[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 72354 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376246 run 166737 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8974 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 8974 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90975 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107764 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 14153 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 14147 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 22364 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 53529 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 13862 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 11320 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 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10047 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466060 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486181 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=1 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825954 exit 39506 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113862 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 227 run 139293 exit 21129 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 31142 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6980 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5964 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23488 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 23793 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2249 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2388 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 24395 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-02-23 10:49:36 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2024-02-23 10:49:36 UTC ELOG: Event(92) added with size 9 at 2024-02-23 10:49:36 UTC ELOG: Event(9A) added with size 9 at 2024-02-23 10:49:36 UTC ELOG: Event(AD) added with size 10 at 2024-02-23 10:49:36 UTC ELOG: Event(9F) added with size 14 at 2024-02-23 10:49:36 UTC BS: BS_DEV_INIT times (us): entry 0 run 417300 exit 59980 ELOG: Event(A1) added with size 10 at 2024-02-23 10:49:36 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-02-23 10:49:36 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 25558 run 3967 exit 5207 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 5c90 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000058 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 1 run 537589 exit 145992 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CPU physical address size: 39 bits CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 600 run 259739 exit 135062 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 12837989/tftp-deploy-h2xw39aa/kernel/bzImage 12837989/tftp-deploy-h2xw39aa/kernel/cmdline 12837989/tftp-deploy-h2xw39aa/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12837989/tftp-deploy-h2xw39aa/kernel/bzIploy-h2xw39aa/kernel/cmdline 12837989/tftp-deploy-h2xw39aa/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:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12837989/tftp-deploy-h2xw39aa/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 ################################################################ 01080000 ################################################################ 01100000 ############################# done. The bootfile was 18058304 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12837989/tftp-deploy-h2xw39aa/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/12837989/extract-nfsrootfs-41oyk340,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: 18158076 Starting kernel ... <5>[ 0.000000] Linux version 5.10.210-cip44 (KernelCI@build-j118171-x86-64-gcc-10-x86-64-defconfig-x86-board-t6hdr) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 23 10:35:21 UTC 2024 <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/12837989/extract-nfsrootfs-41oyk340,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>[ 0.000042] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001101] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005661] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.018879] check: Scanning 1 areas for low memory corruption <6>[ 0.018890] Using GB pages for direct mapping <6>[ 0.019507] RAMDISK: [mem 0x37601000-0x37ffffff] <6>[ 0.019513] ACPI: Early table checksum verification disabled <6>[ 0.019519] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.019529] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019542] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019554] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.019564] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019573] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019581] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.019590] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019600] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019609] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019618] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.019627] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019636] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019645] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019654] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.019658] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.019661] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019665] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019668] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.019672] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.019676] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.019679] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.019683] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.019686] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.019690] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.019693] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.019822] No NUMA configuration found <6>[ 0.019826] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.019833] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.019868] Zone ranges: <6>[ 0.019872] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.019878] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.019883] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019889] Movable zone start for each node <6>[ 0.019892] Early memory node ranges <6>[ 0.019896] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.019900] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.019904] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019908] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.019937] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.019988] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.033711] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.034469] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.034492] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.034832] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.034882] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.034893] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.034898] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.034909] Using ACPI (MADT) for SMP configuration information <6>[ 0.034914] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.034920] TSC deadline timer available <6>[ 0.034924] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.034947] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.034951] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.034956] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.034959] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.034963] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.034966] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.034969] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.034973] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.034976] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.034979] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.034982] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.034986] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.034989] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.034992] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.034996] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.035002] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.035008] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.049173] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.049405] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.049468] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.049471] Policy zone: Normal <5>[ 0.049483] 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/12837989/extract-nfsrootfs-41oyk340,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.049935] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.050126] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.050197] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.077166] Memory: 3874268K/4089052K available (22546K kernel code, 3701K rwdata, 13620K rodata, 2160K init, 14004K bss, 214524K reserved, 0K cma-reserved) <6>[ 0.077284] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.077331] Kernel/User page tables isolation: enabled <6>[ 0.077425] ftrace: allocating 61535 entries in 241 pages <6>[ 0.129583] ftrace: allocated 241 pages with 5 groups <6>[ 0.129819] Running RCU self tests <6>[ 0.129831] rcu: Hierarchical RCU implementation. <6>[ 0.129835] rcu: RCU event tracing is enabled. <6>[ 0.129838] rcu: RCU lockdep checking is enabled. <6>[ 0.129842] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.129846] Rude variant of Tasks RCU enabled. <6>[ 0.129849] Tracing variant of Tasks RCU enabled. <6>[ 0.129853] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.129857] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.137535] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.137942] random: crng init done <6>[ 0.138033] Console: colour dummy device 80x25 <6>[ 0.211441] printk: console [ttyS0] enabled <4>[ 0.211830] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.212513] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.212895] ... MAX_LOCK_DEPTH: 48 <4>[ 0.213277] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.213680] ... CLASSHASH_SIZE: 4096 <4>[ 0.214077] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.214487] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.214898] ... CHAINHASH_SIZE: 32768 <4>[ 0.215303] memory used by lock dependency info: 6365 kB <4>[ 0.215791] memory used for stack traces: 4224 kB <4>[ 0.216230] per task-struct memory footprint: 1920 bytes <6>[ 0.216766] ACPI: Core revision 20200925 <6>[ 0.217307] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.217828] APIC: Switch to symmetric I/O mode setup <6>[ 0.222346] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.223283] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.224268] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.224269] process: using mwait in idle threads <6>[ 0.224269] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.224269] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.224269] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.224269] Spectre V2 : Mitigation: IBRS <6>[ 0.224269] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.224269] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.224269] RETBleed: Mitigation: IBRS <6>[ 0.224269] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.224269] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.224269] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.224269] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.224269] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.224269] SRBDS: Vulnerable: No microcode <6>[ 0.224269] GDS: Vulnerable: No microcode <6>[ 0.224269] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.224269] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.224269] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.224269] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.224269] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.224269] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.224269] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.224269] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.224269] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.224269] ------------[ cut here ]------------ <4>[ 0.224269] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.224269] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.224269] Modules linked in: <4>[ 0.224269] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.210-cip44 #1 <4>[ 0.224269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.224269] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.224269] Code: 87 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 d8 70 51 bd c6 05 c0 06 87 02 01 e8 45 79 14 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.224269] RSP: 0000:ffffffffbd803e28 EFLAGS: 00010282 <4>[ 0.224269] RAX: 0000000000000000 RBX: ffffffffbe421694 RCX: 0000000000000000 <4>[ 0.224269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbb378531 <4>[ 0.224269] RBP: ffffffffbd194640 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.224269] R10: ffffffffbd88ffc0 R11: 3fffffffffffffff R12: ffffffffbe43a2d0 <4>[ 0.224269] R13: cccccccccccccccc R14: ffffffffbd194645 R15: 0000000000000004 <4>[ 0.224269] FS: 0000000000000000(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 0.224269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.224269] CR2: ffff90861ba01000 CR3: 000000015a026001 CR4: 00000000003706f0 <4>[ 0.224269] Call Trace: <4>[ 0.224269] ? __warn+0x80/0x110 <4>[ 0.224269] ? apply_returns+0x1f5/0x220 <4>[ 0.224269] ? report_bug+0x9e/0xc0 <4>[ 0.224269] ? handle_bug+0x41/0x90 <4>[ 0.224269] ? exc_invalid_op+0x14/0x70 <4>[ 0.224269] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.224269] ? console_unlock+0x4d1/0x5f0 <4>[ 0.224269] ? apply_returns+0x1f5/0x220 <4>[ 0.224269] ? apply_returns+0x1f5/0x220 <4>[ 0.224269] alternative_instructions+0x7d/0x143 <4>[ 0.224269] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.224269] start_kernel+0x4a3/0x54d <4>[ 0.224269] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.224269] irq event stamp: 199133 <4>[ 0.224269] hardirqs last enabled at (199141): [] console_unlock+0x4d1/0x5f0 <4>[ 0.224269] hardirqs last disabled at (199148): [] console_unlock+0x444/0x5f0 <4>[ 0.224269] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.224269] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.224269] ---[ end trace d62b6f016571da9d ]--- <6>[ 0.224269] Freeing SMP alternatives memory: 48K <6>[ 0.224269] pid_max: default: 32768 minimum: 301 <6>[ 0.224269] LSM: Security Framework initializing <6>[ 0.224269] SELinux: Initializing. <6>[ 0.224269] LSM support for eBPF active <6>[ 0.224269] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.224269] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.224269] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.224746] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.225281] ... version: 4 <6>[ 0.225658] ... bit width: 48 <6>[ 0.226039] ... generic registers: 4 <6>[ 0.226274] ... value mask: 0000ffffffffffff <6>[ 0.226758] ... max period: 00007fffffffffff <6>[ 0.227239] ... fixed-purpose events: 3 <6>[ 0.227272] ... event mask: 000000070000000f <6>[ 0.228176] rcu: Hierarchical SRCU implementation. <6>[ 0.229903] smp: Bringing up secondary CPUs ... <6>[ 0.230828] x86: Booting SMP configuration: <6>[ 0.231237] .... node #0, CPUs: #1 <4>[ 0.231597] 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>[ 0.233274] 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>[ 0.234726] #2 #3 <6>[ 0.236692] smp: Brought up 1 node, 4 CPUs <6>[ 0.237275] smpboot: Max logical packages: 1 <6>[ 0.237675] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.241274] devtmpfs: initialized <6>[ 0.241857] x86/mm: Memory block size: 128MB <6>[ 0.245314] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.246135] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.246677] pinctrl core: initialized pinctrl subsystem <6>[ 0.248026] PM: RTC time: 10:49:50, date: 2024-02-23 <6>[ 0.248767] NET: Registered protocol family 16 <6>[ 0.249798] audit: initializing netlink subsys (disabled) <5>[ 0.250311] audit: type=2000 audit(1708685390.027:1): state=initialized audit_enabled=0 res=1 <6>[ 0.250865] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.251073] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.251345] cpuidle: using governor menu <6>[ 0.252400] ACPI: bus type PCI registered <6>[ 0.253080] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.253280] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.253913] PCI: Using configuration type 1 for base access <6>[ 0.283038] Kprobes globally optimized <6>[ 0.283384] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.283384] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.284421] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.287565] ACPI: Added _OSI(Module Device) <6>[ 0.287960] ACPI: Added _OSI(Processor Device) <6>[ 0.288280] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.288716] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.289207] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.289275] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.289761] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.300018] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.306499] ACPI: EC: EC started <6>[ 0.306829] ACPI: EC: interrupt blocked <6>[ 0.307794] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.308262] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.308274] ACPI: Interpreter enabled <6>[ 0.308679] ACPI: (supports S0 S3 S4 S5) <6>[ 0.309050] ACPI: Using IOAPIC for interrupt routing <6>[ 0.309336] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.323711] ACPI: Power Resource [PRIC] (on) <6>[ 0.444526] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.445094] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.445512] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.446192] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.446776] PCI host bridge to bus 0000:00 <6>[ 0.447164] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.447276] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.447883] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.448275] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.448940] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.449274] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.449939] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.450274] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.450939] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.451274] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.451939] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.452274] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.452939] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.453274] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.453939] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.454274] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.454939] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.455274] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.455953] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.456274] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.456939] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.457354] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.458765] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.459293] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.459912] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.460281] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.461313] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.461875] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.462899] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.463296] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.464454] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.465023] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.465400] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.466568] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.467137] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.467856] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.468314] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.469601] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.470178] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.470998] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.471317] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.471945] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.472930] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.473317] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.474636] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.475348] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.476531] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.477108] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.477977] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.478317] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.479596] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.480166] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.481035] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.481311] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.482568] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.483757] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.484303] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.485498] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.486072] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.486327] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.487020] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.487899] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.488340] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.489015] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.489890] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.490305] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.491776] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.492473] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.493869] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.495881] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.496288] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.497986] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.498508] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.499356] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.500223] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.500498] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.501361] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.502234] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.502499] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.508090] ACPI: EC: interrupt unblocked <6>[ 0.508273] ACPI: EC: event unblocked <6>[ 0.508632] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.509098] ACPI: EC: GPE=0x6e <6>[ 0.509276] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.509906] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.510614] iommu: Default domain type: Translated <6>[ 0.511326] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.511887] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.512298] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.512819] vgaarb: loaded <5>[ 0.513574] SCSI subsystem initialized <6>[ 0.513954] ACPI: bus type USB registered <6>[ 0.514406] usbcore: registered new interface driver usbfs <6>[ 0.514956] usbcore: registered new interface driver hub <6>[ 0.515304] usbcore: registered new device driver usb <6>[ 0.515862] mc: Linux media interface: v0.10 <6>[ 0.516286] videodev: Linux video capture interface: v2.00 <6>[ 0.516814] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.517269] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.517282] PTP clock support registered <6>[ 0.517701] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.519106] NetLabel: Initializing <6>[ 0.519275] NetLabel: domain hash size = 128 <6>[ 0.519680] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.520256] NetLabel: unlabeled traffic allowed by default <6>[ 0.520386] PCI: Using ACPI for IRQ routing <6>[ 0.528471] clocksource: Switched to clocksource tsc-early <5>[ 0.844543] VFS: Disk quotas dquot_6.6.0 <6>[ 0.844951] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.845903] pnp: PnP ACPI init <6>[ 0.846818] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 0.847433] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 0.848029] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 0.848633] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 0.849229] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 0.849832] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 0.850467] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 0.851091] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 0.851693] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 0.852288] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 0.853596] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 0.854424] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 0.855142] system 00:04: [io 0x0200] has been reserved <6>[ 0.855642] system 00:04: [io 0x0204] has been reserved <6>[ 0.856131] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 0.856677] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 0.859348] pnp: PnP ACPI: found 6 devices <6>[ 0.871278] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.872164] NET: Registered protocol family 2 <6>[ 0.872703] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.874671] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.875618] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.876489] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.878814] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.879653] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.880571] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.881401] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.882377] NET: Registered protocol family 1 <6>[ 0.883294] RPC: Registered named UNIX socket transport module. <6>[ 0.883865] RPC: Registered udp transport module. <6>[ 0.884300] RPC: Registered tcp transport module. <6>[ 0.884741] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.885780] NET: Registered protocol family 44 <6>[ 0.886210] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.886696] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.887313] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 0.887876] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 0.888488] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 0.889103] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 0.889726] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 0.890341] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 0.890963] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 0.891594] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 0.892216] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 0.892845] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 0.893476] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 0.894098] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 0.894727] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 0.895349] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 0.896010] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 0.896640] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 0.897263] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 0.897891] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 0.898537] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 0.899160] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 0.899788] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 0.900696] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 0.902954] PCI: CLS 64 bytes, default 64 <6>[ 0.903654] Unpacking initramfs... <6>[ 1.213252] Freeing initrd memory: 10236K <6>[ 1.213712] DMAR: Host address width 39 <6>[ 1.214100] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.214646] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.215400] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.215964] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.216465] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.217243] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.217832] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.218732] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.219450] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.219970] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.220510] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.221002] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.221520] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.223320] kvm: already loaded the other module <6>[ 1.238507] check: Scanning for low memory corruption every 60 seconds <5>[ 1.241446] Initialise system trusted keyrings <6>[ 1.242056] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.256915] NFS: Registering the id_resolver key type <5>[ 1.257429] Key type id_resolver registered <5>[ 1.257840] Key type id_legacy registered <5>[ 1.273316] Key type asymmetric registered <5>[ 1.273736] Asymmetric key parser 'x509' registered <6>[ 1.274227] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.274908] io scheduler mq-deadline registered <6>[ 1.275328] io scheduler kyber registered <4>[ 1.275873] test_firmware: interface ready <6>[ 1.277423] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.278942] ACPI: AC Adapter [AC] (on-line) <6>[ 1.279639] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.281216] ACPI: Lid Switch [LID0] <6>[ 1.281750] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.282595] ACPI: Power Button [PWRF] <6>[ 1.283281] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.284246] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.285114] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.285987] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.287286] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.290889] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.291336] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.291608] Non-volatile memory driver v1.3 <6>[ 1.292478] Linux agpgart interface v0.103 <6>[ 1.293130] ACPI: bus type drm_connector registered <6>[ 1.293714] [drm] amdgpu kernel modesetting enabled. <6>[ 1.296246] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.348574] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.350256] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.384664] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.387785] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.399825] loop: module loaded <6>[ 1.400745] lkdtm: No crash points registered, enable through debugfs <6>[ 1.418804] printk: console [ttyS0] disabled <6>[ 1.419443] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.238471] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.255292] printk: console [ttyS0] enabled <6>[ 2.264467] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.287470] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.051051] clocksource: Switched to clocksource tsc <6>[ 5.051203] fbcon: i915drmfb (fb0) is primary device <4>[ 5.053130] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.059633] e100: Intel(R) PRO/100 Network Driver <6>[ 5.059636] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.059683] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.059684] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.059744] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.059746] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.059807] sky2: driver version 1.30 <6>[ 5.060035] usbcore: registered new interface driver r8152 <6>[ 5.060392] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.060406] ehci-pci: EHCI PCI platform driver <6>[ 5.060454] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.060465] ohci-pci: OHCI PCI platform driver <6>[ 5.060508] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.061268] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.061952] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.063569] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.063626] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.063704] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.065956] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.066435] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.066445] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.066964] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.066979] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.066984] usb usb1: Product: xHCI Host Controller <6>[ 5.066991] usb usb1: Manufacturer: Linux 5.10.210-cip44 xhci-hcd <6>[ 5.066998] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.068894] hub 1-0:1.0: USB hub found <6>[ 5.069051] hub 1-0:1.0: 12 ports detected <6>[ 5.073418] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.073437] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.073440] usb usb2: Product: xHCI Host Controller <6>[ 5.073442] usb usb2: Manufacturer: Linux 5.10.210-cip44 xhci-hcd <6>[ 5.073445] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.074404] hub 2-0:1.0: USB hub found <6>[ 5.074458] hub 2-0:1.0: 6 ports detected <6>[ 5.075958] usbcore: registered new interface driver usblp <6>[ 5.076006] usbcore: registered new interface driver usb-storage <6>[ 5.076471] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.076567] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.076569] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.077258] i8042: Warning: Keylock active <6>[ 5.077514] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.078545] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.080719] rtc_cmos 00:02: registered as rtc0 <6>[ 5.081018] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.081167] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.082479] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.082540] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.083471] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.084632] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.085273] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.085331] intel_pstate: Intel P-state driver initializing <6>[ 5.086217] Console: switching to colour frame buffer device 240x67 <6>[ 5.086404] intel_pstate: HWP enabled <6>[ 5.086469] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.086471] sdhci: Copyright(c) Pierre Ossman <6>[ 5.086520] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.087694] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.087860] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.088899] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.089343] usbcore: registered new interface driver usbhid <6>[ 5.089344] usbhid: USB HID core driver <6>[ 5.089711] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.095330] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.096045] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.096748] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.096979] netem: version 1.3 <6>[ 5.097098] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.097419] IPv4 over IPsec tunneling driver <6>[ 5.097697] Initializing XFRM netlink socket <6>[ 5.098077] NET: Registered protocol family 10 <6>[ 5.099347] Segment Routing with IPv6 <6>[ 5.100698] NET: Registered protocol family 17 <6>[ 5.106295] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <3>[ 5.111858] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.112446] 8021q: 802.1Q VLAN Support v1.8 <6>[ 5.291122] mmc0: new HS400 MMC card at address 0001 <5>[ 5.295985] Key type dns_resolver registered <6>[ 5.301802] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.376493] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 <6>[ 5.675191] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.675298] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.675396] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.682202] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.690299] microcode: Microcode Update Driver: v2.2. <6>[ 5.696888] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.702002] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.702010] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.702012] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 5.702014] usb 2-3: Manufacturer: Realtek <6>[ 5.702016] usb 2-3: SerialNumber: 001000001 <6>[ 5.703660] IPI shorthand broadcast: enabled <6>[ 5.728652] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.735814] sched_clock: Marking stable (5650404688, 85361571)->(5851203047, -115436788) <6>[ 5.773704] registered taskstats version 1 <5>[ 5.778597] Loading compiled-in X.509 certificates <6>[ 5.785798] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.795808] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.805191] PM: Magic number: 12:550:831 <6>[ 5.810259] printk: console [netcon0] enabled <6>[ 5.815429] netconsole: network logging started <6>[ 5.827283] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.877976] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 5.915626] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 5.920807] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.962470] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 6.098590] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.108103] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.120627] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.243622] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.407100] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.416566] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.424851] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.430509] usb 1-9: Manufacturer: Azurewave <6>[ 6.435585] usb 1-9: SerialNumber: 0x0001 <6>[ 6.444748] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.308502] r8152 2-3:1.0 eth0: carrier on <6>[ 9.308552] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 9.320409] Sending DHCP requests .., OK <6>[ 11.953249] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 <6>[ 11.962503] IP-Config: Complete: <6>[ 11.966411] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 <6>[ 11.978374] host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 