[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 43215 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376220 run 170287 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 8970 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8971 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 8971 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 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90943 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 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 14148 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 14156 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 22359 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 53516 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 13864 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 11323 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 9268 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 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 10050 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 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465944 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486047 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 825732 exit 39320 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 2114242 exit 29 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 228 run 139337 exit 18717 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 31030 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5969 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 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23471 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 24372 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24482 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 2023-06-05 03:05:24 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-06-05 03:05:24 UTC ELOG: Event(92) added with size 9 at 2023-06-05 03:05:24 UTC ELOG: Event(9A) added with size 9 at 2023-06-05 03:05:24 UTC ELOG: Event(AD) added with size 10 at 2023-06-05 03:05:24 UTC ELOG: Event(9F) added with size 14 at 2023-06-05 03:05:24 UTC BS: BS_DEV_INIT times (us): entry 0 run 417927 exit 60062 ELOG: Event(A1) added with size 10 at 2023-06-05 03:05:24 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-05 03:05:24 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 25552 run 3969 exit 5201 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 17c2 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. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 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 537629 exit 146371 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 599 run 260016 exit 135358 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 10586026/tftp-deploy-raikcau3/kernel/bzImage 10586026/tftp-deploy-raikcau3/kernel/cmdline 10586026/tftp-deploy-raikcau3/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10586026/tftp-deploy-raikcau3/kernel/bzIploy-raikcau3/kernel/cmdline 10586026/tftp-deploy-raikcau3/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:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.12 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10586026/tftp-deploy-raikcau3/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 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 #################################### done. The bootfile was 16543936 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 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ########################################################## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10586026/tftp-deploy-raikcau3/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/10586026/extract-nfsrootfs-yzt_ttvw,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: 21092209 Starting kernel ... <5>[ 0.000000] Linux version 5.10.180-cip34 (KernelCI@build-j1607188-x86-64-gcc-10-x86-64-defconfig-x86-chromeborflw5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 5 02:47:39 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/10586026/extract-nfsrootfs-yzt_ttvw,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>[ 0.000046] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001163] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005957] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.020325] check: Scanning 1 areas for low memory corruption <6>[ 0.020336] Using GB pages for direct mapping <6>[ 0.020924] RAMDISK: [mem 0x3760d000-0x37ffffff] <6>[ 0.020930] ACPI: Early table checksum verification disabled <6>[ 0.020937] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.020948] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020962] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.020975] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.020986] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.020994] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.021003] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.021014] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021023] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021033] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021043] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.021052] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021062] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021072] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021081] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.021086] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.021089] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.021093] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.021097] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.021101] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.021104] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.021108] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.021112] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.021116] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.021120] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.021123] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.021253] No NUMA configuration found <6>[ 0.021257] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.021265] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.021302] Zone ranges: <6>[ 0.021306] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.021312] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.021318] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021324] Movable zone start for each node <6>[ 0.021327] Early memory node ranges <6>[ 0.021332] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.021336] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.021340] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021345] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.021373] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.021411] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.031313] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.031372] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.031394] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.031740] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.031791] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.031802] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.031807] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.031818] Using ACPI (MADT) for SMP configuration information <6>[ 0.031823] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.031829] TSC deadline timer available <6>[ 0.031833] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.031857] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.031861] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.031866] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.031870] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.031873] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.031876] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.031880] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.031883] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.031886] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.031890] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.031893] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.031896] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.031899] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.031903] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.031906] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.031913] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.031919] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.045107] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.045327] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.045390] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.045394] Policy zone: Normal <5>[ 0.045405] 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/10586026/extract-nfsrootfs-yzt_ttvw,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.045835] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.046042] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.046114] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.064652] Memory: 3878404K/4089052K available (22546K kernel code, 3698K rwdata, 9420K rodata, 2152K init, 14024K bss, 210388K reserved, 0K cma-reserved) <6>[ 0.064784] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.064837] Kernel/User page tables isolation: enabled <6>[ 0.064914] ftrace: allocating 61412 entries in 240 pages <6>[ 0.118569] ftrace: allocated 240 pages with 4 groups <6>[ 0.118809] Running RCU self tests <6>[ 0.118821] rcu: Hierarchical RCU implementation. <6>[ 0.118825] rcu: RCU event tracing is enabled. <6>[ 0.118828] rcu: RCU lockdep checking is enabled. <6>[ 0.118832] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.118836] Rude variant of Tasks RCU enabled. <6>[ 0.118839] Tracing variant of Tasks RCU enabled. <6>[ 0.118843] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.118847] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.126904] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.127339] random: crng init done <6>[ 0.127429] Console: colour dummy device 80x25 <6>[ 0.205888] printk: console [ttyS0] enabled <4>[ 0.206279] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.206962] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.207344] ... MAX_LOCK_DEPTH: 48 <4>[ 0.207726] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.208129] ... CLASSHASH_SIZE: 4096 <4>[ 0.208527] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.208937] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.209341] ... CHAINHASH_SIZE: 32768 <4>[ 0.209746] memory used by lock dependency info: 6365 kB <4>[ 0.210235] memory used for stack traces: 4224 kB <4>[ 0.210674] per task-struct memory footprint: 1920 bytes <6>[ 0.211207] ACPI: Core revision 20200925 <6>[ 0.211745] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.212265] APIC: Switch to symmetric I/O mode setup <6>[ 0.216766] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.217702] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.218629] pid_max: default: 32768 minimum: 301 <6>[ 0.218688] LSM: Security Framework initializing <6>[ 0.218688] SELinux: Initializing. <6>[ 0.218688] LSM support for eBPF active <6>[ 0.218688] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.218688] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.218688] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.218688] process: using mwait in idle threads <6>[ 0.218688] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.218688] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.218688] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.218688] Spectre V2 : Mitigation: IBRS <6>[ 0.218688] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.218688] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.218688] RETBleed: Mitigation: IBRS <6>[ 0.218688] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.218688] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.218688] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.218688] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.218688] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.218688] SRBDS: Vulnerable: No microcode <4>[ 0.218688] ------------[ cut here ]------------ <4>[ 0.218688] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.218688] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.218688] Modules linked in: <4>[ 0.218688] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.180-cip34 #1 <4>[ 0.218688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.218688] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.218688] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 e8 2f a3 c6 05 d6 fd 46 02 01 e8 66 f7 13 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.218688] RSP: 0000:ffffffffa3603de0 EFLAGS: 00010282 <4>[ 0.218688] RAX: 0000000000000000 RBX: ffffffffa421c84c RCX: 0000000000000000 <4>[ 0.218688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa1577c91 <4>[ 0.218688] RBP: ffffffffa2f7e900 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.218688] R10: ffffffffa368ff00 R11: 3fffffffffffffff R12: ffffffffa42353c8 <4>[ 0.218688] R13: cccccccccccccccc R14: ffffffffa2f7e905 R15: 0000000000000004 <4>[ 0.218688] FS: 0000000000000000(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 0.218688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.218688] CR2: ffff8fb17efff000 CR3: 0000000030c26001 CR4: 00000000003706f0 <4>[ 0.218688] Call Trace: <4>[ 0.218688] alternative_instructions+0x7d/0x143 <4>[ 0.218688] check_bugs+0xe9f/0xefb <4>[ 0.218688] start_kernel+0x517/0x54d <4>[ 0.218688] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.218688] irq event stamp: 198905 <4>[ 0.218688] hardirqs last enabled at (198913): [] console_unlock+0x4d1/0x5f0 <4>[ 0.218688] hardirqs last disabled at (198920): [] console_unlock+0x444/0x5f0 <4>[ 0.218688] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.218688] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.218688] ---[ end trace 235b9893d5bfe4e9 ]--- <6>[ 0.218688] Freeing SMP alternatives memory: 48K <6>[ 0.218688] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.219380] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.220701] ... version: 4 <6>[ 0.221078] ... bit width: 48 <6>[ 0.221693] ... generic registers: 4 <6>[ 0.222069] ... value mask: 0000ffffffffffff <6>[ 0.222692] ... max period: 00007fffffffffff <6>[ 0.223176] ... fixed-purpose events: 3 <6>[ 0.223693] ... event mask: 000000070000000f <6>[ 0.224923] rcu: Hierarchical SRCU implementation. <6>[ 0.227924] smp: Bringing up secondary CPUs ... <6>[ 0.229301] x86: Booting SMP configuration: <6>[ 0.229712] .... node #0, CPUs: #1 <4>[ 0.231014] 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>[ 0.232696] 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>[ 0.234239] #2 #3 <6>[ 0.237096] smp: Brought up 1 node, 4 CPUs <6>[ 0.238078] smpboot: Max logical packages: 1 <6>[ 0.238694] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.240996] devtmpfs: initialized <6>[ 0.241960] x86/mm: Memory block size: 128MB <6>[ 0.246777] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.247707] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.249018] pinctrl core: initialized pinctrl subsystem <6>[ 0.250863] PM: RTC time: 03:05:40, date: 2023-06-05 <6>[ 0.252109] NET: Registered protocol family 16 <6>[ 0.253300] audit: initializing netlink subsys (disabled) <5>[ 0.253732] audit: type=2000 audit(1685934340.036:1): state=initialized audit_enabled=0 res=1 <6>[ 0.254295] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.254699] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.255309] cpuidle: using governor menu <6>[ 0.256119] ACPI: bus type PCI registered <6>[ 0.257001] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.257698] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.258332] PCI: Using configuration type 1 for base access <6>[ 0.299795] Kprobes globally optimized <6>[ 0.300748] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.301706] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.302894] cryptomgr_test (39) used greatest stack depth: 15272 bytes left <6>[ 0.302894] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.307048] ACPI: Added _OSI(Module Device) <6>[ 0.307699] ACPI: Added _OSI(Processor Device) <6>[ 0.308113] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.308694] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.309187] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.309695] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.310181] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.325751] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.335307] ACPI: EC: EC started <6>[ 0.335692] ACPI: EC: interrupt blocked <6>[ 0.336971] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.337696] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.338353] ACPI: Interpreter enabled <6>[ 0.339752] ACPI: (supports S0 S3 S4 S5) <6>[ 0.340123] ACPI: Using IOAPIC for interrupt routing <6>[ 0.340756] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.361101] ACPI: Power Resource [PRIC] (on) <6>[ 0.492800] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.493367] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.494932] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.495753] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.498194] PCI host bridge to bus 0000:00 <6>[ 0.498697] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.499306] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.500695] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.501360] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.502695] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.503360] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.504695] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.505360] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.506697] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.507364] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.508695] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.509360] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.509694] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.510360] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.511695] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.512360] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.513695] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.514360] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.515695] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.516361] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.517695] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.518275] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.520860] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.521714] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.522332] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.523702] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.525042] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.525714] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.527259] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.527716] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.529176] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.530730] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.531764] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.533216] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.533734] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.535221] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.536736] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.538333] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.539738] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.541364] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.541735] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.542363] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.544351] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.545737] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.547356] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.548867] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.550323] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.550738] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.552332] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.553738] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.555330] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.556732] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.558697] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.559272] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.560345] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.562344] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.563724] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.565216] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.565733] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.566386] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.567788] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.569234] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.570762] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.571745] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.573161] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.573723] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.575933] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.576890] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.579952] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.583141] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.583707] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.586033] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.586927] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.588920] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.589932] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.590918] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.591917] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.593920] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.594922] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.602814] ACPI: EC: interrupt unblocked <6>[ 0.603201] ACPI: EC: event unblocked <6>[ 0.603693] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.604161] ACPI: EC: GPE=0x6e <6>[ 0.605697] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.606328] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.607736] iommu: Default domain type: Translated <6>[ 0.608885] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.609305] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.610720] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.611241] vgaarb: loaded <5>[ 0.612176] SCSI subsystem initialized <6>[ 0.613877] ACPI: bus type USB registered <6>[ 0.613877] usbcore: registered new interface driver usbfs <6>[ 0.614296] usbcore: registered new interface driver hub <6>[ 0.615724] usbcore: registered new device driver usb <6>[ 0.616279] mc: Linux media interface: v0.10 <6>[ 0.616718] videodev: Linux video capture interface: v2.00 <6>[ 0.617244] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.618693] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.619705] PTP clock support registered <6>[ 0.620880] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.622791] NetLabel: Initializing <6>[ 0.623119] NetLabel: domain hash size = 128 <6>[ 0.623693] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.624271] NetLabel: unlabeled traffic allowed by default <6>[ 0.625809] PCI: Using ACPI for IRQ routing <6>[ 0.637690] clocksource: Switched to clocksource tsc-early <5>[ 0.954232] VFS: Disk quotas dquot_6.6.0 <6>[ 0.954657] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.955634] pnp: PnP ACPI init <6>[ 0.956581] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 0.957180] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 0.957786] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 0.958381] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 0.958983] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 0.959588] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 0.960212] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 0.960843] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 0.961446] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 0.962041] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 0.963366] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 0.964215] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 0.964958] system 00:04: [io 0x0200] has been reserved <6>[ 0.965457] system 00:04: [io 0x0204] has been reserved <6>[ 0.965945] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 0.966490] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 0.969020] pnp: PnP ACPI: found 6 devices <6>[ 0.981445] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.982327] NET: Registered protocol family 2 <6>[ 0.982895] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.984933] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.985898] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.986782] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.989094] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.989972] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.990891] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.991739] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.992713] NET: Registered protocol family 1 <6>[ 0.993691] RPC: Registered named UNIX socket transport module. <6>[ 0.994248] RPC: Registered udp transport module. <6>[ 0.994700] RPC: Registered tcp transport module. <6>[ 0.995135] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.996211] NET: Registered protocol family 44 <6>[ 0.996656] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.997127] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.997761] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 0.998317] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 0.998881] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 0.999562] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.000177] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.000800] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.001423] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.002044] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.002672] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.003294] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.003922] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.004551] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.005173] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.005832] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.006463] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.007084] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.007712] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.008334] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.008976] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.009605] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.010227] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.011156] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.013512] PCI: CLS 64 bytes, default 64 <6>[ 1.014194] Unpacking initramfs... <6>[ 1.345960] Freeing initrd memory: 10188K <6>[ 1.346418] DMAR: Host address width 39 <6>[ 1.346808] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.347349] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.348140] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.348714] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.349214] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.350006] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.350596] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.351496] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.352199] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.352748] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.353261] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.353759] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.354273] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.356158] kvm: already loaded the other module <6>[ 1.362408] check: Scanning for low memory corruption every 60 seconds <5>[ 1.365501] Initialise system trusted keyrings <6>[ 1.366123] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.381993] NFS: Registering the id_resolver key type <5>[ 1.382516] Key type id_resolver registered <5>[ 1.382929] Key type id_legacy registered <5>[ 1.399432] Key type asymmetric registered <5>[ 1.399840] Asymmetric key parser 'x509' registered <6>[ 1.400329] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.401037] io scheduler mq-deadline registered <6>[ 1.401466] io scheduler kyber registered <4>[ 1.402019] test_firmware: interface ready <6>[ 1.403669] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.405234] ACPI: AC Adapter [AC] (on-line) <6>[ 1.405945] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.407585] ACPI: Lid Switch [LID0] <6>[ 1.408120] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.408983] ACPI: Power Button [PWRF] <6>[ 1.409616] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.410685] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.411595] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.412492] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.413811] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.416889] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.417256] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.417616] Non-volatile memory driver v1.3 <6>[ 1.418469] Linux agpgart interface v0.103 <6>[ 1.419278] [drm] amdgpu kernel modesetting enabled. <6>[ 1.421820] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.474883] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.476651] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.514587] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.518318] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.534348] loop: module loaded <6>[ 1.535351] lkdtm: No crash points registered, enable through debugfs <6>[ 1.555960] printk: console [ttyS0] disabled <6>[ 1.556667] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.361586] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.365366] printk: console [ttyS0] enabled <6>[ 2.374139] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.394133] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.148914] clocksource: Switched to clocksource tsc <6>[ 5.149093] fbcon: i915drmfb (fb0) is primary device <4>[ 5.151332] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.159188] e100: Intel(R) PRO/100 Network Driver <6>[ 5.159192] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.159253] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.159255] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.159323] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.159325] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.159430] sky2: driver version 1.30 <6>[ 5.159696] usbcore: registered new interface driver r8152 <6>[ 5.160124] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.160146] ehci-pci: EHCI PCI platform driver <6>[ 5.160204] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.160219] ohci-pci: OHCI PCI platform driver <6>[ 5.160279] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.161327] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.161576] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.162686] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.164174] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.164230] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.166362] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.166828] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.166838] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.167382] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.167425] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.167430] usb usb1: Product: xHCI Host Controller <6>[ 5.167435] usb usb1: Manufacturer: Linux 5.10.180-cip34 xhci-hcd <6>[ 5.167452] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.169351] hub 1-0:1.0: USB hub found <6>[ 5.169555] hub 1-0:1.0: 12 ports detected <6>[ 5.173598] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.173602] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.173605] usb usb2: Product: xHCI Host Controller <6>[ 5.173608] usb usb2: Manufacturer: Linux 5.10.180-cip34 xhci-hcd <6>[ 5.173611] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.174300] hub 2-0:1.0: USB hub found <6>[ 5.174350] hub 2-0:1.0: 6 ports detected <6>[ 5.176726] usbcore: registered new interface driver usblp <6>[ 5.176835] usbcore: registered new interface driver usb-storage <6>[ 5.177612] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.177816] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.177819] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.178730] i8042: Warning: Keylock active <6>[ 5.179074] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.182054] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.184214] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.184836] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.186988] Console: switching to colour frame buffer device 240x67 <6>[ 5.187645] rtc_cmos 00:02: registered as rtc0 <6>[ 5.187909] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.189007] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.189064] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.190204] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.192345] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.192467] intel_pstate: Intel P-state driver initializing <6>[ 5.194518] intel_pstate: HWP enabled <6>[ 5.194560] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.194561] sdhci: Copyright(c) Pierre Ossman <6>[ 5.194599] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.195843] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.196041] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.197926] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.198547] usbcore: registered new interface driver usbhid <6>[ 5.204046] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.210010] usbhid: USB HID core driver <6>[ 5.655896] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.674182] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.681982] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.693004] netem: version 1.3 <6>[ 5.696925] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.703646] IPv4 over IPsec tunneling driver <6>[ 5.708957] Initializing XFRM netlink socket <6>[ 5.714574] NET: Registered protocol family 10 <6>[ 5.720994] Segment Routing with IPv6 <6>[ 5.726656] NET: Registered protocol family 17 <6>[ 5.732286] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.737296] Key type dns_resolver registered <6>[ 5.743047] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.746335] 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>[ 5.762596] microcode: Microcode Update Driver: v2.2. <6>[ 5.762604] IPI shorthand broadcast: enabled <6>[ 5.762646] sched_clock: Marking stable (5672002411, 90385146)->(5727076642, 35310915) <6>[ 5.783066] registered taskstats version 1 <6>[ 5.784445] usb 1-3: new full-speed USB device number 2 using xhci_hcd <5>[ 5.787962] Loading compiled-in X.509 certificates <6>[ 5.802929] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.812830] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.822517] PM: Magic number: 11:203:57 <6>[ 5.827506] printk: console [netcon0] enabled <6>[ 5.832667] netconsole: network logging started <6>[ 5.868790] mmc0: new HS400 MMC card at address 0001 <6>[ 5.875334] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.880794] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.887936] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.889021] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.895114] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <3>[ 