[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c9caf7 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c9caf7 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 64152 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c9caf7 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #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 376272 run 166510 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8975 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 8964 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90959 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107751 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 14159 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 14151 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 22372 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 53539 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 13888 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 11316 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 9265 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10049 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466104 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486208 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 825941 exit 39763 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114057 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139303 exit 20355 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 30862 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 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2250 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 23489 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 23818 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 24489 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-12-21 00:04:02 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-12-21 00:04:02 UTC ELOG: Event(92) added with size 9 at 2023-12-21 00:04:02 UTC ELOG: Event(9A) added with size 9 at 2023-12-21 00:04:02 UTC ELOG: Event(AD) added with size 10 at 2023-12-21 00:04:02 UTC ELOG: Event(9F) added with size 14 at 2023-12-21 00:04:02 UTC BS: BS_DEV_INIT times (us): entry 0 run 417135 exit 60031 ELOG: Event(A1) added with size 10 at 2023-12-21 00:04:02 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-12-21 00:04:02 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 25560 run 3972 exit 5199 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 59 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 9645 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe900 0000006c COREBOOTFWD 8. 7affe8c0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537459 exit 146838 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() Checking segment from ROM address 0xfff23078 CPU physical address size: 39 bits CPU physical address size: 39 bits 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 611 run 261859 exit 135652 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 12331915/tftp-deploy-gzi1ngf5/kernel/bzImage 12331915/tftp-deploy-gzi1ngf5/kernel/cmdline 12331915/tftp-deploy-gzi1ngf5/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12331915/tftp-deploy-gzi1ngf5/kernel/bzIploy-gzi1ngf5/kernel/cmdline 12331915/tftp-deploy-gzi1ngf5/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12331915/tftp-deploy-gzi1ngf5/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 ################################################################ 01000000 ############################################################## done. The bootfile was 17281408 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 ################################################################ 00a00000 ## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12331915/tftp-deploy-gzi1ngf5/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331915/extract-nfsrootfs-1iuxjcv6,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: 22387768 Starting kernel ... <5>[ 0.000000] Linux version 5.10.205-cip41 (KernelCI@build-j55105-x86-64-gcc-10-x86-64-defconfig-x86-board-phx5n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Dec 20 23:45:18 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331915/extract-nfsrootfs-1iuxjcv6,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001398] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007188] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.025868] check: Scanning 1 areas for low memory corruption <6>[ 0.025881] Using GB pages for direct mapping <6>[ 0.026616] RAMDISK: [mem 0x375fd000-0x37ffffff] <6>[ 0.026624] ACPI: Early table checksum verification disabled <6>[ 0.026632] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026645] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026661] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026678] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.026691] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026702] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026714] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.026726] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026739] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026751] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026763] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.026775] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026787] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026799] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026812] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.026817] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.026822] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026826] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026831] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.026836] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.026841] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.026845] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.026850] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.026855] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.026860] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.026864] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027004] No NUMA configuration found <6>[ 0.027009] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027020] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.027075] Zone ranges: <6>[ 0.027080] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027088] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027095] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027102] Movable zone start for each node <6>[ 0.027107] Early memory node ranges <6>[ 0.027112] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027117] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027122] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027128] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027164] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027208] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.038384] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.038459] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.038486] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.039019] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.039075] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.039089] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.039095] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.039110] Using ACPI (MADT) for SMP configuration information <6>[ 0.039116] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.039125] TSC deadline timer available <6>[ 0.039130] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.039160] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.039166] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.039173] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.039177] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.039182] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.039186] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.039191] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.039195] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.039199] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.039204] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.039208] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.039213] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.039217] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.039222] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.039226] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.039235] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.039242] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.056702] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.056995] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.057076] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.057081] Policy zone: Normal <5>[ 0.057096] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12331915/extract-nfsrootfs-1iuxjcv6,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.057724] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.057979] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.058072] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.080332] Memory: 3876300K/4089052K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212492K reserved, 0K cma-reserved) <6>[ 0.080485] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.080547] Kernel/User page tables isolation: enabled <6>[ 0.080673] ftrace: allocating 61881 entries in 242 pages <6>[ 0.151482] ftrace: allocated 242 pages with 5 groups <6>[ 0.151771] Running RCU self tests <6>[ 0.151787] rcu: Hierarchical RCU implementation. <6>[ 0.151792] rcu: RCU event tracing is enabled. <6>[ 0.151797] rcu: RCU lockdep checking is enabled. <6>[ 0.151802] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.151807] Rude variant of Tasks RCU enabled. <6>[ 0.151811] Tracing variant of Tasks RCU enabled. <6>[ 0.151817] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.151821] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.162405] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.162893] random: crng init done <6>[ 0.163005] Console: colour dummy device 80x25 <6>[ 0.236516] printk: console [ttyS0] enabled <4>[ 0.236907] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.237591] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.237973] ... MAX_LOCK_DEPTH: 48 <4>[ 0.238362] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.238766] ... CLASSHASH_SIZE: 4096 <4>[ 0.239170] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.239582] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.239993] ... CHAINHASH_SIZE: 32768 <4>[ 0.240404] memory used by lock dependency info: 6365 kB <4>[ 0.240894] memory used for stack traces: 4224 kB <4>[ 0.241334] per task-struct memory footprint: 1920 bytes <6>[ 0.241885] ACPI: Core revision 20200925 <6>[ 0.242477] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.243000] APIC: Switch to symmetric I/O mode setup <6>[ 0.247455] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.248399] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.249380] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.249380] process: using mwait in idle threads <6>[ 0.249380] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.249380] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.249380] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.249380] Spectre V2 : Mitigation: IBRS <6>[ 0.249380] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.249380] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.249380] RETBleed: Mitigation: IBRS <6>[ 0.249380] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.249380] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.249380] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.249380] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.249380] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.249380] SRBDS: Vulnerable: No microcode <6>[ 0.249380] GDS: Vulnerable: No microcode <6>[ 0.249380] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.249380] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.249380] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.249380] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.249380] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.249380] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.249380] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.249380] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.249380] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.249380] ------------[ cut here ]------------ <4>[ 0.249380] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.249380] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.249380] Modules linked in: <4>[ 0.249380] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.205-cip41 #1 <4>[ 0.249380] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.249380] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.249380] Code: 67 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 10 f4 a7 a3 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.249380] RSP: 0000:ffffffffa3e03e28 EFLAGS: 00010282 <4>[ 0.249380] RAX: 0000000000000000 RBX: ffffffffa4a2e244 RCX: 0000000000000000 <4>[ 0.249380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa1b77c41 <4>[ 0.249380] RBP: ffffffffa36f8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.249380] R10: ffffffffa3e8ff20 R11: 3fffffffffffffff R12: ffffffffa4a47594 <4>[ 0.249380] R13: cccccccccccccccc R14: ffffffffa36f8945 R15: 0000000000000004 <4>[ 0.249380] FS: 0000000000000000(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 <4>[ 0.249380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.249380] CR2: ffffa02102801000 CR3: 0000000140e26001 CR4: 00000000003706f0 <4>[ 0.249380] Call Trace: <4>[ 0.249380] ? __warn+0x80/0x110 <4>[ 0.249380] ? apply_returns+0x1f5/0x220 <4>[ 0.249380] ? report_bug+0x9e/0xc0 <4>[ 0.249380] ? handle_bug+0x41/0x90 <4>[ 0.249380] ? exc_invalid_op+0x14/0x70 <4>[ 0.249380] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.249380] ? console_unlock+0x4d1/0x5f0 <4>[ 0.249380] ? apply_returns+0x1f5/0x220 <4>[ 0.249380] ? apply_returns+0x1f5/0x220 <4>[ 0.249380] alternative_instructions+0x7d/0x143 <4>[ 0.249380] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.249380] start_kernel+0x4a3/0x54d <4>[ 0.249380] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.249380] irq event stamp: 200409 <4>[ 0.249380] hardirqs last enabled at (200417): [] console_unlock+0x4d1/0x5f0 <4>[ 0.249380] hardirqs last disabled at (200424): [] console_unlock+0x444/0x5f0 <4>[ 0.249380] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.249380] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.249380] ---[ end trace fc66307ea2d4667e ]--- <6>[ 0.249380] Freeing SMP alternatives memory: 48K <6>[ 0.249380] pid_max: default: 32768 minimum: 301 <6>[ 0.249380] LSM: Security Framework initializing <6>[ 0.249380] SELinux: Initializing. <6>[ 0.249380] LSM support for eBPF active <6>[ 0.249380] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.249380] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.249380] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.250063] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.250397] ... version: 4 <6>[ 0.250775] ... bit width: 48 <6>[ 0.251158] ... generic registers: 4 <6>[ 0.251386] ... value mask: 0000ffffffffffff <6>[ 0.251872] ... max period: 00007fffffffffff <6>[ 0.252355] ... fixed-purpose events: 3 <6>[ 0.252386] ... event mask: 000000070000000f <6>[ 0.253430] rcu: Hierarchical SRCU implementation. <6>[ 0.256068] smp: Bringing up secondary CPUs ... <6>[ 0.257129] x86: Booting SMP configuration: <6>[ 0.257435] .... node #0, CPUs: #1 <4>[ 0.258801] 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>[ 0.259388] 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>[ 0.260995] #2 #3 <6>[ 0.263535] smp: Brought up 1 node, 4 CPUs <6>[ 0.264047] smpboot: Max logical packages: 1 <6>[ 0.264390] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.266837] devtmpfs: initialized <6>[ 0.267773] x86/mm: Memory block size: 128MB <6>[ 0.272599] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.273406] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.274584] pinctrl core: initialized pinctrl subsystem <6>[ 0.276277] PM: RTC time: 00:04:21, date: 2023-12-21 <6>[ 0.277116] NET: Registered protocol family 16 <6>[ 0.278234] audit: initializing netlink subsys (disabled) <5>[ 0.278437] audit: type=2000 audit(1703117060.030:1): state=initialized audit_enabled=0 res=1 <6>[ 0.279197] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.279206] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.279492] cpuidle: using governor menu <6>[ 0.280562] ACPI: bus type PCI registered <6>[ 0.281494] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.282317] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.282425] PCI: Using configuration type 1 for base access <6>[ 0.322639] Kprobes globally optimized <6>[ 0.323447] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323447] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324480] cryptomgr_test (39) used greatest stack depth: 15272 bytes left <6>[ 0.325160] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.328542] ACPI: Added _OSI(Module Device) <6>[ 0.328939] ACPI: Added _OSI(Processor Device) <6>[ 0.329353] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.329390] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329885] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.330300] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.330389] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.344157] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.352750] ACPI: EC: EC started <6>[ 0.353086] ACPI: EC: interrupt blocked <6>[ 0.354178] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.354392] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.355051] ACPI: Interpreter enabled <6>[ 0.355461] ACPI: (supports S0 S3 S4 S5) <6>[ 0.355834] ACPI: Using IOAPIC for interrupt routing <6>[ 0.356375] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.374959] ACPI: Power Resource [PRIC] (on) <6>[ 0.506174] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.506399] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.507519] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.508220] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.509063] PCI host bridge to bus 0000:00 <6>[ 0.509392] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.510002] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.510388] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.511055] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.511388] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.512054] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.512387] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.513054] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.513387] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.514054] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.514388] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.515054] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.515387] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.516054] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.516388] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.517055] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.517387] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.518054] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.518387] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.519055] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.519388] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.519992] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.521551] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.522121] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.522403] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.523059] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.524100] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.524414] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.525870] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.526415] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.527761] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.528337] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.528546] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.529938] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.530428] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.531792] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.532376] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.533286] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.533435] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.534991] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.535436] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.536068] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.537245] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.537435] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.538971] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.539600] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.541006] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.541435] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.542959] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.543435] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.544941] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.545429] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.547064] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.547430] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.548893] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.550246] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.550420] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.551825] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.552413] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.553075] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.553506] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.554884] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.555454] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.556132] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.557189] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.557421] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.559380] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.560641] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.562827] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.565408] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.565877] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.567885] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.568691] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.569615] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.570561] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.571510] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.572456] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.573401] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.574342] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.580683] ACPI: EC: interrupt unblocked <6>[ 0.581075] ACPI: EC: event unblocked <6>[ 0.581386] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.581857] ACPI: EC: GPE=0x6e <6>[ 0.582159] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.582390] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.583514] iommu: Default domain type: Translated <6>[ 0.584457] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.585024] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.585407] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.585930] vgaarb: loaded <5>[ 0.586821] SCSI subsystem initialized <6>[ 0.587553] ACPI: bus type USB registered <6>[ 0.588072] usbcore: registered new interface driver usbfs <6>[ 0.588495] usbcore: registered new interface driver hub <6>[ 0.589021] usbcore: registered new device driver usb <6>[ 0.589509] mc: Linux media interface: v0.10 <6>[ 0.589944] videodev: Linux video capture interface: v2.00 <6>[ 0.590423] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.590880] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.591398] PTP clock support registered <6>[ 0.591834] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.593502] NetLabel: Initializing <6>[ 0.593832] NetLabel: domain hash size = 128 <6>[ 0.594237] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.594474] NetLabel: unlabeled traffic allowed by default <6>[ 0.595075] PCI: Using ACPI for IRQ routing <6>[ 0.603205] clocksource: Switched to clocksource tsc-early <5>[ 1.062207] VFS: Disk quotas dquot_6.6.0 <6>[ 1.062657] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.063767] pnp: PnP ACPI init <6>[ 1.064957] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.065580] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.066180] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.066794] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.067393] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.068007] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.068651] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.069278] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.069890] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.070489] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.072091] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.073073] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.073905] system 00:04: [io 0x0200] has been reserved <6>[ 1.074396] system 00:04: [io 0x0204] has been reserved <6>[ 1.074909] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.075450] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.078826] pnp: PnP ACPI: found 6 devices <6>[ 1.094236] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.095161] NET: Registered protocol family 2 <6>[ 1.095763] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.098319] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.099363] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.100304] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.103240] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.104204] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.105218] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.106145] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.107254] NET: Registered protocol family 1 <6>[ 1.108434] RPC: Registered named UNIX socket transport module. <6>[ 1.109023] RPC: Registered udp transport module. <6>[ 1.109461] RPC: Registered tcp transport module. <6>[ 1.109907] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.111157] NET: Registered protocol family 44 <6>[ 1.111615] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.112089] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.112730] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.113287] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.113925] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.114558] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.115176] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.115805] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.116423] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.117058] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.117696] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.118322] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.119004] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.119642] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.120268] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.120904] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.121530] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.122166] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.122801] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.123427] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.124076] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.124714] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.125341] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.126413] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.129306] PCI: CLS 64 bytes, default 64 <6>[ 1.130117] Unpacking initramfs... <6>[ 1.588390] Freeing initrd memory: 10252K <6>[ 1.588869] DMAR: Host address width 39 <6>[ 1.589270] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.589843] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.590606] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.591175] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.591691] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.592499] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.593095] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.594084] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.594815] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.595340] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.595914] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.596407] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.596931] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.599359] kvm: already loaded the other module <6>[ 1.612208] check: Scanning for low memory corruption every 60 seconds <5>[ 1.616325] Initialise system trusted keyrings <6>[ 1.617012] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.639215] NFS: Registering the id_resolver key type <5>[ 1.639743] Key type id_resolver registered <5>[ 1.640165] Key type id_legacy registered <5>[ 1.662992] Key type asymmetric registered <5>[ 1.663412] Asymmetric key parser 'x509' registered <6>[ 1.663942] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.664635] io scheduler mq-deadline registered <6>[ 1.665058] io scheduler kyber registered <4>[ 1.665692] test_firmware: interface ready <6>[ 1.667719] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.669673] ACPI: AC Adapter [AC] (on-line) <6>[ 1.670486] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.672372] ACPI: Lid Switch [LID0] <6>[ 1.673021] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.673966] ACPI: Power Button [PWRF] <6>[ 1.674823] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.676046] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.677129] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.678335] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.680068] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.685467] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.686117] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.686262] Non-volatile memory driver v1.3 <6>[ 1.687288] Linux agpgart interface v0.103 <6>[ 1.688076] ACPI: bus type drm_connector registered <6>[ 1.688710] [drm] amdgpu kernel modesetting enabled. <6>[ 1.692057] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.744384] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.746204] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.770771] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.774529] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.790626] loop: module loaded <6>[ 1.791793] lkdtm: No crash points registered, enable through debugfs <6>[ 1.816779] printk: console [ttyS0] disabled <6>[ 1.817518] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.654059] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.654093] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.654287] clocksource: Switched to clocksource tsc <6>[ 5.436702] printk: console [ttyS0] enabled <6>[ 5.436724] fbcon: i915drmfb (fb0) is primary device <6>[ 5.448582] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <4>[ 5.450705] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.459484] e100: Intel(R) PRO/100 Network Driver <6>[ 5.459487] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.459612] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.459614] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.459696] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.459698] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.459789] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.459792] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.459854] sky2: driver version 1.30 <6>[ 5.460174] usbcore: registered new interface driver r8152 <6>[ 5.460656] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.460675] ehci-pci: EHCI PCI platform driver <6>[ 5.460745] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.460762] ohci-pci: OHCI PCI platform driver <6>[ 5.460825] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.461381] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.462002] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.463123] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.464577] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.464639] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.466491] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.466958] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.466971] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.467538] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.467585] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.467591] usb usb1: Product: xHCI Host Controller <6>[ 5.467596] usb usb1: Manufacturer: Linux 5.10.205-cip41 xhci-hcd <6>[ 5.467600] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.469586] hub 1-0:1.0: USB hub found <6>[ 5.469772] hub 1-0:1.0: 12 ports detected <6>[ 5.473731] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.473736] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.473740] usb usb2: Product: xHCI Host Controller <6>[ 5.473744] usb usb2: Manufacturer: Linux 5.10.205-cip41 xhci-hcd <6>[ 5.473749] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.474703] hub 2-0:1.0: USB hub found <6>[ 5.474757] hub 2-0:1.0: 6 ports detected <6>[ 5.476558] usbcore: registered new interface driver usblp <6>[ 5.476637] usbcore: registered new interface driver usb-storage <6>[ 5.477147] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.477277] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.477280] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.477972] i8042: Warning: Keylock active <6>[ 5.478218] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.478848] Console: switching to colour frame buffer device 240x67 <6>[ 5.480989] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.483283] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.485480] rtc_cmos 00:02: registered as rtc0 <6>[ 5.485750] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.485765] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.486867] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.486909] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.487970] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.489757] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.489801] intel_pstate: Intel P-state driver initializing <6>[ 5.490726] intel_pstate: HWP enabled <6>[ 5.490758] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.490759] sdhci: Copyright(c) Pierre Ossman <6>[ 5.490788] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.491735] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.491916] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.493286] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.493857] usbcore: registered new interface driver usbhid <6>[ 5.493859] usbhid: USB HID core driver <6>[ 5.494322] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.499348] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.509811] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.586655] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.153/cr50_v2.94_mp.151-b967c <6>[ 5.592617] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.719317] mmc0: new HS400 MMC card at address 0001 <6>[ 5.719553] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.721721] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.726278] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.735692] IPv4 over IPsec tunneling driver <6>[ 5.743814] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.749780] Initializing XFRM netlink socket <6>[ 5.756737] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.762465] NET: Registered protocol family 10 <6>[ 5.776495] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.778732] Segment Routing with IPv6 <6>[ 5.799639] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.803732] NET: Registered protocol family 17 <6>[ 5.849600] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.854074] 8021q: 802.1Q VLAN Support v1.8 <6>[ 5.861686] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.082265] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <5>[ 6.083496] Key type dns_resolver registered <3>[ 6.105018] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.134700] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.141602] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.149032] microcode: Microcode Update Driver: v2.2. <6>[ 6.155297] IPI shorthand broadcast: enabled <6>[ 6.166360] sched_clock: Marking stable (6080793024, 85530556)->(6320815312, -154491732) <6>[ 6.168054] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.185203] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.185521] registered taskstats version 1 <6>[ 6.193478] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.193480] usb 2-3: Manufacturer: Realtek <5>[ 6.198378] Loading compiled-in X.509 certificates <6>[ 6.203951] usb 2-3: SerialNumber: 001000001 <6>[ 6.221102] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.230975] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.240410] PM: Magic number: 3:126:52 <6>[ 6.245265] printk: console [netcon0] enabled <6>[ 6.250435] netconsole: network logging started <6>[ 6.298774] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.465917] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.475393] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.483681] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.489346] usb 1-9: Manufacturer: Azurewave <6>[ 6.494428] usb 1-9: SerialNumber: 0x0001 <6>[ 6.506208] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.549771] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.594820] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.631379] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.636753] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.286114] r8152 2-3:1.0 eth0: carrier on <6>[ 8.291235] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.302680] Sending DHCP requests .., OK <6>[ 10.667486] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 10.676760] IP-Config: Complete: <6>[ 10.680686] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.692668] host=asus-c433ta-aj0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 10.702210] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.702213] nameserver0=192.168.201.1 <5>[ 10.715661] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.727494] modprobe (100) used greatest stack depth: 14120 bytes left <5>[ 10.730502] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.742959] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.743654] ALSA device list: <6>[ 10.752976] cfg80211: failed to load regulatory.db <6>[ 10.756598] No soundcards found. <4>[ 10.766757] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.776721] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.790823] Write protecting the kernel read-only data: 36864k <6>[ 10.798600] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.806748] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.814527] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.834684] systemd-udevd (122) used greatest stack depth: 13624 bytes left <6>[ 10.883690] udevadm (124) used greatest stack depth: 13592 bytes left <6>[ 11.014791] chromeos ramoops using acpi device. <6>[ 11.020288] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.031346] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.042332] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.042573] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <4>[ 11.054972] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.066117] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.087240] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.105026] Registered efivars operations <6>[ 11.109916] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.117559] gsmi version 1.0 loaded <6>[ 11.237694] 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>[ 11.255211] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.268005] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.281630] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.294210] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.306288] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.317177] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.317687] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.327971] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.339640] 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>[ 11.355420] usbcore: registered new interface driver uvcvideo <6>[ 11.356384] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.362156] USB Video Class driver (1.1.1) <6>[ 11.382369] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.391629] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.392229] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.411892] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.430468] udevadm (138) 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:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.591355] nfsmount (168) used greatest stack depth: 12544 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>[ 12.887309] 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>[ 12.925834] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 12.960754] systemd[1]: Set hostname to . <30>[ 13.495427] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.507856] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.524169] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.541185] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.558127] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.575067] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.597119] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.616850] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.639923] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.656936] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.670886] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.686886] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.700888] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.712142] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.731179] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.748071] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.765304] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.781132] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.800671] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.817239] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.834755] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 13.851328] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 13.870257] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 13.887314] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 13.913149] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 13.933211] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 13.950783] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 13.965407] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 13.984898] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 13.998858] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 14.013407] fuse: init (API version 7.32) <30>[ 14.021784] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.036169] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.055164] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.071444] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.086896] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.103793] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.118792] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.134777] 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>[ 14.157661] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.165252] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.181511] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.188507] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.204607] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.211740] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.227543] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 14.243136] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0<46>[ 14.333918] systemd-journald[205]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 15.891672] systemd-tmpfile (216) used greatest stack depth: 12384 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] 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 Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.205-cip41 #1 SMP Wed Dec 20 23:45:18 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/12331915/extract-nfsrootfs-1iuxjcv6' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12331915/extract-nfsrootfs-1iuxjcv6' / # 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-12331915/environment . /lava-12331915/environment / # /lava-12331915/bin/lava-test-runner /lava-12331915/0 /lava-12331915/bin/lava-test-runner /lava-12331915/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12331915/0/tests/0_timesync-off ++ cat uuid + UUID=12331915_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-12331915/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12331915_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/v5.10.201-cip41-540-g3640150b3b169/x86_64/x86_64_defconfig+x86-board+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 --2023-12-21 00:04:41-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-540-g3640150b3b169/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3379268 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 190KB/s kselftest.tar.xz 6%[> ] 219.84K 416KB/s kselftest.tar.xz 24%[===> ] 819.40K 839KB/s kselftest.tar.xz 71%[=============> ] 2.31M 1.85MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.33MB/s in 1.4s 2023-12-21 00:04:43 (2.33 MB/s) - 'kselftest.tar.xz' saved [3379268/3379268] 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 =============== shardfile-lkdtm pass <12>[ 31.251012] 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>[ 31.735367] lkdtm: Performing direct entry BUG <4>[ 31.740705] ------------[ cut here ]------------ <2>[ 31.746318] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 31.752465] invalid opcode: 0000 [#1] SMP PTI <4>[ 31.757627] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.205-cip41 #1 <4>[ 31.766477] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.773576] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.778247] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 31.799506] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 31.805620] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.813879] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 31.822137] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.830396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.838655] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 31.846914] FS: 00007f427820c580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 31.856231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.862936] CR2: 00007f4278016000 CR3: 0000000103e78004 CR4: 00000000003706e0 <4>[ 31.871194] Call Trace: <4>[ 31.874214] ? __die_body.cold+0x1a/0x1f <4>[ 31.878880] ? die+0x2b/0x50 <4>[ 31.882384] ? do_trap+0x91/0x110 <4>[ 31.886371] ? lkdtm_BUG+0x5/0x10 <4>[ 31.890360] ? do_error_trap+0x90/0x110 <4>[ 31.894930] ? lkdtm_BUG+0x5/0x10 <4>[ 31.898916] ? lkdtm_BUG+0x5/0x10 <4>[ 31.902906] ? exc_invalid_op+0x4e/0x70 <4>[ 31.907477] ? lkdtm_BUG+0x5/0x10 <4>[ 31.911465] ? asm_exc_invalid_op+0x12/0x20 <4>[ 31.916424] ? direct_entry+0xe0/0xe0 <4>[ 31.920800] ? lkdtm_BUG+0x5/0x10 <4>[ 31.924789] direct_entry.cold+0x2c/0x38 <4>[ 31.929458] full_proxy_write+0x53/0x80 <4>[ 31.934036] vfs_write+0xe7/0x3b0 <4>[ 31.938024] ksys_write+0x68/0xf0 <4>[ 31.942004] do_syscall_64+0x30/0x40 <4>[ 31.946283] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 31.952213] RIP: 0033:0x7f4278122473 <4>[ 31.956491] 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>[ 31.977752] RSP: 002b:00007ffdadafa9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.986496] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4278122473 <4>[ 31.994745] RDX: 0000000000000004 RSI: 00007f4278016000 RDI: 0000000000000001 <4>[ 32.003003] RBP: 00007f4278016000 R08: 00007f4278015010 R09: 0000000000000000 <4>[ 32.011262] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.019520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.027783] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 32.082454] gsmi: Log Shutdown Reason 0x03 <4>[ 32.087332] ---[ end trace fc66307ea2d46680 ]--- <4>[ 32.092791] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.097462] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 32.118733] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 32.124867] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.133137] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 32.141429] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.149720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.158010] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 32.166272] FS: 00007f427820c580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 32.175617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.182354] CR2: 00007f4278016000 CR3: 0000000103e78004 CR4: 00000000003706e0 # Segmentation fault # [ 31.735367] lkdtm: Performing direct entry BUG # [ 31.740705] ------------[ cut here ]------------ # [ 31.746318] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.752465] invalid opcode: 0000 [#1] SMP PTI # [ 31.757627] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.205-cip41 #1 # [ 31.766477] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.773576] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.778247] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 31.799506] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <6>[ 32.272115] lkdtm: Performing direct entry WARNING # [ 31.805620] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX<4>[ 32.279587] ------------[ cut here ]------------ <4>[ 32.291232] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 : 0000000000000000 # [ 31.813879] RDX: 0000000000000000 RSI: <4>[ 32.300983] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 32.359959] CPU: 3 PID: 675 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 32.368834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.375931] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 32.381087] 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 e0 7e 0b 03 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 c1 7e <4>[ 32.402378] RSP: 0018:ffffb9fe413ffe60 EFLAGS: 00010202 ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 31.822137] RBP: ff<4>[ 32.408509] RAX: ffffffffa257be20 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 32.422984] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84c0 <4>[ 32.431245] RBP: ffffffffa3b8289f R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.439505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 32.447764] R13: ffffb9fe413fff10 R14: ffffb9fe413fff10 R15: ffffa020c2a4c000 <4>[ 32.456026] FS: 00007f7f8d9d5580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 32.465377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 32.472100] CR2: 00007f7f8d7df000 CR3: 0000000103fee006 CR4: 00000000003706e0 <4>[ 32.486568] Call Trace: <4>[ 32.489591] ? __warn+0x80/0x110 <4>[ 32.493489] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.497964] ? report_bug+0x9e/0xc0 <4>[ 32.502150] ? handle_bug+0x41/0x90 <4>[ 32.506356] ? exc_invalid_op+0x14/0x70 <4>[ 32.510928] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.515890] ? lkdtm_BUG+0x10/0x10 <4>[ 32.519978] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.524456] direct_entry.cold+0x2c/0x38 <4>[ 32.529128] full_proxy_write+0x53/0x80 <4>[ 32.533703] vfs_write+0xe7/0x3b0 <4>[ 32.537717] ksys_write+0x68/0xf0 <4>[ 32.541708] do_syscall_64+0x30/0x40 <4>[ 32.545990] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.551921] RIP: 0033:0x7f7f8d8eb473 <4>[ 32.556202] 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>[ 32.577470] RSP: 002b:00007ffe475884e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.586216] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7f8d8eb473 <4>[ 32.594467] RDX: 0000000000000008 RSI: 00007f7f8d7df000 RDI: 0000000000000001 <4>[ 32.602727] RBP: 00007f7f8d7df000 R08: 00007f7f8d7de010 R09: 0000000000000000 <4>[ 32.610988] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.619248] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.627504] irq event stamp: 0 <4>[ 32.631208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.638498] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.647923] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.657347] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.664637] ---[ end trace fc66307ea2d46681 ]--- 31.830396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.838655] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 31.846914] FS: 00007f427820c580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 31.856231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.862936] CR2: 00007f4278016000 CR3: 0000000103e78004 CR4: 00000000003706e0 # [ 31.871194] Call Trace: # [ 31.874214] ? __die_body.cold+0x1a/0x1f # [ 31.878880] ? die+0x2b/0x50 # [ 31.882384] ? do_trap+0x91/0x110 # [ 31.886371] ? lkdtm_BUG+0x5/0x10 # [ 31.890360] ? do_error_trap+0x90/0x110 # [ 31.894930] ? lkdtm_BUG+0x5/0x10 # [ 31.898916] ? lkdtm_BUG+0x5/0x10 # [ 31.902906] ? exc_invalid_op+0x4e/0x70 # [ 31.907477] ? lkdtm_BUG+0x5/0x10 # [ 31.911465] ? asm_exc_invalid_op+0x12/0x20 # [ 31.916424] ? direct_entr<6>[ 32.751324] lkdtm: Performing direct entry WARNING_MESSAGE y+0xe0/0xe0 # [ 31.920800] ? lkdtm_BUG+0x5/0x10 # [ 31.92<4>[ 32.763586] ------------[ cut here ]------------ 4789] direct_entry.cold+0x2c/0x38 # [ 31.929458] full_proxy<4>[ 32.775248] Warning message trigger count: 2 _write+0x53/0x80 # [ 31.934036] vfs_write+0xe7/0x3b0 # [ <4>[ 32.786575] WARNING: CPU: 0 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 31.938024] ksys_write+0x68/0xf0 # [ 31.942004] do_syscall_6<4>[ 32.803310] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table 4+0x30/0x40 # [ 31.946283] entry_SYSCALL_64_after_hwframe+0x<4>[ 32.862198] CPU: 0 PID: 711 Comm: cat Tainted: G D W 5.10.205-cip41 #1 62/0xc7 # [ 31.952213] RIP: 0033:0x7f4278122473 # [ 31.956<4>[ 32.877327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 491] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[ 32.890672] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 <4>[ 32.902759] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 7e 0b 03 48 c7 c7 00 2e b8 a3 8d 70 01 89 35 b1 7e 0b 03 e8 8a b8 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48<4>[ 32.930231] RSP: 0018:ffffb9fe41497e60 EFLAGS: 00010286 89 54 24 18 # [ 31.977752] RSP: 002b:00007ffdadafa9d8 EFLAGS<4>[ 32.942616] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 : 00000246 ORIG_RAX: 0000000000000001 # [ 31.986496] RAX: fff<4>[ 32.957069] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 fffffffffffda RBX: 0000000000000004 RCX: 00007f4278122473 # [ <4>[ 32.971580] RBP: ffffffffa3b828a7 R08: 0000000000000000 R09: 0000000000000000 31.994745] RDX: 0000000000000004 RSI: 00007f4278016000 RDI: 000<4>[ 32.986027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0000000000001 # [ 32.003003] RBP: 00007f4278016000 R08: 00007<4>[ 33.000504] R13: ffffb9fe41497f10 R14: ffffb9fe41497f10 R15: ffffa020c2a44000 f4278015010 R09: 0000000000000000 # [ 32.011262] R10: fffffff<4>[ 33.014981] FS: 00007f5d888bf580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.<4>[ 33.030537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 019520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<4>[ 33.043451] CR2: 00007f5d886c9000 CR3: 0000000103e20001 CR4: 00000000003706f0 000020000 # [ 32.027783] Modules linked in: fuse ip_tables cr<4>[ 33.057935] Call Trace: os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[ 33.067168] ? __warn+0x80/0x110 o_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvide<4>[ 33.077284] ? lkdtm_WARNING_MESSAGE+0x20/0x30 o videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd<4>[ 33.088746] ? report_bug+0x9e/0xc0 _logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_<4>[ 33.099171] ? handle_bug+0x41/0x90 sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v<4>[ 33.109564] ? exc_invalid_op+0x14/0x70 4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vide<4>[ 33.120350] ? asm_exc_invalid_op+0x12/0x20 obuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstor<4>[ 33.131513] ? lkdtm_WARNING_MESSAGE+0x20/0x30 e cros_kbd_led_backlight coreboot_table # [ 32.082454] gsmi: <4>[ 33.143000] direct_entry.cold+0x2c/0x38 Log Shutdown Reason 0x03 # [ 32.087332] ---[ end trace fc6630<4>[ 33.153863] full_proxy_write+0x53/0x80 7ea2d46680 ]--- # [ 32.092791] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.164675] vfs_write+0xe7/0x3b0 # [ 32.097462] Code: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff ff<4>[ 33.174861] ksys_write+0x68/0xf0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 33.185088] do_syscall_64+0x30/0x40 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 33.195594] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 00 83 05 e0 7e 0b 03 # [ 32.118733] RSP: 0018:ffffb9fe413<4>[ 33.207746] RIP: 0033:0x7f5d887d5473 7fe60 EFLAGS: 00010282 # [ 32.124867] RAX: ffffffffa257be10 R<4>[ 33.218226] 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 BX: 0000000000000001 RCX: 0000000000000000 # [ 32.133137] RDX<4>[ 33.245755] RSP: 002b:00007ffd25885828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 33.260695] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f5d887d5473 # [ 32.141429] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09<4>[ 33.275185] RDX: 0000000000000010 RSI: 00007f5d886c9000 RDI: 0000000000000001 : 0000000000000001 # [ 32.149720] R10: 00000000ffffe000 R11: <4>[ 33.289634] RBP: 00007f5d886c9000 R08: 00007f5d886c8010 R09: 0000000000000000 3fffffffffffffff R12: 0000000000000004 # [ 32.158010] R13: ff<4>[ 33.304118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ <4>[ 33.318584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 32.166272] FS: 00007f427820c580(0000) GS:ffffa0213ad80000(000<4>[ 33.333091] irq event stamp: 0 0) knlGS:0000000000000000 # [ 32.175617] CS: 0010 DS: 0000 E<4>[ 33.342982] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S: 0000 CR0: 0000000080050033 # [ 32.182354] CR2: 00007f42780<4>[ 33.356505] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 16000 CR3: 0000000103e78004 CR4: 00000000003706e0 # BUG: saw 'k<4>[ 33.372131] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: l<4>[ 33.387784] softirqs last disabled at (0): [<0000000000000000>] 0x0 kdtm: WARNING.sh # [ 32.272115] lkdtm: Performing direct entr<4>[ 33.401276] ---[ end trace fc66307ea2d46682 ]--- y WARNING # [ 32.279587] ------------[ cut here ]------------ # [ 32.291232] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.300983] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.359959] CPU: 3 PID: 675 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 32.368834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.375931] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 32.381087] Code: c0 f4 ff ff ff e<6>[ 33.502811] lkdtm: Performing direct entry EXCEPTION b c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00<1>[ 33.512007] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 33.526262] #PF: supervisor write access in kernel mode <1>[ 33.532376] #PF: error_code(0x0002) - not-present page <6>[ 33.538401] PGD 0 P4D 0 <4>[ 33.541508] Oops: 0002 [#2] SMP PTI <4>[ 33.545682] CPU: 1 PID: 744 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 33.554522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.561619] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 00 83 05 e0 7e 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc c<4>[ 33.566869] Code: 48 c7 c7 00 2e b8 a3 8d 70 01 89 35 b1 7e 0b 03 e8 8a b8 69 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>[ 33.594349] RSP: 0018:ffffb9fe414efe60 EFLAGS: 00010282 <4>[ 33.600472] RAX: ffffffffa257be70 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 33.608731] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffffffa36f84e0 <4>[ 33.616990] RBP: ffffffffa3a7650f R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.625249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 33.633506] R13: ffffb9fe414eff10 R14: ffffb9fe414eff10 R15: ffffa020c3912000 <4>[ 33.641766] FS: 00007f3a302ad580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 33.651092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.657798] CR2: 0000000000000000 CR3: 0000000102ac4006 CR4: 00000000003706e0 <4>[ 33.666057] Call Trace: c [ 33.669076] ? __die_body.cold+0x1a/0x1f <4>[ 33.679961] ? no_context+0x177/0x380 78] RSP: 0018:ffffb9fe413ffe60 EFLAGS: 00010202 # [ 32.408509<4>[ 33.684341] ? exc_page_fault+0x53/0x170 <4>[ 33.695216] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.700175] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 33.705427] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 33.709998] direct_entry.cold+0x2c/0x38 <4>[ 33.714666] full_proxy_write+0x53/0x80 ] RAX: ffffffffa257be20 RBX: 0000000000000002 RCX: 0000000000000<4>[ 33.719238] vfs_write+0xe7/0x3b0 <4>[ 33.729437] ksys_write+0x68/0xf0 <4>[ 33.733425] do_syscall_64+0x30/0x40 <4>[ 33.737706] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.743626] RIP: 0033:0x7f3a301c3473 <4>[ 33.747894] 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>[ 33.769164] RSP: 002b:00007ffe052ce428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.777900] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3a301c3473 <4>[ 33.786158] RDX: 000000000000000a RSI: 00007f3a300b7000 RDI: 0000000000000001 <4>[ 33.794416] RBP: 00007f3a300b7000 R08: 00007f3a300b6010 R09: 0000000000000000 <4>[ 33.802675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.810934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 # [ 32.422984] RDX: 0000000000000000 RSI: ffffa0213ad9bf5<4>[ 33.819198] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 33.878138] CR2: 0000000000000000 <4>[ 33.882124] ---[ end trace fc66307ea2d46683 ]--- <4>[ 33.887569] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.892235] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 33.913493] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 33.919616] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.927874] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 33.936132] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.944390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.952648] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 33.960906] FS: 00007f3a302ad580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 33.970232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.976936] CR2: 0000000000000000 CR3: 0000000102ac4006 CR4: 00000000003706e0 <3>[ 33.985194] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.995395] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat <4>[ 34.004040] INFO: lockdep is turned off. <4>[ 34.008707] irq event stamp: 0 <4>[ 34.012402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.019692] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.029109] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.038524] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.045813] CPU: 1 PID: 744 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 34.054655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.061750] Call Trace: <4>[ 34.064769] dump_stack+0x77/0x9b 0 RDI: ffffffffa36f84c0 # [ 32.431245] RBP: ffffffffa3b8289f <4>[ 34.068759] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.079832] exit_signals+0x1c/0x300 R08: 0000000000000000 R09: 0000000000000000 # [ 32.439505] R1<4>[ 34.084114] do_exit+0xc2/0xab0 <4>[ 34.094119] ? ksys_write+0x68/0xf0 <4>[ 34.098302] make_task_dead+0x2f/0x30 <4>[ 34.102671] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.108213] RIP: 0033:0x7f3a301c3473 <4>[ 34.112482] 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>[ 34.133753] RSP: 002b:00007ffe052ce428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.142499] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3a301c3473 <4>[ 34.150759] RDX: 000000000000000a RSI: 00007f3a300b7000 RDI: 0000000000000001 <4>[ 34.159019] RBP: 00007f3a300b7000 R08: 00007f3a300b6010 R09: 0000000000000000 <4>[ 34.167279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.175537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 32.447764] R13: ffffb9fe413fff10 R14: ffffb9fe413fff10 R15: ffffa020c2a4c000 # [ 32.456026] FS: 00007f7f8d9d5580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 32.465377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.472100] CR2: 00007f7f8d7df000 CR3: 0000000103fee006 CR4: 00000000003706e0 # [ 32.486568] Call Trace: # [ 32.489591] ? __warn+0x80/0x110 # [ 32.493489] ? lkdtm_WARNING+0x13/0x20 # [ 32.497964] ? report_bug+0x9e/0xc0 # [ 32.502150] ? handle_bug+0x41/0x90 # [ 32.506356] ? exc_invalid_op+0x14/0x70 # [ 32.510928] ? asm_exc_invalid_op+0x12/0x20 # [ 32.515890] ? lkdtm_BUG+0x10/0x10 # [ 32.519978] ? lkdtm_WARNING+0x13/0x20 # [ 32.524456] direct_entry.cold+0x2c/0x38 # [ 32.529128] full_proxy_write+0x53/0x80 # [ 32.533703] vfs_write+0xe7/0x3b0 # [ 32.537717] ksys_write+0x68/0xf0 # [ 32.541708] do_syscall_64+0x30/0x40 # [ 32.545990] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 32.551921] RIP: 0033:0x7f7f8d8eb473 # [ 32.556202] 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 # [ 32.577470] RSP: 002b:00007ffe475884e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.586216] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7f8d8eb473 # [ 32.594467] RDX: 0000000000000008 RSI: 00007f7f8d7df000 RDI: 0000000000000001 # [ 32.602727] RBP: 00007f7f8d7df000 R08: 00007f7f8d7de010 R09: 0000000000000000 # [ 32.610988] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.619248] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.627504] irq event stamp: 0 # [ 32.631208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.638498] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.647923] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.657347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.664637] ---[ end trace fc66307ea2d46681 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 32.751324] lkdtm: Performing direct entry WARNING_MESSAGE # [ 32.763586] ------------[ cut here ]------------ # [ 32.775248] Warning message trigger count: 2 # [ 32.786575] WARNING: CPU: 0 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.803310] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.862198] CPU: 0 PID: 711 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 32.877327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.890672] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.902759] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 7e 0b 03 48 c7 c7 00 2e b8 a3 8d 70 01 89 35 b1 7e 0b 03 e8 8a b8 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 32.930231] RSP: 0018:ffffb9fe41497e60 EFLAGS: 00010286 # [ 32.942616] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 32.9<6>[ 34.549641] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 34.557282] lkdtm: attempting good list addition <6>[ 34.562739] lkdtm: attempting corrupted list addition <3>[ 34.568680] lkdtm: list_add() corruption not detected! 57069] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 # [ 32.971580] RBP: ffffffffa3b828a7 R08: 0000000000000000 R09: 0000000000000000 # [ 32.986027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.000504] R13: ffffb9fe41497f10 R14: ffffb9fe41497f10 R15: ffffa020c2a44000 # [ 33.014981] FS: 00007f5d888bf580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 # [ 33.030537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.043451] CR2: 00007f5d886c9000 CR3: 0000000103e20001 CR4: 00000000003706f0 # [ 33.057935] Call Trace: # [ 33.067168] ? __warn+0x80/0x110 # [ 33.077284] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.088746] ? report_bug+0x9e/0xc0 # [ 33.099171] ? handle_bug+0x41/0x90 # [ 33.109564] ? exc_invalid_op+0x14/0x70 # [ 33.120350] ? asm_exc_invalid_op+0x12/0x20 # [ 33.131513] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.143000] direct_entry.c<6>[ 34.663846] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 34.674631] lkdtm: attempting good list removal old+0x2c/0x38 # [ 33.153863] full_proxy_write+0x53/0x80 # [<6>[ 34.680008] lkdtm: attempting corrupted list removal <3>[ 34.692051] lkdtm: list_del() corruption not detected! 33.164675] vfs_write+0xe7/0x3b0 # [ 33.174861] ksys_write+0x68/0xf0 # [ 33.185088] do_syscall_64+0x30/0x40 # [ 33.195594] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.207746] RIP: 0033:0x7f5d887d5473 # [ 33.218226] 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 # [ 33.245755] RSP: 002b:00007ffd25885828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.260695] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f5d887d5473 # [ 33.275185] RDX: 0000000000000010 RSI: 00007f5d886c9000 RDI: 0000000000000001 # [ 33.289634] RBP: 00007f5d886c9000 R08: 00007f5d886c8010 R09: 0000000000000000 # [ 33.304118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.318584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.333091] irq event stamp: 0 # [ 33.342982] hardirqs last enabl<6>[ 34.793902] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ed at (0): [<0000000000000000>] 0x0 # [ 33.356505] hardirqs l<6>[ 34.804908] lkdtm: attempting bad read from page below current stack ast disabled at (0): [] copy_process+0x65c/0x2<0>[ 34.818517] BUG: stack guard page was hit at 000000008250179a (stack is 000000008350cbcd..0000000080adc240) <4>[ 34.835892] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0e0 # [ 33.372131] softirqs last enabled at (0): [[ 34.842988] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 34.858046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.865146] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a 1afd6cc>] copy_process+0x65c/0x20e0 # [ 33.387784] softirqs l<4>[ 34.871954] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 b8 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 e0 31 b8 a3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 <4>[ 34.899447] RSP: 0018:ffffb9fe418cfe50 EFLAGS: 00010246 <4>[ 34.905572] RAX: 0000000000000038 RBX: ffffb9fe418cc000 RCX: 0000000000000000 <4>[ 34.913833] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffffffa3b831e0 <4>[ 34.922094] RBP: ffffffffa3b8290a R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.930355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 34.938625] R13: ffffb9fe418cff10 R14: ffffb9fe418cff10 R15: ffffa020c5b68000 <4>[ 34.946886] FS: 00007fdf29de5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 34.956217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.962925] CR2: ffffb9fe418cbfff CR3: 0000000103fda003 CR4: 00000000003706e0 <4>[ 34.971188] Call Trace: <4>[ 34.974205] <#DF> <4>[ 34.976738] ? __die_body.cold+0x1a/0x1f ast disabled at (0): [<0000000000000000>] 0x0 # [ 33.401276] <4>[ 34.981408] ? die+0x2b/0x50 <4>[ 34.991124] ? handle_stack_overflow+0x3e/0x4d <4>[ 34.996376] ? no_context+0x24d/0x380 <4>[ 35.000743] ---[ end trace fc66307ea2d46682 ]--- # WARNING_MESSAGE: saw 'me<4>[ 35.003372] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.062346] ---[ end trace fc66307ea2d46684 ]--- <4>[ 35.067793] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.072462] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 35.093731] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 35.099858] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.108120] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 35.116380] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.124642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.132906] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 35.141168] FS: 00007fdf29de5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 35.150499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.157206] CR2: ffffb9fe418cbfff CR3: 0000000103fda003 CR4: 00000000003706e0 <3>[ 35.165468] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.175673] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat <4>[ 35.184323] INFO: lockdep is turned off. <4>[ 35.188991] irq event stamp: 0 <4>[ 35.192688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.199980] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.209406] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.218833] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.226125] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 35.234960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.242056] Call Trace: <4>[ 35.245075] dump_stack+0x77/0x9b <4>[ 35.249065] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.253921] exit_signals+0x1c/0x300 ssage trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh #<4>[ 35.258203] do_exit+0xc2/0xab0 <4>[ 35.268213] ? ksys_write+0x68/0xf0 <4>[ 35.272397] make_task_dead+0x2f/0x30 <4>[ 35.276776] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.282311] RIP: 0033:0x7fdf29cfb473 <4>[ 35.286583] 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>[ 35.307860] RSP: 002b:00007ffdf066c288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.316626] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fdf29cfb473 <4>[ 35.324887] RDX: 0000000000000019 RSI: 00007fdf29bef000 RDI: 0000000000000001 <4>[ 35.333148] RBP: 00007fdf29bef000 R08: 00007fdf29bee010 R09: 0000000000000000 <4>[ 35.341409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.349670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 selftests: lkdtm: EXCEPTION.sh # Killed # [ 33.502811] lkdtm: Performing direct entry EXCEPTION # [ 33.512007] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 33.526262] #PF: supervisor write access in kernel mode # [ 33.532376] #PF: error_code(0x0002) - not-present page # [ 33.538401] PGD 0 P4D 0 # [ 33.541508] Oops: 0002 [#2] SMP PTI # [ 33.545682] CPU: 1 PID: 744 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 33.554522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.561619] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 33.566869] Code: 48 c7 c7 00 2e b8 a3 8d 70 01 89 35 b1 7e 0b 03 e8 8a b8 69 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 # [ 33.594349] RSP: 0018:ffffb9fe414efe60 EFLAGS: 00010282 # [ 33.600472] RAX: ffffffffa257be70 RBX: 0000000000000004 RCX: 0000000000000000 # [ 33.608731] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI:<6>[ 35.456938] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 35.464797] lkdtm: attempting bad read from page above current stack ffffffffa36f84e0 # [ 33.616990] RBP: ffffffffa3a7650f R08: 0<0>[ 35.472262] BUG: stack guard page was hit at 00000000d6b57272 (stack is 00000000e69f7872..00000000f84b4abf) <4>[ 35.489655] kernel stack overflow (page fault): 0000 [#4] SMP PTI 000000000000000 R09: 0000000000000000 # [ 33.625249] R10: 000<4>[ 35.496753] CPU: 2 PID: 1010 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 35.511907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00<000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 4>[ 35.519006] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 35.532125] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 b8 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 58 32 b8 a3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff <4>[ 35.553404] RSP: 0018:ffffb9fe4196fe50 EFLAGS: 00010246 <4>[ 35.559532] RAX: 0000000000000038 RBX: ffffb9fe4196c000 RCX: 0000000000000000 <4>[ 35.567795] RDX: 0000000000000000 RSI: ffffa0213ad1bf50 RDI: ffffffffa3b83258 <4>[ 35.576058] RBP: ffffffffa3b82923 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.584320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 35.592582] R13: ffffb9fe4196ff10 R14: ffffb9fe4196ff10 R15: ffffa020c3e76000 <4>[ 35.600844] FS: 00007fbdaf8fa580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 35.610175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.616883] CR2: ffffb9fe41970000 CR3: 0000000102a6a002 CR4: 00000000003706e0 <4>[ 35.625146] Call Trace: <4>[ 35.628165] <#DF> <4>[ 35.630699] ? __die_body.cold+0x1a/0x1f <4>[ 35.635370] ? die+0x2b/0x50 <4>[ 35.638874] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.644116] ? no_context+0x24d/0x380 <4>[ 35.648484] 33.633506] R13: ffffb9fe414eff10 R14: ffffb9fe414eff10 R15: fff<4>[ 35.651111] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.710114] ---[ end trace fc66307ea2d46685 ]--- <4>[ 35.715570] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.720238] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 35.741505] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 35.747631] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.755893] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 35.764154] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.772415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.780677] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 35.788939] FS: 00007fbdaf8fa580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 