11.987909] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 11.987910] nameserver0=192.168.201.1 <5>[ 12.001337] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 12.013161] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 12.016076] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 12.020773] modprobe (103) used greatest stack depth: 14016 bytes left <5>[ 12.036142] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 12.045730] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 12.049507] ALSA device list: <6>[ 12.055715] cfg80211: failed to load regulatory.db <6>[ 12.059287] No soundcards found. <4>[ 12.069416] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 12.079412] Freeing unused kernel image (initmem) memory: 2160K <6>[ 12.096636] Write protecting the kernel read-only data: 38912k <6>[ 12.104449] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 12.112436] Freeing unused kernel image (rodata/data gap) memory: 716K <6>[ 12.120144] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 12.139987] systemd-udevd (124) used greatest stack depth: 13816 bytes left <6>[ 12.187590] udevadm (126) used greatest stack depth: 13592 bytes left <6>[ 12.314900] chromeos ramoops using acpi device. <6>[ 12.316101] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.332085] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.332393] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 12.351947] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.362246] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.372069] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 12.384679] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 12.395667] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.405191] Registered efivars operations <6>[ 12.405983] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.418060] gsmi version 1.0 loaded <6>[ 12.587652] 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>[ 12.605761] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 12.618698] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.642294] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.651639] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 12.653492] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.669617] 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>[ 12.671513] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.682596] usbcore: registered new interface driver uvcvideo <6>[ 12.691645] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.696893] USB Video Class driver (1.1.1) <6>[ 12.711054] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.722824] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.734021] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 12.735809] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.754187] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 12.774175] udevadm (152) used greatest stack depth: 13392 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:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.973971] nfsmount (170) used greatest stack depth: 12528 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 13.283292] systemd[1]: systemd 247.3-7+deb11u4 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 13.322645] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.342670] systemd[1]: Set hostname to . <30>[ 13.663774] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.673767] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.689977] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.705971] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.722969] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.739908] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.761880] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.783462] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.806761] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.823758] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.837711] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.853703] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.867719] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.878943] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.896355] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.913470] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.930107] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.945496] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.964322] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.980439] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 14.000015] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.019766] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.038580] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.054167] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.074578] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.098751] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.114028] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.127955] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.149802] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 14.164343] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 14.175404] fuse: init (API version 7.32) <30>[ 14.194813] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.210871] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.229207] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.245107] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.261769] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.278725] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.295862] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.312708] 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>[ 14.333094] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 14.453547] systemd-journald[204]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ 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. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Static Device Nodes in /dev... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Started Network Service. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …eds:chromeos::kbd_backlight... Starting Network Name Resolution... [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Reached target System Initialization. [ 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 ] Started Daily Cleanup of Temporary Directories. [ 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 Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ 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 5.10.210-cip44 #1 SMP Fri Feb 23 10:35:21 UTC 2024 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. <6>[ 16.209566] systemctl (287) used greatest stack depth: 12368 bytes left / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12837989/extract-nfsrootfs-41oyk340' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12837989/extract-nfsrootfs-41oyk340' / # 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-12837989/environment . /lava-12837989/environment / # /lava-12837989/bin/lava-test-runner /lava-12837989/0 /lava-12837989/bin/lava-test-runner /lava-12837989/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12837989/0/tests/0_timesync-off ++ cat uuid + UUID=12837989_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-12837989/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12837989_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/v5.10.209-cip44-424-g38943e302f8c8/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 --2024-02-23 10:50:07-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-424-g38943e302f8c8/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: 3541556 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 181KB/s kselftest.tar.xz 6%[> ] 219.84K 415KB/s kselftest.tar.xz 18%[==> ] 641.23K 800KB/s kselftest.tar.xz 51%[=========> ] 1.73M 1.63MB/s kselftest.tar.xz 61%[===========> ] 2.09M 1.58MB/s kselftest.tar.xz 92%[=================> ] 3.13M 1.97MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.11MB/s in 1.6s 2024-02-23 10:50:09 (2.11 MB/s) - 'kselftest.tar.xz' saved [3541556/3541556] 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 l<12>[ 22.262839] kselftest: Running tests in lkdtm kdtm: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 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>[ 22.437544] lkdtm: Performing direct entry BUG <4>[ 22.442891] ------------[ cut here ]------------ <2>[ 22.448361] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 22.454533] invalid opcode: 0000 [#1] SMP PTI <4>[ 22.459697] CPU: 2 PID: 639 Comm: cat Tainted: G W 5.10.210-cip44 #1 <4>[ 22.468542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 22.475634] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 22.480299] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 22.501573] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 22.507698] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 22.515950] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 22.524212] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 22.532466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 22.540719] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 22.548978] FS: 00007efe70991580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 22.558299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 22.565007] CR2: 00007efe7079b000 CR3: 0000000102f08003 CR4: 00000000003706e0 <4>[ 22.573269] Call Trace: <4>[ 22.576280] ? __die_body.cold+0x1a/0x1f <4>[ 22.580955] ? die+0x2b/0x50 <4>[ 22.584459] ? do_trap+0x91/0x110 <4>[ 22.588448] ? lkdtm_BUG+0x5/0x10 <4>[ 22.592453] ? do_error_trap+0x90/0x110 <4>[ 22.597026] ? lkdtm_BUG+0x5/0x10 <4>[ 22.601005] ? lkdtm_BUG+0x5/0x10 <4>[ 22.604994] ? exc_invalid_op+0x4e/0x70 <4>[ 22.609565] ? lkdtm_BUG+0x5/0x10 <4>[ 22.613554] ? asm_exc_invalid_op+0x12/0x20 <4>[ 22.618515] ? direct_entry+0xe0/0xe0 <4>[ 22.622894] ? lkdtm_BUG+0x5/0x10 <4>[ 22.626884] direct_entry.cold+0x2c/0x38 <4>[ 22.631554] full_proxy_write+0x53/0x80 <4>[ 22.636133] vfs_write+0xe7/0x3b0 <4>[ 22.640123] ksys_write+0x68/0xf0 <4>[ 22.644111] do_syscall_64+0x30/0x40 <4>[ 22.648401] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 22.654332] RIP: 0033:0x7efe708a7473 <4>[ 22.658611] 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>[ 22.679885] RSP: 002b:00007ffd5fd724b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 22.688633] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efe708a7473 <4>[ 22.696895] RDX: 0000000000000004 RSI: 00007efe7079b000 RDI: 0000000000000001 <4>[ 22.705154] RBP: 00007efe7079b000 R08: 00007efe7079a010 R09: 0000000000000000 <4>[ 22.713416] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 22.721678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 22.729941] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 22.784622] gsmi: Log Shutdown Reason 0x03 <4>[ 22.789501] ---[ end trace d62b6f016571da9f ]--- <4>[ 22.794978] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 22.799656] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 22.820957] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 22.827115] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 22.835409] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 22.843705] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 22.852002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 22.860294] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 22.868587] FS: 00007efe70991580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 22.877949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 22.884689] CR2: 00007efe7079b000 CR3: 0000000102f08003 CR4: 00000000003706e0 # Segmentation fault # [ 22.437544] lkdtm: Performing direct entry BUG # [ 22.442891] ------------[ cut here ]------------ # [ 22.448361] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 22.454533] invalid opcode: 0000 [#1] SMP PTI # [ 22.459697] CPU: 2 PID: 639 Comm: cat Tainted: G W 5.10.210-cip44 #1 # [ 22.468542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 22.475634] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 22.480299] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 22.501573] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 22.507698] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX<6>[ 22.977229] lkdtm: Performing direct entry WARNING : 0000000000000000 # [ 22.515950] RDX: 0000000000000000 RSI: <4>[ 22.988473] ------------[ cut here ]------------ ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 22.524212] RBP: ff<4>[ 23.000132] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 ffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 23.016070] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 22.532466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 23.075041] CPU: 0 PID: 677 Comm: cat Tainted: G D W 5.10.210-cip44 #1 00000000000004 # [ 22.540719] R13: ffffa79981337f10 R14: ffff<4>[ 23.090100] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 a79981337f10 R15: ffff9085c3541000 # [ 22.548978] FS: 00007e<4>[ 23.103450] RIP: 0010:lkdtm_WARNING+0x13/0x20 fe70991580(0000) GS:ffff90863ad00000(0000) knlGS:000000000000000<4>[ 23.114884] 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 70 78 2a 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 51 78 0 # [ 22.558299] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[ 23.142321] RSP: 0018:ffffa799813cfe60 EFLAGS: 00010202 50033 # [ 22.565007] CR2: 00007efe7079b000 CR3: 0000000102f08<4>[ 23.154706] RAX: ffffffffbbd7e590 RBX: 0000000000000002 RCX: 0000000000000000 003 CR4: 00000000003706e0 # [ 22.573269] Call Trace: # [ 2<4>[ 23.169155] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffffffffbd1941c0 2.576280] ? __die_body.cold+0x1a/0x1f # [ 22.580955] ? die+<4>[ 23.183642] RBP: ffffffffbd61a7ef R08: 0000000000000000 R09: 0000000000000000 0x2b/0x50 # [ 22.584459] ? do_trap+0x91/0x110 # [ 22.5884<4>[ 23.198110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 48] ? lkdtm_BUG+0x5/0x10 # [ 22.592453] ? do_error_trap+0x9<4>[ 23.212577] R13: ffffa799813cff10 R14: ffffa799813cff10 R15: ffff9085c32a3000 0/0x110 # [ 22.597026] ? lkdtm_BUG+0x5/0x10 # [ 22.601005<4>[ 23.227060] FS: 00007fcf9ad8f580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 ] ? lkdtm_BUG+0x5/0x10 # [ 22.604994] ? exc_invalid_op+0x4e<4>[ 23.242590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x70 # [ 22.609565] ? lkdtm_BUG+0x5/0x10 # [ 22.613554] <4>[ 23.255518] CR2: 00007fcf9ab99000 CR3: 0000000102b38006 CR4: 00000000003706f0 ? asm_exc_invalid_op+0x12/0x20 # [ 22.618515] ? direct_entr<4>[ 23.270036] Call Trace: y+0xe0/0xe0 # [ 22.622894] ? lkdtm_BUG+0x5/0x10 # [ 22.62<4>[ 23.279298] ? __warn+0x80/0x110 6884] direct_entry.cold+0x2c/0x38 # [ 22.631554] full_proxy<4>[ 23.289414] ? lkdtm_WARNING+0x13/0x20 _write+0x53/0x80 # [ 22.636133] vfs_write+0xe7/0x3b0 # [ <4>[ 23.300125] ? report_bug+0x9e/0xc0 22.640123] ksys_write+0x68/0xf0 # [ 22.644111] do_syscall_6<4>[ 23.310528] ? handle_bug+0x41/0x90 4+0x30/0x40 # [ 22.648401] entry_SYSCALL_64_after_hwframe+0x<4>[ 23.320953] ? exc_invalid_op+0x14/0x70 62/0xc7 # [ 22.654332] RIP: 0033:0x7efe708a7473 # [ 22.658<4>[ 23.331730] ? asm_exc_invalid_op+0x12/0x20 611] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[ 23.342939] ? lkdtm_BUG+0x10/0x10 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 <4>[ 23.353252] ? lkdtm_WARNING+0x13/0x20 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48<4>[ 23.363965] direct_entry.cold+0x2c/0x38 89 54 24 18 # [ 22.679885] RSP: 002b:00007ffd5fd724b8 EFLAGS<4>[ 23.374853] full_proxy_write+0x53/0x80 : 00000246 ORIG_RAX: 0000000000000001 # [ 22.688633] RAX: fff<4>[ 23.385646] vfs_write+0xe7/0x3b0 fffffffffffda RBX: 0000000000000004 RCX: 00007efe708a7473 # [ <4>[ 23.395873] ksys_write+0x68/0xf0 22.696895] RDX: 0000000000000004 RSI: 00007efe7079b000 RDI: 000<4>[ 23.406079] do_syscall_64+0x30/0x40 0000000000001 # [ 22.705154] RBP: 00007efe7079b000 R08: 00007<4>[ 23.416577] entry_SYSCALL_64_after_hwframe+0x62/0xc7 efe7079a010 R09: 0000000000000000 # [ 22.713416] R10: fffffff<4>[ 23.428731] RIP: 0033:0x7fcf9aca5473 ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 22.<4>[ 23.439249] 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 721678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<4>[ 23.466744] RSP: 002b:00007ffdeb7a79c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000020000 # [ 22.729941] Modules linked in: fuse ip_tables cr<4>[ 23.481696] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fcf9aca5473 os_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industriali<4>[ 23.496199] RDX: 0000000000000008 RSI: 00007fcf9ab99000 RDI: 0000000000000001 o_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec<4>[ 23.510710] RBP: 00007fcf9ab99000 R08: 00007fcf9ab98010 R09: 0000000000000000 _lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvid<4>[ 23.525164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 eo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmal<4>[ 23.539667] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 loc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dma<4>[ 23.554131] irq event stamp: 0 engine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev vide<4>[ 23.564068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 obuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_b<4>[ 23.577556] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 acklight chromeos_pstore coreboot_table # [ 22.784622] gsmi: <4>[ 23.593231] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 Log Shutdown Reason 0x03 # [ 22.789501] ---[ end trace d62b6f<4>[ 23.608859] softirqs last disabled at (0): [<0000000000000000>] 0x0 016571da9f ]--- # [ 22.794978] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 23.622409] ---[ end trace d62b6f016571daa0 ]--- # [ 22.799656] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 22.820957] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 22.827115] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 22.835409] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 22.843705] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 22.852002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 22.860294] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ <6>[ 23.700115] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 23.708795] ------------[ cut here ]------------ <4>[ 23.714250] Warning message trigger count: 2 22.868587] FS: 00007efe70991580(0000) GS:ffff90863ad00000(000<4>[ 23.719381] WARNING: CPU: 3 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0) knlGS:0000000000000000 # [ 22.877949] CS: 0010 DS: 0000 E<4>[ 23.736089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 23.795086] CPU: 3 PID: 713 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 23.803957] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 23.811056] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 23.816990] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 51 78 2a 03 48 c7 c7 50 ad 61 bd 8d 70 01 89 35 41 78 2a 03 e8 1a 01 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 23.838268] RSP: 0018:ffffa79981457e60 EFLAGS: 00010286 <4>[ 23.844401] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 23.852664] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 23.860929] RBP: ffffffffbd61a7f7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 23.869192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 23.877455] R13: ffffa79981457f10 R14: ffffa79981457f10 R15: ffff9085c2ded000 <4>[ 23.885719] FS: 00007f297c97b580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 23.895050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 23.901762] CR2: 00007f297c785000 CR3: 00000001030b4006 CR4: 00000000003706e0 <4>[ 23.910056] Call Trace: <4>[ 23.913096] ? __warn+0x80/0x110 S: 0000 CR0: 0000000080050033 # [ 22.884689] CR2: 00007efe707<4>[ 23.917001] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 23.928466] ? report_bug+0x9e/0xc0 <4>[ 23.932678] ? handle_bug+0x41/0x90 <4>[ 23.936864] ? exc_invalid_op+0x14/0x70 <4>[ 23.941446] ? asm_exc_invalid_op+0x12/0x20 9b000 CR3: 0000000102f08003 CR4: 00000000003706e0 # BUG: saw 'k<4>[ 23.946412] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 23.957881] direct_entry.cold+0x2c/0x38 <4>[ 23.962577] full_proxy_write+0x53/0x80 <4>[ 23.967177] vfs_write+0xe7/0x3b0 <4>[ 23.971193] ksys_write+0x68/0xf0 <4>[ 23.975186] do_syscall_64+0x30/0x40 <4>[ 23.979470] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: l<4>[ 23.985405] RIP: 0033:0x7f297c891473 <4>[ 23.995901] 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>[ 24.017179] RSP: 002b:00007ffee3634318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.025930] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f297c891473 <4>[ 24.034194] RDX: 0000000000000010 RSI: 00007f297c785000 RDI: 0000000000000001 <4>[ 24.042457] RBP: 00007f297c785000 R08: 00007f297c784010 R09: 0000000000000000 <4>[ 24.050721] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.058985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 24.067254] irq event stamp: 0 kdtm: WARNING.sh # [ 22.977229] lkdtm: Performing direct entr<4>[ 24.070980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 24.084482] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.093912] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.103340] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 24.110633] ---[ end trace d62b6f016571daa1 ]--- y WARNING # [ 22.988473] ------------[ cut here ]------------ # [ 23.000132] WARNING: CPU: 0 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 23.016070] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_tabl<6>[ 24.179037] lkdtm: Performing direct entry EXCEPTION e # [ 23.075041] CPU: 0 PID: 677 Comm: cat Tainted: G D <1>[ 24.190357] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 24.204592] #PF: supervisor write access in kernel mode <1>[ 24.210716] #PF: error_code(0x0002) - not-present page <6>[ 24.216743] PGD 0 P4D 0 <4>[ 24.219859] Oops: 0002 [#2] SMP PTI <4>[ 24.224034] CPU: 0 PID: 746 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 24.232875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 24.239971] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 24.245226] Code: 48 c7 c7 50 ad 61 bd 8d 70 01 89 35 41 78 2a 03 e8 1a 01 68 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>[ 24.266499] RSP: 0018:ffffa7998145fe60 EFLAGS: 00010282 <4>[ 24.272623] RAX: ffffffffbbd7e5e0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 24.280882] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffffffffbd1941e0 <4>[ 24.289142] RBP: ffffffffbd50e1d7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 24.297402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 24.305659] R13: ffffa7998145ff10 R14: ffffa7998145ff10 R15: ffff9085c2a27000 <4>[ 24.313919] FS: 00007fb794ad0580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 24.323239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 24.329945] CR2: 0000000000000000 CR3: 000000010329a003 CR4: 00000000003706f0 <4>[ 24.338204] Call Trace: <4>[ 24.341224] ? __die_body.cold+0x1a/0x1f <4>[ 24.345899] ? no_context+0x177/0x380 <4>[ 24.350280] ? exc_page_fault+0x53/0x170 <4>[ 24.354945] ? asm_exc_page_fault+0x1e/0x30 <4>[ 24.359906] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 24.365158] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 24.369730] direct_entry.cold+0x2c/0x38 <4>[ 24.374400] full_proxy_write+0x53/0x80 <4>[ 24.378979] vfs_write+0xe7/0x3b0 <4>[ 24.382967] ksys_write+0x68/0xf0 <4>[ 24.386956] do_syscall_64+0x30/0x40 <4>[ 24.391234] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 24.397165] RIP: 0033:0x7fb7949e6473 <4>[ 24.401444] 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>[ 24.422718] RSP: 002b:00007ffdb1d71ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.431467] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7949e6473 <4>[ 24.439727] RDX: 000000000000000a RSI: 00007fb7948da000 RDI: 0000000000000001 <4>[ 24.447987] RBP: 00007fb7948da000 R08: 00007fb7948d9010 R09: 0000000000000000 <4>[ 24.456247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.464506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 24.472770] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 24.525541] CR2: 0000000000000000 <4>[ 24.529520] ---[ end trace d62b6f016571daa2 ]--- <4>[ 24.534957] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 24.539623] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 24.560896] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 24.567019] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 24.575279] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 24.583537] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 24.591798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 24.600058] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 24.608319] FS: 00007fb794ad0580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 24.617647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 24.624353] CR2: 0000000000000000 CR3: 000000010329a003 CR4: 00000000003706f0 <3>[ 24.632613] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 24.642817] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 24.651466] INFO: lockdep is turned off. <4>[ 24.656131] irq event stamp: 0 <4>[ 24.659827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 24.667117] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.676543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.685969] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 24.693259] CPU: 0 PID: 746 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 24.702093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 24.709187] Call Trace: <4>[ 24.712206] dump_stack+0x77/0x9b <4>[ 24.716195] ___might_sleep.cold+0xa6/0xb6 <4>[ 24.721050] exit_signals+0x1c/0x300 <4>[ 24.725334] do_exit+0xc2/0xab0 <4>[ 24.729128] ? ksys_write+0x68/0xf0 <4>[ 24.733313] make_task_dead+0x2f/0x30 <4>[ 24.737689] rewind_stack_and_make_dead+0x17/0x20 <4>[ 24.743229] RIP: 0033:0x7fb7949e6473 <4>[ 24.747509] 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>[ 24.768773] RSP: 002b:00007ffdb1d71ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 24.777511] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7949e6473 <4>[ 24.785770] RDX: 000000000000000a RSI: 00007fb7948da000 RDI: 0000000000000001 <4>[ 24.794028] RBP: 00007fb7948da000 R08: 00007fb7948d9010 R09: 0000000000000000 <4>[ 24.802287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 24.810547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 W 5.10.210-cip44 #1 # [ 23.090100] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 23.103450] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 23.114884] 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 70 78 2a 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 51 78 # [ 23.142321] RSP: 0018:ffffa799813cfe60 EFLAGS: 00010202 # [ 23.154706] RAX: ffffffffbbd7e590 RBX: 0000000000000002 RCX: 0000000000000000 # [ 23.169155] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffffffffbd1941c0 # [ 23.183642] RBP: ffffffffbd61a7ef R08: 0000000000000000 R09: 0000000000000000 # [ 23.198110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 23.212577] R13: ffffa799813cff10 R14: ffffa799813cff10 R15: ffff9085c32a3000 # [ 23.227060] FS: 00007fcf9ad8f580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 23.242590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.255518] CR2: 00007fcf9ab99000 CR3: 0000000102b38006 CR4: 00000000003706f0 # [ 23.270036] Call Trace: # [ 23.279298] ? __warn+0x80/0x110 # [ 23.289414] ? lkdtm_WARNING+0x13/0x20 # [ 23.300125] ? report_bug+0x9e/0xc0 # [ 23.310528] ? handle_bug+0x41/0x90 # [ 23.320953] ? exc_invalid_op+0x14/0x70 # [ 23.331730] ? asm_exc_invalid_op+0x12/0x20 # [ 23.342939] ? lkdtm_BUG+0x10/0x10 # [ 23.353252] ? lkdtm_WARNING+0x13/0x20 # [ 23.363965] direct_entry.cold+0x2c/0x38 # [ 23.374853] full_proxy_write+0x53/0x80 # [ 23.385646] vfs_write+0xe7/0x3b0 # [ 23.395873] ksys_write+0x68/0xf0 # [ 23.406079] do_syscall_64+0x30/0x40 # [ 23.416577] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 23.428731] RIP: 0033:0x7fcf9aca5473 # [ 23.439249] 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 # [ 23.466744] RSP: 002b:00007ffdeb7a79c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 23.481696] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000<6>[ 25.027459] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 25.036668] lkdtm: attempting good list addition <6>[ 25.042118] lkdtm: attempting corrupted list addition <3>[ 25.048060] lkdtm: list_add() corruption not detected! 7fcf9aca5473 # [ 23.496199] RDX: 0000000000000008 RSI: 00007fcf9ab99000 RDI: 0000000000000001 # [ 23.510710] RBP: 00007fcf9ab99000 R08: 00007fcf9ab98010 R09: 0000000000000000 # [ 23.525164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 23.539667] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 23.554131] irq event stamp: 0 # [ 23.564068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 23.577556] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 23.593231] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 23.608859] softirqs last disabled at (0): [<0<6>[ 25.122465] lkdtm: Performing direct entry CORRUPT_LIST_DEL 000000000000000>] 0x0 # [ 23.622409] ---[ end trace d62b6f016<6>[ 25.129033] lkdtm: attempting good list removal <6>[ 25.140597] lkdtm: attempting corrupted list removal 571daa0 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkd<3>[ 25.146462] lkdtm: list_del() corruption not detected! tm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 23.700115] lkdtm: Performing direct entry WARNING_MESSAGE # [ 23.708795] ------------[ cut here ]------------ # [ 23.714250] Warning message trigger count: 2 # [ 23.719381] WARNING: CPU: 3 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 23.736089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_le<6>[ 25.233418] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 25.246820] lkdtm: attempting bad read from page below current stack <0>[ 25.254241] BUG: stack guard page was hit at 00000000c741b6d1 (stack is 000000004cc8a509..00000000a3aa014f) d_backlight chromeos_pstore coreboot_table # [ 23.795086] CPU<4>[ 25.265427] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 25.278735] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 25.287579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.294678] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 25.301481] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 b0 61 bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 29 de fb ff 48 c7 c7 30 b1 61 bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0f de fb ff 0f 1f 44 <4>[ 25.322753] RSP: 0018:ffffa79981827e50 EFLAGS: 00010246 <4>[ 25.328878] RAX: 0000000000000038 RBX: ffffa79981824000 RCX: 0000000000000000 <4>[ 25.337135] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd61b130 <4>[ 25.345395] RBP: ffffffffbd61a85a R08: 0000000000000000 R09: 0000000000000000 <4>[ 25.353646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 25.361906] R13: ffffa79981827f10 R14: ffffa79981827f10 R15: ffff9085c2ec5000 <4>[ 25.370165] FS: 00007faf71121580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 25.379492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.386198] CR2: ffffa79981823fff CR3: 000000010372a001 CR4: 00000000003706e0 <4>[ 25.394457] Call Trace: <4>[ 25.397474] <#DF> <4>[ 25.400007] ? __die_body.cold+0x1a/0x1f <4>[ 25.404677] ? die+0x2b/0x50 <4>[ 25.408179] ? handle_stack_overflow+0x3e/0x4d <4>[ 25.413421] ? no_context+0x24d/0x380 <4>[ 25.417787] <4>[ 25.420414] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table : 3 PID: 713 Comm: cat Tainted: G D W 5.10.210-cip4<4>[ 25.473214] ---[ end trace d62b6f016571daa3 ]--- <4>[ 25.484871] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 25.489538] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 25.510812] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 25.516935] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 25.525194] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 25.533452] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 25.541712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 25.549971] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 25.558232] FS: 00007faf71121580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 25.567559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.574265] CR2: ffffa79981823fff CR3: 000000010372a001 CR4: 00000000003706e0 4 #1 # [ 23.803957] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 23.811056] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 23.816990] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 51 78 2a 03 48 c7 c7 50 ad 61 bd 8d 70 01 89 35 41 78 2a 03 e8 1a 01 68 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 23.838268] RSP: 0018:ffffa79981457e60 EFLAGS: 00010286 # [ 23.844401] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 23.852664] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 23.860929] RBP: ffffffffbd61a7f7 R08: 0000000000000000 R09: 0000000000000000 # [ 23.869192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 23.877455] R13: ffffa79981457f10 R14: ffffa79981457f10 R15: ffff9085c2de<6>[ 25.661311] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 25.670745] lkdtm: attempting bad read from page above current stack <0>[ 25.678169] BUG: stack guard page was hit at 00000000a23dda5a (stack is 00000000a30755f6..0000000047bfe9a8) <4>[ 25.689375] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 25.696470] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 25.705407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.712505] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 25.719405] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b1 61 bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ef dd fb ff 48 c7 c7 a8 b1 61 bd <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d2 dd fb ff <4>[ 25.740677] RSP: 0018:ffffa799818afe50 EFLAGS: 00010246 <4>[ 25.746793] RAX: 0000000000000038 RBX: ffffa799818ac000 RCX: 0000000000000000 <4>[ 25.755052] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd61b1a8 <4>[ 25.763312] RBP: ffffffffbd61a873 R08: 0000000000000000 R09: 0000000000000000 <4>[ 25.771572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 25.779830] R13: ffffa799818aff10 R14: ffffa799818aff10 R15: ffff9085c2f0a000 <4>[ 25.788088] FS: 00007f90c328e580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 25.797416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.804122] CR2: ffffa799818b0000 CR3: 0000000102b36005 CR4: 00000000003706e0 <4>[ 25.812397] Call Trace: <4>[ 25.815414] <#DF> <4>[ 25.817948] ? __die_body.cold+0x1a/0x1f <4>[ 25.822618] ? die+0x2b/0x50 <4>[ 25.826121] ? handle_stack_overflow+0x3e/0x4d <4>[ 25.831388] ? no_context+0x24d/0x380 d000 # [ 23.885719] FS: 00007f297c97b580(0000) GS:ffff90863a<4>[ 25.835762] d8<0000(0000) knlGS:0000000000000000 # [ 23.895050] CS: 0010 4>[ 25.844602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 25.903592] ---[ end trace d62b6f016571daa4 ]--- <4>[ 25.909036] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 25.913702] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 25.934972] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 25.941096] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 25.949357] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 25.957616] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 25.965877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 25.974136] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 25.982398] FS: 00007f90c328e580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 25.991725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.998444] CR2: ffffa799818b0000 CR3: 0000000102b36005 CR4: 00000000003706e0 <3>[ 26.006709] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 26.016900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1012, name: cat <4>[ 26.025645] INFO: lockdep is turned off. <4>[ 26.030310] irq event stamp: 0 <4>[ 26.034007] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 26.041297] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.050714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.060139] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 26.067427] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 26.076367] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 26.083483] Call Trace: <4>[ 26.086501] dump_stack+0x77/0x9b <4>[ 26.090490] ___might_sleep.cold+0xa6/0xb6 <4>[ 26.095353] exit_signals+0x1c/0x300 <4>[ 26.099632] do_exit+0xc2/0xab0 <4>[ 26.103428] ? ksys_write+0x68/0xf0 <4>[ 26.107630] make_task_dead+0x2f/0x30 <4>[ 26.112006] rewind_stack_and_make_dead+0x17/0x20 <4>[ 26.117539] RIP: 0033:0x7f90c31a4473 <4>[ 26.121817] 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>[ 26.143088] RSP: 002b:00007ffc9d5b2738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 26.151825] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f90c31a4473 <4>[ 26.160083] RDX: 000000000000001a RSI: 00007f90c3098000 RDI: 0000000000000001 <4>[ 26.168342] RBP: 00007f90c3098000 R08: 00007f90c3097010 R09: 0000000000000000 <4>[ 26.176600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 26.184859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.901762] CR2: 00007f297c785000 CR3: 00000001030b4006 CR4: 00000000003706e0 # [ 23.910056] Call Trace: # [ 23.913096] ? __warn+0x80/0x110 # [ 23.917001] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 23.928466] ? report_bug+0x9e/0xc0 # [ 23.932678] ? handle_bug+0x41/0x90 # [ 23.936864] ? exc_invalid_op+0x14/0x70 # [ 23.941446] ? asm_exc_invalid_op+0x12/0x20 # [ 23.946412] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 23.957881] direct_entry.cold+0x2c/0x38 # [ 23.962577] full_proxy_write+0x53/0x80 # [ 23.967177] vfs_write+0xe7/0x3b0 # [ 23.971193] ksys_write+0x68/0xf0 # [ 23.975186] do_syscall_64+0x30/0x40 # [ 23.979470] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 23.985405] RIP: 0033:0x7f297c891473 # [ 23.995901] 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 f<6>[ 26.282415] lkdtm: Performing direct entry UNSET_SMEP <6>[ 26.292315] lkdtm: trying to clear SMEP normally <4>[ 26.297765] ------------[ cut here ]------------ <4>[ 26.303221] pinned CR4 bits changed: 0x100000!? <4>[ 26.308576] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 2<4>[ 26.319096] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 26.378049] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 26.386990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 26.394089] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 26.399537] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 50 86 02 00 75 f2 48 c7 c7 78 82 51 bd c6 05 28 50 86 02 01 e8 95 