5.920247] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.921882] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.935889] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.945349] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.957077] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.969433] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.048719] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.070515] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.079993] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.088304] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.093880] usb 2-3: Manufacturer: Realtek <6>[ 6.098761] usb 2-3: SerialNumber: 001000001 <6>[ 6.106868] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.183628] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.354139] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.363616] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.371905] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.377570] usb 1-9: Manufacturer: Azurewave <6>[ 6.382665] usb 1-9: SerialNumber: 0x0001 <6>[ 6.394001] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.440720] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.495272] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.533978] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.539068] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.160572] r8152 2-3:1.0 eth0: carrier on <6>[ 8.163492] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.175904] Sending DHCP requests .., OK <6>[ 11.171541] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 <6>[ 11.180823] IP-Config: Complete: <6>[ 11.184744] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.196725] host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 11.206276] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.206280] nameserver0=192.168.201.1 <5>[ 11.219676] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 11.231604] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 11.234570] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 11.239226] modprobe (102) used greatest stack depth: 14120 bytes left <4>[ 11.247084] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 11.247487] ALSA device list: <6>[ 11.247498] No soundcards found. <6>[ 11.272188] cfg80211: failed to load regulatory.db <4>[ 11.278075] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 11.287908] Freeing unused kernel image (initmem) memory: 2152K <6>[ 11.305650] Write protecting the kernel read-only data: 34816k <6>[ 11.313394] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 11.321424] Freeing unused kernel image (rodata/data gap) memory: 820K <6>[ 11.329086] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 11.349227] systemd-udevd (123) used greatest stack depth: 13816 bytes left <6>[ 11.395382] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 11.517385] chromeos ramoops using acpi device. <6>[ 11.517673] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.532989] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.543550] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.552841] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.565091] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.574145] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.590988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.609977] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.610483] Registered efivars operations <6>[ 11.623327] gsmi version 1.0 loaded <6>[ 11.747630] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 11.765660] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.778607] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.790718] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.802851] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.815167] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.826087] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.837082] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.846072] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.847133] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.858864] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.866613] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.884993] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 11.886153] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.897824] usbcore: registered new interface driver uvcvideo <6>[ 11.907523] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.912454] USB Video Class driver (1.1.1) <6>[ 11.929453] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.939258] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.949194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.959231] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.969127] udevadm (137) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.078827] nfsmount (169) 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>[ 13.353482] systemd[1]: systemd 247.3-7+deb11u2 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>[ 13.391685] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.424147] systemd[1]: Set hostname to . <30>[ 14.344268] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 14.356104] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 14.372067] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 14.388003] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 14.404970] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 14.421917] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 14.443811] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 14.465549] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 14.488685] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 14.504687] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 14.515648] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 14.531639] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 14.545737] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 14.556970] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 14.574758] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 14.591945] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 14.609019] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 14.625263] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 14.645818] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 14.662032] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 14.679322] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.696024] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.713969] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.731115] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.748622] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.768928] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.784135] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.797875] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.838261] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 14.849011] fuse: init (API version 7.32) <30>[ 14.855153] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 14.873118] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.886754] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.904782] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.924189] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.939865] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.956766] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.972726] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.992101] 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>[ 15.013521] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 15.021303] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 15.038557] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 15.045486] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 15.062332] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 15.069271] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 15.087368] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 15.103301] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 15.125708] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 15.144448] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 15.174504] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 15.184590] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 15.196806] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 15.211211] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 15.227516] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 15.240866] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 15.258682] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File S<6>[ 15.267406] systemd-sysctl (212) used greatest stack depth: 12528 bytes left ystem. <30>[ 15.284309] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 15.299813] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. <46>[ 15.360352] systemd-journald[205]: Received client request to flush runtime journal. Starting Create Static Device Nodes in /dev... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_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 ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.180-cip34 #1 SMP Mon Jun 5 02:47:39 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/10586026/extract-nfsrootfs-yzt_ttvw' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10586026/extract-nfsrootfs-yzt_ttvw' / # 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-10586026/environment . /lava-10586026/environment / # /lava-10586026/bin/lava-test-runner /lava-10586026/0 /lava-10586026/bin/lava-test-runner /lava-10586026/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10586026/0/tests/0_timesync-off ++ cat uuid + UUID=10586026_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-10586026/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10586026_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/v5.10.180-cip34-19-gae79bc689058c/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-05 03:06:02-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-19-gae79bc689058c/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: 3596384 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 160KB/s kselftest.tar.xz 6%[> ] 218.91K 377KB/s kselftest.tar.xz 23%[===> ] 822.71K 895KB/s kselftest.tar.xz 55%[==========> ] 1.92M 1.57MB/s kselftest.tar.xz 83%[===============> ] 2.87M 1.98MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.11MB/s in 1.6s 2023-06-05 03:06:04 (2.11 MB/s) - 'kselftest.tar.xz' saved [3596384/3596384] skiplist: ======================================== ======================================== 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>[ 34.501576] 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>[ 35.088335] lkdtm: Performing direct entry BUG <4>[ 35.093680] ------------[ cut here ]------------ <2>[ 35.099148] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 35.105302] invalid opcode: 0000 [#1] SMP PTI <4>[ 35.110466] CPU: 3 PID: 634 Comm: cat Tainted: G W 5.10.180-cip34 #1 <4>[ 35.119307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.126426] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.131096] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 35.152370] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 35.158496] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.166749] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 35.174999] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.183260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.191522] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 35.199784] FS: 00007f1a7d754580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 35.209113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.215813] CR2: 00007f1a7d55e000 CR3: 0000000104916003 CR4: 00000000003706e0 <4>[ 35.224073] Call Trace: <4>[ 35.227093] direct_entry.cold+0x2c/0x38 <4>[ 35.231765] full_proxy_write+0x53/0x80 <4>[ 35.236336] vfs_write+0xe7/0x3b0 <4>[ 35.240323] ksys_write+0x68/0xf0 <4>[ 35.244314] do_syscall_64+0x30/0x40 <4>[ 35.248601] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 35.254533] RIP: 0033:0x7f1a7d66a473 <4>[ 35.258813] Code: 8b 15 21 2a 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>[ 35.280085] RSP: 002b:00007ffeaf492698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.288823] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a7d66a473 <4>[ 35.297074] RDX: 0000000000000004 RSI: 00007f1a7d55e000 RDI: 0000000000000001 <4>[ 35.305336] RBP: 00007f1a7d55e000 R08: 00007f1a7d55d010 R09: 0000000000000000 <4>[ 35.313596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.321857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 35.330120] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 35.384802] gsmi: Log Shutdown Reason 0x03 <4>[ 35.389679] ---[ end trace 235b9893d5bfe4eb ]--- <4>[ 35.395161] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.399838] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 35.421122] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 35.427257] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.435528] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 35.443820] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.452113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.460377] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 35.468692] FS: 00007f1a7d754580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 35.478036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.484772] CR2: 00007f1a7d55e000 CR3: 0000000104916003 CR4: 00000000003706e0 # Segmentation fault # [ 35.088335] lkdtm: Performing direct entry BUG # [ 35.093680] ------------[ cut here ]------------ # [ 35.099148] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 35.105302] invalid opcode: 0000 [#1] SMP PTI # [ 35.110466] CPU: 3 PID: 634 Comm: cat Tainted: G W 5.10.180-cip34 #1 # [ 35.119307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.126426] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.131096] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 35.152370] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 35.158496] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.166749] RDX: 00000000<6>[ 35.585710] lkdtm: Performing direct entry WARNING <4>[ 35.594666] ------------[ cut here ]------------ <4>[ 35.600129] WARNING: CPU: 2 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 35.1<4>[ 35.609857] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.668849] CPU: 2 PID: 671 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 35.677723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 74999] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 00000000<4>[ 35.684825] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 35.696196] 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 00 7b ea 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 e1 7a <4>[ 35.717498] RSP: 0018:ffff9f26013bfe60 EFLAGS: 00010202 <4>[ 35.723627] RAX: ffffffffa1f790c0 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 35.731892] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffffffffa2f7e480 <4>[ 35.740160] RBP: ffffffffa3401187 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.748477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 35.756765] R13: ffff9f26013bff10 R14: ffff9f26013bff10 R15: ffff8fb103d29000 <4>[ 35.765030] FS: 00007effa253a580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 35.774362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.781071] CR2: 00007effa2344000 CR3: 00000001042d6003 CR4: 00000000003706e0 <4>[ 35.789335] Call Trace: <4>[ 35.792358] direct_entry.cold+0x2c/0x38 <4>[ 35.797056] full_proxy_write+0x53/0x80 <4>[ 35.801662] vfs_write+0xe7/0x3b0 <4>[ 35.805654] ksys_write+0x68/0xf0 <4>[ 35.809646] do_syscall_64+0x30/0x40 <4>[ 35.813930] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 35.819862] RIP: 0033:0x7effa2450473 <4>[ 35.824146] Code: 8b 15 21 2a 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 00000001 # [ 35.183260] R10: 00000000ffffe000 R11: 3fffffffff<4>[ 35.845425] RSP: 002b:00007ffdc59a8558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.860391] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007effa2450473 <4>[ 35.868652] RDX: 0000000000000008 RSI: 00007effa2344000 RDI: 0000000000000001 <4>[ 35.876915] RBP: 00007effa2344000 R08: 00007effa2343010 R09: 0000000000000000 <4>[ 35.885177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.893440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 35.901707] irq event stamp: 0 <4>[ 35.905431] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.912724] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.922152] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.931579] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.938863] ---[ end trace 235b9893d5bfe4ec ]--- ffffff R12: 0000000000000004 # [ 35.191522] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 35.199784] FS: 00007f1a7d754580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 35.209113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.215813] CR2: 00007f1a7d55e000 CR3: 0000000104916003 CR4: 00000000003706e0 # [ 35.224073] Call Trace: # [ 35.227093] direct_entry.cold+0x2c/0x38 # [ 35.231765] full_proxy_write+0x53/0x80 # [ 35.236336] vfs_write+0xe7/0x3b0 # [ 35.240323] ksys_write+0x68/0xf0 # [ 35.244314] do_syscall_64+0x30/0x40 # [ 35.248601] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.254533] RIP: 0033:0x7f1a7d66a473 # [ 35.258813] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.280085] RSP: 002b:00007ffeaf492698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.288823] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a7d66a473 # [ 35.297074] RDX: 0000000000000004 RSI: 00007f1a7d55e000 RDI: 0000000000000001 # [ 35.305336] RBP: 00007f1a7d55e000 R08: 00007f1a7d55d010 R09: 0000000000000000 # [ 35.313596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.321857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.330120] Modules linked in:<6>[ 36.081159] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 36.093717] ------------[ cut here ]------------ <4>[ 36.099172] Warning message trigger count: 2 <4>[ 36.104246] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensor<4>[ 36.114749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 36.173747] CPU: 2 PID: 706 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 36.182618] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.189718] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 36.195652] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 7a ea 02 48 c7 c7 e8 16 40 a3 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 36.216929] RSP: 0018:ffff9f2601417e60 EFLAGS: 00010286 <4>[ 36.223055] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 36.231317] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 36.239582] RBP: ffffffffa340118f R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.247845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 36.256100] R13: ffff9f2601417f10 R14: ffff9f2601417f10 R15: ffff8fb104182000 <4>[ 36.264364] FS: 00007f4847e12580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 36.273694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.280424] CR2: 00007f4847c1c000 CR3: 0000000103234006 CR4: 00000000003706e0 s_core industrialio_triggered_buffer kfifo_buf industrialio snd_<4>[ 36.288691] Call Trace: <4>[ 36.297924] direct_entry.cold+0x2c/0x38 <4>[ 36.302623] full_proxy_write+0x53/0x80 <4>[ 36.307229] vfs_write+0xe7/0x3b0 <4>[ 36.311222] ksys_write+0x68/0xf0 <4>[ 36.315215] do_syscall_64+0x30/0x40 <4>[ 36.319499] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.325435] RIP: 0033:0x7f4847d28473 <4>[ 36.329719] Code: 8b 15 21 2a 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>[ 36.350995] RSP: 002b:00007ffcbe46be48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub<4>[ 36.359746] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f4847d28473 cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videob<4>[ 36.374225] RDX: 0000000000000010 RSI: 00007f4847c1c000 RDI: 0000000000000001 <4>[ 36.388703] RBP: 00007f4847c1c000 R08: 00007f4847c1b010 R09: 0000000000000000 <4>[ 36.396968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.405231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 36.413499] irq event stamp: 0 <4>[ 36.417227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.424543] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 uf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videob<4>[ 36.433986] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 36.449618] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.456910] ---[ end trace 235b9893d5bfe4ed ]--- uf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.384802] gsmi: Log Shutdown Reason 0x03 # [ 35.389679] ---[ end trace 235b9893d5bfe4eb ]--- # [ 35.395161] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.399838] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 35.421122] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 35.427257] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.435528] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 35.443820] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 35.452113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.460377] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff<6>[ 36.556517] lkdtm: Performing direct entry EXCEPTION <1>[ 36.567704] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 36.575784] #PF: supervisor write access in kernel mode <1>[ 36.581911] #PF: error_code(0x0002) - not-present page <6>[ 36.587928] PGD 0 P4D 0 <4>[ 36.591044] Oops: 0002 [#2] SMP PTI <4>[ 36.595225] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 36.604068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.611157] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 36.616421] Code: 48 c7 c7 e8 16 40 a3 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 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>[ 36.637698] RSP: 0018:ffff9f26014e7e60 EFLAGS: 00010282 <4>[ 36.643815] RAX: ffffffffa1f79110 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 36.652076] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffffffffa2f7e4a0 <4>[ 36.660337] RBP: ffffffffa32f5967 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.668597] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.676859] R13: ffff9f26014e7f10 R14: ffff9f26014e7f10 R15: ffff8fb103f50000 <4>[ 36.685119] FS: 00007fc994a7a580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 36.694451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.701159] CR2: 0000000000000000 CR3: 000000010461a001 CR4: 00000000003706e0 <4>[ 36.709420] Call Trace: <4>[ 36.712439] direct_entry.cold+0x2c/0x38 <4>[ 36.717111] full_proxy_write+0x53/0x80 <4>[ 36.721686] vfs_write+0xe7/0x3b0 <4>[ 36.725675] ksys_write+0x68/0xf0 <4>[ 36.729657] do_syscall_64+0x30/0x40 <4>[ 36.733939] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.739871] RIP: 0033:0x7fc994990473 <4>[ 36.744142] Code: 8b 15 21 2a 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>[ 36.765423] RSP: 002b:00007ffea0776fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.774172] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc994990473 <4>[ 36.782434] RDX: 000000000000000a RSI: 00007fc994884000 RDI: 0000000000000001 <4>[ 36.790695] RBP: 00007fc994884000 R08: 00007fc994883010 R09: 0000000000000000 <4>[ 36.798957] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.807218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8fb1030b8000 # [ 35.468692] FS: 00007f1a7d754580(0000) GS:ff<4>[ 36.815476] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 36.874475] CR2: 0000000000000000 <4>[ 36.878484] ---[ end trace 235b9893d5bfe4ee ]--- <4>[ 36.883930] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.888589] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 36.909865] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 36.915990] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.924250] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 36.932512] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.940775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.949037] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 36.957299] FS: 00007fc994a7a580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 36.966629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.973337] CR2: 0000000000000000 CR3: 000000010461a001 CR4: 00000000003706e0 <3>[ 36.981600] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.991804] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat <4>[ 37.000468] INFO: lockdep is turned off. <4>[ 37.005136] irq event stamp: 0 <4>[ 37.008832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.016125] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 37.025553] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 37.034972] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.042264] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 37.051107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.058202] Call Trace: <4>[ 37.061222] dump_stack+0x77/0x9b <4>[ 37.065212] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.070075] exit_signals+0x1c/0x300 <4>[ 37.074355] do_exit+0xc2/0xab0 <4>[ 37.078152] ? ksys_write+0x68/0xf0 <4>[ 37.082334] make_task_dead+0x2f/0x30 <4>[ 37.086704] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.092248] RIP: 0033:0x7fc994990473 <4>[ 37.096518] Code: 8b 15 21 2a 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>[ 37.117795] RSP: 002b:00007ffea0776fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.126535] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc994990473 <4>[ 37.134797] RDX: 000000000000000a RSI: 00007fc994884000 RDI: 0000000000000001 <4>[ 37.143058] RBP: 00007fc994884000 R08: 00007fc994883010 R09: 0000000000000000 <4>[ 37.151320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.159582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff8fb17ad80000(0000) knlGS:0000000000000000 # [ 35.478036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.484772] CR2: 00007f1a7d55e000 CR3: 0000000104916003 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 35.585710] lkdtm: Performing direct entry WARNING # [ 35.594666] ------------[ cut here ]------------ # [ 35.600129] WARNING: CPU: 2 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 35.609857] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.668849] CPU: 2 PID: 671 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 35.677723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.684825] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 35.696196] 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 00 7b ea 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 e1 7a # [ 35.717498] RSP: 0018:ffff9f26013bfe60 EFLAGS: 00010202 # [ 35.723627] RAX: ffffffffa1f790c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 35.731892] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffffffffa2f7e480 # [ 35.740160] RBP: ffffffffa3401187 R08: 0000000000000000 R09: 0000000000000000 # [ 35.748477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 35.756765] R13: ffff9f26013bff10 R14: ffff9f26013bff10 R15: ffff8fb103d29000 # [ 35.765030] FS: 00007effa253a580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 35.774362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.781071] CR2: 00007effa2344000 CR3: 00000001042d6003 CR4: 00000000003706e0 # [ 35.789335] Call Trace: # [ 35.792358] direct_entry.cold+0x2c/0x38 # [ 35.797056] full_proxy_write+0x53/0x80 # [ 35.801662] vfs_write+0xe7/0x3b0 # [ 35.805654] ksys_write+0x68/0xf0 # [ 35.809646] do_syscall_64+0x30/0x40 # [ 35.813930] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.819862] RIP: 0033:0x7effa2450473 # [ 35.824146] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<6>[ 37.422551] lkdtm: Performing direct entry CORRUPT_LIST_ADD f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01<6>[ 37.429227] lkdtm: attempting good list addition 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e<6>[ 37.440892] lkdtm: attempting corrupted list addition c 28 48 89 54 24 18 # [ 35.845425] RSP: 002b:00007ffdc59a8558<3>[ 37.453041] lkdtm: list_add() corruption not detected! EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.860391] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007effa2450473 # [ 35.868652] RDX: 0000000000000008 RSI: 00007effa2344000 RDI: 0000000000000001 # [ 35.876915] RBP: 00007effa2344000 R08: 00007effa2343010 R09: 0000000000000000 # [ 35.885177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.893440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.901707] irq event stamp: 0 # [ 35.905431] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.912724] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 35.922152] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.931579] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.938863] ---[ end trace 235b9893d5bfe4ec ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 36.081159] lkdtm: Performing direct entry WARNING_MESSAGE # [ 36.093717] ------------[ cut here ]------------ # [ 36.099172] Warning message trigger count: 2 # [ 36.104246] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 36.114749] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_trigger<6>[ 37.596849] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 37.608571] lkdtm: attempting good list removal <6>[ 37.613930] lkdtm: attempting corrupted list removal <3>[ 37.619775] lkdtm: list_del() corruption not detected! ed_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 36.173747] CPU: 2 PID: 706 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 36.182618] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.189718] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 36.195652] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 7a ea 02 48 c7 c7 e8 16 40 a3 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 36.216929] RSP: 0018:ffff9f2601417e60 EFLAGS: 00010286 # [ 36.223055] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 36.231317] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 36.239582] RBP: ffffffffa340118f R08: 0000000000000000 R09: 0000000000000000 # [ 36.247845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 36.256100] R13: ffff<6>[ 37.746179] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 9f2601417f10 R14: ffff9f2601417f10 R15: ffff8fb104182000 # [ <6>[ 37.757454] lkdtm: attempting bad read from page below current stack <0>[ 37.771068] BUG: stack guard page was hit at 000000002a14e68e (stack is 00000000ad8010fb..0000000003d82298) <4>[ 37.782252] kernel stack overflow (page fault): 0000 [#3] SMP PTI 36.264364] FS: 00007f4847e12580(0000) GS:ffff8fb17ad00000(0000)<4>[ 37.789351] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 37.804421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.811521] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 37.818325] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 1a 40 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 de fb ff 48 c7 c7 c8 1a 40 a3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 7a de fb ff 0f 1f 44 <4>[ 37.839600] RSP: 0018:ffff9f2601827e50 EFLAGS: 00010246 <4>[ 37.845723] RAX: 0000000000000038 RBX: ffff9f2601824000 RCX: 0000000000000000 <4>[ 37.853983] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa3401ac8 <4>[ 37.862245] RBP: ffffffffa34011f2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.870504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 37.878765] R13: ffff9f2601827f10 R14: ffff9f2601827f10 R15: ffff8fb104fe0000 <4>[ 37.887026] FS: 00007fefb4b14580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 37.896355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.903060] CR2: ffff9f2601823fff CR3: 0000000103f00001 CR4: 00000000003706e0 <4>[ 37.911320] Call Trace: <4>[ 37.914337] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 37.919677] direct_entry.cold+0x2c/0x38 <4>[ 37.924347] full_proxy_write+0x53/0x80 <4>[ 37.928920] vfs_write+0xe7/0x3b0 <4>[ 37.932910] ksys_write+0x68/0xf0 <4>[ 37.936901] do_syscall_64+0x30/0x40 <4>[ 37.941181] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 37.947114] RIP: 0033:0x7fefb4a2a473 <4>[ 37.951394] Code: 8b 15 21 2a 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 knlGS:0000000000000000 # [ 36.273694] CS: 0010 DS: 0000 ES:<4>[ 37.972697] RSP: 002b:00007fff383fb848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.987657] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fefb4a2a473 <4>[ 37.995919] RDX: 0000000000000019 RSI: 00007fefb491e000 RDI: 0000000000000001 <4>[ 38.004178] RBP: 00007fefb491e000 R08: 00007fefb491d010 R09: 0000000000000000 <4>[ 38.012437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.020698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 CR0: 0000000080050033 # [ 36.280424] CR2: 00007f4847c1c<4>[ 38.028962] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.087956] ---[ end trace 235b9893d5bfe4ef ]--- <4>[ 38.093424] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.098091] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 38.119365] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 38.125490] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.133751] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 38.142012] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.150272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.158532] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 38.166793] FS: 00007fefb4b14580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 38.176121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.182826] CR2: ffff9f2601823fff CR3: 0000000103f00001 CR4: 00000000003706e0 <3>[ 38.191086] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.201290] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat <4>[ 38.209939] INFO: lockdep is turned off. <4>[ 38.214606] irq event stamp: 0 <4>[ 38.218301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.225591] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.235018] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.244446] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.251735] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 38.260579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.267675] Call Trace: <4>[ 38.270695] dump_stack+0x77/0x9b <4>[ 38.274684] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.279540] exit_signals+0x1c/0x300 <4>[ 38.283820] do_exit+0xc2/0xab0 <4>[ 38.287606] ? ksys_write+0x68/0xf0 <4>[ 38.291781] make_task_dead+0x2f/0x30 <4>[ 38.296149] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.301684] RIP: 0033:0x7fefb4a2a473 <4>[ 38.305955] Code: 8b 15 21 2a 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>[ 38.327228] RSP: 002b:00007fff383fb848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.335974] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fefb4a2a473 <4>[ 38.344236] RDX: 0000000000000019 RSI: 00007fefb491e000 RDI: 0000000000000001 <4>[ 38.352496] RBP: 00007fefb491e000 R08: 00007fefb491d010 R09: 0000000000000000 <4>[ 38.360757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.369018] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 CR3: 0000000103234006 CR4: 00000000003706e0 # [ 36.288691] Call Trace: # [ 36.297924] direct_entry.cold+0x2c/0x38 # [ 36.302623] full_proxy_write+0x53/0x80 # [ 36.307229] vfs_write+0xe7/0x3b0 # [ 36.311222] ksys_write+0x68/0xf0 # [ 36.315215] do_syscall_64+0x30/0x40 # [ 36.319499] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.325435] RIP: 0033:0x7f4847d28473 # [ 36.329719] Code: 8b 15 21 2a 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 # [ 36.350995] RSP: 002b:00007ffcbe46be48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.359746] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f4847d28473 # [ 36.374225] RDX: 0000000000000010 RSI: 00007f4847c1c000 RDI: 0000000000000001 # [ 36.388703] RBP: 00007f4847c1c000 R08: 00007f4847c1b010 R09: 0000000000000000 # [ 36.396968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.405231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.413499] irq event <6>[ 38.485720] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING stamp: 0 # [ 36.417227] hardirqs last enabled at (0): [<0000<6>[ 38.496626] lkdtm: attempting bad read from page above current stack 000000000000>] 0x0 # [ 36.424543] hardirqs last disabled at (<0>[ 38.510252] BUG: stack guard page was hit at 000000004bc41a90 (stack is 000000004d639ffe..000000006ad18142) <4>[ 38.527603] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 38.534700] CPU: 0 PID: 996 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 38.543536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.550635] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 38.557542] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 00 1b 40 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 5a de fb ff 48 c7 c7 40 1b 40 a3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 3d de fb ff <4>[ 38.578819] RSP: 0018:ffff9f26018e7e50 EFLAGS: 00010246 <4>[ 38.584945] RAX: 0000000000000038 RBX: ffff9f26018e4000 RCX: 0000000000000000 <4>[ 38.593206] RDX: 0000000000000000 RSI: ffff8fb17ac1bf70 RDI: ffffffffa3401b40 <4>[ 38.601472] RBP: ffffffffa340120b R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.609733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 38.617994] R13: ffff9f26018e7f10 R14: ffff9f26018e7f10 R15: ffff8fb104622000 <4>[ 38.626256] FS: 00007f22ec92f580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 38.635585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.642293] CR2: ffff9f26018e8000 CR3: 0000000104096006 CR4: 00000000003706f0 <4>[ 38.650555] Call Trace: <4>[ 38.653574] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 38.659700] direct_entry.cold+0x2c/0x38 <4>[ 38.664370] full_proxy_write+0x53/0x80 <4>[ 38.668949] vfs_write+0xe7/0x3b0 <4>[ 38.672945] ksys_write+0x68/0xf0 <4>[ 38.676936] do_syscall_64+0x30/0x40 <4>[ 38.681217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.687149] RIP: 0033:0x7f22ec845473 <4>[ 38.691429] Code: 8b 15 21 2a 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>[ 38.712707] RSP: 002b:00007ffd88e272b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.721467] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f22ec845473 <4>[ 38.729727] RDX: 000000000000001a RSI: 00007f22ec739000 RDI: 0000000000000001 <4>[ 38.737988] RBP: 00007f22ec739000 R08: 00007f22ec738010 R09: 0000000000000000 <4>[ 38.746251] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.754513] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 38.762780] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.815559] ---[ end trace 235b9893d5bfe4f0 ]--- <4>[ 38.821006] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.825673] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 38.846946] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 38.853072] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.861333] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 38.869593] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.877854] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.886115] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 38.894377] FS: 00007f22ec92f580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 38.903706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.910412] CR2: ffff9f26018e8000 CR3: 0000000104096006 CR4: 00000000003706f0 0): [] copy_process+0x664/0x1c60 # [ 36.433986] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 36.449618] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.456910] ---[ end trace 235b9893d5bfe4ed ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 36.556517] lkdtm: Performing direct entry EXCEPTION # [ 36.567704] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 36.575784] #PF: supervisor write access in kernel mode # [ 36.581911] #PF: error_code(0x0002) - not-present page # [ 36.587928] PGD 0 P4D 0 # [ 36.591044] Oops: 0002 [#2] SMP PTI # [ 36.595225] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 36.604068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.611157] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 36.616421] Code: 48 c7 c7 e8 16 40 a3 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 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 # [ 36.637698] RSP: 0018:ffff9f26014e7e60 EFLAGS: 00010282 # [ 36.643815] RAX: ffffffffa1f79110 RBX: 0000000000000004 RCX: 0000000000000000 # [ 36.652076] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffffffffa2f7e4a0 # [ 36.660337] RBP: ffffffffa32f5967 R08: 0000000000000000 R09: 0000000000000000 # [ 36.668597] R10: 00000000ffffe000 R11<6>[ 39.066873] lkdtm: Performing direct entry UNSET_SMEP : 3fffffffffffffff R12: 000000000000000a # [ 36.676859] R13: <6>[ 39.073977] lkdtm: trying to clear SMEP normally ffff9f26014e7f10 R14: ffff9f26014e7f10 R15: ffff8fb103f50000 # <4>[ 39.085660] ------------[ cut here ]------------ [ 36.685119] FS: 00007fc994a7a580(0000) GS:ffff8fb17ad00000(0<4>[ 39.097307] pinned CR4 bits changed: 0x100000!? 