35.798268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.804975] CR2: ffffb9fe41970000 CR3: 0000000102a6a002 CR4: 00000000003706e0 fa020c3912000 # [ 33.641766] FS: 00007f3a302ad580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 33.651092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.657798] CR2: 0000000000000000 CR3: 0000000102ac4006 CR4: 00000000003706e0 # [ 33.666057] Call Trace: # [ 33.669076] ? __die_body.cold+0x1a/0x1f # [ 33.679961] ? no_context+0x177/0x380 # [ 33.684341] ? exc_page_fault+0x53/0x170 # [ 33.695216] ? asm_exc_page_fault+0x1e/0x30 # [ 33.700175] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 33.705427] ? lkdtm_EXCEPTION+0x5/0x20 # [ 33.709998] direct_entry.cold+0x2c/0x38 # [ 33.714666] full_proxy_write+0x53/0x80 # [ 33.719238] vfs_write+0xe7/0x3b0 # [ 33.729437] ksys_write+0x68/0xf0 # [ 33.733425] do_syscall_64+0x30/0x40 # [ 33.737706] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.743626] RIP: 0033:0x7f3a301c3473 # [ 33.747894] 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 # [ 33.769164] RSP: 002b:00007ffe052ce428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.777900] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3a3<6>[ 35.931725] lkdtm: Performing direct entry UNSET_SMEP <6>[ 35.943550] lkdtm: trying to clear SMEP normally <4>[ 35.949059] ------------[ cut here ]------------ 01c3473 # [ 33.786158] RDX: 000000000000000a RSI: 00007f3a300<4>[ 35.954542] pinned CR4 bits changed: 0x100000!? <4>[ 35.966094] WARNING: CPU: 2 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 <4>[ 35.976597] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table b7000 RDI: 0000000000000001 # [ 33.794416] RBP: 00007f3a300b7<4>[ 36.029389] CPU: 2 PID: 1047 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 36.044539] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.051640] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 36.057091] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 a8 a3 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 36.078399] RSP: 0018:ffffb9fe419e7e48 EFLAGS: 00010286 <4>[ 36.084528] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 36.092794] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 <4>[ 36.101058] RBP: ffffffffa3b8293d R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.109322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 36.117587] R13: ffffb9fe419e7f10 R14: ffffb9fe419e7f10 R15: ffffa020c6122000 <4>[ 36.125855] FS: 00007f553bf15580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 36.135188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.141899] CR2: 00007f553bd1f000 CR3: 000000010372e002 CR4: 00000000003706e0 <4>[ 36.150164] Call Trace: <4>[ 36.153189] ? __warn+0x80/0x110 000 R08: 00007f3a300b6010 R09: 0000000000000000 # [ 33.802675<4>[ 36.157114] ? native_write_cr4+0x45/0x60 <4>[ 36.168091] ? report_bug+0x9e/0xc0 <4>[ 36.172304] ? handle_bug+0x41/0x90 <4>[ 36.176521] ? exc_invalid_op+0x14/0x70 <4>[ 36.181098] ? asm_exc_invalid_op+0x12/0x20 <4>[ 36.186064] ? native_write_cr4+0x45/0x60 <4>[ 36.190865] ? native_write_cr4+0x45/0x60 <4>[ 36.195633] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 36.200791] direct_entry.cold+0x2c/0x38 <4>[ 36.205466] full_proxy_write+0x53/0x80 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 36.210076] vfs_write+0xe7/0x3b0 001 # [ 33.810934] R13: 0000000000000001 R14: 000000000002000<4>[ 36.220281] ksys_write+0x68/0xf0 0 R15: 0000000000020000 # [ 33.819198] Modules linked in: fus<4>[ 36.230485] do_syscall_64+0x30/0x40 <4>[ 36.240981] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 36.246940] RIP: 0033:0x7f553be2b473 <4>[ 36.251222] 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>[ 36.272494] RSP: 002b:00007ffc0fff6918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_co<4>[ 36.281247] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f553be2b473 <4>[ 36.295723] RDX: 000000000000000b RSI: 00007f553bd1f000 RDI: 0000000000000001 <4>[ 36.303988] RBP: 00007f553bd1f000 R08: 00007f553bd1e010 R09: 0000000000000000 <4>[ 36.312257] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 re industrialio_triggered_buffer kfifo_buf industrialio snd_soc_<4>[ 36.320573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 36.335072] irq event stamp: 0 da7219 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_light<4>[ 36.338782] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.352284] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.361716] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.371177] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.378469] ---[ end trace fc66307ea2d46686 ]--- <6>[ 36.383918] lkdtm: ok: SMEP did not get cleared <6>[ 36.389266] lkdtm: trying to clear SMEP with call gadget <6>[ 36.395492] lkdtm: ok: SMEP removal was reverted bar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 33.878138] CR2: 0000000000000000 # [ 33.882124] ---[ end trace fc66307ea2d46683 ]--- # [ 33.887569] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.892235] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 33.913493] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 33.919616] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.927874] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 33.936132] RBP: ffffffffa3be8c28 R08: 000000000000000<6>[ 36.488476] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 36.500366] lkdtm: XFAIL: this test is ia32-only 1 R09: 0000000000000001 # [ 33.944390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.952648] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 33.960906] FS: 00007f3a302ad580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 33.970232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.976936] CR2: 0000000000000000 CR3: 0000000102ac4006 CR4: 00000000003706e0 # [ 33.985194] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.995395] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat # [ 34.004040] INFO: lockdep is turned off. # [ 34.008707] irq event stamp: 0 # [ 34.012402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.019692] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.029109] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.038524] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.045813] CPU: 1 PID: 744 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 34.054655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.061750] Call Trace: # [ 34.064769] dump_stack+0x7<6>[ 36.625553] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 36.636226] lkdtm: XFAIL: this test is arm64-only 7/0x9b # [ 34.068759] ___might_sleep.cold+0xa6/0xb6 # [ 34.079832] exit_signals+0x1c/0x300 # [ 34.084114] do_exit+0xc2/0xab0 # [ 34.094119] ? ksys_write+0x68/0xf0 # [ 34.098302] make_task_dead+0x2f/0x30 # [ 34.102671] rewind_stack_and_make_dead+0x17/0x20 # [ 34.108213] RIP: 0033:0x7f3a301c3473 # [ 34.112482] 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 # [ 34.133753] RSP: 002b:00007ffe052ce428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.142499] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3a301c3473 # [ 34.150759] RDX: 000000000000000a RSI: 00007f3a300b7000 RDI: 0000000000000001 # [ 34.159019] RBP: 00007f3a300b7000 R08: 00007f3a300b6010 R09: 0000000000000000 # [ 34.16727<6>[ 36.722661] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 36.736318] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 9] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.175537] 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 # [ 34.549641] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 34.557282] lkdtm: attempting good list addition # [ 34.562739] lkdtm: attempting corrupted list addition # [ 34.568680] 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 # [ 34.663846] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 34.674631] lkdtm: attempting good list removal # [ 34.680008] lkdtm: attempting corrupted list removal # [ 34.692051] lkdtm: list_del() corruption not detected! # CORRUP<6>[ 36.883719] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 36.893621] lkdtm: Value in memory before free: 12345678 <6>[ 36.899882] lkdtm: Attempting bad read from freed memory T_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 sel<6>[ 36.906142] lkdtm: Memory was not poisoned ftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 34.793902] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 34.804908] lkdtm: attempting bad read from page below current stack # [ 34.818517] BUG: stack guard page was hit at 000000008250179a (stack is 000000008350cbcd..0000000080adc240) # [ 34.835892] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 34.842988] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 34.858046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.865146] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 34.871954] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 b8 a3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 e0 31 b8 a3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 # [ 34.899447] RSP: 0018:ffffb9fe418cfe50 EFLAGS: 00010246 # [ 34.905572] RAX: 0000000000000038 RBX: ffffb9fe418cc000 RCX: 0000000000000000 # [ 34.913833] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffffffa3b831e0 # [ 34.922094] RBP: <6>[ 37.025173] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 37.036162] lkdtm: Value in memory before free: 12345678 <6>[ 37.042423] lkdtm: Attempting to read from freed memory <6>[ 37.048581] lkdtm: Buddy page was not poisoned ffffffffa3b8290a R08: 0000000000000000 R09: 0000000000000000 # [ 34.930355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 34.938625] R13: ffffb9fe418cff10 R14: ffffb9fe418cff10 R15: ffffa020c5b68000 # [ 34.946886] FS: 00007fdf29de5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 34.956217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.962925] CR2: ffffb9fe418cbfff CR3: 0000000103fda003 CR4: 00000000003706e0 # [ 34.971188] Call Trace: # [ 34.974205] <#DF> # [ 34.976738] ? __die_body.cold+0x1a/0x1f # [ 34.981408] ? die+0x2b/0x50 # [ 34.991124] ? handle_stack_overflow+0x3e/0x4d # [ 34.996376] ? no_context+0x24d/0x380 # [ 35.000743] # [ 35.003372] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio <6>[ 37.137773] lkdtm: Performing direct entry SLAB_FREE_DOUBLE snd_soc_da7219 uvcvideo videobuf2_vmalloc videobuf2_memops cros_<6>[ 37.147494] lkdtm: Attempting double slab free ... ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.062346] ---[ end trace fc66307ea2d46684 ]--- # [ 35.067793] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.072462] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 35.093731] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 35.099858] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.108120] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 35.116380] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 35.124642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<6>[ 37.257355] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 37.265124] lkdtm: Attempting cross-cache slab free ... 00000000004 # [ 35.132906] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 35.141168] FS: 00007fdf29de5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 35.150499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.157206] CR2: ffffb9fe418cbfff CR3: 0000000103fda003 CR4: 00000000003706e0 # [ 35.165468] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.175673] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat # [ 35.184323] INFO: lockdep is turned off. # [ 35.188991] irq event stamp: 0 # [ 35.192688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.199980] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.209406] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.218833] softirqs last disabled at (0): [<0000000000000000>] 0x0 <6>[ 37.361560] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 35.226125] CPU: 1 PID: 976 Comm: cat Tainted: G D W <6>[ 37.370874] lkdtm: Attempting non-Slab slab free ... 5.10.205-cip41 #1 # [ 35.234960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.242056] Call Trace: # [ 35.245075] dump_stack+0x77/0x9b # [ 35.249065] ___might_sleep.cold+0xa6/0xb6 # [ 35.253921] exit_signals+0x1c/0x300 # [ 35.258203] do_exit+0xc2/0xab0 # [ 35.268213] ? ksys_write+0x68/0xf0 # [ 35.272397] make_task_dead+0x2f/0x30 # [ 35.276776] rewind_stack_and_make_dead+0x17/0x20 # [ 35.282311] RIP: 0033:0x7fdf29cfb473 # [ 35.286583] 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 # [ 35.307860] RSP: 002b:00007ffdf066c288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.316626] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fdf29cfb473 # [ 35.324887] RDX: 0000000000000019 RSI: 00007fdf29bef000 RDI: 0000000000000001 # [ 35.333148] RBP: 00007fdf29bef000 R08: 00007fdf29bee010 R09: 0000000000000000 # [ 35.341409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.349670] 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 # [ 35.456938] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 35.464797] lkdtm: attempting bad read from page above current stack # [ 35.472262] BUG: stack guard page was hit at 00000000d6b57272 (stack is 00000000e69f7872..00000000f84b4abf) # [ 35.489655] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 35.496753] CPU: 2 PID: 1010 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 35.511907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.519006] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 35.532125] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 b8 a3 50 65 48 8b 04 25 40 b<6>[ 37.578282] lkdtm: Performing direct entry EXEC_DATA <6>[ 37.587648] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 37.594459] lkdtm: attempting bad execution at ffffffffa5633d40 <2>[ 37.601369] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 58 32 b8 a3 <8a> 83 <1>[ 37.610046] BUG: unable to handle page fault for address: ffffffffa5633d40 <1>[ 37.624231] #PF: supervisor instruction fetch in kernel mode <1>[ 37.630842] #PF: error_code(0x0011) - permissions violation <6>[ 37.637357] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 80000001426000e3 <4>[ 37.645427] Oops: 0011 [#5] SMP PTI <4>[ 37.649622] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 37.658567] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.665667] RIP: 0010:data_area+0x0/0x40 <4>[ 37.670336] Code: ff ff 00 02 c8 c4 20 a0 ff ff 00 01 c8 c4 20 a0 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>[ 37.691618] RSP: 0018:ffffb9fe421cfe48 EFLAGS: 00010246 <4>[ 37.697743] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.706006] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 37.714268] RBP: ffffffffa5633d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.722530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 37.730791] R13: ffffb9fe421cff10 R14: ffffb9fe421cff10 R15: ffffa020c2a6a000 <4>[ 37.739053] FS: 00007fbedde6b580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 37.748384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.755091] CR2: ffffffffa5633d40 CR3: 0000000105b6a002 CR4: 00000000003706e0 <4>[ 37.763353] Call Trace: <4>[ 37.766374] ? __die_body.cold+0x1a/0x1f <4>[ 37.771046] ? no_context+0x177/0x380 <4>[ 37.775425] ? exc_page_fault+0xd7/0x170 <4>[ 37.780094] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.785060] ? execute_location+0x45/0x56 <4>[ 37.789825] ? direct_entry.cold+0x2c/0x38 <4>[ 37.794690] ? full_proxy_write+0x53/0x80 <4>[ 37.799458] ? vfs_write+0xe7/0x3b0 <4>[ 37.803642] ? ksys_write+0x68/0xf0 <4>[ 37.807827] ? do_syscall_64+0x30/0x40 <4>[ 37.812301] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff # [<4>[ 37.818430] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 37.877432] CR2: ffffffffa5633d40 <4>[ 37.881421] ---[ end trace fc66307ea2d46687 ]--- <4>[ 37.886859] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.891526] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 37.912805] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 37.918932] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.927193] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 37.935456] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.943716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.951977] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 37.960239] FS: 00007fbedde6b580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 37.969569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.976277] CR2: ffffffffa5633d40 CR3: 0000000105b6a002 CR4: 00000000003706e0 <3>[ 37.984557] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 35.553404] RSP: 0018:ffffb9fe4196fe50 EFLAGS: 00010246 # [ <3>[ 37.994771] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat <4>[ 38.009732] INFO: lockdep is turned off. <4>[ 38.014398] irq event stamp: 0 <4>[ 38.018097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.025389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.034816] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.044243] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.051535] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 38.060478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.067574] Call Trace: <4>[ 38.070594] dump_stack+0x77/0x9b <4>[ 38.074586] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.079451] exit_signals+0x1c/0x300 <4>[ 38.083731] do_exit+0xc2/0xab0 <4>[ 38.087525] ? ksys_write+0x68/0xf0 <4>[ 38.091708] make_task_dead+0x2f/0x30 <4>[ 38.096085] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.101628] RIP: 0033:0x7fbeddd81473 <4>[ 38.105909] 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>[ 38.127186] RSP: 002b:00007ffe7d3c2c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.135935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbeddd81473 <4>[ 38.144198] RDX: 000000000000000a RSI: 00007fbeddc75000 RDI: 0000000000000001 <4>[ 38.152459] RBP: 00007fbeddc75000 R08: 00007fbeddc74010 R09: 0000000000000000 <4>[ 38.160722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.168985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35.559532] RAX: 0000000000000038 RBX: ffffb9fe4196c000 RCX: 0000000000000000 # [ 35.567795] RDX: 0000000000000000 RSI: ffffa0213ad1bf50 RDI: ffffffffa3b83258 # [ 35.576058] RBP: ffffffffa3b82923 R08: 0000000000000000 R09: 0000000000000000 # [ 35.584320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 35.592582] R13: ffffb9fe4196ff10 R14: ffffb9fe4196ff10 R15: ffffa020c3e76000 # [ 35.600844] FS: 00007fbdaf8fa580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 35.610175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.616883] CR2: ffffb9fe41970000 CR3: 0000000102a6a002 CR4: 00000000003706e0 # [ 35.625146] Call Trace: # [ 35.628165] <#DF> # [ 35.630699] ? __die_body.cold+0x1a/0x1f # [ 35.635370] ? die+0x2b/0x50 # [ 35.638874] ? handle_stack_overflow+0x3e/0x4d # [ 35.644116] ? no_context+0x24d/0x380 # [ 35.648484] # [ 35.651111] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.710114] ---[ end trace fc66307ea2d46685 ]--- # [ 35.715570] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.720238] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 35<6>[ 38.347691] lkdtm: Performing direct entry EXEC_STACK <6>[ 38.357243] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 38.364058] lkdtm: attempting bad execution at ffffb9fe42267e18 .741505] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 35.7<2>[ 38.371001] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.385850] BUG: unable to handle page fault for address: ffffb9fe42267e18 <1>[ 38.393822] #PF: supervisor instruction fetch in kernel mode <1>[ 38.400432] #PF: error_code(0x0011) - permissions violation <6>[ 38.406947] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105a3c067 PTE 8000000102664063 <4>[ 38.416281] Oops: 0011 [#6] SMP PTI <4>[ 38.420465] CPU: 3 PID: 1607 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 38.429408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.436506] RIP: 0010:0xffffb9fe42267e18 <4>[ 38.441166] Code: 00 00 18 7e 26 42 fe b9 ff ff 30 f6 c5 a2 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a b8 a3 ff ff ff ff 5f f7 c5 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>[ 38.462446] RSP: 0018:ffffb9fe42267df8 EFLAGS: 00010246 <4>[ 38.468566] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.476827] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 38.485090] RBP: ffffb9fe42267e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.493351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 38.501619] R13: ffffb9fe42267f10 R14: ffffb9fe42267f10 R15: ffffa020c2aa0000 <4>[ 38.509882] FS: 00007f2dc7310580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 38.519213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.525920] CR2: ffffb9fe42267e18 CR3: 00000001038c4002 CR4: 00000000003706e0 <4>[ 38.534183] Call Trace: <4>[ 38.537204] ? __die_body.cold+0x1a/0x1f <4>[ 38.541876] ? no_context+0x177/0x380 <4>[ 38.546256] ? exc_page_fault+0xd7/0x170 <4>[ 38.550924] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.555888] ? execute_location+0x45/0x56 <4>[ 38.560653] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 38.565420] ? direct_entry.cold+0x2c/0x38 <4>[ 38.570285] ? full_proxy_write+0x53/0x80 <4>[ 38.575053] ? vfs_write+0xe7/0x3b0 <4>[ 38.579226] ? ksys_write+0x68/0xf0 <4>[ 38.583410] ? do_syscall_64+0x30/0x40 <4>[ 38.587875] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 47631] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 00000000<4>[ 38.594004] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.653009] CR2: ffffb9fe42267e18 <4>[ 38.656998] ---[ end trace fc66307ea2d46688 ]--- <4>[ 38.662444] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.667113] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 38.688393] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 38.694519] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.702780] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 38.711043] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.719306] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.727567] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 38.735829] FS: 00007f2dc7310580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 38.745158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.751866] CR2: ffffb9fe42267e18 CR3: 00000001038c4002 CR4: 00000000003706e0 00000000 # [ 35.755893] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 35.764154] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 35.772415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.780677] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 35.788939] FS: 00007fbdaf8fa580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 35.798268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.804975] CR2: ffffb9fe41970000 CR3: 0000000102a6a002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 35.931725] lkdtm: Performing direct entry UNSET_SMEP # [ 35.943550] lkdtm: trying to clear SMEP normally # [ 35.949059] ------------[ cut here ]------------ # [ 35.954542] pinned CR4 bits changed: 0x100000!? # [ 35.966094] WARNING: CPU: 2 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 35.976597] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros<6>[ 38.897111] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 38.909274] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 38.916105] lkdtm: attempting bad execution at ffffa020c39b54c0 <2>[ 38.923021] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.931675] BUG: unable to handle page fault for address: ffffa020c39b54c0 <1>[ 38.939637] #PF: supervisor instruction fetch in kernel mode <1>[ 38.946247] #PF: error_code(0x0011) - permissions violation <6>[ 38.952759] PGD 142801067 P4D 142801067 PUD 100878063 PMD 103871063 PTE 80000001039b5063 <4>[ 38.962092] Oops: 0011 [#7] SMP PTI <4>[ 38.966267] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 38.975208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.982305] RIP: 0010:0xffffa020c39b54c0 <4>[ 38.986972] Code: 00 00 02 00 00 00 00 00 00 00 e0 d2 a3 c5 20 a0 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 af 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>[ 39.008244] RSP: 0018:ffffb9fe422efe38 EFLAGS: 00010246 <4>[ 39.014360] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.022618] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 39.030879] RBP: ffffa020c39b54c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.039138] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.047398] R13: ffffb9fe422eff10 R14: ffffb9fe422eff10 R15: ffffa020c34f9000 <4>[ 39.055657] FS: 00007f02a1379580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 39.064983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.071691] CR2: ffffa020c39b54c0 CR3: 0000000103f94004 CR4: 00000000003706e0 <4>[ 39.079953] Call Trace: <4>[ 39.082974] ? __die_body.cold+0x1a/0x1f <4>[ 39.087643] ? no_context+0x177/0x380 <4>[ 39.092021] ? exc_page_fault+0xd7/0x170 <4>[ 39.096690] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.101655] ? execute_location+0x45/0x56 <4>[ 39.106419] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 39.111379] ? direct_entry.cold+0x2c/0x38 <4>[ 39.116234] ? full_proxy_write+0x53/0x80 <4>[ 39.121000] ? vfs_write+0xe7/0x3b0 <4>[ 39.125175] ? ksys_write+0x68/0xf0 <4>[ 39.129360] ? do_syscall_64+0x30/0x40 <4>[ 39.133833] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 _ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify reg<4>[ 39.139961] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.198958] CR2: ffffa020c39b54c0 <4>[ 39.202947] ---[ end trace fc66307ea2d46689 ]--- <4>[ 39.208383] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.213051] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 39.234325] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 39.240450] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.248711] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 39.256971] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.265231] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.273493] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 39.281755] FS: 00007f02a1379580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 39.291074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.297780] CR2: ffffa020c39b54c0 CR3: 0000000103f94004 CR4: 00000000003706e0 <3>[ 39.306041] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.316243] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat <4>[ 39.324990] INFO: lockdep is turned off. <4>[ 39.329657] irq event stamp: 0 <4>[ 39.333355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.340638] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.350065] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.359492] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.366782] CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 39.375723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.382818] Call Trace: <4>[ 39.385837] dump_stack+0x77/0x9b <4>[ 39.389825] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.394690] exit_signals+0x1c/0x300 <4>[ 39.398971] do_exit+0xc2/0xab0 <4>[ 39.402756] ? ksys_write+0x68/0xf0 <4>[ 39.406941] make_task_dead+0x2f/0x30 <4>[ 39.411319] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.416863] RIP: 0033:0x7f02a128f473 <4>[ 39.421144] 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>[ 39.442419] RSP: 002b:00007fffb7c5ae88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.451166] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f02a128f473 <4>[ 39.459425] RDX: 000000000000000d RSI: 00007f02a1183000 RDI: 0000000000000001 <4>[ 39.467685] RBP: 00007f02a1183000 R08: 00007f02a1182010 R09: 0000000000000000 <4>[ 39.475944] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.484205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 map_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 36.029389] CPU: 2 PID: 1047 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 36.044539] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.051640] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.057091] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 a8 a3 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.078399] RSP: 0018:ffffb9fe419e7e48 EFLAGS: 00010286 # [ 36.084528] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 36.092794] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 # [ 36.101058] RBP: ffffffffa3b8293d R08: 0000000000000000 R09: 0000000000000000 # [ 36.109322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.117587] R13: ffffb9fe419e7f10 R14: ffffb9fe419e7f10 R15: ffffa020c6122000 # [ 36.125855] FS: 00007f553bf15580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 36.135188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <6>[ 39.599347] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 39.610525] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 39.617346] lkdtm: attempting bad execution at ffffb9fe401ec000 # [ 36.141899] CR2: 00007f553bd1f000 CR3: 000000010372e002 CR4<2>[ 39.624289] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.639141] BUG: unable to handle page fault for address: ffffb9fe401ec000 <1>[ 39.647111] #PF: supervisor instruction fetch in kernel mode <1>[ 39.653724] #PF: error_code(0x0011) - permissions violation <6>[ 39.660238] PGD 100000067 P4D 100000067 PUD 100248067 PMD 100249067 PTE 80000001038ed063 <4>[ 39.669573] Oops: 0011 [#8] SMP PTI <4>[ 39.673755] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 39.682698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.689795] RIP: 0010:0xffffb9fe401ec000 <4>[ 39.694463] Code: Unable to access opcode bytes at RIP 0xffffb9fe401ebfd6. <4>[ 39.702434] RSP: 0018:ffffb9fe4238fe38 EFLAGS: 00010246 <4>[ 39.708565] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.716827] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 39.725090] RBP: ffffb9fe401ec000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.733352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.741617] R13: ffffb9fe4238ff10 R14: ffffb9fe4238ff10 R15: ffffa020c38ed000 <4>[ 39.749880] FS: 00007fce108ce580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 39.759201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.765908] CR2: ffffb9fe401ebfd6 CR3: 0000000103e12006 CR4: 00000000003706e0 <4>[ 39.774171] Call Trace: <4>[ 39.777193] ? __die_body.cold+0x1a/0x1f <4>[ 39.781862] ? no_context+0x177/0x380 <4>[ 39.786233] ? exc_page_fault+0xd7/0x170 <4>[ 39.790903] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.795860] ? execute_location+0x45/0x56 <4>[ 39.800628] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 39.805588] ? direct_entry.cold+0x2c/0x38 <4>[ 39.810455] ? full_proxy_write+0x53/0x80 <4>[ 39.815222] ? vfs_write+0xe7/0x3b0 <4>[ 39.819397] ? ksys_write+0x68/0xf0 <4>[ 39.823572] ? do_syscall_64+0x30/0x40 <4>[ 39.828048] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 : 00000000003706e0 # [ 36.150164] Call Trace: # [ 36.15318<4>[ 39.834177] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.893183] CR2: ffffb9fe401ec000 <4>[ 39.897173] ---[ end trace fc66307ea2d4668a ]--- <4>[ 39.902621] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.907290] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 39.928570] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 39.934687] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.942949] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 39.951211] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.959471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.967734] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 39.975996] FS: 00007fce108ce580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 39.985328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.992037] CR2: ffffb9fe401ebfd6 CR3: 0000000103e12006 CR4: 00000000003706e0 9] ? __warn+0x80/0x110 # [ 36.157114] ? native_write_cr4+0x45/0x60 # [ 36.168091] ? report_bug+0x9e/0xc0 # [ 36.172304] ? handle_bug+0x41/0x90 # [ 36.176521] ? exc_invalid_op+0x14/0x70 # [ 36.181098] ? asm_exc_invalid_op+0x12/0x20 # [ 36.186064] ? native_write_cr4+0x45/0x60 # [ 36.190865] ? native_write_cr4+0x45/0x60 # [ 36.195633] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.200791] direct_entry.cold+0x2c/0x38 # [ 36.205466] full_proxy_write+0x53/0x80 # [ 36.210076] vfs_write+0xe7/0x3b0 # [ 36.220281] ksys_write+0x68/0xf0 # [ 36.230485] do_syscall_64+0x30/0x40 # [ 36.240981] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.246940] RIP: 0033:0x7f553be2b473 # [ 36.251222] 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 # [ 36.272494] RSP: 002b:00007ffc0fff6918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.281247] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f553be2b473 # [ 36.295723] RDX: 000000000000000b RSI: 00007f553bd1f000 RDI: 0000000000000001 # [ 36.303988] RBP: 00007f553bd1f000 R08: 00007f553bd1e010 R09: 0000000000000000 # [ 36.312257] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.320573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.335072] irq event stamp: 0 # [ 36.338782] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.352284] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.361716] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.371177] softirqs last disabled at<6>[ 40.171448] lkdtm: Performing direct entry EXEC_RODATA <6>[ 40.180361] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 40.187177] lkdtm: attempting bad execution at ffffffffa36f8940 <2>[ 40.194105] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) (0): [<0000000000000000>] 0x0 # [ 36.378469] ---[ end trace <1>[ 40.202765] BUG: unable to handle page fault for address: ffffffffa36f8940 <1>[ 40.216951] #PF: supervisor instruction fetch in kernel mode <1>[ 40.223562] #PF: error_code(0x0011) - permissions violation <6>[ 40.230076] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 80000001406000e1 fc66307ea2d46686 ]--- # [ 36.383918] lkdtm: ok: SMEP did not <4>[ 40.238149] Oops: 0011 [#9] SMP PTI <4>[ 40.248546] CPU: 3 PID: 1718 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 40.257478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.264578] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 40.270622] Code: ff ff cf 0b c6 a2 ff ff ff ff b2 2c b8 a3 ff ff ff ff 15 f3 c5 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>[ 40.291897] RSP: 0018:ffffb9fe42437e48 EFLAGS: 00010246 <4>[ 40.298025] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 40.306287] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 40.314565] RBP: ffffffffa36f8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.322826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 40.331089] R13: ffffb9fe42437f10 R14: ffffb9fe42437f10 R15: ffffa020c2775000 <4>[ 40.339351] FS: 00007f47c8ae8580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 40.348682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.355389] CR2: ffffffffa36f8940 CR3: 0000000103466006 CR4: 00000000003706e0 <4>[ 40.363650] Call Trace: <4>[ 40.366671] ? __die_body.cold+0x1a/0x1f <4>[ 40.371342] ? no_context+0x177/0x380 <4>[ 40.375721] ? exc_page_fault+0xd7/0x170 <4>[ 40.380392] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.385357] ? execute_location+0x45/0x56 <4>[ 40.390123] ? direct_entry.cold+0x2c/0x38 <4>[ 40.394978] ? full_proxy_write+0x53/0x80 <4>[ 40.399744] ? vfs_write+0xe7/0x3b0 <4>[ 40.403928] ? ksys_write+0x68/0xf0 <4>[ 40.408112] ? do_syscall_64+0x30/0x40 <4>[ 40.412577] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 get cleared # [ 36.389266] lkdtm: trying to clear SMEP with c<4>[ 40.418706] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 40.477708] CR2: ffffffffa36f8940 <4>[ 40.481696] ---[ end trace fc66307ea2d4668b ]--- <4>[ 40.487143] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.491802] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 40.513080] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 40.519197] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.527458] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 40.535720] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.543981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.552243] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 40.560503] FS: 00007f47c8ae8580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 40.569834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.576560] CR2: ffffffffa36f8940 CR3: 0000000103466006 CR4: 00000000003706e0 <3>[ 40.584825] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.595030] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat <4>[ 40.603776] INFO: lockdep is turned off. <4>[ 40.608443] irq event stamp: 0 <4>[ 40.612140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.619420] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.628847] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.638274] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.645568] CPU: 3 PID: 1718 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 40.654511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.661621] Call Trace: <4>[ 40.664641] dump_stack+0x77/0x9b <4>[ 40.668631] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.673487] exit_signals+0x1c/0x300 <4>[ 40.677767] do_exit+0xc2/0xab0 <4>[ 40.681570] ? ksys_write+0x68/0xf0 <4>[ 40.685755] make_task_dead+0x2f/0x30 <4>[ 40.690133] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.695666] RIP: 0033:0x7f47c89fe473 <4>[ 40.699946] 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>[ 40.721223] RSP: 002b:00007ffd62bd3968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.729971] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f47c89fe473 <4>[ 40.738230] RDX: 000000000000000c RSI: 00007f47c88f2000 RDI: 0000000000000001 <4>[ 40.746492] RBP: 00007f47c88f2000 R08: 00007f47c88f1010 R09: 0000000000000000 <4>[ 40.754754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.763016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 all gadget # [ 36.395492] 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 # [ 36.488476] lkdtm: Performing direct entry DOUBLE_FAULT # [ 36.500366] 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 # [ 36.625553] lkdtm: Performing direct entry CORRUPT_PAC # [ 36.636226] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 36.722661] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 36.736318] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19<6>[ 40.886161] lkdtm: Performing direct entry EXEC_USERSPACE selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdt<6>[ 40.895767] lkdtm: attempting ok execution at ffffffffa257c1e0 m: READ_AFTER_FREE.sh # [ 36.883719] lkdtm: Performing direct<6>[ 40.908820] lkdtm: attempting bad execution at 00007fe42b296000 entry READ_AFTER_FREE # [ 36.893621] lkdtm: Value in memory <2>[ 40.921930] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 40.934834] BUG: unable to handle page fault for address: 00007fe42b296000 <1>[ 40.942798] #PF: supervisor instruction fetch in