c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 26.420813] RSP: 0018:ffffa79981957e48 EFLAGS: 00010286 <4>[ 26.426941] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 26.435202] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 26.443467] RBP: ffffffffbd61a88d R08: 0000000000000000 R09: 0000000000000000 <4>[ 26.451729] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 26.459993] R13: ffffa79981957f10 R14: ffffa79981957f10 R15: ffff9085c43b4000 <4>[ 26.468255] FS: 00007fd27c535580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 26.477586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 26.484294] CR2: 00007fd27c33f000 CR3: 0000000104f38001 CR4: 00000000003706e0 <4>[ 26.492557] Call Trace: <4>[ 26.495582] ? __warn+0x80/0x110 <4>[ 26.499507] ? native_write_cr4+0x45/0x60 <4>[ 26.504277] ? report_bug+0x9e/0xc0 <4>[ 26.508489] ? handle_bug+0x41/0x90 <4>[ 26.512704] ? exc_invalid_op+0x14/0x70 <4>[ 26.517279] ? asm_exc_invalid_op+0x12/0x20 <4>[ 26.522245] ? native_write_cr4+0x45/0x60 <4>[ 26.527039] ? native_write_cr4+0x45/0x60 <4>[ 26.531807] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 26.536965] direct_entry.cold+0x2c/0x38 <4>[ 26.541636] full_proxy_write+0x53/0x80 <4>[ 26.546235] vfs_write+0xe7/0x3b0 <4>[ 26.550226] ksys_write+0x68/0xf0 4.017179] RSP: 002b:00007ffee3634318 EFLAGS: 00000246 ORIG_RAX: <4>[ 26.554223] do_syscall_64+0x30/0x40 <4>[ 26.564718] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 26.570680] RIP: 0033:0x7fd27c44b473 <4>[ 26.574965] 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>[ 26.596240] RSP: 002b:00007ffd7cc6b568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 26.605010] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd27c44b473 0000000000000001 # [ 24.025930] RAX: ffffffffffffffda RBX: 00<4>[ 26.613284] RDX: 000000000000000b RSI: 00007fd27c33f000 RDI: 0000000000000001 <4>[ 26.627756] RBP: 00007fd27c33f000 R08: 00007fd27c33e010 R09: 0000000000000000 <4>[ 26.636017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 26.644279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 26.652545] irq event stamp: 0 <4>[ 26.656275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 26.663568] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.672995] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 26.682423] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 26.689734] ---[ end trace d62b6f016571daa5 ]--- <6>[ 26.695182] lkdtm: ok: SMEP did not get cleared <6>[ 26.700531] lkdtm: trying to clear SMEP with call gadget <6>[ 26.706754] lkdtm: ok: SMEP removal was reverted 00000000000010 RCX: 00007f297c891473 # [ 24.034194] RDX: 0000000000000010 RSI: 00007f297c785000 RDI: 0000000000000001 # [ 24.042457] RBP: 00007f297c785000 R08: 00007f297c784010 R09: 0000000000000000 # [ 24.050721] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.058985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 24.067254] irq event stamp: 0 # [ 24.070980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.084482] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.093912] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.103340] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 24.110633] ---[ end trace d62b6f016571daa1 ]--- # WARNING_MESSAGE: saw 'me<6>[ 26.786839] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 26.799159] lkdtm: XFAIL: this test is ia32-only ssage trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 24.179037] lkdtm: Performing direct entry EXCEPTION # [ 24.190357] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 24.204592] #PF: supervisor write access in kernel mode # [ 24.210716] #PF: error_code(0x0002) - not-present page # [ 24.216743] PGD 0 P4D 0 # [ 24.219859] Oops: 0002 [#2] SMP PTI # [ 24.224034] CPU: 0 PID: 746 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 24.232875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 24.239971] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 24.245226] Code: 48 c7 c7 50 ad 61 bd 8d 70 01 89 35 41 78 2a 03 e8 1a 01 68 00 0f 0b c3 cc cc cc cc 66<6>[ 26.874857] lkdtm: Performing direct entry CORRUPT_PAC 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 0<3>[ 26.885296] lkdtm: XFAIL: this test is arm64-only 0 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 24.266499] RSP: 0018:ffffa7998145fe60 EFLAGS: 00010282 # [ 24.272623] RAX: ffffffffbbd7e5e0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 24.280882] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffffffffbd1941e0 # [ 24.289142] RBP: ffffffffbd50e1d7 R08: 0000000000000000 R09: 0000000000000000 # [ 24.297402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 24.305659] R13: ffffa7998145ff10 R14: ffffa7998145ff10 R15: ffff9085c2a27000 # [ 24.313919] FS: 00007fb794ad0580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 24.323239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.329945] CR2: 0000000000000000 CR3: 000000010329a003 CR4: 000000000037<6>[ 26.967290] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 06f0 # [ 24.338204] Call Trace: # [ 24.341224] ? __die_bo<3>[ 26.979151] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS dy.cold+0x1a/0x1f # [ 24.345899] ? no_context+0x177/0x380 # [ 24.350280] ? exc_page_fault+0x53/0x170 # [ 24.354945] ? asm_exc_page_fault+0x1e/0x30 # [ 24.359906] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 24.365158] ? lkdtm_EXCEPTION+0x5/0x20 # [ 24.369730] direct_entry.cold+0x2c/0x38 # [ 24.374400] full_proxy_write+0x53/0x80 # [ 24.378979] vfs_write+0xe7/0x3b0 # [ 24.382967] ksys_write+0x68/0xf0 # [ 24.386956] do_syscall_64+0x30/0x40 # [ 24.391234] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 24.397165] RIP: 0033:0x7fb7949e6473 # [ 24.401444] 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 # [ 24.422718] RSP: 002b:00007ffdb1d71ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 24.431467] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7949e6473 # [ 24.439727] RDX: 000000000000000a RSI: 00007fb7948da000 RDI: 0000000000000001 # [ 24.447987] RBP: 00007fb7948da000 R08: 00007fb7948d9010 R09: 0000000000000000 # [ 24.456247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.464506] R13: 0000000000000001 R14: 000000000002000<6>[ 27.112500] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 27.123943] lkdtm: Value in memory before free: 12345678 0 R15: 0000000000020000 # [ 24.472770] Modules linked in: fus<6>[ 27.130184] lkdtm: Attempting bad read from freed memory <6>[ 27.142634] lkdtm: Memory was not poisoned e ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 24.525541] CR2: 0000000000000000 # [ 24.529520] ---[ end trace d62b6f016571daa2 ]--- # [ 24.534957] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 24.539623] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 24.560896] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 24.567019] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 24.575279] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 24.583537] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 24.591798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 24.600058] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 24.608319] FS: 00007fb794ad0580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 24.617647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.624353] CR2: 000000<6>[ 27.294684] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 27.303661] lkdtm: Value in memory before free: 12345678 <6>[ 27.309908] lkdtm: Attempting to read from freed memory <6>[ 27.316038] lkdtm: Buddy page was not poisoned 0000000000 CR3: 000000010329a003 CR4: 00000000003706f0 # [ 24.632613] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 24.642817] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat # [ 24.651466] INFO: lockdep is turned off. # [ 24.656131] irq event stamp: 0 # [ 24.659827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.667117] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.676543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.685969] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 24.693259] CPU: 0 PID: 746 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 24.702093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 24.709187] Call Trace: # [ 24.712206] dump_stack+0x77/0x9b # [ 24.716195] ___might_sleep.cold+0xa6/0xb6 # [ 24.721050] exit_signals+0x1c/0x300 # [ 24.725334] do_exit+0xc2/0xab0 # [ 24.729128] ? ksys_write+0x68/0xf0 # [ 24.733313] make_task_dead+0x2f/0x30 # [ 24.737689] rewind_stack_and_make_dead+0x17/0x20 # [ 24.743229] RIP: 0033:0x7fb7949e647<6>[ 27.433577] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 3 # [ 24.747509] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7<6>[ 27.445968] lkdtm: Attempting double slab free ... c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 24.768773] RSP: 002b:00007ffdb1d71ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 24.777511] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7949e6473 # [ 24.785770] RDX: 000000000000000a RSI: 00007fb7948da000 RDI: 0000000000000001 # [ 24.794028] RBP: 00007fb7948da000 R08: 00007fb7948d9010 R09: 0000000000000000 # [ 24.802287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 24.810547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh <6>[ 27.532141] lkdtm: Performing direct entry SLAB_FREE_CROSS # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.s<6>[ 27.538827] lkdtm: Attempting cross-cache slab free ... h # 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 # [ 25.027459] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 25.036668] lkdtm: attempting good list addition # [ 25.042118] lkdtm: attempting corrupted list addition # [ 25.048060] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: mi<6>[ 27.621891] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 27.632063] lkdtm: Attempting non-Slab slab free ... ssing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 25.122465] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 25.129033] lkdtm: attempting good list removal # [ 25.140597] lkdtm: attempting corrupted list removal # [ 25.146462] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 25.233418] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 25.246820] lkdtm: attempting bad read from page below current stack # [ 25.254241] BUG: stack guard page was hit at 00000000c741b6d1 (stack is 000000004cc8a509..00000000a3aa014f) # [ 25.265427] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 25.278735] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 25.287579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 25.294678] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 25.301481] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 b0 61 bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 29 de fb ff 48 c7 c7 30 b1 61 bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0f de fb ff 0f 1f 44 # [ 25.322753] RSP: 0018:ffffa79981827e50 EFLAGS: 00010246 # [ 25.328878] RAX: 0000000000000038 RBX: ffffa79981824000 RCX: 0000000000000000 # [ 25.337135] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd61b130 # [ 25.345395] RBP: ffffffffbd61a85a R08: 0000000000000000 R09: 0000000000000000 # [ 25.353646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 25.361906] R13: ffffa79981827f10 R14: ffffa79981827f10 R15: ffff9085c2ec5000 # [ 25.370165] FS: 00007faf71121580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 25.379492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.386198] CR2: ffffa79981823fff CR3: 000000010372a001 CR4: 00000000003706e0 # [ 25.394457] Call Trace: # [ 25.397474] <#DF> # [ 25.400007] ? __die_body.cold+0x1a/0x1f # [ 25.404677] ? die+0x2b/0x50 # [ 25.408179] ? handle_stack_overflow+0x3e/0x4d # [ 25.413421] ? no_context+0x24d/<6>[ 27.859886] lkdtm: Performing direct entry EXEC_DATA <6>[ 27.867546] lkdtm: attempting ok execution at ffffffffbbd7e950 <6>[ 27.874404] lkdtm: attempting bad execution at ffffffffbf025e40 0x380 # [ 25.417787] # [ 25.420414] Modules linked<2>[ 27.881323] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 27.896172] BUG: unable to handle page fault for address: ffffffffbf025e40 <1>[ 27.904140] #PF: supervisor instruction fetch in kernel mode <1>[ 27.910748] #PF: error_code(0x0011) - permissions violation <6>[ 27.917259] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 800000015b8000e3 <4>[ 27.925327] Oops: 0011 [#5] SMP PTI <4>[ 27.929508] CPU: 2 PID: 1572 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 27.938456] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 27.945552] RIP: 0010:data_area+0x0/0x40 <4>[ 27.950217] Code: ff ff 00 5b aa c4 85 90 ff ff 00 5a aa c4 85 90 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>[ 27.971489] RSP: 0018:ffffa7998215fe48 EFLAGS: 00010246 <4>[ 27.977613] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 27.985873] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 27.994134] RBP: ffffffffbf025e40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.002395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 28.010654] R13: ffffa7998215ff10 R14: ffffa7998215ff10 R15: ffff9085c30c5000 <4>[ 28.018913] FS: 00007f6c0fdef580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 28.028242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.034948] CR2: ffffffffbf025e40 CR3: 0000000104390002 CR4: 00000000003706e0 <4>[ 28.043207] Call Trace: <4>[ 28.046226] ? __die_body.cold+0x1a/0x1f <4>[ 28.050894] ? no_context+0x177/0x380 <4>[ 28.055273] ? exc_page_fault+0xd7/0x170 <4>[ 28.059941] ? asm_exc_page_fault+0x1e/0x30 <4>[ 28.064897] ? execute_location+0x45/0x56 <4>[ 28.069662] ? direct_entry.cold+0x2c/0x38 <4>[ 28.074526] ? full_proxy_write+0x53/0x80 <4>[ 28.079292] ? vfs_write+0xe7/0x3b0 <4>[ 28.083474] ? ksys_write+0x68/0xf0 <4>[ 28.087647] ? do_syscall_64+0x30/0x40 <4>[ 28.092120] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_se<4>[ 28.098247] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 28.157230] CR2: ffffffffbf025e40 <4>[ 28.161218] ---[ end trace d62b6f016571daa6 ]--- <4>[ 28.166663] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 28.171329] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 28.192600] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 28.198724] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.206984] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 28.215242] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 28.223503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 28.231763] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 28.240025] FS: 00007f6c0fdef580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 28.249345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.256049] CR2: ffffffffbf025e40 CR3: 0000000104390002 CR4: 00000000003706e0 <3>[ 28.264308] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 28.274510] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat <4>[ 28.283253] INFO: lockdep is turned off. <4>[ 28.287919] irq event stamp: 0 <4>[ 28.291617] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 28.298907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 28.308325] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 28.317741] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 28.325032] CPU: 2 PID: 1572 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 28.333972] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.341065] Call Trace: <4>[ 28.344084] dump_stack+0x77/0x9b <4>[ 28.348074] ___might_sleep.cold+0xa6/0xb6 <4>[ 28.352937] exit_signals+0x1c/0x300 <4>[ 28.357215] do_exit+0xc2/0xab0 <4>[ 28.361009] ? ksys_write+0x68/0xf0 <4>[ 28.365182] make_task_dead+0x2f/0x30 <4>[ 28.369550] rewind_stack_and_make_dead+0x17/0x20 <4>[ 28.375094] RIP: 0033:0x7f6c0fd05473 nsors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_bu<4>[ 28.379375] 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>[ 28.406858] RSP: 002b:00007fff05cf2228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 28.415603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c0fd05473 <4>[ 28.423863] RDX: 000000000000000a RSI: 00007f6c0fbf9000 RDI: 0000000000000001 <4>[ 28.432122] RBP: 00007f6c0fbf9000 R08: 00007f6c0fbf8010 R09: 0000000000000000 <4>[ 28.440398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 28.448656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 25.473214] ---[ end trace d62b6f016571daa3 ]--- # [ 25.484871] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 25.489538] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 25.510812] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 25.516935] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 25.525194] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 25.533452] RBP: fffff<6>[ 28.549187] lkdtm: Performing direct entry EXEC_STACK <6>[ 28.556115] lkdtm: attempting ok execution at ffffffffbbd7e950 <6>[ 28.562932] lkdtm: attempting bad execution at ffffa799821f7e18 <2>[ 28.569852] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 28.578505] BUG: unable to handle page fault for address: ffffa799821f7e18 <1>[ 28.586472] #PF: supervisor instruction fetch in kernel mode <1>[ 28.593079] #PF: error_code(0x0011) - permissions violation <6>[ 28.599589] PGD 100000067 P4D 100000067 PUD 100245067 PMD 102e48067 PTE 8000000105ad5063 <4>[ 28.608921] Oops: 0011 [#6] SMP PTI <4>[ 28.613105] CPU: 2 PID: 1609 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 28.622043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.629138] RIP: 0010:0xffffa799821f7e18 <4>[ 28.633806] Code: 00 00 18 7e 1f 82 99 a7 ff ff ee 66 44 bc ff ff ff ff 20 00 00 00 00 00 00 00 b6 a9 61 bd ff ff ff ff 1d 68 44 bc 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>[ 28.655078] RSP: 0018:ffffa799821f7df8 EFLAGS: 00010246 <4>[ 28.661201] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.669460] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 28.677718] RBP: ffffa799821f7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.685979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 28.694237] R13: ffffa799821f7f10 R14: ffffa799821f7f10 R15: ffff9085c2ec4000 <4>[ 28.702497] FS: 00007f29916ff580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 28.711825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.718530] CR2: ffffa799821f7e18 CR3: 0000000102de2005 CR4: 00000000003706e0 <4>[ 28.726788] Call Trace: <4>[ 28.729809] ? __die_body.cold+0x1a/0x1f <4>[ 28.734477] ? no_context+0x177/0x380 <4>[ 28.738857] ? exc_page_fault+0xd7/0x170 <4>[ 28.743525] ? asm_exc_page_fault+0x1e/0x30 <4>[ 28.748489] ? execute_location+0x45/0x56 <4>[ 28.753252] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 28.758020] ? direct_entry.cold+0x2c/0x38 <4>[ 28.762884] ? full_proxy_write+0x53/0x80 <4>[ 28.767649] ? vfs_write+0xe7/0x3b0 <4>[ 28.771824] ? ksys_write+0x68/0xf0 <4>[ 28.776006] ? do_syscall_64+0x30/0x40 <4>[ 28.780479] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 fffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 2<4>[ 28.786606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 28.845590] CR2: ffffa799821f7e18 <4>[ 28.849578] ---[ end trace d62b6f016571daa7 ]--- <4>[ 28.855024] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 28.859690] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 28.880954] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 28.887077] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.895336] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 28.903596] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 28.911857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 28.920117] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 28.928397] FS: 00007f29916ff580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 28.937723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.944442] CR2: ffffa799821f7e18 CR3: 0000000102de2005 CR4: 00000000003706e0 5.541712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 25.549971] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 25.558232] FS: 00007faf71121580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 25.567559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.574265] CR2: ffffa79981823fff CR3: 000000010372a001 CR4: 00000000003706e0 # 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 # [ 25.661311] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 25.670745] lkdtm: attempting bad read from page above current stack # [ 25.678169] BUG: stack guard page was hit at 00000000a23dda5a (stack is 00000000a30755f6..0000000047bfe9a8) # [ 25.689375] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 25.696470] CPU: 2 PID: 1012 Comm: <6>[ 29.041672] lkdtm: Performing direct entry EXEC_KMALLOC cat Tainted: G D W 5.10.210-cip44 #1 # [ 25.7054<6>[ 29.052141] lkdtm: attempting ok execution at ffffffffbbd7e950 07] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <6>[ 29.065137] lkdtm: attempting bad execution at ffff9085c2dfe040 25.712505] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <2>[ 29.078278] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 29.093103] BUG: unable to handle page fault for address: ffff9085c2dfe040 <1>[ 29.101071] #PF: supervisor instruction fetch in kernel mode <1>[ 29.107680] #PF: error_code(0x0011) - permissions violation <6>[ 29.114190] PGD 15ba01067 P4D 15ba01067 PUD 10087f063 PMD 102dbd063 PTE 8000000102dfe063 <4>[ 29.123527] Oops: 0011 [#7] SMP PTI <4>[ 29.127701] CPU: 0 PID: 1646 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 29.136640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.143735] RIP: 0010:0xffff9085c2dfe040 <4>[ 29.148402] Code: ff ff 90 e9 df c2 85 90 ff ff 80 4a 57 c3 85 90 ff ff 00 2c f5 c4 85 90 ff ff 00 6c 0c 84 99 df ff ff 00 00 1b c3 85 90 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>[ 29.169664] RSP: 0018:ffffa7998227fe38 EFLAGS: 00010246 <4>[ 29.175786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.184046] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 <4>[ 29.192307] RBP: ffff9085c2dfe040 R08: 0000000000000000 R09: 0000000000000000 <4>[ 29.200566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 29.208825] R13: ffffa7998227ff10 R14: ffffa7998227ff10 R15: ffff9085c6071000 <4>[ 29.217085] FS: 00007fee5f6fc580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 29.226412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.233119] CR2: ffff9085c2dfe040 CR3: 00000001032be006 CR4: 00000000003706f0 <4>[ 29.241395] Call Trace: <4>[ 29.244415] ? __die_body.cold+0x1a/0x1f <4>[ 29.249110] ? no_context+0x177/0x380 <4>[ 29.253489] ? exc_page_fault+0xd7/0x170 <4>[ 29.258163] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.263127] ? execute_location+0x45/0x56 <4>[ 29.267898] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 29.272847] ? direct_entry.cold+0x2c/0x38 <4>[ 29.277712] ? full_proxy_write+0x53/0x80 <4>[ 29.282479] ? vfs_write+0xe7/0x3b0 <4>[ 29.286661] ? ksys_write+0x68/0xf0 <4>[ 29.290835] ? do_syscall_64+0x30/0x40 <4>[ 29.295299] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 29.301442] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 29.354204] CR2: ffff9085c2dfe040 <4>[ 29.358192] ---[ end trace d62b6f016571daa8 ]--- <4>[ 29.363628] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.368294] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 29.389565] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 29.395681] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.403939] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 29.412199] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.420457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.428715] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 29.436975] FS: 00007fee5f6fc580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 29.446300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.453005] CR2: ffff9085c2dfe040 CR3: 00000001032be006 CR4: 00000000003706f0 <3>[ 29.461265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 29.471467] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat <4>[ 29.480211] INFO: lockdep is turned off. <4>[ 29.484877] irq event stamp: 0 <4>[ 29.488573] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 29.495860] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 29.505287] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 29.514702] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 29.521990] CPU: 0 PID: 1646 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 29.530929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.538024] Call Trace: <4>[ 29.541043] dump_stack+0x77/0x9b <4>[ 29.545031] ___might_sleep.cold+0xa6/0xb6 <4>[ 29.549895] exit_signals+0x1c/0x300 <4>[ 29.554175] do_exit+0xc2/0xab0 <4>[ 29.557969] ? ksys_write+0x68/0xf0 <4>[ 29.562151] make_task_dead+0x2f/0x30 <4>[ 29.566530] rewind_stack_and_make_dead+0x17/0x20 <4>[ 29.572077] RIP: 0033:0x7fee5f612473 <4>[ 29.576349] 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>[ 29.597619] RSP: 002b:00007ffdccf17f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 29.606366] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fee5f612473 <4>[ 29.614624] RDX: 000000000000000d RSI: 00007fee5f506000 RDI: 0000000000000001 <4>[ 29.622883] RBP: 00007fee5f506000 R08: 00007fee5f505010 R09: 0000000000000000 <4>[ 29.631141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 29.639401] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 25.719405] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 68 b1 61 bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ef dd fb ff 48 c7 c7 a8 b1 61 bd <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d2 dd fb ff # [ 25.740677] RSP: 0018:ffffa799818afe50 EFLAGS: 00010246 # [ 25.746793] RAX: 0000000000000038 RBX: ffffa799818ac000 RCX: 0000000000000000 # [ 25.755052] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd61b1a8 # [ 25.763312] RBP: ffffffffbd61a873 R08: 0000000000000000 R09: 0000000000000000 # [ 25.771572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 25.779830] R13: ffffa799818aff10 R14: ffffa799818aff10 R15: ffff9085c2f0a000 # [ 25.788088] FS: 00007f90c328e580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 25.797416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.804122] CR2: ffffa799818b0000 CR3: 0000000102b36005 CR4: 00000000003706e0 # [ 25.812397] Call Trace: # [ 25.815414] <#DF> # [ 25.817948] ? _<6>[ 29.742104] lkdtm: Performing direct entry EXEC_VMALLOC _die_body.cold+0x1a/0x1f # [ 25.822618] ? die+0x2b/0x50 # [<6>[ 29.753283] lkdtm: attempting ok execution at ffffffffbbd7e950 25.826121] ? handle_stack_overflow+0x3e/0x4d # [ 25.83138<6>[ 29.766322] lkdtm: attempting bad execution at ffffa79980379000 8] ? no_context+0x24d/0x380 # [ 25.835762] # [ 25<2>[ 29.779425] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 29.794267] BUG: unable to handle page fault for address: ffffa79980379000 <1>[ 29.802227] #PF: supervisor instruction fetch in kernel mode <1>[ 29.808836] #PF: error_code(0x0011) - permissions violation <6>[ 29.815348] PGD 100000067 P4D 100000067 PUD 100245067 PMD 100bad067 PTE 8000000102780063 <4>[ 29.824684] Oops: 0011 [#8] SMP PTI <4>[ 29.828868] CPU: 0 PID: 1683 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 29.837809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.844904] RIP: 0010:0xffffa79980379000 <4>[ 29.849572] Code: Unable to access opcode bytes at RIP 0xffffa79980378fd6. <4>[ 29.857538] RSP: 0018:ffffa799822efe38 EFLAGS: 00010246 <4>[ 29.863662] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.871921] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 <4>[ 29.880180] RBP: ffffa79980379000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 29.888444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 29.896702] R13: ffffa799822eff10 R14: ffffa799822eff10 R15: ffff9085c2780000 <4>[ 29.904962] FS: 00007ff69365c580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 29.914290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.920995] CR2: ffffa79980378fd6 CR3: 00000001028f6005 CR4: 00000000003706f0 <4>[ 29.929255] Call Trace: <4>[ 29.932276] ? __die_body.cold+0x1a/0x1f <4>[ 29.936952] ? no_context+0x177/0x380 <4>[ 29.941329] ? exc_page_fault+0xd7/0x170 <4>[ 29.946002] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.950957] ? execute_location+0x45/0x56 <4>[ 29.955729] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 29.960689] ? direct_entry.cold+0x2c/0x38 <4>[ 29.965553] ? full_proxy_write+0x53/0x80 <4>[ 29.970320] ? vfs_write+0xe7/0x3b0 <4>[ 29.974503] ? ksys_write+0x68/0xf0 <4>[ 29.978686] ? do_syscall_64+0x30/0x40 <4>[ 29.983158] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 29.989285] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 30.042046] CR2: ffffa79980379000 <4>[ 30.046026] ---[ end trace d62b6f016571daa9 ]--- <4>[ 30.051461] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.056128] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 30.077398] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 30.083514] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.091773] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 30.100032] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.108291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.116549] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 30.124809] FS: 00007ff69365c580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 30.134135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.140842] CR2: ffffa79980378fd6 CR3: 00000001028f6005 CR4: 00000000003706f0 .844602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 25.903592] ---[ end trace d62b6f016571daa4 ]--- # [ 25.909036] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 25.913702] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 25.934972] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 25.941096] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 25.949357] RDX: 00<6>[ 30.245668] lkdtm: Performing direct entry EXEC_RODATA 00000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ <6>[ 30.254618] lkdtm: attempting ok execution at ffffffffbbd7e950 25.957616] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 00<6>[ 30.267667] lkdtm: attempting bad execution at ffffffffbd194640 00000000000001 # [ 25.965877] R10: 00000000ffffe000 R11: 3fff<2>[ 30.280782] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 30.295606] BUG: unable to handle page fault for address: ffffffffbd194640 <1>[ 30.303575] #PF: supervisor instruction fetch in kernel mode <1>[ 30.310183] #PF: error_code(0x0011) - permissions violation <6>[ 30.316692] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 80000001598000e1 <4>[ 30.324766] Oops: 0011 [#9] SMP PTI <4>[ 30.328939] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 30.337878] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.344975] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 30.351006] Code: ff ff 8d 7c 44 bc ff ff ff ff 02 ac 61 bd ff ff ff ff d3 63 44 bc 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>[ 30.372279] RSP: 0018:ffffa7998236fe48 EFLAGS: 00010246 <4>[ 30.378403] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 30.386663] RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 <4>[ 30.394922] RBP: ffffffffbd194640 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.403181] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 30.411445] R13: ffffa7998236ff10 R14: ffffa7998236ff10 R15: ffff9085c661d000 <4>[ 30.419705] FS: 00007fc69f9f1580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 30.429024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.435730] CR2: ffffffffbd194640 CR3: 00000001043ac006 CR4: 00000000003706f0 <4>[ 30.443989] Call Trace: <4>[ 30.447008] ? __die_body.cold+0x1a/0x1f <4>[ 30.451682] ? no_context+0x177/0x380 <4>[ 30.456050] ? exc_page_fault+0xd7/0x170 <4>[ 30.460724] ? asm_exc_page_fault+0x1e/0x30 <4>[ 30.465687] ? execute_location+0x45/0x56 <4>[ 30.470458] ? direct_entry.cold+0x2c/0x38 <4>[ 30.475312] ? full_proxy_write+0x53/0x80 <4>[ 30.480077] ? vfs_write+0xe7/0x3b0 <4>[ 30.484250] ? ksys_write+0x68/0xf0 <4>[ 30.488438] ? do_syscall_64+0x30/0x40 <4>[ 30.492912] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 30.499030] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 30.551790] CR2: ffffffffbd194640 <4>[ 30.555778] ---[ end trace d62b6f016571daaa ]--- <4>[ 30.561221] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.565889] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 30.587160] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 30.593275] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.601534] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 30.609794] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.618054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.626314] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 30.634574] FS: 00007fc69f9f1580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 30.643893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.650598] CR2: ffffffffbd194640 CR3: 00000001043ac006 CR4: 00000000003706f0 <3>[ 30.658857] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 30.669057] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 30.677801] INFO: lockdep is turned off. <4>[ 30.682468] irq event stamp: 0 <4>[ 30.686164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.693444] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.702869] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.712294] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.719583] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 30.728520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.735613] Call Trace: <4>[ 30.738632] dump_stack+0x77/0x9b <4>[ 30.742622] ___might_sleep.cold+0xa6/0xb6 <4>[ 30.747484] exit_signals+0x1c/0x300 <4>[ 30.751763] do_exit+0xc2/0xab0 <4>[ 30.755548] ? ksys_write+0x68/0xf0 <4>[ 30.759730] make_task_dead+0x2f/0x30 <4>[ 30.764106] rewind_stack_and_make_dead+0x17/0x20 <4>[ 30.769647] RIP: 0033:0x7fc69f907473 <4>[ 30.773926] 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>[ 30.795198] RSP: 002b:00007ffffd7f74b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.803943] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc69f907473 <4>[ 30.812201] RDX: 000000000000000c RSI: 00007fc69f7fb000 RDI: 0000000000000001 <4>[ 30.820460] RBP: 00007fc69f7fb000 R08: 00007fc69f7fa010 R09: 0000000000000000 <4>[ 30.828718] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.836978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffff R12: 0000000000000004 # [ 25.974136] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 25.982398] FS: 00007f90c328e580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 25.991725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.998444] CR2: ffffa799818b0000 CR3: 0000000102b36005 CR4: 00000000003706e0 # [ 26.006709] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 26.016900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1012, name: cat # [ 26.025645] INFO: lockdep is turned off. # [ 26.030310] irq event stamp: 0 # [ 26.034007] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 26.041297] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.050714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.060139] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 26.067427] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 26.076367] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.083483] Call Trace: # [ 26.086501] dump_stack+0x77/0x9b <6>[ 30.957328] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 30.969788] lkdtm: attempting ok execution at ffffffffbbd7e950 # [ 26.090490] ___might_sleep.cold+0xa6/0xb6 # [ 26.09535<6>[ 30.976644] lkdtm: attempting bad execution at 00007f4dee309000 <2>[ 30.989757] unable to execute userspace code (SMEP?) (uid: 0) 3] exit_signals+0x1c/0x300 # [ 26.099632] do_exit+0xc2/0xab<1>[ 30.996472] BUG: unable to handle page fault for address: 00007f4dee309000 <1>[ 31.010654] #PF: supervisor instruction fetch in kernel mode <1>[ 31.017261] #PF: error_code(0x0011) - permissions violation <6>[ 31.023773] PGD 8000000103544067 P4D 8000000103544067 PUD 103290067 PMD 102e4a067 PTE 10ae6c067 <4>[ 31.033784] Oops: 0011 [#10] SMP PTI <4>[ 31.038063] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 31.047001] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.054097] RIP: 0010:0x7f4dee309000 <4>[ 31.058367] Code: Unable to access opcode bytes at RIP 0x7f4dee308fd6. <4>[ 31.065947] RSP: 0018:ffffa79982417e50 EFLAGS: 00010246 <4>[ 31.072071] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 31.080329] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 31.088588] RBP: 00007f4dee309000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.096846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 31.105103] R13: ffffa79982417f10 R14: ffffa79982417f10 R15: ffff9085c31cd000 <4>[ 31.113362] FS: 00007f4dee2da580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 31.122691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.129396] CR2: 00007f4dee309000 CR3: 0000000103614002 CR4: 00000000003706e0 <4>[ 31.137657] Call Trace: <4>[ 31.140677] ? __die_body.cold+0x1a/0x1f <4>[ 31.145345] ? no_context+0x177/0x380 <4>[ 31.149716] ? exc_page_fault+0x53/0x170 <4>[ 31.154399] ? asm_exc_page_fault+0x1e/0x30 <4>[ 31.159363] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 31.165002] ? direct_entry.cold+0x2c/0x38 <4>[ 31.169857] ? full_proxy_write+0x53/0x80 <4>[ 31.174623] ? vfs_write+0xe7/0x3b0 <4>[ 31.178806] ? ksys_write+0x68/0xf0 <4>[ 31.182988] ? do_syscall_64+0x30/0x40 <4>[ 31.187463] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 0 # [ 26.103428] ? ksys_write+0x68/0xf0 # [ 26.107630] m<4>[ 31.193581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 31.252564] CR2: 00007f4dee309000 <4>[ 31.256552] ---[ end trace d62b6f016571daab ]--- <4>[ 31.261997] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.266664] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 31.287933] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 31.294056] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.302316] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 31.310575] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.318833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.327092] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 31.335352] FS: 00007f4dee2da580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 31.344671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.351378] CR2: 00007f4dee309000 CR3: 0000000103614002 CR4: 00000000003706e0 ake_task_dead+0x2f/0x30 # [ 26.112006] rewind_stack_and_make_dead+0x17/0x20 # [ 26.117539] RIP: 0033:0x7f90c31a4473 # [ 26.121817] 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 # [ 26.143088] RSP: 002b:00007ffc9d5b2738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 26.151825] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f90c31a4473 # [ 26.160083] RDX: 000000000000001a RSI: 00007f90c3098000 RDI: 0000000000000001 # [ 26.168342] RBP: 00007f90c3098000 R08: 00007f90c3097010 R09: 0000000000000000 # [ 26.176600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 26.184859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 26.282415] lkdtm: Performi<6>[ 31.456325] lkdtm: Performing direct entry EXEC_NULL ng direct entry UNSET_SMEP # [ 26.292315] lkdtm: trying to cl<6>[ 31.464984] lkdtm: attempting ok execution at ffffffffbbd7e950 ear SMEP normally # [ 26.297765] ------------[ cut here ]----<6>[ 31.477985] lkdtm: attempting bad execution at 0000000000000000 -------- # [ 26.303221] pinned CR4 bits changed: 0x100000!? <1>[ 31.491104] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 31.505402] #PF: supervisor instruction fetch in kernel mode <1>[ 31.512011] #PF: error_code(0x0010) - not-present page <6>[ 31.518039] PGD 0 P4D 0 <4>[ 31.521154] Oops: 0010 [#11] SMP PTI <4>[ 31.525451] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 31.534395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.541492] RIP: 0010:0x0 <4>[ 31.544702] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 31.552671] RSP: 0018:ffffa7998249fe48 EFLAGS: 00010246 <4>[ 31.558794] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 31.567053] RDX: 0000000000000000 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 <4>[ 31.575313] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.583571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 31.591829] R13: ffffa7998249ff10 R14: ffffa7998249ff10 R15: ffff9085c2e5d000 <4>[ 31.600088] FS: 00007fe2d3498580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 <4>[ 31.609416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.616113] CR2: ffffffffffffffd6 CR3: 00000001030ae004 CR4: 00000000003706e0 <4>[ 31.624396] Call Trace: <# [ 26.308576] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cp4>[ 31.627417] ? __die_body.cold+0x1a/0x1f <4>[ 31.638325] ? no_context+0x177/0x380 u/common.c:397 native_write_cr4+0x45/0x60 # [ 26.319096] Modu<4>[ 31.642705] ? exc_page_fault+0x53/0x170 <4>[ 31.653582] ? asm_exc_page_fault+0x1e/0x30 le[ 31.658547] execute_location+0x45/0x56 <4>[ 31.669332] direct_entry.cold+0x2c/0x38 cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da721<4>[ 31.674003] full_proxy_write+0x53/0x80 <4>[ 31.684784] vfs_write+0xe7/0x3b0 9 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_e<4>[ 31.688774] ksys_write+0x68/0xf0 <4>[ 31.698972] do_syscall_64+0x30/0x40 <4>[ 31.703252] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 31.709173] RIP: 0033:0x7fe2d33ae473 <4>[ 31.713452] 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>[ 31.734724] RSP: 002b:00007ffdc004fcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.743471] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2d33ae473 <4>[ 31.751723] RDX: 000000000000000a RSI: 00007fe2d32a2000 RDI: 0000000000000001 <4>[ 31.759973] RBP: 00007fe2d32a2000 R08: 00007fe2d32a1010 R09: 0000000000000000 <4>[ 31.768234] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 31.776484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs <4>[ 31.784747] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 31.843693] CR2: 0000000000000000 <4>[ 31.847680] ---[ end trace d62b6f016571daac ]--- <4>[ 31.853125] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.857792] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 31.879063] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 31.885178] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.893442] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 31.901701] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.909959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.918220] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 31.926470] FS: 00007fe2d3498580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 <4>[ 31.935797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.942503] CR2: ffffffffffffffd6 CR3: 00000001030ae004 CR4: 00000000003706e0 <3>[ 31.950765] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 31.960966] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat <4>[ 31.969712] INFO: lockdep is turned off. <4>[ 31.974397] irq event stamp: 0 <4>[ 31.978085] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 31.985368] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_char<4>[ 31.994820] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.010456] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.017744] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 32.026682] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.033775] Call Trace: <4>[ 32.036795] dump_stack+0x77/0x9b ger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_p<4>[ 32.040785] ___might_sleep.cold+0xa6/0xb6 <4>[ 32.051858] exit_signals+0x1c/0x300 kg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid <4>[ 32.056140] do_exit+0xc2/0xab0 <4>[ 32.066146] ? ksys_write+0x68/0xf0 <4>[ 32.070331] make_task_dead+0x2f/0x30 <4>[ 32.074708] rewind_stack_and_make_dead+0x17/0x20 <4>[ 32.080242] RIP: 0033:0x7fe2d33ae473 <4>[ 32.084513] 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>[ 32.105781] RSP: 002b:00007ffdc004fcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.114528] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2d33ae473 <4>[ 32.122779] RDX: 000000000000000a RSI: 00007fe2d32a2000 RDI: 0000000000000001 <4>[ 32.131038] RBP: 00007fe2d32a2000 R08: 00007fe2d32a1010 R09: 0000000000000000 <4>[ 32.139298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.147556] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 26.378049] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 26.386990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.394089] RIP: 0010:native_write_cr4+0x45/0x60 # [ 26.399537] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 38 50 86 02 00 75 f2 48 c7 c7 78 82 51 bd c6 05 28 50 86 02 01 e8 95 c2 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 26.420813] RSP: 0018:ffffa79981957e48 EFLAGS: 00010286 # [ 26.426941] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 26.435202] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 26.443467] RBP: ffffffffbd61a88d R08: 0000000000000000 R09: 0000000000000000 # [ 26.451729] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 26.459993] R13: ffffa79981957f10 R14: ffffa79981957f10 R15: ffff9085c43b4000 # [ 26.468255] FS: 00007fd27c535580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 26.477586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 26.484294] CR2: 00007fd27c33f000 CR3: 0000000104f38001 CR4: 00000000003706e0 # [ 26.492557] Call Trace: # [ 26.495<6>[ 32.274536] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 32.286660] lkdtm: attempting bad read at 00007ff86e2aa000 582] ? __warn+0x80/0x110 # [ 26.499507] ? native_write_cr4+<1>[ 32.293094] BUG: unable to handle page fault for address: 00007ff86e2aa000 <1>[ 32.307266] #PF: supervisor read access in kernel mode <1>[ 32.313294] #PF: error_code(0x0001) - permissions violation <6>[ 32.319804] PGD 8000000105ad4067 P4D 8000000105ad4067 PUD 103061067 PMD 103060067 PTE 10e5f3067 <4>[ 32.329815] Oops: 0001 [#12] SMP PTI <4>[ 32.334094] CPU: 3 PID: 1830 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 32.343034] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.350131] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 32.356643] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b9 61 bd e8 63 d7 fb ff 48 c7 c7 48 b9 61 bd b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4a d7 fb ff 48 89 ee 48 c7 c7 70 b9 61 <4>[ 32.377912] RSP: 0018:ffffa7998252fe48 EFLAGS: 00010246 <4>[ 32.384035] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 32.392296] RDX: 0000000000000000 RSI: ffff90863ad9bf50 RDI: ffffffffbd61b948 <4>[ 32.400554] RBP: 00007ff86e2aa000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.408833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 32.417092] R13: ffffa7998252ff10 R14: ffffa7998252ff10 R15: ffff9085c2afb000 <4>[ 32.425352] FS: 00007ff86e27b580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 32.434680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.441396] CR2: 00007ff86e2aa000 CR3: 00000001032b4005 CR4: 00000000003706e0 <4>[ 32.449656] Call Trace: <4>[ 32.452682] ? __die_body.cold+0x1a/0x1f <4>[ 32.457340] ? no_context+0x177/0x380 <4>[ 32.461733] ? exc_page_fault+0x53/0x170 <4>[ 32.466403] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.471365] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 32.477199] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 32.483032] direct_entry.cold+0x2c/0x38 <4>[ 32.487702] full_proxy_write+0x53/0x80 <4>[ 32.492274] vfs_write+0xe7/0x3b0 <4>[ 32.496262] ksys_write+0x68/0xf0 <4>[ 32.500250] do_syscall_64+0x30/0x40 <4>[ 32.504528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.510458] RIP: 0033:0x7ff86e191473 <4>[ 32.514728] 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>[ 32.535989] RSP: 002b:00007ffc2390eb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.544735] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff86e191473 <4>[ 32.552993] RDX: 0000000000000011 RSI: 00007ff86e085000 RDI: 0000000000000001 <4>[ 32.561253] RBP: 00007ff86e085000 R08: 00007ff86e084010 R09: 0000000000000000 <4>[ 32.569513] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.577771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x45/0x60 # [ 26.504277] ? report_bug+0x9e/0xc0 # [ 26.50<4>[ 32.586033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 32.645017] CR2: 00007ff86e2aa000 <4>[ 32.649005] ---[ end trace d62b6f016571daad ]--- <4>[ 32.654456] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.659121] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 32.680399] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 32.686522] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.694781] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 32.703039] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.711299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.719557] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 32.727815] FS: 00007ff86e27b580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 32.737141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.743846] CR2: 00007ff86e2aa000 CR3: 00000001032b4005 CR4: 00000000003706e0 8489] ? handle_bug+0x41/0x90 # [ 26.512704] ? exc_invalid_op+0x14/0x70 # [ 26.517279] ? asm_exc_invalid_op+0x12/0x20 # [ 26.522245] ? native_write_cr4+0x45/0x60 # [ 26.527039] ? native_write_cr4+0x45/0x60 # [ 26.531807] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 26.536965] direct_entry.cold+0x2c/0x38 # [ 26.541636] full_proxy_write+0x53/0x80 # [ 26.546235] vfs_write+0xe7/0x3b0 # [ 26.550226] ksys_write+0x68/0xf0 # [ 26.554223] do_syscall_64+0x30/0x40 # [ 26.564718] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 26.570680] RIP: 0033:0x7fd27c44b473 # [ 26.574965] 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 # [ 26.596240] RSP: 002b:00007ffd7cc6b568 EFLAGS: 00000246 ORIG_RAX: 0000000000000<6>[ 32.838076] lkdtm: Performing direct entry ACCESS_NULL <6>[ 32.845191] lkdtm: attempting bad read at 0000000000000000 <1>[ 32.851644] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 32.859740] #PF: supervisor read access in kernel mode <1>[ 32.865768] #PF: error_code(0x0000) - not-present page <6>[ 32.871793] PGD 0 P4D 0 <4>[ 32.874908] Oops: 0000 [#13] SMP PTI <4>[ 32.879187] CPU: 3 PID: 1866 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 32.888125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.895223] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 32.900763] Code: 07 d7 fb ff be 00 10 00 00 48 89 ef e8 e8 0f 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b9 61 bd e8 e1 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b9 61 bd 48 01 <4>[ 32.922035] RSP: 0018:ffffa799825c7e58 EFLAGS: 00010246 <4>[ 32.928157] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 32.936416] RDX: 0000000000000000 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 32.944675] RBP: ffffffffbd61aa11 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.952933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 32.961196] R13: ffffa799825c7f10 R14: ffffa799825c7f10 R15: ffff9085c328c000 <4>[ 32.969460] FS: 00007f21855c1580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 32.978787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.985493] CR2: 0000000000000000 CR3: 0000000102be6003 CR4: 00000000003706e0 <4>[ 32.993751] Call Trace: <4>[ 32.996770] ? __die_body.cold+0x1a/0x1f <4>[ 33.001447] ? no_context+0x177/0x380 <4>[ 33.005826] ? exc_page_fault+0x53/0x170 <4>[ 33.010493] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.015452] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 33.020305] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 33.025159] direct_entry.cold+0x2c/0x38 <4>[ 33.029828] full_proxy_write+0x53/0x80 <4>[ 33.034400] vfs_write+0xe7/0x3b0 001 # [ 26.605010] RAX: ffffffffffffffda RBX: 000000000000000<4>[ 33.038390] ksys_write+0x68/0xf0 <4>[ 33.048590] do_syscall_64+0x30/0x40 <4>[ 33.052868] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.058798] RIP: 0033:0x7f21854d7473 <4>[ 33.063068] 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>[ 33.084339] RSP: 002b:00007ffd62cad628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.093076] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f21854d7473 <4>[ 33.101336] RDX: 000000000000000c RSI: 00007f21853cb000 RDI: 0000000000000001 <4>[ 33.109594] RBP: 00007f21853cb000 R08: 00007f21853ca010 R09: 0000000000000000 <4>[ 33.117854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.126112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b RCX: 00007fd27c44b473 # [ 26.613284] RDX: 000000000000000b <4>[ 33.134401] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 33.193350] CR2: 0000000000000000 <4>[ 33.197338] ---[ end trace d62b6f016571daae ]--- <4>[ 33.202785] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.207450] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 33.228719] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 33.234842] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.243103] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 33.251363] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.259623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.267882] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 33.276141] FS: 00007f21855c1580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 33.285468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.292172] CR2: 0000000000000000 CR3: 0000000102be6003 CR4: 00000000003706e0 <3>[ 33.300448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.310648] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat <4>[ 33.319398] INFO: lockdep is turned off. <4>[ 33.324066] irq event stamp: 0 <4>[ 33.327762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.335051] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.344476] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.353900] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.361188] CPU: 3 PID: 1866 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 33.370128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.377222] Call Trace: <4>[ 33.380240] dump_stack+0x77/0x9b <4>[ 33.384229] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.389091] exit_signals+0x1c/0x300 <4>[ 33.393363] do_exit+0xc2/0xab0 <4>[ 33.397158] ? ksys_write+0x68/0xf0 <4>[ 33.401341] make_task_dead+0x2f/0x30 <4>[ 33.405718] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.411259] RIP: 0033:0x7f21854d7473 <4>[ 33.415537] 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>[ 33.436808] RSP: 002b:00007ffd62cad628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.445554] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f21854d7473 <4>[ 33.453813] RDX: 000000000000000c RSI: 00007f21853cb000 RDI: 0000000000000001 <4>[ 33.462071] RBP: 00007f21853cb000 R08: 00007f21853ca010 R09: 0000000000000000 <4>[ 33.470330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.478588] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSI: 00007fd27c33f000 RDI: 0000000000000001 # [ 26.627756] RBP: 00007fd27c33f000 R08: 00007fd27c33e010 R09: 0000000000000000 # [ 26.636017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 26.644279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 26.652545] irq event stamp: 0 # [ 26.656275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 26.663568] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.672995] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 26.682423] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 26.689734] ---[ end trace d62b6f016571daa5 ]--- # [ 26.695182] lkdtm: ok: SMEP did not get cleared # [ 26.700531] lkdtm: trying to clear SMEP with call gadget # [ 26.706754] 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 # [ 26.786839] lkdtm: Performing direct entry DOUBLE_FAULT <6>[ 33.591736] lkdtm: Performing direct entry WRITE_RO # [ 26.799159] lkdtm: XFAIL: this test is ia32-only # DOUBLE<6>[ 33.598287] lkdtm: attempting bad rodata write at ffffffffbd194630 _FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAUL<1>[ 33.611704] BUG: unable to handle page fault for address: ffffffffbd194630 <1>[ 33.625880] #PF: supervisor write access in kernel mode T.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 26.874857<1>[ 33.632005] #PF: error_code(0x0003) - permissions violation <6>[ 33.644729] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 80000001598000e1 ] lkdtm: Performing direct entry CORRUPT_PAC # [ 26.885296] l<4>[ 33.652799] Oops: 0003 [#14] SMP PTI <4>[ 33.663290] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 33.672230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.679327] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a kdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL'<4>[ 33.684579] Code: 00 48 c7 c7 00 b8 61 bd 48 c7 c6 30 46 19 bd e8 8b d9 fb ff 48 8b 05 12 df d4 00 ba 34 12 cd ab 48 c7 c7 30 b8 61 bd 48 31 d0 <48> 89 05 fc de d4 00 e9 69 d9 fb ff 0f 1f 44 00 00 48 8b 05 0b ac <4>[ 33.712065] RSP: 0018:ffffa79982637e60 EFLAGS: 00010202 <4>[ 33.718189] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 33.726451] RDX: 00000000abcd1234 RSI: ffff90863ac9bf50 RDI: ffffffffbd61b830 <4>[ 33.734711] RBP: ffffffffbd61aa1d R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.742970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 33.751231] R13: ffffa79982637f10 R14: ffffa79982637f10 R15: ffff9085c2b83000 <4>[ 33.759491] FS: 00007f157d162580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 <4>[ 33.768820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.775526] CR2: ffffffffbd194630 CR3: 00000001065da001 CR4: 00000000003706e0 <4>[ 33.783786] Call Trace: : <[SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selft4>[ 33.786807] ? __die_body.cold+0x1a/0x1f <4>[ 33.797693] ? no_context+0x177/0x380 <4>[ 33.802074] ? exc_page_fault+0xd7/0x170 ests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 26.967290] lkd<4>[ 33.806743] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.817915] ? lkdtm_WRITE_RO+0x2e/0x3a tm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 26<4>[ 33.822489] direct_entry.cold+0x2c/0x38 <4>[ 33.833388] full_proxy_write+0x53/0x80 .979151] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_<4>[ 33.837967] vfs_write+0xe7/0x3b0 <4>[ 33.848168] ksys_write+0x68/0xf0 <4>[ 33.852156] do_syscall_64+0x30/0x40 <4>[ 33.856442] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.862399] RIP: 0033:0x7f157d078473 <4>[ 33.866678] 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>[ 33.887942] RSP: 002b:00007ffc50841758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.896688] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f157d078473 <4>[ 33.904948] RDX: 0000000000000009 RSI: 00007f157cf6c000 RDI: 0000000000000001 <4>[ 33.913206] RBP: 00007f157cf6c000 R08: 00007f157cf6b010 R09: 0000000000000000 <4>[ 33.921465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.929723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17<4>[ 33.937986] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 33.996938] CR2: ffffffffbd194630 <4>[ 34.000925] ---[ end trace d62b6f016571daaf ]--- <4>[ 34.006371] RIP: 0010:lkdtm_BUG+0x5/0x10 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selft<4>[ 34.011064] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 34.038550] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 34.044675] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.052934] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 34.061193] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.069452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.077712] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 34.085972] FS: 00007f157d162580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 <4>[ 34.095300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.102006] CR2: ffffffffbd194630 CR3: 00000001065da001 CR4: 00000000003706e0 ests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 27.112500] lkdtm: Performing direct entry READ_AFTER_FREE # [ 27.123943] lkdtm: Value in memory before free: 12345678 # [ 27.130184] lkdtm: Attempting bad read from freed memory # [ 27.142634] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 27.294684] lkdtm: Performing direct entry READ_B<6>[ 34.202206] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 34.210315] lkdtm: attempting bad ro_after_init write at ffffffffbd6a1350 <1>[ 34.218202] BUG: unable to handle page fault for address: ffffffffbd6a1350 UDDY_AFTER_FREE # [ 27.303661] lkdtm: Value in memory before <1>[ 34.226197] #PF: supervisor write access in kernel mode <1>[ 34.238533] #PF: error_code(0x0003) - permissions violation <6>[ 34.245046] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 1053b4063 PTE 8000000159ea1061 <4>[ 34.254396] Oops: 0003 [#15] SMP PTI <4>[ 34.258675] CPU: 3 PID: 1938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 34.267615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.274714] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 34.281031] Code: b8 61 bd e9 3d d9 fb ff 48 c7 c7 88 b8 61 bd e8 31 d9 fb ff 48 8b 05 d8 ab 25 01 ba 34 12 cd ab 48 c7 c7 30 b8 61 bd 48 31 d0 <48> 89 05 c2 ab 25 01 e9 0f d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 34.302304] RSP: 0018:ffffa799826a7e60 EFLAGS: 00010202 <4>[ 34.308428] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 34.316710] RDX: 00000000abcd1234 RSI: ffff90863ad9bf50 RDI: ffffffffbd61b830 <4>[ 34.324971] RBP: ffffffffbd61aa26 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.333233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 34.341492] R13: ffffa799826a7f10 R14: ffffa799826a7f10 R15: ffff9085c5ab6000 <4>[ 34.349752] FS: 00007fe458ef5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 34.359081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.365786] CR2: ffffffffbd6a1350 CR3: 0000000102bb2004 CR4: 00000000003706e0 <4>[ 34.374045] Call Trace: <4>[ 34.377065] ? __die_body.cold+0x1a/0x1f <4>[ 34.381734] ? no_context+0x177/0x380 <4>[ 34.386111] ? exc_page_fault+0xd7/0x170 <4>[ 34.390780] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.395740] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 34.401399] direct_entry.cold+0x2c/0x38 <4>[ 34.406070] full_proxy_write+0x53/0x80 <4>[ 34.410642] vfs_write+0xe7/0x3b0 <4>[ 34.414630] ksys_write+0x68/0xf0 <4>[ 34.418618] do_syscall_64+0x30/0x40 <4>[ 34.422898] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.428827] RIP: 0033:0x7fe458e0b473 <4>[ 34.433107] 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>[ 34.454400] RSP: 002b:00007ffe0025d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.463147] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe458e0b473 <4>[ 34.471407] RDX: 0000000000000014 RSI: 00007fe458cff000 RDI: 0000000000000001 <4>[ 34.479665] RBP: 00007fe458cff000 R08: 00007fe458cfe010 R09: 0000000000000000 <4>[ 34.487924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.496183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 free: 12345678 # [ 27.309908] lkdtm: Attempting to read from <4>[ 34.504452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.563455] CR2: ffffffffbd6a1350 <4>[ 34.567455] ---[ end trace d62b6f016571dab0 ]--- <4>[ 34.572900] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.577569] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 34.598843] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 34.604958] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.613218] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 34.621479] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.629737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.637997] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 34.646257] FS: 00007fe458ef5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 34.655585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.662291] CR2: ffffffffbd6a1350 CR3: 0000000102bb2004 CR4: 00000000003706e0 <3>[ 34.670551] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.680751] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1938, name: cat <4>[ 34.689521] INFO: lockdep is turned off. <4>[ 34.694188] irq event stamp: 0 <4>[ 34.697885] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.705174] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.714599] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.724023] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.731312] CPU: 3 PID: 1938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 34.740250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.747344] Call Trace: <4>[ 34.750364] dump_stack+0x77/0x9b <4>[ 34.754353] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.759216] exit_signals+0x1c/0x300 <4>[ 34.763495] do_exit+0xc2/0xab0 <4>[ 34.767289] ? ksys_write+0x68/0xf0 <4>[ 34.771472] make_task_dead+0x2f/0x30 <4>[ 34.775848] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.781400] RIP: 0033:0x7fe458e0b473 <4>[ 34.785677] 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>[ 34.806948] RSP: 002b:00007ffe0025d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.815692] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe458e0b473 <4>[ 34.823951] RDX: 0000000000000014 RSI: 00007fe458cff000 RDI: 0000000000000001 <4>[ 34.832210] RBP: 00007fe458cff000 R08: 00007fe458cfe010 R09: 0000000000000000 <4>[ 34.840468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.848728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 freed memory # [ 27.316038] 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 # [ 27.433577] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 27.445968] 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 # [ 27.532141] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 27.538827] 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 # [ 27.621891] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 27.632063] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selfte<6>[ 34.957560] lkdtm: Performing direct entry WRITE_KERN sts: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP<6>[ 34.968663] lkdtm: attempting bad 7109960 byte write at ffffffffbc446698 .sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: l<1>[ 34.982664] BUG: unable to handle page fault for address: ffffffffbc446698 <1>[ 34.996803] #PF: supervisor write access in kernel mode <1>[ 35.002927] #PF: error_code(0x0003) - permissions violation <6>[ 35.009438] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 158c000e1 <4>[ 35.016832] Oops: 0003 [#16] SMP PTI <4>[ 35.021111] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 35.030049] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.037146] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 35.042595] Code: 53 48 c7 c3 98 66 44 bc 49 89 dc 48 89 da 49 81 ec 50 e9 d7 bb 4c 89 e6 e8 e4 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 e9 d7 bb a4 48 c7 c7 30 b8 61 bd e8 c9 d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 35.063865] RSP: 0018:ffffa79982737e50 EFLAGS: 00010246 <4>[ 35.069982] RAX: 000000000000003c RBX: ffffffffbc446698 RCX: 00000000006c7d48 <4>[ 35.078232] RDX: 0000000000000000 RSI: ffffffffbbd7e950 RDI: ffffffffbc446698 <4>[ 35.086491] RBP: ffffffffbd61aa3a R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.094749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7d48 <4>[ 35.103008] R13: ffffa79982737f10 R14: ffffa79982737f10 R15: ffff9085c377e000 <4>[ 35.111268] FS: 00007f5ddc772580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 35.120595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.127302] CR2: ffffffffbc446698 CR3: 00000001063e2005 CR4: 00000000003706f0 <4>[ 35.135561] Call Trace: <4>[ 35.138582] ? __die_body.cold+0x1a/0x1f <4>[ 35.143256] ? no_context+0x177/0x380 <4>[ 35.147640] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.153382] ? exc_page_fault+0xd7/0x170 <4>[ 35.158043] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.163003] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.168742] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 35.173899] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 35.179635] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 35.184401] direct_entry.cold+0x2c/0x38 <4>[ 35.189077] full_proxy_write+0x53/0x80 <4>[ 35.193655] vfs_write+0xe7/0x3b0 <4>[ 35.197649] ksys_write+0x68/0xf0 <4>[ 35.201638] do_syscall_64+0x30/0x40 <4>[ 35.205918] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 35.211848] RIP: 0033:0x7f5ddc688473 <4>[ 35.216126] 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>[ 35.237396] RSP: 002b:00007ffdbacd3648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.246142] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5ddc688473 <4>[ 35.254400] RDX: 000000000000000b RSI: 00007f5ddc57c000 RDI: 0000000000000001 <4>[ 35.262658] RBP: 00007f5ddc57c000 R08: 00007f5ddc57b010 R09: 0000000000000000 <4>[ 35.270918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.279178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 35.287441] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 35.340196] CR2: ffffffffbc446698 <4>[ 35.344177] ---[ end trace d62b6f016571dab1 ]--- <4>[ 35.349622] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.354281] Code: 89 ff e8 5e c3 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 70 78 2a 03 <4>[ 35.375553] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 <4>[ 35.381677] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.389936] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 35.398194] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.406453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.414712] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 35.422970] FS: 00007f5ddc772580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 <4>[ 35.432296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.439002] CR2: ffffffffbc446698 CR3: 00000001063e2005 CR4: 00000000003706f0 kdtm: 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 # [ 27.859886] lkdtm: Performing direct entry EXEC_DATA # [ 27.867546] lkdtm: attempting ok execution at ffffffffbbd7e950 # [ 27.874404] lkdtm: attempting bad execution at ffffffffbf025e40 # [ 27.881323] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 27.896172] BUG: unable to handle page fault for address: ffffffffbf025e40 # [ 27.904140] #PF: supervisor instruction fetch in kernel mode # [ 27.910748] #PF: error_code(0x0011) - permissions violation # [ 27.917259] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 800000015b8000e3 # [ 27.925327] Oops: 0011 [#5] SMP PTI # [ 27.929508] CPU: 2 PID: 1572 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 27.938456] Hardware name: Google Rammus/Rammus, BIOS <6>[ 35.547326] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 09/04/2020 # [ 27.945552] RIP: 0010:data_area+0x0/0x40 # [ <6>[ 35.559944] lkdtm: attempting good refcount_inc() without overflow 27.950217] Code: ff ff 00 5b aa c4 85 90 ff ff 00 5a aa c4 85 9<6>[ 35.573385] lkdtm: attempting bad refcount_inc() overflow 0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00<4>[ 35.585912] ------------[ cut here ]------------ 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 0<4>[ 35.597571] refcount_t: saturated; leaking memory. 0 0f 1f 44 00 00 55 # [ 27.971489] RSP: 0018:ffffa7998215fe48<4>[ 35.609453] WARNING: CPU: 0 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 EFLAGS: 00010246 # [ 27.977613] RAX: 0000000000000033 RBX: 0<4>[ 35.625378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 000000000000001 RCX: 0000000000000000 # [ 27.985873] RDX: 000<4>[ 35.684334] CPU: 0 PID: 2010 Comm: cat Tainted: G D W 5.10.210-cip44 #1 0000000000000 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ <4>[ 35.699510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 27.994134] RBP: ffffffffbf025e40 R08: 0000000000000000 R09: 000<4>[ 35.712827] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000 # [ 28.002395] R10: 00000000ffffe000 R11: 3ffff<4>[ 35.725189] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 fffffffffff R12: 000000000000000a # [ 28.010654] R13: ffffa79<4>[ 35.752670] RSP: 0018:ffffa799827d7e48 EFLAGS: 00010286 98215ff10 R14: ffffa7998215ff10 R15: ffff9085c30c5000 # [ 28.<4>[ 35.765044] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 018913] FS: 00007f6c0fdef580(0000) GS:ffff90863ad00000(0000) kn<4>[ 35.779505] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 lGS:0000000000000000 # [ 28.028242] CS: 0010 DS: 0000 ES: 00<4>[ 35.794005] RBP: ffffffffbd61aa45 R08: 0000000000000000 R09: 0000000000000000 00 CR0: 0000000080050033 # [ 28.034948] CR2: ffffffffbf025e40<4>[ 35.808449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 CR3: 0000000104390002 CR4: 00000000003706e0 # [ 28.043207] C<4>[ 35.822985] R13: ffffa799827d7f10 R14: ffffa799827d7f10 R15: ffff9085c3563000 all Trace: # [ 28.046226] ? __die_body.cold+0x1a/0x1f # [ <4>[ 35.837430] FS: 00007f4eaeded580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 28.050894] ? no_context+0x177/0x380 # [ 28.055273] ? exc_p<4>[ 35.852997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 age_fault+0xd7/0x170 # [ 28.059941] ? asm_exc_page_fault+0x1<4>[ 35.865904] CR2: 00007f4eaebf7000 CR3: 0000000102e4c005 CR4: 00000000003706f0 e/0x30 # [ 28.064897] ? execute_location+0x45/0x56 # [ 28<4>[ 35.880395] Call Trace: .069662] ? direct_entry.cold+0x2c/0x38 # [ 28.074526] ? ful<4>[ 35.889612] ? __warn+0x80/0x110 l_proxy_write+0x53/0x80 # [ 28.079292] ? vfs_write+0xe7/0x3b<4>[ 35.899739] ? refcount_warn_saturate+0x51/0x110 0 # [ 28.083474] ? ksys_write+0x68/0xf0 # [ 28.087647] ?<4>[ 35.911388] ? report_bug+0x9e/0xc0 do_syscall_64+0x30/0x40 # [ 28.092120] ? entry_SYSCALL_64_a<4>[ 35.921796] ? handle_bug+0x41/0x90 fter_hwframe+0x62/0xc7 # [ 28.098247] Modules linked in: fuse<4>[ 35.932186] ? exc_invalid_op+0x14/0x70 ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_cor<4>[ 35.942981] ? asm_exc_invalid_op+0x12/0x20 e industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industr<4>[ 35.954155] ? refcount_warn_saturate+0x51/0x110 ialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sen<4>[ 35.965820] ? refcount_warn_saturate+0x51/0x110 sorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger v<4>[ 35.977481] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 ideobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memop<4>[ 35.989336] direct_entry.cold+0x2c/0x38 s snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro<4>[ 36.000218] full_proxy_write+0x53/0x80 s_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify c<4>[ 36.011024] vfs_write+0xe7/0x3b0 ros_kbd_led_backlight chromeos_pstore coreboot_table # [ 28.1<4>[ 36.021221] ksys_write+0x68/0xf0 57230] CR2: ffffffffbf025e40 # [ 28.161218] ---[ end trace d6<4>[ 36.031429] do_syscall_64+0x30/0x40 2b6f016571daa6 ]--- # [ 28.166663] RIP: 0010:lkdtm_BUG+0x5/0x<4>[ 36.041925] entry_SYSCALL_64_after_hwframe+0x62/0xc7 10 # [ 28.171329] Code: 89 ff e8 5e c3 79 ff 48 c7 c0 ea ff f<4>[ 36.054087] RIP: 0033:0x7f4eaed03473 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff<4>[ 36.064570] 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 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1<4>[ 36.092080] RSP: 002b:00007ffc7928a328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f 44 00 00 83 05 70 78 2a 03 # [ 28.192600] RSP: 0018:ffffa79<4>[ 36.107032] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4eaed03473 981337e60 EFLAGS: 00010282 # [ 28.198724] RAX: ffffffffbbd7e5<4>[ 36.121512] RDX: 0000000000000016 RSI: 00007f4eaebf7000 RDI: 0000000000000001 80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.206984]<4>[ 36.135982] RBP: 00007f4eaebf7000 R08: 00007f4eaebf6010 R09: 0000000000000000 RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941<4>[ 36.150477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 b0 # [ 28.215242] RBP: ffffffffbd67f138 R08: 0000000000000001<4>[ 36.164946] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R09: 0000000000000001 # [ 28.223503] R10: 00000000ffffe000 R<4>[ 36.179434] irq event stamp: 0 11: 3fffffffffffffff R12: 0000000000000004 # [ 28.231763] R13<4>[ 36.189335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 <4>[ 36.202849] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 28.240025] FS: 00007f6c0fdef580(0000) GS:ffff90863ad00000<4>[ 36.218479] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 (0000) knlGS:0000000000000000 # [ 28.249345] CS: 0010 DS: 00<4>[ 36.234135] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 ES: 0000 CR0: 0000000080050033 # [ 28.256049] CR2: fffffff<4>[ 36.247636] ---[ end trace d62b6f016571dab2 ]--- fbf025e40 CR3: 0000000104390002 CR4: 00000000003706e0 # [ 28.<6>[ 36.259306] lkdtm: Overflow detected: saturated 264308] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 28.274510] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat # [ 28.283253] INFO: lockdep is turned off. # [ 28.287919] irq event stamp: 0 # [ 28.291617] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 28.298907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 28.308325] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 28.317741] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 28.325032] CPU: 2 PID: 1572 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 28.333972] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.341065] Call Trace: # [ 28.344084] dump_stack+0x77/0x9b # [ 28.348074] ___might_sleep.cold+0xa6/0xb6 # [ 28.352937] exit_signals+0x1c/0x300 # [ 28.357215] do_exit+0xc2/0xab0 # [ 28.361009] ? ksys_write+0x68/0xf0 # [ 28.365182] make_task_dead+0x2f/0x30 # [ 28.369550] rewind_stack_and_make_dead+0x17/0x20 # [ 28.375094] RIP: 0033:0x7f6c0fd054<6>[ 36.380479] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 73 # [ 28.379375] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c<6>[ 36.389848] lkdtm: attempting good refcount_add() without overflow 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75<6>[ 36.403265] lkdtm: attempting bad refcount_add() overflow 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0<4>[ 36.415795] ------------[ cut here ]------------ 0 48 83 ec 28 48 89 54 24 18 # [ 28.406858] RSP: 002b:00007ff<4>[ 36.427441] refcount_t: saturated; leaking memory. f05cf2228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.