000) knlGS:0000000000000000 # [ 36.694451] CS: 0010 DS: 0000<4>[ 39.108873] WARNING: CPU: 1 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 ES: 0000 CR0: 0000000080050033 # [ 36.701159] CR2: 000000000<4>[ 39.125587] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 0000000 CR3: 000000010461a001 CR4: 00000000003706e0 # [ 36.70<4>[ 39.184560] CPU: 1 PID: 1032 Comm: cat Tainted: G D W 5.10.180-cip34 #1 9420] Call Trace: # [ 36.712439] direct_entry.cold+0x2c/0x38<4>[ 39.199721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.717111] full_proxy_write+0x53/0x80 # [ 36.721686]<4>[ 39.213041] RIP: 0010:native_write_cr4+0x45/0x60 vfs_write+0xe7/0x3b0 # [ 36.725675] ksys_write+0x68/0xf0 <4>[ 39.224707] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6e 47 46 02 00 75 f2 48 c7 c7 28 fa 2f a3 c6 05 5e 47 46 02 01 e8 d6 40 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.729657] do_syscall_64+0x30/0x40 # [ 36.733939] ent<4>[ 39.252210] RSP: 0018:ffff9f2601967e48 EFLAGS: 00010286 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.739871] RIP: 003<4>[ 39.264552] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 3:0x7fc994990473 # [ 36.744142] Code: 8b 15 21 2a 0e 00 f7 d8<4>[ 39.279039] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 <4>[ 39.293523] RBP: ffffffffa3401225 R08: 0000000000000000 R09: 0000000000000000 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55<4>[ 39.308012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.765423] RSP<4>[ 39.322490] R13: ffff9f2601967f10 R14: ffff9f2601967f10 R15: ffff8fb103c04000 : 002b:00007ffea0776fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000<4>[ 39.336969] FS: 00007f5a531cd580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 001 # [ 36.774172] RAX: ffffffffffffffda RBX: 000000000000000<4>[ 39.352521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.365450] CR2: 00007f5a52fd7000 CR3: 0000000106aee002 CR4: 00000000003706e0 a RCX: 00007fc994990473 # [ 36.782434] RDX: 000000000000000a <4>[ 39.373716] Call Trace: RSI: 00007fc994884000 RDI: 0000000000000001 # [ 36.790695] RB<4>[ 39.382952] lkdtm_UNSET_SMEP.cold+0x1d/0x103 P: 00007fc994884000 R08: 00007fc994883010 R09: 0000000000000000 <4>[ 39.394327] direct_entry.cold+0x2c/0x38 # [ 36.798957] R10: fffffffffffffbc5 R11: 0000000000000246 R1<4>[ 39.405217] full_proxy_write+0x53/0x80 2: 0000000000000001 # [ 36.807218] R13: 0000000000000001 R14:<4>[ 39.416010] vfs_write+0xe7/0x3b0 0000000000020000 R15: 0000000000020000 # [ 36.815476] Module<4>[ 39.426219] ksys_write+0x68/0xf0 s linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cr<4>[ 39.436432] do_syscall_64+0x30/0x40 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus<4>[ 39.446931] entry_SYSCALL_64_after_hwframe+0x61/0xc6 trialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_<4>[ 39.459084] RIP: 0033:0x7f5a530e3473 ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_l<4>[ 39.469586] Code: 8b 15 21 2a 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 ogger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_m<4>[ 39.497088] RSP: 002b:00007fff253d46a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.512056] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5a530e3473 emops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros<4>[ 39.520323] RDX: 000000000000000b RSI: 00007f5a52fd7000 RDI: 0000000000000001 _ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cr<4>[ 39.534800] RBP: 00007f5a52fd7000 R08: 00007f5a52fd6010 R09: 0000000000000000 os_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_<4>[ 39.549285] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.563763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 table # [ 36.874475] CR2: 0000000000000000 # [ 36.878484] <4>[ 39.572035] irq event stamp: 0 <4>[ 39.581941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ---[ end trace 235b9893d5bfe4ee ]--- # [ 36.883930] RIP: 0010<4>[ 39.589238] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.604878] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 :lkdtm_BUG+0x5/0x10 # [ 36.888589] Code: 89 ff e8 ae ea 79 ff<4>[ 39.614310] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.627815] ---[ end trace 235b9893d5bfe4f1 ]--- 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc <6>[ 39.633265] lkdtm: ok: SMEP did not get cleared <6>[ 39.644829] lkdtm: trying to clear SMEP with call gadget 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00<6>[ 39.651056] lkdtm: ok: SMEP removal was reverted 00 00 00 00 0f 1f 44 00 00 83 05 00 7b ea 02 # [ 36.909865] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 36.915990] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.924250] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 36.932512] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 36.940775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.949037] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 36.957299] FS: 00007fc994a7a580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 36.966629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.973337] CR2: 0000000000000000 CR3: 000000010461a001 CR4: 00000000003706e0 # [ 36.981600] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.991804] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat # [ 37.000468] INFO: lockdep is turned off. # [ 37.<6>[ 39.759612] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 39.768286] lkdtm: XFAIL: this test is ia32-only 005136] irq event stamp: 0 # [ 37.008832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.016125] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 37.025553] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 37.034972] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.042264] CPU: 2 PID: 738 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 37.051107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.058202] Call Trace: # [ 37.061222] dump_stack+0x77/0x9b # [ 37.065212] ___might_sleep.cold+0xa6/0xb6 # [ 37.070075] exit_signals+0x1c/0x300 # [ 37.074355] do_exit+0xc2/0xab0 # [ 37.078152] ? ksys_write+0x68/0xf0 # [ 37.082334] make_task_dead+0x2f/0x30 # [ 37.086704] rewind_stack_and_make_dead+0x17/0x20 # [ 37.092248] RIP: 0033:0x7fc994990473 # [ 37.096518] Code: 8b 15 21 2a 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>[ 39.867908] lkdtm: Performing direct entry CORRUPT_PAC 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<3>[ 39.879296] lkdtm: XFAIL: this test is arm64-only 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.117795] RSP: 002b:00007ffea0776fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.126535] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc994990473 # [ 37.134797] RDX: 000000000000000a RSI: 00007fc994884000 RDI: 0000000000000001 # [ 37.143058] RBP: 00007fc994884000 R08: 00007fc994883010 R09: 0000000000000000 # [ 37.151320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.159582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: 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 # [ 37.422551] lkdtm: Performing direct entry CORRUPT_<6>[ 40.015307] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE LIST_ADD # [ 37.429227] lkdtm: attempting good list addition <3>[ 40.022885] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 37.440892] lkdtm: attempting corrupted list addition # [ 37.453041] 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 # [ 37.596849] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 37.608571] lkdtm: attempting good list removal # [ 37.613930] lkdtm: attempting corrupted list removal # [ 37.619775] 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 # [ 37.746179] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 37.757454] lkdtm: attempting bad read from page below current stack # [ 37.771068] BUG: stack guard page was hit at 000000002a14e68e (stack is 00000000ad8010fb..0000000003d82298) # [ 37.782252] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 37.789351] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 37.804421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.811521] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 37.818325] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 1a 40 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 de fb ff 48 c7 c7 c8 1a 40 a3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 7a de fb ff 0f 1f 44 # [ 37.839600] RSP: 0018:ffff9f2601827e50 EFLAGS: 00010246 # [ 37.845723] RAX: 0000000000000038 RBX: ffff9f2601824000 RCX: 0000000000000000 # [ 37.853983] RDX: 0000<6>[ 40.194512] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 40.204989] lkdtm: Value in memory before free: 12345678 <6>[ 40.211239] lkdtm: Attempting bad read from freed memory <6>[ 40.217482] lkdtm: Memory was not poisoned 000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa3401ac8 # [ 37.862245] RBP: ffffffffa34011f2 R08: 0000000000000000 R09: 0000000000000000 # [ 37.870504] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 37.878765] R13: ffff9f2601827f10 R14: ffff9f2601827f10 R15: ffff8fb104fe0000 # [ 37.887026] FS: 00007fefb4b14580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 37.896355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.903060] CR2: ffff9f2601823fff CR3: 0000000103f00001 CR4: 00000000003706e0 # [ 37.911320] Call Trace: # [ 37.914337] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 37.919677] direct_entry.cold+0x2c/0x38 # [ 37.924347] full_proxy_write+0x53/0x80 # [ 37.928920] vfs_write+0xe7/0x3b0 # [ 37.932910] ksys_write+0x68/0xf0 # [ 37.936901] do_syscall_64+0x30/0x40 # [ 37.941181] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.947114] RIP: 0033:0x7fefb4a2a473 # [ 37.951394] Code: 8b 15 21 2a 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 # [ 37.972697] RSP: 002b:00007fff383fb848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.9876<6>[ 40.344085] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 57] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fefb4a<6>[ 40.353712] lkdtm: Value in memory before free: 12345678 2a473 # [ 37.995919] RDX: 0000000000000019 RSI: 00007fefb491e<6>[ 40.366154] lkdtm: Attempting to read from freed memory <6>[ 40.378494] lkdtm: Buddy page was not poisoned 000 RDI: 0000000000000001 # [ 38.004178] RBP: 00007fefb491e000 R08: 00007fefb491d010 R09: 0000000000000000 # [ 38.012437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.020698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.028962] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.087956] ---[ end trace 235b9893d5bfe4ef ]--- # [ 38.093424] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.098091] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc <6>[ 40.477239] lkdtm: Performing direct entry SLAB_FREE_DOUBLE cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f<6>[ 40.489740] lkdtm: Attempting double slab free ... 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 7b ea 02 # [ 38.119365] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 38.125490] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.133751] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 38.142012] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 38.150272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.158532] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 38.166793] FS: 00007fefb4b14580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 38.176121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.182826] CR2: ffff9f2601823fff CR3: 0000000103f00001 CR4: 00000000003706e0 # [ 38.191086] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.201290] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 96<6>[ 40.590761] lkdtm: Performing direct entry SLAB_FREE_CROSS 3, name: cat # [ 38.209939] INFO: lockdep is turned off. # [<6>[ 40.601227] lkdtm: Attempting cross-cache slab free ... 38.214606] irq event stamp: 0 # [ 38.218301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.225591] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 38.235018] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 38.244446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.251735] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 38.260579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.267675] Call Trace: # [ 38.270695] dump_stack+0x77/0x9b # [ 38.274684] ___might_sleep.cold+0xa6/0xb6 # [ 38.279540] exit_signals+0x1c/0x300 # [ 38.283820] do_exit+0xc2/0xab0 # [ 38.287606] ? ksys_write+0x68/0xf0 # [ 38.291781] make_task_dead+0x2f/0x30 # [ 38.296149] rewind_stack_and_make_dead+0x17/0x20 # [ 38.301684] RIP: 0033:0x7fefb4a2a473 # [ 38.305955] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.3272<6>[ 40.720046] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 40.731765] lkdtm: Attempting non-Slab slab free ... 28] RSP: 002b:00007fff383fb848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.335974] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fefb4a2a473 # [ 38.344236] RDX: 0000000000000019 RSI: 00007fefb491e000 RDI: 0000000000000001 # [ 38.352496] RBP: 00007fefb491e000 R08: 00007fefb491d010 R09: 0000000000000000 # [ 38.360757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.369018] 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 # [ 38.485720] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 38.496626] lkdtm: attempting bad read from page above current stack # [ 38.510252] BUG: stack guard page was hit at 000000004bc41a90 (stack is 000000004d639ffe..000000006ad18142) # [ 38.527603] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 38.534700] CPU: 0 PID: 996 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 38.543536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.550635] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 38.557542] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 00 1b 40 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 5a de fb ff 48 c7 c7 40 1b 40 a3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 3d de fb ff # [ 38.578819] RSP: 0018:ffff9f26018e7e50 EFLAGS: 00010246 # [ 38.584945] RAX: 0000000000000038 RBX: ffff9f26018e4000 RCX: 0000000000000000 # [ 38.593206] RDX: 0000000000000000 RSI: ffff8fb17ac1bf70 RDI: ffffffffa3401b40 # [ 38.601472] RBP: ffffffffa340120b R08: 0000000000000000 R09: 0000000000000000 # [ 38.609733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 38.617994] R13: ffff9f26018e7f10 R14: ffff9f26018e7f10 R15: ffff8fb104622000 # [ 38.626256] FS: 00007f22ec92f580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 38.635585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.642293] CR2: ffff9f26018e8000 CR3: 0000000104096006 CR4: 00000000003706f0 # [ 38.650555] Call Trace: # [ 38.653574] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 38.659700] direct_entry.cold+0x2c/0x38 # [ 38.664370] full_proxy_write+0x53/0x80 # [ 38.668949] vfs_write+0xe7/0x3b0 # [ 38.672945] ksys_write+0x68/0xf0 # [ 38.676936] do_syscall_64+0x30/0x40 # [ 38.681217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.687149] RIP: 0033:0x7f22ec845473 # [ 38.691429] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<6>[ 40.993532] lkdtm: Performing direct entry EXEC_DATA 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <6>[ 41.004623] lkdtm: attempting ok execution at ffffffffa1f79480 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <6>[ 41.017658] lkdtm: attempting bad execution at ffffffffa4e20c00 # [ 38.712707] RSP: 002b:00007ffd88e272b8 EFLAGS: 00000246 ORI<2>[ 41.030773] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.045632] BUG: unable to handle page fault for address: ffffffffa4e20c00 <1>[ 41.053605] #PF: supervisor instruction fetch in kernel mode <1>[ 41.060207] #PF: error_code(0x0011) - permissions violation <6>[ 41.066721] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000324000e3 G_RAX: 0000000000000001 # [ 38.721467] RAX: ffffffffffffffda <4>[ 41.074501] Oops: 0011 [#5] SMP PTI <4>[ 41.084900] CPU: 1 PID: 1540 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 41.093842] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.100941] RIP: 0010:data_area+0x0/0x40 RBX: 000000000000001a RCX: 00007f22ec845473 # [ 38.729727] RD<4>[ 41.105612] Code: ff ff 00 d8 97 02 b1 8f ff ff 00 d7 97 02 b1 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 41.133105] RSP: 0018:ffff9f26021d7e48 EFLAGS: 00010246 <4>[ 41.139233] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.147496] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 41.155758] RBP: ffffffffa4e20c00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.164018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 41.172280] R13: ffff9f26021d7f10 R14: ffff9f26021d7f10 R15: ffff8fb104782000 <4>[ 41.180543] FS: 00007fbcf75ef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 41.189865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.196573] CR2: ffffffffa4e20c00 CR3: 000000010270e003 CR4: 00000000003706e0 <4>[ 41.204835] Call Trace: <4>[ 41.207855] ? execute_location+0x45/0x56 X: 000000000000001a RSI: 00007f22ec739000 RDI: 0000000000000001 <4>[ 41.212624] ? direct_entry.cold+0x2c/0x38 <4>[ 41.223702] ? full_proxy_write+0x53/0x80 <4>[ 41.228492] ? vfs_write+0xe7/0x3b0 # [ 38.737988] RBP: 00007f22ec739000 R08: 00007f22ec738010 R0<4>[ 41.232676] ? ksys_write+0x68/0xf0 <4>[ 41.243073] ? do_syscall_64+0x30/0x40 9: 0000000000000000 # [ 38.746251] R10: fffffffffffffbc5 R11:<4>[ 41.247550] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000246 R12: 0000000000000001 # [ 38.754513] R13: 0<4>[ 41.259893] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.318860] CR2: ffffffffa4e20c00 <4>[ 41.322850] ---[ end trace 235b9893d5bfe4f2 ]--- <4>[ 41.328297] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.332967] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 41.354244] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 41.360371] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.368633] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 41.376893] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.385154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.393421] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 41.401683] FS: 00007fbcf75ef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 41.411014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.417723] CR2: ffffffffa4e20c00 CR3: 000000010270e003 CR4: 00000000003706e0 <3>[ 41.425984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.436179] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1540, name: cat <4>[ 41.444927] INFO: lockdep is turned off. <4>[ 41.449593] irq event stamp: 0 <4>[ 41.453290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.460582] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 41.470010] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 41.479429] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.486722] CPU: 1 PID: 1540 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 41.495654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.502749] Call Trace: <4>[ 41.505768] dump_stack+0x77/0x9b <4>[ 41.509759] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.514624] exit_signals+0x1c/0x300 <4>[ 41.518904] do_exit+0xc2/0xab0 <4>[ 41.522700] ? ksys_write+0x68/0xf0 <4>[ 41.526876] make_task_dead+0x2f/0x30 <4>[ 41.531243] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.536785] RIP: 0033:0x7fbcf7505473 <4>[ 41.541066] Code: 8b 15 21 2a 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>[ 41.562346] RSP: 002b:00007ffc1ef5ca78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.571084] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbcf7505473 <4>[ 41.579347] RDX: 000000000000000a RSI: 00007fbcf73f9000 RDI: 0000000000000001 <4>[ 41.587611] RBP: 00007fbcf73f9000 R08: 00007fbcf73f8010 R09: 0000000000000000 <4>[ 41.595874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.604134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.762780] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.815559] ---[ end trace 235b9893d5bfe4f0 ]--- # [ 38.821006] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.825673] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 38.846946] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 38.853072] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.861333] RD<6>[ 41.712511] lkdtm: Performing direct entry EXEC_STACK <6>[ 41.724025] lkdtm: attempting ok execution at ffffffffa1f79480 <6>[ 41.730847] lkdtm: attempting bad execution at ffff9f260223fe18 <2>[ 41.737764] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.746423] BUG: unable to handle page fault for address: ffff9f260223fe18 <1>[ 41.754386] #PF: supervisor instruction fetch in kernel mode <1>[ 41.760998] #PF: error_code(0x0011) - permissions violation X:< 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 6>[ 41.767511] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 103d90067 PTE 8000000103e9e063 <4>[ 41.783062] Oops: 0011 [#6] SMP PTI <4>[ 41.787247] CPU: 3 PID: 1576 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 38.869593] RBP: ffffffffa3465960 R08: 0000000000000001 R0<4>[ 41.796192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.809504] RIP: 0010:0xffff9f260223fe18 <4>[ 41.814171] Code: 00 00 18 fe 23 02 26 9f ff ff 56 e6 63 a2 ff ff ff ff 20 00 00 00 00 00 00 00 4e 13 40 a3 ff ff ff ff 85 e7 63 a2 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>[ 41.835448] RSP: 0018:ffff9f260223fdf8 EFLAGS: 00010246 <4>[ 41.841573] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.849835] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 41.858096] RBP: ffff9f260223fe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.866356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 41.874618] R13: ffff9f260223ff10 R14: ffff9f260223ff10 R15: ffff8fb103f0e000 <4>[ 41.882881] FS: 00007f6aeca9a580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 41.892212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.898921] CR2: ffff9f260223fe18 CR3: 0000000106916005 CR4: 00000000003706e0 <4>[ 41.907175] Call Trace: <4>[ 41.910196] ? execute_location+0x45/0x56 <4>[ 41.914963] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 41.919730] ? direct_entry.cold+0x2c/0x38 <4>[ 41.924595] ? full_proxy_write+0x53/0x80 <4>[ 41.929362] ? vfs_write+0xe7/0x3b0 <4>[ 41.933546] ? ksys_write+0x68/0xf0 <4>[ 41.937732] ? do_syscall_64+0x30/0x40 <4>[ 41.942208] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 9: 0000000000000001 # [ 38.877854] R10: 00000000ffffe000 R11:<4>[ 41.948336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.007340] CR2: ffff9f260223fe18 <4>[ 42.011329] ---[ end trace 235b9893d5bfe4f3 ]--- <4>[ 42.016776] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.021434] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 42.042713] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 42.048840] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.057100] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 42.065364] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.073626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.081890] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 42.090152] FS: 00007f6aeca9a580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 42.099481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.106189] CR2: ffff9f260223fe18 CR3: 0000000106916005 CR4: 00000000003706e0 3fffffffffffffff R12: 0000000000000004 # [ 38.886115] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 38.894377] FS: 00007f22ec92f580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 38.903706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.910412] CR2: ffff9f26018e8000 CR3: 0000000104096006 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 39.066873] lkdtm: Performing direct entry UNSET_SMEP # [ 39.073977] lkdtm: trying to clear SMEP normally # [ 39.085660] ------------[ cut here ]------------ # [ 39.097307] pinned CR4 bits changed: 0x100000!? # [ 39.108873] WARNING: CPU: 1 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 39.125587] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_e<6>[ 42.209686] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 42.220084] lkdtm: attempting ok execution at ffffffffa1f79480 <6>[ 42.226895] lkdtm: attempting bad execution at ffff8fb105bd1280 <2>[ 42.233805] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.242486] BUG: unable to handle page fault for address: ffff8fb105bd1280 <1>[ 42.250458] #PF: supervisor instruction fetch in kernel mode <1>[ 42.257068] #PF: error_code(0x0011) - permissions violation c_[ 42.263573] PGD 32601067 P4D 32601067 PUD 100872063 PMD 105a4f063 PTE 8000000105bd1063 <4>[ 42.278934] Oops: 0011 [#7] SMP PTI <4>[ 42.283117] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 42.292059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.299158] RIP: 0010:0xffff8fb105bd1280 <4>[ 42.303826] Code: 00 00 02 00 00 00 00 00 00 00 e0 50 fd 03 b1 8f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 4f a1 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>[ 42.325103] RSP: 0018:ffff9f2602317e38 EFLAGS: 00010246 <4>[ 42.331228] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.339490] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 42.347753] RBP: ffff8fb105bd1280 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.356015] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 42.364275] R13: ffff9f2602317f10 R14: ffff9f2602317f10 R15: ffff8fb104650000 <4>[ 42.372537] FS: 00007fcebdde1580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 42.381868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.388575] CR2: ffff8fb105bd1280 CR3: 0000000103f52006 CR4: 00000000003706e0 <4>[ 42.396836] Call Trace: <4>[ 42.399856] ? execute_location+0x45/0x56 <4>[ 42.404624] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 42.409586] ? direct_entry.cold+0x2c/0x38 <4>[ 42.414444] ? full_proxy_write+0x53/0x80 <4>[ 42.419212] ? vfs_write+0xe7/0x3b0 <4>[ 42.423396] ? ksys_write+0x68/0xf0 <4>[ 42.427573] ? do_syscall_64+0x30/0x40 <4>[ 42.432047] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 os_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_<4>[ 42.438176] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.497177] CR2: ffff8fb105bd1280 <4>[ 42.501166] ---[ end trace 235b9893d5bfe4f4 ]--- <4>[ 42.506613] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.511281] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 42.532558] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 42.538684] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.546944] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 42.555205] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.563474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.571734] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 42.579995] FS: 00007fcebdde1580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 42.589325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.596032] CR2: ffff8fb105bd1280 CR3: 0000000103f52006 CR4: 00000000003706e0 <3>[ 42.604294] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.614498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat <4>[ 42.623245] INFO: lockdep is turned off. <4>[ 42.627914] irq event stamp: 0 <4>[ 42.631609] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.638901] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.648328] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.657756] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.665048] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 42.673989] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.681086] Call Trace: <4>[ 42.684104] dump_stack+0x77/0x9b ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_comp<4>[ 42.688096] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.699173] exit_signals+0x1c/0x300 <4>[ 42.703445] do_exit+0xc2/0xab0 <4>[ 42.707232] ? ksys_write+0x68/0xf0 <4>[ 42.711424] make_task_dead+0x2f/0x30 <4>[ 42.715802] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.721345] RIP: 0033:0x7fcebdcf7473 <4>[ 42.725625] Code: 8b 15 21 2a 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>[ 42.746896] RSP: 002b:00007ffcf477f988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.755644] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fcebdcf7473 <4>[ 42.763905] RDX: 000000000000000d RSI: 00007fcebdbeb000 RDI: 0000000000000001 <4>[ 42.772167] RBP: 00007fcebdbeb000 R08: 00007fcebdbea010 R09: 0000000000000000 <4>[ 42.780429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.788691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.184560] CPU: 1 PID: 1032 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 39.199721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.213041] RIP: 0010:native_write_cr4+0x45/0x60 # [ 39.224707] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6e 47 46 02 00 75 f2 48 c7 c7 28 fa 2f a3 c6 05 5e 47 46 02 01 e8 d6 40 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 39.252210] RSP: 0018:ffff9f2601967e48 EFLAGS: 00010286 # [ 39.264552] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 39.279039] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 39.293523] RBP: ffffffffa3401225 R08: 0000000000000000 R09: 0000000000000000 # [ 39.308012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 39.322490] R13: ffff9f2601967f10 R14: ffff9f2601967f10 R15: ffff8fb103c04000 <6>[ 42.902136] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 42.908809] lkdtm: attempting ok execution at ffffffffa1f79480 <6>[ 42.915642] lkdtm: attempting bad execution at ffff9f260034b000 <2>[ 42.922579] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.931240] BUG: unable to handle page fault for address: ffff9f260034b000 # [ 39.336969] FS: 00007f5a531cd580(0000) GS:ffff8fb17ac80000<1>[ 42.939214] #PF: supervisor instruction fetch in kernel mode <1>[ 42.952038] #PF: error_code(0x0011) - permissions violation <6>[ 42.958552] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 10096e067 PTE 8000000105b7d063 (0000) knlGS:0000000000000000 # [ 39.352521] CS: 0010 DS: 00<4>[ 42.967886] Oops: 0011 [#8] SMP PTI <4>[ 42.978287] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.10.180-cip34 #1 00 ES: 0000 CR0: 0000000080050033 # [ 39.365450] CR2: 00007f5<4>[ 42.987229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.000542] RIP: 0010:0xffff9f260034b000 <4>[ 43.005204] Code: Unable to access opcode bytes at RIP 0xffff9f260034afd6. <4>[ 43.013173] RSP: 0018:ffff9f26023a7e38 EFLAGS: 00010246 <4>[ 43.019300] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.027563] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 43.035825] RBP: ffff9f260034b000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.044086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 43.052348] R13: ffff9f26023a7f10 R14: ffff9f26023a7f10 R15: ffff8fb105b7d000 <4>[ 43.060611] FS: 00007f14dec2b580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 43.069941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.076649] CR2: ffff9f260034afd6 CR3: 000000010270e006 CR4: 00000000003706e0 <4>[ 43.084911] Call Trace: <4>[ 43.087931] ? execute_location+0x45/0x56 <4>[ 43.092699] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 43.097659] ? direct_entry.cold+0x2c/0x38 <4>[ 43.102523] ? full_proxy_write+0x53/0x80 <4>[ 43.107292] ? vfs_write+0xe7/0x3b0 <4>[ 43.111475] ? ksys_write+0x68/0xf0 <4>[ 43.115661] ? do_syscall_64+0x30/0x40 <4>[ 43.120135] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 a52fd7000 CR3: 0000000106aee002 CR4: 00000000003706e0 # [ 39.<4>[ 43.126265] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.185270] CR2: ffff9f260034b000 <4>[ 43.189260] ---[ end trace 235b9893d5bfe4f5 ]--- <4>[ 43.194698] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.199366] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 43.220646] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 43.226762] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.235026] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 43.243289] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.251551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.259812] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 43.268074] FS: 00007f14dec2b580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 43.277422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.284131] CR2: ffff9f260034afd6 CR3: 000000010270e006 CR4: 00000000003706e0 373716] Call Trace: # [ 39.382952] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 39.394327] direct_entry.cold+0x2c/0x38 # [ 39.405217] full_proxy_write+0x53/0x80 # [ 39.416010] vfs_write+0xe7/0x3b0 # [ 39.426219] ksys_write+0x68/0xf0 # [ 39.436432] do_syscall_64+0x30/0x40 # [ 39.446931] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.459084] RIP: 0033:0x7f5a530e3473 # [ 39.469586] Code: 8b 15 21 2a 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 # [ 39.497088] RSP: 002b:00007fff253d46a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.512056] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5a530e3473 # [ 39.520323] RDX: 000000000000000b RSI: 00007f5a52fd7000 RDI: 0000000000000001 # [ 39.534800] RBP: 00007f5a52fd7000 R08: 00007f5a52fd6010 R09: 0000000000000000 # [ 39.549285] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<6>[ 43.391477] lkdtm: Performing direct entry EXEC_RODATA <6>[ 43.397898] lkdtm: attempting ok execution at ffffffffa1f79480 <6>[ 43.404740] lkdtm: attempting bad execution at ffffffffa2f7e900 <2>[ 43.411669] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 000000001 # [ 39.563763] R13: 0000000000000001 R14: 000000000<1>[ 43.420329] BUG: unable to handle page fault for address: ffffffffa2f7e900 <1>[ 43.434515] #PF: supervisor instruction fetch in kernel mode <1>[ 43.441129] #PF: error_code(0x0011) - permissions violation <6>[ 43.447634] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000304000e1 0020000 R15: 0000000000020000 # [ 39.572035] irq event stamp:<4>[ 43.455414] Oops: 0011 [#9] SMP PTI <4>[ 43.465813] CPU: 2 PID: 1684 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0 # [ 39.581941] hardirqs last enabled at (0): [<0000000000<4>[ 43.474756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.488072] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 43.494101] Code: ff ff f5 fb 63 a2 ff ff ff ff 9a 15 40 a3 ff ff ff ff 3b e3 63 a2 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>[ 43.515379] RSP: 0018:ffff9f2602457e48 EFLAGS: 00010246 <4>[ 43.521504] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 43.529767] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 43.538030] RBP: ffffffffa2f7e900 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.546290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 43.554552] R13: ffff9f2602457f10 R14: ffff9f2602457f10 R15: ffff8fb103fdb000 <4>[ 43.562817] FS: 00007f90d7552580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 43.572147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.578854] CR2: ffffffffa2f7e900 CR3: 00000001047fa006 CR4: 00000000003706e0 <4>[ 43.587116] Call Trace: <4>[ 43.590136] ? execute_location+0x45/0x56 <4>[ 43.594903] ? direct_entry.cold+0x2c/0x38 <4>[ 43.599769] ? full_proxy_write+0x53/0x80 <4>[ 43.604536] ? vfs_write+0xe7/0x3b0 <4>[ 43.608711] ? ksys_write+0x68/0xf0 <4>[ 43.612903] ? do_syscall_64+0x30/0x40 000000>] 0x0 # [ 39.589238] hardirqs last disabled at (0): [<<4>[ 43.617387] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffffffffa14fd844>] copy_process+0x664/0x1c60 # [ 39.604878] s<4>[ 43.629729] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.688732] CR2: ffffffffa2f7e900 <4>[ 43.692713] ---[ end trace 235b9893d5bfe4f6 ]--- <4>[ 43.698152] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.702811] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 43.724088] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 43.730214] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.738477] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 43.746740] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.755003] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.763265] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 43.771528] FS: 00007f90d7552580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 43.780858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.787566] CR2: ffffffffa2f7e900 CR3: 00000001047fa006 CR4: 00000000003706e0 oftirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 39.614310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.627815] ---[ end trace 235b9893d5bfe4f1 ]--- # [ 39.633265] lkdtm: ok: SMEP did not get cleared # [ 39.644829] lkdtm: trying to clear SMEP with call gadget # [ 39.651056] 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 # [ 39.759612] lkdtm: Performing direct entry DOUBLE_FAULT # [ 39.768286] 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 # [ 39.867908] lkdtm: Performing direct entry CORRUPT_PAC # [ 39.879296] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdt<6>[ 43.887048] lkdtm: Performing direct entry EXEC_USERSPACE m: UNALIGNED_LOAD_STORE_WRITE.sh # [ 40.015307] lkdtm: Perfor<6>[ 43.895434] lkdtm: attempting ok execution at ffffffffa1f79480 ming direct entry UNALIGNED_LOAD_STORE_WRITE # [ 40.022885] l<6>[ 43.908462] lkdtm: attempting bad execution at 00007f8a33d6c000 kdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # <2>[ 43.921589] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 43.934493] BUG: unable to handle page fault for address: 00007f8a33d6c000 <1>[ 43.942465] #PF: supervisor instruction fetch in kernel mode <1>[ 43.949078] #PF: error_code(0x0011) - permissions violation UN[ 43.955593] PGD 8000000105859067 P4D 8000000105859067 PUD 1041e9067 PMD 103c00067 PTE 107735067 <4>[ 43.971825] Oops: 0011 [#10] SMP PTI <4>[ 43.976105] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 43.985048] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.992136] RIP: 0010:0x7f8a33d6c000 <4>[ 43.996422] Code: Unable to access opcode bytes at RIP 0x7f8a33d6bfd6. <4>[ 44.004005] RSP: 0018:ffff9f26024e7e50 EFLAGS: 00010246 <4>[ 44.010122] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 44.018384] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 44.026638] RBP: 00007f8a33d6c000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.034901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 44.043163] R13: ffff9f26024e7f10 R14: ffff9f26024e7f10 R15: ffff8fb1046d4000 <4>[ 44.051426] FS: 00007f8a33d3d580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 44.060758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.067470] CR2: 00007f8a33d6c000 CR3: 000000010433e003 CR4: 00000000003706e0 <4>[ 44.075731] Call Trace: <4>[ 44.078751] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae : lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdt<4>[ 44.084393] ? direct_entry.cold+0x2c/0x38 <4>[ 44.095473] ? full_proxy_write+0x53/0x80 m: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Cor<4>[ 44.100243] ? vfs_write+0xe7/0x3b0 <4>[ 44.110638] ? ksys_write+0x68/0xf0 <4>[ 44.114814] ? do_syscall_64+0x30/0x40 <4>[ 44.119290] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 rupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOC<4>[ 44.125428] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 44.184393] CR2: 00007f8a33d6c000 ATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skip<4>[ 44.188423] ---[ end trace 235b9893d5bfe4f7 ]--- <4>[ 44.200083] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.204752] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 44.226031] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 44.232157] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.240422] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 44.248683] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.256945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.265206] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 44.273474] FS: 00007f8a33d3d580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 44.282805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.289514] CR2: 00007f8a33d6c000 CR3: 000000010433e003 CR4: 00000000003706e0 <3>[ 44.297776] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.307980] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 44.316726] INFO: lockdep is turned off. <4>[ 44.321411] irq event stamp: 0 ping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftes<4>[ 44.325117] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.338625] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.348054] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.357481] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.364773] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 44.373715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.380811] Call Trace: <4>[ 44.383829] dump_stack+0x77/0x9b <4>[ 44.387822] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.392686] exit_signals+0x1c/0x300 <4>[ 44.396968] do_exit+0xc2/0xab0 <4>[ 44.400763] ? ksys_write+0x68/0xf0 <4>[ 44.404939] make_task_dead+0x2f/0x30 <4>[ 44.409317] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.414860] RIP: 0033:0x7f8a33c53473 <4>[ 44.419139] Code: 8b 15 21 2a 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>[ 44.440423] RSP: 002b:00007ffccf05abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.449172] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f8a33c53473 <4>[ 44.457434] RDX: 000000000000000f RSI: 00007f8a33b47000 RDI: 0000000000000001 <4>[ 44.465696] RBP: 00007f8a33b47000 R08: 00007f8a33b46010 R09: 0000000000000000 <4>[ 44.473957] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.482218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ts: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 40.194512] lkdtm: Performing direct entry READ_AFTER_FREE # [ 40.204989] lkdtm: Value in memory before free: 12345678 # [ 40.211239] lkdtm: Attempting bad read from freed memory # [ 40.217482] 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 # [ 40.344085] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 40.353712] lkdtm: Value in memory before free: 12345678 # [ 40.366154] lkdtm: Attempting to read from freed memory # [ 40.378494] 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 # [ 40.477239] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 40.489740] 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 # [ 40.590761] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 40.601227] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 40.720046] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 40.731765] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm<6>[ 44.663444] lkdtm: Performing direct entry EXEC_NULL : SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh <6>[ 44.670331] lkdtm: attempting ok execution at ffffffffa1f79480 # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm<6>[ 44.683361] lkdtm: attempting bad execution at 0000000000000000 : SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Ski<1>[ 44.696486] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.710766] #PF: supervisor instruction fetch in kernel mode <1>[ 44.717377] #PF: error_code(0x0010) - not-present page <6>[ 44.723425] PGD 0 P4D 0 <4>[ 44.726544] Oops: 0010 [#11] SMP PTI <4>[ 44.730815] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 44.739757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.746854] RIP: 0010:0x0 <4>[ 44.750067] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 44.758037] RSP: 0018:ffff9f260255fe48 EFLAGS: 00010246 <4>[ 44.764154] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 44.772422] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 44.780683] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.788942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.797202] R13: ffff9f260255ff10 R14: ffff9f260255ff10 R15: ffff8fb105c93000 <4>[ 44.805474] FS: 00007f4231eef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 44.814795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.821500] CR2: ffffffffffffffd6 CR3: 00000001044c4005 CR4: 00000000003706e0 <4>[ 44.829762] Call Trace: <4>[ 44.832782] execute_location+0x45/0x56 pping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARD<4>[ 44.837356] direct_entry.cold+0x2c/0x38 <4>[ 44.848241] full_proxy_write+0x53/0x80 LOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping <4>[ 44.852816] vfs_write+0xe7/0x3b0 <4>[ 44.863018] ksys_write+0x68/0xf0 <4>[ 44.867001] do_syscall_64+0x30/0x40 SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP<4>[ 44.871284] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.883429] RIP: 0033:0x7f4231e05473 <4>[ 44.887710] Code: 8b 15 21 2a 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>[ 44.908981] RSP: 002b:00007ffe88711b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.917721] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4231e05473 <4>[ 44.925984] RDX: 000000000000000a RSI: 00007f4231cf9000 RDI: 0000000000000001 <4>[ 44.934245] RBP: 00007f4231cf9000 R08: 00007f4231cf8010 R09: 0000000000000000 <4>[ 44.942507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.950768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TA<4>[ 44.959033] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 45.018004] CR2: 0000000000000000 <4>[ 45.021984] ---[ end trace 235b9893d5bfe4f8 ]--- <4>[ 45.027430] RIP: 0010:lkdtm_BUG+0x5/0x10 SK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKI<4>[ 45.032100] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 45.059593] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 45.065719] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.073980] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 45.082241] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.090502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.098764] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 45.107027] FS: 00007f4231eef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 45.116349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.123055] CR2: ffffffffffffffd6 CR3: 00000001044c4005 CR4: 00000000003706e0 P # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 40.993532] lkdtm: Performing direct entry EXEC_DATA # [ 41.004623] lkdtm: attempting ok execution at ffffffffa1f79480 # [ 41.017658] lkdtm: attempting bad execution at ffffffffa4e20c00 # [ 41.030773] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.045632] BUG: unable to handle page fault for address: ffffffffa4e20c00 # [ 41.053605] #PF: supervisor instruction fetch in kernel mode # [ 41.060207] #PF: error_code(0x0011) - permissions violation # [ 41.066721] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000324000e3 # [ 41.074501] Oops: 0011 [#5] SMP PTI # [ 41.084900] CPU: 1 PID: 1540 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 41.093842] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.100941] RIP: 0010:data_area+0x0/0x40 # [ 41.105612] Code: ff ff 00 d8 97 02 b1 8f ff ff 00 d7 97 02 b1 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 41.133105] RSP: 0018:ffff9f26021d7e48 EFLAGS: 00010246 # [ 41.139233] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.147496] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 41.155758] RBP: ffffffffa4e20c00 R08: 0000000000000000 R09: 0000000000000000<6>[ 45.267867] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 45.274676] lkdtm: attempting bad read at 00007f3198eb5000 # [ 41.164018] R10: 00000000ffffe000 R11: 3fffffffffffffff R<1>[ 45.281112] BUG: unable to handle page fault for address: 00007f3198eb5000 <1>[ 45.295282] #PF: supervisor read access in kernel mode <1>[ 45.301313] #PF: error_code(0x0001) - permissions violation <6>[ 45.307819] PGD 80000001058b6067 P4D 80000001058b6067 PUD 105c1d067 PMD 105bd0067 PTE 17adbf067 12: 000000000000000a # [ 41.172280] R13: ffff9f26021d7f10 R14<4>[ 45.317835] Oops: 0001 [#12] SMP PTI <4>[ 45.328330] CPU: 2 PID: 1791 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 45.337273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.344371] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 45.350886] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 22 40 a3 e8 ce d7 fb ff 48 c7 c7 e0 22 40 a3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b5 d7 fb ff 48 89 ee 48 c7 c7 08 23 40 <4>[ 45.372165] RSP: 0018:ffff9f2602607e48 EFLAGS: 00010246 <4>[ 45.378292] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 45.386553] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffffffffa34022e0 <4>[ 45.394815] RBP: 00007f3198eb5000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.403076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 45.411339] R13: ffff9f2602607f10 R14: ffff9f2602607f10 R15: ffff8fb1026ad000 <4>[ 45.419601] FS: 00007f3198e86580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 45.428933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.435642] CR2: 00007f3198eb5000 CR3: 0000000105b22001 CR4: 00000000003706e0 <4>[ 45.443904] Call Trace: <4>[ 45.446925] direct_entry.cold+0x2c/0x38 <4>[ 45.451595] full_proxy_write+0x53/0x80 <4>[ 45.456169] vfs_write+0xe7/0x3b0 <4>[ 45.460159] ksys_write+0x68/0xf0 <4>[ 45.464150] do_syscall_64+0x30/0x40 <4>[ 45.468430] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.474363] RIP: 0033:0x7f3198d9c473 <4>[ 45.478645] Code: 8b 15 21 2a 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>[ 45.499916] RSP: 002b:00007ffe779da268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.508664] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3198d9c473 <4>[ 45.516925] RDX: 0000000000000011 RSI: 00007f3198c90000 RDI: 0000000000000001 <4>[ 45.525187] RBP: 00007f3198c90000 R08: 00007f3198c8f010 R09: 0000000000000000 <4>[ 45.533467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.541729] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.549996] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table : ffff9f26021d7f10 R15: ffff8fb104782000 # [ 41.180543] FS: <4>[ 45.602789] CR2: 00007f3198eb5000 <4>[ 45.612992] ---[ end trace 235b9893d5bfe4f9 ]--- <4>[ 45.618439] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.623109] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 45.644385] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 45.650503] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.658765] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 45.667026] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.675287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.683547] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 45.691808] FS: 00007f3198e86580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 45.701137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.707844] CR2: 00007f3198eb5000 CR3: 0000000105b22001 CR4: 00000000003706e0 <3>[ 45.716107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.726302] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1791, name: cat <4>[ 45.735048] INFO: lockdep is turned off. <4>[ 45.739714] irq event stamp: 0 <4>[ 45.743425] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.750716] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.760143] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.769570] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.776861] CPU: 2 PID: 1791 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 45.785803] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.792899] Call Trace: <4>[ 45.795917] dump_stack+0x77/0x9b <4>[ 45.799908] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.804772] exit_signals+0x1c/0x300 <4>[ 45.809053] do_exit+0xc2/0xab0 <4>[ 45.812849] ? ksys_write+0x68/0xf0 <4>[ 45.817032] make_task_dead+0x2f/0x30 <4>[ 45.821425] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.826966] RIP: 0033:0x7f3198d9c473 <4>[ 45.831245] Code: 8b 15 21 2a 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>[ 45.852523] RSP: 002b:00007ffe779da268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.861262] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3198d9c473 <4>[ 45.869526] RDX: 0000000000000011 RSI: 00007f3198c90000 RDI: 0000000000000001 <4>[ 45.877786] RBP: 00007f3198c90000 R08: 00007f3198c8f010 R09: 0000000000000000 <4>[ 45.886046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.894307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00007fbcf75ef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 41.189865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.196573] CR2: ffffffffa4e20c00 CR3: 000000010270e003 CR4: 00000000003706e0 # [ 41.204835] Call Trace: # [ 41.207855] ? execute_location+0x45/0x56 # [ 41.212624] ? direct_entry.cold+0x2c/0x38 # [ 41.223702] ? full_proxy_write+0x53/0x80 # [ 41.228492] ? vfs_write+0xe7/0x3b0 # [ 41.232676] ? ksys_write+0x68/0xf0 # [ 41.243073] ? do_syscall_64+0x30/0x40 # [ 41.247550] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.259893] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.318860] CR2: ffffffffa4e20c00 # [ 41.322850] ---[ end trace 235b9893d5b<6>[ 46.019119] lkdtm: Performing direct entry ACCESS_NULL <6>[ 46.026742] lkdtm: attempting bad read at 0000000000000000 <1>[ 46.033219] BUG: kernel NULL pointer dereference, address: 0000000000000000 fe4f2 ]--- # [ 41.328297] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <1>[ 46.041301] #PF: supervisor read access in kernel mode <1>[ 46.053536] #PF: error_code(0x0000) - not-present page <6>[ 46.059565] PGD 0 P4D 0 41.332967] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff ff eb d<4>[ 46.062684] Oops: 0000 [#13] SMP PTI <4>[ 46.073179] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 46.082120] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e <48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c94>[ 46.089221] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 46.100981] Code: 72 d7 fb ff be 00 10 00 00 48 89 ef e8 10 65 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 22 40 a3 e8 4c d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 22 40 a3 48 01 <4>[ 46.122258] RSP: 0018:ffff9f260265fe58 EFLAGS: 00010246 <4>[ 46.128383] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 46.136646] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 46.144900] RBP: ffffffffa34013a9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.153162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 46.161423] R13: ffff9f260265ff10 R14: ffff9f260265ff10 R15: ffff8fb106a5b000 <4>[ 46.169687] FS: 00007f426a794580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 46.179017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.185724] CR2: 0000000000000000 CR3: 000000010478a002 CR4: 00000000003706e0 <4>[ 46.193987] Call Trace: <4>[ 46.197007] direct_entry.cold+0x2c/0x38 <4>[ 46.201679] full_proxy_write+0x53/0x80 <4>[ 46.206252] vfs_write+0xe7/0x3b0 <4>[ 46.210243] ksys_write+0x68/0xf0 <4>[ 46.214232] do_syscall_64+0x30/0x40 <4>[ 46.218512] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.224444] RIP: 0033:0x7f426a6aa473 <4>[ 46.228746] Code: 8b 15 21 2a 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>[ 46.250014] RSP: 002b:00007fff599e6018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.258763] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f426a6aa473 <4>[ 46.267024] RDX: 000000000000000c RSI: 00007f426a59e000 RDI: 0000000000000001 <4>[ 46.275286] RBP: 00007f426a59e000 R08: 00007f426a59d010 R09: 0000000000000000 <4>[ 46.283547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.291810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0<4>[ 46.300075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 46.359077] CR2: 0000000000000000 <4>[ 46.363067] ---[ end trace 235b9893d5bfe4fa ]--- <4>[ 46.368505] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.373174] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 46.394470] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 46.400587] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.408849] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 46.417110] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.425372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.433633] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 46.441894] FS: 00007f426a794580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 46.451224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.457932] CR2: 0000000000000000 CR3: 000000010478a002 CR4: 00000000003706e0 0 83 05 00 7b ea 02 # [ 41.354244] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 41.360371] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.368633] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 41.376893] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 41.385154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.393421] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 41.401683] FS: 00007fbcf75ef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 41.411014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.417723] CR2: ffffffffa4e20c00 CR3: 000000010270e003 CR4: 00000000003706e0 # [ 41.425984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.436179] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1540, name: cat # [ 41.444927] INFO: lockdep is turned off. # [ 41.449593] irq event stamp: 0 # [ 41.453290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.460582] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 41.470010] softirqs last enabled at (0): [] copy_process+0<6>[ 46.590205] lkdtm: Performing direct entry WRITE_RO x664/0x1c60 # [ 41.479429] softirqs last disabled at (0): [<0<6>[ 46.596316] lkdtm: attempting bad rodata write at ffffffffa2f7e8f0 000000000000000>] 0x0 # [ 41.486722] CPU: 1 PID: 1540 Comm: c<1>[ 46.609745] BUG: unable to handle page fault for address: ffffffffa2f7e8f0 <1>[ 46.623905] #PF: supervisor write access in kernel mode <1>[ 46.630030] #PF: error_code(0x0003) - permissions violation <6>[ 46.636544] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000304000e1 <4>[ 46.644330] Oops: 0003 [#14] SMP PTI <4>[ 46.648611] CPU: 0 PID: 1861 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 46.657552] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.664652] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 46.669909] Code: 00 48 c7 c7 98 21 40 a3 48 c7 c6 f0 e8 f7 a2 e8 f6 d9 fb ff 48 8b 05 6a 02 94 00 ba 34 12 cd ab 48 c7 c7 c8 21 40 a3 48 31 d0 <48> 89 05 54 02 94 00 e9 d4 d9 fb ff 0f 1f 44 00 00 48 8b 05 83 8c <4>[ 46.691187] RSP: 0018:ffff9f26026dfe60 EFLAGS: 00010202 <4>[ 46.697313] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 46.705575] RDX: 00000000abcd1234 RSI: ffff8fb17ac1bf70 RDI: ffffffffa34021c8 <4>[ 46.713837] RBP: ffffffffa34013b5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.722099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 46.730363] R13: ffff9f26026dff10 R14: ffff9f26026dff10 R15: ffff8fb105b66000 <4>[ 46.738616] FS: 00007f1e804b1580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 46.747948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.754648] CR2: ffffffffa2f7e8f0 CR3: 000000010274c005 CR4: 00000000003706f0 <4>[ 46.762908] Call Trace: <4>[ 46.765928] direct_entry.cold+0x2c/0x38 <4>[ 46.770606] full_proxy_write+0x53/0x80 <4>[ 46.775185] vfs_write+0xe7/0x3b0 <4>[ 46.779180] ksys_write+0x68/0xf0 <4>[ 46.783172] do_syscall_64+0x30/0x40 <4>[ 46.787457] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.793390] RIP: 0033:0x7f1e803c7473 <4>[ 46.797670] Code: 8b 15 21 2a 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>[ 46.818947] RSP: 002b:00007ffe708e7ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.827695] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1e803c7473 <4>[ 46.835957] RDX: 0000000000000009 RSI: 00007f1e802bb000 RDI: 0000000000000001 <4>[ 46.844218] RBP: 00007f1e802bb000 R08: 00007f1e802ba010 R09: 0000000000000000 <4>[ 46.852479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.860742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.869008] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 46.921789] CR2: ffffffffa2f7e8f0 <4>[ 46.925778] ---[ end trace 235b9893d5bfe4fb ]--- <4>[ 46.931226] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.935895] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 46.957172] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 46.963287] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.971548] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 46.979810] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.988071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.996332] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 47.004595] FS: 00007f1e804b1580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 47.013915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.020622] CR2: ffffffffa2f7e8f0 CR3: 000000010274c005 CR4: 00000000003706f0 <3>[ 47.028883] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.039088] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat <4>[ 47.047825] INFO: lockdep is turned off. <4>[ 47.052493] irq event stamp: 0 <4>[ 47.056190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.063483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 47.072912] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 47.082341] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.089623] CPU: 0 PID: 1861 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 47.098566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.105662] Call Trace: <4>[ 47.108681] dump_stack+0x77/0x9b <4>[ 47.112671] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.117541] exit_signals+0x1c/0x300 <4>[ 47.121828] do_exit+0xc2/0xab0 <4>[ 47.125623] ? ksys_write+0x68/0xf0 <4>[ 47.129806] make_task_dead+0x2f/0x30 <4>[ 47.134176] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.139719] RIP: 0033:0x7f1e803c7473 <4>[ 47.143992] Code: 8b 15 21 2a 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>[ 47.165269] RSP: 002b:00007ffe708e7ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.174008] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1e803c7473 <4>[ 47.182261] RDX: 0000000000000009 RSI: 00007f1e802bb000 RDI: 0000000000000001 <4>[ 47.190523] RBP: 00007f1e802bb000 R08: 00007f1e802ba010 R09: 0000000000000000 <4>[ 47.198783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.207043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at Tainted: G D W 5.10.180-cip34 #1 # [ 41.495654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.502749] Call Trace: # [ 41.505768] dump_stack+0x77/0x9b # [ 41.509759] ___might_sleep.cold+0xa6/0xb6 # [ 41.514624] exit_signals+0x1c/0x300 # [ 41.518904] do_exit+0xc2/0xab0 # [ 41.522700] ? ksys_write+0x68/0xf0 # [ 41.526876] make_task_dead+0x2f/0x30 # [ 41.531243] rewind_stack_and_make_dead+0x17/0x20 # [ 41.536785] RIP: 0033:0x7fbcf7505473 # [ 41.541066] Code: 8b 15 21 2a 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 # [ 41.562346] RSP: 002b:00007ffc1ef5ca78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.571084] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbcf7505473 # [ 41.579347] RDX: 000000000000000a RSI: 00007fbcf73f9000 RDI: 0000000000000001 # [ 41.587611] RBP: 00007fbcf73f9000 R08: 00007fbcf73f8010 R09: 0000000000000000 # [ 41.595874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.604134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 self<6>[ 47.338532] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT tests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh #<6>[ 47.346500] lkdtm: attempting bad ro_after_init write at ffffffffa3487330 Killed # [ 41.712511] lkdtm: Performing direct entry EXEC_ST<1>[ 47.360595] BUG: unable to handle page fault for address: ffffffffa3487330 <1>[ 47.374741] #PF: supervisor write access in kernel mode <1>[ 47.380858] #PF: error_code(0x0003) - permissions violation <6>[ 47.387362] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 10588f063 PTE 8000000030a87061 <4>[ 47.396410] Oops: 0003 [#15] SMP PTI <4>[ 47.400691] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 47.409623] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.416724] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 47.423049] Code: 21 40 a3 e9 a8 d9 fb ff 48 c7 c7 20 22 40 a3 e8 9c d9 fb ff 48 8b 05 50 8c e4 00 ba 34 12 cd ab 48 c7 c7 c8 21 40 a3 48 31 d0 <48> 89 05 3a 8c e4 00 e9 7a d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 47.444325] RSP: 0018:ffff9f260276fe60 EFLAGS: 00010202 <4>[ 47.450451] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 47.458705] RDX: 00000000abcd1234 RSI: ffff8fb17ac1bf70 RDI: ffffffffa34021c8 <4>[ 47.466967] RBP: ffffffffa34013be R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.475229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 47.483490] R13: ffff9f260276ff10 R14: ffff9f260276ff10 R15: ffff8fb103c1e000 <4>[ 47.491752] FS: 00007f7c9eed4580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 47.501081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.507788] CR2: ffffffffa3487330 CR3: 0000000103212005 CR4: 00000000003706f0 <4>[ 47.516050] Call Trace: <4>[ 47.519069] direct_entry.cold+0x2c/0x38 <4>[ 47.523745] full_proxy_write+0x53/0x80 <4>[ 47.528323] vfs_write+0xe7/0x3b0 <4>[ 47.532318] ksys_write+0x68/0xf0 <4>[ 47.536310] do_syscall_64+0x30/0x40 <4>[ 47.540596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.546527] RIP: 0033:0x7f7c9edea473 <4>[ 47.550799] Code: 8b 15 21 2a 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>[ 47.572077] RSP: 002b:00007ffe7d38d8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.580826] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7c9edea473 <4>[ 47.589088] RDX: 0000000000000014 RSI: 00007f7c9ecde000 RDI: 0000000000000001 <4>[ 47.597350] RBP: 00007f7c9ecde000 R08: 00007f7c9ecdd010 R09: 0000000000000000 <4>[ 47.605612] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.613876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.622141] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 47.674927] CR2: ffffffffa3487330 <4>[ 47.678915] ---[ end trace 235b9893d5bfe4fc ]--- <4>[ 47.684363] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.689033] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 47.710312] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 47.716430] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.724691] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 47.732952] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.741213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.749476] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 47.757738] FS: 00007f7c9eed4580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 <4>[ 47.767060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.773770] CR2: ffffffffa3487330 CR3: 0000000103212005 CR4: 00000000003706f0 ACK # [ 41.724025] lkdtm: attempting ok execution at ffffffffa1f79480 # [ 41.730847] lkdtm: attempting bad execution at ffff9f260223fe18 # [ 41.737764] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.746423] BUG: unable to handle page fault for address: ffff9f260223fe18 # [ 41.754386] #PF: supervisor instruction fetch in kernel mode # [ 41.760998] #PF: error_code(0x0011) - permissions violation # [ 