kernel mode <1>[ 40.949409] #PF: error_code(0x0011) - permissions violation be[ 40.955940] PGD 8000000103e24067 P4D 8000000103e24067 PUD 1029f4067 PMD 10391d067 PTE 10e9c9067 <4>[ 40.972172] Oops: 0011 [#10] SMP PTI <4>[ 40.976453] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 40.985395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.992496] RIP: 0010:0x7fe42b296000 <4>[ 40.996776] Code: Unable to access opcode bytes at RIP 0x7fe42b295fd6. <4>[ 41.004359] RSP: 0018:ffffb9fe424bfe50 EFLAGS: 00010246 <4>[ 41.010486] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 41.018739] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 <4>[ 41.027000] RBP: 00007fe42b296000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.035260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 41.043523] R13: ffffb9fe424bff10 R14: ffffb9fe424bff10 R15: ffffa020c490c000 <4>[ 41.051786] FS: 00007fe42b267580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 41.061109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.067816] CR2: 00007fe42b296000 CR3: 0000000105a36003 CR4: 00000000003706e0 <4>[ 41.076077] Call Trace: ad< from freed memory # [ 36.906142] lkdtm: Memory was not poi4>[ 41.079099] ? __die_body.cold+0x1a/0x1f <4>[ 41.089988] ? no_context+0x177/0x380 soned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok <4>[ 41.094370] ? exc_page_fault+0x53/0x170 <4>[ 41.105252] ? asm_exc_page_fault+0x1e/0x30 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: l<4>[ 41.110217] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 41.122074] ? direct_entry.cold+0x2c/0x38 <4>[ 41.126941] ? full_proxy_write+0x53/0x80 kdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FR<4>[ 41.131709] ? vfs_write+0xe7/0x3b0 <4>[ 41.142106] ? ksys_write+0x68/0xf0 <4>[ 41.146282] ? do_syscall_64+0x30/0x40 <4>[ 41.150759] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 EE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BU<4>[ 41.156887] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.215857] CR2: 00007fe42b296000 <4>[ 41.219845] ---[ end trace fc66307ea2d4668c ]--- <4>[ 41.225292] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.229960] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 41.251236] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 41.257353] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.265615] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 41.273877] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.282137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.290399] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 41.298661] FS: 00007fe42b267580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 41.307992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.314692] CR2: 00007fe42b296000 CR3: 0000000105a36003 CR4: 00000000003706e0 DDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 37.025173] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.036162] lkdtm: Value in memory before free: 12345678 # [ 37.042423] lkdtm: Attempting to read from freed memory # [ 37.048581] 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 # [ 37.137773] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 37.147494] 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 # [ 37.257355] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 37.265124] 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 # [ 37.361560] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 37.370874] lkdtm: Attempting non-Slab slab free ... # S<6>[ 41.429012] lkdtm: Performing direct entry EXEC_NULL <6>[ 41.440674] lkdtm: attempting ok execution at ffffffffa257c1e0 <6>[ 41.447491] lkdtm: attempting bad execution at 0000000000000000 <1>[ 41.454451] BUG: kernel NULL pointer dereference, address: 0000000000000000 LAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftest<1>[ 41.462529] #PF: supervisor instruction fetch in kernel mode <1>[ 41.475355] #PF: error_code(0x0010) - not-present page <6>[ 41.481383] PGD 0 P4D 0 <4>[ 41.484499] Oops: 0010 [#11] SMP PTI <4>[ 41.488779] CPU: 2 PID: 1792 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 41.497721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.504818] RIP: 0010:0x0 <4>[ 41.508030] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 41.515992] RSP: 0018:ffffb9fe4252fe48 EFLAGS: 00010246 <4>[ 41.522119] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 41.530381] RDX: 0000000000000000 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 <4>[ 41.538643] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.546907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 41.555169] R13: ffffb9fe4252ff10 R14: ffffb9fe4252ff10 R15: ffffa020c3e74000 <4>[ 41.563431] FS: 00007f57ecfa2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 41.572762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.579471] CR2: ffffffffffffffd6 CR3: 0000000103914002 CR4: 00000000003706e0 <4>[ 41.587734] Call Trace: <4>[ 41.590755] ? __die_body.cold+0x1a/0x1f <4>[ 41.595425] ? no_context+0x177/0x380 <4>[ 41.599795] ? exc_page_fault+0x53/0x170 <4>[ 41.604464] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.609430] execute_location+0x45/0x56 <4>[ 41.614002] direct_entry.cold+0x2c/0x38 <4>[ 41.618674] full_proxy_write+0x53/0x80 <4>[ 41.623247] vfs_write+0xe7/0x3b0 <4>[ 41.627227] ksys_write+0x68/0xf0 <4>[ 41.631218] do_syscall_64+0x30/0x40 <4>[ 41.635500] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.641431] RIP: 0033:0x7f57eceb8473 <4>[ 41.645712] 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>[ 41.666983] RSP: 002b:00007ffd745c17f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.675729] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f57eceb8473 <4>[ 41.683990] RDX: 000000000000000a RSI: 00007f57ecdac000 RDI: 0000000000000001 <4>[ 41.692251] RBP: 00007f57ecdac000 R08: 00007f57ecdab010 R09: 0000000000000000 <4>[ 41.700513] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.708776] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLO<4>[ 41.717040] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.776047] CR2: 0000000000000000 <4>[ 41.780035] ---[ end trace fc66307ea2d4668d ]--- <4>[ 41.785483] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.790151] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 41.811430] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 41.817568] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.825830] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 41.834090] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.842351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.850613] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 41.858875] FS: 00007f57ecfa2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 41.868206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.874914] CR2: ffffffffffffffd6 CR3: 0000000103914002 CR4: 00000000003706e0 <3>[ 41.883176] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.893382] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat <4>[ 41.902130] INFO: lockdep is turned off. <4>[ 41.906797] irq event stamp: 0 <4>[ 41.910494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.917788] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.927216] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.936644] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.943936] CPU: 2 PID: 1792 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 41.952879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.959975] Call Trace: <4>[ 41.962994] dump_stack+0x77/0x9b <4>[ 41.966984] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.971849] exit_signals+0x1c/0x300 <4>[ 41.976130] do_exit+0xc2/0xab0 <4>[ 41.979926] ? ksys_write+0x68/0xf0 <4>[ 41.984110] make_task_dead+0x2f/0x30 <4>[ 41.988480] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.994023] RIP: 0033:0x7f57eceb8473 <4>[ 41.998304] 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>[ 42.019574] RSP: 002b:00007ffd745c17f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.028323] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f57eceb8473 <4>[ 42.036583] RDX: 000000000000000a RSI: 00007f57ecdac000 RDI: 0000000000000001 <4>[ 42.044845] RBP: 00007f57ecdac000 R08: 00007f57ecdab010 R09: 0000000000000000 <4>[ 42.053106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.061367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 37.578282] lkdtm: Performing direct entry EXEC_DATA # [ 37.587648] lkdtm: attempting ok execution at ffffffffa257c1e0 # [ 37.594459] lkdtm: attempting bad execution at ffffffffa5633d40 # [ 37.601369] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.610046] BUG: unable to handle page fault for address: ffffffffa5633d40 # [ 37.624231] #PF: supervisor instruction fetch in kernel mode # [ 37.630842] #PF: error_code(0x0011) - permissions violation # [ 37.637357] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 80000001426000e3 # [ 37.645427] Oops: 0011 [#5] SMP PTI # [ 37.649622] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 37.658567] Hardware name: Google Rammus/Rammus, BIOS 09<6>[ 42.193318] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 42.200509] lkdtm: attempting bad read at 00007efef4e97000 /04/2020 # [ 37.665667] RIP: 0010:data_area+0x0/0x40 # [ 3<1>[ 42.206941] BUG: unable to handle page fault for address: 00007efef4e97000 <1>[ 42.221112] #PF: supervisor read access in kernel mode <1>[ 42.227142] #PF: error_code(0x0001) - permissions violation 7.<670336] Code: ff ff 00 02 c8 c4 20 a0 ff ff 00 01 c8 c4 20 a0 6>[ 42.233655] PGD 8000000102a6c067 P4D 8000000102a6c067 PUD 102a83067 PMD 10407f067 PTE 10b4db067 <4>[ 42.249886] Oops: 0001 [#12] SMP PTI <4>[ 42.254169] CPU: 3 PID: 1828 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 42.263111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.270211] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.276724] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 b8 a3 e8 24 d8 fb ff 48 c7 c7 f8 39 b8 a3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 20 3a b8 <4>[ 42.298002] RSP: 0018:ffffb9fe425afe48 EFLAGS: 00010246 <4>[ 42.304127] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 42.312388] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa3b839f8 <4>[ 42.320650] RBP: 00007efef4e97000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.328912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 42.337173] R13: ffffb9fe425aff10 R14: ffffb9fe425aff10 R15: ffffa020c65fa000 <4>[ 42.345437] FS: 00007efef4e68580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 42.354768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.361477] CR2: 00007efef4e97000 CR3: 0000000103f8e005 CR4: 00000000003706e0 <4>[ 42.369737] Call Trace: <4>[ 42.372758] ? __die_body.cold+0x1a/0x1f <4>[ 42.377429] ? no_context+0x177/0x380 <4>[ 42.381809] ? exc_page_fault+0x53/0x170 <4>[ 42.386478] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.391441] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.397275] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 42.403111] direct_entry.cold+0x2c/0x38 <4>[ 42.407782] full_proxy_write+0x53/0x80 <4>[ 42.412355] vfs_write+0xe7/0x3b0 <4>[ 42.416346] ksys_write+0x68/0xf0 <4>[ 42.420334] do_syscall_64+0x30/0x40 <4>[ 42.424619] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.430569] RIP: 0033:0x7efef4d7e473 <4>[ 42.434849] 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>[ 42.456127] RSP: 002b:00007ffe13f86238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.464875] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007efef4d7e473 <4>[ 42.473138] RDX: 0000000000000011 RSI: 00007efef4c72000 RDI: 0000000000000001 <4>[ 42.481401] RBP: 00007efef4c72000 R08: 00007efef4c71010 R09: 0000000000000000 <4>[ 42.489664] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.497926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 42.506192] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.565195] CR2: 00007efef4e97000 <4>[ 42.569184] ---[ end trace fc66307ea2d4668e ]--- <4>[ 42.574630] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.579289] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 42.600568] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 42.606694] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.614956] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 42.623218] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.631482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.639745] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 42.648007] FS: 00007efef4e68580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 42.657338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.664047] CR2: 00007efef4e97000 CR3: 0000000103f8e005 CR4: 00000000003706e0 0 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 # [ 37.691618] RSP: 0018:ffffb9fe421cfe48 EFLAGS: 00010246 # [ 37.697743] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.706006] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 37.714268] RBP: ffffffffa5633d40 R08: 0000000000000000 R09: 0000000000000000 # [ 37.722530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.730791] R13: ffffb9fe421cff10 R14: ffffb9fe421cff10 R15: ffffa020c2a6a000 # [ 37.739053] FS: 00007fbedde6b580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 37.748384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.755091] CR2: ffffffffa5633d40 CR3: 0000000105b6a002 CR4: 00000000003706e0 # [ 37.763353] Call Trace: # [ 37.766374] ? __die_body.cold+0x1a/0x1f # [ 37.771046] ? no_context+0x177/0x380 # [ 37.775425] ? exc_page_fault+0xd7/0x170 # [ 37.780094] ? asm_exc_page_fault+0x1e/0x30 # [ 37.785060] ? execute_location+0x45/0x56 # [ 37.789825] ? direct_entry.cold+0x2c/0x38 # [ 37.794690] ? full_proxy_write+0x53/0x80 # [ 37.799458] ? vfs_write+0xe7/0x3b0 # [ 37.803642] ? ksys_write+0x68/0xf0 # [ 37.807827] ? do_syscall_64+0x30/0x40 # [ 37.812301] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 37.818430] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core <6>[ 42.810340] lkdtm: Performing direct entry ACCESS_NULL industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7<6>[ 42.821326] lkdtm: attempting bad read at 0000000000000000 219 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar<1>[ 42.833983] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 42.848246] #PF: supervisor read access in kernel mode <1>[ 42.854276] #PF: error_code(0x0000) - not-present page <6>[ 42.860297] PGD 0 P4D 0 <4>[ 42.863414] Oops: 0000 [#13] SMP PTI <4>[ 42.867694] CPU: 1 PID: 1864 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 42.876626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.883726] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_co<4>[ 42.889271] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 36 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 b8 a3 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 b8 a3 48 01 <4>[ 42.916762] RSP: 0018:ffffb9fe4263fe58 EFLAGS: 00010246 <4>[ 42.922890] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 42.931145] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 <4>[ 42.939399] RBP: ffffffffa3b82ac1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.947652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 42.955915] R13: ffffb9fe4263ff10 R14: ffffb9fe4263ff10 R15: ffffa020c2a72000 <4>[ 42.964179] FS: 00007f612b1b3580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 42.973501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.980210] CR2: 0000000000000000 CR3: 0000000103970005 CR4: 00000000003706e0 <4>[ 42.988470] Call Trace: <4>[ 42.991492] ? __die_body.cold+0x1a/0x1f re cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress <4>[ 42.996164] ? no_context+0x177/0x380 <4>[ 43.006757] ? exc_page_fault+0x53/0x170 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dma<4>[ 43.011428] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.022618] ? lkdtm_ACCESS_NULL+0x14/0x53 engine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chr<4>[ 43.027489] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.038569] direct_entry.cold+0x2c/0x38 <4>[ 43.043240] full_proxy_write+0x53/0x80 omeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.877<4>[ 43.047815] vfs_write+0xe7/0x3b0 <4>[ 43.058017] ksys_write+0x68/0xf0 <4>[ 43.062009] do_syscall_64+0x30/0x40 <4>[ 43.066292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.072225] RIP: 0033:0x7f612b0c9473 <4>[ 43.076504] 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>[ 43.097782] RSP: 002b:00007fffa6358da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.106531] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f612b0c9473 <4>[ 43.114794] RDX: 000000000000000c RSI: 00007f612afbd000 RDI: 0000000000000001 <4>[ 43.123055] RBP: 00007f612afbd000 R08: 00007f612afbc010 R09: 0000000000000000 <4>[ 43.131318] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.139580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 432] CR2: ffffffffa5633d40 # [ 37.881421] ---[ end trace fc66<4>[ 43.147846] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.206818] CR2: 0000000000000000 <4>[ 43.210807] ---[ end trace fc66307ea2d4668f ]--- <4>[ 43.216254] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.220923] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 43.242203] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 43.248329] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.256606] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 307ea2d46687 ]--- # [ 37.886859] RIP: 0010:lkdtm_BUG+0x5/0x10<4>[ 43.264877] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.279354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.287619] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 43.295881] FS: 00007f612b1b3580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 43.305208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.311918] CR2: 0000000000000000 CR3: 0000000103970005 CR4: 00000000003706e0 <3>[ 43.320180] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.330384] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat <4>[ 43.339133] INFO: lockdep is turned off. <4>[ 43.343800] irq event stamp: 0 <4>[ 43.347498] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.354791] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.364212] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.373640] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.380932] CPU: 1 PID: 1864 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 43.389873] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.396969] Call Trace: <4>[ 43.399989] dump_stack+0x77/0x9b # [ 37.891526] Code: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff <4>[ 43.403981] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.415060] exit_signals+0x1c/0x300 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f<4>[ 43.419342] do_exit+0xc2/0xab0 <4>[ 43.429352] ? ksys_write+0x68/0xf0 <4>[ 43.433538] make_task_dead+0x2f/0x30 <4>[ 43.437916] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.443450] RIP: 0033:0x7f612b0c9473 <4>[ 43.447729] 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>[ 43.469008] RSP: 002b:00007fffa6358da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.477758] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f612b0c9473 <4>[ 43.486013] RDX: 000000000000000c RSI: 00007f612afbd000 RDI: 0000000000000001 <4>[ 43.494276] RBP: 00007f612afbd000 R08: 00007f612afbc010 R09: 0000000000000000 <4>[ 43.502538] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.510823] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f 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 e0 7e 0b 03 # [ 37.912805] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 37.918932] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.927193] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 37.935456] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 37.943716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.951977] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 37.960239] FS: 00007fbedde6b580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 37.969569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.976277] CR2: ffffffffa5633d40 CR3: 0000000105b6a002 CR4: 00000000003706e0 # [ 37.984557] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.994771] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat # [ 38.009732] INFO: lockdep is turned off. # [ 38.014398] irq event stamp: 0 # [ 38.018097] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.025389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.034<6>[ 43.639919] lkdtm: Performing direct entry WRITE_RO 816] softirqs last enabled at (0): [] copy_pr<6>[ 43.649140] lkdtm: attempting bad rodata write at ffffffffa36f8930 ocess+0x65c/0x20e0 # [ 38.044243] softirqs last disabled at (<1>[ 43.662547] BUG: unable to handle page fault for address: ffffffffa36f8930 <1>[ 43.676729] #PF: supervisor write access in kernel mode <1>[ 43.682855] #PF: error_code(0x0003) - permissions violation 0)<: [<0000000000000000>] 0x0 # [ 38.051535] CPU: 3 PID: 1570 6>[ 43.689369] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 80000001406000e1 <4>[ 43.703661] Oops: 0003 [#14] SMP PTI <4>[ 43.707944] CPU: 1 PID: 1900 Comm: cat Tainted: G D W 5.10.205-cip41 #1 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 3<4>[ 43.716888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.730204] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 8.060478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.735455] Code: 00 48 c7 c7 b0 38 b8 a3 48 c7 c6 30 89 6f a3 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 b8 a3 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc <4>[ 43.762949] RSP: 0018:ffffb9fe426c7e60 EFLAGS: 00010202 <4>[ 43.769065] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 43.777326] RDX: 00000000abcd1234 RSI: ffffa0213ac9bf50 RDI: ffffffffa3b838e0 <4>[ 43.785589] RBP: ffffffffa3b82acd R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.793850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 43.802111] R13: ffffb9fe426c7f10 R14: ffffb9fe426c7f10 R15: ffffa020c347f000 <4>[ 43.810372] FS: 00007fbee9e58580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 43.819703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.826410] CR2: ffffffffa36f8930 CR3: 0000000103aae005 CR4: 00000000003706e0 <4>[ 43.834672] Call Trace: <4>[ 43.837691] ? __die_body.cold+0x1a/0x1f # [ 38.067574] Call Trace: # [ 38.070594] dump_stack+0x77<4>[ 43.842363] ? no_context+0x177/0x380 <4>[ 43.852954] ? exc_page_fault+0xd7/0x170 /0x9b # [ 38.074586] ___might_sleep.cold+0xa6/0xb6 # [ 38<4>[ 43.857631] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.868806] ? lkdtm_WRITE_RO+0x2e/0x3a .079451] exit_signals+0x1c/0x300 # [ 38.083731] do_exit+0xc<4>[ 43.873377] direct_entry.cold+0x2c/0x38 <4>[ 43.884260] full_proxy_write+0x53/0x80 2/0xab0 # [ 38.087525] ? ksys_write+0x68/0xf0 # [ 38.0917<4>[ 43.888833] vfs_write+0xe7/0x3b0 <4>[ 43.899033] ksys_write+0x68/0xf0 <4>[ 43.903024] do_syscall_64+0x30/0x40 <4>[ 43.907305] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.913237] RIP: 0033:0x7fbee9d6e473 <4>[ 43.917517] 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>[ 43.938794] RSP: 002b:00007ffddf451a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.947560] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbee9d6e473 <4>[ 43.955824] RDX: 0000000000000009 RSI: 00007fbee9c62000 RDI: 0000000000000001 <4>[ 43.964085] RBP: 00007fbee9c62000 R08: 00007fbee9c61010 R09: 0000000000000000 <4>[ 43.972348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.980618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 08] make_task_dead+0x2f/0x30 # [ 38.096085] rewind_stack_an<4>[ 43.988884] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 44.047853] CR2: ffffffffa36f8930 <4>[ 44.051843] ---[ end trace fc66307ea2d46690 ]--- <4>[ 44.057290] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.061960] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 44.083229] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 44.089346] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.097621] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 44.105882] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.114143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.122405] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 44.130667] FS: 00007fbee9e58580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 44.139997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.146703] CR2: ffffffffa36f8930 CR3: 0000000103aae005 CR4: 00000000003706e0 d_make_dead+0x17/0x20 # [ 38.101628] RIP: 0033:0x7fbeddd81473 # [ 38.105909] 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 # [ 38.127186] RSP: 002b:00007ffe7d3c2c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.135935] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbeddd81473 # [ 38.144198] RDX: 000000000000000a RSI: 00007fbeddc75000 RDI: 0000000000000001 # [ 38.152459] RBP: 00007fbeddc75000 R08: 00007fbeddc74010 R09: 0000000000000000 # [ 38.160722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.168985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 38.347691] lkdtm: Performing direct entry EXEC_STACK # [ 38.357243] lkdtm: attempting ok execution at ffffffffa257c1e0 # [ 38.364058] lkdtm: attempting bad execution at ffffb9fe42267e18 # [ 38.371001] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.385850] BUG: unable to handle page fault for address: ffffb9fe42267e18 <6>[ 44.273485] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 44.286080] lkdtm: attempting bad ro_after_init write at ffffffffa3c0b350 <1>[ 44.294010] BUG: unable to handle page fault for address: ffffffffa3c0b350 # [ 38.393822] #PF: supervisor instruction fetch in kernel mod<1>[ 44.301989] #PF: supervisor write access in kernel mode <1>[ 44.314329] #PF: error_code(0x0003) - permissions violation e < # [ 38.400432] #PF: error_code(0x0011) - permissions violat6>[ 44.320843] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 10005e063 PTE 8000000140c0b061 <4>[ 44.336396] Oops: 0003 [#15] SMP PTI <4>[ 44.340679] CPU: 3 PID: 1936 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 44.349623] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.356715] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 44.363036] Code: 39 b8 a3 e9 fe d9 fb ff 48 c7 c7 38 39 b8 a3 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 b8 a3 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 44.384304] RSP: 0018:ffffb9fe42757e60 EFLAGS: 00010202 <4>[ 44.390429] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 44.398691] RDX: 00000000abcd1234 RSI: ffffa0213ad9bf50 RDI: ffffffffa3b838e0 <4>[ 44.406952] RBP: ffffffffa3b82ad6 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.415213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 44.423475] R13: ffffb9fe42757f10 R14: ffffb9fe42757f10 R15: ffffa020c34fd000 <4>[ 44.431737] FS: 00007fd5a486f580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 44.441069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.447769] CR2: ffffffffa3c0b350 CR3: 0000000102ac2002 CR4: 00000000003706e0 <4>[ 44.456032] Call Trace: <4>[ 44.459054] ? __die_body.cold+0x1a/0x1f <4>[ 44.463725] ? no_context+0x177/0x380 <4>[ 44.468103] ? exc_page_fault+0xd7/0x170 <4>[ 44.472773] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.477737] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 44.483377] direct_entry.cold+0x2c/0x38 <4>[ 44.488048] full_proxy_write+0x53/0x80 <4>[ 44.492624] vfs_write+0xe7/0x3b0 <4>[ 44.496623] ksys_write+0x68/0xf0 <4>[ 44.500625] do_syscall_64+0x30/0x40 <4>[ 44.504907] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.510840] RIP: 0033:0x7fd5a4785473 <4>[ 44.515121] 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>[ 44.536391] RSP: 002b:00007ffe583fffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.545139] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd5a4785473 <4>[ 44.553403] RDX: 0000000000000014 RSI: 00007fd5a4679000 RDI: 0000000000000001 <4>[ 44.561658] RBP: 00007fd5a4679000 R08: 00007fd5a4678010 R09: 0000000000000000 <4>[ 44.569911] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.578172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ion # [ 38.406947] PGD 100000067 P4D 100000067 PUD 100248067 <4>[ 44.586439] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 44.645445] CR2: ffffffffa3c0b350 <4>[ 44.649435] ---[ end trace fc66307ea2d46691 ]--- <4>[ 44.654883] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.659566] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 44.680843] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 44.686969] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.695230] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 44.703492] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.711753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.720014] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 44.728276] FS: 00007fd5a486f580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 44.737623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.744331] CR2: ffffffffa3c0b350 CR3: 0000000102ac2002 CR4: 00000000003706e0 <3>[ 44.752608] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.762819] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1936, name: cat <4>[ 44.771569] INFO: lockdep is turned off. <4>[ 44.776228] irq event stamp: 0 <4>[ 44.779926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.787209] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.796628] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.806057] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.813350] CPU: 3 PID: 1936 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 44.822284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.829381] Call Trace: <4>[ 44.832401] dump_stack+0x77/0x9b <4>[ 44.836392] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.841258] exit_signals+0x1c/0x300 <4>[ 44.845539] do_exit+0xc2/0xab0 <4>[ 44.849359] ? ksys_write+0x68/0xf0 <4>[ 44.853562] make_task_dead+0x2f/0x30 <4>[ 44.857943] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.863486] RIP: 0033:0x7fd5a4785473 <4>[ 44.867765] 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>[ 44.889043] RSP: 002b:00007ffe583fffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.897790] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd5a4785473 <4>[ 44.906052] RDX: 0000000000000014 RSI: 00007fd5a4679000 RDI: 0000000000000001 <4>[ 44.914315] RBP: 00007fd5a4679000 R08: 00007fd5a4678010 R09: 0000000000000000 <4>[ 44.922577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.930840] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 PMD 105a3c067 PTE 8000000102664063 # [ 38.416281] Oops: 0011 [#6] SMP PTI # [ 38.420465] CPU: 3 PID: 1607 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 38.429408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.436506] RIP: 0010:0xffffb9fe42267e18 # [ 38.441166] Code: 00 00 18 7e 26 42 fe b9 ff ff 30 f6 c5 a2 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a b8 a3 ff ff ff ff 5f f7 c5 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 # [ 38.462446] RSP: 0018:ffffb9fe42267df8 EFLAGS: 00010246 # [ 38.468566] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.476827] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 38.485090] RBP: ffffb9fe42267e18 R08: 0000000000000000 R09: 0000000000000000 # [ 38.493351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.501619] R13: ffffb9fe42267f10 R14: ffffb9fe42267f10 R15: ffffa020c2aa0000 # [ 38.509882] FS: 00007f2dc7310580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 38.519213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.525920] CR2: ffffb9fe42267e18 CR3: 00000001038c4002 CR4: 00000000003706e0 # [ 38.534183] Call Trace: # [ 38.537204] ? __die_body.cold+0x1a/0x1f # [ 38.541876] ? no_context+0x177/0x380 # [ 38.546256] ? exc_page_fault+0xd7/0x170 # [ 38.550924] ? asm_exc_page_fault+0x1e/0x30 # [ 38.555888] ? execute_location+0x45/0x56 # [ 38.560653] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 38.565420] ? direct_entry.cold+0x2c/0x38 # [ 38.570285] ? full_proxy_write+0x53/0x80 # [ 38.575053] ? vfs_write+0xe7/0x3b0 # [ 38.579226] ? ksys_write+0x68/0xf0 # [ 38.583410] ? do_syscall_64+0x30/0x40 # [ 38.587875] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.594004] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i<6>[ 45.128279] lkdtm: Performing direct entry WRITE_KERN <6>[ 45.137841] lkdtm: attempting bad 7222266 byte write at ffffffffa2c5f5da <1>[ 45.145679] BUG: unable to handle page fault for address: ffffffffa2c5f5da ndustrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc videobuf2_<1>[ 45.153658] #PF: supervisor write access in kernel mode <1>[ 45.166000] #PF: error_code(0x0003) - permissions violation <6>[ 45.172513] PGD 140e29067 P4D 140e29067 PUD 140e2a063 PMD 13fc000e1 <4>[ 45.179906] Oops: 0003 [#16] SMP PTI <4>[ 45.184186] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 45.193130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.200221] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 45.205666] Code: 53 48 c7 c3 da f5 c5 a2 49 89 dc 48 89 da 49 81 ec e0 c1 57 a2 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 c1 57 a2 a4 48 c7 c7 e0 38 b8 a3 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 45.226944] RSP: 0018:ffffb9fe42797e50 EFLAGS: 00010246 <4>[ 45.233071] RAX: 000000000000003c RBX: ffffffffa2c5f5da RCX: 00000000006e33fa <4>[ 45.241332] RDX: 0000000000000000 RSI: ffffffffa257c1e0 RDI: ffffffffa2c5f5da <4>[ 45.249613] RBP: ffffffffa3b82aea R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.257876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e33fa <4>[ 45.266138] R13: ffffb9fe42797f10 R14: ffffb9fe42797f10 R15: ffffa020c385e000 <4>[ 45.274401] FS: 00007efc95884580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 45.283732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.290439] CR2: ffffffffa2c5f5da CR3: 0000000103108006 CR4: 00000000003706e0 <4>[ 45.298702] Call Trace: <4>[ 45.301723] ? __die_body.cold+0x1a/0x1f <4>[ 45.306394] ? no_context+0x177/0x380 <4>[ 45.310773] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.316511] ? exc_page_fault+0xd7/0x170 <4>[ 45.321180] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.326140] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.331881] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 45.337034] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.342771] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 45.347539] direct_entry.cold+0x2c/0x38 <4>[ 45.352235] full_proxy_write+0x53/0x80 <4>[ 45.356807] vfs_write+0xe7/0x3b0 <4>[ 45.360798] ksys_write+0x68/0xf0 <4>[ 45.364788] do_syscall_64+0x30/0x40 <4>[ 45.369068] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.375000] RIP: 0033:0x7efc9579a473 <4>[ 45.379282] 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>[ 45.400566] RSP: 002b:00007ffe855486d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.409314] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efc9579a473 <4>[ 45.417576] RDX: 000000000000000b RSI: 00007efc9568e000 RDI: 0000000000000001 <4>[ 45.425837] RBP: 00007efc9568e000 R08: 00007efc9568d010 R09: 0000000000000000 <4>[ 45.434099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.442360] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_u<4>[ 45.450627] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 45.509630] CR2: ffffffffa2c5f5da <4>[ 45.513615] ---[ end trace fc66307ea2d46692 ]--- <4>[ 45.519061] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.523729] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 <4>[ 45.545003] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 <4>[ 45.551129] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.559392] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 <4>[ 45.567654] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.575916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.584179] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 <4>[ 45.592441] FS: 00007efc95884580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 45.601773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.608481] CR2: ffffffffa2c5f5da CR3: 0000000103108006 CR4: 00000000003706e0 sbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.653009] CR2: ffffb9fe42267e18 # [ 38.656998] ---[ end trace fc66307ea2d46688 ]--- # [ 38.662444] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.667113] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 38.688393] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 38.694519] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.702780] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 38.711043] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 38.719306] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.727567] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 38.735829] FS: 00007f2dc7310580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 38.745158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.751866] CR2: ffffb9fe42267e18 CR3: 00000001038c4002 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 38.897111] lkdtm: Performing direct entry EXEC_KMAL<6>[ 45.762206] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW LOC # [ 38.909274] lkdtm: attempting ok execution at ffffffff<6>[ 45.772970] lkdtm: attempting good refcount_inc() without overflow a257c1e0 # [ 38.916105] lkdtm: attempting bad execution at ff<6>[ 45.786359] lkdtm: attempting bad refcount_inc() overflow ffa020c39b54c0 # [ 38.923021] kernel tried to execute NX-prot<4>[ 45.798885] ------------[ cut here ]------------ ected page - exploit attempt? (uid: 0) # [ 38.931675] BUG: un<4>[ 45.810572] refcount_t: saturated; leaking memory. able to handle page fault for address: ffffa020c39b54c0 # [ 3<4>[ 45.822464] WARNING: CPU: 1 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8.939637] #PF: supervisor instruction fetch in kernel mode # [ <4>[ 45.838397] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table 38.946247] #PF: error_code(0x0011) - permissions violation # <4>[ 45.897400] CPU: 1 PID: 2008 Comm: cat Tainted: G D W 5.10.205-cip41 #1 [ 38.952759] PGD 142801067 P4D 142801067 PUD 100878063 PMD 103<4>[ 45.912589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.925906] RIP: 0010:refcount_warn_saturate+0x51/0x110 871063 PTE 80000001039b5063 # [ 38.962092] Oops: 0011 [#7] SM<4>[ 45.932061] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad P PTI # [ 38.966267] CPU: 3 PID: 1644 Comm: cat Tainted: G <4>[ 45.959572] RSP: 0018:ffffb9fe4281fe48 EFLAGS: 00010286 <4>[ 45.971917] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 D W 5.10.205-cip41 #1 # [ 38.975208] Hardware name<4>[ 45.980187] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 <4>[ 45.994662] RBP: ffffffffa3b82af5 R08: 0000000000000000 R09: 0000000000000000 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.982305] RIP: <4>[ 46.002930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 46.017406] R13: ffffb9fe4281ff10 R14: ffffb9fe4281ff10 R15: ffffa020c3fb9000 0010:0xffffa020c39b54c0 # [ 38.986972] Code: 00 00 02 00 00 0<4>[ 46.025676] FS: 00007fdcc6a8f580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 46.041219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 00 00 00 00 e0 d2 a3 c5 20 a0 ff ff 04 00 00 00 00 00 00 00 00<4>[ 46.047932] CR2: 00007fdcc6899000 CR3: 0000000103926003 CR4: 00000000003706e0 00 00 00 00 00 00 00 eb f2 af a1 ff ff ff ff <0f> 1f 44 00 00 c<4>[ 46.062409] Call Trace: 3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.0082<4>[ 46.071652] ? __warn+0x80/0x110 44] RSP: 0018:ffffb9fe422efe38 EFLAGS: 00010246 # [ 39.014360<4>[ 46.081760] ? refcount_warn_saturate+0x51/0x110 ] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000<4>[ 46.093427] ? report_bug+0x9e/0xc0 000 # [ 39.022618] RDX: 0000000000000000 RSI: ffffa0213ad9bf5<4>[ 46.103829] ? handle_bug+0x41/0x90 0 RDI: ffffa0213ad9bf50 # [ 39.030879] RBP: ffffa020c39b54c0 <4>[ 46.114236] ? exc_invalid_op+0x14/0x70 R08: 0000000000000000 R09: 0000000000000000 # [ 39.039138] R1<4>[ 46.125024] ? asm_exc_invalid_op+0x12/0x20 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 46.136202] ? refcount_warn_saturate+0x51/0x110 # [ 39.047398] R13: ffffb9fe422eff10 R14: ffffb9fe422eff10 R1<4>[ 46.147865] ? refcount_warn_saturate+0x51/0x110 5: ffffa020c34f9000 # [ 39.055657] FS: 00007f02a1379580(0000<4>[ 46.159530] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 ) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 39.064<4>[ 46.171390] direct_entry.cold+0x2c/0x38 983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39<4>[ 46.182279] full_proxy_write+0x53/0x80 .071691] CR2: ffffa020c39b54c0 CR3: 0000000103f94004 CR4: 000000<4>[ 46.193069] vfs_write+0xe7/0x3b0 00003706e0 # [ 39.079953] Call Trace: # [ 39.082974] ? __<4>[ 46.203277] ksys_write+0x68/0xf0 die_body.cold+0x1a/0x1f # [ 39.087643] ? no_context+0x177/0x<4>[ 46.213485] do_syscall_64+0x30/0x40 380 # [ 39.092021] ? exc_page_fault+0xd7/0x170 # [ 39.096<4>[ 46.223983] entry_SYSCALL_64_after_hwframe+0x62/0xc7 690] ? asm_exc_page_fault+0x1e/0x30 # [ 39.101655] ? execut<4>[ 46.236131] RIP: 0033:0x7fdcc69a5473 e_location+0x45/0x56 # [ 39.106419] ? lkdtm_EXEC_KMALLOC+0x2<4>[ 46.246630] 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 c/0x40 # [ 39.111379] ? direct_entry.cold+0x2c/0x38 # [ 3<4>[ 46.274128] RSP: 002b:00007fff90331b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 9.116234] ? full_proxy_write+0x53/0x80 # [ 39.121000] ? vfs<4>[ 46.289095] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdcc69a5473 _write+0xe7/0x3b0 # [ 39.125175] ? ksys_write+0x68/0xf0 # [<4>[ 46.303577] RDX: 0000000000000016 RSI: 00007fdcc6899000 RDI: 0000000000000001 39.129360] ? do_syscall_64+0x30/0x40 # [ 39.133833] ? en<4>[ 46.318055] RBP: 00007fdcc6899000 R08: 00007fdcc6898010 R09: 0000000000000000 try_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.139961] Modules<4>[ 46.332539] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cro<4>[ 46.347023] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust<4>[ 46.361511] irq event stamp: 0 <4>[ 46.371427] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rialio snd_soc_da7219 uvcvideo videobuf2_vmalloc videobuf2_memop<4>[ 46.378724] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.394365] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 s cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_<4>[ 46.403800] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.417306] ---[ end trace fc66307ea2d46693 ]--- charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_cha<6>[ 46.422758] lkdtm: Overflow detected: saturated rdev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.198958] CR2: ffffa020c39b54c0 # [ 39.202947] ---[ end trace fc66307ea2d46689 ]--- # [ 39.208383] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.213051] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 39.234325] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 39.240450] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.248711] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 39.256971] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 39.265231] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.273493] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 39.281755] FS: 00007f02a1379580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 39.291074] <6>[ 46.541355] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.2977<6>[ 46.553230] lkdtm: attempting good refcount_add() without overflow 80] CR2: ffffa020c39b54c0 CR3: 0000000103f94004 CR4: 00000000003<6>[ 46.566674] lkdtm: attempting bad refcount_add() overflow 706e0 # [ 39.306041] BUG: sleeping function called from inval<4>[ 46.579209] ------------[ cut here ]------------ id context at include/linux/percpu-rwsem.h:49 # [ 39.316243] <4>[ 46.590839] refcount_t: saturated; leaking memory. in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, nam<4>[ 46.602749] WARNING: CPU: 0 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 e: cat # [ 39.324990] INFO: lockdep is turned off. # [ 39.<4>[ 46.618700] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table 329657] irq event stamp: 0 # [ 39.333355] hardirqs last enab<4>[ 46.677649] CPU: 0 PID: 2041 Comm: cat Tainted: G D W 5.10.205-cip41 #1 led at (0): [<0000000000000000>] 0x0 # [ 39.340638] hardirqs <4>[ 46.692853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 last disabled at (0): [] copy_process+0x65c/0x<4>[ 46.706154] RIP: 0010:refcount_warn_saturate+0x51/0x110 20e0 # [ 39.350065] softirqs last enabled at (0): [[ 46.718586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad a1afd6cc>] copy_process+0x65c/0x20e0 # [ 39.359492] softirqs <4>[ 46.746007] RSP: 0018:ffffb9fe428cfe48 EFLAGS: 00010286 last disabled at (0): [<0000000000000000>] 0x0 # [ 39.366782]<4>[ 46.758347] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 CPU: 3 PID: 1644 Comm: cat Tainted: G D W 5.10.205<4>[ 46.772818] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 -cip41 #1 # [ 39.375723] Hardware name: Google Rammus/Rammus,<4>[ 46.787332] RBP: ffffffffa3b82b0b R08: 0000000000000000 R09: 0000000000000000 BIOS 09/04/2020 # [ 39.382818] Call Trace: # [ 39.385837<4>[ 46.801794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ] dump_stack+0x77/0x9b # [ 39.389825] ___might_sleep.cold+0<4>[ 46.816298] R13: ffffb9fe428cff10 R14: ffffb9fe428cff10 R15: ffffa020c3ab2000 xa6/0xb6 # [ 39.394690] exit_signals+0x1c/0x300 # [ 39.39<4>[ 46.830769] FS: 00007f0a27339580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 8971] do_exit+0xc2/0xab0 # [ 39.402756] ? ksys_write+0x68/0<4>[ 46.846353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 xf0 # [ 39.406941] make_task_dead+0x2f/0x30 # [ 39.411319<4>[ 46.859261] CR2: 00007f0a27143000 CR3: 00000001035de003 CR4: 00000000003706f0 ] rewind_stack_and_make_dead+0x17/0x20 # [ 39.416863] RIP: 0<4>[ 46.873758] Call Trace: 033:0x7f02a128f473 # [ 39.421144] Code: 8b 15 21 2a 0e 00 f7 <4>[ 46.883001] ? __warn+0x80/0x110 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0<4>[ 46.893114] ? refcount_warn_saturate+0x51/0x110 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 <4>[ 46.904772] ? report_bug+0x9e/0xc0 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.442419] R<4>[ 46.915191] ? handle_bug+0x41/0x90 SP: 002b:00007fffb7c5ae88 EFLAGS: 00000246 ORIG_RAX: 00000000000<4>[ 46.925583] ? exc_invalid_op+0x14/0x70 00001 # [ 39.451166] RAX: ffffffffffffffda RBX: 0000000000000<4>[ 46.936395] ? asm_exc_invalid_op+0x12/0x20 00d RCX: 00007f02a128f473 # [ 39.459425] RDX: 000000000000000<4>[ 46.947564] ? refcount_warn_saturate+0x51/0x110 d RSI: 00007f02a1183000 RDI: 0000000000000001 # [ 39.467685] <4>[ 46.959239] ? refcount_warn_saturate+0x51/0x110 RBP: 00007f02a1183000 R08: 00007f02a1182010 R09: 000000000000000<4>[ 46.970887] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0 # [ 39.475944] R10: fffffffffffffbc5 R11: 0000000000000246 <4>[ 46.982746] direct_entry.cold+0x2c/0x38 R12: 0000000000000001 # [ 39.484205] R13: 0000000000000001 R1<4>[ 46.993641] full_proxy_write+0x53/0x80 4: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw '<4>[ 47.004455] vfs_write+0xe7/0x3b0 call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # sel<4>[ 47.014679] ksys_write+0x68/0xf0 ftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 39.599347] lkdtm<4>[ 47.024889] do_syscall_64+0x30/0x40 : Performing direct entry EXEC_VMALLOC # [ 39.610525] lkdtm: <4>[ 47.035394] entry_SYSCALL_64_after_hwframe+0x62/0xc7 attempting ok execution at ffffffffa257c1e0 # [ 39.617346] lk<4>[ 47.047568] RIP: 0033:0x7f0a2724f473 dtm: attempting bad execution at ffffb9fe401ec000 # [ 39.6242<4>[ 47.058032] 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 89] kernel tried to execute NX-protected page - exploit attempt?<4>[ 47.085575] RSP: 002b:00007ffff68105a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 (uid: 0) # [ 39.639141] BUG: unable to handle page fault for<4>[ 47.100564] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0a2724f473 address: ffffb9fe401ec000 # [ 39.647111] #PF: supervisor ins<4>[ 47.115043] RDX: 0000000000000016 RSI: 00007f0a27143000 RDI: 0000000000000001 truction fetch in kernel mode # [ 39.653724] #PF: error_code(<4>[ 47.129493] RBP: 00007f0a27143000 R08: 00007f0a27142010 R09: 0000000000000000 0x0011) - permissions violation # [ 39.660238] PGD 100000067 <4>[ 47.143976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 P4D 100000067 PUD 100248067 PMD 100249067 PTE 80000001038ed063 <4>[ 47.158498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.669573] Oops: 0011 [#8] SMP PTI # [ 39.673755] CPU: <4>[ 47.173007] irq event stamp: 0 3 PID: 1681 Comm: cat Tainted: G D W 5.10.205-cip41<4>[ 47.182925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #1 # [ 39.682698] Hardware name: Google Rammus/Rammus, BIOS <4>[ 47.196401] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 09/04/2020 # [ 39.689795] RIP: 0010:0xffffb9fe401ec000 # [ <4>[ 47.212089] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 39.694463] Code: Unable to access opcode bytes at RIP 0xffffb9<4>[ 47.227724] softirqs last disabled at (0): [<0000000000000000>] 0x0 fe401ebfd6. # [ 39.702434] RSP: 0018:ffffb9fe4238fe38 EFLAGS:<4>[ 47.241274] ---[ end trace fc66307ea2d46694 ]--- 00010246 # [ 39.708565] RAX: 0000000000000033 RBX: 000000000<6>[ 47.252950] lkdtm: Overflow detected: saturated 0000001 RCX: 0000000000000000 # [ 39.716827] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 39.725090] RBP: ffffb9fe401ec000 R08: 0000000000000000 R09: 0000000000000000 # [ 39.733352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 39.741617] R13: ffffb9fe4238ff10 R14: ffffb9fe4238ff10 R15: ffffa020c38ed000 # [ 39.749880] FS: 00007fce108ce580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 39.759201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.765908] CR2: ffffb9fe401ebfd6 CR3: 0000000103e12006 CR4: 00000000003706e0 # [ 39.774171] Call Trace: # [ 39.777193] ? __die_body.cold+0x1a/0x1f # [ 39.781862] ? no_context+0x177/0x380 # [ 39.786233] ? exc_page_fault+0xd7/0x170 # [ 39.790903] ? asm_exc_page_fault+0x1e/0x30 # [ 39.795860] ? execute_location+0x45/0x56 # [ 39.800628] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 39.805588] ? direct_entry.cold+0x2c/0x38 # [ 39.810455] ? full_proxy_write+0x53/0x80 # [ 39.815222] ? vfs_write+0xe7/0x3b0 # [ 39.819397] ? ksys_write+0x68/0xf0 # [ 39.823572] ? do_syscall_64+0x30/0x40 # [ 39.828048] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.834177] 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 uvcvideo videobu<6>[ 47.396152] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW f2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger c<6>[ 47.409163] lkdtm: attempting bad refcount_inc_not_zero() overflow ros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub<4>[ 47.422571] ------------[ cut here ]------------ cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi <4>[ 47.434230] refcount_t: saturated; leaking memory. x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_com<4>[ 47.446122] WARNING: CPU: 1 PID: 2074 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 mon cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kb<4>[ 47.462028] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table d_led_backlight coreboot_table # [ 39.893183] CR2: ffffb9fe40<4>[ 47.521002] CPU: 1 PID: 2074 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 47.536163] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1ec000 # [ 39.897173] ---[ end trace fc66307ea2d4668a ]--- #<4>[ 47.543265] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 47.555613] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad [ 39.902621] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.907290] C<4>[ 47.576896] RSP: 0018:ffffb9fe42957e38 EFLAGS: 00010282 <4>[ 47.589237] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ode: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea<4>[ 47.597504] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 <4>[ 47.611982] RBP: ffffffffa3b82748 R08: 0000000000000000 R09: 0000000000000000 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 <4>[ 47.620250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 47.634728] R13: ffffb9fe42957f10 R14: ffffb9fe42957f10 R15: ffffa020c3afc000 <4>[ 47.642996] FS: 00007f59e3856580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 7e<4>[ 47.652332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.665254] CR2: 00007f59e3660000 CR3: 0000000103e76003 CR4: 00000000003706e0 0b 03 # [ 39.928570] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 0001<4>[ 47.673521] Call Trace: 0282 # [ 39.934687] RAX: ffffffffa257be10 RBX: 00000000000000<4>[ 47.682758] ? __warn+0x80/0x110 <4>[ 47.692868] ? refcount_warn_saturate+0x97/0x110 01 RCX: 0000000000000000 # [ 39.942949] RDX: 0000000000000000<4>[ 47.698319] ? report_bug+0x9e/0xc0 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 39.951211] R<4>[ 47.708716] ? handle_bug+0x41/0x90 <4>[ 47.719119] ? exc_invalid_op+0x14/0x70 BP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001<4>[ 47.723696] ? asm_exc_invalid_op+0x12/0x20 # [ 39.959471] R10: 00000000ffffe000 R11: 3fffffffffffffff R<4>[ 47.734875] ? refcount_warn_saturate+0x97/0x110 12: 0000000000000004 # [ 39.967734] R13: ffffb9fe4137ff10 R14<4>[ 47.746557] ? refcount_warn_saturate+0x97/0x110 : ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 39.975996] FS: <4>[ 47.758203] __refcount_add_not_zero.constprop.0+0x2a/0x35 00007fce108ce580(0000) GS:ffffa0213ad80000(0000) knlGS:000000000<4>[ 47.770842] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 0000000 # [ 39.985328] CS: 0010 DS: 0000 ES: 0000 CR0: 00000<4>[ 47.783584] direct_entry.cold+0x2c/0x38 00080050033 # [ 39.992037] CR2: ffffb9fe401ebfd6 CR3: 0000000<4>[ 47.794479] full_proxy_write+0x53/0x80 103e12006 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace<4>[ 47.805269] vfs_write+0xe7/0x3b0 :': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lk<4>[ 47.815474] ksys_write+0x68/0xf0 dtm: EXEC_RODATA.sh # Killed # [ 40.171448] lkdtm: Performin<4>[ 47.825682] do_syscall_64+0x30/0x40 g direct entry EXEC_RODATA # [ 40.180361] lkdtm: attempting o<4>[ 47.836179] entry_SYSCALL_64_after_hwframe+0x62/0xc7 k execution at ffffffffa257c1e0 # [ 40.187177] lkdtm: attempt<4>[ 47.848330] RIP: 0033:0x7f59e376c473 ing bad execution at ffffffffa36f8940 # [ 40.194105] kernel t<4>[ 47.858830] 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 ried to execute NX-protected page - exploit attempt? (uid: 0) #<4>[ 47.886323] RSP: 002b:00007ffe57b10608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.202765] BUG: unable to handle page fault for address: ff<4>[ 47.901287] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f59e376c473 ffffffa36f8940 # [ 40.216951] #PF: supervisor instruction fet<4>[ 47.915769] RDX: 000000000000001f RSI: 00007f59e3660000 RDI: 0000000000000001 ch in kernel mode # [ 40.223562] #PF: error_code(0x0011) - pe<4>[ 47.930251] RBP: 00007f59e3660000 R08: 00007f59e365f010 R09: 0000000000000000 rmissions violation # [ 40.230076] PGD 140e29067 P4D 140e2906<4>[ 47.944733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 7 PUD 140e2a063 PMD 80000001406000e1 # [ 40.238149] Oops: 00<4>[ 47.959214] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11 [#9] SMP PTI # [ 40.248546] CPU: 3 PID: 1718 Comm: cat Tai<4>[ 47.973701] irq event stamp: 0 nted: G D W 5.10.205-cip41 #1 # [ 40.257478] Har<4>[ 47.983623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.264<4>[ 47.997134] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 578] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 40.270622<4>[ 48.012781] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ] Code: ff ff cf 0b c6 a2 ff ff ff ff b2 2c b8 a3 ff ff ff ff 15<4>[ 48.028429] softirqs last disabled at (0): [<0000000000000000>] 0x0 f3 c5 a2 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 <4>[ 48.041940] ---[ end trace fc66307ea2d46695 ]--- 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69<6>[ 48.053603] lkdtm: Overflow detected: saturated 73 20 69 # [ 40.291897] RSP: 0018:ffffb9fe42437e48 EFLAGS: 00010246 # [ 40.298025] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 40.306287] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 40.314565] RBP: ffffffffa36f8940 R08: 0000000000000000 R09: 0000000000000000 # [ 40.322826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 40.331089] R13: ffffb9fe42437f10 R14: ffffb9fe42437f10 R15: ffffa020c2775000 # [ 40.339351] FS: 00007f47c8ae8580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 40.348682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.355389] CR2: ffffffffa36f8940 CR3: 0000000103466006 CR4: 00000000003706e0 # [ 40.363650] Call Trace: # [ 40.366671] ? __die_body.cold+0x1a/0x1f # [ 40.371342] ? no_context+0x177/0x380 # [ 40.375721] ? exc_page_fault+0xd7/0x170 # [ 40.380392] ? asm_exc_page_fault+0x1e/0x30 # [ 40.385357] ? execute_location+0x45/0x56 # [ 40.390123] ? direct_entry.cold+0x2c/0x38 # [ 40.394978] ? full_proxy_write+0x53/0x80 # [ 40.399744] ? vfs_write+0xe7/0x3b0 # [ 40.403928] ? ksys_write+0x68/0xf0 # [ 40.408112] ? do_syscall_64+0x30/0x40 # [ 40.412577] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.418706] 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 uvcv<6>[ 48.207919] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_us<6>[ 48.216152] lkdtm: attempting bad refcount_add_not_zero() overflow bpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_<4>[ 48.229604] ------------[ cut here ]------------ ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf<4>[ 48.241242] refcount_t: saturated; leaking memory. 2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine v<4>[ 48.253132] WARNING: CPU: 1 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ideobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_ps<4>[ 48.269044] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table tore cros_kbd_led_backlight coreboot_table # [ 40.477708] CR2<4>[ 48.328018] CPU: 1 PID: 2107 Comm: cat Tainted: G D W 5.10.205-cip41 #1 : ffffffffa36f8940 # [ 40.481696] ---[ end trace fc66307ea2d4<4>[ 48.343183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 668b ]--- # [ 40.487143] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 48.356502] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 48.368848] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad 40.491802] Code: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff ff eb de<4>[ 48.390155] RSP: 0018:ffffb9fe429cfe38 EFLAGS: 00010282 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 <4>[ 48.402476] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 48.416957] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00<4>[ 48.425224] RBP: ffffffffa3b82768 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.439701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 83 05 e0 7e 0b 03 # [ 40.513080] RSP: 0018:ffffb9fe4137fe60 <4>[ 48.447969] R13: ffffb9fe429cff10 R14: ffffb9fe429cff10 R15: ffffa020c3565000 <4>[ 48.462446] FS: 00007f4441b1c580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 EFLAGS: 00010282 # [ 40.519197] RAX: ffffffffa257be10 RBX: 00<4>[ 48.471781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.484704] CR2: 00007f4441926000 CR3: 0000000103ffe004 CR4: 00000000003706e0 <4>[ 48.492971] Call Trace: 00000000000001 RCX: 0000000000000000 # [ 40.527458] RDX: 0000<4>[ 48.495997] ? __warn+0x80/0x110 <4>[ 48.506106] ? refcount_warn_saturate+0x97/0x110 000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ <4>[ 48.511578] ? report_bug+0x9e/0xc0 40.535720] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000<4>[ 48.521976] ? handle_bug+0x41/0x90 <4>[ 48.532379] ? exc_invalid_op+0x14/0x70 000000000001 # [ 40.543981] R10: 00000000ffffe000 R11: 3fffff<4>[ 48.536980] ? asm_exc_invalid_op+0x12/0x20 ffffffffff R12: 0000000000000004 # [ 40.552243] R13: ffffb9fe<4>[ 48.548155] ? refcount_warn_saturate+0x97/0x110 <4>[ 48.559820] ? refcount_warn_saturate+0x97/0x110 4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 40.5<4>[ 48.565271] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 48.577902] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 60503] FS: 00007f47c8ae8580(0000) GS:ffffa0213ad80000(0000) knl<4>[ 48.584443] direct_entry.cold+0x2c/0x38 GS:0000000000000000 # [ 40.569834] CS: 0010 DS: 0000 ES: 000<4>[ 48.595330] full_proxy_write+0x53/0x80 0 CR0: 0000000080050033 # [ 40.576560] CR2: ffffffffa36f8940 <4>[ 48.606125] vfs_write+0xe7/0x3b0 CR3: 0000000103466006 CR4: 00000000003706e0 # [ 40.584825] BU<4>[ 48.616331] ksys_write+0x68/0xf0 G: sleeping function called from invalid context at include/linu<4>[ 48.626561] do_syscall_64+0x30/0x40 <4>[ 48.637064] entry_SYSCALL_64_after_hwframe+0x62/0xc7 x/percpu-rwsem.h:49 # [ 40.595030] in_atomic(): 0, irqs_disab<4>[ 48.643024] RIP: 0033:0x7f4441a32473 <4>[ 48.653519] 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 led(): 1, non_block: 0, pid: 1718, name: cat # [ 40.603776] I<4>[ 48.674803] RSP: 002b:00007fff308913b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.689765] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4441a32473 NFO: lockdep is turned off. # [ 40.608443] irq event stamp: 0<4>[ 48.698032] RDX: 000000000000001f RSI: 00007f4441926000 RDI: 0000000000000001 <4>[ 48.712507] RBP: 00007f4441926000 R08: 00007f4441925010 R09: 0000000000000000 <4>[ 48.720772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.612140] hardirqs last enabled at (0): [<000000000000<4>[ 48.729040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000>] 0x0 # [ 40.619420] hardirqs last disabled at (0): [[ 48.743522] irq event stamp: 0 <4>[ 48.753437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffa1afd6cc>] copy_process+0x65c/0x20e0 # [ 40.628847] sof<4>[ 48.760734] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.776374] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 tirqs last enabled at (0): [] copy_process+0x<4>[ 48.785806] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.799312] ---[ end trace fc66307ea2d46696 ]--- 65c/0x20e0 # [ 40.638274] softirqs last disabled at (0): [<00<6>[ 48.804763] lkdtm: Overflow detected: saturated 00000000000000>] 0x0 # [ 40.645568] CPU: 3 PID: 1718 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 40.654511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.661621] Call Trace: # [ 40.664641] dump_stack+0x77/0x9b # [ 40.668631] ___might_sleep.cold+0xa6/0xb6 # [ 40.673487] exit_signals+0x1c/0x300 # [ 40.677767] do_exit+0xc2/0xab0 # [ 40.681570] ? ksys_write+0x68/0xf0 # [ 40.685755] make_task_dead+0x2f/0x30 # [ 40.690133] rewind_stack_and_make_dead+0x17/0x20 # [ 40.695666] RIP: 0033:0x7f47c89fe473 # [ 40.699946] 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 # [ 40.721223] RSP: 002b:00007ffd62bd3968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.729971] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f47c89fe473 # [ 40.738230] RDX: 000000000000000c RSI: 00007f47c88f2000 RDI: 0000000000000001 # [ 40.746492] RBP: 00007f47c88f2000 R08: 00007f47c88f1010 R09: 0000000000000000 # [ 40.754754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.763016] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 40.886161] lkdtm: Performing direct entry EXEC_USERSPACE # [ 40.895767] lkdtm: attempting ok execution at ffffffffa257c1e0 # [ 40.908820] lkdtm: attempting bad execution at 00007fe42b296000 # [ 40.921930] unable to execute us<6>[ 48.974409] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO erspace code (SMEP?) (uid: 0) # [ 40.934834] BUG: unable to h<6>[ 48.984688] lkdtm: attempting good refcount_dec() andle page fault for address: 00007fe42b296000 # [ 40.942798]<6>[ 48.996470] lkdtm: attempting bad refcount_dec() to zero #PF: supervisor instruction fetch in kernel mode # [ 40.9494<4>[ 49.008911] ------------[ cut here ]------------ 09] #PF: error_code(0x0011) - permissions violation # [ 40.95<4>[ 49.020605] refcount_t: decrement hit 0; leaking memory. 5940] PGD 8000000103e24067 P4D 8000000103e24067 PUD 1029f4067 PM<4>[ 49.033030] WARNING: CPU: 0 PID: 2140 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 D 10391d067 PTE 10e9c9067 # [ 40.972172] Oops: 0011 [#10] SMP<4>[ 49.049010] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table PTI # [ 40.976453] CPU: 1 PID: 1755 Comm: cat Tainted: G <4>[ 49.107967] CPU: 0 PID: 2140 Comm: cat Tainted: G D W 5.10.205-cip41 #1 D W 5.10.205-cip41 #1 # [ 40.985395] Hardware name:<4>[ 49.123119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.992496] RIP: 0<4>[ 49.136440] RIP: 0010:refcount_warn_saturate+0xfb/0x110 010:0x7fe42b296000 # [ 40.996776] Code: Unable to access opco<4>[ 49.148767] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b de bytes at RIP 0x7fe42b295fd6. # [ 41.004359] RSP: 0018:ffff<4>[ 49.176284] RSP: 0018:ffffb9fe42a57e48 EFLAGS: 00010286 b9fe424bfe50 EFLAGS: 00010246 # [ 41.010486] RAX: 00000000000<4>[ 49.188621] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 00033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 41.0187<4>[ 49.203112] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 39] RDX: 0000000000000000 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac<4>[ 49.217636] RBP: ffffffffa3b82b21 R08: 0000000000000000 R09: 0000000000000000 9bf50 # [ 41.027000] RBP: 00007fe42b296000 R08: 0000000000000<4>[ 49.232104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000 R09: 0000000000000000 # [ 41.035260] R10: 00000000ffffe00<4>[ 49.246598] R13: ffffb9fe42a57f10 R14: ffffb9fe42a57f10 R15: ffffa020c2991000 0 R11: 3fffffffffffffff R12: 000000000000000f # [ 41.043523] <4>[ 49.261072] FS: 00007f0f0520e580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 R13: ffffb9fe424bff10 R14: ffffb9fe424bff10 R15: ffffa020c490c00<4>[ 49.276651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 41.051786] FS: 00007fe42b267580(0000) GS:ffffa0213ac80<4>[ 49.289570] CR2: 00007f0f05018000 CR3: 0000000102a72005 CR4: 00000000003706f0 000(0000) knlGS:0000000000000000 # [ 41.061109] CS: 0010 DS:<4>[ 49.304049] Call Trace: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.067816] CR2: 0000<4>[ 49.313300] ? __warn+0x80/0x110 7fe42b296000 CR3: 0000000105a36003 CR4: 00000000003706e0 # [ <4>[ 49.323408] ? refcount_warn_saturate+0xfb/0x110 41.076077] Call Trace: # [ 41.079099] ? __die_body.cold+0x1a<4>[ 49.335084] ? report_bug+0x9e/0xc0 /0x1f # [ 41.089988] ? no_context+0x177/0x380 # [ 41.0943<4>[ 49.345488] ? handle_bug+0x41/0x90 70] ? exc_page_fault+0x53/0x170 # [ 41.105252] ? asm_exc_pa<4>[ 49.355891] ? exc_invalid_op+0x14/0x70 ge_fault+0x1e/0x30 # [ 41.110217] ? lkdtm_EXEC_USERSPACE.col<4>[ 49.366668] ? asm_exc_invalid_op+0x12/0x20 d+0x66/0xae # [ 41.122074] ? direct_entry.cold+0x2c/0x38 # <4>[ 49.377849] ? refcount_warn_saturate+0xfb/0x110 [ 41.126941] ? full_proxy_write+0x53/0x80 # [ 41.131709] <4>[ 49.389493] ? refcount_warn_saturate+0xfb/0x110 ? vfs_write+0xe7/0x3b0 # [ 41.142106] ? ksys_write+0x68/0xf0<4>[ 49.401144] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 41.146282] ? do_syscall_64+0x30/0x40 # [ 41.150759] <4>[ 49.412621] direct_entry.cold+0x2c/0x38 ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.156887] Mo<4>[ 49.423531] full_proxy_write+0x53/0x80 dules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensor<4>[ 49.434336] vfs_write+0xe7/0x3b0 s cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i<4>[ 49.444543] ksys_write+0x68/0xf0 ndustrialio snd_soc_da7219 uvcvideo videobuf2_vmalloc videobuf2_<4>[ 49.454753] do_syscall_64+0x30/0x40 memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_u<4>[ 49.465245] entry_SYSCALL_64_after_hwframe+0x62/0xc7 sbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_e<4>[ 49.477397] RIP: 0033:0x7f0f05124473 c_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal <4>[ 49.487908] 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 cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify<4>[ 49.515421] RSP: 002b:00007ffc87ad3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreb<4>[ 49.530385] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0f05124473 oot_table # [ 41.215857] CR2: 00007fe42b296000 # [ 41.2198<4>[ 49.544865] RDX: 0000000000000012 RSI: 00007f0f05018000 RDI: 0000000000000001 45] ---[ end trace fc66307ea2d4668c ]--- # [ 41.225292] RIP: <4>[ 49.559318] RBP: 00007f0f05018000 R08: 00007f0f05017010 R09: 0000000000000000 0010:lkdtm_BUG+0x5/0x10 # [ 41.229960] Code: 89 ff e8 2e d5 7<4>[ 49.559320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.559321] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[ 49.559328] irq event stamp: 0 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[ 49.606445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 7e 0b 03 # [ 41.2512<4>[ 49.619966] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 36] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 41.257353<4>[ 49.635613] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000<4>[ 49.651249] softirqs last disabled at (0): [<0000000000000000>] 0x0 000 # [ 41.265615] RDX: 0000000000000000 RSI: ffffa0213ad9bf5<4>[ 49.664763] ---[ end trace fc66307ea2d46697 ]--- 0 RDI: ffffffffa36f84b0 # [ 41.273877] RBP: ffffffffa3be8c28 <6>[ 49.676405] lkdtm: Zero detected: saturated R08: 0000000000000001 R09: 0000000000000001 # [ 41.282137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.290399] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 41.298661] FS: 00007fe42b267580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 41.307992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.314692] CR2: 00007fe42b296000 CR3: 0000000105a36003 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 41.429012] lkdtm: Performing direct entry EXEC_NULL # [ 41.440674] lkdtm: attempting ok execution at ffffffffa257c1e0 # [ 41.447491] lkdtm: attempting bad execution at 0000000000000000 # [ 41.454451] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.462529] #PF: supervisor instruction fetch in kernel mode # [ 41.475355] #PF: error_code(0x0010) - not-present page # [ 41.481383] PGD 0 P4D 0 # [ 41.484499] Oops: 0010 [#11] SMP PTI # [ 41.488779] CPU: 2 PID: 1792 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 41.497721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.504818] RIP: 0010:0x0 # [ 41.508030] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 41.515992] RSP: 0018:ffffb9fe4252fe48 EFLAGS: 00010246 # [ 41.522119] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 41.530381] RDX: 0000000000000000 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 # [ 41.538643] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 41.546907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 41.555169] R13: ffffb9fe4252ff10 R14: ffffb9fe4252ff10 R15: ffffa020c3e74000 # [ 41.563431] FS: 00007f57ecfa2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 41.572762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.579471] CR2: ffffffffffffffd6 CR3: 0000000103914<6>[ 49.885428] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 002 CR4: 00000000003706e0 # [ 41.587734] Call Trace: # [ 4<6>[ 49.893659] lkdtm: attempting bad refcount_dec() below zero 1.590755] ? __die_body.cold+0x1a/0x1f # [ 41.595425] ? no_c<4>[ 49.906400] ------------[ cut here ]------------ <4>[ 49.918057] refcount_t: decrement hit 0; leaking memory. ontext+0x177/0x380 # [ 41.599795] ? exc_page_fault+0x53/0x17<4>[ 49.924317] WARNING: CPU: 1 PID: 2176 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0 # [ 41.604464] ? asm_exc_page_fault+0x1e/0x30 # [ 41.60<4>[ 49.940219] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table 9430] execute_location+0x45/0x56 # [ 41.614002] direct_entr<4>[ 49.999193] CPU: 1 PID: 2176 Comm: cat Tainted: G D W 5.10.205-cip41 #1 y.cold+0x2c/0x38 # [ 41.618674] full_proxy_write+0x53/0x80 <4>[ 50.014353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.623247] vfs_write+0xe7/0x3b0 # [ 41.627227] ksys_w<4>[ 50.027669] RIP: 0010:refcount_warn_saturate+0xfb/0x110 rite+0x68/0xf0 # [ 41.631218] do_syscall_64+0x30/0x40 # [ <4>[ 50.040011] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 41.635500] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.<4>[ 50.067512] RSP: 0018:ffffb9fe42acfe48 EFLAGS: 00010286 641431] RIP: 0033:0x7f57eceb8473 # [ 41.645712] Code: 8b 15 2<4>[ 50.079861] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 50.094343] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 1 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64<4>[ 50.102618] RBP: ffffffffa3b82b33 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.117094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0<4>[ 50.125362] R13: ffffb9fe42acff10 R14: ffffb9fe42acff10 R15: ffffa020c3495000 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 50.139839] FS: 00007ff1178b5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 41.666983] RSP: 002b:00007ffd745c17f8 EFLAGS: 00000246 ORIG_RA<4>[ 50.155390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.168318] CR2: 00007ff1176bf000 CR3: 00000001063bc004 CR4: 00000000003706e0 X: 0000000000000001 # [ 41.675729] RAX: ffffffffffffffda RBX:<4>[ 50.176585] Call Trace: 000000000000000a RCX: 00007f57eceb8473 # [ 41.683990] RDX: 0<4>[ 50.185826] ? __warn+0x80/0x110 00000000000000a RSI: 00007f57ecdac000 RDI: 0000000000000001 # [<4>[ 50.195937] ? refcount_warn_saturate+0xfb/0x110 41.692251] RBP: 00007f57ecdac000 R08: 00007f57ecdab010 R09: 0<4>[ 50.207621] ? report_bug+0x9e/0xc0 000000000000000 # [ 41.700513] R10: fffffffffffffbc5 R11: 000<4>[ 50.218026] ? handle_bug+0x41/0x90 <4>[ 50.228424] ? exc_invalid_op+0x14/0x70 0000000000246 R12: 0000000000000001 # [ 41.708776] R13: 00000<4>[ 50.233000] ? asm_exc_invalid_op+0x12/0x20 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4<4>[ 50.244204] ? refcount_warn_saturate+0xfb/0x110 1.717040] Modules linked in: fuse ip_tables cros_ec_lid_angle cr<4>[ 50.255843] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.267505] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer<4>[ 50.273150] direct_entry.cold+0x2c/0x38 kfifo_buf industrialio snd_soc_da7219 uvcvideo videobuf2_vmallo<4>[ 50.284030] full_proxy_write+0x53/0x80 c videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_de<4>[ 50.294822] vfs_write+0xe7/0x3b0 bugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_<4>[ 50.305031] ksys_write+0x68/0xf0 sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_t<4>[ 50.315243] do_syscall_64+0x30/0x40 emp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_<4>[ 50.325743] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 50.337893] RIP: 0033:0x7ff1177cb473 usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_bac<4>[ 50.342179] 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>[ 50.369668] RSP: 002b:00007ffe6f050128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 klight coreboot_table # [ 41.776047] CR2: 0000000000000000 #<4>[ 50.378423] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff1177cb473 <4>[ 50.392900] RDX: 0000000000000016 RSI: 00007ff1176bf000 RDI: 0000000000000001 [ 41.780035] ---[ end trace fc66307ea2d4668d ]--- # [ 41.7<4>[ 50.401167] RBP: 00007ff1176bf000 R08: 00007ff1176be010 R09: 0000000000000000 <4>[ 50.415645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 85483] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 50.423913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.790151] Code: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff ff<4>[ 50.435773] irq event stamp: 0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 50.445688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.459200] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 50.468634] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00 00 83 05 e0 7e 0b 03<4>[ 50.484277] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.493905] ---[ end trace fc66307ea2d46698 ]--- <6>[ 50.499355] lkdtm: Negative detected: saturated # [ 41.811430] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 41.817568] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.825830] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 41.834090] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 41.842351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.850613] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 41.858875] FS: 00007f57ecfa2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 41.868206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.874914] CR2: ffffffffffffffd6 CR3: 0000000103914002 CR4: 00000000003706e0 # [ 41.883176] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.893382] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat # [ 41.902130] INFO: lockdep is turned off. # [ 41.906797] irq event stamp: 0 # [ 41.910494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.917788] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.927216] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.936644] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.943936] CPU: 2 PID: 1792 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 41.952879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.959975] Call Trace<6>[ 50.648262] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 50.661974] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 50.669406] ------------[ cut here ]------------ <4>[ 50.674874] refcount_t: underflow; use-after-free. <4>[ 50.680555] WARNING: CPU: 3 PID: 2212 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 50.690286] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table : # [ 41.962994] dump_stack+0x77/0x9b # [ 41.966984] ___<4>[ 50.743074] CPU: 3 PID: 2212 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 50.758226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.765327] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 50.771459] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 50.792770] RSP: 0018:ffffb9fe42b57e40 EFLAGS: 00010286 might_sleep.cold+0xa6/0xb6 # [ 41.971849] exit_signals+0x1c/<4>[ 50.798901] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 0x300 # [ 41.976130] do_exit+0xc2/0xab0 # [ 41.979926] ?<4>[ 50.813388] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 50.827868] RBP: ffffffffa3b82788 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.836133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 50.844399] R13: ffffb9fe42b57f10 R14: ffffb9fe42b57f10 R15: ffffa020c4015000 <4>[ 50.852688] FS: 00007f38208c2580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 ksys_write+0x68/0xf0 # [ 41.984110] make_task_dead+0x2f/0x3<4>[ 50.862033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.874952] CR2: 00007f38206cc000 CR3: 0000000102798001 CR4: 00000000003706e0 <4>[ 50.883217] Call Trace: <4>[ 50.886242] ? __warn+0x80/0x110 0 # [ 41.988480] rewind_stack_and_make_dead+0x17/0x20 # [ <4>[ 50.890162] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.901822] ? report_bug+0x9e/0xc0 <4>[ 50.906012] ? handle_bug+0x41/0x90 <4>[ 50.910221] ? exc_invalid_op+0x14/0x70 <4>[ 50.914797] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.919764] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.925244] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 50.931664] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 50.938180] direct_entry.cold+0x2c/0x38 <4>[ 50.942853] full_proxy_write+0x53/0x80 <4>[ 50.947454] vfs_write+0xe7/0x3b0 <4>[ 50.951446] ksys_write+0x68/0xf0 <4>[ 50.955438] do_syscall_64+0x30/0x40 <4>[ 50.959720] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 50.965654] RIP: 0033:0x7f38207d8473 <4>[ 50.969938] 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>[ 50.991220] RSP: 002b:00007ffd82cb9088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.999972] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f38207d8473 <4>[ 51.008236] RDX: 000000000000001f RSI: 00007f38206cc000 RDI: 0000000000000001 <4>[ 51.016501] RBP: 00007f38206cc000 R08: 00007f38206cb010 R09: 0000000000000000 <4>[ 51.024766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.033032] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.041302] irq event stamp: 0 <4>[ 51.045031] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.052326] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.061757] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.071186] softirqs last disabled at (0): [<0000000000000000>] 0x0 41.994023] RIP: 0033:0x7f57eceb8473 # [ 41.998304] Code: 8b <4>[ 51.078482] ---[ end trace fc66307ea2d46699 ]--- <6>[ 51.090149] lkdtm: Negative detected: saturated 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 # [ 42.019574] RSP: 002b:00007ffd745c17f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.028323] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f57eceb8473 # [ 42.036583] RDX: 000000000000000a RSI: 00007f57ecdac000 RDI: 0000000000000001 # [ 42.044845] RBP: 00007f57ecdac000 R08: 00007f57ecdab010 R09: 0000000000000000 # [ 42.053106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.061367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 42.193318] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 42.200509] lkdtm: attempting bad read at 00007efef4e97000 # [ 42.206941] BUG: unable to handle page fault for address: 00007efef4e97000 # [ 42.221112] #PF: supervisor read access in kernel mode # [ 42.227142] #PF: error_code(0x0001) - permissions violation # [ 42.233655] PGD 8000000102a6c067 P4D 8000000102a6c067 PUD 102a83067 PMD 10407f067 PTE 10b4db067 # [ 42.249886] Oops: 0001 [#12] SMP PTI # [ 42.254169] CPU: 3 PID: 1828 <6>[ 51.223973] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 4<6>[ 51.233929] lkdtm: attempting bad refcount_sub_and_test() below zero 2.263111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.247543] ------------[ cut here ]------------ # [ 42.270211] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa<4>[ 51.259195] refcount_t: underflow; use-after-free. 3 # [ 42.276724] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc<4>[ 51.271066] WARNING: CPU: 0 PID: 2248 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 cc cc 48 89 ee 48 c7 c7 d0 39 b8 a3 e8 24 d8 fb ff 48 c7 c7 f8 <4>[ 51.286961] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table 39 b8 a3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff<4>[ 51.345981] CPU: 0 PID: 2248 Comm: cat Tainted: G D W 5.10.205-cip41 #1 48 89 ee 48 c7 c7 20 3a b8 # [ 42.298002] RSP: 0018:ffffb9fe<4>[ 51.361153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 425afe48 EFLAGS: 00010246 # [ 42.304127] RAX: 00000000c0dec0d<4>[ 51.374466] RIP: 0010:refcount_warn_saturate+0xba/0x110 e RBX: 0000000000000026 RCX: 0000000000000000 # [ 42.312388] <4>[ 51.386848] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa3b839f<4>[ 51.414331] RSP: 0018:ffffb9fe42bafe40 EFLAGS: 00010286 8 # [ 42.320650] RBP: 00007efef4e97000 R08: 0000000000000000 <4>[ 51.426706] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 R09: 0000000000000000 # [ 42.328912] R10: 00000000ffffe000 R1<4>[ 51.441163] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 1: 3fffffffffffffff R12: 0000000000000011 # [ 42.337173] R13:<4>[ 51.455678] RBP: ffffffffa3b827a8 R08: 0000000000000000 R09: 0000000000000000 ffffb9fe425aff10 R14: ffffb9fe425aff10 R15: ffffa020c65fa000 #<4>[ 51.470160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 42.345437] FS: 00007efef4e68580(0000) GS:ffffa0213ad80000(<4>[ 51.484654] R13: ffffb9fe42baff10 R14: ffffb9fe42baff10 R15: ffffa020c38e3000 0000) knlGS:0000000000000000 # [ 42.354768] CS: 0010 DS: 000<4>[ 51.499138] FS: 00007f928ee54580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 0 ES: 0000 CR0: 0000000080050033 # [ 42.361477] CR2: 00007efe<4>[ 51.514679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f4e97000 CR3: 0000000103f8e005 CR4: 00000000003706e0 # [ 42.3<4>[ 51.527633] CR2: 00007f928ec5e000 CR3: 0000000103e52005 CR4: 00000000003706f0 69737] Call Trace: # [ 42.372758] ? __die_body.cold+0x1a/0x1<4>[ 51.542094] Call Trace: f # [ 42.377429] ? no_context+0x177/0x380 # [ 42.381809] <4>[ 51.551351] ? __warn+0x80/0x110 ? exc_page_fault+0x53/0x170 # [ 42.386478] ? asm_exc_page_f<4>[ 51.561454] ? refcount_warn_saturate+0xba/0x110 ault+0x1e/0x30 # [ 42.391441] ? lkdtm_ACCESS_USERSPACE.cold+<4>[ 51.573104] ? report_bug+0x9e/0xc0 0x41/0xa3 # [ 42.397275] ? lkdtm_ACCESS_USERSPACE.cold+0x35/<4>[ 51.583504] ? handle_bug+0x41/0x90 0xa3 # [ 42.403111] direct_entry.cold+0x2c/0x38 # [ 42.40<4>[ 51.593927] ? exc_invalid_op+0x14/0x70 7782] full_proxy_write+0x53/0x80 # [ 42.412355] vfs_write+0<4>[ 51.604696] ? asm_exc_invalid_op+0x12/0x20 xe7/0x3b0 # [ 42.416346] ksys_write+0x68/0xf0 # [ 42.4203<4>[ 51.615949] ? refcount_warn_saturate+0xba/0x110 34] do_syscall_64+0x30/0x40 # [ 42.424619] entry_SYSCALL_64<4>[ 51.627642] __refcount_sub_and_test.constprop.0+0x3c/0x50 _after_hwframe+0x62/0xc7 # [ 42.430569] RIP: 0033:0x7efef4d7e<4>[ 51.640260] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 473 # [ 42.434849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 <4>[ 51.652917] direct_entry.cold+0x2c/0x38 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7<4>[ 51.663883] full_proxy_write+0x53/0x80 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <4>[ 51.674637] vfs_write+0xe7/0x3b0 00 48 83 ec 28 48 89 54 24 18 # [ 42.456127] RSP: 002b:00007f<4>[ 51.684860] ksys_write+0x68/0xf0 fe13f86238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42<4>[ 51.695041] do_syscall_64+0x30/0x40 .464875] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007e<4>[ 51.705579] entry_SYSCALL_64_after_hwframe+0x62/0xc7 fef4d7e473 # [ 42.473138] RDX: 0000000000000011 RSI: 00007efe<4>[ 51.717697] RIP: 0033:0x7f928ed6a473 f4c72000 RDI: 0000000000000001 # [ 42.481401] RBP: 00007efef4<4>[ 51.728181] 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 c72000 R08: 00007efef4c71010 R09: 0000000000000000 # [ 42.489<4>[ 51.755682] RSP: 002b:00007ffd586be748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 664] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000<4>[ 51.770651] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f928ed6a473 000001 # [ 42.497926] R13: 0000000000000001 R14: 000000000002<4>[ 51.785120] RDX: 000000000000001f RSI: 00007f928ec5e000 RDI: 0000000000000001 0000 R15: 0000000000020000 # [ 42.506192] Modules linked in: <4>[ 51.799620] RBP: 00007f928ec5e000 R08: 00007f928ec5d010 R09: 0000000000000000 fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors<4>[ 51.814101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _core industrialio_triggered_buffer kfifo_buf industrialio snd_s<4>[ 51.828568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 oc_da7219 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_li<4>[ 51.843098] irq event stamp: 0 ghtbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_<4>[ 51.853006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_com<4>[ 51.866521] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 press videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_p<4>[ 51.882157] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 cm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_h<4>[ 51.897843] softirqs last disabled at (0): [<0000000000000000>] 0x0 id chromeos_pstore cros_kbd_led_backlight coreboot_table # [ <4>[ 51.911341] ---[ end trace fc66307ea2d4669a ]--- 42.565195] CR2: 00007efef4e97000 # [ 42.569184] ---[ end trac<6>[ 51.923004] lkdtm: Negative detected: saturated e fc66307ea2d4668e ]--- # [ 42.574630] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.579289] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 42.600568] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 42.606694] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.614956] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 42.623218] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 42.631482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.639745] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 42.648007] FS: 00007efef4e68580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 42.657338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.664047] CR2: 00007efef4e97000 CR3: 0000000103f8e005 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 42.810340] lkdtm: Performing direct entry ACCESS_NULL # [ 42.821326] lkdtm: attempting bad read at 0000000000000000 # [ 42.833983] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 42.848246] #PF: supervisor read access in<6>[ 52.070835] lkdtm: Performing direct entry REFCOUNT_INC_ZERO kernel mode # [ 42.854276] #PF: error_code(0x0000) - not-pre<6>[ 52.078063] lkdtm: attempting safe refcount_inc_not_zero() from zero sent page # [ 42.860297] PGD 0 P4D 0 # [ 42.863414] Oops:<6>[ 52.091668] lkdtm: Good: zero detected <6>[ 52.102359] lkdtm: Correctly stayed at zero 0000 [#13] SMP PTI # [ 42.867694] CPU: 1 PID: 1864 Comm: cat<6>[ 52.107324] lkdtm: attempting bad refcount_inc() from zero Tainted: G D W 5.10.205-cip41 #1 # [ 42.876626]<4>[ 52.119957] ------------[ cut here ]------------ Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42<4>[ 52.131637] refcount_t: addition on 0; use-after-free. .883726] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 42.889271]<4>[ 52.143908] WARNING: CPU: 1 PID: 2281 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 36 6d 0a ff e9 69 <4>[ 52.159836] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 b8 a3 e8 a2 d7 f<4>[ 52.218764] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.205-cip41 #1 b ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 b8 <4>[ 52.233918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 a3 48 01 # [ 42.916762] RSP: 0018:ffffb9fe4263fe58 EFLAGS: 00<4>[ 52.247234] RIP: 0010:refcount_warn_saturate+0x74/0x110 010246 # [ 42.922890] RAX: 000000000000002e RBX: 000000000000<4>[ 52.259577] Code: 02 01 e8 a9 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad a3 c6 05 a5 fa 16 02 01 e8 86 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad 0027 RCX: 0000000000000000 # [ 42.931145] RDX: 00000000000000<4>[ 52.287066] RSP: 0018:ffffb9fe42c6fe48 EFLAGS: 00010286 00 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 42.939399]<4>[ 52.299408] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 RBP: ffffffffa3b82ac1 R08: 0000000000000000 R09: 00000000000000<4>[ 52.313886] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 00 # [ 42.947652] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[ 52.328366] RBP: ffffffffa3b82b49 R08: 0000000000000000 R09: 0000000000000000 R12: 000000000000000c # [ 42.955915] R13: ffffb9fe4263ff10 R<4>[ 52.342842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 14: ffffb9fe4263ff10 R15: ffffa020c2a72000 # [ 42.964179] FS:<4>[ 52.357319] R13: ffffb9fe42c6ff10 R14: ffffb9fe42c6ff10 R15: ffffa020c2991000 00007f612b1b3580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000<4>[ 52.371800] FS: 00007fb74d73b580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 000000000 # [ 42.973501] CS: 0010 DS: 0000 ES: 0000 CR0: 000<4>[ 52.387351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000080050033 # [ 42.980210] CR2: 0000000000000000 CR3: 00000<4>[ 52.400279] CR2: 00007fb74d545000 CR3: 0000000103710002 CR4: 00000000003706e0 <4>[ 52.414757] Call Trace: 00103970005 CR4: 00000000003706e0 # [ 42.988470] Call Trace: <4>[ 52.417800] ? __warn+0x80/0x110 <4>[ 52.427885] ? refcount_warn_saturate+0x74/0x110 # [ 42.991492] ? __die_body.cold+0x1a/0x1f # [ 42.996164]<4>[ 52.433360] ? report_bug+0x9e/0xc0 ? no_context+0x177/0x380 # [ 43.006757] ? exc_page_fault+0<4>[ 52.443756] ? handle_bug+0x41/0x90 <4>[ 52.454156] ? exc_invalid_op+0x14/0x70 x53/0x170 # [ 43.011428] ? asm_exc_page_fault+0x1e/0x30 # [<4>[ 52.458734] ? asm_exc_invalid_op+0x12/0x20 43.022618] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.027489] <4>[ 52.469909] ? refcount_warn_saturate+0x74/0x110 ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.038569] direct_entry.co<4>[ 52.481574] ? refcount_warn_saturate+0x74/0x110 <4>[ 52.493239] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 ld+0x2c/0x38 # [ 43.043240] full_proxy_write+0x53/0x80 # [ <4>[ 52.498496] direct_entry.cold+0x2c/0x38 43.047815] vfs_write+0xe7/0x3b0 # [ 43.058017] ksys_write<4>[ 52.509377] full_proxy_write+0x53/0x80 +0x68/0xf0 # [ 43.062009] do_syscall_64+0x30/0x40 # [ 43.<4>[ 52.520193] vfs_write+0xe7/0x3b0 066292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.0722<4>[ 52.530401] ksys_write+0x68/0xf0 25] RIP: 0033:0x7f612b0c9473 # [ 43.076504] Code: 8b 15 21 2a<4>[ 52.540635] do_syscall_64+0x30/0x40 <4>[ 52.551133] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b <4>[ 52.557069] RIP: 0033:0x7fb74d651473 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0<4>[ 52.567574] 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>[ 52.595068] RSP: 002b:00007ffcc5f3da88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43<4>[ 52.603845] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb74d651473 .097782] RSP: 002b:00007fffa6358da8 EFLAGS: 00000246 ORIG_RAX: 0<4>[ 52.618319] RDX: 0000000000000012 RSI: 00007fb74d545000 RDI: 0000000000000001 <4>[ 52.632798] RBP: 00007fb74d545000 R08: 00007fb74d544010 R09: 0000000000000000 000000000000001 # [ 43.106531] RAX: ffffffffffffffda RBX: 000<4>[ 52.641062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.655537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000c RCX: 00007f612b0c9473 # [ 43.114794] RDX: 00000<4>[ 52.663831] irq event stamp: 0 0000000000c RSI: 00007f612afbd000 RDI: 0000000000000001 # [ 4<4>[ 52.673738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3.123055] RBP: 00007f612afbd000 R08: 00007f612afbc010 R09: 00000<4>[ 52.687249] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.702895] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00000000000 # [ 43.131318] R10: fffffffffffffbc5 R11: 0000000<4>[ 52.712327] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.725830] ---[ end trace fc66307ea2d4669b ]--- 000000246 R12: 0000000000000001 # [ 43.139580] R13: 000000000<6>[ 52.731279] lkdtm: Zero detected: saturated 0000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.147846] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.206818] CR2: 0000000000000000 # [ 43.210807] ---[ end trace fc66307ea2d4668f ]--- # [ 43.216254] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.220923] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 43.242203] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 43.248329] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.256606] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 43.264877] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 43.279354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.287619] R13: ffffb9fe4137ff10 R14: ffffb9fe413<6>[ 52.874312] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 52.885801] lkdtm: attempting safe refcount_add_not_zero() from zero 7ff10 R15: ffffa020c3818000 # [ 43.295881] FS: 00007f612b1b3<6>[ 52.893222] lkdtm: Good: zero detected <6>[ 52.903909] lkdtm: Correctly stayed at zero <6>[ 52.908902] lkdtm: attempting bad refcount_add() from zero <4>[ 52.915322] ------------[ cut here ]------------ <4>[ 52.920769] refcount_t: addition on 0; use-after-free. <4>[ 52.926828] WARNING: CPU: 2 PID: 2314 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ <4>[ 52.936552] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 52.995525] CPU: 2 PID: 2314 Comm: cat Tainted: G D W 5.10.205-cip41 #1 43.305208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.004478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.017786] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 53.023938] Code: 02 01 e8 a9 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad a3 c6 05 a5 fa 16 02 01 e8 86 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad <4>[ 53.045216] RSP: 0018:ffffb9fe42ce7e48 EFLAGS: 00010286 <4>[ 53.051346] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 53.059621] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 <4>[ 53.067886] RBP: ffffffffa3b82b5b R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.076149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 53.084412] R13: ffffb9fe42ce7f10 R14: ffffb9fe42ce7f10 R15: ffffa020c3f2c000 <4>[ 53.092669] FS: 00007fb5df47d580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 53.102002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.108713] CR2: 00007fb5df287000 CR3: 0000000102672006 CR4: 00000000003706e0 <4>[ 53.116978] Call Trace: <4>[ 53.120002] ? __warn+0x80/0x110 <4>[ 53.123927] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.129375] ? report_bug+0x9e/0xc0 # [ 43.311918] CR2: 0000000000000000 CR3: 0000000103970005 CR4<4>[ 53.133573] ? handle_bug+0x41/0x90 <4>[ 53.143973] ? exc_invalid_op+0x14/0x70 : 00000000003706e0 # [ 43.320180] BUG: sleeping function call<4>[ 53.148571] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.159752] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.165231] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.170679] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 53.175934] direct_entry.cold+0x2c/0x38 <4>[ 53.180622] full_proxy_write+0x53/0x80 <4>[ 53.185197] vfs_write+0xe7/0x3b0 <4>[ 53.189211] ksys_write+0x68/0xf0 <4>[ 53.193204] do_syscall_64+0x30/0x40 <4>[ 53.197487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 53.203419] RIP: 0033:0x7fb5df393473 <4>[ 53.207702] 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>[ 53.228983] RSP: 002b:00007ffe3ab34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.237734] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb5df393473 <4>[ 53.245998] RDX: 0000000000000012 RSI: 00007fb5df287000 RDI: 0000000000000001 <4>[ 53.254262] RBP: 00007fb5df287000 R08: 00007fb5df286010 R09: 0000000000000000 <4>[ 53.262528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.270791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed from invalid context at include/linux/percpu-rwsem.h:49 # [ <4>[ 53.279060] irq event stamp: 0 <4>[ 53.288976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 43.330384] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, p<4>[ 53.296269] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.311913] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.321344] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.328638] ---[ end trace fc66307ea2d4669c ]--- <6>[ 53.334077] lkdtm: Zero detected: saturated id: 1864, name: cat # [ 43.339133] INFO: lockdep is turned off. # [ 43.343800] irq event stamp: 0 # [ 43.347498] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.354791] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.364212] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.373640] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.380932] CPU: 1 PID: 1864 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 43.389873] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.396969] Call Trace: # [ 43.399989] dump_stack+0x77/0x9b # [ 43.403981] ___might_sleep.cold+0xa6/0xb6 # [ 43.415060] exit_signals+0x1c/0x300 # [ 43.419342] do_exit+0xc2/0xab0 # [ 43.429352] ? ksys_write+0x68/0xf0 # [ 43.433538] make_task_dead+0x2f/0x30 # [ 43.437916] rewind_stack_and_make_dead+0x17/0x20 # [ 43.443450] RIP: 0033:0x7f612b0c9473 # [ 43.447729] 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 # [ 43.469008] RSP: 002b:00007fffa6358da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.477758] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f612b0c9473 # [ 43.486013] RDX: 000000000000000c RSI: 00007f612afbd000 RDI: 0000000000000001 # [ <6>[ 53.477063] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 43.494276] RBP: 00007f612afbd000 R08: 00007f612afbc010 R09: 00<6>[ 53.489488] lkdtm: attempting bad refcount_inc() from saturated 00000000000000 # [ 43.502538] R10: fffffffffffffbc5 R11: 0000<4>[ 53.502617] ------------[ cut here ]------------ <4>[ 53.514278] refcount_t: saturated; leaking memory. 000000000246 R12: 0000000000000001 # [ 43.510823] R13: 000000<4>[ 53.519955] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS<4>[ 53.535857] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table _NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NUL<4>[ 53.594830] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.205-cip41 #1 L.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 43.639919<4>[ 53.609995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] lkdtm: Performing direct entry WRITE_RO # [ 43.649140] lkdt<4>[ 53.623309] RIP: 0010:refcount_warn_saturate+0x51/0x110 m: attempting bad rodata write at ffffffffa36f8930 # [ 43.662<4>[ 53.635652] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad 547] BUG: unable to handle page fault for address: ffffffffa36f8<4>[ 53.663173] RSP: 0018:ffffb9fe42d57e48 EFLAGS: 00010286 930 # [ 43.676729] #PF: supervisor write access in kernel mod<4>[ 53.675499] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 53.689980] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 e # [ 43.682855] #PF: error_code(0x0003) - permissions violat<4>[ 53.698247] RBP: ffffffffa3b82b6d R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.712724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ion # [ 43.689369] PGD 140e29067 P4D 140e29067 PUD 140e2a063 <4>[ 53.720991] R13: ffffb9fe42d57f10 R14: ffffb9fe42d57f10 R15: ffffa020c0fcc000 <4>[ 53.735468] FS: 00007f582d0a8580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 PMD 80000001406000e1 # [ 43.703661] Oops: 0003 [#14] SMP PTI<4>[ 53.744806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.757727] CR2: 00007f582ceb2000 CR3: 0000000103976002 CR4: 00000000003706e0 # [ 43.707944] CPU: 1 PID: 1900 Comm: cat Tainted: G D <4>[ 53.765995] Call Trace: W 5.10.205-cip41 #1 # [ 43.716888] Hardware name: Goo<4>[ 53.775232] ? __warn+0x80/0x110 gle Rammus/Rammus, BIOS 09/04/2020 # [ 43.730204] RIP: 0010:<4>[ 53.785341] ? refcount_warn_saturate+0x51/0x110 lkdtm_WRITE_RO+0x2e/0x3a # [ 43.735455] Code: 00 48 c7 c7 b0 <4>[ 53.797008] ? report_bug+0x9e/0xc0 38 b8 a3 48 c7 c6 30 89 6f a3 e8 4c da fb ff 48 8b 05 d0 92 a9 0<4>[ 53.807415] ? handle_bug+0x41/0x90 <4>[ 53.817816] ? exc_invalid_op+0x14/0x70 0 ba 34 12 cd ab 48 c7 c7 e0 38 b8 a3 48 31 d0 <48> 89 05 ba 92 <4>[ 53.822391] ? asm_exc_invalid_op+0x12/0x20 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc # [ 43.762<4>[ 53.833574] ? refcount_warn_saturate+0x51/0x110 <4>[ 53.845228] ? refcount_warn_saturate+0x51/0x110 949] RSP: 0018:ffffb9fe426c7e60 EFLAGS: 00010202 # [ 43.76906<4>[ 53.850679] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 5] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 000000000000<4>[ 53.862629] direct_entry.cold+0x2c/0x38 0000 # [ 43.777326] RDX: 00000000abcd1234 RSI: ffffa0213ac9bf<4>[ 53.873523] full_proxy_write+0x53/0x80 50 RDI: ffffffffa3b838e0 # [ 43.785589] RBP: ffffffffa3b82acd<4>[ 53.884318] vfs_write+0xe7/0x3b0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.793850] R<4>[ 53.894525] ksys_write+0x68/0xf0 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009<4>[ 53.904734] do_syscall_64+0x30/0x40 # [ 43.802111] R13: ffffb9fe426c7f10 R14: ffffb9fe426c7f10 R<4>[ 53.915229] entry_SYSCALL_64_after_hwframe+0x62/0xc7 15: ffffa020c347f000 # [ 43.810372] FS: 00007fbee9e58580(000<4>[ 53.927377] RIP: 0033:0x7f582cfbe473 0) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 43.81<4>[ 53.937874] 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 9703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4<4>[ 53.965366] RSP: 002b:00007ffc6093da18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3.826410] CR2: ffffffffa36f8930 CR3: 0000000103aae005 CR4: 00000<4>[ 53.965369] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f582cfbe473 <4>[ 53.965370] RDX: 0000000000000017 RSI: 00007f582ceb2000 RDI: 0000000000000001 <4>[ 53.965372] RBP: 00007f582ceb2000 R08: 00007f582ceb1010 R09: 0000000000000000 000003706e0 # [ 43.834672] Call Trace: # [ 43.837691] ? _<4>[ 54.011326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _die_body.cold+0x1a/0x1f # [ 43.842363] ? no_context+0x177/0<4>[ 54.025800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x380 # [ 43.852954] ? exc_page_fault+0xd7/0x170 # [ 43.85<4>[ 54.040288] irq event stamp: 0 7631] ? asm_exc_page_fault+0x1e/0x30 # [ 43.868806] ? lkdtm<4>[ 54.050202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.063713] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 _WRITE_RO+0x2e/0x3a # [ 43.873377] direct_entry.cold+0x2c/0x<4>[ 54.073145] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.088787] softirqs last disabled at (0): [<0000000000000000>] 0x0 38 # [ 43.884260] full_proxy_write+0x53/0x80 <4>[ 54.096079] ---[ end trace fc66307ea2d4669d ]--- <6>[ 54.106379] lkdtm: Saturation detected: still saturated # [ 43.888833] vfs_write+0xe7/0x3b0 # [ 43.899033] ksys_write+0x68/0xf0 # [ 43.903024] do_syscall_64+0x30/0x40 # [ 43.907305] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.913237] RIP: 0033:0x7fbee9d6e473 # [ 43.917517] 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 # [ 43.938794] RSP: 002b:00007ffddf451a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.947560] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbee9d6e473 # [ 43.955824] RDX: 0000000000000009 RSI: 00007fbee9c62000 RDI: 0000000000000001 # [ 43.964085] RBP: 00007fbee9c62000 R08: 00007fbee9c61010 R09: 0000000000000000 # [ 43.972348] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.980618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.988884] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chrome<6>[ 54.246875] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED os_pstore cros_kbd_led_backlight coreboot_table # [ 44.047853<6>[ 54.260206] lkdtm: attempting bad refcount_dec() from saturated ] CR2: ffffffffa36f8930 # [ 44.051843] ---[ end trace fc66307<4>[ 54.273329] ------------[ cut here ]------------ ea2d46690 ]--- # [ 44.057290] RIP: 0010:lkdtm_BUG+0x5/0x10 #<4>[ 54.284992] refcount_t: decrement hit 0; leaking memory. [ 44.061960] Code: 89 ff e8 2e d5 79 ff 48 c7 c0 ea ff ff ff <4>[ 54.297464] WARNING: CPU: 1 PID: 2386 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e<4>[ 54.313375] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 <4>[ 54.372344] CPU: 1 PID: 2386 Comm: cat Tainted: G D W 5.10.205-cip41 #1 00 00 83 05 e0 7e 0b 03 # [ 44.083229] RSP: 0018:ffffb9fe4137<4>[ 54.387507] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fe60 EFLAGS: 00010282 # [ 44.089346] RAX: ffffffffa257be10 RB<4>[ 54.400825] RIP: 0010:refcount_warn_saturate+0xfb/0x110 X: 0000000000000001 RCX: 0000000000000000 # [ 44.097621] RDX:<4>[ 54.413172] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 #<4>[ 54.440667] RSP: 0018:ffffb9fe42e17e48 EFLAGS: 00010286 [ 44.105882] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09:<4>[ 54.453016] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0000000000000001 # [ 44.114143] R10: 00000000ffffe000 R11: 3<4>[ 54.467497] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 fffffffffffffff R12: 0000000000000004 # [ 44.122405] R13: fff<4>[ 54.481979] RBP: ffffffffa3b82b84 R08: 0000000000000000 R09: 0000000000000000 fb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ <4>[ 54.496462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 44.130667] FS: 00007fbee9e58580(0000) GS:ffffa0213ac80000(0000<4>[ 54.510943] R13: ffffb9fe42e17f10 R14: ffffb9fe42e17f10 R15: ffffa020c38c3000 ) knlGS:0000000000000000 # [ 44.139997] CS: 0010 DS: 0000 ES<4>[ 54.525426] FS: 00007f0c43e8f580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 : 0000 CR0: 0000000080050033 # [ 44.146703] CR2: ffffffffa36f<4>[ 54.540977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8930 CR3: 0000000103aae005 CR4: 00000000003706e0 # WRITE_RO: sa<4>[ 54.553906] CR2: 00007f0c43c99000 CR3: 0000000103126004 CR4: 00000000003706e0 <4>[ 54.568388] Call Trace: w 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # self<4>[ 54.571431] ? __warn+0x80/0x110 <4>[ 54.581518] ? refcount_warn_saturate+0xfb/0x110 tests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 44.273485]<4>[ 54.587015] ? report_bug+0x9e/0xc0 lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 44.28<4>[ 54.597413] ? handle_bug+0x41/0x90 <4>[ 54.607794] ? exc_invalid_op+0x14/0x70 6080] lkdtm: attempting bad ro_after_init write at ffffffffa3c0b<4>[ 54.612371] ? asm_exc_invalid_op+0x12/0x20 350 # [ 44.294010] BUG: unable to handle page fault for addre<4>[ 54.623565] ? refcount_warn_saturate+0xfb/0x110 <4>[ 54.635232] ? refcount_warn_saturate+0xfb/0x110 ss: ffffffffa3c0b350 # [ 44.301989] #PF: supervisor write acc<4>[ 54.640683] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f ess in kernel mode # [ 44.314329] #PF: error_code(0x0003) - p<4>[ 54.652632] direct_entry.cold+0x2c/0x38 ermissions violation # [ 44.320843] PGD 140e29067 P4D 140e290<4>[ 54.663521] full_proxy_write+0x53/0x80 67 PUD 140e2a063 PMD 10005e063 PTE 8000000140c0b061 # [ 44.33<4>[ 54.674314] vfs_write+0xe7/0x3b0 6396] Oops: 0003 [#15] SMP PTI # [ 44.340679] CPU: 3 PID: 193<4>[ 54.684523] ksys_write+0x68/0xf0 6 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ <4>[ 54.694733] do_syscall_64+0x30/0x40 <4>[ 54.705233] entry_SYSCALL_64_after_hwframe+0x62/0xc7 44.349623] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 54.711170] RIP: 0033:0x7f0c43da5473 <4>[ 54.721662] 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 0 # [ 44.356715] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5<4>[ 54.742945] RSP: 002b:00007fff35218d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.757909] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0c43da5473 a # [ 44.363036] Code: 39 b8 a3 e9 fe d9 fb ff 48 c7 c7 38 39<4>[ 54.766177] RDX: 0000000000000017 RSI: 00007f0c43c99000 RDI: 0000000000000001 <4>[ 54.780652] RBP: 00007f0c43c99000 R08: 00007f0c43c98010 R09: 0000000000000000 b8 a3 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 <4>[ 54.788919] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.803394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 e0 38 b8 a3 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f<4>[ 54.811668] irq event stamp: 0 1f 44 00 00 41 54 48 c7 c7 # [ 44.384304] RSP: 0018:ffffb9fe<4>[ 54.821581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 42757e60 EFLAGS: 00010202 # [ 44.390429] RAX: 00000000fe67479<4>[ 54.835098] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 e RBX: 0000000000000029 RCX: 0000000000000000 # [ 44.398691] <4>[ 54.850740] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 RDX: 00000000abcd1234 RSI: ffffa0213ad9bf50 RDI: ffffffffa3b838e<4>[ 54.866384] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 # [ 44.406952] RBP: ffffffffa3b82ad6 R08: 0000000000000000 <4>[ 54.879890] ---[ end trace fc66307ea2d4669e ]--- R09: 0000000000000000 # [ 44.415213] R10: 00000000ffffe000 R1<6>[ 54.891550] lkdtm: Saturation detected: still saturated 1: 3fffffffffffffff R12: 0000000000000014 # [ 44.423475] R13: ffffb9fe42757f10 R14: ffffb9fe42757f10 R15: ffffa020c34fd000 # [ 44.431737] FS: 00007fd5a486f580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 44.441069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.447769] CR2: ffffffffa3c0b350 CR3: 0000000102ac2002 CR4: 00000000003706e0 # [ 44.456032] Call Trace: # [ 44.459054] ? __die_body.cold+0x1a/0x1f # [ 44.463725] ? no_context+0x177/0x380 # [ 44.468103] ? exc_page_fault+0xd7/0x170 # [ 44.472773] ? asm_exc_page_fault+0x1e/0x30 # [ 44.477737] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 44.483377] direct_entry.cold+0x2c/0x38 # [ 44.488048] full_proxy_write+0x53/0x80 # [ 44.492624] vfs_write+0xe7/0x3b0 # [ 44.496623] ksys_write+0x68/0xf0 # [ 44.500625] do_syscall_64+0x30/0x40 # [ 44.504907] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.510840] RIP: 0033:0x7fd5a4785473 # [ 44.515121] 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 # [ 44.536391] RSP: 002b:00007ffe583fffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.545139] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd5a4785473 # [ 44.553403] RDX: 0000000000000014 RSI: 00007fd5a4679000 RDI: 0000000000000001 # [ 44.561658] RBP: 00007fd5a4679000 R08: 00007fd5a4678010 R09: 0000000000000000 # [ 44.569911] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<6>[ 55.057486] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 55.066578] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.073508] ------------[ cut here ]------------ <4>[ 55.078981] refcount_t: saturated; leaking memory. 000000001 # [ 44.578172] R13: 0000000000000001 R14: 000000000<4>[ 55.084663] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0020000 R15: 0000000000020000 # [ 44.586439] Modules linked i<4>[ 55.100575] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 55.159570] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.205-cip41 #1 n: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens<4>[ 55.168516] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.181826] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.187978] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad <4>[ 55.209261] RSP: 0018:ffffb9fe42ea7e48 EFLAGS: 00010286 <4>[ 55.215416] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 55.223680] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 <4>[ 55.231948] RBP: ffffffffa3b82b9b R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.240215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.248482] R13: ffffb9fe42ea7f10 R14: ffffb9fe42ea7f10 R15: ffffa020c634f000 <4>[ 55.256749] FS: 00007f0f266e2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 <4>[ 55.266085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.272796] CR2: 00007f0f264ec000 CR3: 0000000103466002 CR4: 00000000003706e0 <4>[ 55.281062] Call Trace: <4>[ 55.284104] ? __warn+0x80/0x110 ors_core industrialio_triggered_buffer kfifo_buf industrialio sn<4>[ 55.288007] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.299669] ? report_bug+0x9e/0xc0 <4>[ 55.303883] ? handle_bug+0x41/0x90 <4>[ 55.308100] ? exc_invalid_op+0x14/0x70 <4>[ 55.312676] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.317661] ? refcount_warn_saturate+0x51/0x110 d_soc_da7219 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec<4>[ 55.323118] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.334778] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 55.340519] direct_entry.cold+0x2c/0x38 <4>[ 55.345219] full_proxy_write+0x53/0x80 _lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger s<4>[ 55.349830] vfs_write+0xe7/0x3b0 nd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_<4>[ 55.360038] ksys_write+0x68/0xf0 compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev sn<4>[ 55.370250] do_syscall_64+0x30/0x40 <4>[ 55.380749] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.386713] RIP: 0033:0x7f0f265f8473 <4>[ 55.390997] 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>[ 55.412279] RSP: 002b:00007ffdff66e598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.421032] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f265f8473 <4>[ 55.429297] RDX: 0000000000000017 RSI: 00007f0f264ec000 RDI: 0000000000000001 d_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2<4>[ 55.437569] RBP: 00007f0f264ec000 R08: 00007f0f264eb010 R09: 0000000000000000 <4>[ 55.452050] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.460316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.468587] irq event stamp: 0 <4>[ 55.472315] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.479618] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.489050] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.498481] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.505775] ---[ end trace fc66307ea2d4669f ]--- <6>[ 55.511223] lkdtm: Saturation detected: still saturated c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.645445] CR2: ffffffffa3c0b350 # [ 44.649435] ---[ end trace fc66307ea2d46691 ]--- # [ 44.654883] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.659566] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 44.680843] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 44.686969] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.695230] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 44.703492] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 44.711753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.720014] R13: ffffb9fe4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 44.728276] FS: 00007fd5a486f580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 44.737623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.744331] CR2: ffffffffa3c0b350 CR3: 0000000102ac2002 CR4: 00000000003706e0 # [ 44.752608] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.762819] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1936, name: cat # [ 44.771569] INFO: lockdep is turned off. # [ 44.776228] irq event stamp: 0 # [ 44.779926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.787209] hardirqs last disa<6>[ 55.666478] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 55.674629] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 55.682440] ------------[ cut here ]------------ bled at (0): [] copy_process+0x65c/0x20e0 # [<4>[ 55.687891] refcount_t: saturated; leaking memory. 44.796628] softirqs last enabled at (0): [<4>[ 55.699763] WARNING: CPU: 3 PID: 2455 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ] copy_process+0x65c/0x20e0 # [ 44.806057] softirqs last disa<4>[ 55.715691] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table bled at (0): [<0000000000000000>] 0x0 # [ 44.813350] CPU: 3 P<4>[ 55.774698] CPU: 3 PID: 2455 Comm: cat Tainted: G D W 5.10.205-cip41 #1 ID: 1936 Comm: cat Tainted: G D W 5.10.205-cip41 #1<4>[ 55.789851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.822284] Hardware name: Google Rammus/Rammus, BIOS 09<4>[ 55.803162] RIP: 0010:refcount_warn_saturate+0x97/0x110 /04/2020 # [ 44.829381] Call Trace: # [ 44.832401] dump_s<4>[ 55.815504] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad tack+0x77/0x9b # [ 44.836392] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.842999] RSP: 0018:ffffb9fe42f47e38 EFLAGS: 00010282 # [ 44.841258] exit_signals+0x1c/0x300 # [ 44.845539] do<4>[ 55.855343] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 _exit+0xc2/0xab0 # [ 44.849359] ? ksys_write+0x68/0xf0 # [ <4>[ 55.869821] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 44.853562] make_task_dead+0x2f/0x30 # [ 44.857943] rewind<4>[ 55.884303] RBP: ffffffffa3b827c8 R08: 0000000000000000 R09: 0000000000000000 _stack_and_make_dead+0x17/0x20 # [ 44.863486] RIP: 0033:0x7fd<4>[ 55.898784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 5a4785473 # [ 44.867765] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 <4>[ 55.913265] R13: ffffb9fe42f47f10 R14: ffffb9fe42f47f10 R15: ffffa020c3839000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8<4>[ 55.927748] FS: 00007f59b0363580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f <4>[ 55.943296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.889043] RSP: 002b:<4>[ 55.956223] CR2: 00007f59b016d000 CR3: 00000001059e8003 CR4: 00000000003706e0 00007ffe583fffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # <4>[ 55.970703] Call Trace: [ 44.897790] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: <4>[ 55.979943] ? __warn+0x80/0x110 <4>[ 55.990051] ? refcount_warn_saturate+0x97/0x110 00007fd5a4785473 # [ 44.906052] RDX: 0000000000000014 RSI: 00<4>[ 55.995501] ? report_bug+0x9e/0xc0 007fd5a4679000 RDI: 0000000000000001 # [ 44.914315] RBP: 0000<4>[ 56.005898] ? handle_bug+0x41/0x90 <4>[ 56.016298] ? exc_invalid_op+0x14/0x70 7fd5a4679000 R08: 00007fd5a4678010 R09: 0000000000000000 # [ <4>[ 56.020873] ? asm_exc_invalid_op+0x12/0x20 44.922577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000<4>[ 56.032052] ? refcount_warn_saturate+0x97/0x110 000000000001 # [ 44.930840] R13: 0000000000000001 R14: 000000<4>[ 56.043712] ? refcount_warn_saturate+0x97/0x110 0000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'ca<4>[ 56.055377] __refcount_add_not_zero.constprop.0+0x2a/0x35 ll trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh <4>[ 56.068011] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 45.128279] lk<4>[ 56.080840] direct_entry.cold+0x2c/0x38 dtm: Performing direct entry WRITE_KERN # [ 45.137841] lkdtm:<4>[ 56.091729] full_proxy_write+0x53/0x80 attempting bad 7222266 byte write at ffffffffa2c5f5da # [ 45<4>[ 56.102519] vfs_write+0xe7/0x3b0 .145679] BUG: unable to handle page fault for address: ffffffffa<4>[ 56.112725] ksys_write+0x68/0xf0 2c5f5da # [ 45.153658] #PF: supervisor write access in kernel<4>[ 56.122934] do_syscall_64+0x30/0x40 mode # [ 45.166000] #PF: error_code(0x0003) - permissions vi<4>[ 56.133433] entry_SYSCALL_64_after_hwframe+0x62/0xc7 olation # [ 45.172513] PGD 140e29067 P4D 140e29067 PUD 140e2a<4>[ 56.145583] RIP: 0033:0x7f59b0279473 063 PMD 13fc000e1 # [ 45.179906] Oops: 0003 [#16] SMP PTI #<4>[ 56.156080] 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 [ 45.184186] CPU: 3 PID: 1972 Comm: cat Tainted: G D W <4>[ 56.183572] RSP: 002b:00007ffe61384e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.198538] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59b0279473 5.10.205-cip41 #1 # [ 45.193130] Hardware name: Google<4>[ 56.206802] RDX: 0000000000000020 RSI: 00007f59b016d000 RDI: 0000000000000001 <4>[ 56.221277] RBP: 00007f59b016d000 R08: 00007f59b016c010 R09: 0000000000000000 Rammus/Rammus, BIOS 09/04/2020 # [ 45.200221] RIP: 0010:lkd<4>[ 56.229542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.244020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.252290] irq event stamp: 0 <4>[ 56.256020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.263315] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.272745] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.282174] softirqs last disabled at (0): [<0000000000000000>] 0x0 tm_WRITE_KERN+0x38/0x4e # [ 45.205666] Code: 53 48 c7 c3 da f<4>[ 56.289461] ---[ end trace fc66307ea2d466a0 ]--- <6>[ 56.301127] lkdtm: Saturation detected: still saturated 5 c5 a2 49 89 dc 48 89 da 49 81 ec e0 c1 57 a2 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 c1 57 a2 a4 48 c7 c7 e0 38 b8 a3 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 45.226944] RSP: 0018:ffffb9fe42797e50 EFLAGS: 00010246 # [ 45.233071] RAX: 000000000000003c RBX: ffffffffa2c5f5da RCX: 00000000006e33fa # [ 45.241332] RDX: 0000000000000000 RSI: ffffffffa257c1e0 RDI: ffffffffa2c5f5da # [ 45.249613] RBP: ffffffffa3b82aea R08: 0000000000000000 R09: 0000000000000000 # [ 45.257876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e33fa # [ 45.266138] R13: ffffb9fe42797f10 R14: ffffb9fe42797f10 R15: ffffa020c385e000 # [ 45.274401] FS: 00007efc95884580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 45.283732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.290439] CR2: ffffffffa2c5f5da CR3: 0000000103108006 CR4: 00000000003706e0 # [ 45.298702] Call Trace: # [ 45.301723] ? __die_body.cold+0x1a/0x1f # [ 45.306394] ? no_context+0x177/0x380 # [ 45.310773] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.316511] ? exc_page_fault+0xd7/0x170 # [ 45.321180] ? asm_exc_page_fault+0x1e/0x30 # [ 45.326140] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.331881] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 45.337034] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.342771] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 45.347539] direct_entry.cold+0x2c/0x38 # [ 45.352235] full_proxy_write+0x53/0x80 # [ 45.356807] vfs_write+0xe7/0x3b0 # [ 45.360798] ksys_write+0x68/0xf0 # [ 45.364788] do_syscal<6>[ 56.461523] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 56.470603] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 56.478391] ------------[ cut here ]------------ <4>[ 56.483848] refcount_t: saturated; leaking memory. <4>[ 56.489517] WARNING: CPU: 3 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 l_64+0x30/0x40 # [ 45.369068] entry_SYSCALL_64_after_hwframe<4>[ 56.499242] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 56.558213] CPU: 3 PID: 2488 Comm: cat Tainted: G D W 5.10.205-cip41 #1 +0x62/0xc7 # [ 45.375000] RIP: 0033:0x7efc9579a473 # [ 45.<4>[ 56.567182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.580500] RIP: 0010:refcount_warn_saturate+0x97/0x110 379282] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[ 56.586662] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad <4>[ 56.614160] RSP: 0018:ffffb9fe42fd7e38 EFLAGS: 00010282 <4>[ 56.620311] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 56.628578] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 <4>[ 56.636848] RBP: ffffffffa3b827e8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.645112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.653378] R13: ffffb9fe42fd7f10 R14: ffffb9fe42fd7f10 R15: ffffa020c3e2e000 <4>[ 56.661642] FS: 00007fb9ca7c6580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 56.670975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.677687] CR2: 00007fb9ca5d0000 CR3: 0000000105338006 CR4: 00000000003706e0 <4>[ 56.685953] Call Trace: <4>[ 56.688978] ? __warn+0x80/0x110 <4>[ 56.692908] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.698389] ? report_bug+0x9e/0xc0 <4>[ 56.702582] ? handle_bug+0x41/0x90 <4>[ 56.706774] ? exc_invalid_op+0x14/0x70 <4>[ 56.711351] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.716320] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.721802] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.727252] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.733674] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 56.740288] direct_entry.cold+0x2c/0x38 <4>[ 56.744964] full_proxy_write+0x53/0x80 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[ 56.749575] vfs_write+0xe7/0x3b0 <4>[ 56.759786] ksys_write+0x68/0xf0 <4>[ 56.763810] do_syscall_64+0x30/0x40 <4>[ 56.768096] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.774031] RIP: 0033:0x7fb9ca6dc473 <4>[ 56.778316] 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>[ 56.799594] RSP: 002b:00007ffd804e9bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.808391] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb9ca6dc473 <4>[ 56.816659] RDX: 0000000000000020 RSI: 00007fb9ca5d0000 RDI: 0000000000000001 <4>[ 56.824923] RBP: 00007fb9ca5d0000 R08: 00007fb9ca5cf010 R09: 0000000000000000 <4>[ 56.833188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<4>[ 56.841453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48 89 54 24 18 # [ 45.400566] RSP: 002b:00007ffe855486d8 EFL<4>[ 56.855941] irq event stamp: 0 <4>[ 56.865853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.873148] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.882580] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.892010] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.899305] ---[ end trace fc66307ea2d466a1 ]--- <6>[ 56.904775] lkdtm: Saturation detected: still saturated AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.409314] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efc9579a473 # [ 45.417576] RDX: 000000000000000b RSI: 00007efc9568e000 RDI: 0000000000000001 # [ 45.425837] RBP: 00007efc9568e000 R08: 00007efc9568d010 R09: 0000000000000000 # [ 45.434099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.442360] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.450627] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.509630] CR2: ffffffffa2c5f5da # [ 45.513615] ---[ end trace fc66307ea2d46692 ]--- # [ 45.519061] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.523729] Code: 89 ff e8 2e d5 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 e0 7e 0b 03 # [ 45.545003] RSP: 0018:ffffb9fe4137fe60 EFLAGS: 00010282 # [ 45.551129] RAX: ffffffffa257be10 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.559392] RDX: 0000000000000000 RSI: ffffa0213ad9bf50 RDI: ffffffffa36f84b0 # [ 45.567654] RBP: ffffffffa3be8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 45.575916] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.584179] R13: ffffb9fe<6>[ 57.079504] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 4137ff10 R14: ffffb9fe4137ff10 R15: ffffa020c3818000 # [ 45.5<6>[ 57.093025] lkdtm: attempting bad refcount_dec_and_test() from saturated 92441] FS: 00007efc95884580(0000) GS:ffffa0213ad80000(0000) knl<4>[ 57.107024] ------------[ cut here ]------------ GS:0000000000000000 # [ 45.601773] CS: 0010 DS: 0000 ES: 000<4>[ 57.118690] refcount_t: underflow; use-after-free. 0 CR0: 0000000080050033 # [ 45.608481] CR2: ffffffffa2c5f5da <4>[ 57.130563] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 CR3: 0000000103108006 CR4: 00000000003706e0 # WRITE_KERN: saw '<4>[ 57.146488] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selft<4>[ 57.205484] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.205-cip41 #1 ests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 45.762206] lkdtm: P<4>[ 57.220629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 erforming direct entry REFCOUNT_INC_OVERFLOW # [ 45.772970] l<4>[ 57.233944] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.246289] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 kdtm: attempting good refcount_inc() without overflow # [ 45.<4>[ 57.267573] RSP: 0018:ffffb9fe4306fe40 EFLAGS: 00010286 <4>[ 57.279911] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 786359] lkdtm: attempting bad refcount_inc() overflow # [ 45.<4>[ 57.288178] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 <4>[ 57.302654] RBP: ffffffffa3b82808 R08: 0000000000000000 R09: 0000000000000000 798885] ------------[ cut here ]------------ # [ 45.810572] r<4>[ 57.310920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.325397] R13: ffffb9fe4306ff10 R14: ffffb9fe4306ff10 R15: ffffa020c398f000 efcount_t: saturated; leaking memory. # [ 45.822464] WARNING:<4>[ 57.333662] FS: 00007ff75658d580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 <4>[ 57.349203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CPU: 1 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x<4>[ 57.355915] CR2: 00007ff756397000 CR3: 0000000106518005 CR4: 00000000003706e0 <4>[ 57.370393] Call Trace: 51/0x110 # [ 45.838397] Modules linked in: fuse ip_tables cro<4>[ 57.373420] ? __warn+0x80/0x110 <4>[ 57.383521] ? refcount_warn_saturate+0xba/0x110 s_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio<4>[ 57.388973] ? report_bug+0x9e/0xc0 _triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo<4>[ 57.399373] ? handle_bug+0x41/0x90 videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_<4>[ 57.409776] ? exc_invalid_op+0x14/0x70 logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_s<4>[ 57.420575] ? asm_exc_invalid_op+0x12/0x20 ensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4<4>[ 57.431756] ? refcount_warn_saturate+0xba/0x110 l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine video<4>[ 57.443444] __refcount_sub_and_test.constprop.0+0x3c/0x50 buf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore<4>[ 57.456082] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 57.468913] direct_entry.cold+0x2c/0x38 cros_kbd_led_backlight coreboot_table # [ 45.897400] CPU: 1 <4>[ 57.473590] full_proxy_write+0x53/0x80 PID: 2008 Comm: cat Tainted: G D W 5.10.205-cip41 #<4>[ 57.484374] vfs_write+0xe7/0x3b0 1 # [ 45.912589] Hardware name: Google Rammus/Rammus, BIOS 0<4>[ 57.494581] ksys_write+0x68/0xf0 9/04/2020 # [ 45.925906] RIP: 0010:refcount_warn_saturate+0x5<4>[ 57.504788] do_syscall_64+0x30/0x40 <4>[ 57.515286] entry_SYSCALL_64_after_hwframe+0x62/0xc7 1/0x110 # [ 45.932061] Code: 84 bc 00 00 00 c3 cc cc cc cc 85<4>[ 57.521248] RIP: 0033:0x7ff7564a3473 <4>[ 57.531739] 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 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 <4>[ 57.553017] RSP: 002b:00007ffd2b6f6818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.567976] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff7564a3473 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa<4>[ 57.576244] RDX: 0000000000000020 RSI: 00007ff756397000 RDI: 0000000000000001 <4>[ 57.590721] RBP: 00007ff756397000 R08: 00007ff756396010 R09: 0000000000000000 16 02 00 75 cb 48 c7 c7 10 d7 ad # [ 45.959572] RSP: 0018:ff<4>[ 57.598990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.613464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffb9fe4281fe48 EFLAGS: 00010286 # [ 45.971917] RAX: 000000000<4>[ 57.621734] irq event stamp: 0 <4>[ 57.631640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 45.98<4>[ 57.638938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.654579] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0187] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213<4>[ 57.664012] softirqs last disabled at (0): [<0000000000000000>] 0x0 ac9bf50 # [ 45.994662] RBP: ffffffffa3b82af5 R08: 00000000000<4>[ 57.677518] ---[ end trace fc66307ea2d466a2 ]--- 00000 R09: 0000000000000000 # [ 46.002930] R10: 00000000ffffe<6>[ 57.689185] lkdtm: Saturation detected: still saturated 000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.017406] R13: ffffb9fe4281ff10 R14: ffffb9fe4281ff10 R15: ffffa020c3fb9000 # [ 46.025676] FS: 00007fdcc6a8f580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 46.041219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.047932] CR2: 00007fdcc6899000 CR3: 0000000103926003 CR4: 00000000003706e0 # [ 46.062409] Call Trace: # [ 46.071652] ? __warn+0x80/0x110 # [ 46.081760] ? refcount_warn_saturate+0x51/0x110 # [ 46.093427] ? report_bug+0x9e/0xc0 # [ 46.103829] ? handle_bug+0x41/0x90 # [ 46.114236] ? exc_invalid_op+0x14/0x70 # [ 46.125024] ? asm_exc_invalid_op+0x12/0x20 # [ 46.136202] ? refcount_warn_saturate+0x51/0x110 # [ 46.147865] ? refcount_warn_saturate+0x51/0x110 # [ 46.159530] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 46.171390] direct_entry.cold+0x2c/0x38 # [ 46.182279] full_proxy_write+0x53/0x80 # [ 46.193069] vfs_write+0xe7/0x3b0 # [ 46.203277] ksys_write+0x68/0xf0 # [ 46.213485] do_syscall_64+0x30/0x40 # [ 46.223983] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.236131] RIP: 0033:0x7fdcc69a5473 # [ 46.246630] 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 # [ 46.274128] RSP: 002b:00007fff90331b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.289095] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdcc69a5473 # [ 46.303577] RDX: 0000000000000016 <6>[ 57.856660] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 57.865142] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 57.872954] ------------[ cut here ]------------ <4>[ 57.878420] refcount_t: underflow; use-after-free. <4>[ 57.884112] WARNING: CPU: 3 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 RSI: 00007fdcc6899000 RDI: 0000000000000001 # [ 46.318055] RB<4>[ 57.893844] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 57.952847] CPU: 3 PID: 2560 Comm: cat Tainted: G D W 5.10.205-cip41 #1 P: 00007fdcc6899000 R08: 00007fdcc6898010 R09: 0000000000000000 <4>[ 57.961815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.332539] R10: fffffffffffffbc5 R11: 0000000000000246 R1<4>[ 57.975131] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.987475] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 58.008758] RSP: 0018:ffffb9fe430efe40 EFLAGS: 00010286 <4>[ 58.014887] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 58.023157] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 2: 0000000000000001 # [ 46.347023] R13: 0000000000000001 R14:<4>[ 58.031447] RBP: ffffffffa3b82828 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.045920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.054185] R13: ffffb9fe430eff10 R14: ffffb9fe430eff10 R15: ffffa020c5286000 <4>[ 58.062449] FS: 00007f59d6497580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 <4>[ 58.071784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.078493] CR2: 00007f59d62a1000 CR3: 0000000105338002 CR4: 00000000003706e0 <4>[ 58.086758] Call Trace: <4>[ 58.089783] ? __warn+0x80/0x110 <4>[ 58.093682] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.099132] ? report_bug+0x9e/0xc0 <4>[ 58.103321] ? handle_bug+0x41/0x90 <4>[ 58.107530] ? exc_invalid_op+0x14/0x70 <4>[ 58.112105] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.117073] ? refcount_warn_saturate+0xba/0x110 0000000000020000 R15: 0000000000020000 # [ 46.361511] irq ev<4>[ 58.122572] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.135209] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 58.141823] direct_entry.cold+0x2c/0x38 <4>[ 58.146496] full_proxy_write+0x53/0x80 <4>[ 58.151095] vfs_write+0xe7/0x3b0 <4>[ 58.155111] ksys_write+0x68/0xf0 <4>[ 58.159103] do_syscall_64+0x30/0x40 <4>[ 58.163387] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.169322] RIP: 0033:0x7f59d63ad473 <4>[ 58.173624] 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>[ 58.194904] RSP: 002b:00007ffc215bafa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.203653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59d63ad473 <4>[ 58.211916] RDX: 0000000000000020 RSI: 00007f59d62a1000 RDI: 0000000000000001 <4>[ 58.220178] RBP: 00007f59d62a1000 R08: 00007f59d62a0010 R09: 0000000000000000 <4>[ 58.228441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ent stamp: 0 # [ 46.371427] hardirqs last enabled at (0): [<<4>[ 58.236698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000>] 0x0 # [ 46.378724] hardirqs last disabled <4>[ 58.251182] irq event stamp: 0 <4>[ 58.261096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.268389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.277817] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.287247] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.294555] ---[ end trace fc66307ea2d466a3 ]--- <6>[ 58.300011] lkdtm: Saturation detected: still saturated at (0): [] copy_process+0x65c/0x20e0 # [ 46.394365] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.403800] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.417306] ---[ end trace fc66307ea2d46693 ]--- # [ 46.422758] 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 # [ 46.541355] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 46.553230] lkdtm: attempting good refcount_add() without overflow # [ 46.566674] lkdtm: attempting bad refcount_add() overflow # [ 46.579209] ------------[ cut here ]------------ # [ 46.590839] refcount_t: saturated; leaking memory. # [ 46.602749] WARNING: CPU: 0 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.618700] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.677649] CPU: 0 PID: 2041 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 46.692853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.706154] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.718586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad # [ 46.746007] RSP: 0018:ffffb9fe428cfe48 EFLAGS: 00010286 # [ 46.758347] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 46.772818] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 # [ 46.787332] RBP: ffffffffa3b82b0b R08: 0000000000000000 R09: 0000000000000000 # [ 46.801794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.816298] R13: f<6>[ 58.525381] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO fffb9fe428cff10 R14: ffffb9fe428cff10 R15: ffffa020c3ab2000 # [<6>[ 58.536993] lkdtm: attempting good copy_to_user of correct size 46.830769] FS: 00007f0a27339580(0000) GS:ffffa0213ac00000(00<6>[ 58.550139] lkdtm: attempting bad copy_to_user of too large size 00) knlGS:0000000000000000 # [ 46.846353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.859261] CR2: 00007f0a27143000 CR3: 00000001035de003 CR4: 00000000003706f0 # [ 46.873758] Call Trace: # [ 46.883001] ? __warn+0x80/0x110 # [ 46.893114] ? refcount_warn_saturate+0x51/0x110 # [ 46.904772] ? report_bug+0x9e/0xc0 # [ 46.915191] ? handle_bug+0x41/0x90 # [ 46.925583] ? exc_invalid_op+0x14/0x70 # [ 46.936395] ? asm_exc_invalid_op+0x12/0x20 # [ 46.947564] ? refcount_warn_saturate+0x51/0x110 # [ 46.959239] ? refcount_warn_saturate+0x51/0x110 # [ 46.970887] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 46.982746] direct_entry.cold+0x2c/0x38 # [ 46.993641] full_proxy_write+0x53/0x80 # [ 47.004455] vfs_write+0xe7/0x3b0 # [ 47.014679] ksys_write+0x68/0xf0 # [ 47.024889] do_syscall_64+0x30/0x40 # [ 47.035394] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.047568] RIP: 0033:0x7f0a2724f473 # [ 47.058032] 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 # [ 47.085575] RSP: 002b:00007ffff68105a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.100564] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0a2724f473 # [ 47.115043] RDX: 0000000000000016 RSI: 00007f0a27143000 RDI: 0000000000000001 # [ 47.129493] RBP: 00007f0a27143000 R08: 00007f0a27142010 R09: 0000000000000000 # [ 47.143976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.158498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.173007] irq event stam<6>[ 58.729842] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM p: 0 # [ 47.182925] hardirqs last enabled at (0): [<00000000<6>[ 58.738375] lkdtm: attempting good copy_from_user of correct size 00000000>] 0x0 # [ 47.196401] hardirqs last disabled at (0): <6>[ 58.751700] lkdtm: attempting bad copy_from_user of too large size [] copy_process+0x65c/0x20e0 # [ 47.212089] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.227724] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.241274] ---[ end trace fc66307ea2d46694 ]--- # [ 47.252950] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 47.396152] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 47.409163] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 47.422571] ------------[ cut here ]------------ # [ 47.434230] refcount_t: saturated; leaking memory. # [ 47.446122] WARNING: CPU: 1 PID: 2074 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.462028] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.521002] CPU: 1 PID: 2074 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 47.536163] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.543265] RIP: 0010:refcount_warn_saturate+0<6>[ 58.917807] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 58.928284] lkdtm: attempting good copy_to_user inside whitelist x97/0x110 # [ 47.555613] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 <6>[ 58.935298] lkdtm: attempting bad copy_to_user outside whitelist cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad # [ 47.576896] RSP: 0018:ffffb9fe42957e38 EFLAGS: 00010282 # [ 47.589237] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.597504] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 47.611982] RBP: ffffffffa3b82748 R08: 0000000000000000 R09: 0000000000000000 # [ 47.620250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.634728] R13: ffffb9fe42957f10 R14: ffffb9fe42957f10 R15: ffffa020c3afc000 # [ 47.642996] FS: 00007f59e3856580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 47.652332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.665254] CR2: 00007f59e3660000 CR3: 0000000103e76003 CR4: 00000000003706e0 # [ 47.673521] Call Trace: # [ 47.682758] ? __warn+0x80/0x110 # [ 47.692868] ? refcount_warn_saturate+0x97/0x110 # [ 47.698319] ? report_bug+0x9e/0xc0 # [ 47.708716] ? handle_bug+0x41/0x90 # [ 47.719119] ? exc_invalid_op+0x14/0x70 # [ 47.723696] ? asm_exc_invalid_op+0x12/0x20 # [ 47.734875] ? refcount_warn_saturate+0x97/0x110 # [ 47.746557] ? refcount_warn_saturate+0x97/0x110 # [ 47.758203] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.770842] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.783584] direct_entry.cold+0x2c/0x38 # [ 47.794479] full_proxy_write+0x53/0x80 # [ 47.805269] vfs_write+0xe7/0x3b0 # [ 47.815474] ksys_write+0x68/0xf0 # [ 47.825682] do_syscall_64+0x30/0x40 # [ 47.836179] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.848330] RIP: 0033:0x7f59e376c473 # [ 47.858830] 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 # [ 47.886323] RSP: 002b:00007ffe57b10608 EFLAGS: 00000246 ORIG_RAX: 0<6>[ 59.143846] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 59.155454] lkdtm: attempting good copy_from_user inside whitelist 000000000000001 # [ 47.901287] RAX: ffffffffffffffda RBX: 000<6>[ 59.162663] lkdtm: attempting bad copy_from_user outside whitelist 000000000001f RCX: 00007f59e376c473 # [ 47.915769] RDX: 000000000000001f RSI: 00007f59e3660000 RDI: 0000000000000001 # [ 47.930251] RBP: 00007f59e3660000 R08: 00007f59e365f010 R09: 0000000000000000 # [ 47.944733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.959214] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.973701] irq event stamp: 0 # [ 47.983623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.997134] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.012781] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.028429] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.041940] ---[ end trace fc66307ea2d46695 ]--- # [ 48.053603] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 48.207919] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.216152] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.229604] ------------[ cut here ]------------ # [ 48.241242] refcount_t: saturated; leaking memory. # [ 48.253132] WARNING: CPU: 1 PID: 2107 at lib<6>[ 59.302435] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 59.313967] lkdtm: good_stack: ffffb9fe43497e20-ffffb9fe43497e40 <6>[ 59.320977] lkdtm: bad_stack : ffffb9fe43497da8-ffffb9fe43497dc8 <6>[ 59.327988] lkdtm: attempting good copy_to_user of local stack <6>[ 59.334807] lkdtm: attempting bad copy_to_user of distant stack /refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.269044] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.328018] CPU: 1 PID: 2107 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 48.343183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.356502] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.368848] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad # [ 48.390155] RSP: 0018:ffffb9fe429cfe38 EFLAGS: 00010282 # [ 48.402476] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.416957] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 48.425224] RBP: ffffffffa3b82768 R08: 0000000000000000 R09: 0000000000000000 # [ 48.439701] R10: 00000000ffffe000 R11: 3ffffffffffffff<6>[ 59.472668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 59.485949] lkdtm: good_stack: ffffb9fe43547e20-ffffb9fe43547e40 <6>[ 59.492956] lkdtm: bad_stack : ffffb9fe43547da8-ffffb9fe43547dc8 <6>[ 59.500017] lkdtm: attempting good copy_from_user of local stack f R12: 000000000000001f # [ 48.447969] R13: ffffb9fe429cff10 <6>[ 59.507029] lkdtm: attempting bad copy_from_user of distant stack R14: ffffb9fe429cff10 R15: ffffa020c3565000 # [ 48.462446] FS: 00007f4441b1c580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 48.471781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.484704] CR2: 00007f4441926000 CR3: 0000000103ffe004 CR4: 00000000003706e0 # [ 48.492971] Call Trace: # [ 48.495997] ? __warn+0x80/0x110 # [ 48.506106] ? refcount_warn_saturate+0x97/0x110 # [ 48.511578] ? report_bug+0x9e/0xc0 # [ 48.521976] ? handle_bug+0x41/0x90 # [ 48.532379] ? exc_invalid_op+0x14/0x70 # [ 48.536980] ? asm_exc_invalid_op+0x12/0x20 # [ 48.548155] ? refcount_warn_saturate+0x97/0x110 # [ 48.559820] ? refcount_warn_saturate+0x97/0x110 # [ 48.565271] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.577902] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.584443] direct_entry.cold+0x2c/0x38 # [ 48.595330] full_proxy_write+0x53/0x80 # [ 48.606125] vfs_write+0xe7/0x3b0 # [ 48.616331] ksys_write+0x68/0xf0 # [ 48.626561] do_syscall_64+0x30/0x40 # [ 48.637064] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.643024] RIP: 0033:0x7f4441a32473 # [ 48.653519] 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 0<6>[ 59.648636] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 59.657912] lkdtm: good_stack: ffffb9fe435d7e20-ffffb9fe435d7e40 <6>[ 59.664948] lkdtm: bad_stack : ffffb9fe435d7ff8-ffffb9fe435d8018 0 48 83 ec 28 48 89 54 24 18 # [ 48.674803] RSP: 002b:00007ff<6>[ 59.671960] lkdtm: attempting good copy_to_user of local stack <6>[ 59.684998] lkdtm: attempting bad copy_to_user of distant stack f308913b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.<4>[ 59.691916] lkdtm: copy_to_user failed, but lacked Oops 689765] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4441a32473 # [ 48.698032] RDX: 000000000000001f RSI: 00007f4441926000 RDI: 0000000000000001 # [ 48.712507] RBP: 00007f4441926000 R08: 00007f4441925010 R09: 0000000000000000 # [ 48.720772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.729040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.743522] irq event stamp: 0 # [ 48.753437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.760734] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.776374] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.785806] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.799312] ---[ end trace fc66307ea2d46696 ]--- # [ 48.804763] 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 # [ 48.974409] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 48.984688] lkdtm: attempting good refcount_dec() # [ 48.996470] lkdtm: attempting bad refcount_dec() to zero # [ 49.008911] ------------[ cut here ]------------ # [ 49.020605] refcount_t: decrement hit 0; le<6>[ 59.833663] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 59.841620] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa36f8950 <6>[ 59.850611] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa1ce2c40 <3>[ 59.859298] lkdtm: FAIL: survived bad copy_to_user() aking memory. # [ 49.033030] WARNING: CPU: 0 PID: 2140 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.049010] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.107967] CPU: 0 PID: 2140 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 49.123119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.136440] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.148767] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.176284] RSP: 0018:ffffb9fe42a57e48 EFLAGS: 00010286 # [ 49.188621] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 49.203112] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 # [ 49.217636<6>[ 59.993562] lkdtm: Performing direct entry STACKLEAK_ERASING ] RBP: ffffffffa3b82b21 R08: 0000000000000000 R09: 0000000000000<6>[ 60.002317] lkdtm: checking unused part of the thread stack (15928 bytes)... 000 # [ 49.232104] R10: 00000000ffffe000 R11: 3ffffffffffffff<3>[ 60.016730] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 60.030992] lkdtm: FAIL: the thread stack is NOT properly erased f R12: 0000000000000012 # [ 49.246598] R13: ffffb9fe42a57f10 <4>[ 60.037998] CPU: 1 PID: 2936 Comm: cat Tainted: G D W 5.10.205-cip41 #1 <4>[ 60.053146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.060232] Call Trace: R14: ffffb9fe42a57f10 R15: ffffa020c2991000 # [ 49.261072] FS<4>[ 60.063255] dump_stack+0x77/0x9b <4>[ 60.073461] lkdtm_STACKLEAK_ERASING+0x116/0x144 : 00007f0f0520e580(0000) GS:ffffa0213ac00000(0000) knlGS:000000<4>[ 60.078908] direct_entry.cold+0x2c/0x38 <4>[ 60.089790] full_proxy_write+0x53/0x80 0000000000 # [ 49.276651] CS: 0010 DS: 0000 ES: 0000 CR0: 00<4>[ 60.094365] vfs_write+0xe7/0x3b0 <4>[ 60.104570] ksys_write+0x68/0xf0 <4>[ 60.108569] do_syscall_64+0x30/0x40 00000080050033 # [ 49.289570] CR2: 00007f0f05018000 CR3: 0000<4>[ 60.112851] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.124996] RIP: 0033:0x7f6ad467b473 <4>[ 60.129275] 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>[ 60.150568] RSP: 002b:00007ffdcc2a6bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.159317] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6ad467b473 <4>[ 60.167570] RDX: 0000000000000012 RSI: 00007f6ad456f000 RDI: 0000000000000001 <4>[ 60.175832] RBP: 00007f6ad456f000 R08: 00007f6ad456e010 R09: 0000000000000000 <4>[ 60.184093] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.192354] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000102a72005 CR4: 00000000003706f0 # [ 49.304049] Call Trace: # [ 49.313300] ? __warn+0x80/0x110 # [ 49.323408] ? refcount_warn_saturate+0xfb/0x110 # [ 49.335084] ? report_bug+0x9e/0xc0 # [ 49.345488] ? handle_bug+0x41/0x90 # [ 49.355891] ? exc_invalid_op+0x14/0x70 # [ 49.366668] ? asm_exc_invalid_op+0x12/0x20 # [ 49.377849] ? refcount_warn_saturate+0xfb/0x110 # [ 49.389493] ? refcount_warn_saturate+0xfb/0x110 # [ 49.401144] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.412621] direct_entry.cold+0x2c/0x38 # [ 49.423531] full_proxy_write+0x53/0x80 # [ 49.434336] vfs_write+0xe7/0x3b0 # [ 49.444543] ksys_write+0x68/0xf0 # [ 49.454753] do_syscall_64+0x30/0x40 # [ 49.465245] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.477397] RIP: 0033:0x7f0f05124473 # [ 49.487908] 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 # [ 49.515421] RSP: 002b:00007ffc87ad3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.530385] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0f05124473 # [ 49.544865] RDX: 0000000000000012 RSI: 00007f0f05018000 RDI: 0000000000000001 # [ 49.559318] RBP: 00007f0f05018000 R08: 000<6>[ 60.329625] lkdtm: Performing direct entry CFI_FORWARD_PROTO 07f0f05017010 R09: 0000000000000000 # [ 49.559320] R10: fffff<6>[ 60.337773] lkdtm: Calling matched prototype ... ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 4<6>[ 60.349440] lkdtm: Calling mismatched prototype ... 9.559321] R13: 0000000000000001 R14: 0000000000020000 R15: 00000<6>[ 60.361390] lkdtm: Fail: survived mismatched prototype function call! 00000020000 # [ 49.559328] irq event stamp: 0 # [ 49.606445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.619966] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.635613] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.651249] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.664763] ---[ end trace fc66307ea2d46697 ]--- # [ 49.676405] 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 # [ 49.885428] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 49.893659] lkdtm: attempting bad refcount_dec() below zero # [ 49.906400] ------------[ cut here ]------------ # [ 49.918057] refcount_t: decrement hit 0; leaking memory. # [ 49.924317] WARNING: CPU: 1 PID: 2176 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.940219] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.999193] CPU: 1 PID: 2176 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 50.014353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.027669] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.040011] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.067512] RSP: 0018:ffffb9fe42acfe48 EFLAGS: 00010286 # [ 50.079861] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 50.094343] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 50.102618] RBP: ffffffffa3b82b33 R08: 0000000000000000 R09: 0000000000000000 # [ 50.117094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.125362] R13: ffffb9fe42acff10 R14: ffffb9fe42acff10 R15: ffffa020c3495000 # [ 50.139839] FS: 00007ff1178b5580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 50.155390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.168318] CR2: 00007ff1176bf000 CR3: 00000001063bc004 CR4: 00000000003706e0 # [ 50.176585] Call Trace: # [ 50.185826] ? __warn+0x80/0x110 # [ 50.195937] ? refcount_warn_saturate+0xfb/0x110 # [ 50.207621] ? report_bug+0x9e/0xc0 # [ 50.218026] ? handle_bug+0x41/0x90 # [ 50.228424] ? exc_invalid_op+0x14/0x70 # [ 50.233000] ? asm_exc_invalid_op+0x12/0x20 # [ 50.244204] ? refcount_warn_saturate+0xfb/0x110 # [ 50.255843] ? refcount_warn_saturate+0xfb/0x110 # [ 50.267505] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 50.273150] direct_entry.cold+0x2c/0x38 # [ 50.284030] full_proxy_write+0x53/0x80 # [ 50.294822] vfs_write+0xe7/0x3b0 # [ 50.305031] ksys_write+0x68/0xf0 # [ 50.315243] do_syscall_64+0x30/0x40 # [ 50.325743] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.337893] RIP: 0033:0x7ff1177cb473 # [ 50.342179] 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 # [ 50.369668] RSP: 002b:00007ffe6f050128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.378423] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff1177cb473 # [ 50.392900] RDX: 0000000000000016 RSI: 00007ff1176bf000 RDI: 0000000000000001 # [ 50.401167] RBP: 00007ff1176bf000 R08: 00007ff1176be010 R09: 0000000000000000 # [ 50.415645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.423913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.435773] irq event stamp: 0 # [ 50.445688] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.459200] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.468634] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.484277] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.493905] ---[ end trace fc66307ea2d46698 ]--- # [ 50.499355] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 50.648262] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 50.661974] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 50.669406] ------------[ cut here ]------------ # [ 50.674874] refcount_t: underflow; use-after-free. # [ 50.680555] WARNING: CPU: 3 PID: 2212 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.690286] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 50.743074] CPU: 3 PID: 2212 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 50.758226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.765327] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.771459] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 50.792770] RSP: 0018:ffffb9fe42b57e40 EFLAGS: 00010286 # [ 50.798901] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.813388] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 50.827868] RBP: ffffffffa3b82788 R08: 0000000000000000 R09: 0000000000000000 # [ 50.836133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.844399] R13: ffffb9fe42b57f10 R14: ffffb9fe42b57f10 R15: ffffa020c4015000 # [ 50.852688] FS: 00007f38208c2580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 50.862033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.874952] CR2: 00007f38206cc000 CR3: 0000000102798001 CR4: 00000000003706e0 # [ 50.883217] Call Trace: # [ 50.886242] ? __warn+0x80/0x110 # [ 50.890162] ? refcount_warn_saturate+0xba/0x110 # [ 50.901822] ? report_bug+0x9e/0xc0 # [ 50.906012] ? handle_bug+0x41/0x90 # [ 50.910221] ? exc_invalid_op+0x14/0x70 # [ 50.914797] ? asm_exc_invalid_op+0x12/0x20 # [ 50.919764] ? refcount_warn_saturate+0xba/0x110 # [ 50.925244] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.931664] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 50.938180] direct_entry.cold+0x2c/0x38 # [ 50.942853] full_proxy_write+0x53/0x80 # [ 50.947454] vfs_write+0xe7/0x3b0 # [ 50.951446] ksys_write+0x68/0xf0 # [ 50.955438] do_syscall_64+0x30/0x40 # [ 50.959720] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.965654] RIP: 0033:0x7f38207d8473 # [ 50.969938] 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 # [ 50.991220] RSP: 002b:00007ffd82cb9088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.999972] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f38207d8473 # [ 51.008236] RDX: 000000000000001f RSI: 00007f38206cc000 RDI: 0000000000000001 # [ 51.016501] RBP: 00007f38206cc000 R08: 00007f38206cb010 R09: 0000000000000000 # [ 51.024766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.033032] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.041302] irq event stamp: 0 # [ 51.045031] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.052326] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.061757] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.071186] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.078482] ---[ end trace fc66307ea2d46699 ]--- # [ 51.090149] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 51.223973] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 51.233929] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 51.247543] ------------[ cut here ]------------ # [ 51.259195] refcount_t: underflow; use-after-free. # [ 51.271066] WARNING: CPU: 0 PID: 2248 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.286961] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.345981] CPU: 0 PID: 2248 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 51.361153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.374466] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.386848] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.414331] RSP: 0018:ffffb9fe42bafe40 EFLAGS: 00010286 # [ 51.426706] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 51.441163] RDX: ffffa0213ac2c620 RSI: ffffa0213ac1bf50 RDI: ffffa0213ac1bf50 # [ 51.455678] RBP: ffffffffa3b827a8 R08: 0000000000000000 R09: 0000000000000000 # [ 51.470160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.484654] R13: ffffb9fe42baff10 R14: ffffb9fe42baff10 R15: ffffa020c38e3000 # [ 51.499138] FS: 00007f928ee54580(0000) GS:ffffa0213ac00000(0000) knlGS:0000000000000000 # [ 51.514679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.527633] CR2: 00007f928ec5e000 CR3: 0000000103e52005 CR4: 00000000003706f0 # [ 51.542094] Call Trace: # [ 51.551351] ? __warn+0x80/0x110 # [ 51.561454] ? refcount_warn_saturate+0xba/0x110 # [ 51.573104] ? report_bug+0x9e/0xc0 # [ 51.583504] ? handle_bug+0x41/0x90 # [ 51.593927] ? exc_invalid_op+0x14/0x70 # [ 51.604696] ? asm_exc_invalid_op+0x12/0x20 # [ 51.615949] ? refcount_warn_saturate+0xba/0x110 # [ 51.627642] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.640260] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 51.652917] direct_entry.cold+0x2c/0x38 # [ 51.663883] full_proxy_write+0x53/0x80 # [ 51.674637] vfs_write+0xe7/0x3b0 # [ 51.684860] ksys_write+0x68/0xf0 # [ 51.695041] do_syscall_64+0x30/0x40 # [ 51.705579] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.717697] RIP: 0033:0x7f928ed6a473 # [ 51.728181] 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 # [ 51.755682] RSP: 002b:00007ffd586be748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.770651] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f928ed6a473 # [ 51.785120] RDX: 000000000000001f RSI: 00007f928ec5e000 RDI: 0000000000000001 # [ 51.799620] RBP: 00007f928ec5e000 R08: 00007f928ec5d010 R09: 0000000000000000 # [ 51.814101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.828568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.843098] irq event stamp: 0 # [ 51.853006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.866521] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.882157] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.897843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.911341] ---[ end trace fc66307ea2d4669a ]--- # [ 51.923004] 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 # [ 52.070835] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 52.078063] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 52.091668] lkdtm: Good: zero detected # [ 52.102359] lkdtm: Correctly stayed at zero # [ 52.107324] lkdtm: attempting bad refcount_inc() from zero # [ 52.119957] ------------[ cut here ]------------ # [ 52.131637] refcount_t: addition on 0; use-after-free. # [ 52.143908] WARNING: CPU: 1 PID: 2281 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.159836] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.218764] CPU: 1 PID: 2281 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 52.233918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.247234] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.259577] Code: 02 01 e8 a9 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad a3 c6 05 a5 fa 16 02 01 e8 86 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad # [ 52.287066] RSP: 0018:ffffb9fe42c6fe48 EFLAGS: 00010286 # [ 52.299408] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 52.313886] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 52.328366] RBP: ffffffffa3b82b49 R08: 0000000000000000 R09: 0000000000000000 # [ 52.342842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.357319] R13: ffffb9fe42c6ff10 R14: ffffb9fe42c6ff10 R15: ffffa020c2991000 # [ 52.371800] FS: 00007fb74d73b580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 52.387351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.400279] CR2: 00007fb74d545000 CR3: 0000000103710002 CR4: 00000000003706e0 # [ 52.414757] Call Trace: # [ 52.417800] ? __warn+0x80/0x110 # [ 52.427885] ? refcount_warn_saturate+0x74/0x110 # [ 52.433360] ? report_bug+0x9e/0xc0 # [ 52.443756] ? handle_bug+0x41/0x90 # [ 52.454156] ? exc_invalid_op+0x14/0x70 # [ 52.458734] ? asm_exc_invalid_op+0x12/0x20 # [ 52.469909] ? refcount_warn_saturate+0x74/0x110 # [ 52.481574] ? refcount_warn_saturate+0x74/0x110 # [ 52.493239] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 52.498496] direct_entry.cold+0x2c/0x38 # [ 52.509377] full_proxy_write+0x53/0x80 # [ 52.520193] vfs_write+0xe7/0x3b0 # [ 52.530401] ksys_write+0x68/0xf0 # [ 52.540635] do_syscall_64+0x30/0x40 # [ 52.551133] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.557069] RIP: 0033:0x7fb74d651473 # [ 52.567574] 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 # [ 52.595068] RSP: 002b:00007ffcc5f3da88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.603845] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb74d651473 # [ 52.618319] RDX: 0000000000000012 RSI: 00007fb74d545000 RDI: 0000000000000001 # [ 52.632798] RBP: 00007fb74d545000 R08: 00007fb74d544010 R09: 0000000000000000 # [ 52.641062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.655537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.663831] irq event stamp: 0 # [ 52.673738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.687249] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.702895] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.712327] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.725830] ---[ end trace fc66307ea2d4669b ]--- # [ 52.731279] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 52.874312] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 52.885801] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 52.893222] lkdtm: Good: zero detected # [ 52.903909] lkdtm: Correctly stayed at zero # [ 52.908902] lkdtm: attempting bad refcount_add() from zero # [ 52.915322] ------------[ cut here ]------------ # [ 52.920769] refcount_t: addition on 0; use-after-free. # [ 52.926828] WARNING: CPU: 2 PID: 2314 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.936552] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.995525] CPU: 2 PID: 2314 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 53.004478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.017786] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.023938] Code: 02 01 e8 a9 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad a3 c6 05 a5 fa 16 02 01 e8 86 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad # [ 53.045216] RSP: 0018:ffffb9fe42ce7e48 EFLAGS: 00010286 # [ 53.051346] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 53.059621] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 # [ 53.067886] RBP: ffffffffa3b82b5b R08: 0000000000000000 R09: 0000000000000000 # [ 53.076149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.084412] R13: ffffb9fe42ce7f10 R14: ffffb9fe42ce7f10 R15: ffffa020c3f2c000 # [ 53.092669] FS: 00007fb5df47d580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 53.102002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.108713] CR2: 00007fb5df287000 CR3: 0000000102672006 CR4: 00000000003706e0 # [ 53.116978] Call Trace: # [ 53.120002] ? __warn+0x80/0x110 # [ 53.123927] ? refcount_warn_saturate+0x74/0x110 # [ 53.129375] ? report_bug+0x9e/0xc0 # [ 53.133573] ? handle_bug+0x41/0x90 # [ 53.143973] ? exc_invalid_op+0x14/0x70 # [ 53.148571] ? asm_exc_invalid_op+0x12/0x20 # [ 53.159752] ? refcount_warn_saturate+0x74/0x110 # [ 53.165231] ? refcount_warn_saturate+0x74/0x110 # [ 53.170679] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 53.175934] direct_entry.cold+0x2c/0x38 # [ 53.180622] full_proxy_write+0x53/0x80 # [ 53.185197] vfs_write+0xe7/0x3b0 # [ 53.189211] ksys_write+0x68/0xf0 # [ 53.193204] do_syscall_64+0x30/0x40 # [ 53.197487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.203419] RIP: 0033:0x7fb5df393473 # [ 53.207702] 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 # [ 53.228983] RSP: 002b:00007ffe3ab34168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.237734] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb5df393473 # [ 53.245998] RDX: 0000000000000012 RSI: 00007fb5df287000 RDI: 0000000000000001 # [ 53.254262] RBP: 00007fb5df287000 R08: 00007fb5df286010 R09: 0000000000000000 # [ 53.262528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.270791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.279060] irq event stamp: 0 # [ 53.288976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.296269] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.311913] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.321344] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.328638] ---[ end trace fc66307ea2d4669c ]--- # [ 53.334077] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 53.477063] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 53.489488] lkdtm: attempting bad refcount_inc() from saturated # [ 53.502617] ------------[ cut here ]------------ # [ 53.514278] refcount_t: saturated; leaking memory. # [ 53.519955] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.535857] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 53.594830] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 53.609995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.623309] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.635652] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad # [ 53.663173] RSP: 0018:ffffb9fe42d57e48 EFLAGS: 00010286 # [ 53.675499] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 53.689980] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 53.698247] RBP: ffffffffa3b82b6d R08: 0000000000000000 R09: 0000000000000000 # [ 53.712724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.720991] R13: ffffb9fe42d57f10 R14: ffffb9fe42d57f10 R15: ffffa020c0fcc000 # [ 53.735468] FS: 00007f582d0a8580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 53.744806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.757727] CR2: 00007f582ceb2000 CR3: 0000000103976002 CR4: 00000000003706e0 # [ 53.765995] Call Trace: # [ 53.775232] ? __warn+0x80/0x110 # [ 53.785341] ? refcount_warn_saturate+0x51/0x110 # [ 53.797008] ? report_bug+0x9e/0xc0 # [ 53.807415] ? handle_bug+0x41/0x90 # [ 53.817816] ? exc_invalid_op+0x14/0x70 # [ 53.822391] ? asm_exc_invalid_op+0x12/0x20 # [ 53.833574] ? refcount_warn_saturate+0x51/0x110 # [ 53.845228] ? refcount_warn_saturate+0x51/0x110 # [ 53.850679] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 53.862629] direct_entry.cold+0x2c/0x38 # [ 53.873523] full_proxy_write+0x53/0x80 # [ 53.884318] vfs_write+0xe7/0x3b0 # [ 53.894525] ksys_write+0x68/0xf0 # [ 53.904734] do_syscall_64+0x30/0x40 # [ 53.915229] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.927377] RIP: 0033:0x7f582cfbe473 # [ 53.937874] 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 # [ 53.965366] RSP: 002b:00007ffc6093da18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.965369] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f582cfbe473 # [ 53.965370] RDX: 0000000000000017 RSI: 00007f582ceb2000 RDI: 0000000000000001 # [ 53.965372] RBP: 00007f582ceb2000 R08: 00007f582ceb1010 R09: 0000000000000000 # [ 54.011326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.025800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.040288] irq event stamp: 0 # [ 54.050202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.063713] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.073145] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.088787] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.096079] ---[ end trace fc66307ea2d4669d ]--- # [ 54.106379] 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 # [ 54.246875] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 54.260206] lkdtm: attempting bad refcount_dec() from saturated # [ 54.273329] ------------[ cut here ]------------ # [ 54.284992] refcount_t: decrement hit 0; leaking memory. # [ 54.297464] WARNING: CPU: 1 PID: 2386 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 54.313375] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.372344] CPU: 1 PID: 2386 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 54.387507] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.400825] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 54.413172] Code: 98 d7 ad a3 c6 05 35 fa 16 02 01 e8 19 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ad a3 c6 05 1c fa 16 02 01 e8 ff ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 54.440667] RSP: 0018:ffffb9fe42e17e48 EFLAGS: 00010286 # [ 54.453016] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 54.467497] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 54.481979] RBP: ffffffffa3b82b84 R08: 0000000000000000 R09: 0000000000000000 # [ 54.496462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.510943] R13: ffffb9fe42e17f10 R14: ffffb9fe42e17f10 R15: ffffa020c38c3000 # [ 54.525426] FS: 00007f0c43e8f580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 54.540977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.553906] CR2: 00007f0c43c99000 CR3: 0000000103126004 CR4: 00000000003706e0 # [ 54.568388] Call Trace: # [ 54.571431] ? __warn+0x80/0x110 # [ 54.581518] ? refcount_warn_saturate+0xfb/0x110 # [ 54.587015] ? report_bug+0x9e/0xc0 # [ 54.597413] ? handle_bug+0x41/0x90 # [ 54.607794] ? exc_invalid_op+0x14/0x70 # [ 54.612371] ? asm_exc_invalid_op+0x12/0x20 # [ 54.623565] ? refcount_warn_saturate+0xfb/0x110 # [ 54.635232] ? refcount_warn_saturate+0xfb/0x110 # [ 54.640683] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 54.652632] direct_entry.cold+0x2c/0x38 # [ 54.663521] full_proxy_write+0x53/0x80 # [ 54.674314] vfs_write+0xe7/0x3b0 # [ 54.684523] ksys_write+0x68/0xf0 # [ 54.694733] do_syscall_64+0x30/0x40 # [ 54.705233] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.711170] RIP: 0033:0x7f0c43da5473 # [ 54.721662] 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 # [ 54.742945] RSP: 002b:00007fff35218d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.757909] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0c43da5473 # [ 54.766177] RDX: 0000000000000017 RSI: 00007f0c43c99000 RDI: 0000000000000001 # [ 54.780652] RBP: 00007f0c43c99000 R08: 00007f0c43c98010 R09: 0000000000000000 # [ 54.788919] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.803394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.811668] irq event stamp: 0 # [ 54.821581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.835098] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.850740] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.866384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.879890] ---[ end trace fc66307ea2d4669e ]--- # [ 54.891550] 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 # [ 55.057486] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 55.066578] lkdtm: attempting bad refcount_dec() from saturated # [ 55.073508] ------------[ cut here ]------------ # [ 55.078981] refcount_t: saturated; leaking memory. # [ 55.084663] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.100575] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.159570] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 55.168516] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.181826] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.187978] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d d9 fa 16 02 00 75 ee 48 c7 c7 e8 d6 ad a3 c6 05 c9 fa 16 02 01 e8 a9 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d b5 fa 16 02 00 75 cb 48 c7 c7 10 d7 ad # [ 55.209261] RSP: 0018:ffffb9fe42ea7e48 EFLAGS: 00010286 # [ 55.215416] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 55.223680] RDX: ffffa0213ad2c620 RSI: ffffa0213ad1bf50 RDI: ffffa0213ad1bf50 # [ 55.231948] RBP: ffffffffa3b82b9b R08: 0000000000000000 R09: 0000000000000000 # [ 55.240215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.248482] R13: ffffb9fe42ea7f10 R14: ffffb9fe42ea7f10 R15: ffffa020c634f000 # [ 55.256749] FS: 00007f0f266e2580(0000) GS:ffffa0213ad00000(0000) knlGS:0000000000000000 # [ 55.266085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.272796] CR2: 00007f0f264ec000 CR3: 0000000103466002 CR4: 00000000003706e0 # [ 55.281062] Call Trace: # [ 55.284104] ? __warn+0x80/0x110 # [ 55.288007] ? refcount_warn_saturate+0x51/0x110 # [ 55.299669] ? report_bug+0x9e/0xc0 # [ 55.303883] ? handle_bug+0x41/0x90 # [ 55.308100] ? exc_invalid_op+0x14/0x70 # [ 55.312676] ? asm_exc_invalid_op+0x12/0x20 # [ 55.317661] ? refcount_warn_saturate+0x51/0x110 # [ 55.323118] ? refcount_warn_saturate+0x51/0x110 # [ 55.334778] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 55.340519] direct_entry.cold+0x2c/0x38 # [ 55.345219] full_proxy_write+0x53/0x80 # [ 55.349830] vfs_write+0xe7/0x3b0 # [ 55.360038] ksys_write+0x68/0xf0 # [ 55.370250] do_syscall_64+0x30/0x40 # [ 55.380749] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.386713] RIP: 0033:0x7f0f265f8473 # [ 55.390997] 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 # [ 55.412279] RSP: 002b:00007ffdff66e598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.421032] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f265f8473 # [ 55.429297] RDX: 0000000000000017 RSI: 00007f0f264ec000 RDI: 0000000000000001 # [ 55.437569] RBP: 00007f0f264ec000 R08: 00007f0f264eb010 R09: 0000000000000000 # [ 55.452050] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.460316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.468587] irq event stamp: 0 # [ 55.472315] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.479618] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.489050] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.498481] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.505775] ---[ end trace fc66307ea2d4669f ]--- # [ 55.511223] 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 # [ 55.666478] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 55.674629] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 55.682440] ------------[ cut here ]------------ # [ 55.687891] refcount_t: saturated; leaking memory. # [ 55.699763] WARNING: CPU: 3 PID: 2455 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.715691] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.774698] CPU: 3 PID: 2455 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 55.789851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.803162] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.815504] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad # [ 55.842999] RSP: 0018:ffffb9fe42f47e38 EFLAGS: 00010282 # [ 55.855343] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.869821] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 55.884303] RBP: ffffffffa3b827c8 R08: 0000000000000000 R09: 0000000000000000 # [ 55.898784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.913265] R13: ffffb9fe42f47f10 R14: ffffb9fe42f47f10 R15: ffffa020c3839000 # [ 55.927748] FS: 00007f59b0363580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 55.943296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.956223] CR2: 00007f59b016d000 CR3: 00000001059e8003 CR4: 00000000003706e0 # [ 55.970703] Call Trace: # [ 55.979943] ? __warn+0x80/0x110 # [ 55.990051] ? refcount_warn_saturate+0x97/0x110 # [ 55.995501] ? report_bug+0x9e/0xc0 # [ 56.005898] ? handle_bug+0x41/0x90 # [ 56.016298] ? exc_invalid_op+0x14/0x70 # [ 56.020873] ? asm_exc_invalid_op+0x12/0x20 # [ 56.032052] ? refcount_warn_saturate+0x97/0x110 # [ 56.043712] ? refcount_warn_saturate+0x97/0x110 # [ 56.055377] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.068011] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.080840] direct_entry.cold+0x2c/0x38 # [ 56.091729] full_proxy_write+0x53/0x80 # [ 56.102519] vfs_write+0xe7/0x3b0 # [ 56.112725] ksys_write+0x68/0xf0 # [ 56.122934] do_syscall_64+0x30/0x40 # [ 56.133433] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.145583] RIP: 0033:0x7f59b0279473 # [ 56.156080] 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 # [ 56.183572] RSP: 002b:00007ffe61384e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.198538] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59b0279473 # [ 56.206802] RDX: 0000000000000020 RSI: 00007f59b016d000 RDI: 0000000000000001 # [ 56.221277] RBP: 00007f59b016d000 R08: 00007f59b016c010 R09: 0000000000000000 # [ 56.229542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.244020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.252290] irq event stamp: 0 # [ 56.256020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.263315] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.272745] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.282174] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.289461] ---[ end trace fc66307ea2d466a0 ]--- # [ 56.301127] 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 # [ 56.461523] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 56.470603] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 56.478391] ------------[ cut here ]------------ # [ 56.483848] refcount_t: saturated; leaking memory. # [ 56.489517] WARNING: CPU: 3 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.499242] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 56.558213] CPU: 3 PID: 2488 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 56.567182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.580500] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.586662] Code: 02 01 e8 86 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 94 fa 16 02 00 75 a8 48 c7 c7 e8 d6 ad a3 c6 05 84 fa 16 02 01 e8 63 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad # [ 56.614160] RSP: 0018:ffffb9fe42fd7e38 EFLAGS: 00010282 # [ 56.620311] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.628578] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 56.636848] RBP: ffffffffa3b827e8 R08: 0000000000000000 R09: 0000000000000000 # [ 56.645112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.653378] R13: ffffb9fe42fd7f10 R14: ffffb9fe42fd7f10 R15: ffffa020c3e2e000 # [ 56.661642] FS: 00007fb9ca7c6580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 56.670975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.677687] CR2: 00007fb9ca5d0000 CR3: 0000000105338006 CR4: 00000000003706e0 # [ 56.685953] Call Trace: # [ 56.688978] ? __warn+0x80/0x110 # [ 56.692908] ? refcount_warn_saturate+0x97/0x110 # [ 56.698389] ? report_bug+0x9e/0xc0 # [ 56.702582] ? handle_bug+0x41/0x90 # [ 56.706774] ? exc_invalid_op+0x14/0x70 # [ 56.711351] ? asm_exc_invalid_op+0x12/0x20 # [ 56.716320] ? refcount_warn_saturate+0x97/0x110 # [ 56.721802] ? refcount_warn_saturate+0x97/0x110 # [ 56.727252] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.733674] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.740288] direct_entry.cold+0x2c/0x38 # [ 56.744964] full_proxy_write+0x53/0x80 # [ 56.749575] vfs_write+0xe7/0x3b0 # [ 56.759786] ksys_write+0x68/0xf0 # [ 56.763810] do_syscall_64+0x30/0x40 # [ 56.768096] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.774031] RIP: 0033:0x7fb9ca6dc473 # [ 56.778316] 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 # [ 56.799594] RSP: 002b:00007ffd804e9bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.808391] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb9ca6dc473 # [ 56.816659] RDX: 0000000000000020 RSI: 00007fb9ca5d0000 RDI: 0000000000000001 # [ 56.824923] RBP: 00007fb9ca5d0000 R08: 00007fb9ca5cf010 R09: 0000000000000000 # [ 56.833188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.841453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.855941] irq event stamp: 0 # [ 56.865853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.873148] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.882580] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.892010] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.899305] ---[ end trace fc66307ea2d466a1 ]--- # [ 56.904775] 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 # [ 57.079504] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 57.093025] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 57.107024] ------------[ cut here ]------------ # [ 57.118690] refcount_t: underflow; use-after-free. # [ 57.130563] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.146488] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 57.205484] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 57.220629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.233944] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.246289] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 57.267573] RSP: 0018:ffffb9fe4306fe40 EFLAGS: 00010286 # [ 57.279911] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 57.288178] RDX: ffffa0213acac620 RSI: ffffa0213ac9bf50 RDI: ffffa0213ac9bf50 # [ 57.302654] RBP: ffffffffa3b82808 R08: 0000000000000000 R09: 0000000000000000 # [ 57.310920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.325397] R13: ffffb9fe4306ff10 R14: ffffb9fe4306ff10 R15: ffffa020c398f000 # [ 57.333662] FS: 00007ff75658d580(0000) GS:ffffa0213ac80000(0000) knlGS:0000000000000000 # [ 57.349203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.355915] CR2: 00007ff756397000 CR3: 0000000106518005 CR4: 00000000003706e0 # [ 57.370393] Call Trace: # [ 57.373420] ? __warn+0x80/0x110 # [ 57.383521] ? refcount_warn_saturate+0xba/0x110 # [ 57.388973] ? report_bug+0x9e/0xc0 # [ 57.399373] ? handle_bug+0x41/0x90 # [ 57.409776] ? exc_invalid_op+0x14/0x70 # [ 57.420575] ? asm_exc_invalid_op+0x12/0x20 # [ 57.431756] ? refcount_warn_saturate+0xba/0x110 # [ 57.443444] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 57.456082] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 57.468913] direct_entry.cold+0x2c/0x38 # [ 57.473590] full_proxy_write+0x53/0x80 # [ 57.484374] vfs_write+0xe7/0x3b0 # [ 57.494581] ksys_write+0x68/0xf0 # [ 57.504788] do_syscall_64+0x30/0x40 # [ 57.515286] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.521248] RIP: 0033:0x7ff7564a3473 # [ 57.531739] 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 # [ 57.553017] RSP: 002b:00007ffd2b6f6818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.567976] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff7564a3473 # [ 57.576244] RDX: 0000000000000020 RSI: 00007ff756397000 RDI: 0000000000000001 # [ 57.590721] RBP: 00007ff756397000 R08: 00007ff756396010 R09: 0000000000000000 # [ 57.598990] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.613464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.621734] irq event stamp: 0 # [ 57.631640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.638938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.654579] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.664012] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.677518] ---[ end trace fc66307ea2d466a2 ]--- # [ 57.689185] 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 # [ 57.856660] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 57.865142] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 57.872954] ------------[ cut here ]------------ # [ 57.878420] refcount_t: underflow; use-after-free. # [ 57.884112] WARNING: CPU: 3 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.893844] 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 uvcvideo videobuf2_vmalloc videobuf2_memops cros_ec_lightbar cros_usbpd_logger cros_ec_debugfs cros_usbpd_charger snd_soc_core cros_ec_sensorhub cros_ec_sysfs cros_ec_chardev snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common cros_usbpd_notify regmap_i2c i2c_hid chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 57.952847] CPU: 3 PID: 2560 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 57.961815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.975131] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.987475] Code: 02 01 e8 63 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 6e fa 16 02 00 75 85 48 c7 c7 40 d7 ad a3 c6 05 5e fa 16 02 01 e8 40 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 49 fa 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.008758] RSP: 0018:ffffb9fe430efe40 EFLAGS: 00010286 # [ 58.014887] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 58.023157] RDX: ffffa0213adac620 RSI: ffffa0213ad9bf50 RDI: ffffa0213ad9bf50 # [ 58.031447] RBP: ffffffffa3b82828 R08: 0000000000000000 R09: 0000000000000000 # [ 58.045920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.054185] R13: ffffb9fe430eff10 R14: ffffb9fe430eff10 R15: ffffa020c5286000 # [ 58.062449] FS: 00007f59d6497580(0000) GS:ffffa0213ad80000(0000) knlGS:0000000000000000 # [ 58.071784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.078493] CR2: 00007f59d62a1000 CR3: 0000000105338002 CR4: 00000000003706e0 # [ 58.086758] Call Trace: # [ 58.089783] ? __warn+0x80/0x110 # [ 58.093682] ? refcount_warn_saturate+0xba/0x110 # [ 58.099132] ? report_bug+0x9e/0xc0 # [ 58.103321] ? handle_bug+0x41/0x90 # [ 58.107530] ? exc_invalid_op+0x14/0x70 # [ 58.112105] ? asm_exc_invalid_op+0x12/0x20 # [ 58.117073] ? refcount_warn_saturate+0xba/0x110 # [ 58.122572] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.135209] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 58.141823] direct_entry.cold+0x2c/0x38 # [ 58.146496] full_proxy_write+0x53/0x80 # [ 58.151095] vfs_write+0xe7/0x3b0 # [ 58.155111] ksys_write+0x68/0xf0 # [ 58.159103] do_syscall_64+0x30/0x40 # [ 58.163387] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.169322] RIP: 0033:0x7f59d63ad473 # [ 58.173624] 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 # [ 58.194904] RSP: 002b:00007ffc215bafa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.203653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59d63ad473 # [ 58.211916] RDX: 0000000000000020 RSI: 00007f59d62a1000 RDI: 0000000000000001 # [ 58.220178] RBP: 00007f59d62a1000 R08: 00007f59d62a0010 R09: 0000000000000000 # [ 58.228441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.236698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.251182] irq event stamp: 0 # [ 58.261096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.268389] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.277817] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.287247] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.294555] ---[ end trace fc66307ea2d466a3 ]--- # [ 58.300011] 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 # [ 58.525381] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 58.536993] lkdtm: attempting good copy_to_user of correct size # [ 58.550139] 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 # [ 58.729842] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 58.738375] lkdtm: attempting good copy_from_user of correct size # [ 58.751700] 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 # [ 58.917807] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 58.928284] lkdtm: attempting good copy_to_user inside whitelist # [ 58.935298] 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 # [ 59.143846] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 59.155454] lkdtm: attempting good copy_from_user inside whitelist # [ 59.162663] 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 # [ 59.302435] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 59.313967] lkdtm: good_stack: ffffb9fe43497e20-ffffb9fe43497e40 # [ 59.320977] lkdtm: bad_stack : ffffb9fe43497da8-ffffb9fe43497dc8 # [ 59.327988] lkdtm: attempting good copy_to_user of local stack # [ 59.334807] 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 # [ 59.472668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 59.485949] lkdtm: good_stack: ffffb9fe43547e20-ffffb9fe43547e40 # [ 59.492956] lkdtm: bad_stack : ffffb9fe43547da8-ffffb9fe43547dc8 # [ 59.500017] lkdtm: attempting good copy_from_user of local stack # [ 59.507029] 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 # [ 59.648636] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 59.657912] lkdtm: good_stack: ffffb9fe435d7e20-ffffb9fe435d7e40 # [ 59.664948] lkdtm: bad_stack : ffffb9fe435d7ff8-ffffb9fe435d8018 # [ 59.671960] lkdtm: attempting good copy_to_user of local stack # [ 59.684998] lkdtm: attempting bad copy_to_user of distant stack # [ 59.691916] 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 # [ 59.833663] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 59.841620] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa36f8950 # [ 59.850611] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa1ce2c40 # [ 59.859298] 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 # [ 59.993562] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 60.002317] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 60.016730] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 60.030992] lkdtm: FAIL: the thread stack is NOT properly erased # [ 60.037998] CPU: 1 PID: 2936 Comm: cat Tainted: G D W 5.10.205-cip41 #1 # [ 60.053146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.060232] Call Trace: # [ 60.063255] dump_stack+0x77/0x9b # [ 60.073461] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 60.078908] direct_entry.cold+0x2c/0x38 # [ 60.089790] full_proxy_write+0x53/0x80 # [ 60.094365] vfs_write+0xe7/0x3b0 # [ 60.104570] ksys_write+0x68/0xf0 # [ 60.108569] do_syscall_64+0x30/0x40 # [ 60.112851] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.124996] RIP: 0033:0x7f6ad467b473 # [ 60.129275] 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 # [ 60.150568] RSP: 002b:00007ffdcc2a6bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.159317] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6ad467b473 # [ 60.167570] RDX: 0000000000000012 RSI: 00007f6ad456f000 RDI: 0000000000000001 # [ 60.175832] RBP: 00007f6ad456f000 R08: 00007f6ad456e010 R09: 0000000000000000 # [ 60.184093] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.192354] 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 # [ 60.329625] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 60.337773] lkdtm: Calling matched prototype ... # [ 60.349440] lkdtm: Calling mismatched prototype ... # [ 60.361390] 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_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_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_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_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_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_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_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selfte<6>[ 66.775890] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) sts_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh <6>[ 66.787359] pci 0000:00:1e.6: deferred probe pending 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 / #