<4>[ 36.439340] WARNING: CPU: 0 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 415603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6<4>[ 36.455283] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table c0fd05473 # [ 28.423863] RDX: 000000000000000a RSI: 00007f6c0<4>[ 36.514234] CPU: 0 PID: 2043 Comm: cat Tainted: G D W 5.10.210-cip44 #1 fbf9000 RDI: 0000000000000001 # [ 28.432122] RBP: 00007f6c0fb<4>[ 36.529393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f9000 R08: 00007f6c0fbf8010 R09: 0000000000000000 # [ 28.4403<4>[ 36.542713] RIP: 0010:refcount_warn_saturate+0x51/0x110 98] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<4>[ 36.555097] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 00001 # [ 28.448656] R13: 0000000000000001 R14: 0000000000020<4>[ 36.582565] RSP: 0018:ffffa79982857e48 EFLAGS: 00010286 000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok o<4>[ 36.594968] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 k 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_ST<4>[ 36.609411] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 ACK.sh # Killed # [ 28.549187] lkdtm: Performing direct entr<4>[ 36.623929] RBP: ffffffffbd61aa5b R08: 0000000000000000 R09: 0000000000000000 y EXEC_STACK # [ 28.556115] lkdtm: attempting ok execution at<4>[ 36.638383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffffffffbbd7e950 # [ 28.562932] lkdtm: attempting bad execut<4>[ 36.652862] R13: ffffa79982857f10 R14: ffffa79982857f10 R15: ffff9085c2b93000 ion at ffffa799821f7e18 # [ 28.569852] kernel tried to execut<4>[ 36.667327] FS: 00007fd504cd6580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 e NX-protected page - exploit attempt? (uid: 0) # [ 28.578505<4>[ 36.682907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] BUG: unable to handle page fault for address: ffffa799821f7e18<4>[ 36.695801] CR2: 00007fd504ae0000 CR3: 0000000103734004 CR4: 00000000003706f0 # [ 28.586472] #PF: supervisor instruction fetch in kernel m<4>[ 36.710305] Call Trace: ode # [ 28.593079] #PF: error_code(0x0011) - permissions viol<4>[ 36.719515] ? __warn+0x80/0x110 ation # [ 28.599589] PGD 100000067 P4D 100000067 PUD 10024506<4>[ 36.729624] ? refcount_warn_saturate+0x51/0x110 7 PMD 102e48067 PTE 8000000105ad5063 # [ 28.608921] Oops: 001<4>[ 36.741285] ? report_bug+0x9e/0xc0 1 [#6] SMP PTI # [ 28.613105] CPU: 2 PID: 1609 Comm: cat Tain<4>[ 36.751689] ? handle_bug+0x41/0x90 ted: G D W 5.10.210-cip44 #1 # [ 28.622043] Hard<4>[ 36.762089] ? exc_invalid_op+0x14/0x70 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.6291<4>[ 36.772891] ? asm_exc_invalid_op+0x12/0x20 38] RIP: 0010:0xffffa799821f7e18 # [ 28.633806] Code: 00 00 1<4>[ 36.784059] ? refcount_warn_saturate+0x51/0x110 8 7e 1f 82 99 a7 ff ff ee 66 44 bc ff ff ff ff 20 00 00 00 00 00<4>[ 36.795729] ? refcount_warn_saturate+0x51/0x110 00 00 b6 a9 61 bd ff ff ff ff 1d 68 44 bc ff ff ff ff <0f> 1f 4<4>[ 36.807415] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 4 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ <4>[ 36.819246] direct_entry.cold+0x2c/0x38 28.655078] RSP: 0018:ffffa799821f7df8 EFLAGS: 00010246 # [ <4>[ 36.830133] full_proxy_write+0x53/0x80 28.661201] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000<4>[ 36.840930] vfs_write+0xe7/0x3b0 000000000000 # [ 28.669460] RDX: 0000000000000000 RSI: ffff90<4>[ 36.851129] ksys_write+0x68/0xf0 863ad1bf50 RDI: ffff90863ad1bf50 # [ 28.677718] RBP: ffffa799<4>[ 36.861346] do_syscall_64+0x30/0x40 821f7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 28.6<4>[ 36.871835] entry_SYSCALL_64_after_hwframe+0x62/0xc7 85979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<4>[ 36.884014] RIP: 0033:0x7fd504bec473 0000000b # [ 28.694237] R13: ffffa799821f7f10 R14: ffffa79982<4>[ 36.894484] 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 1f7f10 R15: ffff9085c2ec4000 # [ 28.702497] FS: 00007f29916f<4>[ 36.922002] RSP: 002b:00007fffb715cd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [<4>[ 36.936955] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd504bec473 28.711825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.951463] RDX: 0000000000000016 RSI: 00007fd504ae0000 RDI: 0000000000000001 # [ 28.718530] CR2: ffffa799821f7e18 CR3: 0000000102de2005 CR<4>[ 36.965916] RBP: 00007fd504ae0000 R08: 00007fd504adf010 R09: 0000000000000000 4: 00000000003706e0 # [ 28.726788] Call Trace: # [ 28.7298<4>[ 36.980451] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 09] ? __die_body.cold+0x1a/0x1f # [ 28.734477] ? no_context<4>[ 36.994907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x177/0x380 # [ 28.738857] ? exc_page_fault+0xd7/0x170 # [<4>[ 37.009406] irq event stamp: 0 28.743525] ? asm_exc_page_fault+0x1e/0x30 # [ 28.748489] <4>[ 37.019299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ? execute_location+0x45/0x56 # [ 28.753252] ? lkdtm_EXEC_ST<4>[ 37.032791] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ACK+0x26/0x44 # [ 28.758020] ? direct_entry.cold+0x2c/0x38 <4>[ 37.048435] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 28.762884] ? full_proxy_write+0x53/0x80 # [ 28.767649]<4>[ 37.064114] softirqs last disabled at (0): [<0000000000000000>] 0x0 ? vfs_write+0xe7/0x3b0 # [ 28.771824] ? ksys_write+0x68/0x<4>[ 37.077605] ---[ end trace d62b6f016571dab3 ]--- f0 # [ 28.776006] ? do_syscall_64+0x30/0x40 # [ 28.780479<6>[ 37.089274] lkdtm: Overflow detected: saturated ] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 28.786606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 28.845590] CR2: ffffa799821f7e18 # [ 28.849578] ---[ end trace d62b6f016571daa7 ]--- # [ 28.855024] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.859690] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 28.88<6>[ 37.191905] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0954] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 28.8870<6>[ 37.201942] lkdtm: attempting bad refcount_inc_not_zero() overflow 77] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 00000000000<4>[ 37.215383] ------------[ cut here ]------------ 00000 # [ 28.895336] RDX: 0000000000000000 RSI: ffff90863ad1b<4>[ 37.227039] refcount_t: saturated; leaking memory. f50 RDI: ffffffffbd1941b0 # [ 28.903596] RBP: ffffffffbd67f13<4>[ 37.238884] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 8 R08: 0000000000000001 R09: 0000000000000001 # [ 28.911857] <4>[ 37.254806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[ 37.313778] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.210-cip44 #1 4 # [ 28.920117] R13: ffffa79981337f10 R14: ffffa79981337f10 <4>[ 37.328947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R15: ffff9085c3541000 # [ 28.928397] FS: 00007f29916ff580(00<4>[ 37.342263] RIP: 0010:refcount_warn_saturate+0x97/0x110 00) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 28.9<4>[ 37.354591] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 37723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 37.382121] RSP: 0018:ffffa799828dfe38 EFLAGS: 00010282 28.944442] CR2: ffffa799821f7e18 CR3: 0000000102de2005 CR4: 0000<4>[ 37.394431] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftes<4>[ 37.408970] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 ts: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh #<4>[ 37.423410] RBP: ffffffffbd61a698 R08: 0000000000000000 R09: 0000000000000000 Killed # [ 29.041672] lkdtm: Performing direct entry EXEC_KM<4>[ 37.437955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ALLOC # [ 29.052141] lkdtm: attempting ok execution at ffffff<4>[ 37.452397] R13: ffffa799828dff10 R14: ffffa799828dff10 R15: ffff9085c63ed000 ffbbd7e950 # [ 29.065137] lkdtm: attempting bad execution at <4>[ 37.466898] FS: 00007f5996c2e580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 ffff9085c2dfe040 # [ 29.078278] kernel tried to execute NX-pr<4>[ 37.482450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 otected page - exploit attempt? (uid: 0) # [ 29.093103] BUG: <4>[ 37.495388] CR2: 00007f5996a38000 CR3: 00000001032b2003 CR4: 00000000003706f0 unable to handle page fault for address: ffff9085c2dfe040 # [ <4>[ 37.509837] Call Trace: 29.101071] #PF: supervisor instruction fetch in kernel mode # <4>[ 37.519111] ? __warn+0x80/0x110 [ 29.107680] #PF: error_code(0x0011) - permissions violation <4>[ 37.529183] ? refcount_warn_saturate+0x97/0x110 # [ 29.114190] PGD 15ba01067 P4D 15ba01067 PUD 10087f063 PMD 1<4>[ 37.540853] ? report_bug+0x9e/0xc0 02dbd063 PTE 8000000102dfe063 # [ 29.123527] Oops: 0011 [#7] <4>[ 37.551249] ? handle_bug+0x41/0x90 SMP PTI # [ 29.127701] CPU: 0 PID: 1646 Comm: cat Tainted: G <4>[ 37.561651] ? exc_invalid_op+0x14/0x70 D W 5.10.210-cip44 #1 # [ 29.136640] Hardware na<4>[ 37.572463] ? asm_exc_invalid_op+0x12/0x20 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.143735] RIP<4>[ 37.583647] ? refcount_warn_saturate+0x97/0x110 : 0010:0xffff9085c2dfe040 # [ 29.148402] Code: ff ff 90 e9 df<4>[ 37.595287] ? refcount_warn_saturate+0x97/0x110 c2 85 90 ff ff 80 4a 57 c3 85 90 ff ff 00 2c f5 c4 85 90 ff ff <4>[ 37.606951] __refcount_add_not_zero.constprop.0+0x2a/0x35 00 6c 0c 84 99 df ff ff 00 00 1b c3 85 90 ff ff <0f> 1f 44 00 00<4>[ 37.619586] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 29.16<4>[ 37.632334] direct_entry.cold+0x2c/0x38 9664] RSP: 0018:ffffa7998227fe38 EFLAGS: 00010246 # [ 29.1757<4>[ 37.643212] full_proxy_write+0x53/0x80 86] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000<4>[ 37.654029] vfs_write+0xe7/0x3b0 00000 # [ 29.184046] RDX: 0000000000000000 RSI: ffff90863ac1b<4>[ 37.664210] ksys_write+0x68/0xf0 f50 RDI: ffff90863ac1bf50 # [ 29.192307] RBP: ffff9085c2dfe04<4>[ 37.674458] do_syscall_64+0x30/0x40 0 R08: 0000000000000000 R09: 0000000000000000 # [ 29.200566] <4>[ 37.684926] entry_SYSCALL_64_after_hwframe+0x62/0xc7 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[ 37.697089] RIP: 0033:0x7f5996b44473 d # [ 29.208825] R13: ffffa7998227ff10 R14: ffffa7998227ff10 <4>[ 37.707575] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R15: ffff9085c6071000 # [ 29.217085] FS: 00007fee5f6fc580(00<4>[ 37.735098] RSP: 002b:00007ffc19cc7438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 29.2<4>[ 37.750035] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5996b44473 26412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 37.764559] RDX: 000000000000001f RSI: 00007f5996a38000 RDI: 0000000000000001 29.233119] CR2: ffff9085c2dfe040 CR3: 00000001032be006 CR4: 0000<4>[ 37.779001] RBP: 00007f5996a38000 R08: 00007f5996a37010 R09: 0000000000000000 0000003706f0 # [ 29.241395] Call Trace: # [ 29.244415] ? <4>[ 37.793493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 __die_body.cold+0x1a/0x1f # [ 29.249110] ? no_context+0x177/<4>[ 37.807959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x380 # [ 29.253489] ? exc_page_fault+0xd7/0x170 # [ 29.2<4>[ 37.822470] irq event stamp: 0 58163] ? asm_exc_page_fault+0x1e/0x30 # [ 29.263127] ? exec<4>[ 37.832402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ute_location+0x45/0x56 # [ 29.267898] ? lkdtm_EXEC_KMALLOC+0<4>[ 37.845875] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 x2c/0x40 # [ 29.272847] ? direct_entry.cold+0x2c/0x38 # [ <4>[ 37.861543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 29.277712] ? full_proxy_write+0x53/0x80 # [ 29.282479] ? v<4>[ 37.877201] softirqs last disabled at (0): [<0000000000000000>] 0x0 fs_write+0xe7/0x3b0 # [ 29.286661] ? ksys_write+0x68/0xf0 #<4>[ 37.890715] ---[ end trace d62b6f016571dab4 ]--- [ 29.290835] ? do_syscall_64+0x30/0x40 # [ 29.295299] ? <6>[ 37.902398] lkdtm: Overflow detected: saturated entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 29.301442] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 29.354204] CR2: ffff9085c2dfe040 # [ 29.358192] ---[ end trace d62b6f016571daa8 ]--- # [ 29.363628] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.368294] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 29.389565] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 29.395681] R<6>[ 38.008244] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW AX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000<6>[ 38.021277] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 29.403939] RDX: 0000000000000000 RSI: ffff90863ad1bf50 R<4>[ 38.034689] ------------[ cut here ]------------ <4>[ 38.046349] refcount_t: saturated; leaking memory. DI: ffffffffbd1941b0 # [ 29.412199] RBP: ffffffffbd67f138 R08<4>[ 38.052022] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 0000000000000001 R09: 0000000000000001 # [ 29.420457] R10: <4>[ 38.067928] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # <4>[ 38.126900] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.210-cip44 #1 [ 29.428715] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: <4>[ 38.142040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffff9085c3541000 # [ 29.436975] FS: 00007fee5f6fc580(0000) G<4>[ 38.155354] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 38.167696] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 S:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 29.446300<4>[ 38.188974] RSP: 0018:ffffa79982987e38 EFLAGS: 00010282 <4>[ 38.201310] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.45<4>[ 38.209575] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 <4>[ 38.224047] RBP: ffffffffbd61a6b8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.232310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 3005] CR2: ffff9085c2dfe040 CR3: 00000001032be006 CR4: 000000000<4>[ 38.240574] R13: ffffa79982987f10 R14: ffffa79982987f10 R15: ffff9085c5bbb000 <4>[ 38.255048] FS: 00007ff156946580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 03706f0 # [ 29.461265] BUG: sleeping function called from inv<4>[ 38.264399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.277316] CR2: 00007ff156750000 CR3: 00000001032b4001 CR4: 00000000003706e0 alid context at include/linux/percpu-rwsem.h:49 # [ 29.471467<4>[ 38.285581] Call Trace: ] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, n<4>[ 38.294815] ? __warn+0x80/0x110 <4>[ 38.304922] ? refcount_warn_saturate+0x97/0x110 ame: cat # [ 29.480211] INFO: lockdep is turned off. # [ 2<4>[ 38.310402] ? report_bug+0x9e/0xc0 9.484877] irq event stamp: 0 # [ 29.488573] hardirqs last en<4>[ 38.320796] ? handle_bug+0x41/0x90 <4>[ 38.331196] ? exc_invalid_op+0x14/0x70 abled at (0): [<0000000000000000>] 0x0 # [ 29.495860] hardirq<4>[ 38.335773] ? asm_exc_invalid_op+0x12/0x20 s last disabled at (0): [] copy_process+0x65c/<4>[ 38.346946] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.358606] ? refcount_warn_saturate+0x97/0x110 0x20e0 # [ 29.505287] softirqs last enabled at (0): [[ 38.364055] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 38.376683] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ffbb2fddac>] copy_process+0x65c/0x20e0 # [ 29.514702] softirq<4>[ 38.383224] direct_entry.cold+0x2c/0x38 s last disabled at (0): [<0000000000000000>] 0x0 # [ 29.52199<4>[ 38.394105] full_proxy_write+0x53/0x80 0] CPU: 0 PID: 1646 Comm: cat Tainted: G D W 5.10.2<4>[ 38.404897] vfs_write+0xe7/0x3b0 10-cip44 #1 # [ 29.530929] Hardware name: Google Rammus/Rammu<4>[ 38.415101] ksys_write+0x68/0xf0 s, BIOS 09/04/2020 # [ 29.538024] Call Trace: # [ 29.5410<4>[ 38.425309] do_syscall_64+0x30/0x40 <4>[ 38.435806] entry_SYSCALL_64_after_hwframe+0x62/0xc7 43] dump_stack+0x77/0x9b # [ 29.545031] ___might_sleep.cold<4>[ 38.441741] RIP: 0033:0x7ff15685c473 +0xa6/0xb6 # [ 29.549895] exit_signals+0x1c/0x300 # [ 29.<4>[ 38.452231] 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>[ 38.479719] RSP: 002b:00007ffc13895168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 554175] do_exit+0xc2/0xab0 # [ 29.557969] ? ksys_write+0x68<4>[ 38.488469] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff15685c473 <4>[ 38.502941] RDX: 000000000000001f RSI: 00007ff156750000 RDI: 0000000000000001 /0xf0 # [ 29.562151] make_task_dead+0x2f/0x30 # [ 29.5665<4>[ 38.511206] RBP: 00007ff156750000 R08: 00007ff15674f010 R09: 0000000000000000 <4>[ 38.525679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 30] rewind_stack_and_make_dead+0x17/0x20 # [ 29.572077] RIP:<4>[ 38.533943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0033:0x7fee5f612473 # [ 29.576349] Code: 8b 15 21 2a 0e 00 f<4>[ 38.548433] irq event stamp: 0 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18<4>[ 38.558400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.571907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[ 38.581338] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.596973] softirqs last disabled at (0): [<0000000000000000>] 0x0 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.597619]<4>[ 38.604267] ---[ end trace d62b6f016571dab5 ]--- <6>[ 38.615923] lkdtm: Overflow detected: saturated RSP: 002b:00007ffdccf17f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.606366] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fee5f612473 # [ 29.614624] RDX: 000000000000000d RSI: 00007fee5f506000 RDI: 0000000000000001 # [ 29.622883] RBP: 00007fee5f506000 R08: 00007fee5f505010 R09: 0000000000000000 # [ 29.631141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.639401] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 29.742104] lkdtm: Performing direct entry EXEC_VMALLOC # [ 29.753283] lkdtm: attempting ok execution at ffffffffbbd7e950 # [ 29.766322] lkdtm: attempting bad execution at ffffa79980379000 # [ 29.779425] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 29.794267] BUG: unable to handle page fault for address: ffffa79980379000 # [ 29.802227] #PF: supervisor i<6>[ 38.715889] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO nstruction fetch in kernel mode # [ 29.808836] #PF: error_cod<6>[ 38.727334] lkdtm: attempting good refcount_dec() e(0x0011) - permissions violation # [ 29.815348] PGD 10000006<6>[ 38.739093] lkdtm: attempting bad refcount_dec() to zero 7 P4D 100000067 PUD 100245067 PMD 100bad067 PTE 8000000102780063<4>[ 38.751530] ------------[ cut here ]------------ <4>[ 38.763191] refcount_t: decrement hit 0; leaking memory. # [ 29.824684] Oops: 0011 [#8] SMP PTI # [ 29.828868] CPU<4>[ 38.769461] WARNING: CPU: 1 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 0 PID: 1683 Comm: cat Tainted: G D W 5.10.210-cip<4>[ 38.785378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 44 #1 # [ 29.837809] Hardware name: Google Rammus/Rammus, BIO<4>[ 38.844319] CPU: 1 PID: 2142 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 38.859452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 S 09/04/2020 # [ 29.844904] RIP: 0010:0xffffa79980379000 # <4>[ 38.866554] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 38.878887] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 29.849572] Code: Unable to access opcode bytes at RIP 0xffff<4>[ 38.900188] RSP: 0018:ffffa79982a1fe48 EFLAGS: 00010286 <4>[ 38.912523] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 a79980378fd6. # [ 29.857538] RSP: 0018:ffffa799822efe38 EFLAG<4>[ 38.920788] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 <4>[ 38.935259] RBP: ffffffffbd61aa71 R08: 0000000000000000 R09: 0000000000000000 S: 00010246 # [ 29.863662] RAX: 0000000000000033 RBX: 0000000<4>[ 38.943523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 38.957995] R13: ffffa79982a1ff10 R14: ffffa79982a1ff10 R15: ffff9085c328c000 000000001 RCX: 0000000000000000 # [ 29.871921] RDX: 000000000<4>[ 38.966261] FS: 00007f8016dde580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 <4>[ 38.981801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 29.88<4>[ 38.988512] CR2: 00007f8016be8000 CR3: 0000000105bb8002 CR4: 00000000003706e0 0180] RBP: ffffa79980379000 R08: 0000000000000000 R09: 000000000<4>[ 39.002987] Call Trace: <4>[ 39.012225] ? __warn+0x80/0x110 0000000 # [ 29.888444] R10: 00000000ffffe000 R11: 3ffffffffff<4>[ 39.016128] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.027785] ? report_bug+0x9e/0xc0 <4>[ 39.031982] ? handle_bug+0x41/0x90 <4>[ 39.036177] ? exc_invalid_op+0x14/0x70 <4>[ 39.040754] ? asm_exc_invalid_op+0x12/0x20 fffff R12: 000000000000000d # [ 29.896702] R13: ffffa799822ef<4>[ 39.045722] ? refcount_warn_saturate+0xfb/0x110 f10 R14: ffffa799822eff10 R15: ffff9085c2780000 # [ 29.904962<4>[ 39.057401] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.069063] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd ] FS: 00007ff69365c580(0000) GS:ffff90863ac00000(0000) knlGS:00<4>[ 39.074319] direct_entry.cold+0x2c/0x38 00000000000000 # [ 29.914290] CS: 0010 DS: 0000 ES: 0000 CR0<4>[ 39.085199] full_proxy_write+0x53/0x80 : 0000000080050033 # [ 29.920995] CR2: ffffa79980378fd6 CR3: <4>[ 39.095986] vfs_write+0xe7/0x3b0 <4>[ 39.106192] ksys_write+0x68/0xf0 00000001028f6005 CR4: 00000000003706f0 # [ 29.929255] Call Tr<4>[ 39.110209] do_syscall_64+0x30/0x40 ace: # [ 29.932276] ? __die_body.cold+0x1a/0x1f <4>[ 39.120702] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 39.131781] RIP: 0033:0x7f8016cf4473 # [ 29.936952] ? no_context+0x177/0x380 # [ 29.941329] ? <4>[ 39.136063] 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>[ 39.163543] RSP: 002b:00007ffdf98c8368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 exc_page_fault+0xd7/0x170 # [ 29.946002] ? asm_exc_page_faul<4>[ 39.172316] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8016cf4473 t+0x1e/0x30 # [ 29.950957] ? execute_location+0x45/0x56 # [<4>[ 39.186790] RDX: 0000000000000012 RSI: 00007f8016be8000 RDI: 0000000000000001 <4>[ 39.201269] RBP: 00007f8016be8000 R08: 00007f8016be7010 R09: 0000000000000000 29.955729] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 29.960689] <4>[ 39.209533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ? direct_entry.cold+0x2c/0x38 # [ 29.965553] ? full_proxy_w<4>[ 39.224008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rite+0x53/0x80 # [ 29.970320] ? vfs_write+0xe7/0x3b0 <4>[ 39.238492] irq event stamp: 0 <4>[ 39.247820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.974503] ? ksys_write+0x68/0xf0 # [ 29.978686] ? do<4>[ 39.255115] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 _syscall_64+0x30/0x40 # [ 29.983158] ? entry_SYSCALL_64_afte<4>[ 39.270760] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.286406] softirqs last disabled at (0): [<0000000000000000>] 0x0 r_hwframe+0x62/0xc7 # [ 29.989285] Modules linked in: fuse ip<4>[ 39.293698] ---[ end trace d62b6f016571dab6 ]--- <6>[ 39.305357] lkdtm: Zero detected: saturated _tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 30.042046] CR2: ffffa79980379000 # [ 30.046026] ---[ end trace d62b6f016571daa9 ]--- # [ 30.051461] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.056128] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 30.077398] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 30.083514] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.091773] RD<6>[ 39.407471] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 39.416759] lkdtm: attempting bad refcount_dec() below zero X: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 <4>[ 39.423304] ------------[ cut here ]------------ <4>[ 39.434959] refcount_t: decrement hit 0; leaking memory. <4>[ 39.441213] WARNING: CPU: 2 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 30.100032] RBP: ffffffffbd67f138 R08: 0000000000000001 R0<4>[ 39.450938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.509896] CPU: 2 PID: 2178 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 39.518863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.525963] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 39.532114] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 9: 0000000000000001 # [ 30.108291] R10: 00000000ffffe000 R11:<4>[ 39.553401] RSP: 0018:ffffa79982ab7e48 EFLAGS: 00010286 <4>[ 39.565741] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 39.574006] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 39.582271] RBP: ffffffffbd61aa83 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.590534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 39.598798] R13: ffffa79982ab7f10 R14: ffffa79982ab7f10 R15: ffff9085c2b84000 <4>[ 39.607061] FS: 00007f1468af8580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 3fffffffffffffff R12: 0000000000000004 # [ 30.116549] R13: f<4>[ 39.616402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.629327] CR2: 00007f1468902000 CR3: 0000000103560001 CR4: 00000000003706e0 <4>[ 39.637591] Call Trace: <4>[ 39.640616] ? __warn+0x80/0x110 <4>[ 39.644540] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.649989] ? report_bug+0x9e/0xc0 <4>[ 39.654200] ? handle_bug+0x41/0x90 <4>[ 39.658409] ? exc_invalid_op+0x14/0x70 <4>[ 39.662985] ? asm_exc_invalid_op+0x12/0x20 <4>[ 39.667976] ? refcount_warn_saturate+0xfb/0x110 fffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [<4>[ 39.673449] ? refcount_warn_saturate+0xfb/0x110 <4>[ 39.685109] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 39.690774] direct_entry.cold+0x2c/0x38 30.124809] FS: 00007ff69365c580(0000) GS:ffff90863ac00000(00<4>[ 39.695456] full_proxy_write+0x53/0x80 <4>[ 39.706237] vfs_write+0xe7/0x3b0 <4>[ 39.710252] ksys_write+0x68/0xf0 <4>[ 39.714245] do_syscall_64+0x30/0x40 <4>[ 39.718528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 39.724463] RIP: 0033:0x7f1468a0e473 <4>[ 39.728745] 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>[ 39.750027] RSP: 002b:00007ffd5124b0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00) knlGS:0000000000000000 # [ 30.134135] CS: 0010 DS: 0000 <4>[ 39.758806] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1468a0e473 <4>[ 39.773276] RDX: 0000000000000016 RSI: 00007f1468902000 RDI: 0000000000000001 <4>[ 39.781540] RBP: 00007f1468902000 R08: 00007f1468901010 R09: 0000000000000000 <4>[ 39.789801] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.798062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 39.806330] irq event stamp: 0 <4>[ 39.810059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.817351] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.826780] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.836208] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.843500] ---[ end trace d62b6f016571dab7 ]--- <6>[ 39.848945] lkdtm: Negative detected: saturated ES: 0000 CR0: 0000000080050033 # [ 30.140842] CR2: ffffa79980378fd6 CR3: 00000001028f6005 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 30.245668] lkdtm: Performing direct entry EXEC_RODATA # [ 30.254618] lkdtm: attempting ok execution at ffffffffbbd7e950 # [ 30.267667] lkdtm: attempting bad execution at ffffffffbd194640 # [ 30.280782] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 30.295606] BUG: unable to handle page fault for address: ffffffffbd194640 # [ 30.303575] #PF: supervisor instruction fetch in kernel mode # [ 30.310183] #PF: error_code(0x0011) - permissions violation # [ 30.316692] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 80000001598000e1 # [ 30.324766] Oops: 0011 [#9] SMP PTI # [ 30.328939] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 30.337878] Hardware name: Google Rammus/Rammus, BIOS 09/04<6>[ 39.952810] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE /2020 # [ 30.344975] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x<6>[ 39.961652] lkdtm: attempting bad refcount_dec_and_test() below zero 10 # [ 30.351006] Code: ff ff 8d 7c 44 bc ff ff ff ff 02 ac 6<4>[ 39.975281] ------------[ cut here ]------------ 1 bd ff ff ff ff d3 63 44 bc ff ff ff ff 55 aa 55 aa 00 00 00 00<4>[ 39.986950] refcount_t: underflow; use-after-free. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 39.998933] WARNING: CPU: 0 PID: 2214 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0 00 00 00 54 68 69 73 20 69 # [ 30.372279] RSP: 0018:ffffa79<4>[ 40.014779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 98236fe48 EFLAGS: 00010246 # [ 30.378403] RAX: 00000000000000<4>[ 40.073856] CPU: 0 PID: 2214 Comm: cat Tainted: G D W 5.10.210-cip44 #1 33 RBX: 0000000000000000 RCX: 0000000000000000 # [ 30.386663]<4>[ 40.088943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RDX: 0000000000000000 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf<4>[ 40.102281] RIP: 0010:refcount_warn_saturate+0xba/0x110 50 # [ 30.394922] RBP: ffffffffbd194640 R08: 0000000000000000<4>[ 40.114664] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 R09: 0000000000000000 # [ 30.403181] R10: 00000000ffffe000 R<4>[ 40.142108] RSP: 0018:ffffa79982b37e40 EFLAGS: 00010286 11: 3fffffffffffffff R12: 000000000000000c # [ 30.411445] R13<4>[ 40.154557] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 : ffffa7998236ff10 R14: ffffa7998236ff10 R15: ffff9085c661d000 <4>[ 40.168975] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 <4>[ 40.183450] RBP: ffffffffbd61a6d8 R08: 0000000000000000 R09: 0000000000000000 # [ 30.419705] FS: 00007fc69f9f1580(0000) GS:ffff90863ac00000<4>[ 40.191740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f (0000) knlGS:0000000000000000 # [ 30.429024] CS: 0010 DS: 00<4>[ 40.206234] R13: ffffa79982b37f10 R14: ffffa79982b37f10 R15: ffff9085c2e4b000 00 ES: 0000 CR0: 0000000080050033 # [ 30.435730] CR2: fffffff<4>[ 40.220693] FS: 00007fa114555580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 fbd194640 CR3: 00000001043ac006 CR4: 00000000003706f0 # [ 30.<4>[ 40.236278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.249165] CR2: 00007fa11435f000 CR3: 0000000100be0004 CR4: 00000000003706f0 443989] Call Trace: # [ 30.447008] ? __die_body.cold+0x1a/0x<4>[ 40.257475] Call Trace: 1f # [ 30.451682] ? no_context+0x177/0x380 # [ 30.456050]<4>[ 40.266708] ? __warn+0x80/0x110 ? exc_page_fault+0xd7/0x170 # [ 30.460724] ? asm_exc_page_<4>[ 40.276832] ? refcount_warn_saturate+0xba/0x110 fault+0x1e/0x30 # [ 30.465687] ? execute_location+0x45/0x56 <4>[ 40.288496] ? report_bug+0x9e/0xc0 # [ 30.470458] ? direct_entry.cold+0x2c/0x38 # [ 30.47531<4>[ 40.298925] ? handle_bug+0x41/0x90 2] ? full_proxy_write+0x53/0x80 # [ 30.480077] ? vfs_write+<4>[ 40.309284] ? exc_invalid_op+0x14/0x70 0xe7/0x3b0 # [ 30.484250] ? ksys_write+0x68/0xf0 # [ 30.4<4>[ 40.320109] ? asm_exc_invalid_op+0x12/0x20 88438] ? do_syscall_64+0x30/0x40 # [ 30.492912] ? entry_SYS<4>[ 40.331297] ? refcount_warn_saturate+0xba/0x110 CALL_64_after_hwframe+0x62/0xc7 # [ 30.499030] Modules linked<4>[ 40.342974] __refcount_sub_and_test.constprop.0+0x3c/0x50 in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_se<4>[ 40.355583] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 nsors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_bu<4>[ 40.368344] direct_entry.cold+0x2c/0x38 f industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cr<4>[ 40.379250] full_proxy_write+0x53/0x80 os_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd<4>[ 40.390030] vfs_write+0xe7/0x3b0 _logger videobuf2_vmalloc snd_compress cros_usbpd_charger videob<4>[ 40.400245] ksys_write+0x68/0xf0 uf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_th<4>[ 40.410487] do_syscall_64+0x30/0x40 ermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd<4>[ 40.420942] entry_SYSCALL_64_after_hwframe+0x62/0xc7 _notify cros_kbd_led_backlight chromeos_pstore coreboot_table #<4>[ 40.433130] RIP: 0033:0x7fa11446b473 [ 30.551790] CR2: ffffffffbd194640 # [ 30.555778] ---[ end<4>[ 40.443615] 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 trace d62b6f016571daaa ]--- # [ 30.561221] RIP: 0010:lkdtm_B<4>[ 40.471144] RSP: 002b:00007ffdaa31a068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.486096] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa11446b473 UG+0x5/0x10 # [ 30.565889] Code: 89 ff e8 5e c3 79 ff 48 c7 c<4>[ 40.494384] RDX: 000000000000001f RSI: 00007fa11435f000 RDI: 0000000000000001 0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0<4>[ 40.508875] RBP: 00007fa11435f000 R08: 00007fa11435e010 R09: 0000000000000000 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0<4>[ 40.523340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 00 0f 1f 44 00 00 83 05 70 78 2a 03 # [ 30.587160] RSP: 001<4>[ 40.537827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8:ffffa79981337e60 EFLAGS: 00010282 # [ 30.593275] RAX: fffff<4>[ 40.552305] irq event stamp: 0 fffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 3<4>[ 40.562225] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0.601534] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: fffff<4>[ 40.575726] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 fffbd1941b0 # [ 30.609794] RBP: ffffffffbd67f138 R08: 0000000<4>[ 40.591398] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000000001 R09: 0000000000000001 # [ 30.618054] R10: 00000000f<4>[ 40.607015] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.62<4>[ 40.620534] ---[ end trace d62b6f016571dab8 ]--- 6314] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c<6>[ 40.632190] lkdtm: Negative detected: saturated 3541000 # [ 30.634574] FS: 00007fc69f9f1580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 30.643893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.650598] CR2: ffffffffbd194640 CR3: 00000001043ac006 CR4: 00000000003706f0 # [ 30.658857] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.669057] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat # [ 30.677801] INFO: lockdep is turned off. # [ 30.682468] irq event stamp: 0 # [ 30.686164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.693444] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.702869] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.712294] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.719583] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 30.728520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.735613] Call Trace: # [ 30.738632] dump_stack+0x77/0x9b # [ 30.742622] ___might_sleep.cold+0xa6/0xb<6>[ 40.751235] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 40.763498] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 40.770921] ------------[ cut here ]------------ <4>[ 40.776400] refcount_t: underflow; use-after-free. 6 # [ 30.747484] exit_signals+0x1c/0x300 # [ 30.751763] <4>[ 40.782057] WARNING: CPU: 2 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 do_exit+0xc2/0xab0 # [ 30.755548] ? ksys_write+0x68/0xf0 # <4>[ 40.797972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.856961] CPU: 2 PID: 2250 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 40.865927] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.873025] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 40.879151] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 40.900426] RSP: 0018:ffffa79982bd7e40 EFLAGS: 00010286 <4>[ 40.906603] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 40.914895] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 40.923160] RBP: ffffffffbd61a6f8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.931439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 40.939700] R13: ffffa79982bd7f10 R14: ffffa79982bd7f10 R15: ffff9085c3010000 <4>[ 40.947985] FS: 00007f5de8cf4580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 [ 30.759730] make_task_dead+0x2f/0x30 # [ 30.764106] rewi<4>[ 40.957327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.970244] CR2: 00007f5de8afe000 CR3: 0000000103964001 CR4: 00000000003706e0 <4>[ 40.978506] Call Trace: <4>[ 40.981529] ? __warn+0x80/0x110 <4>[ 40.985457] ? refcount_warn_saturate+0xba/0x110 <4>[ 40.990906] ? report_bug+0x9e/0xc0 <4>[ 40.995092] ? handle_bug+0x41/0x90 <4>[ 40.999299] ? exc_invalid_op+0x14/0x70 <4>[ 41.003873] ? asm_exc_invalid_op+0x12/0x20 <4>[ 41.008837] ? refcount_warn_saturate+0xba/0x110 <4>[ 41.014315] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 41.020759] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 41.027275] direct_entry.cold+0x2c/0x38 <4>[ 41.031947] full_proxy_write+0x53/0x80 <4>[ 41.036547] vfs_write+0xe7/0x3b0 <4>[ 41.040562] ksys_write+0x68/0xf0 <4>[ 41.044554] do_syscall_64+0x30/0x40 <4>[ 41.048836] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.054768] RIP: 0033:0x7f5de8c0a473 <4>[ 41.059050] 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>[ 41.080326] RSP: 002b:00007fff53273258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.089074] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5de8c0a473 <4>[ 41.097336] RDX: 000000000000001f RSI: 00007f5de8afe000 RDI: 0000000000000001 <4>[ 41.105598] RBP: 00007f5de8afe000 R08: 00007f5de8afd010 R09: 0000000000000000 <4>[ 41.113859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.122121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nd_stack_and_make_dead+0x17/0x20 # [ 30.769647] RIP: 0033:0x7<4>[ 41.130405] irq event stamp: 0 <4>[ 41.140316] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.147608] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.157034] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.166462] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.173752] ---[ end trace d62b6f016571dab9 ]--- <6>[ 41.179198] lkdtm: Negative detected: saturated fc69f907473 # [ 30.773926] 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 # [ 30.795198] RSP: 002b:00007ffffd7f74b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.803943] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc69f907473 # [ 30.812201] RDX: 000000000000000c RSI: 00007fc69f7fb000 RDI: 0000000000000001 # [ 30.820460] RBP: 00007fc69f7fb000 R08: 00007fc69f7fa010 R09: 0000000000000000 # [ 30.828718] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.836978] 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 # [ 30.957328] lkdtm: Performing direct entry EXEC_USERSPACE # [ 30.969788] lkdtm: attempting ok execution at ffffffffbbd7e950 # [ 30.976644] lkdtm: attempting bad execution at 00007f4dee309000 # [ 30.989757] unable to execute userspace code (SMEP?) (uid: 0) # [ 30.996472] BUG: unable to handle page fault for address: 00007f4dee309000 # [ 31.010654] #PF: supervisor instruction fetch in kernel mode # [ 31.017261] #PF: error_code(0x0011) - permissions violation # [ 31.023773] PGD 8000000103544067 P4D 8000000103544067 PUD 103290067 PMD 102e4a067 PTE 10ae6c067 # [ 31.033784] Oops: 0011 [#10] SMP PTI # [ 31.038063] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 