41.767511] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 103d90067 PTE 8000000103e9e063 # [ 41.783062] Oops: 0011 [#6] SMP PTI # [ 41.787247] CPU: 3 PID: 1576 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 41.796192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.809504] RIP: 0010:0xffff9f260223fe18 # [ 41.814171] Code: 00 00 18 fe 23 02 26 9f ff ff 56 e6 63 a2 ff ff ff ff 20 00 00 00 00 00 00 00 4e 13 40 a3 ff ff ff ff 85 e7 63 a2 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 41.835448] RSP: 0018:ffff9f260223fdf8 EFLAGS: 00010246 # [ 41.841573] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.849835] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 41.858096] RBP: ffff9f260223fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 41.866356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 41.874618] R13: ffff9f260223ff10 R14: ffff9f260223ff10 R15: ffff8fb103f0e000 # [ 41.882881] FS: 00007f6aeca9a580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 41.892212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.898921] CR2: ffff9f260223fe18 CR3: 0000000106916005 CR4: 000000<6>[ 47.945043] lkdtm: Performing direct entry WRITE_KERN <6>[ 47.955789] lkdtm: attempting bad 7098752 byte write at ffffffffa263e600 <1>[ 47.963605] BUG: unable to handle page fault for address: ffffffffa263e600 00003706e0 # [ 41.907175] Call Trace: # [ 41.910196] ? ex<1>[ 47.971583] #PF: supervisor write access in kernel mode <1>[ 47.983923] #PF: error_code(0x0003) - permissions violation <6>[ 47.990439] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 2fc000e1 ecute_location+0x45/0x56 # [ 41.914963] ? lkdtm_EXEC_STACK+0<4>[ 47.997445] Oops: 0003 [#16] SMP PTI <4>[ 48.007940] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 48.016882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.023983] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 48.029430] Code: 53 48 c7 c3 00 e6 63 a2 49 89 dc 48 89 da 49 81 ec 80 94 f7 a1 4c 89 e6 e8 4f d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 94 f7 a1 a4 48 c7 c7 c8 21 40 a3 e8 34 d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 48.050702] RSP: 0018:ffff9f260282fe50 EFLAGS: 00010246 <4>[ 48.056829] RAX: 000000000000003c RBX: ffffffffa263e600 RCX: 00000000006c5180 <4>[ 48.065089] RDX: 0000000000000000 RSI: ffffffffa1f79480 RDI: ffffffffa263e600 <4>[ 48.073353] RBP: ffffffffa34013d2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.081614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c5180 <4>[ 48.089876] R13: ffff9f260282ff10 R14: ffff9f260282ff10 R15: ffff8fb1030a6000 <4>[ 48.098138] FS: 00007fadd5305580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 48.107470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.114178] CR2: ffffffffa263e600 CR3: 00000001058b6001 CR4: 00000000003706e0 <4>[ 48.122439] Call Trace: <4>[ 48.125478] direct_entry.cold+0x2c/0x38 <4>[ 48.130150] full_proxy_write+0x53/0x80 <4>[ 48.134724] vfs_write+0xe7/0x3b0 <4>[ 48.138714] ksys_write+0x68/0xf0 <4>[ 48.142706] do_syscall_64+0x30/0x40 <4>[ 48.146987] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.152918] RIP: 0033:0x7fadd521b473 <4>[ 48.157199] Code: 8b 15 21 2a 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>[ 48.178478] RSP: 002b:00007ffeeaeb1ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.187227] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fadd521b473 <4>[ 48.195491] RDX: 000000000000000b RSI: 00007fadd510f000 RDI: 0000000000000001 <4>[ 48.203752] RBP: 00007fadd510f000 R08: 00007fadd510e010 R09: 0000000000000000 <4>[ 48.212015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.220276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x26/0x44 # [ 41.919730] ? direct_entry.cold+0x2c/0x38 # [ <4>[ 48.228541] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 48.287546] CR2: ffffffffa263e600 <4>[ 48.291535] ---[ end trace 235b9893d5bfe4fd ]--- <4>[ 48.296983] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.301653] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 <4>[ 48.322930] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 <4>[ 48.329057] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.337318] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 <4>[ 48.345580] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.353842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.362103] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 <4>[ 48.370366] FS: 00007fadd5305580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 48.379697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.386420] CR2: ffffffffa263e600 CR3: 00000001058b6001 CR4: 00000000003706e0 41.924595] ? full_proxy_write+0x53/0x80 # [ 41.929362] ? vfs_write+0xe7/0x3b0 # [ 41.933546] ? ksys_write+0x68/0xf0 # [ 41.937732] ? do_syscall_64+0x30/0x40 # [ 41.942208] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.948336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.007340] CR2: ffff9f260223fe18 # [ 42.011329] ---[ end trace 235b9893d5bfe4f3 ]--- # [ 42.016776] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.021434] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 42.042713] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 42.048840] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.057100] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 R<6>[ 48.521952] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 48.532247] lkdtm: attempting good refcount_inc() without overflow DI: ffffffffa2f7e470 # [ 42.065364] RBP: ffffffffa3465960 R08<6>[ 48.539468] lkdtm: attempting bad refcount_inc() overflow <4>[ 48.551996] ------------[ cut here ]------------ <4>[ 48.557450] refcount_t: saturated; leaking memory. <4>[ 48.563104] WARNING: CPU: 3 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 0000000000000001 R09: 0000000000000001 # [ 42.073626] R10: <4>[ 48.572832] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 48.631840] CPU: 3 PID: 1966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 48.640784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.647875] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 48.654002] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 <4>[ 48.675284] RSP: 0018:ffff9f26028a7e48 EFLAGS: 00010286 <4>[ 48.681427] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # <4>[ 48.689694] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 48.704172] RBP: ffffffffa34013dd R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.712436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 48.720700] R13: ffff9f26028a7f10 R14: ffff9f26028a7f10 R15: ffff8fb105c88000 <4>[ 48.728955] FS: 00007f117627a580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 48.738289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.745000] CR2: 00007f1176084000 CR3: 00000001046a6004 CR4: 00000000003706e0 <4>[ 48.753266] Call Trace: <4>[ 48.756288] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 48.761956] direct_entry.cold+0x2c/0x38 <4>[ 48.766653] full_proxy_write+0x53/0x80 <4>[ 48.771253] vfs_write+0xe7/0x3b0 <4>[ 48.775268] ksys_write+0x68/0xf0 <4>[ 48.779260] do_syscall_64+0x30/0x40 <4>[ 48.783543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.789478] RIP: 0033:0x7f1176190473 [ 42.081890] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: <4>[ 48.793763] Code: 8b 15 21 2a 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>[ 48.821263] RSP: 002b:00007ffef3f2c308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.830013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1176190473 <4>[ 48.838275] RDX: 0000000000000016 RSI: 00007f1176084000 RDI: 0000000000000001 <4>[ 48.846539] RBP: 00007f1176084000 R08: 00007f1176083010 R09: 0000000000000000 <4>[ 48.854802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.863072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff8fb1030b8000 # [ 42.090152] FS: 00007f6aeca9a580(0000) G<4>[ 48.871372] irq event stamp: 0 <4>[ 48.881275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.888570] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.898000] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.907433] softirqs last disabled at (0): [<0000000000000000>] 0x0 S:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 42.099481<4>[ 48.914728] ---[ end trace 235b9893d5bfe4fe ]--- <6>[ 48.926389] lkdtm: Overflow detected: saturated ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.106189] CR2: ffff9f260223fe18 CR3: 0000000106916005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 42.209686] lkdtm: Performing direct entry EXEC_KMALLOC # [ 42.220084] lkdtm: attempting ok execution at ffffffffa1f79480 # [ 42.226895] lkdtm: attempting bad execution at ffff8fb105bd1280 # [ 42.233805] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 42.242486] BUG: unable to handle page fault for address: ffff8fb105bd1280 # [ 42.250458] #PF: supervisor instruction fetch in kernel mode # [ 42.257068] #PF: error_code(0x0011) - permissions violation # [ 42.263573] PGD 32601067 P4D 32601067 PUD 100872063 PMD 105a4f063 PTE 8000000105bd1063 # [ 42.278934] Oops: 0011 [#7] SMP PTI # [ 42.283117] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 42.292059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.299158] RIP: 0010:<6>[ 49.034705] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0xffff8fb105bd1280 # [ 42.303826] Code: 00 00 02 00 00 00 00 <6>[ 49.044433] lkdtm: attempting good refcount_add() without overflow 00 00 00 e0 50 fd 03 b1 8f ff ff 04 00 00 00 00 00 00 00 00 00 0<6>[ 49.057846] lkdtm: attempting bad refcount_add() overflow <4>[ 49.070376] ------------[ cut here ]------------ 0 00 00 00 00 00 fb ef 4f a1 ff ff ff ff <0f> 1f 44 00 00 c3 cc <4>[ 49.075826] refcount_t: saturated; leaking memory. cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 42.325103] R<4>[ 49.087699] WARNING: CPU: 1 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 SP: 0018:ffff9f2602317e38 EFLAGS: 00010246 # [ 42.331228] RAX<4>[ 49.103623] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table : 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.162614] CPU: 1 PID: 1998 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 42.339490] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI<4>[ 49.177753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : ffff8fb17ad9bf70 # [ 42.347753] RBP: ffff8fb105bd1280 R08: <4>[ 49.191067] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000000 R09: 0000000000000000 # [ 42.356015] R10: 00<4>[ 49.203428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ <4>[ 49.230925] RSP: 0018:ffff9f260290fe48 EFLAGS: 00010286 42.364275] R13: ffff9f2602317f10 R14: ffff9f2602317f10 R15: ff<4>[ 49.243268] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ff8fb104650000 # [ 42.372537] FS: 00007fcebdde1580(0000) GS:<4>[ 49.257747] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 42.381868] <4>[ 49.272227] RBP: ffffffffa34013f3 R08: 0000000000000000 R09: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.3885<4>[ 49.286708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 75] CR2: ffff8fb105bd1280 CR3: 0000000103f52006 CR4: 00000000003<4>[ 49.301185] R13: ffff9f260290ff10 R14: ffff9f260290ff10 R15: ffff8fb1042f4000 706e0 # [ 42.396836] Call Trace: # [ 42.399856] ? execute<4>[ 49.315667] FS: 00007f97ee30e580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 _location+0x45/0x56 # [ 42.404624] ? lkdtm_EXEC_KMALLOC+0x2c<4>[ 49.331215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x40 # [ 42.409586] ? direct_entry.cold+0x2c/0x38 # [ 42<4>[ 49.344142] CR2: 00007f97ee118000 CR3: 00000001058b6004 CR4: 00000000003706e0 .414444] ? full_proxy_write+0x53/0x80 # [ 42.419212] ? vfs_<4>[ 49.358623] Call Trace: write+0xe7/0x3b0 # [ 42.423396] ? ksys_write+0x68/0xf0 # [ <4>[ 49.367865] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 42.427573] ? do_syscall_64+0x30/0x40 # [ 42.432047] ? ent<4>[ 49.379727] direct_entry.cold+0x2c/0x38 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.438176] Modules <4>[ 49.390614] full_proxy_write+0x53/0x80 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros<4>[ 49.401408] vfs_write+0xe7/0x3b0 <4>[ 49.411616] ksys_write+0x68/0xf0 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<4>[ 49.415615] do_syscall_64+0x30/0x40 <4>[ 49.426107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec<4>[ 49.432068] RIP: 0033:0x7f97ee224473 <4>[ 49.442561] Code: 8b 15 21 2a 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 _sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_log<4>[ 49.463846] RSP: 002b:00007ffc446cdba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_mem<4>[ 49.478808] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f97ee224473 <4>[ 49.493285] RDX: 0000000000000016 RSI: 00007f97ee118000 RDI: 0000000000000001 ops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_e<4>[ 49.501553] RBP: 00007f97ee118000 R08: 00007f97ee117010 R09: 0000000000000000 <4>[ 49.516029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros<4>[ 49.524292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_ta<4>[ 49.538768] irq event stamp: 0 ble # [ 42.497177] CR2: ffff8fb105bd1280 # [ 42.501166] --<4>[ 49.548703] hardirqs last enabled at (0): [<0000000000000000>] 0x0 -[ end trace 235b9893d5bfe4f4 ]--- # [ 42.506613] RIP: 0010:l<4>[ 49.562211] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.577856] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 kdtm_BUG+0x5/0x10 # [ 42.511281] Code: 89 ff e8 ae ea 79 ff 4<4>[ 49.587286] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.600789] ---[ end trace 235b9893d5bfe4ff ]--- 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48<6>[ 49.606235] lkdtm: Overflow detected: saturated 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 00 7b ea 02 # [ 42.532558] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 42.538684] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.546944] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 42.555205] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 42.563474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.571734] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 42.579995] FS: 00007fcebdde1580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 42.589325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.596032] CR2: ffff8fb105bd1280 CR3: 0000000103f52006 CR4: 00000000003706e0 # [ 42.604294] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.614498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat # [ 42.623245] INFO: lockdep is turned off. # [ 42.627914] irq event stamp: 0 # [ 42.631609] hardirqs last enabl<6>[ 49.726874] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 49.737547] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 49.744780] ------------[ cut here ]------------ ed at (0): [<0000000000000000>] 0x0 # [ 42.638901] hardirqs l<4>[ 49.750264] refcount_t: saturated; leaking memory. ast disabled at (0): [] copy_process+0x664/0x1<4>[ 49.762133] WARNING: CPU: 2 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 c60 # [ 42.648328] softirqs last enabled at (0): [[ 49.778058] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 49.837085] CPU: 2 PID: 2030 Comm: cat Tainted: G D W 5.10.180-cip34 #1 14fd844>] copy_process+0x664/0x1c60 # [ 42.657756] softirqs l<4>[ 49.846032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.859341] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.865468] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 <4>[ 49.886789] RSP: 0018:ffff9f260299fe38 EFLAGS: 00010282 <4>[ 49.892917] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 49.901182] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 49.909446] RBP: ffffffffa3401030 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.917711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.925975] R13: ffff9f260299ff10 R14: ffff9f260299ff10 R15: ffff8fb10692f000 <4>[ 49.934238] FS: 00007fe5fd8e5580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 49.943571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.950273] CR2: 00007fe5fd6ef000 CR3: 00000001030a2002 CR4: 00000000003706e0 <4>[ 49.958537] Call Trace: <4>[ 49.961561] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.968006] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 49.974523] direct_entry.cold+0x2c/0x38 <4>[ 49.979197] full_proxy_write+0x53/0x80 <4>[ 49.983771] vfs_write+0xe7/0x3b0 <4>[ 49.987787] ksys_write+0x68/0xf0 <4>[ 49.991780] do_syscall_64+0x30/0x40 <4>[ 49.996063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 50.001997] RIP: 0033:0x7fe5fd7fb473 <4>[ 50.006278] Code: 8b 15 21 2a 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>[ 50.027556] RSP: 002b:00007ffde9526138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.036304] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe5fd7fb473 <4>[ 50.044568] RDX: 000000000000001f RSI: 00007fe5fd6ef000 RDI: 0000000000000001 <4>[ 50.052831] RBP: 00007fe5fd6ef000 R08: 00007fe5fd6ee010 R09: 0000000000000000 <4>[ 50.061094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.069356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.077613] irq event stamp: 0 <4>[ 50.081336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.088631] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ast disabled at (0): [<0000000000000000>] 0x0 # [ 42.665048] <4>[ 50.098061] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 50.113709] softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.180-<4>[ 50.121000] ---[ end trace 235b9893d5bfe500 ]--- <6>[ 50.132662] lkdtm: Overflow detected: saturated cip34 #1 # [ 42.673989] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.681086] Call Trace: # [ 42.684104] dump_stack+0x77/0x9b # [ 42.688096] ___might_sleep.cold+0xa6/0xb6 # [ 42.699173] exit_signals+0x1c/0x300 # [ 42.703445] do_exit+0xc2/0xab0 # [ 42.707232] ? ksys_write+0x68/0xf0 # [ 42.711424] make_task_dead+0x2f/0x30 # [ 42.715802] rewind_stack_and_make_dead+0x17/0x20 # [ 42.721345] RIP: 0033:0x7fcebdcf7473 # [ 42.725625] Code: 8b 15 21 2a 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 # [ 42.746896] RSP: 002b:00007ffcf477f988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.755644] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fcebdcf7473 # [ 42.763905] RDX: 000000000000000d RSI: 00007fcebdbeb000 RDI: 0000000000000001 # [ 42.772167] RBP: 00007fcebdbeb000 R08: 00007fcebdbea010 R09: 0000000000000000 # [ 42.780429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.788691] R13: 0000000000000001 R14<6>[ 50.246022] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW : 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'c<6>[ 50.257816] lkdtm: attempting bad refcount_add_not_zero() overflow all trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # self<4>[ 50.271247] ------------[ cut here ]------------ tests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 42.902136] lkdtm:<4>[ 50.282924] refcount_t: saturated; leaking memory. Performing direct entry EXEC_VMALLOC # [ 42.908809] lkdtm: a<4>[ 50.294795] WARNING: CPU: 0 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ttempting ok execution at ffffffffa1f79480 # [ 42.915642] lkd<4>[ 50.310733] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table tm: attempting bad execution at ffff9f260034b000 # [ 42.92257<4>[ 50.369685] CPU: 0 PID: 2062 Comm: cat Tainted: G D W 5.10.180-cip34 #1 9] kernel tried to execute NX-protected page - exploit attempt? <4>[ 50.384842] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 (uid: 0) # [ 42.931240] BUG: unable to handle page fault for <4>[ 50.398151] RIP: 0010:refcount_warn_saturate+0x97/0x110 address: ffff9f260034b000 # [ 42.939214] #PF: supervisor inst<4>[ 50.410496] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 ruction fetch in kernel mode # [ 42.952038] #PF: error_code(0<4>[ 50.438030] RSP: 0018:ffff9f2602a27e38 EFLAGS: 00010282 x0011) - permissions violation # [ 42.958552] PGD 100000067 P<4>[ 50.450341] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 4D 100000067 PUD 10022f067 PMD 10096e067 PTE 8000000105b7d063 #<4>[ 50.464878] RDX: ffff8fb17ac2c660 RSI: ffff8fb17ac1bf70 RDI: ffff8fb17ac1bf70 [ 42.967886] Oops: 0011 [#8] SMP PTI # [ 42.978287] CPU: 2<4>[ 50.479335] RBP: ffffffffa3401050 R08: 0000000000000000 R09: 0000000000000000 PID: 1648 Comm: cat Tainted: G D W 5.10.180-cip34 <4>[ 50.493810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f #1 # [ 42.987229] Hardware name: Google Rammus/Rammus, BIOS <4>[ 50.508295] R13: ffff9f2602a27f10 R14: ffff9f2602a27f10 R15: ffff8fb1026cb000 09/04/2020 # [ 43.000542] RIP: 0010:0xffff9f260034b000 # [ <4>[ 50.522793] FS: 00007fb235d30580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 43.005204] Code: Unable to access opcode bytes at RIP 0xffff9f2<4>[ 50.538324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 60034afd6. # [ 43.013173] RSP: 0018:ffff9f26023a7e38 EFLAGS: <4>[ 50.551269] CR2: 00007fb235b3a000 CR3: 000000010492e004 CR4: 00000000003706f0 00010246 # [ 43.019300] RAX: 0000000000000033 RBX: 0000000000<4>[ 50.565735] Call Trace: 000001 RCX: 0000000000000000 # [ 43.027563] RDX: 000000000000<4>[ 50.575029] __refcount_add_not_zero.constprop.0+0x2a/0x35 0000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 43.03582<4>[ 50.587626] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 5] RBP: ffff9f260034b000 R08: 0000000000000000 R09: 000000000000<4>[ 50.600357] direct_entry.cold+0x2c/0x38 0000 # [ 43.044086] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 50.611241] full_proxy_write+0x53/0x80 ff R12: 000000000000000d # [ 43.052348] R13: ffff9f26023a7f10<4>[ 50.622069] vfs_write+0xe7/0x3b0 R14: ffff9f26023a7f10 R15: ffff8fb105b7d000 # [ 43.060611] F<4>[ 50.632252] ksys_write+0x68/0xf0 S: 00007f14dec2b580(0000) GS:ffff8fb17ad00000(0000) knlGS:00000<4>[ 50.642477] do_syscall_64+0x30/0x40 00000000000 # [ 43.069941] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 50.652956] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000080050033 # [ 43.076649] CR2: ffff9f260034afd6 CR3: 000<4>[ 50.665115] RIP: 0033:0x7fb235c46473 000010270e006 CR4: 00000000003706e0 # [ 43.084911] Call Trace<4>[ 50.675593] Code: 8b 15 21 2a 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 : # [ 43.087931] ? execute_location+0x45/0x56 # [ 43.0926<4>[ 50.703096] RSP: 002b:00007fff0a9046b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 99] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 43.097659] ? direct_<4>[ 50.718046] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb235c46473 entry.cold+0x2c/0x38 # [ 43.102523] ? full_proxy_write+0x53/<4>[ 50.732527] RDX: 000000000000001f RSI: 00007fb235b3a000 RDI: 0000000000000001 0x80 # [ 43.107292] ? vfs_write+0xe7/0x3b0 # [ 43.111475]<4>[ 50.747051] RBP: 00007fb235b3a000 R08: 00007fb235b39010 R09: 0000000000000000 ? ksys_write+0x68/0xf0 # [ 43.115661] ? do_syscall_64+0x30<4>[ 50.761547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 /0x40 # [ 43.120135] ? entry_SYSCALL_64_after_hwframe+0x61/0<4>[ 50.776028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xc6 # [ 43.126265] Modules linked in: fuse ip_tables cros_ec_<4>[ 50.790535] irq event stamp: 0 lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_trig<4>[ 50.800448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 gered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_light<4>[ 50.813940] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 bar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_d<4>[ 50.829623] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ebugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_char<4>[ 50.845254] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.858760] ---[ end trace 235b9893d5bfe501 ]--- dev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gs<6>[ 50.864234] lkdtm: Overflow detected: saturated mi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.185270] CR2: ffff9f260034b000 # [ 43.189260] ---[ end trace 235b9893d5bfe4f5 ]--- # [ 43.194698] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.199366] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 43.220646] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 43.226762] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.235026] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 43.243289] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 43.251551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.259812] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 43.268074] FS: 00007f14dec2b580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 43.277422] CS: 0010 DS: 0000 ES: 0000 CR0: 00<6>[ 50.983564] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 50.994246] lkdtm: attempting good refcount_dec() <6>[ 50.999795] lkdtm: attempting bad refcount_dec() to zero 00000080050033 # [ 43.284131] CR2: ffff9f260034afd6 CR3: 0000<4>[ 51.006032] ------------[ cut here ]------------ 00010270e006 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call tr<4>[ 51.017693] refcount_t: decrement hit 0; leaking memory. ace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests:<4>[ 51.030149] WARNING: CPU: 3 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 lkdtm: EXEC_RODATA.sh # Killed # [ 43.391477] lkdtm: Perfor<4>[ 51.046078] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 51.105105] CPU: 3 PID: 2094 Comm: cat Tainted: G D W 5.10.180-cip34 #1 ming direct entry EXEC_RODATA # [ 43.397898] lkdtm: attemptin<4>[ 51.114064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.127371] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 51.133500] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 51.154778] RSP: 0018:ffff9f2602ab7e48 EFLAGS: 00010286 <4>[ 51.160906] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 51.169170] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 51.177434] RBP: ffffffffa3401409 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.185695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 51.193960] R13: ffff9f2602ab7f10 R14: ffff9f2602ab7f10 R15: ffff8fb100e6f000 <4>[ 51.202224] FS: 00007f68d252c580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 51.211556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.218264] CR2: 00007f68d2336000 CR3: 0000000103e96006 CR4: 00000000003706e0 <4>[ 51.226529] Call Trace: <4>[ 51.229551] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 51.234832] direct_entry.cold+0x2c/0x38 <4>[ 51.239528] full_proxy_write+0x53/0x80 <4>[ 51.244129] vfs_write+0xe7/0x3b0 <4>[ 51.248121] ksys_write+0x68/0xf0 <4>[ 51.252115] do_syscall_64+0x30/0x40 <4>[ 51.256428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 51.262364] RIP: 0033:0x7f68d2442473 <4>[ 51.266646] Code: 8b 15 21 2a 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>[ 51.287926] RSP: 002b:00007ffe2a0067f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 g ok execution at ffffffffa1f79480 # [ 43.404740] lkdtm: atte<4>[ 51.296680] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68d2442473 mpting bad execution at ffffffffa2f7e900 # [ 43.411669] kerne<4>[ 51.311164] RDX: 0000000000000012 RSI: 00007f68d2336000 RDI: 0000000000000001 <4>[ 51.325645] RBP: 00007f68d2336000 R08: 00007f68d2335010 R09: 0000000000000000 <4>[ 51.333909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.342172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.350442] irq event stamp: 0 <4>[ 51.354147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.361445] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.370875] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.380305] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.387598] ---[ end trace 235b9893d5bfe502 ]--- <6>[ 51.393045] lkdtm: Zero detected: saturated l tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 43.420329] BUG: unable to handle page fault for address: ffffffffa2f7e900 # [ 43.434515] #PF: supervisor instruction fetch in kernel mode # [ 43.441129] #PF: error_code(0x0011) - permissions violation # [ 43.447634] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000304000e1 # [ 43.455414] Oops: 0011 [#9] SMP PTI # [ 43.465813] CPU: 2 PID: 1684 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 43.474756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.488072] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 43.494101] Code: ff ff f5 fb 63 a2 ff ff ff ff 9a 15 40 a3 ff ff ff ff 3b e3 63 a2 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 # [ 43.515379] RSP: 0018:ffff9f2602457e48 EFLAGS: 00010246 # [ 43.521504] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 43.529767] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 43.538030] RBP: ffffffffa2f7e900 R08: 0000000000000000 R09: 0000000000000000 # [ 43.546290] R10: 00000000ffffe000 R11: 3ffffffffffffff<6>[ 51.513108] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE f R12: 000000000000000c # [ 43.554552] R13: ffff9f2602457f10 <6>[ 51.523177] lkdtm: attempting bad refcount_dec() below zero R14: ffff9f2602457f10 R15: ffff8fb103fdb000 # [ 43.562817] FS<4>[ 51.535917] ------------[ cut here ]------------ : 00007f90d7552580(0000) GS:ffff8fb17ad00000(0000) knlGS:000000<4>[ 51.547601] refcount_t: decrement hit 0; leaking memory. 0000000000 # [ 43.572147] CS: 0010 DS: 0000 ES: 0000 CR0: 00<4>[ 51.560050] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000080050033 # [ 43.578854] CR2: ffffffffa2f7e900 CR3: 0000<4>[ 51.575993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 0001047fa006 CR4: 00000000003706e0 # [ 43.587116] Call Trace:<4>[ 51.634979] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 43.590136] ? execute_location+0x45/0x56 # [ 43.59490<4>[ 51.650123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3] ? direct_entry.cold+0x2c/0x38 # [ 43.599769] ? full_prox<4>[ 51.663438] RIP: 0010:refcount_warn_saturate+0xfb/0x110 y_write+0x53/0x80 # [ 43.604536] ? vfs_write+0xe7/0x3b0 # [<4>[ 51.675767] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 43.608711] ? ksys_write+0x68/0xf0 # [ 43.612903] ? do_sy<4>[ 51.703308] RSP: 0018:ffff9f2602b47e48 EFLAGS: 00010286 scall_64+0x30/0x40 # [ 43.617387] ? entry_SYSCALL_64_after_h<4>[ 51.715643] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 wframe+0x61/0xc6 # [ 43.629729] Modules linked in: fuse ip_ta<4>[ 51.730162] RDX: ffff8fb17ac2c660 RSI: ffff8fb17ac1bf70 RDI: ffff8fb17ac1bf70 bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu<4>[ 51.744633] RBP: ffffffffa340141b R08: 0000000000000000 R09: 0000000000000000 strialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 <4>[ 51.759149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sy<4>[ 51.773624] R13: ffff9f2602b47f10 R14: ffff9f2602b47f10 R15: ffff8fb1040b4000 sfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc<4>[ 51.788128] FS: 00007f9ad482c580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 sn<4>[ 51.803667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengi<4>[ 51.816627] CR2: 00007f9ad4636000 CR3: 0000000103206006 CR4: 00000000003706f0 ne videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeo<4>[ 51.831076] Call Trace: s_pstore cros_kbd_led_backlight coreboot_table # [ 43.688732]<4>[ 51.840340] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 CR2: ffffffffa2f7e900 # [ 43.692713] ---[ end trace 235b9893<4>[ 51.852182] direct_entry.cold+0x2c/0x38 d5bfe4f6 ]--- # [ 43.698152] RIP: 0010:lkdtm_BUG+0x5/0x10 # <4>[ 51.863100] full_proxy_write+0x53/0x80 [ 43.702811] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff ff e<4>[ 51.873868] vfs_write+0xe7/0x3b0 b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb<4>[ 51.884106] ksys_write+0x68/0xf0 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0<4>[ 51.894288] do_syscall_64+0x30/0x40 0 00 83 05 00 7b ea 02 # [ 43.724088] RSP: 0018:ffff9f260133f<4>[ 51.904821] entry_SYSCALL_64_after_hwframe+0x61/0xc6 e60 EFLAGS: 00010282 # [ 43.730214] RAX: ffffffffa1f790b0 RBX<4>[ 51.916949] RIP: 0033:0x7f9ad4742473 : 0000000000000001 RCX: 0000000000000000 # [ 43.738477] RDX: <4>[ 51.927500] Code: 8b 15 21 2a 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 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # <4>[ 51.954959] RSP: 002b:00007ffc54c2d388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.746740] RBP: ffffffffa3465960 R08: 0000000000000001 R09: <4>[ 51.969959] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9ad4742473 0000000000000001 # [ 43.755003] R10: 00000000ffffe000 R11: 3f<4>[ 51.984442] RDX: 0000000000000016 RSI: 00007f9ad4636000 RDI: 0000000000000001 ffffffffffffff R12: 0000000000000004 # [ 43.763265] R13: ffff<4>[ 51.998936] RBP: 00007f9ad4636000 R08: 00007f9ad4635010 R09: 0000000000000000 9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ <4>[ 52.013393] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 43.771528] FS: 00007f90d7552580(0000) GS:ffff8fb17ad00000(0000)<4>[ 52.027871] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 knlGS:0000000000000000 # [ 43.780858] CS: 0010 DS: 0000 ES:<4>[ 52.042357] irq event stamp: 0 0000 CR0: 0000000080050033 # [ 43.787566] CR2: ffffffffa2f7e<4>[ 52.052300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 900 CR3: 00000001047fa006 CR4: 00000000003706e0 # EXEC_RODATA: <4>[ 52.065792] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh #<4>[ 52.081447] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 43.887048]<4>[ 52.097093] softirqs last disabled at (0): [<0000000000000000>] 0x0 lkdtm: Performing direct entry EXEC_USERSPACE # [ 43.895434]<4>[ 52.110613] ---[ end trace 235b9893d5bfe503 ]--- lkdtm: attempting ok execution at ffffffffa1f79480 # [ 43.90<6>[ 52.122272] lkdtm: Negative detected: saturated 8462] lkdtm: attempting bad execution at 00007f8a33d6c000 # [ 43.921589] unable to execute userspace code (SMEP?) (uid: 0) # [ 43.934493] BUG: unable to handle page fault for address: 00007f8a33d6c000 # [ 43.942465] #PF: supervisor instruction fetch in kernel mode # [ 43.949078] #PF: error_code(0x0011) - permissions violation # [ 43.955593] PGD 8000000105859067 P4D 8000000105859067 PUD 1041e9067 PMD 103c00067 PTE 107735067 # [ 43.971825] Oops: 0011 [#10] SMP PTI # [ 43.976105] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 43.985048] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.992136] RIP: 0010:0x7f8a33d6c000 # [ 43.996422] Code: Unable to access opcode bytes at RIP 0x7f8a33d6bfd6. # [ 44.004005] RSP: 0018:ffff9f26024e7e50 EFLAGS: 00010246 # [ 44.010122] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 44.018384] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 44.026638] RBP: 00007f8a33d6c000 R08: 0000000000000000 R09: 0000000000000000 # [ 44.034901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 44.043163] R13: ffff9f26024e7f10 R14: ffff9f26024e7f10 R15: ffff8fb1046d4000 # [ 44.051426] FS: 00007f8<6>[ 52.256965] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 52.266009] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 52.273431] ------------[ cut here ]------------ <4>[ 52.278896] refcount_t: underflow; use-after-free. <4>[ 52.284568] WARNING: CPU: 3 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 52.294296] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table a33d3d580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000<4>[ 52.347089] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 52.362242] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.369343] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.375475] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 52.396753] RSP: 0018:ffff9f2602bc7e40 EFLAGS: 00010286 # [ 44.060758] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 52.402882] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 0033 # [ 44.067470] CR2: 00007f8a33d6c000 CR3: 000000010433e0<4>[ 52.417369] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 52.431848] RBP: ffffffffa3401070 R08: 0000000000000000 R09: 0000000000000000 03 CR4: 00000000003706e0 # [ 44.075731] Call Trace: # [ 44<4>[ 52.440115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 52.454593] R13: ffff9f2602bc7f10 R14: ffff9f2602bc7f10 R15: ffff8fb10436d000 <4>[ 52.462856] FS: 00007f3411660580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 52.472187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.478895] CR2: 00007f341146a000 CR3: 000000010478a002 CR4: 00000000003706e0 <4>[ 52.487180] Call Trace: .078751] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 44.084393<4>[ 52.490216] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 52.502842] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 52.509359] direct_entry.cold+0x2c/0x38 <4>[ 52.514055] full_proxy_write+0x53/0x80 <4>[ 52.518653] vfs_write+0xe7/0x3b0 <4>[ 52.522669] ksys_write+0x68/0xf0 <4>[ 52.526661] do_syscall_64+0x30/0x40 <4>[ 52.530943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 52.536875] RIP: 0033:0x7f3411576473 <4>[ 52.541157] Code: 8b 15 21 2a 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>[ 52.562435] RSP: 002b:00007ffe1bc28a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.571182] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3411576473 <4>[ 52.579436] RDX: 000000000000001f RSI: 00007f341146a000 RDI: 0000000000000001 <4>[ 52.587699] RBP: 00007f341146a000 R08: 00007f3411469010 R09: 0000000000000000 <4>[ 52.595956] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.604222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.612489] irq event stamp: 0 <4>[ 52.616213] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.623505] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.632935] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.642366] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.649657] ---[ end trace 235b9893d5bfe504 ]--- <6>[ 52.655097] lkdtm: Negative detected: saturated ] ? direct_entry.cold+0x2c/0x38 # [ 44.095473] ? full_proxy_write+0x53/0x80 # [ 44.100243] ? vfs_write+0xe7/0x3b0 # [ 44.110638] ? ksys_write+0x68/0xf0 # [ 44.114814] ? do_syscall_64+0x30/0x40 # [ 44.119290] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.125428] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.184393] CR2: 00007f8a33d6c000 # [ 44.188423] ---[ end trace 235b9893d5bfe4f7 ]--- # [ 44.200083] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.204752] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 44.226031] RSP: 0018:ffff9f260133fe<6>[ 52.776919] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 60 EFLAGS: 00010282 # [ 44.232157] RAX: ffffffffa1f790b0 RBX:<6>[ 52.786477] lkdtm: attempting bad refcount_sub_and_test() below zero 0000000000000001 RCX: 0000000000000000 # [ 44.240422] RDX: 0<4>[ 52.800084] ------------[ cut here ]------------ 000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [<4>[ 52.811746] refcount_t: underflow; use-after-free. 44.248683] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0<4>[ 52.823620] WARNING: CPU: 1 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000000000001 # [ 44.256945] R10: 00000000ffffe000 R11: 3ff<4>[ 52.839548] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table fffffffffffff R12: 0000000000000004 # [ 44.265206] R13: ffff9<4>[ 52.898517] CPU: 1 PID: 2199 Comm: cat Tainted: G D W 5.10.180-cip34 #1 f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 4<4>[ 52.913679] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4.273474] FS: 00007f8a33d3d580(0000) GS:ffff8fb17ac80000(0000) <4>[ 52.926993] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.939339] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 knlGS:0000000000000000 # [ 44.282805] CS: 0010 DS: 0000 ES: <4>[ 52.960618] RSP: 0018:ffff9f2602c47e40 EFLAGS: 00010286 <4>[ 52.972955] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 0000 CR0: 0000000080050033 # [ 44.289514] CR2: 00007f8a33d6c0<4>[ 52.981220] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 52.995697] RBP: ffffffffa3401090 R08: 0000000000000000 R09: 0000000000000000 00 CR3: 000000010433e003 CR4: 00000000003706e0 # [ 44.297776]<4>[ 53.003960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 53.018434] R13: ffff9f2602c47f10 R14: ffff9f2602c47f10 R15: ffff8fb104098000 BUG: sleeping function called from invalid context at include/l<4>[ 53.026700] FS: 00007fa1dc04b580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 53.042238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 inux/percpu-rwsem.h:49 # [ 44.307980] in_atomic(): 0, irqs_di<4>[ 53.048949] CR2: 00007fa1dbe55000 CR3: 00000001041ea001 CR4: 00000000003706e0 <4>[ 53.063427] Call Trace: sabled(): 1, non_block: 0, pid: 1720, name: cat # [ 44.316726<4>[ 53.066453] __refcount_sub_and_test.constprop.0+0x3c/0x50 ] INFO: lockdep is turned off. # [ 44.321411] irq event stamp<4>[ 53.079081] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b : 0 # [ 44.325117] hardirqs last enabled at (0): [<000000000<4>[ 53.091814] direct_entry.cold+0x2c/0x38 0000000>] 0x0 # [ 44.338625] hardirqs last disabled at (0): [<4>[ 53.102706] full_proxy_write+0x53/0x80 ] copy_process+0x664/0x1c60 # [ 44.348054] <4>[ 53.113500] vfs_write+0xe7/0x3b0 softirqs last enabled at (0): [] copy_process<4>[ 53.123705] ksys_write+0x68/0xf0 +0x664/0x1c60 # [ 44.357481] softirqs last disabled at (0): [<4>[ 53.133912] do_syscall_64+0x30/0x40 <0000000000000000>] 0x0 # [ 44.364773] CPU: 1 PID: 1720 Comm:<4>[ 53.144426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.156576] RIP: 0033:0x7fa1dbf61473 cat Tainted: G D W 5.10.180-cip34 #1 # [ 44.373<4>[ 53.160862] Code: 8b 15 21 2a 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>[ 53.188351] RSP: 002b:00007fff40acf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 53.197103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1dbf61473 <4>[ 53.211578] RDX: 000000000000001f RSI: 00007fa1dbe55000 RDI: 0000000000000001 <4>[ 53.219843] RBP: 00007fa1dbe55000 R08: 00007fa1dbe54010 R09: 0000000000000000 44.380811] Call Trace: # [ 44.383829] dump_stack+0x77/0x9b<4>[ 53.228107] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.242583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.387822] ___might_sleep.cold+0xa6/0xb6 # [ 44.3926<4>[ 53.250850] irq event stamp: 0 <4>[ 53.260763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 86] exit_signals+0x1c/0x300 # [ 44.396968] do_exit+0xc2/0xa<4>[ 53.268058] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.283697] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 b0 # [ 44.400763] ? ksys_write+0x68/0xf0 # [ 44.404939] <4>[ 53.293128] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.306630] ---[ end trace 235b9893d5bfe505 ]--- <6>[ 53.312077] lkdtm: Negative detected: saturated make_task_dead+0x2f/0x30 # [ 44.409317] rewind_stack_and_make_dead+0x17/0x20 # [ 44.414860] RIP: 0033:0x7f8a33c53473 # [ 44.419139] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.440423] RSP: 002b:00007ffccf05abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.449172] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f8a33c53473 # [ 44.457434] RDX: 000000000000000f RSI: 00007f8a33b47000 RDI: 0000000000000001 # [ 44.465696] RBP: 00007f8a33b47000 R08: 00007f8a33b46010 R09: 0000000000000000 # [ 44.473957] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.482218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 44.663444] lkdtm: Performing direct entry EXEC_NULL # [ 44.670331] lkdtm: attempting ok execution at ffffffffa1f79480 # [ 44.683361] lkdtm: attempting bad execution at 0000000000000000 # [ 44.696486] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.710766] #PF: supervisor instruction fetch in kernel mode # [ 44.717377] <6>[ 53.445279] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 53.454590] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 53.461996] lkdtm: Good: zero detected #PF: error_code(0x0010) - not-present page # [ 44.723425] PGD<6>[ 53.466495] lkdtm: Correctly stayed at zero 0 P4D 0 # [ 44.726544] Oops: 0010 [#11] SMP PTI # [ 44.7<6>[ 53.477665] lkdtm: attempting bad refcount_inc() from zero <4>[ 53.490304] ------------[ cut here ]------------ <4>[ 53.495783] refcount_t: addition on 0; use-after-free. <4>[ 53.501844] WARNING: CPU: 2 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 30815] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.<4>[ 53.511569] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 53.570546] CPU: 2 PID: 2231 Comm: cat Tainted: G D W 5.10.180-cip34 #1 10.180-cip34 #1 # [ 44.739757] Hardware name: Google Rammus/R<4>[ 53.579501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.592807] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 53.598937] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 a3 c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 <4>[ 53.620213] RSP: 0018:ffff9f2602c8fe48 EFLAGS: 00010286 <4>[ 53.626343] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 53.634609] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 53.642874] RBP: ffffffffa3401431 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.651139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 53.659423] R13: ffff9f2602c8ff10 R14: ffff9f2602c8ff10 R15: ffff8fb106916000 <4>[ 53.667687] FS: 00007f8516a84580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 53.677020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.683730] CR2: 00007f851688e000 CR3: 0000000106ad8003 CR4: 00000000003706e0 <4>[ 53.691994] Call Trace: <4>[ 53.695018] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 53.700306] direct_entry.cold+0x2c/0x38 <4>[ 53.705002] full_proxy_write+0x53/0x80 <4>[ 53.709579] vfs_write+0xe7/0x3b0 <4>[ 53.713594] ksys_write+0x68/0xf0 <4>[ 53.717588] do_syscall_64+0x30/0x40 <4>[ 53.721896] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.727830] RIP: 0033:0x7f851699a473 <4>[ 53.732113] Code: 8b 15 21 2a 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>[ 53.753391] RSP: 002b:00007ffea4678a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ammus, BIOS 09/04/2020 # [ 44.746854] RIP: 0010:0x0 # [ 4<4>[ 53.762170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f851699a473 4.750067] Code: Unable to access opcode bytes at RIP 0xfffffffff<4>[ 53.776653] RDX: 0000000000000012 RSI: 00007f851688e000 RDI: 0000000000000001 <4>[ 53.791136] RBP: 00007f851688e000 R08: 00007f851688d010 R09: 0000000000000000 <4>[ 53.799421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.807682] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 53.815948] irq event stamp: 0 fffffd6. # [ 44.758037] RSP: 0018:ffff9f260255fe48 EFLAGS: 00<4>[ 53.819673] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.833177] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.842605] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.852034] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.859326] ---[ end trace 235b9893d5bfe506 ]--- <6>[ 53.864772] lkdtm: Zero detected: saturated 010246 # [ 44.764154] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 44.772422] RDX: 0000000000000000 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 44.780683] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 44.788942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.797202] R13: ffff9f260255ff10 R14: ffff9f260255ff10 R15: ffff8fb105c93000 # [ 44.805474] FS: 00007f4231eef580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 44.814795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.821500] CR2: ffffffffffffffd6 CR3: 00000001044c4005 CR4: 00000000003706e0 # [ 44.829762] Call Trace: # [ 44.832782] execute_location+0x45/0x56 # [ 44.837356] direct_entry.cold+0x2c/0x38 # [ 44.848241] full_proxy_write+0x53/0x80 # [ 44.852816] vfs_write+0xe7/0x3b0 # [ 44.863018] ksys_write+0x68/0xf0 # [ 44.867001] do_syscall_64+0x30/0x40 # [ 44.871284] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.883429] RIP: 0033:0x7f4231e05473 # [ 44.887710] Code: 8b 15 21 2a 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<6>[ 53.988241] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 54.000833] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 54.008242] lkdtm: Good: zero detected <6>[ 54.012730] lkdtm: Correctly stayed at zero <6>[ 54.017700] lkdtm: attempting bad refcount_add() from zero <4>[ 54.024122] ------------[ cut here ]------------ <4>[ 54.029571] refcount_t: addition on 0; use-after-free. <4>[ 54.035633] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 24 18 # [ 44.908981] RSP: 002b:00007ffe88711b98 EFLAGS: 0000<4>[ 54.045358] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 54.104344] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0246 ORIG_RAX: 0000000000000001 # [ 44.917721] RAX: fffffffff<4>[ 54.113297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.126608] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 54.132740] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 a3 c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 <4>[ 54.154020] RSP: 0018:ffff9f2602d37e48 EFLAGS: 00010286 <4>[ 54.160149] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 54.168426] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 54.176688] RBP: ffffffffa3401443 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.184944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.193209] R13: ffff9f2602d37f10 R14: ffff9f2602d37f10 R15: ffff8fb1044c3000 <4>[ 54.201475] FS: 00007f067cc28580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 <4>[ 54.210807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.217516] CR2: 00007f067ca32000 CR3: 0000000105bd6003 CR4: 00000000003706e0 <4>[ 54.225778] Call Trace: <4>[ 54.228792] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 54.234078] direct_entry.cold+0x2c/0x38 <4>[ 54.238774] full_proxy_write+0x53/0x80 <4>[ 54.243352] vfs_write+0xe7/0x3b0 <4>[ 54.247367] ksys_write+0x68/0xf0 <4>[ 54.251360] do_syscall_64+0x30/0x40 <4>[ 54.255669] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.261604] RIP: 0033:0x7f067cb3e473 <4>[ 54.265886] Code: 8b 15 21 2a 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>[ 54.287162] RSP: 002b:00007ffd2b2ff158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.295915] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f067cb3e473 <4>[ 54.304181] RDX: 0000000000000012 RSI: 00007f067ca32000 RDI: 0000000000000001 <4>[ 54.312447] RBP: 00007f067ca32000 R08: 00007f067ca31010 R09: 0000000000000000 <4>[ 54.320757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.329020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.337290] irq event stamp: 0 <4>[ 54.341009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.348305] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.357736] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 fffffda RBX: 000000000000000a RCX: 00007f4231e05473 # [ 44.92<4>[ 54.367169] softirqs last disabled at (0): [<0000000000000000>] 0x0 5984] RDX: 000000000000000a RSI: 00007f4231cf9000 RDI: 000000000<4>[ 54.380679] ---[ end trace 235b9893d5bfe507 ]--- <6>[ 54.392346] lkdtm: Zero detected: saturated 0000001 # [ 44.934245] RBP: 00007f4231cf9000 R08: 00007f4231cf8010 R09: 0000000000000000 # [ 44.942507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.950768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.959033] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.018004] CR2: 0000000000000000 # [ 45.021984] ---[ end trace 235b9893d5bfe4f8 ]--- # [ 45.027430] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.032100] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 45.059593] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 45.065719] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.073980] RDX: 0000000000000<6>[ 54.522208] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 54.535137] lkdtm: attempting bad refcount_inc() from saturated <4>[ 54.542055] ------------[ cut here ]------------ <4>[ 54.547509] refcount_t: saturated; leaking memory. <4>[ 54.553179] WARNING: CPU: 2 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 45.082241<4>[ 54.562908] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 54.621872] CPU: 2 PID: 2298 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 54.630847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.637946] RIP: 0010:refcount_warn_saturate+0x51/0x110 ] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000<4>[ 54.644077] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 <4>[ 54.671572] RSP: 0018:ffff9f2602dc7e48 EFLAGS: 00010286 <4>[ 54.677730] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 54.685994] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 <4>[ 54.694260] RBP: ffffffffa3401455 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.702530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 54.710828] R13: ffff9f2602dc7f10 R14: ffff9f2602dc7f10 R15: ffff8fb1059ac000 <4>[ 54.719093] FS: 00007f6042f07580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 001 # [ 45.090502] R10: 00000000ffffe000 R11: 3ffffffffffffff<4>[ 54.728426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.741355] CR2: 00007f6042d11000 CR3: 0000000105b06006 CR4: 00000000003706e0 <4>[ 54.749620] Call Trace: <4>[ 54.752646] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 f R12: 0000000000000004 # [ 45.098764] R13: ffff9f260133ff10 <4>[ 54.758429] direct_entry.cold+0x2c/0x38 <4>[ 54.769322] full_proxy_write+0x53/0x80 <4>[ 54.773928] vfs_write+0xe7/0x3b0 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 45.107027] FS<4>[ 54.777955] ksys_write+0x68/0xf0 : 00007f4231eef580(0000) GS:ffff8fb17ac80000(0000) knlGS:000000<4>[ 54.788163] do_syscall_64+0x30/0x40 <4>[ 54.798662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.804628] RIP: 0033:0x7f6042e1d473 <4>[ 54.808914] Code: 8b 15 21 2a 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>[ 54.830227] RSP: 002b:00007ffcd4ee3108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.838980] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6042e1d473 <4>[ 54.847246] RDX: 0000000000000017 RSI: 00007f6042d11000 RDI: 0000000000000001 <4>[ 54.855512] RBP: 00007f6042d11000 R08: 00007f6042d10010 R09: 0000000000000000 <4>[ 54.863779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.872045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.880333] irq event stamp: 0 0000000000 # [ 45.116349] CS: 0010 DS: 0000 ES: 0000 CR0: 00<4>[ 54.884044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.897548] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.906982] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.916444] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000080050033 # [ 45.123055] CR2: ffffffffffffffd6 CR3: 0000<4>[ 54.923740] ---[ end trace 235b9893d5bfe508 ]--- <6>[ 54.935405] lkdtm: Saturation detected: still saturated 0001044c4005 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 45.267867] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 45.274676] lkdtm: attempting bad read at 00007f3198eb5000 # [ 45.281112] BUG: unable to handle page fault for address: 00007f3198eb5000 # [ 45.295282] #PF: supervisor read access in kernel mode # [ 45.301313] #PF: error_code(0x0001) - permissions violation # [ 45.307819] PGD 80000001058b6067 P4D 80000001058b6067 PUD 105c1d067 PMD 105bd0067 PTE 17adbf067 # [ 45.317835] Oops: 0001 [#12] SMP PTI # [ 45.328330] CPU: 2 PID: 1791 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 45.337273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.344371] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 45.350886] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 22 40 a3 e8 ce d7 fb ff 48 c7 c7 e0 22 40 a3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b5 d7 fb ff 48 89 ee 48 c7 c7 08 23 40 # [ 45.372165] RSP: 0018:ffff9f2602607e48 EFLAGS: 00010246 # [ 45.378292] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 45.386553] RDX: 0000000000000000 RSI<6>[ 55.062250] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED : ffff8fb17ad1bf70 RDI: ffffffffa34022e0 # [ 45.394815] RBP: <6>[ 55.072971] lkdtm: attempting bad refcount_dec() from saturated 00007f3198eb5000 R08: 0000000000000000 R09: 0000000000000000 # <4>[ 55.086093] ------------[ cut here ]------------ [ 45.403076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[ 55.097755] refcount_t: decrement hit 0; leaking memory. 0000000000000011 # [ 45.411339] R13: ffff9f2602607f10 R14: ff<4>[ 55.110230] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ff9f2602607f10 R15: ffff8fb1026ad000 # [ 45.419601] FS: 0000<4>[ 55.126139] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 7f3198e86580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000<4>[ 55.185095] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.180-cip34 #1 000 # [ 45.428933] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008<4>[ 55.200256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0050033 # [ 45.435642] CR2: 00007f3198eb5000 CR3: 0000000105b<4>[ 55.213568] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 55.225913] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 22001 CR4: 00000000003706e0 # [ 45.443904] Call Trace: # [ <4>[ 55.247189] RSP: 0018:ffff9f2602e3fe48 EFLAGS: 00010286 45.446925] direct_entry.cold+0x2c/0x38 # [ 45.451595] full<4>[ 55.259553] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 _proxy_write+0x53/0x80 # [ 45.456169] vfs_write+0xe7/0x3b0 <4>[ 55.274012] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 55.288489] RBP: ffffffffa340146c R08: 0000000000000000 R09: 0000000000000000 # [ 45.460159] ksys_write+0x68/0xf0 # [ 45.464150] do_sys<4>[ 55.296755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.311230] R13: ffff9f2602e3ff10 R14: ffff9f2602e3ff10 R15: ffff8fb105988000 call_64+0x30/0x40 # [ 45.468430] entry_SYSCALL_64_after_hwfr<4>[ 55.319496] FS: 00007f78c74a6580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 55.335036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.341744] CR2: 00007f78c72b0000 CR3: 0000000104320006 CR4: 00000000003706e0 ame+0x61/0xc6 # [ 45.474363] RIP: 0033:0x7f3198d9c473 # [ <4>[ 55.350008] Call Trace: 45.478645] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff<4>[ 55.359243] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 <4>[ 55.371196] direct_entry.cold+0x2c/0x38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec<4>[ 55.382081] full_proxy_write+0x53/0x80 28 48 89 54 24 18 # [ 45.499916] RSP: 002b:00007ffe779da268 <4>[ 55.392873] vfs_write+0xe7/0x3b0 <4>[ 55.403079] ksys_write+0x68/0xf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.508664] RA<4>[ 55.407071] do_syscall_64+0x30/0x40 <4>[ 55.417561] entry_SYSCALL_64_after_hwframe+0x61/0xc6 X: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3198d9c473 <4>[ 55.423519] RIP: 0033:0x7f78c73bc473 <4>[ 55.434009] Code: 8b 15 21 2a 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 # [ 45.516925] RDX: 0000000000000011 RSI: 00007f3198c90000 RD<4>[ 55.455285] RSP: 002b:00007ffd1df7a9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 I: 0000000000000001 # [ 45.525187] RBP: 00007f3198c90000 R08:<4>[ 55.470247] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f78c73bc473 00007f3198c8f010 R09: 0000000000000000 # [ 45.533467] R10: f<4>[ 55.484727] RDX: 0000000000000017 RSI: 00007f78c72b0000 RDI: 0000000000000001 ffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [<4>[ 55.499210] RBP: 00007f78c72b0000 R08: 00007f78c72af010 R09: 0000000000000000 45.541729] R13: 0000000000000001 R14: 0000000000020000 R15: 0<4>[ 55.513687] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.528164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000020000 # [ 45.549996] Modules linked in: fuse ip_tab<4>[ 55.536433] irq event stamp: 0 les cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indus<4>[ 55.546334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 trialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 c<4>[ 55.559842] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.575486] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sys<4>[ 55.584915] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.598423] ---[ end trace 235b9893d5bfe509 ]--- fs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc <6>[ 55.603872] lkdtm: Saturation detected: still saturated cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.602789] CR2: 00007f3198eb5000 # [ 45.612992] ---[ end trace 235b9893d5bfe4f9 ]--- # [ 45.618439] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.623109] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 45.644385] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 45.650503] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.658765] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 45.667026] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 45.675287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.683547] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 45.691808] FS: 00007f3198e86580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 45.701137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.707844] CR2: 00007f3198eb50<6>[ 55.736652] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00 CR3: 0000000105b22001 CR4: 00000000003706e0 # [ 45.716107]<6>[ 55.747722] lkdtm: attempting bad refcount_dec() from saturated BUG: sleeping function called from invalid context at include/l<4>[ 55.760844] ------------[ cut here ]------------ inux/percpu-rwsem.h:49 # [ 45.726302] in_atomic(): 0, irqs_di<4>[ 55.772504] refcount_t: saturated; leaking memory. sabled(): 1, non_block: 0, pid: 1791, name: cat # [ 45.735048<4>[ 55.784397] WARNING: CPU: 1 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ] INFO: lockdep is turned off. # [ 45.739714] irq event stamp<4>[ 55.800300] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table : 0 # [ 45.743425] hardirqs last enabled at (0): [<000000000<4>[ 55.859282] CPU: 1 PID: 2368 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0000000>] 0x0 # [ 45.750716] hardirqs last disabled at (0): [<4>[ 55.874433] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] copy_process+0x664/0x1c60 # [ 45.760143] <4>[ 55.887741] RIP: 0010:refcount_warn_saturate+0x51/0x110 softirqs last enabled at (0): [] copy_process<4>[ 55.900082] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 <4>[ 55.927574] RSP: 0018:ffff9f2602e9fe48 EFLAGS: 00010286 +0x664/0x1c60 # [ 45.769570] softirqs last disabled at (0): [<4>[ 55.933703] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 55.948177] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <0000000000000000>] 0x0 # [ 45.776861] CPU: 2 PID: 1791 Comm:<4>[ 55.956442] RBP: ffffffffa3401483 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.970914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 cat Tainted: G D W 5.10.180-cip34 #1 # [ 45.785<4>[ 55.979179] R13: ffff9f2602e9ff10 R14: ffff9f2602e9ff10 R15: ffff8fb1047e1000 <4>[ 55.993651] FS: 00007f1d07a40580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 803] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 56.002986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.015906] CR2: 00007f1d0784a000 CR3: 000000010490a003 CR4: 00000000003706e0 45.792899] Call Trace: # [ 45.795917] dump_stack+0x77/0x9b<4>[ 56.024170] Call Trace: # [ 45.799908] ___might_sleep.cold+0xa6/0xb6 # [ 45.8047<4>[ 56.033427] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 72] exit_signals+0x1c/0x300 # [ 45.809053] do_exit+0xc2/0xa<4>[ 56.045378] direct_entry.cold+0x2c/0x38 b0 # [ 45.812849] ? ksys_write+0x68/0xf0 # [ 45.817032] <4>[ 56.056267] full_proxy_write+0x53/0x80 make_task_dead+0x2f/0x30 # [ 45.821425] rewind_stack_and_mak<4>[ 56.067058] vfs_write+0xe7/0x3b0 e_dead+0x17/0x20 # [ 45.826966] RIP: 0033:0x7f3198d9c473 # [<4>[ 56.077264] ksys_write+0x68/0xf0 45.831245] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<4>[ 56.087475] do_syscall_64+0x30/0x40 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[ 56.097972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[ 56.110122] RIP: 0033:0x7f1d07956473 <4>[ 56.120618] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ec 28 48 89 54 24 18 # [ 45.852523] RSP: 002b:00007ffe779da2<4>[ 56.141897] RSP: 002b:00007ffcabc3a5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.156854] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1d07956473 68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.861262]<4>[ 56.165119] RDX: 0000000000000017 RSI: 00007f1d0784a000 RDI: 0000000000000001 <4>[ 56.179591] RBP: 00007f1d0784a000 R08: 00007f1d07849010 R09: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3198d9c4<4>[ 56.187858] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.202330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 73 # [ 45.869526] RDX: 0000000000000011 RSI: 00007f3198c90000<4>[ 56.210602] irq event stamp: 0 <4>[ 56.220504] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RDI: 0000000000000001 # [ 45.877786] RBP: 00007f3198c90000 R<4>[ 56.227798] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 08: 00007f3198c8f010 R09: 0000000000000000 # [ 45.886046] R10<4>[ 56.243436] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.259081] softirqs last disabled at (0): [<0000000000000000>] 0x0 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.266376] ---[ end trace 235b9893d5bfe50a ]--- <6>[ 56.278036] lkdtm: Saturation detected: still saturated # [ 45.894307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 46.019119] lkdtm: Performing direct entry ACCESS_NULL # [ 46.026742] lkdtm: attempting bad read at 0000000000000000 # [ 46.033219] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 46.041301] #PF: supervisor read access in kernel mode # [ 46.053536] #PF: error_code(0x0000) - not-present page # [ 46.059565] PGD 0 P4D 0 # [ 46.062684] Oops: 0000 [#13] SMP PTI # [ 46.073179] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 46.082120] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.089221] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 46.100981] Code: 72 d7 fb ff be 00 10 00 00 48 89 ef e8 10 65 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 22 40 a3 e8 4c d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 22 40 a3 48 01 # [ 46.122258] RSP: 0018:ffff9f260265fe58 EFLAGS: 00010246 # [ 46.128383] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 46.136646] RDX: 0000000000000000 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 46.144900] RBP: ffffffffa34013a9 R08: 0000000000000000 R09: 0000000000000000 # [ 46.153162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 46.161423] R13: ffff9f260265ff10 R14: ffff9f260265ff10 R15: ffff8fb106a5b000 # [ 46.169687] FS: 00007f426a794580(0000) GS:ffff8fb17ad<6>[ 56.435968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 56.448106] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 56.455903] ------------[ cut here ]------------ 00000(0000) knlGS:0000000000000000 # [ 46.179017] CS: 0010 D<4>[ 56.461361] refcount_t: saturated; leaking memory. S: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.185724] CR2: 00<4>[ 56.473231] WARNING: CPU: 3 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000000 CR3: 000000010478a002 CR4: 00000000003706e0 # [ <4>[ 56.489160] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 56.548182] CPU: 3 PID: 2400 Comm: cat Tainted: G D W 5.10.180-cip34 #1 46.193987] Call Trace: # [ 46.197007] direct_entry.cold+0x<4>[ 56.557139] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.570450] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 56.576580] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 <4>[ 56.597859] RSP: 0018:ffff9f2602f27e38 EFLAGS: 00010282 <4>[ 56.603986] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 56.612242] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 56.620506] RBP: ffffffffa34010b0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.628771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.637035] R13: ffff9f2602f27f10 R14: ffff9f2602f27f10 R15: ffff8fb1042d8000 <4>[ 56.645301] FS: 00007f8069ea6580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 56.654631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.661339] CR2: 00007f8069cb0000 CR3: 0000000103d1c001 CR4: 00000000003706e0 <4>[ 56.669592] Call Trace: <4>[ 56.672615] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.679061] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 56.685674] direct_entry.cold+0x2c/0x38 <4>[ 56.690346] full_proxy_write+0x53/0x80 <4>[ 56.694947] vfs_write+0xe7/0x3b0 <4>[ 56.698963] ksys_write+0x68/0xf0 <4>[ 56.702956] do_syscall_64+0x30/0x40 <4>[ 56.707239] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.713173] RIP: 0033:0x7f8069dbc473 <4>[ 56.717476] Code: 8b 15 21 2a 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>[ 56.738753] RSP: 002b:00007ffde91426e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.747506] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8069dbc473 2c/0x38 # [ 46.201679] full_proxy_write+0x53/0x80 # [ 46.<4>[ 56.755771] RDX: 0000000000000020 RSI: 00007f8069cb0000 RDI: 0000000000000001 <4>[ 56.770250] RBP: 00007f8069cb0000 R08: 00007f8069caf010 R09: 0000000000000000 <4>[ 56.778515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.786778] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.795039] irq event stamp: 0 <4>[ 56.798769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.806062] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.815493] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.824923] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.832216] ---[ end trace 235b9893d5bfe50b ]--- <6>[ 56.837663] lkdtm: Saturation detected: still saturated 206252] vfs_write+0xe7/0x3b0 # [ 46.210243] ksys_write+0x68/0xf0 # [ 46.214232] do_syscall_64+0x30/0x40 # [ 46.218512] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.224444] RIP: 0033:0x7f426a6aa473 # [ 46.228746] Code: 8b 15 21 2a 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 # [ 46.250014] RSP: 002b:00007fff599e6018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.258763] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f426a6aa473 # [ 46.267024] RDX: 000000000000000c RSI: 00007f426a59e000 RDI: 0000000000000001 # [ 46.275286] RBP: 00007f426a59e000 R08: 00007f426a59d010 R09: 0000000000000000 # [ 46.283547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.291810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.300075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core vide<6>[ 56.962187] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 56.976143] lkdtm: attempting bad refcount_add_not_zero() from saturated obuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_therm<4>[ 56.983936] ------------[ cut here ]------------ <4>[ 56.995590] refcount_t: saturated; leaking memory. <4>[ 57.001260] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 al cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c<4>[ 57.010984] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 57.069949] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 57.078922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.086022] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 57.092150] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 _hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight co<4>[ 57.113443] RSP: 0018:ffff9f2602fcfe38 EFLAGS: 00010282 <4>[ 57.125781] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 57.134049] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 <4>[ 57.142314] RBP: ffffffffa34010d0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.150581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.158844] R13: ffff9f2602fcff10 R14: ffff9f2602fcff10 R15: ffff8fb103f59000 <4>[ 57.167111] FS: 00007f92c61aa580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 <4>[ 57.176443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.183175] CR2: 00007f92c5fb4000 CR3: 0000000104338004 CR4: 00000000003706e0 <4>[ 57.191438] Call Trace: <4>[ 57.194478] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 57.200929] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 57.207574] direct_entry.cold+0x2c/0x38 <4>[ 57.212279] full_proxy_write+0x53/0x80 <4>[ 57.216885] vfs_write+0xe7/0x3b0 <4>[ 57.220908] ksys_write+0x68/0xf0 <4>[ 57.224903] do_syscall_64+0x30/0x40 <4>[ 57.229216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.235153] RIP: 0033:0x7f92c60c0473 <4>[ 57.239479] Code: 8b 15 21 2a 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>[ 57.260758] RSP: 002b:00007ffdd2eebd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.269541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92c60c0473 <4>[ 57.277805] RDX: 0000000000000020 RSI: 00007f92c5fb4000 RDI: 0000000000000001 <4>[ 57.286070] RBP: 00007f92c5fb4000 R08: 00007f92c5fb3010 R09: 0000000000000000 <4>[ 57.294335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.302599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.310871] irq event stamp: 0 <4>[ 57.314600] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.321896] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 57.331358] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 reboot_table # [ 46.359077] CR2: 0000000000000000 # [ 46.3<4>[ 57.340791] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.354301] ---[ end trace 235b9893d5bfe50c ]--- 63067] ---[ end trace 235b9893d5bfe4fa ]--- # [ 46.368505] RI<6>[ 57.359748] lkdtm: Saturation detected: still saturated P: 0010:lkdtm_BUG+0x5/0x10 # [ 46.373174] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 46.394470] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 46.400587] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.408849] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 46.417110] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 46.425372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.433633] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 46.441894] FS: 00007f426a794580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 46.451224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.457932] CR2: 0000000000000000 CR3: 000000010478a002 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 46.590205] lkdtm: Performing direct entry WRITE_RO # [ 46.596316] lkdtm: attempting bad rodata write at ffffffffa2f7e8f0 # [ 46.609745] BUG: unable to handle page fault for address: ffffffffa2f7e8f0 # [ 46.623905] #PF: supervisor write access in kernel mode # [ 46.630030] #PF: error_code(0x0003) - permissions violation # [ 46.636544] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 80000000304000e1 # [ 46.644330] Oops: 0003 [#14] SMP PTI # [ 46.648611] CPU: 0 PID: 1861 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 46.657552] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.664652] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 46.669909] Code: 00 48 c7 c7 98 21 40 a3 48 c7 c6 f0 e8 f7 a2 e8 f6 d9 fb ff 48 8b 05 6a 02 94 00 ba 34 12 cd ab 48 c7 c7 c8 21 40 a3 48 31 d0 <48> 89 05 54 02 94 00 e9 d4 d9 fb ff 0f 1f 44 00 00 48 8b 05 83 8c # [ 46.691187] RSP: 0018:ffff9f26026dfe60 EFLAGS: 00010202 # [ 46.697313] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 46.705575] RDX: 00000000abcd1234 RSI: ffff8fb17ac1bf70 RDI: ffffffffa34021c8 # [ 46.713837] RBP: ffffffffa34013b5 R08: 0000000000000000 R09: 0000000000000000 # [ 46.722099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 46.730363] R13: ffff9f26026dff10 R14: ffff9f26026dff10 R15: ffff8fb105b66000 # [ 46.738616] FS: 00007f1e804b1580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 46.747948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.754648] CR2: ffffffffa2f7e8f0 CR3: 000000010274c005 CR4: 00000000003706f0 # [ 46.762908] Call Trace: # [ 46.765928] direct_entry.cold+0x2c/0x38 # [ 46.770606] full_proxy_write+0x53/0x80 # [ 46.775185] vfs_write+0xe7/0x3b0 # [ 46.779180] ksys_write+0x68/0xf0 # [ 46.783172] do_syscall_64+0x30/0x40 # [ 46.787457] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.793390] RIP: 0033:0x7f1e803c7473 # [ 46.797670] Code: 8b 15 21 2a 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 # [ 46.818947] RSP: 002b:00007ffe708e7ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.827695] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1e803c7473 # [ 46.835957] RDX: 0000000000000009 RSI: 00007f1e802bb000 RDI: 0000000000000001 # [ 46.844218] RBP: 00007f1e802bb000 R08: 00007f1e802ba010 R09: 0000000000000000 # [ 46.852479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.860742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.869008] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.921789] CR2: ffffffffa2f7e8f0 # [ 46.925778] ---[ end trace 235b9893d5bfe4fb ]--- # [ 46.931226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.935895] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 46.957172] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 46.963287] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.971548] RDX: 0000000000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 46.979810] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 46.988071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.996332] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 47.004595] FS: 00007f1e804b1580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 47.013915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.020622] CR2: ffffffffa2f7e8f0 CR3: 000000010274c005 CR4: 00000000003706f0 # [ 47.028883] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.039088] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat # [ 47.047825] INFO: lockdep is turned off. # [ 47.052493] irq event stamp: 0 # [ 47.056190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.063483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.072912] softirqs last enabled at (0): [] copy_pro<6>[ 57.959342] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED cess+0x664/0x1c60 # [ 47.082341] softirqs last disabled at (0<6>[ 57.971860] lkdtm: attempting bad refcount_dec_and_test() from saturated ): [<0000000000000000>] 0x0 # [ 47.089623] CPU: 0 PID: 1861 C<4>[ 57.985874] ------------[ cut here ]------------ <4>[ 57.997516] refcount_t: underflow; use-after-free. omm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 47<4>[ 58.003193] WARNING: CPU: 1 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 .098566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.019094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.105662] Call Trace: # [ 47.108681] dump_stack+0x77/<4>[ 58.078055] CPU: 1 PID: 2467 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0x9b # [ 47.112671] ___might_sleep.cold+0xa6/0xb6 # [ 47.<4>[ 58.093213] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 117541] exit_signals+0x1c/0x300 # [ 47.121828] do_exit+0xc2<4>[ 58.106527] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 58.118869] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 /0xab0 # [ 47.125623] ? ksys_write+0x68/0xf0 # [ 47.12980<4>[ 58.140174] RSP: 0018:ffff9f2603037e40 EFLAGS: 00010286 <4>[ 58.152512] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 6] make_task_dead+0x2f/0x30 # [ 47.134176] rewind_stack_and<4>[ 58.160804] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 <4>[ 58.175279] RBP: ffffffffa34010f0 R08: 0000000000000000 R09: 0000000000000000 _make_dead+0x17/0x20 # [ 47.139719] RIP: 0033:0x7f1e803c7473 <4>[ 58.183569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.198040] R13: ffff9f2603037f10 R14: ffff9f2603037f10 R15: ffff8fb103203000 # [ 47.143992] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c<4>[ 58.206308] FS: 00007fe17e789580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 <4>[ 58.221850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14<4>[ 58.228587] CR2: 00007fe17e593000 CR3: 0000000103d94003 CR4: 00000000003706e0 <4>[ 58.243058] Call Trace: b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4<4>[ 58.246084] __refcount_sub_and_test.constprop.0+0x3c/0x50 8 83 ec 28 48 89 54 24 18 # [ 47.165269] RSP: 002b:00007ffe70<4>[ 58.258719] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 8e7ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.174<4>[ 58.271547] direct_entry.cold+0x2c/0x38 008] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f1e80<4>[ 58.282432] full_proxy_write+0x53/0x80 3c7473 # [ 47.182261] RDX: 0000000000000009 RSI: 00007f1e802b<4>[ 58.293219] vfs_write+0xe7/0x3b0 b000 RDI: 0000000000000001 # [ 47.190523] RBP: 00007f1e802bb0<4>[ 58.303428] ksys_write+0x68/0xf0 00 R08: 00007f1e802ba010 R09: 0000000000000000 # [ 47.198783]<4>[ 58.313661] do_syscall_64+0x30/0x40 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000<4>[ 58.324157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 01 # [ 47.207043] R13: 0000000000000001 R14: 0000000000020000<4>[ 58.336286] RIP: 0033:0x7fe17e69f473 <4>[ 58.346784] Code: 8b 15 21 2a 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 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39<4>[ 58.368060] RSP: 002b:00007ffd999ac518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.383019] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe17e69f473 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFT<4>[ 58.391282] RDX: 0000000000000020 RSI: 00007fe17e593000 RDI: 0000000000000001 <4>[ 58.405752] RBP: 00007fe17e593000 R08: 00007fe17e592010 R09: 0000000000000000 ER_INIT.sh # Killed # [ 47.338532] lkdtm: Performing direct <4>[ 58.414015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.428494] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 entry WRITE_RO_AFTER_INIT # [ 47.346500] lkdtm: attempting ba<4>[ 58.436763] irq event stamp: 0 <4>[ 58.446668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d ro_after_init write at ffffffffa3487330 # [ 47.360595] BUG:<4>[ 58.453965] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 58.469599] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 unable to handle page fault for address: ffffffffa3487330 # [ <4>[ 58.479029] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.492531] ---[ end trace 235b9893d5bfe50d ]--- 47.374741] #PF: supervisor write access in kernel mode # [ <6>[ 58.497979] lkdtm: Saturation detected: still saturated 47.380858] #PF: error_code(0x0003) - permissions violation # [ 47.387362] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 10588f063 PTE 8000000030a87061 # [ 47.396410] Oops: 0003 [#15] SMP PTI # [ 47.400691] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 47.409623] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.416724] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 47.423049] Code: 21 40 a3 e9 a8 d9 fb ff 48 c7 c7 20 22 40 a3 e8 9c d9 fb ff 48 8b 05 50 8c e4 00 ba 34 12 cd ab 48 c7 c7 c8 21 40 a3 48 31 d0 <48> 89 05 3a 8c e4 00 e9 7a d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 47.444325] RSP: 0018:ffff9f260276fe60 EFLAGS: 00010202 # [ 47.450451] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 47.458705] RDX: 00000000abcd1234 RSI: ffff8fb17ac1bf70 RDI: ffffffffa34021c8 # [ 47.466967] RBP: ffffffffa34013be R08: 0000000000000000 R09: 0000000000000000 # [ 47.475229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 47.483490] R13: ffff9f260276ff10 R14: ffff9f260276ff10 R15: ffff8fb103c1e000 # [ 47.491752] FS: 00007f7c9eed4580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 47.501081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.507788] CR2: ffffffffa3487330 CR3: 0000000103212005 CR4: 00000000003706f0 # [ 47.516050] Call Trace: # [ 47.519069] direct_entry.cold+0x2c/0x38 # [ 47.523745] full_pro<6>[ 58.651196] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED xy_write+0x53/0x80 # [ 47.528323] vfs_write+0xe7/0x3b0 # [ <6>[ 58.661482] lkdtm: attempting bad refcount_sub_and_test() from saturated 47.532318] ksys_write+0x68/0xf0 # [ 47.536310] do_syscall<4>[ 58.675469] ------------[ cut here ]------------ _64+0x30/0x40 # [ 47.540596] entry_SYSCALL_64_after_hwframe+<4>[ 58.687130] refcount_t: underflow; use-after-free. 0x61/0xc6 # [ 47.546527] RIP: 0033:0x7f7c9edea473 # [ 47.5<4>[ 58.699015] WARNING: CPU: 1 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 50799] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 58.714927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0<4>[ 58.773875] CPU: 1 PID: 2502 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 <4>[ 58.789035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 48 89 54 24 18 # [ 47.572077] RSP: 002b:00007ffe7d38d8f8 EFLA<4>[ 58.802349] RIP: 0010:refcount_warn_saturate+0xba/0x110 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.580826] RAX: f<4>[ 58.814691] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 fffffffffffffda RBX: 0000000000000014 RCX: 00007f7c9edea473 # [<4>[ 58.842179] RSP: 0018:ffff9f26030e7e40 EFLAGS: 00010286 47.589088] RDX: 0000000000000014 RSI: 00007f7c9ecde000 RDI: 0<4>[ 58.854525] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 000000000000001 # [ 47.597350] RBP: 00007f7c9ecde000 R08: 000<4>[ 58.869003] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 07f7c9ecdd010 R09: 0000000000000000 # [ 47.605612] R10: fffff<4>[ 58.883480] RBP: ffffffffa3401110 R08: 0000000000000000 R09: 0000000000000000 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 4<4>[ 58.897958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 7.613876] R13: 0000000000000001 R14: 0000000000020000 R15: 00000<4>[ 58.912435] R13: ffff9f26030e7f10 R14: ffff9f26030e7f10 R15: ffff8fb1044d4000 00000020000 # [ 47.622141] Modules linked in: fuse ip_tables <4>[ 58.926917] FS: 00007f1464cd0580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industria<4>[ 58.942463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_<4>[ 58.955391] CR2: 00007f1464ada000 CR3: 0000000106904003 CR4: 00000000003706e0 <4>[ 58.969867] Call Trace: ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs c<4>[ 58.972892] __refcount_sub_and_test.constprop.0+0x3c/0x50 ros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros<4>[ 58.985518] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 _ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_com<4>[ 58.998350] direct_entry.cold+0x2c/0x38 press gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vi<4>[ 59.009236] full_proxy_write+0x53/0x80 deobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pst<4>[ 59.020025] vfs_write+0xe7/0x3b0 ore cros_kbd_led_backlight coreboot_table # [ 47.674927] CR2:<4>[ 59.030231] ksys_write+0x68/0xf0 ffffffffa3487330 # [ 47.678915] ---[ end trace 235b9893d5bfe<4>[ 59.040439] do_syscall_64+0x30/0x40 4fc ]--- # [ 47.684363] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 4<4>[ 59.050933] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7.689033] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff ff eb de <4>[ 59.063083] RIP: 0033:0x7f1464be6473 <4>[ 59.073579] Code: 8b 15 21 2a 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 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0<4>[ 59.094859] RSP: 002b:00007ffdebf72808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.109817] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1464be6473 f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4>[ 59.118081] RDX: 0000000000000020 RSI: 00007f1464ada000 RDI: 0000000000000001 83 05 00 7b ea 02 # [ 47.710312] RSP: 0018:ffff9f260133fe60 E<4>[ 59.132552] RBP: 00007f1464ada000 R08: 00007f1464ad9010 R09: 0000000000000000 <4>[ 59.147029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 FLAGS: 00010282 # [ 47.716430] RAX: ffffffffa1f790b0 RBX: 000<4>[ 59.155294] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000001 RCX: 0000000000000000 # [ 47.724691] RDX: 00000<4>[ 59.169771] irq event stamp: 0 <4>[ 59.179683] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 4<4>[ 59.186976] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.202612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 7.732952] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 00000<4>[ 59.212045] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000001 # [ 47.741213] R10: 00000000ffffe000 R11: 3ffffff<4>[ 59.225554] ---[ end trace 235b9893d5bfe50e ]--- fffffffff R12: 0000000000000004 # [ 47.749476] R13: ffff9f260<6>[ 59.237218] lkdtm: Saturation detected: still saturated 133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 47.757738] FS: 00007f7c9eed4580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 47.767060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.773770] CR2: ffffffffa3487330 CR3: 0000000103212005 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 47.945043] lkdtm: Performing direct entry WRITE_KERN # [ 47.955789] lkdtm: attempting bad 7098752 byte write at ffffffffa263e600 # [ 47.963605] BUG: unable to handle page fault for address: ffffffffa263e600 # [ 47.971583] #PF: supervisor write access in kernel mode # [ 47.983923] #PF: error_code(0x0003) - permissions violation # [ 47.990439] PGD 30c29067 P4D 30c29067 PUD 30c2a063 PMD 2fc000e1 # [ 47.997445] Oops: 0003 [#16] SMP PTI # [ 48.007940] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 48.016882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.023983] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 48.029430] Code: 53 48 c7 c3 00 e6 63 a2 49 89 dc 48 89 da 49 81 ec 80 94 f7 a1 4c 89 e6 e8 4f d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 94 f7 a1 a4 48 c7 c7 c8 21 40 a3 e8 34 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 48.050702] RSP: 0018:ffff9f260282fe50 EFLAGS: 00010246 # [ 48.056829] RAX: 000000000000003c RBX: ffffffffa263e600 RCX: 00000000006c5180 # [ 48.065089] RDX: 0000000000000000 RSI: ffffffffa1f79480 RDI: ffffffffa263e600 # [ 48.073353] RBP: ffffffffa34013d2 R08: 0000000000000000 R09: 0000000000000000 # [ 48.081614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c5180 # [ 48.089876] R13: ffff9f260282ff10 R14: ffff9f260282ff10 R15: ffff8fb1030a6000 # [ 48.098138] FS: 00007fadd5305580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 48.107470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.114178] CR2: ffffffffa263e600 CR3: 00000001058b6001 CR4: 00000000003706e0 # [ 48.122439] Call Trace: # [ 48.125478] direct_entry.cold+0x2c/0x38 # [ 48.130150] full_proxy_write+0x53/0x80 # [ 48.134724] vfs_write+0xe7/0x3b0 # [ 48.138714] ksys_write+0x68/0xf0 # [ 48.142706] do_syscall_64+0x30/0x40 # [ 48.146987] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.152918] RIP: 0033:0x7fadd521b473 # [ 48.157199] Code: 8b 15 21 2a 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 # [ 48.178478] RSP: 002b:00007ffeeaeb1ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.187227] RAX: ffffffff<6>[ 59.517071] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO ffffffda RBX: 000000000000000b RCX: 00007fadd521b473 # [ 48.1<6>[ 59.525412] lkdtm: attempting good copy_to_user of correct size 95491] RDX: 000000000000000b RSI: 00007fadd510f000 RDI: 00000000<6>[ 59.538531] lkdtm: attempting bad copy_to_user of too large size 00000001 # [ 48.203752] RBP: 00007fadd510f000 R08: 00007fadd510e010 R09: 0000000000000000 # [ 48.212015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.220276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.228541] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.287546] CR2: ffffffffa263e600 # [ 48.291535] ---[ end trace 235b9893d5bfe4fd ]--- # [ 48.296983] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.301653] Code: 89 ff e8 ae ea 79 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 00 7b ea 02 # [ 48.322930] RSP: 0018:ffff9f260133fe60 EFLAGS: 00010282 # [ 48.329057] RAX: ffffffffa1f790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.337318] RDX: 000000000000<6>[ 59.680115] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 59.689462] lkdtm: attempting good copy_from_user of correct size <6>[ 59.696597] lkdtm: attempting bad copy_from_user of too large size 0000 RSI: ffff8fb17ad9bf70 RDI: ffffffffa2f7e470 # [ 48.345580] RBP: ffffffffa3465960 R08: 0000000000000001 R09: 0000000000000001 # [ 48.353842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.362103] R13: ffff9f260133ff10 R14: ffff9f260133ff10 R15: ffff8fb1030b8000 # [ 48.370366] FS: 00007fadd5305580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 48.379697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.386420] CR2: ffffffffa263e600 CR3: 00000001058b6001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 48.521952] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 48.532247] lkdtm: attempting good refcount_inc() without overflow # [ 48.539468] lkdtm: attempting bad refcount_inc() overflow # [ 48.551996] ------------[ cut here ]------------ # [ 48.557450] refcount_t: saturated; leaking memory. # [ 48.563104] WARNING: CPU: 3 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.572832] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debu<6>[ 59.828443] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 59.841970] lkdtm: attempting good copy_to_user inside whitelist <6>[ 59.848992] lkdtm: attempting bad copy_to_user outside whitelist gfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.631840] CPU: 3 PID: 1966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 48.640784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.647875] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.654002] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 # [ 48.675284] RSP: 0018:ffff9f26028a7e48 EFLAGS: 00010286 # [ 48.681427] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 48.689694] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 48.704172] RBP: ffffffffa34013dd R08: 0000000000000000 R09: 0000000000000000 # [ 48.712436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.720700] R13: ffff9f26028a7f10 R14: ffff9f26028a7f10 R15: ffff8fb105c88000 # [ 48.728955] FS: 00007f117627a580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 48.738289] CS: 0010 DS: 0000 <6>[ 59.981913] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 59.994224] lkdtm: attempting good copy_from_user inside whitelist ES: 0000 CR0: 0000000080050033 # [ 48.745000] CR2: 00007f1176<6>[ 60.001458] lkdtm: attempting bad copy_from_user outside whitelist 084000 CR3: 00000001046a6004 CR4: 00000000003706e0 # [ 48.753266] Call Trace: # [ 48.756288] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 48.761956] direct_entry.cold+0x2c/0x38 # [ 48.766653] full_proxy_write+0x53/0x80 # [ 48.771253] vfs_write+0xe7/0x3b0 # [ 48.775268] ksys_write+0x68/0xf0 # [ 48.779260] do_syscall_64+0x30/0x40 # [ 48.783543] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.789478] RIP: 0033:0x7f1176190473 # [ 48.793763] Code: 8b 15 21 2a 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 # [ 48.821263] RSP: 002b:00007ffef3f2c308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.830013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1176190473 # [ 48.838275] RDX: 0000000000000016 RSI: 00007f1176084000 RDI: 0000000000000001 # [ 48.846539] RBP: 00007f1176084000 R08: 00007f1176083010 R09: 0000000000000000 # [ 48.854802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.863072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.871372] irq event stamp: 0 # [ 48.881275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.888570] hardirqs last disabled at (0): <6>[ 60.139622] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 60.152615] lkdtm: good_stack: ffff9f260348fe20-ffff9f260348fe40 <6>[ 60.159629] lkdtm: bad_stack : ffff9f260348fda8-ffff9f260348fdc8 <6>[ 60.166644] lkdtm: attempting good copy_to_user of local stack <6>[ 60.173479] lkdtm: attempting bad copy_to_user of distant stack [] copy_process+0x664/0x1c60 # [ 48.898000] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.907433] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.914728] ---[ end trace 235b9893d5bfe4fe ]--- # [ 48.926389] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 49.034705] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 49.044433] lkdtm: attempting good refcount_add() without overflow # [ 49.057846] lkdtm: attempting bad refcount_add() overflow # [ 49.070376] ------------[ cut here ]------------ # [ 49.075826] refcount_t: saturated; leaking memory. # [ 49.087699] WARNING: CPU: 1 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.103623] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regm<6>[ 60.306221] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM ap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_ba<6>[ 60.318479] lkdtm: good_stack: ffff9f260352fe20-ffff9f260352fe40 cklight coreboot_table # [ 49.162614] CPU: 1 PID: 1998 Comm: <6>[ 60.331718] lkdtm: bad_stack : ffff9f260352fda8-ffff9f260352fdc8 cat Tainted: G D W 5.10.180-cip34 #1 # [ 49.1777<6>[ 60.344951] lkdtm: attempting good copy_from_user of local stack 53] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <6>[ 60.358208] lkdtm: attempting bad copy_from_user of distant stack 49.191067] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.203428] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 # [ 49.230925] RSP: 0018:ffff9f260290fe48 EFLAGS: 00010286 # [ 49.243268] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 49.257747] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 49.272227] RBP: ffffffffa34013f3 R08: 0000000000000000 R09: 0000000000000000 # [ 49.286708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.301185] R13: ffff9f260290ff10 R14: ffff9f260290ff10 R15: ffff8fb1042f4000 # [ 49.315667] FS: 00007f97ee30e580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 49.331215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.344142] CR2: 00007f97ee118000 CR3: 00000001058b6004 CR4: 00000000003706e0 # [ 49.358623] Call Trace: # [ 49.367865] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 49.379727] direct_entry.cold+0x2c/0x38 # [ 49.390614] full_proxy_write+0x53/0x80 # [ 49.401408] vfs_write+0xe7/0x3b0 # [ 49.411616] ksys_write+0x68/0xf0 # [ 49.415615] do_syscall_64+0x30/0x40 # [ 49.426107] entry_SYSCALL_64_af<6>[ 60.500170] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 60.508999] lkdtm: good_stack: ffff9f26035c7e20-ffff9f26035c7e40 <6>[ 60.516033] lkdtm: bad_stack : ffff9f26035c7ff8-ffff9f26035c8018 ter_hwframe+0x61/0xc6 # [ 49.432068] RIP: 0033:0x7f97ee224473<6>[ 60.523080] lkdtm: attempting good copy_to_user of local stack <6>[ 60.536087] lkdtm: attempting bad copy_to_user of distant stack <4>[ 60.543006] lkdtm: copy_to_user failed, but lacked Oops # [ 49.442561] Code: 8b 15 21 2a 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 # [ 49.463846] RSP: 002b:00007ffc446cdba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.478808] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f97ee224473 # [ 49.493285] RDX: 0000000000000016 RSI: 00007f97ee118000 RDI: 0000000000000001 # [ 49.501553] RBP: 00007f97ee118000 R08: 00007f97ee117010 R09: 0000000000000000 # [ 49.516029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.524292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.538768] irq event stamp: 0 # [ 49.548703] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.562211] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.577856] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.587286] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.600789] ---[ end trace 235b9893d5bfe4ff ]--- # [ 49.606235] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: <6>[ 60.673081] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 60.680059] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2f7e910 <6>[ 60.689020] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa16e12e0 <3>[ 60.697688] lkdtm: FAIL: survived bad copy_to_user() lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 49.726874] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 49.737547] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 49.744780] ------------[ cut here ]------------ # [ 49.750264] refcount_t: saturated; leaking memory. # [ 49.762133] WARNING: CPU: 2 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.778058] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.837085] CPU: 2 PID: 2030 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 49.846032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.859341] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.865468] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 <6>[ 60.830621] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 60.840711] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 60.848904] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 60.856980] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 60.863991] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 60.872932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.880026] Call Trace: <4>[ 60.883048] dump_stack+0x77/0x9b <4>[ 60.887039] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 60.892485] direct_entry.cold+0x2c/0x38 <4>[ 60.897152] full_proxy_write+0x53/0x80 <4>[ 60.901716] vfs_write+0xe7/0x3b0 <4>[ 60.905704] ksys_write+0x68/0xf0 <4>[ 60.909694] do_syscall_64+0x30/0x40 <4>[ 60.913972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.919902] RIP: 0033:0x7f4cebd5d473 <4>[ 60.924181] Code: 8b 15 21 2a 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>[ 60.945447] RSP: 002b:00007ffcc1f3edb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.954194] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4cebd5d473 <4>[ 60.962472] RDX: 0000000000000012 RSI: 00007f4cebc51000 RDI: 0000000000000001 <4>[ 60.970722] RBP: 00007f4cebc51000 R08: 00007f4cebc50010 R09: 0000000000000000 <4>[ 60.978982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.987241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 # [ 49.886789] RSP: 0018:ffff9f260299fe38 EFLAGS: 00010282 # [ 49.892917] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.901182] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 49.909446] RBP: ffffffffa3401030 R08: 0000000000000000 R09: 0000000000000000 # [ 49.917711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.925975] R13: ffff9f260299ff10 R14: ffff9f260299ff10 R15: ffff8fb10692f000 # [ 49.934238] FS: 00007fe5fd8e5580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 49.943571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.950273] CR2: 00007fe5fd6ef000 CR3: 00000001030a2002 CR4: 00000000003706e0 # [ 49.958537] Call Trace: # [ 49.961561] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.968006] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.974523] direct_entry.cold+0x2c/0x38 # [ 49.979197] full_proxy_write+0x53/0x80 # [ 49.983771] vfs_write+0xe7/0x3b0 # [ 49.987787] ksys_write+0x68/0xf0 # [ 49.991780] do_syscall_64+0x30/0x40 # [ 49.996063] <6>[ 61.113221] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 61.120494] lkdtm: Calling matched prototype ... <6>[ 61.125965] lkdtm: Calling mismatched prototype ... entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.001997] RIP:<6>[ 61.131725] lkdtm: Fail: survived mismatched prototype function call! 0033:0x7fe5fd7fb473 # [ 50.006278] Code: 8b 15 21 2a 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 # [ 50.027556] RSP: 002b:00007ffde9526138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.036304] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe5fd7fb473 # [ 50.044568] RDX: 000000000000001f RSI: 00007fe5fd6ef000 RDI: 0000000000000001 # [ 50.052831] RBP: 00007fe5fd6ef000 R08: 00007fe5fd6ee010 R09: 0000000000000000 # [ 50.061094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.069356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.077613] irq event stamp: 0 # [ 50.081336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.088631] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.098061] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.113709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.121000] ---[ end trace 235b9893d5bfe500 ]--- # [ 50.132662] 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 # [ 50.246022] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 50.257816] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 50.271247] ------------[ cut here ]------------ # [ 50.282924] refcount_t: saturated; leaking memory. # [ 50.294795] WARNING: CPU: 0 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.310733] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 50.369685] CPU: 0 PID: 2062 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 50.384842] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.398151] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.410496] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 # [ 50.438030] RSP: 0018:ffff9f2602a27e38 EFLAGS: 00010282 # [ 50.450341] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.464878] RDX: ffff8fb17ac2c660 RSI: ffff8fb17ac1bf70 RDI: ffff8fb17ac1bf70 # [ 50.479335] RBP: ffffffffa3401050 R08: 0000000000000000 R09: 0000000000000000 # [ 50.493810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.508295] R13: ffff9f2602a27f10 R14: ffff9f2602a27f10 R15: ffff8fb1026cb000 # [ 50.522793] FS: 00007fb235d30580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 50.538324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.551269] CR2: 00007fb235b3a000 CR3: 000000010492e004 CR4: 00000000003706f0 # [ 50.565735] Call Trace: # [ 50.575029] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.587626] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.600357] direct_entry.cold+0x2c/0x38 # [ 50.611241] full_proxy_write+0x53/0x80 # [ 50.622069] vfs_write+0xe7/0x3b0 # [ 50.632252] ksys_write+0x68/0xf0 # [ 50.642477] do_syscall_64+0x30/0x40 # [ 50.652956] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.665115] RIP: 0033:0x7fb235c46473 # [ 50.675593] Code: 8b 15 21 2a 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 # [ 50.703096] RSP: 002b:00007fff0a9046b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.718046] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb235c46473 # [ 50.732527] RDX: 000000000000001f RSI: 00007fb235b3a000 RDI: 0000000000000001 # [ 50.747051] RBP: 00007fb235b3a000 R08: 00007fb235b39010 R09: 0000000000000000 # [ 50.761547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.776028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.790535] irq event stamp: 0 # [ 50.800448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.813940] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.829623] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.845254] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.858760] ---[ end trace 235b9893d5bfe501 ]--- # [ 50.864234] 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 # [ 50.983564] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 50.994246] lkdtm: attempting good refcount_dec() # [ 50.999795] lkdtm: attempting bad refcount_dec() to zero # [ 51.006032] ------------[ cut here ]------------ # [ 51.017693] refcount_t: decrement hit 0; leaking memory. # [ 51.030149] WARNING: CPU: 3 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.046078] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.105105] CPU: 3 PID: 2094 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 51.114064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.127371] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.133500] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.154778] RSP: 0018:ffff9f2602ab7e48 EFLAGS: 00010286 # [ 51.160906] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 51.169170] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 51.177434] RBP: ffffffffa3401409 R08: 0000000000000000 R09: 0000000000000000 # [ 51.185695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.193960] R13: ffff9f2602ab7f10 R14: ffff9f2602ab7f10 R15: ffff8fb100e6f000 # [ 51.202224] FS: 00007f68d252c580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 51.211556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.218264] CR2: 00007f68d2336000 CR3: 0000000103e96006 CR4: 00000000003706e0 # [ 51.226529] Call Trace: # [ 51.229551] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 51.234832] direct_entry.cold+0x2c/0x38 # [ 51.239528] full_proxy_write+0x53/0x80 # [ 51.244129] vfs_write+0xe7/0x3b0 # [ 51.248121] ksys_write+0x68/0xf0 # [ 51.252115] do_syscall_64+0x30/0x40 # [ 51.256428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.262364] RIP: 0033:0x7f68d2442473 # [ 51.266646] Code: 8b 15 21 2a 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 # [ 51.287926] RSP: 002b:00007ffe2a0067f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.296680] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68d2442473 # [ 51.311164] RDX: 0000000000000012 RSI: 00007f68d2336000 RDI: 0000000000000001 # [ 51.325645] RBP: 00007f68d2336000 R08: 00007f68d2335010 R09: 0000000000000000 # [ 51.333909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.342172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.350442] irq event stamp: 0 # [ 51.354147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.361445] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.370875] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.380305] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.387598] ---[ end trace 235b9893d5bfe502 ]--- # [ 51.393045] 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 # [ 51.513108] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.523177] lkdtm: attempting bad refcount_dec() below zero # [ 51.535917] ------------[ cut here ]------------ # [ 51.547601] refcount_t: decrement hit 0; leaking memory. # [ 51.560050] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.575993] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.634979] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 51.650123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.663438] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.675767] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.703308] RSP: 0018:ffff9f2602b47e48 EFLAGS: 00010286 # [ 51.715643] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.730162] RDX: ffff8fb17ac2c660 RSI: ffff8fb17ac1bf70 RDI: ffff8fb17ac1bf70 # [ 51.744633] RBP: ffffffffa340141b R08: 0000000000000000 R09: 0000000000000000 # [ 51.759149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 51.773624] R13: ffff9f2602b47f10 R14: ffff9f2602b47f10 R15: ffff8fb1040b4000 # [ 51.788128] FS: 00007f9ad482c580(0000) GS:ffff8fb17ac00000(0000) knlGS:0000000000000000 # [ 51.803667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.816627] CR2: 00007f9ad4636000 CR3: 0000000103206006 CR4: 00000000003706f0 # [ 51.831076] Call Trace: # [ 51.840340] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 51.852182] direct_entry.cold+0x2c/0x38 # [ 51.863100] full_proxy_write+0x53/0x80 # [ 51.873868] vfs_write+0xe7/0x3b0 # [ 51.884106] ksys_write+0x68/0xf0 # [ 51.894288] do_syscall_64+0x30/0x40 # [ 51.904821] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.916949] RIP: 0033:0x7f9ad4742473 # [ 51.927500] Code: 8b 15 21 2a 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 # [ 51.954959] RSP: 002b:00007ffc54c2d388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.969959] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9ad4742473 # [ 51.984442] RDX: 0000000000000016 RSI: 00007f9ad4636000 RDI: 0000000000000001 # [ 51.998936] RBP: 00007f9ad4636000 R08: 00007f9ad4635010 R09: 0000000000000000 # [ 52.013393] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.027871] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.042357] irq event stamp: 0 # [ 52.052300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.065792] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.081447] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.097093] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.110613] ---[ end trace 235b9893d5bfe503 ]--- # [ 52.122272] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 52.256965] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 52.266009] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 52.273431] ------------[ cut here ]------------ # [ 52.278896] refcount_t: underflow; use-after-free. # [ 52.284568] WARNING: CPU: 3 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.294296] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.347089] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 52.362242] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.369343] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.375475] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.396753] RSP: 0018:ffff9f2602bc7e40 EFLAGS: 00010286 # [ 52.402882] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 52.417369] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 52.431848] RBP: ffffffffa3401070 R08: 0000000000000000 R09: 0000000000000000 # [ 52.440115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.454593] R13: ffff9f2602bc7f10 R14: ffff9f2602bc7f10 R15: ffff8fb10436d000 # [ 52.462856] FS: 00007f3411660580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 52.472187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.478895] CR2: 00007f341146a000 CR3: 000000010478a002 CR4: 00000000003706e0 # [ 52.487180] Call Trace: # [ 52.490216] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.502842] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 52.509359] direct_entry.cold+0x2c/0x38 # [ 52.514055] full_proxy_write+0x53/0x80 # [ 52.518653] vfs_write+0xe7/0x3b0 # [ 52.522669] ksys_write+0x68/0xf0 # [ 52.526661] do_syscall_64+0x30/0x40 # [ 52.530943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.536875] RIP: 0033:0x7f3411576473 # [ 52.541157] Code: 8b 15 21 2a 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 # [ 52.562435] RSP: 002b:00007ffe1bc28a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.571182] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3411576473 # [ 52.579436] RDX: 000000000000001f RSI: 00007f341146a000 RDI: 0000000000000001 # [ 52.587699] RBP: 00007f341146a000 R08: 00007f3411469010 R09: 0000000000000000 # [ 52.595956] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.604222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.612489] irq event stamp: 0 # [ 52.616213] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.623505] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.632935] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.642366] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.649657] ---[ end trace 235b9893d5bfe504 ]--- # [ 52.655097] 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 # [ 52.776919] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 52.786477] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.800084] ------------[ cut here ]------------ # [ 52.811746] refcount_t: underflow; use-after-free. # [ 52.823620] WARNING: CPU: 1 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.839548] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.898517] CPU: 1 PID: 2199 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 52.913679] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.926993] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.939339] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.960618] RSP: 0018:ffff9f2602c47e40 EFLAGS: 00010286 # [ 52.972955] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 52.981220] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 52.995697] RBP: ffffffffa3401090 R08: 0000000000000000 R09: 0000000000000000 # [ 53.003960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 53.018434] R13: ffff9f2602c47f10 R14: ffff9f2602c47f10 R15: ffff8fb104098000 # [ 53.026700] FS: 00007fa1dc04b580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 53.042238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.048949] CR2: 00007fa1dbe55000 CR3: 00000001041ea001 CR4: 00000000003706e0 # [ 53.063427] Call Trace: # [ 53.066453] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.079081] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 53.091814] direct_entry.cold+0x2c/0x38 # [ 53.102706] full_proxy_write+0x53/0x80 # [ 53.113500] vfs_write+0xe7/0x3b0 # [ 53.123705] ksys_write+0x68/0xf0 # [ 53.133912] do_syscall_64+0x30/0x40 # [ 53.144426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.156576] RIP: 0033:0x7fa1dbf61473 # [ 53.160862] Code: 8b 15 21 2a 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 # [ 53.188351] RSP: 002b:00007fff40acf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.197103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1dbf61473 # [ 53.211578] RDX: 000000000000001f RSI: 00007fa1dbe55000 RDI: 0000000000000001 # [ 53.219843] RBP: 00007fa1dbe55000 R08: 00007fa1dbe54010 R09: 0000000000000000 # [ 53.228107] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.242583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.250850] irq event stamp: 0 # [ 53.260763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.268058] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.283697] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.293128] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.306630] ---[ end trace 235b9893d5bfe505 ]--- # [ 53.312077] 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 # [ 53.445279] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.454590] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.461996] lkdtm: Good: zero detected # [ 53.466495] lkdtm: Correctly stayed at zero # [ 53.477665] lkdtm: attempting bad refcount_inc() from zero # [ 53.490304] ------------[ cut here ]------------ # [ 53.495783] refcount_t: addition on 0; use-after-free. # [ 53.501844] WARNING: CPU: 2 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.511569] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 53.570546] CPU: 2 PID: 2231 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 53.579501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.592807] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.598937] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 a3 c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 # [ 53.620213] RSP: 0018:ffff9f2602c8fe48 EFLAGS: 00010286 # [ 53.626343] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.634609] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 53.642874] RBP: ffffffffa3401431 R08: 0000000000000000 R09: 0000000000000000 # [ 53.651139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.659423] R13: ffff9f2602c8ff10 R14: ffff9f2602c8ff10 R15: ffff8fb106916000 # [ 53.667687] FS: 00007f8516a84580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 53.677020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.683730] CR2: 00007f851688e000 CR3: 0000000106ad8003 CR4: 00000000003706e0 # [ 53.691994] Call Trace: # [ 53.695018] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 53.700306] direct_entry.cold+0x2c/0x38 # [ 53.705002] full_proxy_write+0x53/0x80 # [ 53.709579] vfs_write+0xe7/0x3b0 # [ 53.713594] ksys_write+0x68/0xf0 # [ 53.717588] do_syscall_64+0x30/0x40 # [ 53.721896] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.727830] RIP: 0033:0x7f851699a473 # [ 53.732113] Code: 8b 15 21 2a 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 # [ 53.753391] RSP: 002b:00007ffea4678a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.762170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f851699a473 # [ 53.776653] RDX: 0000000000000012 RSI: 00007f851688e000 RDI: 0000000000000001 # [ 53.791136] RBP: 00007f851688e000 R08: 00007f851688d010 R09: 0000000000000000 # [ 53.799421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.807682] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.815948] irq event stamp: 0 # [ 53.819673] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.833177] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.842605] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.852034] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.859326] ---[ end trace 235b9893d5bfe506 ]--- # [ 53.864772] 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 # [ 53.988241] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 54.000833] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 54.008242] lkdtm: Good: zero detected # [ 54.012730] lkdtm: Correctly stayed at zero # [ 54.017700] lkdtm: attempting bad refcount_add() from zero # [ 54.024122] ------------[ cut here ]------------ # [ 54.029571] refcount_t: addition on 0; use-after-free. # [ 54.035633] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 54.045358] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.104344] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 54.113297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.126608] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.132740] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 a3 c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 # [ 54.154020] RSP: 0018:ffff9f2602d37e48 EFLAGS: 00010286 # [ 54.160149] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.168426] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 54.176688] RBP: ffffffffa3401443 R08: 0000000000000000 R09: 0000000000000000 # [ 54.184944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.193209] R13: ffff9f2602d37f10 R14: ffff9f2602d37f10 R15: ffff8fb1044c3000 # [ 54.201475] FS: 00007f067cc28580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 54.210807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.217516] CR2: 00007f067ca32000 CR3: 0000000105bd6003 CR4: 00000000003706e0 # [ 54.225778] Call Trace: # [ 54.228792] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.234078] direct_entry.cold+0x2c/0x38 # [ 54.238774] full_proxy_write+0x53/0x80 # [ 54.243352] vfs_write+0xe7/0x3b0 # [ 54.247367] ksys_write+0x68/0xf0 # [ 54.251360] do_syscall_64+0x30/0x40 # [ 54.255669] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.261604] RIP: 0033:0x7f067cb3e473 # [ 54.265886] Code: 8b 15 21 2a 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 # [ 54.287162] RSP: 002b:00007ffd2b2ff158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.295915] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f067cb3e473 # [ 54.304181] RDX: 0000000000000012 RSI: 00007f067ca32000 RDI: 0000000000000001 # [ 54.312447] RBP: 00007f067ca32000 R08: 00007f067ca31010 R09: 0000000000000000 # [ 54.320757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.329020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.337290] irq event stamp: 0 # [ 54.341009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.348305] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.357736] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.367169] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.380679] ---[ end trace 235b9893d5bfe507 ]--- # [ 54.392346] 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 # [ 54.522208] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 54.535137] lkdtm: attempting bad refcount_inc() from saturated # [ 54.542055] ------------[ cut here ]------------ # [ 54.547509] refcount_t: saturated; leaking memory. # [ 54.553179] WARNING: CPU: 2 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.562908] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.621872] CPU: 2 PID: 2298 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 54.630847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.637946] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.644077] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 # [ 54.671572] RSP: 0018:ffff9f2602dc7e48 EFLAGS: 00010286 # [ 54.677730] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 54.685994] RDX: ffff8fb17ad2c660 RSI: ffff8fb17ad1bf70 RDI: ffff8fb17ad1bf70 # [ 54.694260] RBP: ffffffffa3401455 R08: 0000000000000000 R09: 0000000000000000 # [ 54.702530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.710828] R13: ffff9f2602dc7f10 R14: ffff9f2602dc7f10 R15: ffff8fb1059ac000 # [ 54.719093] FS: 00007f6042f07580(0000) GS:ffff8fb17ad00000(0000) knlGS:0000000000000000 # [ 54.728426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.741355] CR2: 00007f6042d11000 CR3: 0000000105b06006 CR4: 00000000003706e0 # [ 54.749620] Call Trace: # [ 54.752646] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 54.758429] direct_entry.cold+0x2c/0x38 # [ 54.769322] full_proxy_write+0x53/0x80 # [ 54.773928] vfs_write+0xe7/0x3b0 # [ 54.777955] ksys_write+0x68/0xf0 # [ 54.788163] do_syscall_64+0x30/0x40 # [ 54.798662] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.804628] RIP: 0033:0x7f6042e1d473 # [ 54.808914] Code: 8b 15 21 2a 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 # [ 54.830227] RSP: 002b:00007ffcd4ee3108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.838980] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6042e1d473 # [ 54.847246] RDX: 0000000000000017 RSI: 00007f6042d11000 RDI: 0000000000000001 # [ 54.855512] RBP: 00007f6042d11000 R08: 00007f6042d10010 R09: 0000000000000000 # [ 54.863779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.872045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.880333] irq event stamp: 0 # [ 54.884044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.897548] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.906982] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.916444] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.923740] ---[ end trace 235b9893d5bfe508 ]--- # [ 54.935405] 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 # [ 55.062250] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 55.072971] lkdtm: attempting bad refcount_dec() from saturated # [ 55.086093] ------------[ cut here ]------------ # [ 55.097755] refcount_t: decrement hit 0; leaking memory. # [ 55.110230] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 55.126139] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.185095] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 55.200256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.213568] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.225913] Code: b0 c4 35 a3 c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 35 a3 c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 55.247189] RSP: 0018:ffff9f2602e3fe48 EFLAGS: 00010286 # [ 55.259553] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 55.274012] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 55.288489] RBP: ffffffffa340146c R08: 0000000000000000 R09: 0000000000000000 # [ 55.296755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.311230] R13: ffff9f2602e3ff10 R14: ffff9f2602e3ff10 R15: ffff8fb105988000 # [ 55.319496] FS: 00007f78c74a6580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 55.335036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.341744] CR2: 00007f78c72b0000 CR3: 0000000104320006 CR4: 00000000003706e0 # [ 55.350008] Call Trace: # [ 55.359243] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 55.371196] direct_entry.cold+0x2c/0x38 # [ 55.382081] full_proxy_write+0x53/0x80 # [ 55.392873] vfs_write+0xe7/0x3b0 # [ 55.403079] ksys_write+0x68/0xf0 # [ 55.407071] do_syscall_64+0x30/0x40 # [ 55.417561] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.423519] RIP: 0033:0x7f78c73bc473 # [ 55.434009] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.455285] RSP: 002b:00007ffd1df7a9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.470247] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f78c73bc473 # [ 55.484727] RDX: 0000000000000017 RSI: 00007f78c72b0000 RDI: 0000000000000001 # [ 55.499210] RBP: 00007f78c72b0000 R08: 00007f78c72af010 R09: 0000000000000000 # [ 55.513687] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.528164] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.536433] irq event stamp: 0 # [ 55.546334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.559842] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.575486] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.584915] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.598423] ---[ end trace 235b9893d5bfe509 ]--- # [ 55.603872] 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 # [ 55.736652] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 55.747722] lkdtm: attempting bad refcount_dec() from saturated # [ 55.760844] ------------[ cut here ]------------ # [ 55.772504] refcount_t: saturated; leaking memory. # [ 55.784397] WARNING: CPU: 1 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.800300] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.859282] CPU: 1 PID: 2368 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 55.874433] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.887741] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.900082] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 35 a3 c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 35 # [ 55.927574] RSP: 0018:ffff9f2602e9fe48 EFLAGS: 00010286 # [ 55.933703] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 55.948177] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 55.956442] RBP: ffffffffa3401483 R08: 0000000000000000 R09: 0000000000000000 # [ 55.970914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.979179] R13: ffff9f2602e9ff10 R14: ffff9f2602e9ff10 R15: ffff8fb1047e1000 # [ 55.993651] FS: 00007f1d07a40580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 56.002986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.015906] CR2: 00007f1d0784a000 CR3: 000000010490a003 CR4: 00000000003706e0 # [ 56.024170] Call Trace: # [ 56.033427] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 56.045378] direct_entry.cold+0x2c/0x38 # [ 56.056267] full_proxy_write+0x53/0x80 # [ 56.067058] vfs_write+0xe7/0x3b0 # [ 56.077264] ksys_write+0x68/0xf0 # [ 56.087475] do_syscall_64+0x30/0x40 # [ 56.097972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.110122] RIP: 0033:0x7f1d07956473 # [ 56.120618] Code: 8b 15 21 2a 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 # [ 56.141897] RSP: 002b:00007ffcabc3a5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.156854] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1d07956473 # [ 56.165119] RDX: 0000000000000017 RSI: 00007f1d0784a000 RDI: 0000000000000001 # [ 56.179591] RBP: 00007f1d0784a000 R08: 00007f1d07849010 R09: 0000000000000000 # [ 56.187858] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.202330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.210602] irq event stamp: 0 # [ 56.220504] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.227798] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.243436] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.259081] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.266376] ---[ end trace 235b9893d5bfe50a ]--- # [ 56.278036] 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 # [ 56.435968] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 56.448106] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 56.455903] ------------[ cut here ]------------ # [ 56.461361] refcount_t: saturated; leaking memory. # [ 56.473231] WARNING: CPU: 3 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.489160] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 56.548182] CPU: 3 PID: 2400 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 56.557139] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.570450] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.576580] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 # [ 56.597859] RSP: 0018:ffff9f2602f27e38 EFLAGS: 00010282 # [ 56.603986] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.612242] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 56.620506] RBP: ffffffffa34010b0 R08: 0000000000000000 R09: 0000000000000000 # [ 56.628771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.637035] R13: ffff9f2602f27f10 R14: ffff9f2602f27f10 R15: ffff8fb1042d8000 # [ 56.645301] FS: 00007f8069ea6580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 56.654631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.661339] CR2: 00007f8069cb0000 CR3: 0000000103d1c001 CR4: 00000000003706e0 # [ 56.669592] Call Trace: # [ 56.672615] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.679061] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.685674] direct_entry.cold+0x2c/0x38 # [ 56.690346] full_proxy_write+0x53/0x80 # [ 56.694947] vfs_write+0xe7/0x3b0 # [ 56.698963] ksys_write+0x68/0xf0 # [ 56.702956] do_syscall_64+0x30/0x40 # [ 56.707239] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.713173] RIP: 0033:0x7f8069dbc473 # [ 56.717476] Code: 8b 15 21 2a 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 # [ 56.738753] RSP: 002b:00007ffde91426e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.747506] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8069dbc473 # [ 56.755771] RDX: 0000000000000020 RSI: 00007f8069cb0000 RDI: 0000000000000001 # [ 56.770250] RBP: 00007f8069cb0000 R08: 00007f8069caf010 R09: 0000000000000000 # [ 56.778515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.786778] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.795039] irq event stamp: 0 # [ 56.798769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.806062] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.815493] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.824923] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.832216] ---[ end trace 235b9893d5bfe50b ]--- # [ 56.837663] 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 # [ 56.962187] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 56.976143] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 56.983936] ------------[ cut here ]------------ # [ 56.995590] refcount_t: saturated; leaking memory. # [ 57.001260] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.010984] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 57.069949] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 57.078922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.086022] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 57.092150] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 35 a3 c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 # [ 57.113443] RSP: 0018:ffff9f2602fcfe38 EFLAGS: 00010282 # [ 57.125781] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.134049] RDX: ffff8fb17adac660 RSI: ffff8fb17ad9bf70 RDI: ffff8fb17ad9bf70 # [ 57.142314] RBP: ffffffffa34010d0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.150581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.158844] R13: ffff9f2602fcff10 R14: ffff9f2602fcff10 R15: ffff8fb103f59000 # [ 57.167111] FS: 00007f92c61aa580(0000) GS:ffff8fb17ad80000(0000) knlGS:0000000000000000 # [ 57.176443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.183175] CR2: 00007f92c5fb4000 CR3: 0000000104338004 CR4: 00000000003706e0 # [ 57.191438] Call Trace: # [ 57.194478] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.200929] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.207574] direct_entry.cold+0x2c/0x38 # [ 57.212279] full_proxy_write+0x53/0x80 # [ 57.216885] vfs_write+0xe7/0x3b0 # [ 57.220908] ksys_write+0x68/0xf0 # [ 57.224903] do_syscall_64+0x30/0x40 # [ 57.229216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.235153] RIP: 0033:0x7f92c60c0473 # [ 57.239479] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.260758] RSP: 002b:00007ffdd2eebd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.269541] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92c60c0473 # [ 57.277805] RDX: 0000000000000020 RSI: 00007f92c5fb4000 RDI: 0000000000000001 # [ 57.286070] RBP: 00007f92c5fb4000 R08: 00007f92c5fb3010 R09: 0000000000000000 # [ 57.294335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.302599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.310871] irq event stamp: 0 # [ 57.314600] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.321896] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 57.331358] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 57.340791] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.354301] ---[ end trace 235b9893d5bfe50c ]--- # [ 57.359748] 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 # [ 57.959342] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 57.971860] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 57.985874] ------------[ cut here ]------------ # [ 57.997516] refcount_t: underflow; use-after-free. # [ 58.003193] WARNING: CPU: 1 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.019094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 58.078055] CPU: 1 PID: 2467 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 58.093213] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.106527] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.118869] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 58.140174] RSP: 0018:ffff9f2603037e40 EFLAGS: 00010286 # [ 58.152512] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 58.160804] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 58.175279] RBP: ffffffffa34010f0 R08: 0000000000000000 R09: 0000000000000000 # [ 58.183569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.198040] R13: ffff9f2603037f10 R14: ffff9f2603037f10 R15: ffff8fb103203000 # [ 58.206308] FS: 00007fe17e789580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 58.221850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.228587] CR2: 00007fe17e593000 CR3: 0000000103d94003 CR4: 00000000003706e0 # [ 58.243058] Call Trace: # [ 58.246084] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.258719] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 58.271547] direct_entry.cold+0x2c/0x38 # [ 58.282432] full_proxy_write+0x53/0x80 # [ 58.293219] vfs_write+0xe7/0x3b0 # [ 58.303428] ksys_write+0x68/0xf0 # [ 58.313661] do_syscall_64+0x30/0x40 # [ 58.324157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.336286] RIP: 0033:0x7fe17e69f473 # [ 58.346784] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.368060] RSP: 002b:00007ffd999ac518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.383019] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe17e69f473 # [ 58.391282] RDX: 0000000000000020 RSI: 00007fe17e593000 RDI: 0000000000000001 # [ 58.405752] RBP: 00007fe17e593000 R08: 00007fe17e592010 R09: 0000000000000000 # [ 58.414015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.428494] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.436763] irq event stamp: 0 # [ 58.446668] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.453965] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 58.469599] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 58.479029] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.492531] ---[ end trace 235b9893d5bfe50d ]--- # [ 58.497979] 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 # [ 58.651196] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 58.661482] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 58.675469] ------------[ cut here ]------------ # [ 58.687130] refcount_t: underflow; use-after-free. # [ 58.699015] WARNING: CPU: 1 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.714927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 58.773875] CPU: 1 PID: 2502 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 58.789035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.802349] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.814691] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 35 a3 c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 58.842179] RSP: 0018:ffff9f26030e7e40 EFLAGS: 00010286 # [ 58.854525] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 58.869003] RDX: ffff8fb17acac660 RSI: ffff8fb17ac9bf70 RDI: ffff8fb17ac9bf70 # [ 58.883480] RBP: ffffffffa3401110 R08: 0000000000000000 R09: 0000000000000000 # [ 58.897958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.912435] R13: ffff9f26030e7f10 R14: ffff9f26030e7f10 R15: ffff8fb1044d4000 # [ 58.926917] FS: 00007f1464cd0580(0000) GS:ffff8fb17ac80000(0000) knlGS:0000000000000000 # [ 58.942463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.955391] CR2: 00007f1464ada000 CR3: 0000000106904003 CR4: 00000000003706e0 # [ 58.969867] Call Trace: # [ 58.972892] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.985518] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 58.998350] direct_entry.cold+0x2c/0x38 # [ 59.009236] full_proxy_write+0x53/0x80 # [ 59.020025] vfs_write+0xe7/0x3b0 # [ 59.030231] ksys_write+0x68/0xf0 # [ 59.040439] do_syscall_64+0x30/0x40 # [ 59.050933] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.063083] RIP: 0033:0x7f1464be6473 # [ 59.073579] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.094859] RSP: 002b:00007ffdebf72808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.109817] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1464be6473 # [ 59.118081] RDX: 0000000000000020 RSI: 00007f1464ada000 RDI: 0000000000000001 # [ 59.132552] RBP: 00007f1464ada000 R08: 00007f1464ad9010 R09: 0000000000000000 # [ 59.147029] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.155294] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.169771] irq event stamp: 0 # [ 59.179683] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.186976] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.202612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.212045] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.225554] ---[ end trace 235b9893d5bfe50e ]--- # [ 59.237218] 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 # [ 59.517071] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 59.525412] lkdtm: attempting good copy_to_user of correct size # [ 59.538531] 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 # [ 59.680115] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 59.689462] lkdtm: attempting good copy_from_user of correct size # [ 59.696597] 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 # [ 59.828443] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 59.841970] lkdtm: attempting good copy_to_user inside whitelist # [ 59.848992] 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 # [ 59.981913] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 59.994224] lkdtm: attempting good copy_from_user inside whitelist # [ 60.001458] 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 # [ 60.139622] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 60.152615] lkdtm: good_stack: ffff9f260348fe20-ffff9f260348fe40 # [ 60.159629] lkdtm: bad_stack : ffff9f260348fda8-ffff9f260348fdc8 # [ 60.166644] lkdtm: attempting good copy_to_user of local stack # [ 60.173479] 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 # [ 60.306221] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 60.318479] lkdtm: good_stack: ffff9f260352fe20-ffff9f260352fe40 # [ 60.331718] lkdtm: bad_stack : ffff9f260352fda8-ffff9f260352fdc8 # [ 60.344951] lkdtm: attempting good copy_from_user of local stack # [ 60.358208] 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 # [ 60.500170] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 60.508999] lkdtm: good_stack: ffff9f26035c7e20-ffff9f26035c7e40 # [ 60.516033] lkdtm: bad_stack : ffff9f26035c7ff8-ffff9f26035c8018 # [ 60.523080] lkdtm: attempting good copy_to_user of local stack # [ 60.536087] lkdtm: attempting bad copy_to_user of distant stack # [ 60.543006] 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 # [ 60.673081] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 60.680059] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa2f7e910 # [ 60.689020] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa16e12e0 # [ 60.697688] 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 # [ 60.830621] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 60.840711] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 60.848904] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 60.856980] lkdtm: FAIL: the thread stack is NOT properly erased # [ 60.863991] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 60.872932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.880026] Call Trace: # [ 60.883048] dump_stack+0x77/0x9b # [ 60.887039] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 60.892485] direct_entry.cold+0x2c/0x38 # [ 60.897152] full_proxy_write+0x53/0x80 # [ 60.901716] vfs_write+0xe7/0x3b0 # [ 60.905704] ksys_write+0x68/0xf0 # [ 60.909694] do_syscall_64+0x30/0x40 # [ 60.913972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.919902] RIP: 0033:0x7f4cebd5d473 # [ 60.924181] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.945447] RSP: 002b:00007ffcc1f3edb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.954194] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4cebd5d473 # [ 60.962472] RDX: 0000000000000012 RSI: 00007f4cebc51000 RDI: 0000000000000001 # [ 60.970722] RBP: 00007f4cebc51000 R08: 00007f4cebc50010 R09: 0000000000000000 # [ 60.978982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.987241] 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 # [ 61.113221] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 61.120494] lkdtm: Calling matched prototype ... # [ 61.125965] lkdtm: Calling mismatched prototype ... # [ 61.131725] 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 / #