31.047001] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.054097] RIP: 0010:0x7f4dee309000 # [ 31.058367] Code: Unable to access opcode bytes at RIP 0x7f4dee308fd6. # [ 31.065947] RSP: 0018:ffffa79982417e50 EFLAGS: 00010246 # [ 31.072071] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 31.080329] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 31.088588] RBP: 00007f4dee309000 R08: 0000000000000000 R09: 0000000000000000 # [ 31.096846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f<6>[ 41.396933] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 41.404808] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 41.412198] lkdtm: Good: zero detected <6>[ 41.416675] lkdtm: Correctly stayed at zero <6>[ 41.421640] lkdtm: attempting bad refcount_inc() from zero <4>[ 41.428064] ------------[ cut here ]------------ <4>[ 41.433513] refcount_t: addition on 0; use-after-free. <4>[ 41.439575] WARNING: CPU: 2 PID: 2283 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 31.105103] R13: ffffa79982417f10 R14: ffffa79982417f10 R<4>[ 41.449300] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.508268] CPU: 2 PID: 2283 Comm: cat Tainted: G D W 5.10.210-cip44 #1 15: ffff9085c31cd000 # [ 31.113362] FS: 00007f4dee2da580(000<4>[ 41.517227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.530529] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 41.536658] Code: 02 01 e8 a9 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 bd c6 05 05 cd 36 02 01 e8 86 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 <4>[ 41.557934] RSP: 0018:ffffa79982c57e48 EFLAGS: 00010286 <4>[ 41.564063] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 41.572327] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 41.580589] RBP: ffffffffbd61aa99 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.588852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 41.597115] R13: ffffa79982c57f10 R14: ffffa79982c57f10 R15: ffff9085c2b42000 <4>[ 41.605402] FS: 00007f33a19e2580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 41.614727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.621449] CR2: 00007f33a17ec000 CR3: 0000000102bea005 CR4: 00000000003706e0 <4>[ 41.629712] Call Trace: <4>[ 41.632736] ? __warn+0x80/0x110 0) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 31.12<4>[ 41.636660] ? refcount_warn_saturate+0x74/0x110 <4>[ 41.648314] ? report_bug+0x9e/0xc0 <4>[ 41.652502] ? handle_bug+0x41/0x90 <4>[ 41.656717] ? exc_invalid_op+0x14/0x70 <4>[ 41.661294] ? asm_exc_invalid_op+0x12/0x20 <4>[ 41.666291] ? refcount_warn_saturate+0x74/0x110 <4>[ 41.671771] ? refcount_warn_saturate+0x74/0x110 <4>[ 41.677251] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 41.682507] direct_entry.cold+0x2c/0x38 <4>[ 41.687203] full_proxy_write+0x53/0x80 2691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 3<4>[ 41.691813] vfs_write+0xe7/0x3b0 <4>[ 41.702014] ksys_write+0x68/0xf0 <4>[ 41.706006] do_syscall_64+0x30/0x40 <4>[ 41.710289] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.716223] RIP: 0033:0x7f33a18f8473 <4>[ 41.720505] 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>[ 41.741779] RSP: 002b:00007ffd4fc15b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.750530] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f33a18f8473 <4>[ 41.758790] RDX: 0000000000000012 RSI: 00007f33a17ec000 RDI: 0000000000000001 <4>[ 41.767044] RBP: 00007f33a17ec000 R08: 00007f33a17eb010 R09: 0000000000000000 <4>[ 41.775305] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.783566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 41.791833] irq event stamp: 0 <4>[ 41.795562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.802854] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.812283] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.821708] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.829000] ---[ end trace d62b6f016571daba ]--- <6>[ 41.834446] lkdtm: Zero detected: saturated 1.129396] CR2: 00007f4dee309000 CR3: 0000000103614002 CR4: 00000000003706e0 # [ 31.137657] Call Trace: # [ 31.140677] ? __die_body.cold+0x1a/0x1f # [ 31.145345] ? no_context+0x177/0x380 # [ 31.149716] ? exc_page_fault+0x53/0x170 # [ 31.154399] ? asm_exc_page_fault+0x1e/0x30 # [ 31.159363] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 31.165002] ? direct_entry.cold+0x2c/0x38 # [ 31.169857] ? full_proxy_write+0x53/0x80 # [ 31.174623] ? vfs_write+0xe7/0x3b0 # [ 31.178806] ? ksys_write+0x68/0xf0 # [ 31.182988] ? do_syscall_64+0x30/0x40 # [ 31.187463] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 31.193581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo<6>[ 41.939470] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO n regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight ch<6>[ 41.951756] lkdtm: attempting safe refcount_add_not_zero() from zero romeos_pstore coreboot_table # [ 31.252564] CR2: 00007f4dee30<6>[ 41.965399] lkdtm: Good: zero detected 9000 # [ 31.256552] ---[ end trace d62b6f016571daab ]--- # [<6>[ 41.976090] lkdtm: Correctly stayed at zero 31.261997] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.266664] Cod<6>[ 41.987260] lkdtm: attempting bad refcount_add() from zero e: 89 ff e8 5e c3 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f<4>[ 41.999969] ------------[ cut here ]------------ f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00<4>[ 42.011608] refcount_t: addition on 0; use-after-free. <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 70 78 2<4>[ 42.023969] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 a 03 # [ 31.287933] RSP: 0018:ffffa79981337e60 EFLAGS: 000102<4>[ 42.039832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 82 # [ 31.294056] RAX: ffffffffbbd7e580 RBX: 0000000000000001<4>[ 42.098899] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.210-cip44 #1 RCX: 0000000000000000 # [ 31.302316] RDX: 0000000000000000 R<4>[ 42.114029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 SI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 31.310575] RBP<4>[ 42.127332] RIP: 0010:refcount_warn_saturate+0x74/0x110 : ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.139701] Code: 02 01 e8 a9 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 bd c6 05 05 cd 36 02 01 e8 86 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 # [ 31.318833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12<4>[ 42.167177] RSP: 0018:ffffa79982cb7e48 EFLAGS: 00010286 : 0000000000000004 # [ 31.327092] R13: ffffa79981337f10 R14: <4>[ 42.179549] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ffffa79981337f10 R15: ffff9085c3541000 # [ 31.335352] FS: 00<4>[ 42.194016] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 007f4dee2da580(0000) GS:ffff90863ad00000(0000) knlGS:00000000000<4>[ 42.208504] RBP: ffffffffbd61aaab R08: 0000000000000000 R09: 0000000000000000 00000 # [ 31.344671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000<4>[ 42.222938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 080050033 # [ 31.351378] CR2: 00007f4dee309000 CR3: 000000010<4>[ 42.237439] R13: ffffa79982cb7f10 R14: ffffa79982cb7f10 R15: ffff9085c6585000 3614002 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace<4>[ 42.251937] FS: 00007f8c74ed8580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 :': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: <4>[ 42.267489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lkdtm: EXEC_NULL.sh # Killed # [ 31.456325] lkdtm: Performin<4>[ 42.280413] CR2: 00007f8c74ce2000 CR3: 000000010371a006 CR4: 00000000003706f0 g direct entry EXEC_NULL # [ 31.464984] lkdtm: attempting ok <4>[ 42.294881] Call Trace: execution at ffffffffbbd7e950 # [ 31.477985] lkdtm: attemptin<4>[ 42.304160] ? __warn+0x80/0x110 g bad execution at 0000000000000000 # [ 31.491104] BUG: kerne<4>[ 42.314260] ? refcount_warn_saturate+0x74/0x110 l NULL pointer dereference, address: 0000000000000000 # [ 31.<4>[ 42.325926] ? report_bug+0x9e/0xc0 505402] #PF: supervisor instruction fetch in kernel mode # [ <4>[ 42.336335] ? handle_bug+0x41/0x90 31.512011] #PF: error_code(0x0010) - not-present page # [ 31.<4>[ 42.346724] ? exc_invalid_op+0x14/0x70 518039] PGD 0 P4D 0 # [ 31.521154] Oops: 0010 [#11] SMP PTI <4>[ 42.357512] ? asm_exc_invalid_op+0x12/0x20 # [ 31.525451] CPU: 1 PID: 1794 Comm: cat Tainted: G D W<4>[ 42.368702] ? refcount_warn_saturate+0x74/0x110 5.10.210-cip44 #1 # [ 31.534395] Hardware name: Goog<4>[ 42.380380] ? refcount_warn_saturate+0x74/0x110 le Rammus/Rammus, BIOS 09/04/2020 # [ 31.541492] RIP: 0010:0<4>[ 42.392006] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 x0 # [ 31.544702] Code: Unable to access opcode bytes at RIP <4>[ 42.403515] direct_entry.cold+0x2c/0x38 0xffffffffffffffd6. # [ 31.552671] RSP: 0018:ffffa7998249fe48<4>[ 42.414416] full_proxy_write+0x53/0x80 EFLAGS: 00010246 # [ 31.558794] RAX: 0000000000000033 RBX: 0<4>[ 42.425231] vfs_write+0xe7/0x3b0 000000000000000 RCX: 0000000000000000 # [ 31.567053] RDX: 000<4>[ 42.435415] ksys_write+0x68/0xf0 0000000000000 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 # [ <4>[ 42.445633] do_syscall_64+0x30/0x40 31.575313] RBP: 0000000000000000 R08: 0000000000000000 R09: 000<4>[ 42.456145] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0000000000000 # [ 31.583571] R10: 00000000ffffe000 R11: 3ffff<4>[ 42.468282] RIP: 0033:0x7f8c74dee473 fffffffffff R12: 000000000000000a # [ 31.591829] R13: ffffa79<4>[ 42.478778] 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 98249ff10 R14: ffffa7998249ff10 R15: ffff9085c2e5d000 # [ 31.<4>[ 42.506286] RSP: 002b:00007ffda6b57218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 600088] FS: 00007fe2d3498580(0000) GS:ffff90863ac80000(0000) kn<4>[ 42.521275] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8c74dee473 lGS:0000000000000000 # [ 31.609416] CS: 0010 DS: 0000 ES: 00<4>[ 42.535754] RDX: 0000000000000012 RSI: 00007f8c74ce2000 RDI: 0000000000000001 00 CR0: 0000000080050033 # [ 31.616113] CR2: ffffffffffffffd6<4>[ 42.550262] RBP: 00007f8c74ce2000 R08: 00007f8c74ce1010 R09: 0000000000000000 CR3: 00000001030ae004 CR4: 00000000003706e0 # [ 31.624396] C<4>[ 42.564738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 all Trace: # [ 31.627417] ? __die_body.cold+0x1a/0x1f # [ <4>[ 42.579247] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 31.638325] ? no_context+0x177/0x380 # [ 31.642705] ? exc_p<4>[ 42.593723] irq event stamp: 0 age_fault+0x53/0x170 # [ 31.653582] ? asm_exc_page_fault+0x1<4>[ 42.603672] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e/0x30 # [ 31.658547] execute_location+0x45/0x56 # [ 31.6<4>[ 42.617150] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 69332] direct_entry.cold+0x2c/0x38 # [ 31.674003] full_prox<4>[ 42.632807] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 y_write+0x53/0x80 # [ 31.684784] vfs_write+0xe7/0x3b0 # [ <4>[ 42.648436] softirqs last disabled at (0): [<0000000000000000>] 0x0 31.688774] ksys_write+0x68/0xf0 # [ 31.698972] do_syscall_<4>[ 42.661974] ---[ end trace d62b6f016571dabb ]--- 64+0x30/0x40 # [ 31.703252] entry_SYSCALL_64_after_hwframe+0<6>[ 42.673645] lkdtm: Zero detected: saturated x62/0xc7 # [ 31.709173] RIP: 0033:0x7fe2d33ae473 # [ 31.713452] 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 # [ 31.734724] RSP: 002b:00007ffdc004fcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.743471] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2d33ae473 # [ 31.751723] RDX: 000000000000000a RSI: 00007fe2d32a2000 RDI: 0000000000000001 # [ 31.759973] RBP: 00007fe2d32a2000 R08: 00007fe2d32a1010 R09: 0000000000000000 # [ 31.768234] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.776484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.784747] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.843693] CR2: 0000000000000000 # [ 31.847680] ---[ end trace d62b6f016571daac ]--- # [ 31.853125] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.857792] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 31.879063] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 31.885178] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.893442] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 31.901701] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 31.909959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.918220] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 31.926470] FS: 00007fe2d3498580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 31.935797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.942503] CR2: ffffffffffffffd6 CR3: 00000001030ae004 CR4: 00000000003706e0 # [ 31.950765] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.960966] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat # [ 31.969712] INFO: lockdep is turned off. # [ 31.974397] irq event stamp: 0 # [ 31.978085] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.985368] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.994820] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.010456] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.017744] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 32.026682] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.033775] Call Trace: # [ 32.036795] dump_stack+0x77/0x9b # [ 32.040785] ___might_sleep.cold+0xa6/0xb6 # [ 32.051858] exit_signals+0x1c/0x300 # [ 32.056140] do_exit+0xc2/0xab0 #<6>[ 43.019773] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 32.066146] ? ksys_write+0x68/0xf0 # [ 32.070331] make_<6>[ 43.027125] lkdtm: attempting bad refcount_inc() from saturated task_dead+0x2f/0x30 # [ 32.074708] rewind_stack_and_make_dea<4>[ 43.040269] ------------[ cut here ]------------ d+0x17/0x20 # [ 32.080242] RIP: 0033:0x7fe2d33ae473 # [ 32<4>[ 43.051922] refcount_t: saturated; leaking memory. .084513] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[ 43.063829] WARNING: CPU: 0 PID: 2352 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00<4>[ 43.079709] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<4>[ 43.138749] CPU: 0 PID: 2352 Comm: cat Tainted: G D W 5.10.210-cip44 #1 8 48 89 54 24 18 # [ 32.105781] RSP: 002b:00007ffdc004fcd8 EF<4>[ 43.153826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.114528] RAX:<4>[ 43.167140] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2d33ae473 #<4>[ 43.179539] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 [ 32.122779] RDX: 000000000000000a RSI: 00007fe2d32a2000 RDI:<4>[ 43.206984] RSP: 0018:ffffa79982d67e48 EFLAGS: 00010286 0000000000000001 # [ 32.131038] RBP: 00007fe2d32a2000 R08: 0<4>[ 43.219317] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0007fe2d32a1010 R09: 0000000000000000 # [ 32.139298] R10: fff<4>[ 43.233826] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 43.248282] RBP: ffffffffbd61aabd R08: 0000000000000000 R09: 0000000000000000 32.147556] R13: 0000000000000001 R14: 0000000000020000 R15: 000<4>[ 43.262761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftes<4>[ 43.277275] R13: ffffa79982d67f10 R14: ffffa79982d67f10 R15: ffff9085c318b000 ts: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh<4>[ 43.291725] FS: 00007fdefba3d580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # Killed # [ 32.274536] lkdtm: Performing direct entry ACCE<4>[ 43.307276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 SS_USERSPACE # [ 32.286660] lkdtm: attempting bad read at 000<4>[ 43.320204] CR2: 00007fdefb847000 CR3: 0000000104f40002 CR4: 00000000003706f0 07ff86e2aa000 # [ 32.293094] BUG: unable to handle page fault<4>[ 43.334693] Call Trace: for address: 00007ff86e2aa000 # [ 32.307266] #PF: supervisor<4>[ 43.343923] ? __warn+0x80/0x110 read access in kernel mode # [ 32.313294] #PF: error_code(0x<4>[ 43.354042] ? refcount_warn_saturate+0x51/0x110 0001) - permissions violation # [ 32.319804] PGD 8000000105ad<4>[ 43.365695] ? report_bug+0x9e/0xc0 4067 P4D 8000000105ad4067 PUD 103061067 PMD 103060067 PTE 10e5f3<4>[ 43.376105] ? handle_bug+0x41/0x90 067 # [ 32.329815] Oops: 0001 [#12] SMP PTI # [ 32.334094]<4>[ 43.386497] ? exc_invalid_op+0x14/0x70 CPU: 3 PID: 1830 Comm: cat Tainted: G D W 5.10.210<4>[ 43.397295] ? asm_exc_invalid_op+0x12/0x20 -cip44 #1 # [ 32.343034] Hardware name: Google Rammus/Rammus,<4>[ 43.408481] ? refcount_warn_saturate+0x51/0x110 BIOS 09/04/2020 # [ 32.350131] RIP: 0010:lkdtm_ACCESS_USERS<4>[ 43.420173] ? refcount_warn_saturate+0x51/0x110 PACE.cold+0x41/0xa3 # [ 32.356643] Code: 00 00 00 75 64 48 83<4>[ 43.431812] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 b9 61 bd e8 63 d7 <4>[ 43.443773] direct_entry.cold+0x2c/0x38 fb ff 48 c7 c7 48 b9 61 bd b8 de c0 de c0 <48> 03 45 00 48 89 04<4>[ 43.454653] full_proxy_write+0x53/0x80 24 e8 4a d7 fb ff 48 89 ee 48 c7 c7 70 b9 61 # [ 32.377912] <4>[ 43.465471] vfs_write+0xe7/0x3b0 RSP: 0018:ffffa7998252fe48 EFLAGS: 00010246 # [ 32.384035] RA<4>[ 43.475656] ksys_write+0x68/0xf0 X: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 43.485875] do_syscall_64+0x30/0x40 # [ 32.392296] RDX: 0000000000000000 RSI: ffff90863ad9bf50 RD<4>[ 43.496359] entry_SYSCALL_64_after_hwframe+0x62/0xc7 I: ffffffffbd61b948 # [ 32.400554] RBP: 00007ff86e2aa000 R08:<4>[ 43.508506] RIP: 0033:0x7fdefb953473 0000000000000000 R09: 0000000000000000 # [ 32.408833] R10: 0<4>[ 43.519020] 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 0000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [<4>[ 43.546490] RSP: 002b:00007ffcf460f9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 32.417092] R13: ffffa7998252ff10 R14: ffffa7998252ff10 R15: f<4>[ 43.561522] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdefb953473 fff9085c2afb000 # [ 32.425352] FS: 00007ff86e27b580(0000) GS<4>[ 43.575956] RDX: 0000000000000017 RSI: 00007fdefb847000 RDI: 0000000000000001 :ffff90863ad80000(0000) knlGS:0000000000000000 # [ 32.434680]<4>[ 43.590471] RBP: 00007fdefb847000 R08: 00007fdefb846010 R09: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.441<4>[ 43.604917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 396] CR2: 00007ff86e2aa000 CR3: 00000001032b4005 CR4: 0000000000<4>[ 43.619455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3706e0 # [ 32.449656] Call Trace: # [ 32.452682] ? __die_<4>[ 43.633913] irq event stamp: 0 body.cold+0x1a/0x1f # [ 32.457340] ? no_context+0x177/0x380 <4>[ 43.643866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.461733] ? exc_page_fault+0x53/0x170 # [ 32.466403]<4>[ 43.657352] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ? asm_exc_page_fault+0x1e/0x30 # [ 32.471365] ? lkdtm_ACCE<4>[ 43.673005] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 SS_USERSPACE.cold+0x41/0xa3 # [ 32.477199] ? lkdtm_ACCESS_US<4>[ 43.688629] softirqs last disabled at (0): [<0000000000000000>] 0x0 ERSPACE.cold+0x35/0xa3 # [ 32.483032] direct_entry.cold+0x2c<4>[ 43.702138] ---[ end trace d62b6f016571dabc ]--- /0x38 # [ 32.487702] full_proxy_write+0x53/0x80 # [ 32.49<6>[ 43.713816] lkdtm: Saturation detected: still saturated 2274] vfs_write+0xe7/0x3b0 # [ 32.496262] ksys_write+0x68/0xf0 # [ 32.500250] do_syscall_64+0x30/0x40 # [ 32.504528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 32.510458] RIP: 0033:0x7ff86e191473 # [ 32.514728] 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 # [ 32.535989] RSP: 002b:00007ffc2390eb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.544735] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff86e191473 # [ 32.552993] RDX: 0000000000000011 RSI: 00007ff86e085000 RDI: 0000000000000001 # [ 32.561253] RBP: 00007ff86e085000 R08: 00007ff86e084010 R09: 0000000000000000 # [ 32.569513] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.577771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.586033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da<6>[ 43.829121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cro<6>[ 43.838908] lkdtm: attempting bad refcount_dec() from saturated s_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debug<4>[ 43.852029] ------------[ cut here ]------------ <4>[ 43.863687] refcount_t: decrement hit 0; leaking memory. fs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_c<4>[ 43.869944] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 harger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x8<4>[ 43.885840] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 6_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_h<4>[ 43.944797] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 43.959955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 id cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore core<4>[ 43.967059] RIP: 0010:refcount_warn_saturate+0xfb/0x110 boot_table # [ 32.645017] CR2: 00007ff86e2aa000 # [ 32.649<4>[ 43.979402] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 005] ---[ end trace d62b6f016571daad ]--- # [ 32.654456] RIP:<4>[ 44.006899] RSP: 0018:ffffa79982e07e48 EFLAGS: 00010286 0010:lkdtm_BUG+0x5/0x10 # [ 32.659121] Code: 89 ff e8 5e c3 <4>[ 44.019240] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 44.033743] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 44.048202] RBP: ffffffffbd61aad4 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.062680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 84 00 00 00 00 00 0f 1f 44 00 00 83 05 70 78 2a 03 # [ 32.680<4>[ 44.070943] R13: ffffa79982e07f10 R14: ffffa79982e07f10 R15: ffff9085c2b32000 <4>[ 44.085416] FS: 00007f1428bee580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 399] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 32.68652<4>[ 44.094748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.107668] CR2: 00007f14289f8000 CR3: 000000010372c002 CR4: 00000000003706e0 2] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 000000000000<4>[ 44.115932] Call Trace: 0000 # [ 32.694781] RDX: 0000000000000000 RSI: ffff90863ad1bf<4>[ 44.125183] ? __warn+0x80/0x110 50 RDI: ffffffffbd1941b0 # [ 32.703039] RBP: ffffffffbd67f138<4>[ 44.135273] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.146936] ? report_bug+0x9e/0xc0 R08: 0000000000000001 R09: 0000000000000001 # [ 32.711299] R<4>[ 44.151124] ? handle_bug+0x41/0x90 <4>[ 44.161516] ? exc_invalid_op+0x14/0x70 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 44.166092] ? asm_exc_invalid_op+0x12/0x20 # [ 32.719557] R13: ffffa79981337f10 R14: ffffa79981337f10 R<4>[ 44.177266] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.188928] ? refcount_warn_saturate+0xfb/0x110 15: ffff9085c3541000 # [ 32.727815] FS: 00007ff86e27b580(000<4>[ 44.194406] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 0) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 32.73<4>[ 44.206353] direct_entry.cold+0x2c/0x38 7141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 3<4>[ 44.217240] full_proxy_write+0x53/0x80 2.743846] CR2: 00007ff86e2aa000 CR3: 00000001032b4005 CR4: 00000<4>[ 44.228029] vfs_write+0xe7/0x3b0 000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 se<4>[ 44.238235] ksys_write+0x68/0xf0 <4>[ 44.248449] do_syscall_64+0x30/0x40 lftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_<4>[ 44.252756] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.264897] RIP: 0033:0x7f1428b04473 NULL.sh # Killed # [ 32.838076] lkdtm: Performing direct ent<4>[ 44.269180] 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 ry ACCESS_NULL # [ 32.845191] lkdtm: attempting bad read at 0<4>[ 44.296668] RSP: 002b:00007ffe49998dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.311632] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1428b04473 000000000000000 # [ 32.851644] BUG: kernel NULL pointer deref<4>[ 44.319896] RDX: 0000000000000017 RSI: 00007f14289f8000 RDI: 0000000000000001 <4>[ 44.334387] RBP: 00007f14289f8000 R08: 00007f14289f7010 R09: 0000000000000000 erence, address: 0000000000000000 # [ 32.859740] #PF: supervi<4>[ 44.342660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.357133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sor read access in kernel mode # [ 32.865768] #PF: error_code<4>[ 44.365408] irq event stamp: 0 <4>[ 44.375311] hardirqs last enabled at (0): [<0000000000000000>] 0x0 (0x0000) - not-present page # [ 32.871793] PGD 0 P4D 0 # [ <4>[ 44.382631] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.398269] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 32.874908] Oops: 0000 [#13] SMP PTI # [ 32.879187] CPU: 3 P<4>[ 44.407701] softirqs last disabled at (0): [<0000000000000000>] 0x0 ID: 1866 Comm: cat Tainted: G D W 5.10.210-cip44 #1<4>[ 44.421204] ---[ end trace d62b6f016571dabd ]--- <6>[ 44.432866] lkdtm: Saturation detected: still saturated # [ 32.888125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.895223] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 32.900763] Code: 07 d7 fb ff be 00 10 00 00 48 89 ef e8 e8 0f 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 b9 61 bd e8 e1 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 b9 61 bd 48 01 # [ 32.922035] RSP: 0018:ffffa799825c7e58 EFLAGS: 00010246 # [ 32.928157] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 32.936416] RDX: 0000000000000000 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 32.944675] RBP: ffffffffbd61aa11 R08: 0000000000000000 R09: 0000000000000000 # [ 32.952933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 32.961196] R13: ffffa799825c7f10 R14: ffffa799825c7f10 R15: ffff9085c328c000 # [ 32.969460] FS: 00007f21855c1580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 32.978787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.985493] CR2: 0000000000000000 CR3: 0000000102be6003 CR4: 00000000003706e0 # [ 32.993751] Call Trace: # [ 32.996770] ? __die_body.cold+0x1a/0x1f # [ 33.001447] ? no_context+0x177/0x380 # [ 33.005826] <6>[ 44.550788] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 44.564186] lkdtm: attempting bad refcount_dec() from saturated <4>[ 44.571095] ------------[ cut here ]------------ <4>[ 44.576576] refcount_t: saturated; leaking memory. <4>[ 44.582279] WARNING: CPU: 3 PID: 2424 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ? exc_page_fault+0x53/0x170 # [ 33.010493] ? asm_exc_page_fa<4>[ 44.592003] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.650954] CPU: 3 PID: 2424 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 44.659926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.667025] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 44.673153] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 <4>[ 44.694453] RSP: 0018:ffffa79982e5fe48 EFLAGS: 00010286 <4>[ 44.700580] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 44.708842] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 44.717105] RBP: ffffffffbd61aaeb R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.725367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 44.733652] R13: ffffa79982e5ff10 R14: ffffa79982e5ff10 R15: ffff9085c3286000 <4>[ 44.741915] FS: 00007fba5eea5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 44.751245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.757954] CR2: 00007fba5ecaf000 CR3: 0000000106014006 CR4: 00000000003706e0 <4>[ 44.766216] Call Trace: <4>[ 44.769239] ? __warn+0x80/0x110 ult+0x1e/0x30 # [ 33.015452] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.773159] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.784817] ? report_bug+0x9e/0xc0 <4>[ 44.789005] ? handle_bug+0x41/0x90 <4>[ 44.793214] ? exc_invalid_op+0x14/0x70 <4>[ 44.797788] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.802754] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.808232] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.813680] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 44.819434] direct_entry.cold+0x2c/0x38 <4>[ 44.824138] full_proxy_write+0x53/0x80 <4>[ 44.828736] vfs_write+0xe7/0x3b0 # [ 33.020305] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 33.025159<4>[ 44.832733] ksys_write+0x68/0xf0 <4>[ 44.842935] do_syscall_64+0x30/0x40 <4>[ 44.847243] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.853177] RIP: 0033:0x7fba5edbb473 <4>[ 44.857483] 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>[ 44.878757] RSP: 002b:00007ffdbdff6ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.887506] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fba5edbb473 <4>[ 44.895768] RDX: 0000000000000017 RSI: 00007fba5ecaf000 RDI: 0000000000000001 <4>[ 44.904030] RBP: 00007fba5ecaf000 R08: 00007fba5ecae010 R09: 0000000000000000 <4>[ 44.912292] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.920554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.928820] irq event stamp: 0 ] direct_entry.cold+0x2c/0x38 # [ 33.029828] full_proxy_wri<4>[ 44.932543] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.946046] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.955476] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.964903] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.972195] ---[ end trace d62b6f016571dabe ]--- <6>[ 44.977640] lkdtm: Saturation detected: still saturated te+0x53/0x80 # [ 33.034400] vfs_write+0xe7/0x3b0 # [ 33.038390] ksys_write+0x68/0xf0 # [ 33.048590] do_syscall_64+0x30/0x40 # [ 33.052868] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.058798] RIP: 0033:0x7f21854d7473 # [ 33.063068] 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 # [ 33.084339] RSP: 002b:00007ffd62cad628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.093076] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f21854d7473 # [ 33.101336] RDX: 000000000000000c RSI: 00007f21853cb000 RDI: 0000000000000001 # [ 33.109594] RBP: 00007f21853cb000 R08: 00007f21853ca010 R09: 0000000000000000 # [ 33.117854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.126112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.134401] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_tr<6>[ 45.086227] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 45.097446] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 45.105257] ------------[ cut here ]------------ <4>[ 45.110741] refcount_t: saturated; leaking memory. iggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lig<4>[ 45.116416] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 htbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo s<4>[ 45.132338] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.191330] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 45.200296] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 nd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc <4>[ 45.207402] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 45.219745] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 <4>[ 45.241019] RSP: 0018:ffffa79982f17e38 EFLAGS: 00010282 <4>[ 45.247149] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 45.255416] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 45.263679] RBP: ffffffffbd61a718 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.271941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 45.280203] R13: ffffa79982f17f10 R14: ffffa79982f17f10 R15: ffff9085c2ba5000 <4>[ 45.288472] FS: 00007fcee6d6f580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 45.297837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.304571] CR2: 00007fcee6b79000 CR3: 0000000102be8004 CR4: 00000000003706e0 <4>[ 45.312835] Call Trace: <4>[ 45.315858] ? __warn+0x80/0x110 snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengi<4>[ 45.319778] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.331445] ? report_bug+0x9e/0xc0 <4>[ 45.335630] ? handle_bug+0x41/0x90 <4>[ 45.339840] ? exc_invalid_op+0x14/0x70 <4>[ 45.344414] ? asm_exc_invalid_op+0x12/0x20 ne videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<4>[ 45.349380] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.361035] ? refcount_warn_saturate+0x97/0x110 <4>[ 45.366484] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 45.372934] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 45.379548] direct_entry.cold+0x2c/0x38 <4>[ 45.384221] full_proxy_write+0x53/0x80 <4>[ 45.388821] vfs_write+0xe7/0x3b0 <4>[ 45.392836] ksys_write+0x68/0xf0 <4>[ 45.396828] do_syscall_64+0x30/0x40 <4>[ 45.401112] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.407046] RIP: 0033:0x7fcee6c85473 <4>[ 45.411329] 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>[ 45.432606] RSP: 002b:00007ffd5f2ebcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.441356] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcee6c85473 <4>[ 45.449618] RDX: 0000000000000020 RSI: 00007fcee6b79000 RDI: 0000000000000001 <4>[ 45.457879] RBP: 00007fcee6b79000 R08: 00007fcee6b78010 R09: 0000000000000000 <4>[ 45.466142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.474405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.482672] irq event stamp: 0 <4>[ 45.486406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backl<4>[ 45.493700] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.509337] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.518765] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.526056] ---[ end trace d62b6f016571dabf ]--- <6>[ 45.531502] lkdtm: Saturation detected: still saturated ight chromeos_pstore coreboot_table # [ 33.193350] CR2: 0000000000000000 # [ 33.197338] ---[ end trace d62b6f016571daae ]--- # [ 33.202785] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.207450] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 33.228719] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 33.234842] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.243103] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 33.251363] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 33.259623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.267882] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 33.276141] FS: 00007f21855c1580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 33.285468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.292172] CR2: 0000000000000000 CR3: 0000000102be6003 CR4: 00000000003706e0 # [ 33.300448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.310648] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat # [ 33.319398] INFO: lockdep is turned off. # [ 33.324066] irq event stamp: 0 # [ 33.327762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.335051] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.344476] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.353900] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.361188] CPU: 3 PID: 1866 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 33.370128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.377222] Call Trace: # [ 33.380240] dump_stack+0x77/0x9b # [ 33.384229] ___might_sleep.cold+0xa6/0xb6 # [ 33.389091] exit_signals+0x1c/0x300 # [ 33.393363] do_exit+0xc2/0xab0 # [ 33.397158] ? ksys_write+0x68/0xf0 # [ 33.401341] make_task_dead+0x2f/0x30 # [ 33.405718] rewind_stack_and_make_dead+0x17/0x20 # [ 33.411259] RIP: 0033:0x7f21854d7473 # [ 33.415537] 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 # [ 33.436808] RSP: 002b:00007ffd62cad628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.445554] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f21854d7473 # [ 33.453813] RDX: 000000000000000c RSI: 00007f21853cb000 RDI: 0000000000000001 # [ 33.462071] RBP: 00007f21853cb000 R08: 00007f21853ca010 R09: 0000000000000000 # [ 33.470330] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.478588] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 33.591736] lkdtm: Performing direct entry WRITE_RO # [ 33.598287] lkdtm: attempting bad rodata write at ffffffffbd194630 # [ 33.611704] BUG: unable to handle page fault for address: ffffffffbd194630 # [ 33.625880] #PF: supervisor write access in kernel mode # [ 33.632005] #PF: error_code(0x0003) - permissions violation # [ 33.644729] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 80000001598000e1 # [ 33.652799] Oops: 0003 [#14] SMP PTI # [ 33.663290] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 33.672230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.679327] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 33.684579] Code: 00 48 c7 c7 00 b8 61 bd 48 c7 c6 30 46 19 bd e8 8b d9 fb ff 48 8b 05 12 df d4 00 ba 34 12 cd ab 48 c7 c7 30 b8 61 bd 48 31 d0 <48> 89 05 fc de d4 00 e9 69 d9 fb ff 0f 1f 44 00 00 48 8b 05 0b ac # [ 33.712065] RSP: 0018:ffffa79982637e60 EFLAGS: 00010202 # [ 33.718189] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 33.726451] RDX: 00000000abcd1234 RSI: ffff90863ac9bf50 RDI: ffffffffbd61b830 # [ 33.734711] RBP: ffffffffbd61aa1d R08: 0000000000000000 R09: 0000000000000000 # [ 33.742970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 33.751231] R13: ffffa79982637f10 R14: ffffa79982637f10 R15: ffff9085c2b83000 # [ 33.759491] FS: 00007f157d162580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 33.768820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.775526] CR2: ffffffffbd194630 CR3: 00000001065da001 CR4: 00000000003706e0 # [ 33.783786] Call Trace: # [ 33.786807] ? __die_body.cold+0x1a/0x1f # [ 33.797693] ? no_context+0x177/0x380 # [ 33.802074] ? exc_page_fault+0xd7/0x170 # [ 33.806743] ? asm_exc_page_fault+0x1e/0x30 # [ 33.817915] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 33.822489] direct_entry.cold+0x2c/0x38 # [ 33.833388] full_proxy_write+0x53/0x80 # [ 33.837967] vfs_write+0xe7/0x3b0 # [ 33.848168] ksys_write+0x68/0xf0 # [ 33.852156] do_syscall_64+0x30/0x40 # [ 33.856442] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.862399] RIP: 0033:0x7f157d078473 # [ 33.866678] 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 # [ 33.887942] RSP: 002b:00007ffc50841758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.896688] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f157d078473 # [ 33.904948] RDX: 0000000000000009 RSI: 00007f157cf6c000 RDI: 0000000000000001 # [ 33.913206] RBP: 00007f157cf6c000 R08: 00007f157cf6b010 R09: 0000000000000000 # [ 33.921465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.929723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.937986] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.996938] CR2: ffffffffbd194630 # [ 34.000925] ---[ end trace d62b6f016571daaf ]--- # [ 34.006371] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.011064] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 34.038550] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 34.044675] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.052934] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 34.061193] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 34.069452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.077712] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 34.085972] FS: 00007f157d162580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 34.095300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.102006] CR2: ffffffffbd194630 CR3: 00000001065da001 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 34.202206] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 34.210315] lkdtm: attempting bad ro_after_init write at ffffffffbd6a1350 # [ 34.218202] BUG: unable to handle page fault for address: ffffffffbd6a1350 # [ 34.226197] #PF: supervisor write access in kernel mode # [ 34.238533] #PF: error_code(0x0003) - permissions violation # [ 34.245046] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 1053b4063 PTE 8000000159ea1061 # [ 34.254396] Oops: 0003 [#15] SMP PTI # [ 34.258675] CPU: 3 PID: 1938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 34.267615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.274714] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 34.281031] Code: b8 61 bd e9 3d d9 fb ff 48 c7 c7 88 b8 61 bd e8 31 d9 fb ff 48 8b 05 d8 ab 25 01 ba 34 12 cd ab 48 c7 c7 30 b8 61 bd 48 31 d0 <48> 89 05 c2 ab 25 01 e9 0f d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 34.302304] RSP: 0018:ffffa799826a7e60 EFLAGS: 00010202 # [ 34.308428] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 34.316710] RDX: 00000000abcd1234 RSI: ffff90863ad9bf50 RDI: ffffffffbd61b830 # [ 34.324971] RBP: ffffffffbd61aa26 R08: 0000000000000000 R09: 0000000000000000 # [ 34.333233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 34.341492] R13: ffffa799826a7f10 R14: ffffa799826a7f10 R15: ffff9085c5ab6000 # [ 34.349752] FS: 00007fe458ef5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 34.359081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.365786] CR2: ffffffffbd6a1350 CR3: 0000000102bb2004 CR4: 00000000003706e0 # [ 34.374045] Call Trace: # [ 34.377065] ? __die_body.cold+0x1a/0x1f # [ 34.381734] ? no_context+0x177/0x380 # [ 34.386111] ? exc_page_fault+0xd7/0x170 # [ 34.390780] ? asm_exc_page_fault+0x1e/0x30 # [ 34.395740] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 34.401399] direct_entry.cold+0x2c/0x38 # [ 34.406070] full_proxy_w<6>[ 46.519536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 46.529696] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 46.537474] ------------[ cut here ]------------ <4>[ 46.542921] refcount_t: saturated; leaking memory. <4>[ 46.548592] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 rite+0x53/0x80 # [ 34.410642] vfs_write+0xe7/0x3b0 # [ 34<4>[ 46.558316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.617266] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 46.626238] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.633339] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 46.639491] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 <4>[ 46.660765] RSP: 0018:ffffa79982f7fe38 EFLAGS: 00010282 <4>[ 46.666916] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 46.675179] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 46.683452] RBP: ffffffffbd61a738 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.691713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 46.699976] R13: ffffa79982f7ff10 R14: ffffa79982f7ff10 R15: ffff9085c30ea000 <4>[ 46.708240] FS: 00007fdec527f580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 46.717571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.724280] CR2: 00007fdec5089000 CR3: 0000000103264001 CR4: 00000000003706e0 <4>[ 46.732541] Call Trace: <4>[ 46.735583] ? __warn+0x80/0x110 .414630] ksys_write+0x68/0xf0 # [ 34.418618] do_syscall_64+<4>[ 46.739485] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.751144] ? report_bug+0x9e/0xc0 <4>[ 46.755383] ? handle_bug+0x41/0x90 0x30/0x40 # [ 34.422898] entry_SYSCALL_64_after_hwframe+0x62<4>[ 46.759577] ? exc_invalid_op+0x14/0x70 <4>[ 46.770360] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.775352] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.780821] ? refcount_warn_saturate+0x97/0x110 <4>[ 46.786271] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 46.792691] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 46.799309] direct_entry.cold+0x2c/0x38 <4>[ 46.804012] full_proxy_write+0x53/0x80 <4>[ 46.808619] vfs_write+0xe7/0x3b0 <4>[ 46.812642] ksys_write+0x68/0xf0 <4>[ 46.816661] do_syscall_64+0x30/0x40 <4>[ 46.820973] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.826932] RIP: 0033:0x7fdec5195473 <4>[ 46.831238] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.852535] RSP: 002b:00007ffc7c785698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 /0xc7 # [ 34.428827] RIP: 0033:0x7fe458e0b473 # [ 34.43310<4>[ 46.861297] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdec5195473 <4>[ 46.875765] RDX: 0000000000000020 RSI: 00007fdec5089000 RDI: 0000000000000001 <4>[ 46.884028] RBP: 00007fdec5089000 R08: 00007fdec5088010 R09: 0000000000000000 <4>[ 46.892292] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.900555] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.908822] irq event stamp: 0 7] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e<4>[ 46.912547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.926049] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.935477] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.944906] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.952198] ---[ end trace d62b6f016571dac0 ]--- <6>[ 46.957645] lkdtm: Saturation detected: still saturated b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.454400] RSP: 002b:00007ffe0025d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.463147] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe458e0b473 # [ 34.471407] RDX: 0000000000000014 RSI: 00007fe458cff000 RDI: 0000000000000001 # [ 34.479665] RBP: 00007fe458cff000 R08: 00007fe458cfe010 R09: 0000000000000000 # [ 34.487924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.496183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.504452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.563455] CR2: fff<6>[ 47.075947] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 47.089868] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 47.097682] ------------[ cut here ]------------ <4>[ 47.103164] refcount_t: underflow; use-after-free. <4>[ 47.108845] WARNING: CPU: 2 PID: 2526 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 fffffbd6a1350 # [ 34.567455] ---[ end trace d62b6f016571dab0 <4>[ 47.118569] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.177520] CPU: 2 PID: 2526 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 47.186465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.193566] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 47.199695] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 47.220972] RSP: 0018:ffffa79983047e40 EFLAGS: 00010286 <4>[ 47.227100] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 47.235364] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 <4>[ 47.243629] RBP: ffffffffbd61a758 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.251891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 47.260155] R13: ffffa79983047f10 R14: ffffa79983047f10 R15: ffff9085c4f3c000 <4>[ 47.268420] FS: 00007f54fef52580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 <4>[ 47.277753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.284463] CR2: 00007f54fed5c000 CR3: 00000001065da006 CR4: 00000000003706e0 <4>[ 47.292727] Call Trace: <4>[ 47.295751] ? __warn+0x80/0x110 <4>[ 47.299677] ? refcount_warn_saturate+0xba/0x110 <4>[ 47.305126] ? report_bug+0x9e/0xc0 <4>[ 47.309316] ? handle_bug+0x41/0x90 <4>[ 47.313531] ? exc_invalid_op+0x14/0x70 <4>[ 47.318105] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.323101] ? refcount_warn_saturate+0xba/0x110 <4>[ 47.328582] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 47.335033] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 47.341649] direct_entry.cold+0x2c/0x38 <4>[ 47.346352] full_proxy_write+0x53/0x80 <4>[ 47.350959] vfs_write+0xe7/0x3b0 <4>[ 47.354981] ksys_write+0x68/0xf0 <4>[ 47.358975] do_syscall_64+0x30/0x40 <4>[ 47.363288] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ]--- # [ 34.572900] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.57<4>[ 47.369226] RIP: 0033:0x7f54fee68473 <4>[ 47.379719] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.400996] RSP: 002b:00007fffc9450068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.409746] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f54fee68473 <4>[ 47.418010] RDX: 0000000000000020 RSI: 00007f54fed5c000 RDI: 0000000000000001 <4>[ 47.426273] RBP: 00007f54fed5c000 R08: 00007f54fed5b010 R09: 0000000000000000 <4>[ 47.434536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.442800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.451068] irq event stamp: 0 <4>[ 47.454798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.462091] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.471520] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.480952] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.488243] ---[ end trace d62b6f016571dac1 ]--- <6>[ 47.493690] lkdtm: Saturation detected: still saturated 7569] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 34.598843] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 34.604958] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.613218] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 34.621479] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 34.629737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.637997] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 34.646257] FS: 00007fe458ef5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 34.655585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.662291] CR2: ffffffffbd6a1350 CR3: 0000000102bb2004 CR4: 00000000003706e0 # [ 34.670551] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.680751] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1938, name: cat # [ 34.689521] INFO: lockdep is turned off. # [ 34.694188] irq event stamp: 0 # [ 34.697885] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.705174] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.714599] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.724023] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.731312] CPU: 3 PID: 1938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 34.740250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.747344] Call Trace: # [ 34.750364] dump_stack+0x77/0x9b # [ 34.754353] ___might_sleep.cold+0xa6/0xb6 # [ 34.759216] exit_signals+0x1c/0x300 # [ 34.763495] do_exit+0xc2/0xab0 # [ 34.767289] ? ksys_write+0x68/0xf0 # [ 34.771472] make_task_dead+0x2f/0x30 # [ 34.775848] rewind_stack_and_make_dead+0x17/0x20 # [ 34.781400] RIP: 0033:0x7fe458e0b473 # [ 34.785677] 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 # [ 34.806948] RSP: 002b:00007ffe0025d078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.815692] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe458e0b473 # [ 34.823951] RDX: 0000000000000014 RSI: 00007fe458cff000 RDI: 0000000000000001 # [ 34.832210] RBP: 00007fe458cff000 R08: 00007fe458cfe010 R09: 0000000000000000 # [ 34.840468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.848728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 34.957560] lkdtm: Performing direct entry WRITE_KERN # [ 34.968663] lkdtm: attempting bad 7109960 byte write at ffffffffbc446698 # [ 34.982664] BUG: unable to handle page fault for address: ffffffffbc446698 # [ 34.996803] #PF: supervisor write access in kernel mode # [ 35.002927] #PF: error_code(0x0003) - permissions violation # [ 35.009438] PGD 15a029067 P4D 15a029067 PUD 15a02a063 PMD 158c000e1 # [ 35.016832] Oops: 0003 [#16] SMP PTI # [ 35.021111] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 35.030049] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.037146] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 35.042595] Code: 53 48 c7 c3 98 66 44 bc 49 89 dc 48 89 da 49 81 ec 50 e9 d7 bb 4c 89 e6 e8 e4 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 e9 d7 bb a4 48 c7 c7 30 b8 61 bd e8 c9 d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 35.063865] RSP: 0018:ffffa79982737e50 EFLAGS: 00010246 # [ 35.069982] RAX: 000000000000003c RBX: ffffffffbc446698 RCX: 00000000006c7d48 # [ 35.078232] RDX: 0000000000000000 RSI: ffffffffbbd7e950 RDI: ffffffffbc446698 # [ 35.086491] RBP: ffffffffbd61aa3a R08: 0000000000000000 R09: 0000000000000000 # [ 35.094749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7d48 # [ 35.103008] R13: ffffa79982737f10 R14: ffffa79982737f10 R15: ffff9085c377e000 # [ 35.111268] FS: 00007f5ddc772580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 35.120595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.127302] CR2: ffffffffbc446698 CR3: 00000001063e2005 CR4: 00000000003706f0 # [ 35.135561] Call Trace: # [ 35.138582] ? __die_body.cold+0x1a/0x1f # [ 35.143256] ? no_context+0x177/0x380 # [ 35.147640] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.153382] ? exc_page_fault+0xd7/0x170 # [ 35.158043] ? asm_exc_page_fault+0x1e/0x30 # [ 35.163003] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.168742] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 35.173899] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 35.179635] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 35.184401] direct_entry.cold+0x2c/0x38 # [ 35.189077] full_proxy_write+0x53/0x80 # [ 35.193655] vfs_write+0xe7/0x3b0 # [ 35.197649] ksys_write+0x68/0xf0 # [ 35.201638] do_syscall_64+0x30/0x40 # [ 35.205918] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 35.211848] RIP: 0033:0x7f5ddc688473 # [ 35.216126] 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 # [ 35.237396] RSP: 002b:00007ffdbacd3648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.246142] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5ddc688473 # [ 35.254400] RDX: 000000000000000b RSI: 00007f5ddc57c000 RDI: 0000000000000001 # [ 35.262658] RBP: 00007f5ddc57c000 R08: 00007f5ddc57b010 R09: 0000000000000000 # [ 35.270918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.279178] R13: 000000<6>[ 48.099443] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 48.112507] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 48.120289] ------------[ cut here ]------------ <4>[ 48.125765] refcount_t: underflow; use-after-free. <4>[ 48.131434] WARNING: CPU: 3 PID: 2562 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35<4>[ 48.141186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.200174] CPU: 3 PID: 2562 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 48.209148] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.216249] RIP: 0010:refcount_warn_saturate+0xba/0x110 .287441] Modules linked in: fuse ip_tables cros_ec_sensors cros_<4>[ 48.222401] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 48.249890] RSP: 0018:ffffa799830cfe40 EFLAGS: 00010286 <4>[ 48.256019] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 48.264284] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 <4>[ 48.272548] RBP: ffffffffbd61a778 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.280813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 48.289079] R13: ffffa799830cff10 R14: ffffa799830cff10 R15: ffff9085c3738000 <4>[ 48.297393] FS: 00007f2db1463580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 <4>[ 48.306727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.313453] CR2: 00007f2db126d000 CR3: 0000000102b96003 CR4: 00000000003706e0 <4>[ 48.321717] Call Trace: <4>[ 48.324742] ? __warn+0x80/0x110 <4>[ 48.328669] ? refcount_warn_saturate+0xba/0x110 <4>[ 48.334146] ? report_bug+0x9e/0xc0 <4>[ 48.338335] ? handle_bug+0x41/0x90 <4>[ 48.342550] ? exc_invalid_op+0x14/0x70 <4>[ 48.347126] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.352124] ? refcount_warn_saturate+0xba/0x110 <4>[ 48.357605] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 48.364054] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 48.370670] direct_entry.cold+0x2c/0x38 <4>[ 48.375391] full_proxy_write+0x53/0x80 ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer <4>[ 48.379978] vfs_write+0xe7/0x3b0 <4>[ 48.390176] ksys_write+0x68/0xf0 <4>[ 48.394200] do_syscall_64+0x30/0x40 <4>[ 48.398512] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.404454] RIP: 0033:0x7f2db1379473 <4>[ 48.408736] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.430016] RSP: 002b:00007ffc4620b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_c<4>[ 48.438793] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2db1379473 <4>[ 48.453265] RDX: 0000000000000020 RSI: 00007f2db126d000 RDI: 0000000000000001 <4>[ 48.461529] RBP: 00007f2db126d000 R08: 00007f2db126c010 R09: 0000000000000000 <4>[ 48.469792] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.478055] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.486339] irq event stamp: 0 hardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cro<4>[ 48.490049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.503553] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.513005] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.522445] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.529737] ---[ end trace d62b6f016571dac2 ]--- <6>[ 48.535183] lkdtm: Saturation detected: still saturated s_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.340196] CR2: ffffffffbc446698 # [ 35.344177] ---[ end trace d62b6f016571dab1 ]--- # [ 35.349622] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.354281] Code: 89 ff e8 5e c3 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 70 78 2a 03 # [ 35.375553] RSP: 0018:ffffa79981337e60 EFLAGS: 00010282 # [ 35.381677] RAX: ffffffffbbd7e580 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.389936] RDX: 0000000000000000 RSI: ffff90863ad1bf50 RDI: ffffffffbd1941b0 # [ 35.398194] RBP: ffffffffbd67f138 R08: 0000000000000001 R09: 0000000000000001 # [ 35.406453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.414712] R13: ffffa79981337f10 R14: ffffa79981337f10 R15: ffff9085c3541000 # [ 35.422970] FS: 00007f5ddc772580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 35.432296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.439002] CR2: ffffffffbc446698 CR3: 00000001063e2005 CR4: 00000000003706f0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 35.547326] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 35.559944] lkdtm: attempting good refcount_inc() without overflow # [ 35.573385] lkdtm: attempting bad refcount_inc() overflow # [ 35.585912] ------------[ cut here ]------------ # [ 35.597571] refcount_t: saturated; leaking memory. # [ 35.609453] WARNING: CPU: 0 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 35.625378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.684334] CPU: 0 PID: 2010 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 35.699510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.712827] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 35.725189] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 # [ 35.752670] RSP: 0018:ffffa799827d7e48 EFLAGS: 00010286 # [ 35.765044] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 35.779505] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 35.794005] RBP: ffffffffbd61aa45 R08: 0000000000000000 R09: 0000000000000000 # [ 35.808449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 35.822985] R13: ffffa799827d7f10 R14: ffffa799827d7f10 R15: ffff9085c3563000 # [ 35.837430] FS: 00007f4eaeded580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 35.852997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.865904] CR2: 00007f4eaebf7000 CR3: 0000000102e4c005 CR4: 00000000003706f0 # [ 35.880395] Call Trace: # [ 35.889612] ? __warn+0x80/0x110 # [ 35.899739] ? refcount_warn_saturate+0x51/0x110 # [ 35.911388] ? report_bug+0x9e/0xc0 # [ 35.921796] ? handle_bug+0x41/0x90 # [ 35.932186] ? exc_invalid_op+0x14/0x70 # [ 35.942981] ? asm_exc_invalid_op+0x12/0x20 # [ 35.954155] ? refcount_warn_saturate+0x51/0x110 # [ 35.965820] ? refcount_warn_saturate+0x51/0x110 # [ 35.977481] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 35.989336] direct_entry.cold+0x2c/0x38 # [ 36.000218] full_proxy_write+0x53/0x80 # [ 36.011024] vfs_write+0xe7/0x3b0 # [ 36.021221] ksys_write+0x68/0xf0 # [ 36.031429] do_syscall_64+0x30/0x40 # [ 36.041925] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.054087] RIP: 0033:0x7f4eaed03473 # [ 36.064570] 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 # [ 36.092080] RSP: 002b:00007ffc7928a328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.107032] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4eaed03473 # [ 36.121512] RDX: 0000000000000016 RSI: 00007f4eaebf7000 RDI: 0000000000000001 # [ 36.135982] RBP: 00007f4eaebf7000 R08: 00007f4eaebf6010 R09: 0000000000000000 # [ 36.150477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.164946] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.179434] irq event stamp: 0 # [ 36.189335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.202849] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.218479] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.234135] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.247636] ---[ end trace d62b6f016571dab2 ]--- # [ 36.259306] 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 # [ 36.380479] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 36.389848] lkdtm: attempting good refcount_add() without overflow # [ 36.403265] lkdtm: attempting bad refcount_add() overflow # [ 36.415795] ------------[ cut here ]------------ # [ 36.427441] refcount_t: saturated; leaking memory. # [ 36.439340] WARNING: CPU: 0 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 36.455283] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.514234] CPU: 0 PID: 2043 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 36.529393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.542713] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 36.555097] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54<6>[ 49.250709] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 49.258724] lkdtm: attempting good copy_to_user of correct size <6>[ 49.265663] lkdtm: attempting bad copy_to_user of too large size 57 # [ 36.582565] RSP: 0018:ffffa79982857e48 EFLAGS: 00010286 # [ 36.594968] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 36.609411] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 36.623929] RBP: ffffffffbd61aa5b R08: 0000000000000000 R09: 0000000000000000 # [ 36.638383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 36.652862] R13: ffffa79982857f10 R14: ffffa79982857f10 R15: ffff9085c2b93000 # [ 36.667327] FS: 00007fd504cd6580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 36.682907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.695801] CR2: 00007fd504ae0000 CR3: 0000000103734004 CR4: 00000000003706f0 # [ 36.710305] Call Trace: # [ 36.719515] ? __warn+0x80/0x110 # [ 36.729624] ? refcount_warn_saturate+0x51/0x110 # [ 36.741285] ? report_bug+0x9e/0xc0 # [ 36.751689] ? handle_bug+0x41/0x90 # [ 36.762089] ? exc_invalid_op+0x14/0x70 # [ 36.772891] ? asm_exc_invalid_op+0x12/0x20 # [ 36.784059] ? refcount_warn_saturate+0x51/0x<6>[ 49.373441] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 49.385561] lkdtm: attempting good copy_from_user of correct size <6>[ 49.392687] lkdtm: attempting bad copy_from_user of too large size 110 # [ 36.795729] ? refcount_warn_saturate+0x51/0x110 # [ 36.807415] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 36.819246] direct_entry.cold+0x2c/0x38 # [ 36.830133] full_proxy_write+0x53/0x80 # [ 36.840930] vfs_write+0xe7/0x3b0 # [ 36.851129] ksys_write+0x68/0xf0 # [ 36.861346] do_syscall_64+0x30/0x40 # [ 36.871835] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.884014] RIP: 0033:0x7fd504bec473 # [ 36.894484] 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 # [ 36.922002] RSP: 002b:00007fffb715cd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.936955] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd504bec473 # [ 36.951463] RDX: 0000000000000016 RSI: 00007fd504ae0000 RDI: 0000000000000001 # [ 36.965916] RBP: 00007fd504ae0000 R08: 00007fd504adf010 R09: 0000000000000000 # [ 36.980451] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.<6>[ 49.501172] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 994907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000<6>[ 49.513117] lkdtm: attempting good copy_to_user inside whitelist 000020000 # [ 37.009406] irq event stamp: 0 # [ 37.019299]<6>[ 49.526368] lkdtm: attempting bad copy_to_user outside whitelist hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.032791] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.048435] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.064114] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.077605] ---[ end trace d62b6f016571dab3 ]--- # [ 37.089274] 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 # [ 37.191905] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 37.201942] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 37.215383] ------------[ cut here ]------------ # [ 37.227039] refcount_t: saturated; leaking memory. # [ 37.238884] WARNING: CPU: 0 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 37.254806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer sn<6>[ 49.639483] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 49.652907] lkdtm: attempting good copy_from_user inside whitelist <6>[ 49.660160] lkdtm: attempting bad copy_from_user outside whitelist d_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.313778] CPU: 0 PID: 2076 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 37.328947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.342263] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 37.354591] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 # [ 37.382121] RSP: 0018:ffffa799828dfe38 EFLAGS: 00010282 # [ 37.394431] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 37.408970] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 37.42<6>[ 49.767775] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 49.780216] lkdtm: good_stack: ffffa7998346fe20-ffffa7998346fe40 <6>[ 49.787224] lkdtm: bad_stack : ffffa7998346fda8-ffffa7998346fdc8 3410] RBP: ffffffffbd61a698 R08: 0000000000000000 R09: 000000000<6>[ 49.794264] lkdtm: attempting good copy_to_user of local stack <6>[ 49.807270] lkdtm: attempting bad copy_to_user of distant stack 0000000 # [ 37.437955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 37.452397] R13: ffffa799828dff10 R14: ffffa799828dff10 R15: ffff9085c63ed000 # [ 37.466898] FS: 00007f5996c2e580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 37.482450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.495388] CR2: 00007f5996a38000 CR3: 00000001032b2003 CR4: 00000000003706f0 # [ 37.509837] Call Trace: # [ 37.519111] ? __warn+0x80/0x110 # [ 37.529183] ? refcount_warn_saturate+0x97/0x110 # [ 37.540853] ? report_bug+0x9e/0xc0 # [ 37.551249] ? handle_bug+0x41/0x90 # [ 37.561651] ? exc_invalid_op+0x14/0x70 # [ 37.572463] ? asm_exc_invalid_op+0x12/0x20 # [ 37.583647] ? refcount_warn_saturate+0x97/0x110 # [ 37.595287] ? refcount_warn_saturate+0x97/0x110 # [ 37.606951] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 37.619586] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 37.632334] direct_entry.cold+0x2c/0x38 # [ 37.643212] full_proxy_write+0x53/0x80 # [ 37.654029] vfs_writ<6>[ 49.916956] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM e+0xe7/0x3b0 # [ 37.664210] ksys_write+0x68/0xf0 # [ 37.6<6>[ 49.927291] lkdtm: good_stack: ffffa79983527e20-ffffa79983527e40 74458] do_syscall_64+0x30/0x40 # [ 37.684926] entry_SYSCALL<6>[ 49.940508] lkdtm: bad_stack : ffffa79983527da8-ffffa79983527dc8 _64_after_hwframe+0x62/0xc7 # [ 37.697089] RIP: 0033:0x7f5996<6>[ 49.953764] lkdtm: attempting good copy_from_user of local stack b44473 # [ 37.707575] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 <6>[ 49.966960] lkdtm: attempting bad copy_from_user of distant stack 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.735098] RSP: 002b:00007ffc19cc7438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.750035] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5996b44473 # [ 37.764559] RDX: 000000000000001f RSI: 00007f5996a38000 RDI: 0000000000000001 # [ 37.779001] RBP: 00007f5996a38000 R08: 00007f5996a37010 R09: 0000000000000000 # [ 37.793493] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.807959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.822470] irq event stamp: 0 # [ 37.832402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.845875] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.861543] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.877201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.890715] ---[ end trace d62b6f01<6>[ 50.084589] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 50.092927] lkdtm: good_stack: ffffa79983537e20-ffffa79983537e40 <6>[ 50.099963] lkdtm: bad_stack : ffffa79983537ff8-ffffa79983538018 <6>[ 50.107021] lkdtm: attempting good copy_to_user of local stack 6571dab4 ]--- # [ 37.902398] lkdtm: Overflow detected: satura<6>[ 50.113850] lkdtm: attempting bad copy_to_user of distant stack ted # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok<4>[ 50.126961] lkdtm: copy_to_user failed, but lacked Oops 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 38.008244] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 38.021277] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 38.034689] ------------[ cut here ]------------ # [ 38.046349] refcount_t: saturated; leaking memory. # [ 38.052022] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 38.067928] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 38.126900] CPU: 1 PID: 2109 Comm: cat Tainted: G D W <6>[ 50.238981] lkdtm: Performing direct entry USERCOPY_KERNEL 5.10.210-cip44 #1 # [ 38.142040] Hardware name: Google Ramm<6>[ 50.251437] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd194650 us/Rammus, BIOS 09/04/2020 # [ 38.155354] RIP: 0010:refcount<6>[ 50.266603] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbb4e3c80 _warn_saturate+0x97/0x110 # [ 38.167696] Code: 02 01 e8 86 3e<3>[ 50.281497] lkdtm: FAIL: survived bad copy_to_user() c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 # [ 38.188974] RSP: 0018:ffffa79982987e38 EFLAGS: 00010282 # [ 38.201310] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 38.209575] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 # [ 38.224047] RBP: ffffffffbd61a6b8 R08: 0000000000000000 R09: 0000000000000000 # [ 38.232310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 38.240574] R13: ffffa79982987f10 R14: ffffa79982987f10 R15: ffff9085c5bbb000 # [ 38.255048] FS: 00007ff156946580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 38.264399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.277316] CR2: 00007ff156750000 CR3: 00000001032b4001 CR4: 00000000003706e0 # [ 38.285581] Call Trace: # [ 38.294815] ? __warn+0x80/0x110 # [ 38.304922] ? refcount_warn_saturate+0x97/0x110 # [ 38.310402] ? report_bug+0x9e/0xc0 # [ 38.320<6>[ 50.396652] lkdtm: Performing direct entry STACKLEAK_ERASING 796] ? handle_bug+0x41/0x90 # [ 38.331196] ? exc_invalid_op<6>[ 50.405784] lkdtm: checking unused part of the thread stack (15928 bytes)... +0x14/0x70 # [ 38.335773] ? asm_exc_invalid_op+0x12/0x20 # <3>[ 50.420176] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 38.346946] ? refcount_warn_saturate+0x97/0x110 # [ 38.35<3>[ 50.434473] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 50.447677] CPU: 0 PID: 2938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 <4>[ 50.456616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.463710] Call Trace: <4>[ 50.466733] dump_stack+0x77/0x9b <4>[ 50.470727] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 50.476174] direct_entry.cold+0x2c/0x38 <4>[ 50.480850] full_proxy_write+0x53/0x80 <4>[ 50.485441] vfs_write+0xe7/0x3b0 <4>[ 50.489442] ksys_write+0x68/0xf0 <4>[ 50.493448] do_syscall_64+0x30/0x40 <4>[ 50.497719] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 50.503640] RIP: 0033:0x7fee592fc473 <4>[ 50.507920] 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>[ 50.529183] RSP: 002b:00007fff92ba8b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.537931] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee592fc473 <4>[ 50.546190] RDX: 0000000000000012 RSI: 00007fee591f0000 RDI: 0000000000000001 <4>[ 50.554451] RBP: 00007fee591f0000 R08: 00007fee591ef010 R09: 0000000000000000 <4>[ 50.562711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.570970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8606] ? refcount_warn_saturate+0x97/0x110 # [ 38.364055] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 38.376683] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 38.383224] direct_entry.cold+0x2c/0x38 # [ 38.394105] full_proxy_write+0x53/0x80 # [ 38.404897] vfs_write+0xe7/0x3b0 # [ 38.415101] ksys_write+0x68/0xf0 # [ 38.425309] do_syscall_64+0x30/0x40 # [ 38.435806] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.441741] RIP: 0033:0x7ff15685c473 # [ 38.452231] 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 # [ 38.479719] RSP: 002b:00007ffc13895168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.488469] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff15685c473 # [ 38.502941] RDX: 000000000000001f RSI: 00007ff156750000 RDI: 0000000000000001 # [ 38.511206] RBP: 00007ff156750000 R08: 00007ff15674f010 R09: 0000000000000000 # [ 38.525679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.533943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020<6>[ 50.694459] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 50.703973] lkdtm: Calling matched prototype ... <6>[ 50.709424] lkdtm: Calling mismatched prototype ... <6>[ 50.715212] lkdtm: Fail: survived mismatched prototype function call! 000 # [ 38.548433] irq event stamp: 0 # [ 38.558400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.571907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.581338] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.596973] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.604267] ---[ end trace d62b6f016571dab5 ]--- # [ 38.615923] 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 # [ 38.715889] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 38.727334] lkdtm: attempting good refcount_dec() # [ 38.739093] lkdtm: attempting bad refcount_dec() to zero # [ 38.751530] ------------[ cut here ]------------ # [ 38.763191] refcount_t: decrement hit 0; leaking memory. # [ 38.769461] WARNING: CPU: 1 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 38.785378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 38.844319] CPU: 1 PID: 2142 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 38.859452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.866554] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 38.878887] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 38.900188] RSP: 0018:ffffa79982a1fe48 EFLAGS: 00010286 # [ 38.912523] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 38.920788] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 # [ 38.935259] RBP: ffffffffbd61aa71 R08: 0000000000000000 R09: 0000000000000000 # [ 38.943523] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 38.957995] R13: ffffa79982a1ff10 R14: ffffa79982a1ff10 R15: ffff9085c328c000 # [ 38.966261] FS: 00007f8016dde580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 38.981801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.988512] CR2: 00007f8016be8000 CR3: 0000000105bb8002 CR4: 00000000003706e0 # [ 39.002987] Call Trace: # [ 39.012225] ? __warn+0x80/0x110 # [ 39.016128] ? refcount_warn_saturate+0xfb/0x110 # [ 39.027785] ? report_bug+0x9e/0xc0 # [ 39.031982] ? handle_bug+0x41/0x90 # [ 39.036177] ? exc_invalid_op+0x14/0x70 # [ 39.040754] ? asm_exc_invalid_op+0x12/0x20 # [ 39.045722] ? refcount_warn_saturate+0xfb/0x110 # [ 39.057401] ? refcount_warn_saturate+0xfb/0x110 # [ 39.069063] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 39.074319] direct_entry.cold+0x2c/0x38 # [ 39.085199] full_proxy_write+0x53/0x80 # [ 39.095986] vfs_write+0xe7/0x3b0 # [ 39.106192] ksys_write+0x68/0xf0 # [ 39.110209] do_syscall_64+0x30/0x40 # [ 39.120702] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.131781] RIP: 0033:0x7f8016cf4473 # [ 39.136063] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.163543] RSP: 002b:00007ffdf98c8368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.172316] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8016cf4473 # [ 39.186790] RDX: 0000000000000012 RSI: 00007f8016be8000 RDI: 0000000000000001 # [ 39.201269] RBP: 00007f8016be8000 R08: 00007f8016be7010 R09: 0000000000000000 # [ 39.209533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.224008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.238492] irq event stamp: 0 # [ 39.247820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.255115] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.270760] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.286406] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.293698] ---[ end trace d62b6f016571dab6 ]--- # [ 39.305357] 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 # [ 39.407471] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 39.416759] lkdtm: attempting bad refcount_dec() below zero # [ 39.423304] ------------[ cut here ]------------ # [ 39.434959] refcount_t: decrement hit 0; leaking memory. # [ 39.441213] WARNING: CPU: 2 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 39.450938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.509896] CPU: 2 PID: 2178 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 39.518863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.525963] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 39.532114] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 39.553401] RSP: 0018:ffffa79982ab7e48 EFLAGS: 00010286 # [ 39.565741] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 39.574006] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 39.582271] RBP: ffffffffbd61aa83 R08: 0000000000000000 R09: 0000000000000000 # [ 39.590534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 39.598798] R13: ffffa79982ab7f10 R14: ffffa79982ab7f10 R15: ffff9085c2b84000 # [ 39.607061] FS: 00007f1468af8580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 39.616402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.629327] CR2: 00007f1468902000 CR3: 0000000103560001 CR4: 00000000003706e0 # [ 39.637591] Call Trace: # [ 39.640616] ? __warn+0x80/0x110 # [ 39.644540] ? refcount_warn_saturate+0xfb/0x110 # [ 39.649989] ? report_bug+0x9e/0xc0 # [ 39.654200] ? handle_bug+0x41/0x90 # [ 39.658409] ? exc_invalid_op+0x14/0x70 # [ 39.662985] ? asm_exc_invalid_op+0x12/0x20 # [ 39.667976] ? refcount_warn_saturate+0xfb/0x110 # [ 39.673449] ? refcount_warn_saturate+0xfb/0x110 # [ 39.685109] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 39.690774] direct_entry.cold+0x2c/0x38 # [ 39.695456] full_proxy_write+0x53/0x80 # [ 39.706237] vfs_write+0xe7/0x3b0 # [ 39.710252] ksys_write+0x68/0xf0 # [ 39.714245] do_syscall_64+0x30/0x40 # [ 39.718528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.724463] RIP: 0033:0x7f1468a0e473 # [ 39.728745] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.750027] RSP: 002b:00007ffd5124b0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.758806] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1468a0e473 # [ 39.773276] RDX: 0000000000000016 RSI: 00007f1468902000 RDI: 0000000000000001 # [ 39.781540] RBP: 00007f1468902000 R08: 00007f1468901010 R09: 0000000000000000 # [ 39.789801] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.798062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.806330] irq event stamp: 0 # [ 39.810059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.817351] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.826780] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.836208] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.843500] ---[ end trace d62b6f016571dab7 ]--- # [ 39.848945] 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 # [ 39.952810] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 39.961652] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 39.975281] ------------[ cut here ]------------ # [ 39.986950] refcount_t: underflow; use-after-free. # [ 39.998933] WARNING: CPU: 0 PID: 2214 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 40.014779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 40.073856] CPU: 0 PID: 2214 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 40.088943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.102281] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 40.114664] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 40.142108] RSP: 0018:ffffa79982b37e40 EFLAGS: 00010286 # [ 40.154557] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 40.168975] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 40.183450] RBP: ffffffffbd61a6d8 R08: 0000000000000000 R09: 0000000000000000 # [ 40.191740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 40.206234] R13: ffffa79982b37f10 R14: ffffa79982b37f10 R15: ffff9085c2e4b000 # [ 40.220693] FS: 00007fa114555580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 40.236278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.249165] CR2: 00007fa11435f000 CR3: 0000000100be0004 CR4: 00000000003706f0 # [ 40.257475] Call Trace: # [ 40.266708] ? __warn+0x80/0x110 # [ 40.276832] ? refcount_warn_saturate+0xba/0x110 # [ 40.288496] ? report_bug+0x9e/0xc0 # [ 40.298925] ? handle_bug+0x41/0x90 # [ 40.309284] ? exc_invalid_op+0x14/0x70 # [ 40.320109] ? asm_exc_invalid_op+0x12/0x20 # [ 40.331297] ? refcount_warn_saturate+0xba/0x110 # [ 40.342974] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 40.355583] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 40.368344] direct_entry.cold+0x2c/0x38 # [ 40.379250] full_proxy_write+0x53/0x80 # [ 40.390030] vfs_write+0xe7/0x3b0 # [ 40.400245] ksys_write+0x68/0xf0 # [ 40.410487] do_syscall_64+0x30/0x40 # [ 40.420942] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.433130] RIP: 0033:0x7fa11446b473 # [ 40.443615] 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 # [ 40.471144] RSP: 002b:00007ffdaa31a068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.486096] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa11446b473 # [ 40.494384] RDX: 000000000000001f RSI: 00007fa11435f000 RDI: 0000000000000001 # [ 40.508875] RBP: 00007fa11435f000 R08: 00007fa11435e010 R09: 0000000000000000 # [ 40.523340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.537827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.552305] irq event stamp: 0 # [ 40.562225] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.575726] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.591398] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.607015] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.620534] ---[ end trace d62b6f016571dab8 ]--- # [ 40.632190] 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 # [ 40.751235] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 40.763498] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 40.770921] ------------[ cut here ]------------ # [ 40.776400] refcount_t: underflow; use-after-free. # [ 40.782057] WARNING: CPU: 2 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 40.797972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 40.856961] CPU: 2 PID: 2250 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 40.865927] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.873025] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 40.879151] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 40.900426] RSP: 0018:ffffa79982bd7e40 EFLAGS: 00010286 # [ 40.906603] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 40.914895] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 40.923160] RBP: ffffffffbd61a6f8 R08: 0000000000000000 R09: 0000000000000000 # [ 40.931439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 40.939700] R13: ffffa79982bd7f10 R14: ffffa79982bd7f10 R15: ffff9085c3010000 # [ 40.947985] FS: 00007f5de8cf4580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 40.957327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.970244] CR2: 00007f5de8afe000 CR3: 0000000103964001 CR4: 00000000003706e0 # [ 40.978506] Call Trace: # [ 40.981529] ? __warn+0x80/0x110 # [ 40.985457] ? refcount_warn_saturate+0xba/0x110 # [ 40.990906] ? report_bug+0x9e/0xc0 # [ 40.995092] ? handle_bug+0x41/0x90 # [ 40.999299] ? exc_invalid_op+0x14/0x70 # [ 41.003873] ? asm_exc_invalid_op+0x12/0x20 # [ 41.008837] ? refcount_warn_saturate+0xba/0x110 # [ 41.014315] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 41.020759] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 41.027275] direct_entry.cold+0x2c/0x38 # [ 41.031947] full_proxy_write+0x53/0x80 # [ 41.036547] vfs_write+0xe7/0x3b0 # [ 41.040562] ksys_write+0x68/0xf0 # [ 41.044554] do_syscall_64+0x30/0x40 # [ 41.048836] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.054768] RIP: 0033:0x7f5de8c0a473 # [ 41.059050] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.080326] RSP: 002b:00007fff53273258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.089074] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5de8c0a473 # [ 41.097336] RDX: 000000000000001f RSI: 00007f5de8afe000 RDI: 0000000000000001 # [ 41.105598] RBP: 00007f5de8afe000 R08: 00007f5de8afd010 R09: 0000000000000000 # [ 41.113859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.122121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.130405] irq event stamp: 0 # [ 41.140316] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.147608] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.157034] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.166462] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.173752] ---[ end trace d62b6f016571dab9 ]--- # [ 41.179198] 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 # [ 41.396933] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 41.404808] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 41.412198] lkdtm: Good: zero detected # [ 41.416675] lkdtm: Correctly stayed at zero # [ 41.421640] lkdtm: attempting bad refcount_inc() from zero # [ 41.428064] ------------[ cut here ]------------ # [ 41.433513] refcount_t: addition on 0; use-after-free. # [ 41.439575] WARNING: CPU: 2 PID: 2283 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 41.449300] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.508268] CPU: 2 PID: 2283 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 41.517227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.530529] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 41.536658] Code: 02 01 e8 a9 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 bd c6 05 05 cd 36 02 01 e8 86 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 # [ 41.557934] RSP: 0018:ffffa79982c57e48 EFLAGS: 00010286 # [ 41.564063] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 41.572327] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 41.580589] RBP: ffffffffbd61aa99 R08: 0000000000000000 R09: 0000000000000000 # [ 41.588852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 41.597115] R13: ffffa79982c57f10 R14: ffffa79982c57f10 R15: ffff9085c2b42000 # [ 41.605402] FS: 00007f33a19e2580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 41.614727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.621449] CR2: 00007f33a17ec000 CR3: 0000000102bea005 CR4: 00000000003706e0 # [ 41.629712] Call Trace: # [ 41.632736] ? __warn+0x80/0x110 # [ 41.636660] ? refcount_warn_saturate+0x74/0x110 # [ 41.648314] ? report_bug+0x9e/0xc0 # [ 41.652502] ? handle_bug+0x41/0x90 # [ 41.656717] ? exc_invalid_op+0x14/0x70 # [ 41.661294] ? asm_exc_invalid_op+0x12/0x20 # [ 41.666291] ? refcount_warn_saturate+0x74/0x110 # [ 41.671771] ? refcount_warn_saturate+0x74/0x110 # [ 41.677251] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 41.682507] direct_entry.cold+0x2c/0x38 # [ 41.687203] full_proxy_write+0x53/0x80 # [ 41.691813] vfs_write+0xe7/0x3b0 # [ 41.702014] ksys_write+0x68/0xf0 # [ 41.706006] do_syscall_64+0x30/0x40 # [ 41.710289] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.716223] RIP: 0033:0x7f33a18f8473 # [ 41.720505] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.741779] RSP: 002b:00007ffd4fc15b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.750530] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f33a18f8473 # [ 41.758790] RDX: 0000000000000012 RSI: 00007f33a17ec000 RDI: 0000000000000001 # [ 41.767044] RBP: 00007f33a17ec000 R08: 00007f33a17eb010 R09: 0000000000000000 # [ 41.775305] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.783566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.791833] irq event stamp: 0 # [ 41.795562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.802854] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.812283] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.821708] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.829000] ---[ end trace d62b6f016571daba ]--- # [ 41.834446] 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 # [ 41.939470] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 41.951756] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 41.965399] lkdtm: Good: zero detected # [ 41.976090] lkdtm: Correctly stayed at zero # [ 41.987260] lkdtm: attempting bad refcount_add() from zero # [ 41.999969] ------------[ cut here ]------------ # [ 42.011608] refcount_t: addition on 0; use-after-free. # [ 42.023969] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 42.039832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.098899] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 42.114029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.127332] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 42.139701] Code: 02 01 e8 a9 3e c4 00 0f 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 bd c6 05 05 cd 36 02 01 e8 86 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 # [ 42.167177] RSP: 0018:ffffa79982cb7e48 EFLAGS: 00010286 # [ 42.179549] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 42.194016] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 42.208504] RBP: ffffffffbd61aaab R08: 0000000000000000 R09: 0000000000000000 # [ 42.222938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 42.237439] R13: ffffa79982cb7f10 R14: ffffa79982cb7f10 R15: ffff9085c6585000 # [ 42.251937] FS: 00007f8c74ed8580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 42.267489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.280413] CR2: 00007f8c74ce2000 CR3: 000000010371a006 CR4: 00000000003706f0 # [ 42.294881] Call Trace: # [ 42.304160] ? __warn+0x80/0x110 # [ 42.314260] ? refcount_warn_saturate+0x74/0x110 # [ 42.325926] ? report_bug+0x9e/0xc0 # [ 42.336335] ? handle_bug+0x41/0x90 # [ 42.346724] ? exc_invalid_op+0x14/0x70 # [ 42.357512] ? asm_exc_invalid_op+0x12/0x20 # [ 42.368702] ? refcount_warn_saturate+0x74/0x110 # [ 42.380380] ? refcount_warn_saturate+0x74/0x110 # [ 42.392006] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 42.403515] direct_entry.cold+0x2c/0x38 # [ 42.414416] full_proxy_write+0x53/0x80 # [ 42.425231] vfs_write+0xe7/0x3b0 # [ 42.435415] ksys_write+0x68/0xf0 # [ 42.445633] do_syscall_64+0x30/0x40 # [ 42.456145] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.468282] RIP: 0033:0x7f8c74dee473 # [ 42.478778] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.506286] RSP: 002b:00007ffda6b57218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.521275] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8c74dee473 # [ 42.535754] RDX: 0000000000000012 RSI: 00007f8c74ce2000 RDI: 0000000000000001 # [ 42.550262] RBP: 00007f8c74ce2000 R08: 00007f8c74ce1010 R09: 0000000000000000 # [ 42.564738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.579247] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.593723] irq event stamp: 0 # [ 42.603672] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.617150] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.632807] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.648436] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.661974] ---[ end trace d62b6f016571dabb ]--- # [ 42.673645] 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 # [ 43.019773] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 43.027125] lkdtm: attempting bad refcount_inc() from saturated # [ 43.040269] ------------[ cut here ]------------ # [ 43.051922] refcount_t: saturated; leaking memory. # [ 43.063829] WARNING: CPU: 0 PID: 2352 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.079709] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.138749] CPU: 0 PID: 2352 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 43.153826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.167140] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 43.179539] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 # [ 43.206984] RSP: 0018:ffffa79982d67e48 EFLAGS: 00010286 # [ 43.219317] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 43.233826] RDX: ffff90863ac2c620 RSI: ffff90863ac1bf50 RDI: ffff90863ac1bf50 # [ 43.248282] RBP: ffffffffbd61aabd R08: 0000000000000000 R09: 0000000000000000 # [ 43.262761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 43.277275] R13: ffffa79982d67f10 R14: ffffa79982d67f10 R15: ffff9085c318b000 # [ 43.291725] FS: 00007fdefba3d580(0000) GS:ffff90863ac00000(0000) knlGS:0000000000000000 # [ 43.307276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.320204] CR2: 00007fdefb847000 CR3: 0000000104f40002 CR4: 00000000003706f0 # [ 43.334693] Call Trace: # [ 43.343923] ? __warn+0x80/0x110 # [ 43.354042] ? refcount_warn_saturate+0x51/0x110 # [ 43.365695] ? report_bug+0x9e/0xc0 # [ 43.376105] ? handle_bug+0x41/0x90 # [ 43.386497] ? exc_invalid_op+0x14/0x70 # [ 43.397295] ? asm_exc_invalid_op+0x12/0x20 # [ 43.408481] ? refcount_warn_saturate+0x51/0x110 # [ 43.420173] ? refcount_warn_saturate+0x51/0x110 # [ 43.431812] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 43.443773] direct_entry.cold+0x2c/0x38 # [ 43.454653] full_proxy_write+0x53/0x80 # [ 43.465471] vfs_write+0xe7/0x3b0 # [ 43.475656] ksys_write+0x68/0xf0 # [ 43.485875] do_syscall_64+0x30/0x40 # [ 43.496359] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.508506] RIP: 0033:0x7fdefb953473 # [ 43.519020] 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 # [ 43.546490] RSP: 002b:00007ffcf460f9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.561522] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdefb953473 # [ 43.575956] RDX: 0000000000000017 RSI: 00007fdefb847000 RDI: 0000000000000001 # [ 43.590471] RBP: 00007fdefb847000 R08: 00007fdefb846010 R09: 0000000000000000 # [ 43.604917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.619455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.633913] irq event stamp: 0 # [ 43.643866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.657352] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.673005] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.688629] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.702138] ---[ end trace d62b6f016571dabc ]--- # [ 43.713816] 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 # [ 43.829121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 43.838908] lkdtm: attempting bad refcount_dec() from saturated # [ 43.852029] ------------[ cut here ]------------ # [ 43.863687] refcount_t: decrement hit 0; leaking memory. # [ 43.869944] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.885840] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.944797] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 43.959955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.967059] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.979402] Code: 50 55 57 bd c6 05 95 cc 36 02 01 e8 19 3e c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 55 57 bd c6 05 7c cc 36 02 01 e8 ff 3d c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 44.006899] RSP: 0018:ffffa79982e07e48 EFLAGS: 00010286 # [ 44.019240] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 44.033743] RDX: ffff90863acac620 RSI: ffff90863ac9bf50 RDI: ffff90863ac9bf50 # [ 44.048202] RBP: ffffffffbd61aad4 R08: 0000000000000000 R09: 0000000000000000 # [ 44.062680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 44.070943] R13: ffffa79982e07f10 R14: ffffa79982e07f10 R15: ffff9085c2b32000 # [ 44.085416] FS: 00007f1428bee580(0000) GS:ffff90863ac80000(0000) knlGS:0000000000000000 # [ 44.094748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.107668] CR2: 00007f14289f8000 CR3: 000000010372c002 CR4: 00000000003706e0 # [ 44.115932] Call Trace: # [ 44.125183] ? __warn+0x80/0x110 # [ 44.135273] ? refcount_warn_saturate+0xfb/0x110 # [ 44.146936] ? report_bug+0x9e/0xc0 # [ 44.151124] ? handle_bug+0x41/0x90 # [ 44.161516] ? exc_invalid_op+0x14/0x70 # [ 44.166092] ? asm_exc_invalid_op+0x12/0x20 # [ 44.177266] ? refcount_warn_saturate+0xfb/0x110 # [ 44.188928] ? refcount_warn_saturate+0xfb/0x110 # [ 44.194406] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 44.206353] direct_entry.cold+0x2c/0x38 # [ 44.217240] full_proxy_write+0x53/0x80 # [ 44.228029] vfs_write+0xe7/0x3b0 # [ 44.238235] ksys_write+0x68/0xf0 # [ 44.248449] do_syscall_64+0x30/0x40 # [ 44.252756] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.264897] RIP: 0033:0x7f1428b04473 # [ 44.269180] 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 # [ 44.296668] RSP: 002b:00007ffe49998dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.311632] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1428b04473 # [ 44.319896] RDX: 0000000000000017 RSI: 00007f14289f8000 RDI: 0000000000000001 # [ 44.334387] RBP: 00007f14289f8000 R08: 00007f14289f7010 R09: 0000000000000000 # [ 44.342660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.357133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.365408] irq event stamp: 0 # [ 44.375311] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.382631] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.398269] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.407701] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.421204] ---[ end trace d62b6f016571dabd ]--- # [ 44.432866] 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 # [ 44.550788] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 44.564186] lkdtm: attempting bad refcount_dec() from saturated # [ 44.571095] ------------[ cut here ]------------ # [ 44.576576] refcount_t: saturated; leaking memory. # [ 44.582279] WARNING: CPU: 3 PID: 2424 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.592003] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.650954] CPU: 3 PID: 2424 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 44.659926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.667025] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.673153] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 cd 36 02 00 75 ee 48 c7 c7 a0 54 57 bd c6 05 29 cd 36 02 01 e8 a9 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d 15 cd 36 02 00 75 cb 48 c7 c7 c8 54 57 # [ 44.694453] RSP: 0018:ffffa79982e5fe48 EFLAGS: 00010286 # [ 44.700580] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 44.708842] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 44.717105] RBP: ffffffffbd61aaeb R08: 0000000000000000 R09: 0000000000000000 # [ 44.725367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 44.733652] R13: ffffa79982e5ff10 R14: ffffa79982e5ff10 R15: ffff9085c3286000 # [ 44.741915] FS: 00007fba5eea5580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 44.751245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.757954] CR2: 00007fba5ecaf000 CR3: 0000000106014006 CR4: 00000000003706e0 # [ 44.766216] Call Trace: # [ 44.769239] ? __warn+0x80/0x110 # [ 44.773159] ? refcount_warn_saturate+0x51/0x110 # [ 44.784817] ? report_bug+0x9e/0xc0 # [ 44.789005] ? handle_bug+0x41/0x90 # [ 44.793214] ? exc_invalid_op+0x14/0x70 # [ 44.797788] ? asm_exc_invalid_op+0x12/0x20 # [ 44.802754] ? refcount_warn_saturate+0x51/0x110 # [ 44.808232] ? refcount_warn_saturate+0x51/0x110 # [ 44.813680] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 44.819434] direct_entry.cold+0x2c/0x38 # [ 44.824138] full_proxy_write+0x53/0x80 # [ 44.828736] vfs_write+0xe7/0x3b0 # [ 44.832733] ksys_write+0x68/0xf0 # [ 44.842935] do_syscall_64+0x30/0x40 # [ 44.847243] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.853177] RIP: 0033:0x7fba5edbb473 # [ 44.857483] 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 # [ 44.878757] RSP: 002b:00007ffdbdff6ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.887506] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fba5edbb473 # [ 44.895768] RDX: 0000000000000017 RSI: 00007fba5ecaf000 RDI: 0000000000000001 # [ 44.904030] RBP: 00007fba5ecaf000 R08: 00007fba5ecae010 R09: 0000000000000000 # [ 44.912292] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.920554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.928820] irq event stamp: 0 # [ 44.932543] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.946046] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.955476] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.964903] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.972195] ---[ end trace d62b6f016571dabe ]--- # [ 44.977640] 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 # [ 45.086227] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 45.097446] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 45.105257] ------------[ cut here ]------------ # [ 45.110741] refcount_t: saturated; leaking memory. # [ 45.116416] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.132338] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.191330] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 45.200296] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.207402] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.219745] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 # [ 45.241019] RSP: 0018:ffffa79982f17e38 EFLAGS: 00010282 # [ 45.247149] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 45.255416] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 45.263679] RBP: ffffffffbd61a718 R08: 0000000000000000 R09: 0000000000000000 # [ 45.271941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 45.280203] R13: ffffa79982f17f10 R14: ffffa79982f17f10 R15: ffff9085c2ba5000 # [ 45.288472] FS: 00007fcee6d6f580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 45.297837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.304571] CR2: 00007fcee6b79000 CR3: 0000000102be8004 CR4: 00000000003706e0 # [ 45.312835] Call Trace: # [ 45.315858] ? __warn+0x80/0x110 # [ 45.319778] ? refcount_warn_saturate+0x97/0x110 # [ 45.331445] ? report_bug+0x9e/0xc0 # [ 45.335630] ? handle_bug+0x41/0x90 # [ 45.339840] ? exc_invalid_op+0x14/0x70 # [ 45.344414] ? asm_exc_invalid_op+0x12/0x20 # [ 45.349380] ? refcount_warn_saturate+0x97/0x110 # [ 45.361035] ? refcount_warn_saturate+0x97/0x110 # [ 45.366484] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.372934] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 45.379548] direct_entry.cold+0x2c/0x38 # [ 45.384221] full_proxy_write+0x53/0x80 # [ 45.388821] vfs_write+0xe7/0x3b0 # [ 45.392836] ksys_write+0x68/0xf0 # [ 45.396828] do_syscall_64+0x30/0x40 # [ 45.401112] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.407046] RIP: 0033:0x7fcee6c85473 # [ 45.411329] 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 # [ 45.432606] RSP: 002b:00007ffd5f2ebcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.441356] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcee6c85473 # [ 45.449618] RDX: 0000000000000020 RSI: 00007fcee6b79000 RDI: 0000000000000001 # [ 45.457879] RBP: 00007fcee6b79000 R08: 00007fcee6b78010 R09: 0000000000000000 # [ 45.466142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.474405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.482672] irq event stamp: 0 # [ 45.486406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.493700] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.509337] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.518765] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.526056] ---[ end trace d62b6f016571dabf ]--- # [ 45.531502] 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 # [ 46.519536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 46.529696] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 46.537474] ------------[ cut here ]------------ # [ 46.542921] refcount_t: saturated; leaking memory. # [ 46.548592] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.558316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.617266] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 46.626238] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.633339] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.639491] Code: 02 01 e8 86 3e c4 00 0f 0b c3 cc cc cc cc 80 3d f4 cc 36 02 00 75 a8 48 c7 c7 a0 54 57 bd c6 05 e4 cc 36 02 01 e8 63 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 # [ 46.660765] RSP: 0018:ffffa79982f7fe38 EFLAGS: 00010282 # [ 46.666916] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 46.675179] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 46.683452] RBP: ffffffffbd61a738 R08: 0000000000000000 R09: 0000000000000000 # [ 46.691713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 46.699976] R13: ffffa79982f7ff10 R14: ffffa79982f7ff10 R15: ffff9085c30ea000 # [ 46.708240] FS: 00007fdec527f580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 46.717571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.724280] CR2: 00007fdec5089000 CR3: 0000000103264001 CR4: 00000000003706e0 # [ 46.732541] Call Trace: # [ 46.735583] ? __warn+0x80/0x110 # [ 46.739485] ? refcount_warn_saturate+0x97/0x110 # [ 46.751144] ? report_bug+0x9e/0xc0 # [ 46.755383] ? handle_bug+0x41/0x90 # [ 46.759577] ? exc_invalid_op+0x14/0x70 # [ 46.770360] ? asm_exc_invalid_op+0x12/0x20 # [ 46.775352] ? refcount_warn_saturate+0x97/0x110 # [ 46.780821] ? refcount_warn_saturate+0x97/0x110 # [ 46.786271] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.792691] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 46.799309] direct_entry.cold+0x2c/0x38 # [ 46.804012] full_proxy_write+0x53/0x80 # [ 46.808619] vfs_write+0xe7/0x3b0 # [ 46.812642] ksys_write+0x68/0xf0 # [ 46.816661] do_syscall_64+0x30/0x40 # [ 46.820973] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.826932] RIP: 0033:0x7fdec5195473 # [ 46.831238] 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 # [ 46.852535] RSP: 002b:00007ffc7c785698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.861297] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdec5195473 # [ 46.875765] RDX: 0000000000000020 RSI: 00007fdec5089000 RDI: 0000000000000001 # [ 46.884028] RBP: 00007fdec5089000 R08: 00007fdec5088010 R09: 0000000000000000 # [ 46.892292] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.900555] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.908822] irq event stamp: 0 # [ 46.912547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.926049] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.935477] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.944906] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.952198] ---[ end trace d62b6f016571dac0 ]--- # [ 46.957645] 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 # [ 47.075947] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 47.089868] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 47.097682] ------------[ cut here ]------------ # [ 47.103164] refcount_t: underflow; use-after-free. # [ 47.108845] WARNING: CPU: 2 PID: 2526 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.118569] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.177520] CPU: 2 PID: 2526 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 47.186465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.193566] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.199695] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 47.220972] RSP: 0018:ffffa79983047e40 EFLAGS: 00010286 # [ 47.227100] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 47.235364] RDX: ffff90863ad2c620 RSI: ffff90863ad1bf50 RDI: ffff90863ad1bf50 # [ 47.243629] RBP: ffffffffbd61a758 R08: 0000000000000000 R09: 0000000000000000 # [ 47.251891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 47.260155] R13: ffffa79983047f10 R14: ffffa79983047f10 R15: ffff9085c4f3c000 # [ 47.268420] FS: 00007f54fef52580(0000) GS:ffff90863ad00000(0000) knlGS:0000000000000000 # [ 47.277753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.284463] CR2: 00007f54fed5c000 CR3: 00000001065da006 CR4: 00000000003706e0 # [ 47.292727] Call Trace: # [ 47.295751] ? __warn+0x80/0x110 # [ 47.299677] ? refcount_warn_saturate+0xba/0x110 # [ 47.305126] ? report_bug+0x9e/0xc0 # [ 47.309316] ? handle_bug+0x41/0x90 # [ 47.313531] ? exc_invalid_op+0x14/0x70 # [ 47.318105] ? asm_exc_invalid_op+0x12/0x20 # [ 47.323101] ? refcount_warn_saturate+0xba/0x110 # [ 47.328582] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.335033] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 47.341649] direct_entry.cold+0x2c/0x38 # [ 47.346352] full_proxy_write+0x53/0x80 # [ 47.350959] vfs_write+0xe7/0x3b0 # [ 47.354981] ksys_write+0x68/0xf0 # [ 47.358975] do_syscall_64+0x30/0x40 # [ 47.363288] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.369226] RIP: 0033:0x7f54fee68473 # [ 47.379719] 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 # [ 47.400996] RSP: 002b:00007fffc9450068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.409746] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f54fee68473 # [ 47.418010] RDX: 0000000000000020 RSI: 00007f54fed5c000 RDI: 0000000000000001 # [ 47.426273] RBP: 00007f54fed5c000 R08: 00007f54fed5b010 R09: 0000000000000000 # [ 47.434536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.442800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.451068] irq event stamp: 0 # [ 47.454798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.462091] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.471520] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.480952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.488243] ---[ end trace d62b6f016571dac1 ]--- # [ 47.493690] 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 # [ 48.099443] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 48.112507] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 48.120289] ------------[ cut here ]------------ # [ 48.125765] refcount_t: underflow; use-after-free. # [ 48.131434] WARNING: CPU: 3 PID: 2562 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.141186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer snd_soc_da7219 kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub uvcvideo snd_soc_core cros_ec_debugfs cros_usbpd_logger videobuf2_vmalloc snd_compress cros_usbpd_charger videobuf2_memops snd_pcm_dmaengine videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.200174] CPU: 3 PID: 2562 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 48.209148] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.216249] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.222401] Code: 02 01 e8 63 3e c4 00 0f 0b c3 cc cc cc cc 80 3d ce cc 36 02 00 75 85 48 c7 c7 f8 54 57 bd c6 05 be cc 36 02 01 e8 40 3e c4 00 <0f> 0b c3 cc cc cc cc 80 3d a9 cc 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 48.249890] RSP: 0018:ffffa799830cfe40 EFLAGS: 00010286 # [ 48.256019] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 48.264284] RDX: ffff90863adac620 RSI: ffff90863ad9bf50 RDI: ffff90863ad9bf50 # [ 48.272548] RBP: ffffffffbd61a778 R08: 0000000000000000 R09: 0000000000000000 # [ 48.280813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 48.289079] R13: ffffa799830cff10 R14: ffffa799830cff10 R15: ffff9085c3738000 # [ 48.297393] FS: 00007f2db1463580(0000) GS:ffff90863ad80000(0000) knlGS:0000000000000000 # [ 48.306727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.313453] CR2: 00007f2db126d000 CR3: 0000000102b96003 CR4: 00000000003706e0 # [ 48.321717] Call Trace: # [ 48.324742] ? __warn+0x80/0x110 # [ 48.328669] ? refcount_warn_saturate+0xba/0x110 # [ 48.334146] ? report_bug+0x9e/0xc0 # [ 48.338335] ? handle_bug+0x41/0x90 # [ 48.342550] ? exc_invalid_op+0x14/0x70 # [ 48.347126] ? asm_exc_invalid_op+0x12/0x20 # [ 48.352124] ? refcount_warn_saturate+0xba/0x110 # [ 48.357605] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.364054] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 48.370670] direct_entry.cold+0x2c/0x38 # [ 48.375391] full_proxy_write+0x53/0x80 # [ 48.379978] vfs_write+0xe7/0x3b0 # [ 48.390176] ksys_write+0x68/0xf0 # [ 48.394200] do_syscall_64+0x30/0x40 # [ 48.398512] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.404454] RIP: 0033:0x7f2db1379473 # [ 48.408736] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.430016] RSP: 002b:00007ffc4620b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.438793] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2db1379473 # [ 48.453265] RDX: 0000000000000020 RSI: 00007f2db126d000 RDI: 0000000000000001 # [ 48.461529] RBP: 00007f2db126d000 R08: 00007f2db126c010 R09: 0000000000000000 # [ 48.469792] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.478055] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.486339] irq event stamp: 0 # [ 48.490049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.503553] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.513005] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.522445] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.529737] ---[ end trace d62b6f016571dac2 ]--- # [ 48.535183] 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 # [ 49.250709] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 49.258724] lkdtm: attempting good copy_to_user of correct size # [ 49.265663] 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 # [ 49.373441] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 49.385561] lkdtm: attempting good copy_from_user of correct size # [ 49.392687] 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 # [ 49.501172] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 49.513117] lkdtm: attempting good copy_to_user inside whitelist # [ 49.526368] 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 # [ 49.639483] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 49.652907] lkdtm: attempting good copy_from_user inside whitelist # [ 49.660160] 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 # [ 49.767775] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 49.780216] lkdtm: good_stack: ffffa7998346fe20-ffffa7998346fe40 # [ 49.787224] lkdtm: bad_stack : ffffa7998346fda8-ffffa7998346fdc8 # [ 49.794264] lkdtm: attempting good copy_to_user of local stack # [ 49.807270] 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 # [ 49.916956] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 49.927291] lkdtm: good_stack: ffffa79983527e20-ffffa79983527e40 # [ 49.940508] lkdtm: bad_stack : ffffa79983527da8-ffffa79983527dc8 # [ 49.953764] lkdtm: attempting good copy_from_user of local stack # [ 49.966960] 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 # [ 50.084589] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 50.092927] lkdtm: good_stack: ffffa79983537e20-ffffa79983537e40 # [ 50.099963] lkdtm: bad_stack : ffffa79983537ff8-ffffa79983538018 # [ 50.107021] lkdtm: attempting good copy_to_user of local stack # [ 50.113850] lkdtm: attempting bad copy_to_user of distant stack # [ 50.126961] 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 # [ 50.238981] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 50.251437] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd194650 # [ 50.266603] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbb4e3c80 # [ 50.281497] 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 # [ 50.396652] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 50.405784] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 50.420176] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 50.434473] lkdtm: FAIL: the thread stack is NOT properly erased # [ 50.447677] CPU: 0 PID: 2938 Comm: cat Tainted: G D W 5.10.210-cip44 #1 # [ 50.456616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.463710] Call Trace: # [ 50.466733] dump_stack+0x77/0x9b # [ 50.470727] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 50.476174] direct_entry.cold+0x2c/0x38 # [ 50.480850] full_proxy_write+0x53/0x80 # [ 50.485441] vfs_write+0xe7/0x3b0 # [ 50.489442] ksys_write+0x68/0xf0 # [ 50.493448] do_syscall_64+0x30/0x40 # [ 50.497719] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.503640] RIP: 0033:0x7fee592fc473 # [ 50.507920] 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 # [ 50.529183] RSP: 002b:00007fff92ba8b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.537931] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee592fc473 # [ 50.546190] RDX: 0000000000000012 RSI: 00007fee591f0000 RDI: 0000000000000001 # [ 50.554451] RBP: 00007fee591f0000 R08: 00007fee591ef010 R09: 0000000000000000 # [ 50.562711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.570970] 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 # [ 50.694459] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 50.703973] lkdtm: Calling matched prototype ... # [ 50.709424] lkdtm: Calling mismatched prototype ... # [ 50.715212] 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 Traceback (most recent call last): File "/lava-12837989/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in from tap import parser ModuleNotFoundError: No module named 'tap' + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #