[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 45308 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376200 run 166607 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 8979 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 8967 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 8972 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 8967 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90972 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107768 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14148 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14158 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 22376 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 53544 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 13854 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 11318 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 9285 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10037 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10036 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466098 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486199 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826066 exit 39497 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 2113301 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 229 run 139463 exit 20786 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 30954 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 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 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 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 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 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 23499 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 23809 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2407 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 24430 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-07-04 06:17:19 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-07-04 06:17:19 UTC ELOG: Event(92) added with size 9 at 2023-07-04 06:17:19 UTC ELOG: Event(9A) added with size 9 at 2023-07-04 06:17:19 UTC ELOG: Event(AD) added with size 10 at 2023-07-04 06:17:19 UTC ELOG: Event(9F) added with size 14 at 2023-07-04 06:17:19 UTC BS: BS_DEV_INIT times (us): entry 0 run 417094 exit 60042 ELOG: Event(A1) added with size 10 at 2023-07-04 06:17:19 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-07-04 06:17:19 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 25595 run 3967 exit 5189 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 17c2 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537190 exit 146315 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 604 run 259986 exit 135292 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 11005187/tftp-deploy-k8mbwn4k/kernel/bzImage 11005187/tftp-deploy-k8mbwn4k/kernel/cmdline 11005187/tftp-deploy-k8mbwn4k/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 11005187/tftp-deploy-k8mbwn4k/kernel/bzIploy-k8mbwn4k/kernel/cmdline 11005187/tftp-deploy-k8mbwn4k/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.12 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 11005187/tftp-deploy-k8mbwn4k/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################## done. The bootfile was 16398560 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 #################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 11005187/tftp-deploy-k8mbwn4k/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005187/extract-nfsrootfs-2ie5ea0t,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: 21892445 Starting kernel ... [ 0.000000] Linux version 5.10.184-cip36 (KernelCI@build-j123637-x86-64-gcc-10-x86-64-defconfig-x86-chromeboobfwg5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 4 06:08:02 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005187/extract-nfsrootfs-2ie5ea0t,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000048] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001221] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006231] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.021226] check: Scanning 1 areas for low memory corruption [ 0.021236] Using GB pages for direct mapping [ 0.021750] RAMDISK: [mem 0x375d8000-0x37ffffff] [ 0.021756] ACPI: Early table checksum verification disabled [ 0.021763] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.021774] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021787] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021800] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.021810] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021819] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021828] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.021839] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021848] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021858] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.021867] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.021877] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021887] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.021896] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021906] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.021911] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.021914] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021918] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021922] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.021926] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.021929] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.021933] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.021937] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.021941] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.021945] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.021948] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.022079] No NUMA configuration found [ 0.022083] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.022091] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.022126] Zone ranges: [ 0.022130] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.022136] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.022142] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.022148] Movable zone start for each node [ 0.022152] Early memory node ranges [ 0.022156] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.022160] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.022164] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.022169] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.022197] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.022235] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.032180] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.032243] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.032265] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.032610] ACPI: PM-Timer IO Port: 0x1808 [ 0.032660] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.032671] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.032675] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.032687] Using ACPI (MADT) for SMP configuration information [ 0.032693] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.032705] TSC deadline timer available [ 0.032710] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.032732] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.032737] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.032742] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.032745] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.032748] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.032752] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.032755] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.032758] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.032762] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.032765] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.032768] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.032771] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.032775] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.032778] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.032781] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.032788] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.032794] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.045945] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.046164] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.046227] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.046231] Policy zone: Normal [ 0.046242] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/11005187/extract-nfsrootfs-2ie5ea0t,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.046676] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.046866] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.046940] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065631] Memory: 3878192K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210600K reserved, 0K cma-reserved) [ 0.065765] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065817] Kernel/User page tables isolation: enabled [ 0.065894] ftrace: allocating 60766 entries in 238 pages [ 0.120499] ftrace: allocated 238 pages with 6 groups [ 0.120736] Running RCU self tests [ 0.120749] rcu: Hierarchical RCU implementation. [ 0.120752] rcu: RCU event tracing is enabled. [ 0.120756] rcu: RCU lockdep checking is enabled. [ 0.120759] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.120764] Rude variant of Tasks RCU enabled. [ 0.120767] Tracing variant of Tasks RCU enabled. [ 0.120771] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.120775] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.128680] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.129087] random: crng init done [ 0.129172] Console: colour dummy device 80x25 [ 0.204280] printk: console [ttyS0] enabled [ 0.204646] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.205307] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.205667] ... MAX_LOCK_DEPTH: 48 [ 0.206028] ... MAX_LOCKDEP_KEYS: 8192 [ 0.206410] ... CLASSHASH_SIZE: 4096 [ 0.206785] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.207168] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.207550] ... CHAINHASH_SIZE: 32768 [ 0.207933] memory used by lock dependency info: 6365 kB [ 0.208401] memory used for stack traces: 4224 kB [ 0.208818] per task-struct memory footprint: 1920 bytes [ 0.209330] ACPI: Core revision 20200925 [ 0.209846] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.210345] APIC: Switch to symmetric I/O mode setup [ 0.214814] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.215728] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.216632] pid_max: default: 32768 minimum: 301 [ 0.216714] LSM: Security Framework initializing [ 0.216714] SELinux: Initializing. [ 0.216714] LSM support for eBPF active [ 0.216714] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216714] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216714] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.216714] process: using mwait in idle threads [ 0.216714] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.216714] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.216714] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.216714] Spectre V2 : Mitigation: IBRS [ 0.216714] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.216714] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.216714] RETBleed: Mitigation: IBRS [ 0.216714] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.216714] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.216714] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.216714] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216714] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216714] SRBDS: Vulnerable: No microcode [ 0.216714] ------------[ cut here ]------------ [ 0.216714] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.216714] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.216714] Modules linked in: [ 0.216714] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.184-cip36 #1 [ 0.216714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.216714] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.216714] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 90 63 8f bd c6 05 fb e9 46 02 01 e8 52 e7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.216714] RSP: 0000:ffffffffbdc03de0 EFLAGS: 00010282 [ 0.216714] RAX: 0000000000000000 RBX: ffffffffbe80b328 RCX: 0000000000000000 [ 0.216714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbbb77c91 [ 0.216714] RBP: ffffffffbd57ed20 R08: 0000000000000001 R09: 0000000000000001 [ 0.216714] R10: ffffffffbdc8fee0 R11: 3fffffffffffffff R12: ffffffffbe823428 [ 0.216714] R13: cccccccccccccccc R14: ffffffffbd57ed25 R15: 0000000000000004 [ 0.216714] FS: 0000000000000000(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 0.216714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.216714] CR2: ffff9dcb7efff000 CR3: 000000001ce26001 CR4: 00000000003706f0 [ 0.216714] Call Trace: [ 0.216714] ? __warn+0x80/0x110 [ 0.216714] ? apply_returns+0x1f5/0x220 [ 0.216714] ? report_bug+0x9e/0xc0 [ 0.216714] ? __warn_printk+0x6c/0x8d [ 0.216714] ? handle_bug+0x41/0x90 [ 0.216714] ? exc_invalid_op+0x14/0x70 [ 0.216714] ? asm_exc_invalid_op+0x12/0x20 [ 0.216714] ? console_unlock+0x4d1/0x5f0 [ 0.216714] ? apply_returns+0x1f5/0x220 [ 0.216714] alternative_instructions+0x7d/0x143 [ 0.216714] check_bugs+0xe9f/0xefb [ 0.216714] start_kernel+0x517/0x54d [ 0.216714] secondary_startup_64_no_verify+0xc2/0xcb [ 0.216714] irq event stamp: 198843 [ 0.216714] hardirqs last enabled at (198851): [] console_unlock+0x4d1/0x5f0 [ 0.216714] hardirqs last disabled at (198858): [] console_unlock+0x444/0x5f0 [ 0.216714] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.216714] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.216714] ---[ end trace e2cd4c44169b9e70 ]--- [ 0.216714] Freeing SMP alternatives memory: 48K [ 0.216714] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.217311] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.217728] ... version: 4 [ 0.218083] ... bit width: 48 [ 0.218443] ... generic registers: 4 [ 0.218720] ... value mask: 0000ffffffffffff [ 0.219183] ... max period: 00007fffffffffff [ 0.219643] ... fixed-purpose events: 3 [ 0.219719] ... event mask: 000000070000000f [ 0.220618] rcu: Hierarchical SRCU implementation. [ 0.222423] smp: Bringing up secondary CPUs ... [ 0.223362] x86: Booting SMP configuration: [ 0.223731] .... node #0, CPUs: #1 [ 0.224800] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.225738] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.227290] #2 #3 [ 0.229314] smp: Brought up 1 node, 4 CPUs [ 0.229722] smpboot: Max logical packages: 1 [ 0.230100] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.233021] devtmpfs: initialized [ 0.233756] x86/mm: Memory block size: 128MB [ 0.237139] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.237733] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.238771] pinctrl core: initialized pinctrl subsystem [ 0.240141] PM: RTC time: 06:17:36, date: 2023-07-04 [ 0.241112] NET: Registered protocol family 16 [ 0.242151] audit: initializing netlink subsys (disabled) [ 0.242754] audit: type=2000 audit(1688451456.027:1): state=initialized audit_enabled=0 res=1 [ 0.243316] thermal_sys: Registered thermal governor 'step_wise' [ 0.243498] thermal_sys: Registered thermal governor 'user_space' [ 0.243787] cpuidle: using governor menu [ 0.244842] ACPI: bus type PCI registered [ 0.245503] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.245724] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.246336] PCI: Using configuration type 1 for base access [ 0.276965] Kprobes globally optimized [ 0.277333] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.277731] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.278462] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.281024] ACPI: Added _OSI(Module Device) [ 0.281722] ACPI: Added _OSI(Processor Device) [ 0.282114] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.282525] ACPI: Added _OSI(Processor Aggregator Device) [ 0.282730] ACPI: Added _OSI(Linux-Dell-Video) [ 0.283123] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.283585] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.294035] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.301170] ACPI: EC: EC started [ 0.301477] ACPI: EC: interrupt blocked [ 0.302318] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.302724] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.303359] ACPI: Interpreter enabled [ 0.303776] ACPI: (supports S0 S3 S4 S5) [ 0.304125] ACPI: Using IOAPIC for interrupt routing [ 0.304618] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.319036] ACPI: Power Resource [PRIC] (on) [ 0.445746] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.446290] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.446962] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.447621] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.448218] PCI host bridge to bus 0000:00 [ 0.448584] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.448723] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.449309] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.449721] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.450364] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.450720] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.451364] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.451721] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.452363] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.452720] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.453363] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.453721] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.454364] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.454720] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.455364] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.455721] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.456364] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.456721] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.457378] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.457721] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.458364] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.458800] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.460249] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.460744] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.461342] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.461727] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.462791] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.463331] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.464342] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.464743] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.465927] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.466474] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.466849] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.468043] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.468590] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.469300] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.469763] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.471079] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.471634] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.472442] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.472763] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.473369] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.474371] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.474763] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.476126] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.476876] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.478194] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.478767] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.480176] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.480766] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.482172] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.482760] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.484250] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.484760] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.486131] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.487441] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.487752] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.489033] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.489586] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.489777] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.490452] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.491379] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.491793] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.492448] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.493405] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.493753] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.495413] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.495966] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.497575] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.499386] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.499737] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.501574] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501981] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.502887] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503824] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.504758] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.505638] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506586] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506973] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.513400] ACPI: EC: interrupt unblocked [ 0.513720] ACPI: EC: event unblocked [ 0.514057] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.514503] ACPI: EC: GPE=0x6e [ 0.514724] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.515334] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.516105] iommu: Default domain type: Translated [ 0.516912] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.517342] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.517747] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.518246] vgaarb: loaded [ 0.519064] SCSI subsystem initialized [ 0.519780] ACPI: bus type USB registered [ 0.520246] usbcore: registered new interface driver usbfs [ 0.520773] usbcore: registered new interface driver hub [ 0.521270] usbcore: registered new device driver usb [ 0.521820] mc: Linux media interface: v0.10 [ 0.522221] videodev: Linux video capture interface: v2.00 [ 0.522749] pps_core: LinuxPPS API ver. 1 registered [ 0.523183] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.523729] PTP clock support registered [ 0.524131] Advanced Linux Sound Architecture Driver Initialized. [ 0.525728] NetLabel: Initializing [ 0.526035] NetLabel: domain hash size = 128 [ 0.526417] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.526797] NetLabel: unlabeled traffic allowed by default [ 0.527360] PCI: Using ACPI for IRQ routing [ 0.535918] clocksource: Switched to clocksource tsc-early [ 0.886979] VFS: Disk quotas dquot_6.6.0 [ 0.887372] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.888355] pnp: PnP ACPI init [ 0.889328] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.889922] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.890497] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.891083] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.891657] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.892243] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.892859] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.893463] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.894047] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.894622] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.895990] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.896842] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.897563] system 00:04: [io 0x0200] has been reserved [ 0.898046] system 00:04: [io 0x0204] has been reserved [ 0.898513] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.899060] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.901963] pnp: PnP ACPI: found 6 devices [ 0.914884] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.915762] NET: Registered protocol family 2 [ 0.916290] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.918405] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.919371] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.920240] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.922660] TCP: Hash tables configured (established 32768 bind 32768) [ 0.923519] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.924433] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.925295] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.926291] NET: Registered protocol family 1 [ 0.927290] RPC: Registered named UNIX socket transport module. [ 0.927848] RPC: Registered udp transport module. [ 0.928262] RPC: Registered tcp transport module. [ 0.928683] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.929758] NET: Registered protocol family 44 [ 0.930170] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.930620] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.931241] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.931784] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.932320] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.932980] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.933573] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.934177] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.934783] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.935385] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.935994] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.936595] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.937205] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.937817] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.938419] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.939065] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.939677] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.940278] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.940889] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.941491] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.942114] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.942727] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.943329] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.944272] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.946706] PCI: CLS 64 bytes, default 64 [ 0.947391] Unpacking initramfs... [ 1.277268] Freeing initrd memory: 10400K [ 1.277749] DMAR: Host address width 39 [ 1.278118] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.278636] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.279424] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.279978] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.280456] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.281226] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.281795] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.282654] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.283348] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.283862] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.284353] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.284829] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.285321] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.287177] kvm: already loaded the other module [ 1.302379] check: Scanning for low memory corruption every 60 seconds [ 1.305619] Initialise system trusted keyrings [ 1.306240] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.322092] NFS: Registering the id_resolver key type [ 1.322568] Key type id_resolver registered [ 1.322973] Key type id_legacy registered [ 1.339102] Key type asymmetric registered [ 1.339487] Asymmetric key parser 'x509' registered [ 1.339970] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 1.340620] io scheduler mq-deadline registered [ 1.341028] io scheduler kyber registered [ 1.341546] test_firmware: interface ready [ 1.343138] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.344702] ACPI: AC Adapter [AC] (on-line) [ 1.345377] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.347004] ACPI: Lid Switch [LID0] [ 1.347518] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.348356] ACPI: Power Button [PWRF] [ 1.348965] ACPI: \_PR_.CP00: Found 3 idle states [ 1.350013] ACPI: \_PR_.CP01: Found 3 idle states [ 1.350907] ACPI: \_PR_.CP02: Found 3 idle states [ 1.351777] ACPI: \_PR_.CP03: Found 3 idle states [ 1.353107] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.356084] hpet_acpi_add: no address or irqs in _CRS [ 1.356866] Non-volatile memory driver v1.3 [ 1.356967] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.357361] Linux agpgart interface v0.103 [ 1.358560] [drm] amdgpu kernel modesetting enabled. [ 1.361320] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.413937] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.415655] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.452239] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.455733] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.472108] loop: module loaded [ 1.473104] lkdtm: No crash points registered, enable through debugfs [ 1.495750] printk: console [ttyS0] disabled [ 1.496411] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.359837] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.360039] printk: console [ttyS0] enabled [ 2.368893] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.393189] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.969433] clocksource: Switched to clocksource tsc [ 4.969765] fbcon: i915drmfb (fb0) is primary device [ 4.971388] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.978920] e100: Intel(R) PRO/100 Network Driver [ 4.978923] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.978975] e1000: Intel(R) PRO/1000 Network Driver [ 4.978977] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.979068] e1000e: Intel(R) PRO/1000 Network Driver [ 4.979070] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.979165] sky2: driver version 1.30 [ 4.979532] usbcore: registered new interface driver r8152 [ 4.980140] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.980158] ehci-pci: EHCI PCI platform driver [ 4.980212] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.980225] ohci-pci: OHCI PCI platform driver [ 4.980274] uhci_hcd: USB Universal Host Controller Interface driver [ 4.981443] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.981661] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.983021] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.984499] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.984573] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.987056] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.987534] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.987547] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.988186] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.988225] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.988228] usb usb1: Product: xHCI Host Controller [ 4.988231] usb usb1: Manufacturer: Linux 5.10.184-cip36 xhci-hcd [ 4.988234] usb usb1: SerialNumber: 0000:00:14.0 [ 4.990308] hub 1-0:1.0: USB hub found [ 4.990515] hub 1-0:1.0: 12 ports detected [ 4.994793] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.994798] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.994801] usb usb2: Product: xHCI Host Controller [ 4.994804] usb usb2: Manufacturer: Linux 5.10.184-cip36 xhci-hcd [ 4.994807] usb usb2: SerialNumber: 0000:00:14.0 [ 4.995568] hub 2-0:1.0: USB hub found [ 4.995616] hub 2-0:1.0: 6 ports detected [ 4.998059] usbcore: registered new interface driver usblp [ 4.998164] usbcore: registered new interface driver usb-storage [ 4.998875] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.999094] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.999096] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.999974] i8042: Warning: Keylock active [ 5.000312] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.002946] rtc_cmos 00:02: RTC can wake from S4 [ 5.003494] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.003739] Console: switching to colour frame buffer device 240x67 [ 5.006007] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.006112] rtc_cmos 00:02: registered as rtc0 [ 5.006423] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.007507] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.007549] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.008566] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.010123] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.010165] intel_pstate: Intel P-state driver initializing [ 5.011021] intel_pstate: HWP enabled [ 5.011062] sdhci: Secure Digital Host Controller Interface driver [ 5.011063] sdhci: Copyright(c) Pierre Ossman [ 5.011094] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.012158] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.012336] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.013657] hid: raw HID events driver (C) Jiri Kosina [ 5.014237] usbcore: registered new interface driver usbhid [ 5.014238] usbhid: USB HID core driver [ 5.014685] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.020234] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.022427] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.028569] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.097355] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.101190] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.104746] netem: version 1.3 [ 5.104876] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.105167] IPv4 over IPsec tunneling driver [ 5.105433] Initializing XFRM netlink socket [ 5.105919] NET: Registered protocol family 10 [ 5.235127] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.241342] Segment Routing with IPv6 [ 5.245719] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.459842] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.467272] NET: Registered protocol family 17 [ 5.474049] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.536810] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.538115] Key type dns_resolver registered [ 5.554713] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.585107] mmc0: new HS400 MMC card at address 0001 [ 5.593525] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.593527] usb 2-3: Product: USB 10/100/1000 LAN [ 5.593529] usb 2-3: Manufacturer: Realtek [ 5.593530] usb 2-3: SerialNumber: 001000001 [ 5.594520] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.599163] microcode: Microcode Update Driver: v2.2. [ 5.607779] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.612388] IPI shorthand broadcast: enabled [ 5.612429] sched_clock: Marking stable (5525717469, 86661288)->(5705108496, -92729739) [ 5.617125] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.633735] registered taskstats version 1 [ 5.638786] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.643448] Loading compiled-in X.509 certificates [ 5.645227] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.652829] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) [ 5.660492] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.681760] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.683841] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.715150] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.724299] PM: Magic number: 15:658:265 [ 5.729109] printk: console [netcon0] enabled [ 5.733983] netconsole: network logging started [ 5.884967] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.894149] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.902142] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.907512] usb 1-9: Manufacturer: Azurewave [ 5.912303] usb 1-9: SerialNumber: 0x0001 [ 5.923427] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.969988] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.023496] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully [ 6.059191] r8152 2-3:1.0 eth0: v1.11.11 [ 6.064322] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.693863] r8152 2-3:1.0 eth0: carrier on [ 7.698704] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.707749] Sending DHCP requests ., OK [ 7.722276] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 [ 7.731236] IP-Config: Complete: [ 7.734850] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 [ 7.746522] host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 7.755756] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 7.755758] nameserver0=192.168.201.1 [ 7.768624] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 7.779944] modprobe (101) used greatest stack depth: 14208 bytes left [ 7.782888] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.787298] modprobe (102) used greatest stack depth: 14120 bytes left [ 7.794866] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 7.802004] ALSA device list: [ 7.811609] cfg80211: failed to load regulatory.db [ 7.814912] No soundcards found. [ 7.824433] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 7.833889] Freeing unused kernel image (initmem) memory: 2148K [ 7.851971] Write protecting the kernel read-only data: 34816k [ 7.859437] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 7.867202] Freeing unused kernel image (rodata/data gap) memory: 860K [ 7.874571] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 7.894785] systemd-udevd (123) used greatest stack depth: 13816 bytes left [ 7.939895] udevadm (125) used greatest stack depth: 13736 bytes left [ 8.059490] chromeos ramoops using acpi device. [ 8.059991] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.076297] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.086170] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.086351] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.104919] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.128298] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator [ 8.128537] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.145251] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator [ 8.159707] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.160939] Registered efivars operations [ 8.174473] gsmi version 1.0 loaded [ 8.320182] 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 [ 8.337656] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 [ 8.350283] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.362119] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.376005] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.387767] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.399501] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.408316] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) [ 8.411201] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.417296] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk [ 8.437619] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.447617] 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 [ 8.448193] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.459924] usbcore: registered new interface driver uvcvideo [ 8.468891] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.474034] USB Video Class driver (1.1.1) [ 8.488595] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.504422] udevadm (142) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.620227] nfsmount (171) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... [ 8.652246] systemd-udevd (133) used greatest stack depth: 12624 bytes left done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.893114] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.930996] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 9.960596] systemd[1]: Set hostname to . [ 10.419524] systemd[1]: Queued start job for default target Graphical Interface. [ 10.430740] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 10.446369] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 10.462320] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 10.479264] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 10.495214] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 10.514096] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 10.535954] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 10.559021] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 10.574988] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 10.585951] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 10.601836] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 10.612959] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 10.624387] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 10.642170] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 10.659116] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 10.675502] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 10.691190] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 10.710560] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 10.726479] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 10.744273] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 10.760131] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 10.777977] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 10.792807] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 10.809567] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 10.829196] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 10.844112] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 10.859153] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 10.876439] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.889693] systemd[1]: Starting Journal Service... Starting Journal Service... [ 10.902769] fuse: init (API version 7.32) [ 10.904650] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 10.922629] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 10.942091] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 10.957643] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 10.972994] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 10.989094] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.003965] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.019848] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.039571] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.046453] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.062619] systemd[1]: modprobe@drm.service: Succeeded. [ 11.069232] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.084632] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.091328] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 11.107566] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 11.120364] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 11.140149] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 11.154172] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 11.172419] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 11.182061] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 11.194120] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 11.210470] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 11.225758] systemd[1]: Starting Create System Users... Starting Create System Users... [ 11.240246] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ 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 Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... [ 11.337426] systemd-journald[206]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. [ 13.715462] systemd-tmpfile (220) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ 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 5.10.184-cip36 #1 SMP Tue Jul 4 06:08:02 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11005187/extract-nfsrootfs-2ie5ea0t' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/11005187/extract-nfsrootfs-2ie5ea0t' / # 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-11005187/environment . /lava-11005187/environment / # /lava-11005187/bin/lava-test-runner /lava-11005187/0 /lava-11005187/bin/lava-test-runner /lava-11005187/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-11005187/0/tests/0_timesync-off ++ cat uuid + UUID=11005187_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-11005187/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=11005187_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/v5.10.184-cip36-10-ga711f789c23e1/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-07-04 06:17:54-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.184-cip36-10-ga711f789c23e1/x86_64/x86_64_defconfig+x86-chromebook+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: 3306116 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 188KB/s kselftest.tar.xz 6%[> ] 214.67K 403KB/s kselftest.tar.xz 26%[====> ] 843.92K 992KB/s kselftest.tar.xz 61%[===========> ] 1.95M 1.73MB/s kselftest.tar.xz 93%[=================> ] 2.94M 2.21MB/s kselftest.tar.xz 100%[===================>] 3.15M 2.30MB/s in 1.4s 2023-07-04 06:17:56 (2.30 MB/s) - 'kselftest.tar.xz' saved [3306116/3306116] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 27.849100] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 28.343863] lkdtm: Performing direct entry BUG [ 28.349067] ------------[ cut here ]------------ [ 28.354694] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 28.360603] invalid opcode: 0000 [#1] SMP PTI [ 28.365475] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.184-cip36 #1 [ 28.374036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 28.380845] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 28.385227] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 28.406204] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 28.412038] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.420006] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 28.427973] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 28.435940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 28.443899] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 28.451867] FS: 00007ff866200580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 28.460893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.467306] CR2: 00007ff86600a000 CR3: 0000000104636004 CR4: 00000000003706e0 [ 28.475275] Call Trace: [ 28.477995] ? __die_body.cold+0x1a/0x1f [ 28.482379] ? die+0x2b/0x50 [ 28.485589] ? do_trap+0x91/0x110 [ 28.489285] ? lkdtm_BUG+0x5/0x10 [ 28.492984] ? do_error_trap+0x90/0x110 [ 28.497264] ? lkdtm_BUG+0x5/0x10 [ 28.500960] ? lkdtm_BUG+0x5/0x10 [ 28.504648] ? exc_invalid_op+0x4e/0x70 [ 28.508927] ? lkdtm_BUG+0x5/0x10 [ 28.512625] ? asm_exc_invalid_op+0x12/0x20 [ 28.517294] ? direct_entry+0xe0/0xe0 [ 28.521380] ? lkdtm_BUG+0x5/0x10 [ 28.525077] direct_entry.cold+0x2c/0x38 [ 28.529457] full_proxy_write+0x53/0x80 [ 28.533755] vfs_write+0xe7/0x3b0 [ 28.537453] ksys_write+0x68/0xf0 [ 28.541144] do_syscall_64+0x30/0x40 [ 28.545133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 28.550773] RIP: 0033:0x7ff866116473 [ 28.554761] 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 [ 28.575749] RSP: 002b:00007fff7b44f918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.584204] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff866116473 [ 28.592171] RDX: 0000000000000004 RSI: 00007ff86600a000 RDI: 0000000000000001 [ 28.600139] RBP: 00007ff86600a000 R08: 00007ff866009010 R09: 0000000000000000 [ 28.608098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 28.616066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 28.624038] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 28.678418] gsmi: Log Shutdown Reason 0x03 [ 28.683024] ---[ end trace e2cd4c44169b9e72 ]--- [ 28.688192] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 28.692582] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 28.713580] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 28.719434] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.727414] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 28.735416] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 28.743417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 28.751420] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 28.759419] FS: 00007ff866200580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 28.768493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.774939] CR2: 00007ff86600a000 CR3: 0000000104636004 CR4: 00000000003706e0 # Segmentation fault # [ 28.343863] lkdtm: Performing direct entry BUG # [ 28.349067] ------------[ cut here ]------------ # [ 28.354694] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 28.360603] invalid opcode: 0000 [#1] SMP PTI # [ 28.365475] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.184-cip36 #1 # [ 28.374036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.380845] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.385227] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 28.406204] RSP: 0018:ffffb2514132fe60 EFLAGS: 0[ 28.864258] lkdtm: Performing direct entry WARNING [ 28.873161] ------------[ cut here ]------------ 0010282 # [ 28.412038] RAX: ffffffffbc5795e0 RBX: 00000000000[ 28.878329] WARNING: CPU: 3 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00001 RCX: 0000000000000000 # [ 28.420006] RDX: 0000000000000[ 28.893956] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 28.952651] CPU: 3 PID: 671 Comm: cat Tainted: G D W 5.10.184-cip36 #1 000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 28.427973[ 28.961230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 28.974253] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 28.979117] 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 b0 55 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 55 [ 29.000102] RSP: 0018:ffffb251413bfe60 EFLAGS: 00010202 [ 29.005938] RAX: ffffffffbc5795f0 RBX: 0000000000000002 RCX: 0000000000000000 [ 29.013909] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd57e8a0 [ 29.021880] RBP: ffffffffbd9f8f07 R08: 0000000000000000 R09: 0000000000000000 [ 29.029850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 29.037819] R13: ffffb251413bff10 R14: ffffb251413bff10 R15: ffff9dcb044bb000 [ 29.045790] FS: 00007f2c21068580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 29.054828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.061245] CR2: 00007f2c20e72000 CR3: 0000000102668005 CR4: 00000000003706e0 [ 29.069215] Call Trace: [ 29.071946] ? __warn+0x80/0x110 ] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000[ 29.075576] ? lkdtm_WARNING+0x13/0x20 [ 29.085969] ? report_bug+0x9e/0xc0 [ 29.089863] ? handle_bug+0x41/0x90 [ 29.093757] ? exc_invalid_op+0x14/0x70 [ 29.098038] ? asm_exc_invalid_op+0x12/0x20 001 # [ 28.435940] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 29.102711] ? lkdtm_BUG+0x10/0x10 [ 29.112722] ? lkdtm_WARNING+0x13/0x20 [ 29.116907] direct_entry.cold+0x2c/0x38 [ 29.121286] full_proxy_write+0x53/0x80 [ 29.125569] vfs_write+0xe7/0x3b0 [ 29.129269] ksys_write+0x68/0xf0 [ 29.132971] do_syscall_64+0x30/0x40 [ 29.136961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 29.142602] RIP: 0033:0x7f2c20f7e473 [ 29.146593] 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 [ 29.167575] RSP: 002b:00007ffcb7fc3cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.176032] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2c20f7e473 [ 29.184001] RDX: 0000000000000008 RSI: 00007f2c20e72000 RDI: 0000000000000001 [ 29.191970] RBP: 00007f2c20e72000 R08: 00007f2c20e71010 R09: 0000000000000000 [ 29.199938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 29.207900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 29.215874] irq event stamp: 0 [ 29.219280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f R12: 0000000000000004 # [ 28.443899] R13: ffffb2514132ff10 [ 29.226283] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 28.451867] FS[ 29.241634] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 29.256984] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.263981] ---[ end trace e2cd4c44169b9e73 ]--- : 00007ff866200580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 28.460893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.467306] CR2: 00007ff86600a000 CR3: 0000000104636004 CR4: 00000000003706e0 # [ 28.475275] Call Trace: # [ 28.477995] ? __die_body.cold+0x1a/0x1f # [ 28.482379] ? die+0x2b/0x50 # [ 28.485589] ? do_trap+0x91/0x110 # [ 28.489285] ? lkdtm_BUG+0x5/0x10 # [ 28.492984] ? do_error_trap+0x90/0x110 # [ 28.497264] ? lkdtm_BUG+0x5/0x10 # [ 28.500960] ? lkdtm_BUG+0x5/0x10 # [ 28.504648] ? exc_invalid_op+0x4e/0x70 # [ 28.508927] ? lkdtm_BUG+0x5/0x10 # [ 28.512625] ? asm_exc_invalid_op+0x12/0x20 # [ 28.517294] ? direct_entry+0xe0/0xe0 # [ 28.521380] ? lkdtm_BUG+0x5/0x10 # [ 29.342728] lkdtm: Performing direct entry WARNING_MESSAGE [ 29.349882] ------------[ cut here ]------------ [ 28.525077] direct_entry.cold+0x2c/0x38 # [ 28.529457] f[ 29.355043] Warning message trigger count: 2 ull_proxy_write+0x53/0x80 # [ 28.533755] vfs_write+0xe7/0x3b[ 29.366062] WARNING: CPU: 1 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0 # [ 28.537453] ksys_write+0x68/0xf0 # [ 28.541144] do_[ 29.382435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table syscall_64+0x30/0x40 # [ 28.545133] entry_SYSCALL_64_after_h[ 29.441096] CPU: 1 PID: 706 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 29.455863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 wframe+0x61/0xc6 # [ 28.550773] RIP: 0033:0x7ff866116473 # [[ 29.462672] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 28.554761] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 29.474523] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 55 e9 02 48 c7 c7 68 94 9f bd 8d 70 01 89 35 81 55 e9 02 e8 a7 c0 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 29.501724] RSP: 0018:ffffb2514143fe60 EFLAGS: 00010286 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 29.513796] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ec 28 48 89 54 24 18 # [ 28.575749] RSP: 002b:00007fff7b44f9[ 29.527983] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 [ 29.542169] RBP: ffffffffbd9f8f0f R08: 0000000000000000 R09: 0000000000000000 18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.584204][ 29.550141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff8661164[ 29.564344] R13: ffffb2514143ff10 R14: ffffb2514143ff10 R15: ffff9dcb0473a000 73 # [ 28.592171] RDX: 0000000000000004 RSI: 00007ff86600a000[ 29.578511] FS: 00007f813ee24580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 29.593759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDI: 0000000000000001 # [ 28.600139] RBP: 00007ff86600a000 R[ 29.600177] CR2: 00007f813ec2e000 CR3: 00000001044fe001 CR4: 00000000003706e0 [ 29.614358] Call Trace: 08: 00007ff866009010 R09: 0000000000000000 # [ 28.608098] R10[ 29.617093] ? __warn+0x80/0x110 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 29.626902] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.616066] R13: 0000000000000001 R14: 0000000000020000 R15[ 29.638078] ? report_bug+0x9e/0xc0 : 0000000000020000 # [ 28.624038] Modules linked in: fuse ip_[ 29.648188] ? handle_bug+0x41/0x90 [ 29.658294] ? exc_invalid_op+0x14/0x70 tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core in[ 29.662577] ? asm_exc_invalid_op+0x12/0x20 dustrialio_triggered_buffer kfifo_buf industrialio snd_soc_da721[ 29.673460] ? lkdtm_WARNING_MESSAGE+0x20/0x30 9 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros[ 29.684635] direct_entry.cold+0x2c/0x38 _ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger[ 29.695230] full_proxy_write+0x53/0x80 cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 [ 29.705727] vfs_write+0xe7/0x3b0 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_com[ 29.715640] ksys_write+0x68/0xf0 mon snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_[ 29.725558] do_syscall_64+0x30/0x40 kbd_led_backlight chromeos_pstore coreboot_table # [ 28.67841[ 29.735767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8] gsmi: Log Shutdown Reason 0x03 # [ 28.683024] ---[ end tra[ 29.747623] RIP: 0033:0x7f813ed3a473 ce e2cd4c44169b9e72 ]--- # [ 28.688192] RIP: 0010:lkdtm_BUG+0[ 29.757829] 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 x5/0x10 # [ 28.692582] Code: 89 ff e8 ce e6 79 ff 48 c7 c0 ea[ 29.785030] RSP: 002b:00007ffc89d34a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 29.799722] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f813ed3a473 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 29.813911] RDX: 0000000000000010 RSI: 00007f813ec2e000 RDI: 0000000000000001 [ 29.828097] RBP: 00007f813ec2e000 R08: 00007f813ec2d010 R09: 0000000000000000 0f 1f 44 00 00 83 05 b0 55 e9 02 # [ 28.713580] RSP: 0018:ff[ 29.836071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 29.850251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffb2514132fe60 EFLAGS: 00010282 # [ 28.719434] RAX: ffffffffb[ 29.858230] irq event stamp: 0 c5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.72[ 29.867844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7414] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffb[ 29.881063] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 d57e890 # [ 28.735416] RBP: ffffffffbda5d600 R08: 00000000000[ 29.896417] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 00001 R09: 0000000000000001 # [ 28.743417] R10: 00000000ffffe[ 29.911772] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.924990] ---[ end trace e2cd4c44169b9e74 ]--- 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 28.751420] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 28.759419] FS: 00007ff866200580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 28.768493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.774939] CR2: 00007ff86600a000 CR3: 0000000104636004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 28.864258] lkdtm: Performing direct entry WARNING # [ 28.873161] ------------[ cut here ]------------ # [ 28.878329] WARNING: CPU: 3 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 28.893956] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso[ 30.003989] lkdtm: Performing direct entry EXCEPTION [ 30.010279] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 30.018060] #PF: supervisor write access in kernel mode [ 30.023891] #PF: error_code(0x0002) - not-present page [ 30.029626] PGD 0 P4D 0 [ 30.032449] Oops: 0002 [#2] SMP PTI [ 30.036339] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 30.044891] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.051701] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 30.056661] Code: 48 c7 c7 68 94 9f bd 8d 70 01 89 35 81 55 e9 02 e8 a7 c0 64 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 [ 30.077641] RSP: 0018:ffffb251414dfe60 EFLAGS: 00010282 [ 30.083466] RAX: ffffffffbc579640 RBX: 0000000000000004 RCX: 0000000000000000 [ 30.091434] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd57e8c0 [ 30.099402] RBP: ffffffffbd8ed46f R08: 0000000000000000 R09: 0000000000000000 [ 30.107368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 30.115336] R13: ffffb251414dff10 R14: ffffb251414dff10 R15: ffff9dcb06bec000 [ 30.123303] FS: 00007f81df98b580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 30.132338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.138753] CR2: 0000000000000000 CR3: 000000010472a002 CR4: 00000000003706e0 [ 30.146720] Call Trace: [ 30.149449] ? __die_body.cold+0x1a/0x1f [ 30.153827] ? no_context+0x177/0x380 [ 30.157915] ? exc_page_fault+0x53/0x170 [ 30.162291] ? asm_exc_page_fault+0x1e/0x30 [ 30.166961] ? lkdtm_WARNING_MESSAGE+0x30/0x30 [ 30.171922] ? lkdtm_EXCEPTION+0x5/0x20 [ 30.176202] direct_entry.cold+0x2c/0x38 [ 30.180580] full_proxy_write+0x53/0x80 [ 30.184862] vfs_write+0xe7/0x3b0 [ 30.188559] ksys_write+0x68/0xf0 [ 30.192257] do_syscall_64+0x30/0x40 [ 30.196245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.201883] RIP: 0033:0x7f81df8a1473 [ 30.205869] 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 [ 30.226849] RSP: 002b:00007fffb15793a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.235302] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f81df8a1473 [ 30.243270] RDX: 000000000000000a RSI: 00007f81df795000 RDI: 0000000000000001 [ 30.251238] RBP: 00007f81df795000 R08: 00007f81df794010 R09: 0000000000000000 [ 30.259206] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.267173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 30.275144] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 30.333834] CR2: 0000000000000000 [ 30.337531] ---[ end trace e2cd4c44169b9e75 ]--- [ 30.342697] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 30.347073] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 30.368050] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 30.373881] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.381847] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 30.389814] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 30.397781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.405748] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 30.413716] FS: 00007f81df98b580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 30.422754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.429169] CR2: 0000000000000000 CR3: 000000010472a002 CR4: 00000000003706e0 [ 30.437137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 30.447046] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat [ 30.455394] INFO: lockdep is turned off. [ 30.459768] irq event stamp: 0 [ 30.463172] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.470170] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 30.479303] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 30.488437] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.495425] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 30.503974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.510775] Call Trace: [ 30.513502] dump_stack+0x77/0x9b [ 30.517198] ___might_sleep.cold+0xa6/0xb6 [ 30.521762] exit_signals+0x1c/0x300 [ 30.525751] do_exit+0xc2/0xab0 [ 30.529254] ? ksys_write+0x68/0xf0 [ 30.533144] make_task_dead+0x2f/0x30 [ 30.537221] rewind_stack_and_make_dead+0x17/0x20 [ 30.542470] RIP: 0033:0x7f81df8a1473 [ 30.546456] 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 [ 30.567434] RSP: 002b:00007fffb15793a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.575888] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f81df8a1473 [ 30.583856] RDX: 000000000000000a RSI: 00007f81df795000 RDI: 0000000000000001 [ 30.591824] RBP: 00007f81df795000 R08: 00007f81df794010 R09: 0000000000000000 [ 30.599793] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.607761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 28.952651] CPU: 3 PID: 671 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 28.961230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.974253] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 28.979117] 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 b0 55 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 55 # [ 29.000102] RSP: 0018:ffffb251413bfe60 EFLAGS: 00010202 # [ 29.005938] RAX: ffffffffbc5795f0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 29.013909] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd57e8a0 # [ 29.021880] RBP: ffffffffbd9f8f07 R08: 0000000000000000 R09: 0000000000000000 # [ 29.029850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 29.037819] R13: ffffb251413bff10 R14: ffffb251413bff10 R15: ffff9dcb044bb000 # [ 29.045790] FS: 00007f2c21068580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 29.054828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.061245] CR2: 00007f2c20e72000 CR3: 0000000102668005 CR4: 00000000003706e0 # [ 29.069215] Call Trace: # [ 29.071946] ? __warn+0x80/0x110 # [ 29.075576] ? lkdtm_WARNING+0x13/0x20 # [ 29.085969] ? report_bug+0x9e/0xc0 # [ 29.089863] ? handle_bug+0x41/0x90 # [ 29.093757] ? exc_invalid_op+0x14/0x70 # [ 29.098038] ? asm_exc_invalid_op+0x12/0x20 # [ 29.102711] ? lkdtm_BUG+0x10/0x10 # [ 29.112722] ? lkdtm_WARNING+0x13/0x20 # [ 29.116907] direct_entry.cold+0x2c/0x38 # [ 29.121286] full_proxy_write+0x53/0x80 # [ 29.125569] vfs_write+0xe7/0x3b0 # [ 29.129269] ksys_write+0x68/0xf0 # [ 29.132971] do_syscall_64+0x30/0x40 # [ 29.136961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.142602] RIP: 0033:[ 30.833019] lkdtm: Performing direct entry CORRUPT_LIST_ADD 0x7f2c20f7e473 # [ 29.146593] Code: 8b 15 21 2a 0e 00 f7 d8 6[ 30.839549] lkdtm: attempting good list addition 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 30.850920] lkdtm: attempting corrupted list addition 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 30.862776] lkdtm: list_add() corruption not detected! 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.167575] RSP: 002b:00007ffcb7fc3cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.176032] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2c20f7e473 # [ 29.184001] RDX: 0000000000000008 RSI: 00007f2c20e72000 RDI: 0000000000000001 # [ 29.191970] RBP: 00007f2c20e72000 R08: 00007f2c20e71010 R09: 0000000000000000 # [ 29.199938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.207900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.215874] irq event stamp: 0 # [ 29.219280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.226283] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 29.2[ 30.948780] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 30.955557] lkdtm: attempting good list removal [ 30.960619] lkdtm: attempting corrupted list removal 41634] softirqs last enabled at (0): [] copy_[ 30.966196] lkdtm: list_del() corruption not detected! process+0x664/0x1c60 # [ 29.256984] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.263981] ---[ end trace e2cd4c44169b9e73 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 29.342728] lkdtm: Performing direct entry WARNING_MESSAGE # [ 29.349882] ------------[ cut here ]------------ # [ 29.355043] Warning message trigger count: 2 # [ 29.366062] WARNING: CPU: 1 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.382435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 29.441096] CPU: 1 PID: 706 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 29.455863] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.462672] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.474523] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 55 e9 02 48 c7 c7 68 94 9f bd 8d[ 31.111662] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 31.121892] lkdtm: attempting bad read from page below current stack [ 31.129011] BUG: stack guard page was hit at 000000006d1b1214 (stack is 00000000255bb5d3..000000001706d3b0) 70 01 89 35 81 55 e9 02 e8 a7 c0 64 00 <0f> 0b c3 cc cc cc cc 6[ 31.139905] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 31.152921] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 31.161473] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.168279] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 31.174792] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 98 9f bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 62 de fb ff 48 c7 c7 48 98 9f bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 48 de fb ff 0f 1f 44 [ 31.195773] RSP: 0018:ffffb2514182fe50 EFLAGS: 00010246 [ 31.201604] RAX: 0000000000000038 RBX: ffffb2514182c000 RCX: 0000000000000000 [ 31.209573] RDX: 0000000000000000 RSI: ffff9dcb7ad1bf70 RDI: ffffffffbd9f9848 [ 31.217541] RBP: ffffffffbd9f8f72 R08: 0000000000000000 R09: 0000000000000000 [ 31.225510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 31.233480] R13: ffffb2514182ff10 R14: ffffb2514182ff10 R15: ffff9dcb032d1000 [ 31.241449] FS: 00007f2ac4509580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 31.250487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.256901] CR2: ffffb2514182bfff CR3: 0000000105d82002 CR4: 00000000003706e0 [ 31.264870] Call Trace: [ 31.267596] <#DF> [ 31.269838] ? __die_body.cold+0x1a/0x1f [ 31.274215] ? die+0x2b/0x50 [ 31.277427] ? handle_stack_overflow+0x3e/0x4d [ 31.282379] ? no_context+0x24d/0x380 [ 31.286456] 6 [0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 29.501724] RS 31.288791] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 31.347499] ---[ end trace e2cd4c44169b9e76 ]--- [ 31.352647] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.357023] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 31.378005] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 31.383839] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.391809] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 31.399779] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 31.407751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.415719] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 31.423696] FS: 00007f2ac4509580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 31.432746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.439164] CR2: ffffb2514182bfff CR3: 0000000105d82002 CR4: 00000000003706e0 P: 0018:ffffb2514143fe60 EFLAGS: 00010286 # [ 29.513796] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 29.527983] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 29.542169] RBP: ffffffffbd9f8f0f R08: 0000000000000000 R09: 0000000000000000 # [ 29.550141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 29.564344] R13: ffffb2514143ff10 R14: ffffb2514143ff10 R15: ffff9dcb0473a000 # [ 29.578511] FS: 00007f813ee24580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 29.593759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.600177] CR2: 00007f813ec2e000 CR3: 00000001044fe001 CR4: 00000000003706e0 # [ 29.614358] Call Trace: # [ 29.617093] ? __warn+0x80/0x110 # [ 29.626902] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.638078] ? report_bug+0x9e/0xc0 # [ 29.648188] ? handle_bug+0x41/0x90 # [ 29.658294] ? exc_invalid_op+0x14/0x70 # [ 29.662577] ? asm_exc_invalid_op+0x12/0x20 # [ 29.673[ 31.540873] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 31.553743] lkdtm: attempting bad read from page above current stack [ 31.560879] BUG: stack guard page was hit at 00000000d842cdc8 (stack is 000000003ee6a0bb..00000000aca139bd) 460] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.684635] direc[ 31.571791] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 31.584807] CPU: 3 PID: 997 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 31.593349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.600155] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 31.606765] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 80 98 9f bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 de fb ff 48 c7 c7 c0 98 9f bd <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 0b de fb ff [ 31.627746] RSP: 0018:ffffb251418cfe50 EFLAGS: 00010246 [ 31.633580] RAX: 0000000000000038 RBX: ffffb251418cc000 RCX: 0000000000000000 [ 31.641540] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd9f98c0 [ 31.649506] RBP: ffffffffbd9f8f8b R08: 0000000000000000 R09: 0000000000000000 [ 31.657475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 31.665444] R13: ffffb251418cff10 R14: ffffb251418cff10 R15: ffff9dcb04708000 [ 31.673412] FS: 00007f063f6a7580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 31.682447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.688862] CR2: ffffb251418d0000 CR3: 0000000105af2003 CR4: 00000000003706e0 [ 31.696831] Call Trace: [ 31.699556] <#DF> [ 31.701799] ? __die_body.cold+0x1a/0x1f [ 31.706176] ? die+0x2b/0x50 [ 31.709387] ? handle_stack_overflow+0x3e/0x4d [ 31.714346] ? no_context+0x24d/0x380 [ 31.718429] t_entry.cold+0x2c/0x38 # [ 29.695230] full_proxy_write+0x53/[ 31.720765] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 31.779462] ---[ end trace e2cd4c44169b9e77 ]--- [ 31.784616] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.788991] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 31.809972] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 31.815804] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.823770] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 31.831753] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 31.839743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.847711] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 31.855699] FS: 00007f063f6a7580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 31.864750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.871163] CR2: ffffb251418d0000 CR3: 0000000105af2003 CR4: 00000000003706e0 [ 31.879131] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 31.889042] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 997, name: cat [ 31.897389] INFO: lockdep is turned off. [ 31.901763] irq event stamp: 0 [ 31.905169] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.912166] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 31.921298] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 31.930432] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.937430] CPU: 3 PID: 997 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 31.945979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.952781] Call Trace: [ 31.955508] dump_stack+0x77/0x9b [ 31.959205] ___might_sleep.cold+0xa6/0xb6 [ 31.963777] exit_signals+0x1c/0x300 [ 31.967764] do_exit+0xc2/0xab0 [ 31.971267] ? ksys_write+0x68/0xf0 [ 31.975160] make_task_dead+0x2f/0x30 [ 31.979246] rewind_stack_and_make_dead+0x17/0x20 [ 31.984487] RIP: 0033:0x7f063f5bd473 [ 31.988475] 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 [ 32.009447] RSP: 002b:00007ffdd72fc788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.017901] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f063f5bd473 [ 32.025870] RDX: 000000000000001a RSI: 00007f063f4b1000 RDI: 0000000000000001 [ 32.033837] RBP: 00007f063f4b1000 R08: 00007f063f4b0010 R09: 0000000000000000 [ 32.041804] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.049773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x80 # [ 29.705727] vfs_write+0xe7/0x3b0 # [ 29.715640] ksys_write+0x68/0xf0 # [ 29.725558] do_syscall_64+0x30/0x40 # [ 29.735767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.747623] RIP: 0033:0x7f813ed3a473 # [ 29.757829] 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 # [ 29.785030] RSP: 002b:00007ffc89d34a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.799722] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f813ed3a473 # [ 29.813911] RDX: 0000000000000010 RSI: 00007f813ec2e000 RDI: 0000000000000001 # [ 29.828097] RBP: 00007f813ec2e000 R08: 00007f813ec2d010 R09: 0000000000000000 # [ 29.836071] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.850251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.858230] irq event stamp: 0 # [ 29.867844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.881063] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 29.896417] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 29.911772] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.924990] ---[ end trace e2cd4c44169b9e74 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 30.003[ 32.201299] lkdtm: Performing direct entry UNSET_SMEP 989] lkdtm: Performing direct entry EXCEPTION # [ 30.010279] [ 32.212612] lkdtm: trying to clear SMEP normally BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 32.223977] ------------[ cut here ]------------ # [ 30.018060] #PF: supervisor write access in kernel mode #[ 32.235375] pinned CR4 bits changed: 0x100000!? [ 30.023891] #PF: error_code(0x0002) - not-present page # [ [ 32.246660] WARNING: CPU: 0 PID: 1033 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 30.029626] PGD 0 P4D 0 # [ 30.032449] Oops: 0002 [#2] SMP [ 32.263075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table PTI # [ 30.036339] CPU: 3 PID: 738 Comm: cat Tainted: G [ 32.321743] CPU: 0 PID: 1033 Comm: cat Tainted: G D W 5.10.184-cip36 #1 D W 5.10.184-cip36 #1 # [ 30.044891] Hardware name: G[ 32.336612] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 30.051701] RIP: 001[ 32.349644] RIP: 0010:native_write_cr4+0x45/0x60 0:lkdtm_EXCEPTION+0x5/0x20 # [ 30.056661] Code: 48 c7 c7 68 9[ 32.361037] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 73 33 46 02 00 75 f2 48 c7 c7 30 75 8f bd c6 05 63 33 46 02 01 e8 a2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 4 9f bd 8d 70 01 89 35 81 55 e9 02 e8 a7 c0 64 00 0f 0b c3 cc cc[ 32.388248] RSP: 0018:ffffb25141957e48 EFLAGS: 00010286 cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 0[ 32.400288] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 0 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 30.0[ 32.414520] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 77641] RSP: 0018:ffffb251414dfe60 EFLAGS: 00010282 # [ 30.083[ 32.428714] RBP: ffffffffbd9f8fa5 R08: 0000000000000000 R09: 0000000000000000 466] RAX: ffffffffbc579640 RBX: 0000000000000004 RCX: 0000000000[ 32.442932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 000000 # [ 30.091434] RDX: 0000000000000000 RSI: ffff9dcb7ad9[ 32.457110] R13: ffffb25141957f10 R14: ffffb25141957f10 R15: ffff9dcb05f90000 bf70 RDI: ffffffffbd57e8c0 # [ 30.099402] RBP: ffffffffbd8ed4[ 32.471301] FS: 00007f64a75ab580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 6f R08: 0000000000000000 R09: 0000000000000000 # [ 30.107368][ 32.486599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 32.499222] CR2: 00007f64a73b5000 CR3: 00000001032fa003 CR4: 00000000003706f0 0a # [ 30.115336] R13: ffffb251414dff10 R14: ffffb251414dff10[ 32.513440] Call Trace: R15: ffff9dcb06bec000 # [ 30.123303] FS: 00007f81df98b580(0[ 32.522424] ? __warn+0x80/0x110 000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 30.[ 32.532208] ? native_write_cr4+0x45/0x60 132338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 32.542932] ? report_bug+0x9e/0xc0 30.138753] CR2: 0000000000000000 CR3: 000000010472a002 CR4: 000[ 32.553004] ? handle_bug+0x41/0x90 00000003706e0 # [ 30.146720] Call Trace: # [ 30.149449] ?[ 32.563133] ? exc_invalid_op+0x14/0x70 __die_body.cold+0x1a/0x1f # [ 30.153827] ? no_context+0x177[ 32.573611] ? asm_exc_invalid_op+0x12/0x20 /0x380 # [ 30.157915] ? exc_page_fault+0x53/0x170 # [ 30.[ 32.584536] ? native_write_cr4+0x45/0x60 162291] ? asm_exc_page_fault+0x1e/0x30 # [ 30.166961] ? lkd[ 32.595191] ? native_write_cr4+0x45/0x60 tm_WARNING_MESSAGE+0x30/0x30 # [ 30.171922] ? lkdtm_EXCEPTIO[ 32.605896] lkdtm_UNSET_SMEP.cold+0x1d/0x103 N+0x5/0x20 # [ 30.176202] direct_entry.cold+0x2c/0x38 # [ [ 32.616975] direct_entry.cold+0x2c/0x38 30.180580] full_proxy_write+0x53/0x80 # [ 30.184862] vfs_w[ 32.627597] full_proxy_write+0x53/0x80 rite+0xe7/0x3b0 # [ 30.188559] ksys_write+0x68/0xf0 # [ 3[ 32.638070] vfs_write+0xe7/0x3b0 0.192257] do_syscall_64+0x30/0x40 # [ 30.196245] entry_SYSC[ 32.647995] ksys_write+0x68/0xf0 ALL_64_after_hwframe+0x61/0xc6 # [ 30.201883] RIP: 0033:0x7f8[ 32.657905] do_syscall_64+0x30/0x40 1df8a1473 # [ 30.205869] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 [ 32.668127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8[ 32.679984] RIP: 0033:0x7f64a74c1473 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f [ 32.690193] 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 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.226849] RSP: 002b:[ 32.717393] RSP: 002b:00007ffe8522a7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00007fffb15793a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.732079] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f64a74c1473 [ 30.235302] RAX: ffffffffffffffda RBX: 000000000000000a RCX: [ 32.746258] RDX: 000000000000000b RSI: 00007f64a73b5000 RDI: 0000000000000001 00007f81df8a1473 # [ 30.243270] RDX: 000000000000000a RSI: 00[ 32.760486] RBP: 00007f64a73b5000 R08: 00007f64a73b4010 R09: 0000000000000000 007f81df795000 RDI: 0000000000000001 # [ 30.251238] RBP: 0000[ 32.774643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 7f81df795000 R08: 00007f81df794010 R09: 0000000000000000 # [ [ 32.788837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 30.259206] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 32.803033] irq event stamp: 0 000000000001 # [ 30.267173] R13: 0000000000000001 R14: 000000[ 32.812670] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000020000 R15: 0000000000020000 # [ 30.275144] Modules linke[ 32.825876] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 d in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_s[ 32.841238] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 32.856582] softirqs last disabled at (0): [<0000000000000000>] 0x0 snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec[ 32.869809] ---[ end trace e2cd4c44169b9e78 ]--- _lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros[ 32.881170] lkdtm: ok: SMEP did not get cleared _usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core v[ 32.892452] lkdtm: trying to clear SMEP with call gadget ideobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress[ 32.904614] lkdtm: ok: SMEP removal was reverted videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 30.333834] CR2: 0000000000000000 # [ 30.337531] ---[ end trace e2cd4c44169b9e75 ]--- # [ 30.342697] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.347073] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 30.368050] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 30.373881] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.381847] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 30.389814] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 30.397781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.405748] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 30.413716] FS: 00007f81df98b580(0000) GS:ffff9d[ 33.010088] lkdtm: Performing direct entry DOUBLE_FAULT cb7ad80000(0000) knlGS:0000000000000000 # [ 30.422754] CS: 0[ 33.021282] lkdtm: XFAIL: this test is ia32-only 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.429169] CR2: 0000000000000000 CR3: 000000010472a002 CR4: 00000000003706e0 # [ 30.437137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.447046] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat # [ 30.455394] INFO: lockdep is turned off. # [ 30.459768] irq event stamp: 0 # [ 30.463172] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.470170] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 30.479303] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 30.488437] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.495425] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 30.503974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.510775] Call Trace: # [ 30.513502] dump_stack+0x77/0x9b # [ 30.517198] ___might_sleep.cold+0xa6/0xb6 # [ 30.521762] exit_signals+0x1c/0x300 # [ 30.525751] do_exit+0xc2/0xab0 # [ 30.529254] ? ksys_write+0x68/0xf0 # [ 30.533144] make_task_dead+0x2f/0x30 # [ 30.537221] rewind_stack_and_make_dead+0x17/0x20 # [ 30.542470] RIP: 0033:0x7f81df8a1473 # [ 30.546456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89[ 33.157239] lkdtm: Performing direct entry CORRUPT_PAC 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 33.168894] lkdtm: XFAIL: this test is arm64-only 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.567434] RSP: 002b:00007fffb15793a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.575888] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f81df8a1473 # [ 30.583856] RDX: 000000000000000a RSI: 00007f81df795000 RDI: 0000000000000001 # [ 30.591824] RBP: 00007f81df795000 R08: 00007f81df794010 R09: 0000000000000000 # [ 30.599793] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.607761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_[ 33.294639] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 33.305721] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 30.833019] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 30.839549] lkdtm: attempting good list addition # [ 30.850920] lkdtm: attempting corrupted list addition # [ 30.862776] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 30.948780] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 30.955557] lkdtm: attempting good list removal # [ 30.960619] lkdtm: attempting corrupted list removal # [ 30.966196] 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 # [ 31.111662] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 31.121892] lkdtm: attempting bad read from page below current stack # [ 31.129011] BUG: stack guard page was hit at 000000006d1b1214 (stack is 00000000255bb5d3..000000001706d3b0) # [ 31.139905] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 31.152921] CPU: 2 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 31.161473] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.168279] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 31.174792] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 98 9f bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 62 de fb ff 48 c7 c7 48 98 9f bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 48 de fb ff 0f 1f 44 # [ 31.195773] RSP: 0018:ffffb2514182fe50 EFLAGS: 00010246 # [ 31.201604] RAX: 0000000000000038 RBX: ffffb2514182c000 RCX: 0000000000000000 # [ 31.209573] RDX: 0000000000000000 RSI: ffff9dcb7ad1bf70 RDI: ffffffffbd9f9848 # [ 31.217541] RBP: ffffffffbd9f8f72 R08: 0000000000000000 R09: 0000000000000000 # [ 31.225510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 31.233480] R13: ffffb2514182ff10 R14: ffffb2514182ff10 R15: ffff9dcb032d1000 # [ 31.241449] [ 33.522421] lkdtm: Performing direct entry READ_AFTER_FREE FS: 00007f2ac4509580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000[ 33.530844] lkdtm: Value in memory before free: 12345678 000000000000 # [ 31.250487] CS: 0010 DS: 0000 ES: 0000 CR0: [ 33.543004] lkdtm: Attempting bad read from freed memory 0000000080050033 # [ 31.256901] CR2: ffffb2514182bfff CR3: 00[ 33.555141] lkdtm: Memory was not poisoned 00000105d82002 CR4: 00000000003706e0 # [ 31.264870] Call Trace: # [ 31.267596] <#DF> # [ 31.269838] ? __die_body.cold+0x1a/0x1f # [ 31.274215] ? die+0x2b/0x50 # [ 31.277427] ? handle_stack_overflow+0x3e/0x4d # [ 31.282379] ? no_context+0x24d/0x380 # [ 31.286456] # [ 31.288791] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.347499] ---[ end trace e2cd4c44169b9e76 ]--- # [ 31.352647] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.357023] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 31.378005] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 31.383839] RAX: ffffffffbc5795e0 RBX: 00000000000000[ 33.689035] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 01 RCX: 0000000000000000 # [ 31.391809] RDX: 0000000000000000[ 33.696981] lkdtm: Value in memory before free: 12345678 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 31.399779] R[ 33.709134] lkdtm: Attempting to read from freed memory BP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001[ 33.721161] lkdtm: Buddy page was not poisoned # [ 31.407751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.415719] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 31.423696] FS: 00007f2ac4509580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 31.432746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.439164] CR2: ffffb2514182bfff CR3: 0000000105d82002 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 # [ 31.540873] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 31.553743] lkdtm: attempting bad read from page above current stack # [ 31.560879] BUG: stack guard page was hit at 00000000d842cdc8 (stack is 000000003ee6a0bb..00000000aca139bd) # [ 31.571791] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 31.584807] CPU: 3 PID: 997 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 31.593349] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 33.836103] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 33.844207] lkdtm: Attempting double slab free ... 0 # [ 31.600155] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 31.606765] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 80 98 9f bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 de fb ff 48 c7 c7 c0 98 9f bd <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 0b de fb ff # [ 31.627746] RSP: 0018:ffffb251418cfe50 EFLAGS: 00010246 # [ 31.633580] RAX: 0000000000000038 RBX: ffffb251418cc000 RCX: 0000000000000000 # [ 31.641540] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd9f98c0 # [ 31.649506] RBP: ffffffffbd9f8f8b R08: 0000000000000000 R09: 0000000000000000 # [ 31.657475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 31.665444] R13: ffffb251418cff10 R14: ffffb251418cff10 R15: ffff9dcb04708000 # [ 31.673412] FS: 00007f063f6a7580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 31.682447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.688862] CR2: ffffb251418d0000 CR3: 0000000105af2003 CR4: 00000000003706e0 # [ 31.696831] Call Trace: # [ 31.699556] <#DF> # [ 31.701799] ? __die_body.cold+0x1a/0x1f # [ 31.706176] ? die+0x2b/0x50 # [ 31.709387] ? handle_stack_overflow+0x3e/0x4d # [ [ 33.967353] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 33.973903] lkdtm: Attempting cross-cache slab free ... 31.714346] ? no_context+0x24d/0x380 # [ 31.718429] # [ 31.720765] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.779462] ---[ end trace e2cd4c44169b9e77 ]--- # [ 31.784616] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.788991] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 31.809972] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 31.815804] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.823770] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 31.831753] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 31.839743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.847711] R13[ 34.110015] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 34.116410] lkdtm: Attempting non-Slab slab free ... : ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 31.855699] FS: 00007f063f6a7580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 31.864750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.871163] CR2: ffffb251418d0000 CR3: 0000000105af2003 CR4: 00000000003706e0 # [ 31.879131] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.889042] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 997, name: cat # [ 31.897389] INFO: lockdep is turned off. # [ 31.901763] irq event stamp: 0 # [ 31.905169] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.912166] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 31.921298] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 31.930432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.937430] CPU: 3 PID: 997 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 31.945979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.952781] Call Trace: # [ 31.955508] dump_stack+0x77/0x9b # [ 31.959205] ___might_sleep.cold+0xa6/0xb6 # [ 31.963777] exit_signals+0x1c/0x300 # [ 31.967764] do_exit+0xc2/0xab0 # [ 31.971267] ? ksys_write+0x68/0xf0 # [ 31.975160] make_task_dead+0x2f/0x30 # [ 31.979246] rewind_stack_and_make_dead+0x17/0x20 # [ 31.984487] RIP: 0033:0x7f063f5bd473 # [ 31.988475] 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 # [ 32.009447] RSP: 002b:00007ffdd72fc788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.017901] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f063f5bd473 # [ 32.025870] RDX: 000000000000001a RSI: 00007f063f4b1000 RDI: 0000000000000001 # [ 32.033837] RBP: 00007f063f4b1000 R08: 00007f063f4b0010 R09: 0000000000000000 # [ 32.041804] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.049773] 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 # [ 32.201299] lkdtm: Performing direct entry UNSET_SMEP # [ 32.212612] lkdtm: trying to clear SMEP normally # [ 32.223977] ------------[ cut here ]------------ # [ 32.235375] pinned CR4 bits changed: 0x100000!? # [ 32.246660] WARNING: CPU: 0 PID: 1033 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 32.263075] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 32.321743] CPU: 0 PID: 1033 Comm: cat Taint[ 34.437303] lkdtm: Performing direct entry EXEC_DATA [ 34.444842] lkdtm: attempting ok execution at ffffffffbc5799b0 ed: G D W 5.10.184-cip36 #1 # [ 32.336612] Hardw[ 34.451370] lkdtm: attempting bad execution at ffffffffbf40ebe0 [ 34.464195] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 34.472557] BUG: unable to handle page fault for address: ffffffffbf40ebe0 [ 34.480235] #PF: supervisor instruction fetch in kernel mode [ 34.486554] #PF: error_code(0x0011) - permissions violation [ 34.492773] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001e6000e3 [ 34.500259] Oops: 0011 [#5] SMP PTI [ 34.504151] CPU: 3 PID: 1540 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 34.512790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.519594] RIP: 0010:data_area+0x0/0x40 [ 34.523970] Code: ff ff 00 ba a5 04 cb 9d ff ff 00 b9 a5 04 cb 9d 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 [ 34.544949] RSP: 0018:ffffb25142107e48 EFLAGS: 00010246 [ 34.550781] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.558748] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 34.566714] RBP: ffffffffbf40ebe0 R08: 0000000000000000 R09: 0000000000000000 [ 34.574703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 34.582672] R13: ffffb25142107f10 R14: ffffb25142107f10 R15: ffff9dcb0432f000 [ 34.590665] FS: 00007faa458fb580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 34.599702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.606115] CR2: ffffffffbf40ebe0 CR3: 0000000105c58001 CR4: 00000000003706e0 [ 34.614083] Call Trace: [ 34.616811] ? __die_body.cold+0x1a/0x1f [ 34.621189] ? no_context+0x177/0x380 [ 34.625277] ? exc_page_fault+0xd7/0x170 [ 34.629655] ? asm_exc_page_fault+0x1e/0x30 [ 34.634327] ? execute_location+0x45/0x56 [ 34.638800] ? direct_entry.cold+0x2c/0x38 [ 34.643372] ? full_proxy_write+0x53/0x80 [ 34.647847] ? vfs_write+0xe7/0x3b0 [ 34.651750] ? ksys_write+0x68/0xf0 [ 34.655642] ? do_syscall_64+0x30/0x40 [ 34.659823] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.34964[ 34.665649] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 34.724303] CR2: ffffffffbf40ebe0 [ 34.727999] ---[ end trace e2cd4c44169b9e79 ]--- [ 34.733153] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.737529] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 34.758507] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 34.764338] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.772306] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 34.780273] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 34.788241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.796210] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 34.804178] FS: 00007faa458fb580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 34.813214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.819628] CR2: ffffffffbf40ebe0 CR3: 0000000105c58001 CR4: 00000000003706e0 [ 34.827596] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.837507] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1540, name: cat [ 34.845961] INFO: lockdep is turned off. [ 34.850335] irq event stamp: 0 [ 34.853748] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.860749] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 34.869882] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 34.879015] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.886011] CPU: 3 PID: 1540 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 34.894660] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.901461] Call Trace: [ 34.904187] dump_stack+0x77/0x9b [ 34.907884] ___might_sleep.cold+0xa6/0xb6 [ 34.912457] exit_signals+0x1c/0x300 [ 34.916444] do_exit+0xc2/0xab0 [ 34.919946] ? ksys_write+0x68/0xf0 [ 34.923837] make_task_dead+0x2f/0x30 [ 34.927915] rewind_stack_and_make_dead+0x17/0x20 [ 34.933163] RIP: 0033:0x7faa45811473 [ 34.937149] 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 [ 34.958130] RSP: 002b:00007ffd339fc6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.966576] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faa45811473 [ 34.974544] RDX: 000000000000000a RSI: 00007faa45705000 RDI: 0000000000000001 [ 34.982513] RBP: 00007faa45705000 R08: 00007faa45704010 R09: 0000000000000000 [ 34.990481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.998450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4] RIP: 0010:native_write_cr4+0x45/0x60 # [ 32.361037] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 73 33 46 02 00 75 f2 48 c7 c7 30 75 8f bd c6 05 63 33 46 02 01 e8 a2 30 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 32.388248] RSP: 0018:ffffb25141957e48 EFLAGS: 00010286 # [ 32.400288] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 32.414520] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 32.428714] RBP: ffffffffbd9f8fa5 R08: 0000000000000000 R09: 0000000000000000 # [ 32.442932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 32.457110] R13: ffffb25141957f10 R14: ffffb25141957f10 R15: ffff9dcb05f90000 # [ 32.471301] FS: 00007f64a75ab580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 32.486599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.499222] CR2: 00007f64a73b5000 CR3: 00000001032fa003 CR4: 00000000003706f0 # [ 32.513440] Call Trace: # [ 32.522424] ? __warn+0x80/0x110 # [ 32.532208] ? native_write_cr4+0x45/0x60 # [ 32.542932] ? report_bug+0x9e/0xc0 # [ 32.553004] ? handle_bug+0x41/0x90 # [ 32.563133] ? exc_invalid_op+0x14/0x70 # [ 32.573611] ? asm_exc_invalid_op+0x12/0x20 # [ 32.584536] ? native_write_cr4+0x45/0x60 # [ 32.59[ 35.131649] lkdtm: Performing direct entry EXEC_STACK 5191] ? native_write_cr4+0x45/0x60 # [ 32.605896] lkdtm_UNS[ 35.142634] lkdtm: attempting ok execution at ffffffffbc5799b0 ET_SMEP.cold+0x1d/0x103 # [ 32.616975] direct_entry.cold+0x2[ 35.155362] lkdtm: attempting bad execution at ffffb25142187e18 c/0x38 # [ 32.627597] full_proxy_write+0x53/0x80 # [ 32.6[ 35.168206] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 35.182756] BUG: unable to handle page fault for address: ffffb25142187e18 [ 35.190435] #PF: supervisor instruction fetch in kernel mode [ 35.196753] #PF: error_code(0x0011) - permissions violation 38[070] vfs_write+0xe7/0x3b0 # [ 32.647995] ksys_write+0x68/ 35.202973] PGD 100000067 P4D 100000067 PUD 100231067 PMD 104378067 PTE 8000000102740063 [ 35.218232] Oops: 0011 [#6] SMP PTI [ 35.222122] CPU: 1 PID: 1576 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 35.230769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.237573] RIP: 0010:0xffffb25142187e18 [ 35.241942] Code: 00 00 18 7e 18 42 51 b2 ff ff a4 d6 c0 bc ff ff ff ff 20 00 00 00 00 00 00 00 ce 90 9f bd ff ff ff ff d3 d7 c0 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 [ 35.262915] RSP: 0018:ffffb25142187df8 EFLAGS: 00010246 [ 35.268748] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.276717] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 [ 35.284696] RBP: ffffb25142187e18 R08: 0000000000000000 R09: 0000000000000000 [ 35.292664] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 35.300632] R13: ffffb25142187f10 R14: ffffb25142187f10 R15: ffff9dcb03f56000 [ 35.308601] FS: 00007fa0df72d580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 35.317637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.324052] CR2: ffffb25142187e18 CR3: 0000000103bb6001 CR4: 00000000003706e0 [ 35.332021] Call Trace: [ 35.334754] ? __die_body.cold+0x1a/0x1f 0xf0 # [ 32.657905] do_syscall_64+0x30/0x40 # [ 32.668127[ 35.339133] ? no_context+0x177/0x380 [ 35.349432] ? exc_page_fault+0xd7/0x170 ] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.679984] RI[ 35.353810] ? asm_exc_page_fault+0x1e/0x30 P: 0033:0x7f64a74c1473 # [ 32.690193] Code: 8b 15 21 2a 0e 00[ 35.364705] ? execute_location+0x45/0x56 [ 35.375393] ? lkdtm_EXEC_STACK+0x26/0x44 [ 35.379860] ? direct_entry.cold+0x2c/0x38 [ 35.384433] ? full_proxy_write+0x53/0x80 [ 35.388908] ? vfs_write+0xe7/0x3b0 [ 35.392790] ? ksys_write+0x68/0xf0 [ 35.396690] ? do_syscall_64+0x30/0x40 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 35.400878] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff[ 35.412925] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 35.471585] CR2: ffffb25142187e18 [ 35.475281] ---[ end trace e2cd4c44169b9e7a ]--- [ 35.480435] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.484813] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 35.505781] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 35.511613] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.519582] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 35.527548] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 35.535517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.543484] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 35.551451] FS: 00007fa0df72d580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 35.560486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.566899] CR2: ffffb25142187e18 CR3: 0000000103bb6001 CR4: 00000000003706e0 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.717393] RSP: 002b:00007ffe8522a7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.732079] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f64a74c1473 # [ 32.746258] RDX: 000000000000000b RSI: 00007f64a73b5000 RDI: 0000000000000001 # [ 32.760486] RBP: 00007f64a73b5000 R08: 00007f64a73b4010 R09: 0000000000000000 # [ 32.774643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.788837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.803033] irq event stamp: 0 # [ 32.812670] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.825876] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 32.841238] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 32.856582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.869809] ---[ end trace e2cd4c44169b9e78 ]--- # [ 32.881170] lkdtm: ok: SMEP did not get cleared # [ 32.892452] lkdtm: trying to clear SMEP with call gadget # [ 32.904614] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_F[ 35.694512] lkdtm: Performing direct entry EXEC_KMALLOC [ 35.705018] lkdtm: attempting ok execution at ffffffffbc5799b0 [ 35.711563] lkdtm: attempting bad execution at ffff9dcb05d3a300 [ 35.718197] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) AULT.sh # [ 33.010088] lkdtm: Performing direct entry DOUBLE_[ 35.726563] BUG: unable to handle page fault for address: ffff9dcb05d3a300 [ 35.740457] #PF: supervisor instruction fetch in kernel mode FAULT # [ 33.021282] lkdtm: XFAIL: this test is ia32-only # [ 35.746776] #PF: error_code(0x0011) - permissions violation DO[UBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBL 35.759210] PGD 1e801067 P4D 1e801067 PUD 100870063 PMD 105b18063 PTE 8000000105d3a063 [ 35.774270] Oops: 0011 [#7] SMP PTI [ 35.778159] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 35.786806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.793611] RIP: 0010:0xffff9dcb05d3a300 [ 35.797987] Code: 00 00 02 00 00 00 00 00 00 00 00 a2 d3 05 cb 9d ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af bb 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 [ 35.818967] RSP: 0018:ffffb2514220fe38 EFLAGS: 00010246 [ 35.824800] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.832768] RDX: 0000000000000000 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 35.840749] RBP: ffff9dcb05d3a300 R08: 0000000000000000 R09: 0000000000000000 [ 35.848716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 35.856698] R13: ffffb2514220ff10 R14: ffffb2514220ff10 R15: ffff9dcb05af2000 [ 35.864667] FS: 00007f2c05aee580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 35.873704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.880110] CR2: ffff9dcb05d3a300 CR3: 0000000103c3a002 CR4: 00000000003706e0 [ 35.888068] Call Trace: [ 35.890797] ? __die_body.cold+0x1a/0x1f [ 35.895176] ? no_context+0x177/0x380 [ 35.899263] ? exc_page_fault+0xd7/0x170 [ 35.903640] ? asm_exc_page_fault+0x1e/0x30 [ 35.908312] ? execute_location+0x45/0x56 [ 35.912787] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 35.917454] ? direct_entry.cold+0x2c/0x38 [ 35.922026] ? full_proxy_write+0x53/0x80 [ 35.926500] ? vfs_write+0xe7/0x3b0 [ 35.930390] ? ksys_write+0x68/0xf0 [ 35.934282] ? do_syscall_64+0x30/0x40 [ 35.938464] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 E_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 33.[ 35.944291] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 36.002978] CR2: ffff9dcb05d3a300 [ 36.006698] ---[ end trace e2cd4c44169b9e7b ]--- [ 36.011850] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.016226] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 36.037192] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 36.043024] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.050991] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 36.058959] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 36.066925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.074893] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 36.082860] FS: 00007f2c05aee580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 36.091895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.098308] CR2: ffff9dcb05d3a300 CR3: 0000000103c3a002 CR4: 00000000003706e0 [ 36.106274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.116184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat [ 36.124635] INFO: lockdep is turned off. [ 36.129008] irq event stamp: 0 [ 36.132414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.139401] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 36.148534] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 36.157666] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.164662] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 36.173307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.180108] Call Trace: [ 36.182834] dump_stack+0x77/0x9b [ 36.186532] ___might_sleep.cold+0xa6/0xb6 [ 36.191103] exit_signals+0x1c/0x300 [ 36.195090] do_exit+0xc2/0xab0 [ 36.198592] ? ksys_write+0x68/0xf0 [ 36.202475] make_task_dead+0x2f/0x30 [ 36.206561] rewind_stack_and_make_dead+0x17/0x20 [ 36.211809] RIP: 0033:0x7f2c05a04473 [ 36.215796] 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 [ 36.236773] RSP: 002b:00007fff855328b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.245225] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2c05a04473 [ 36.253194] RDX: 000000000000000d RSI: 00007f2c058f8000 RDI: 0000000000000001 [ 36.261162] RBP: 00007f2c058f8000 R08: 00007f2c058f7010 R09: 0000000000000000 [ 36.269128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.277095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 157239] lkdtm: Performing direct entry CORRUPT_PAC # [ 33.168894] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 33.294639] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 33.305721] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 33.522421] lkdtm: Performing direct entry READ_AFTER_FREE # [ 33.530844] lkdtm: Value in memory before free: 12345678 # [ 33.543004] lkdtm: Attempting bad read from freed memory # [ 33.555141] 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: [ 36.415302] lkdtm: Performing direct entry EXEC_VMALLOC WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY[ 36.421601] lkdtm: attempting ok execution at ffffffffbc5799b0 _AFTER_FREE.sh # [ 33.689035] lkdtm: Performing direct entry [ 36.434365] lkdtm: attempting bad execution at ffffb2514038b000 READ_BUDDY_AFTER_FREE # [ 33.696981] lkdtm: Value in memory b[ 36.447161] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.461709] BUG: unable to handle page fault for address: ffffb2514038b000 [ 36.469377] #PF: supervisor instruction fetch in kernel mode [ 36.475693] #PF: error_code(0x0011) - permissions violation [ 36.481913] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009bf067 PTE 80000001044ff063 [ 36.490949] Oops: 0011 [#8] SMP PTI [ 36.494840] CPU: 0 PID: 1648 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 36.503478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.510282] RIP: 0010:0xffffb2514038b000 [ 36.514649] Code: Unable to access opcode bytes at RIP 0xffffb2514038afd6. [ 36.522324] RSP: 0018:ffffb2514228fe38 EFLAGS: 00010246 [ 36.528156] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.536123] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 [ 36.544090] RBP: ffffb2514038b000 R08: 0000000000000000 R09: 0000000000000000 [ 36.552058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 36.560026] R13: ffffb2514228ff10 R14: ffffb2514228ff10 R15: ffff9dcb044ff000 [ 36.567992] FS: 00007f586dfdc580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 36.577028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.583442] CR2: ffffb2514038afd6 CR3: 0000000103f3a005 CR4: 00000000003706f0 [ 36.591410] Call Trace: [ 36.594132] ? __die_body.cold+0x1a/0x1f [ 36.598516] ? no_context+0x177/0x380 [ 36.602608] ? exc_page_fault+0xd7/0x170 [ 36.606991] ? asm_exc_page_fault+0x1e/0x30 [ 36.611663] ? execute_location+0x45/0x56 [ 36.616142] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 36.620810] ? direct_entry.cold+0x2c/0x38 [ 36.625374] ? full_proxy_write+0x53/0x80 [ 36.629854] ? vfs_write+0xe7/0x3b0 [ 36.633744] ? ksys_write+0x68/0xf0 [ 36.637635] ? do_syscall_64+0x30/0x40 [ 36.641816] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.647651] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 36.700113] CR2: ffffb2514038b000 [ 36.703801] ---[ end trace e2cd4c44169b9e7c ]--- [ 36.708955] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.713330] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 36.734309] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 36.740142] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.748110] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 36.756077] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 36.764046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.772016] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 36.779985] FS: 00007f586dfdc580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 36.789021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.795435] CR2: ffffb2514038afd6 CR3: 0000000103f3a005 CR4: 00000000003706f0 efore free: 12345678 # [ 33.709134] lkdtm: Attempting to read from freed memory # [ 33.721161] 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 # [ 33.836103] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 33.844207] 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 # [ 33.967353] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 33.973903] 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 # [ 34.110015] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 34.116410] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 34.437303] lkdtm: Performing direct entry EXEC_DATA # [ 34.444842] lkdtm: attempting ok execution at ffffffffbc5799b0 # [ 34.451370] lkdtm: attempting bad execution at ffffffffbf40ebe0 # [ 34.464195] kernel tried to execute NX-protected page [ 36.979308] lkdtm: Performing direct entry EXEC_RODATA - exploit attempt? (uid: 0) # [ 34.472557] BUG: unable to han[ 36.989422] lkdtm: attempting ok execution at ffffffffbc5799b0 dle page fault for address: ffffffffbf40ebe0 # [ 34.480235] #[ 37.002155] lkdtm: attempting bad execution at ffffffffbd57ed20 PF: supervisor instruction fetch in kernel mode # [ 34.486554[ 37.014976] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.029543] BUG: unable to handle page fault for address: ffffffffbd57ed20 [ 37.037221] #PF: supervisor instruction fetch in kernel mode [ 37.043532] #PF: error_code(0x0011) - permissions violation ] [#PF: error_code(0x0011) - permissions violation # [ 34.4927 37.049753] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001c6000e1 [ 37.063456] Oops: 0011 [#9] SMP PTI [ 37.067339] CPU: 1 PID: 1684 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 37.075988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.082795] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 73] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001e6000e3 [ 37.088532] Code: ff ff 43 ec c0 bc ff ff ff ff 1a 93 9f bd ff ff ff ff 89 d3 c0 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 [ 37.115739] RSP: 0018:ffffb25142327e48 EFLAGS: 00010246 [ 37.121576] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 37.129545] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 [ 37.137511] RBP: ffffffffbd57ed20 R08: 0000000000000000 R09: 0000000000000000 [ 37.145481] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 37.153448] R13: ffffb25142327f10 R14: ffffb25142327f10 R15: ffff9dcb059cd000 [ 37.161418] FS: 00007f992f423580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 37.170445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.176861] CR2: ffffffffbd57ed20 CR3: 00000001026c8005 CR4: 00000000003706e0 [ 37.184828] Call Trace: [ 37.187558] ? __die_body.cold+0x1a/0x1f # [ 34.500259] Oops: 0011 [#5] SMP PTI # [ 34.504151] CPU[ 37.191938] ? no_context+0x177/0x380 [ 37.202236] ? exc_page_fault+0xd7/0x170 : 3 PID: 1540 Comm: cat Tainted: G D W 5.10.184-cip[ 37.206616] ? asm_exc_page_fault+0x1e/0x30 36 #1 # [ 34.512790] Hardware name: Google Rammus/Rammus, BIO[ 37.217500] ? execute_location+0x45/0x56 [ 37.228188] ? direct_entry.cold+0x2c/0x38 [ 37.232759] ? full_proxy_write+0x53/0x80 [ 37.237235] ? vfs_write+0xe7/0x3b0 [ 37.241126] ? ksys_write+0x68/0xf0 [ 37.245019] ? do_syscall_64+0x30/0x40 [ 37.249203] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 S 09/04/2020 # [ 34.519594] RIP: 0010:data_area+0x0/0x40 # [ 37.255038] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 37.313701] CR2: ffffffffbd57ed20 [ 37.317398] ---[ end trace e2cd4c44169b9e7d ]--- [ 37.322554] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.326931] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 37.347912] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 37.353754] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.361723] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 37.369713] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 37.377696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.385664] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 37.393632] FS: 00007f992f423580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 37.402668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.409107] CR2: ffffffffbd57ed20 CR3: 00000001026c8005 CR4: 00000000003706e0 [ 37.417074] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.426983] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1684, name: cat [ 37.435438] INFO: lockdep is turned off. [ 37.439813] irq event stamp: 0 [ 37.443218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.450208] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 37.459335] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 37.468461] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.475459] CPU: 1 PID: 1684 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 37.484107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.490910] Call Trace: [ 37.493637] dump_stack+0x77/0x9b [ 37.497335] ___might_sleep.cold+0xa6/0xb6 [ 37.501897] exit_signals+0x1c/0x300 [ 37.505886] do_exit+0xc2/0xab0 [ 37.509389] ? ksys_write+0x68/0xf0 [ 37.513282] make_task_dead+0x2f/0x30 [ 37.517367] rewind_stack_and_make_dead+0x17/0x20 [ 37.522607] RIP: 0033:0x7f992f339473 [ 37.526595] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.547568] RSP: 002b:00007ffeb203fa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.556023] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f992f339473 [ 37.563993] RDX: 000000000000000c RSI: 00007f992f22d000 RDI: 0000000000000001 [ 37.571961] RBP: 00007f992f22d000 R08: 00007f992f22c010 R09: 0000000000000000 [ 37.579929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.587898] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.523970] Code: ff ff 00 ba a5 04 cb 9d ff ff 00 b9 a5 04 cb 9d 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 # [ 34.544949] RSP: 0018:ffffb25142107e48 EFLAGS: 00010246 # [ 34.550781] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.558748] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 34.566714] RBP: ffffffffbf40ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 34.574703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.582672] R13: ffffb25142107f10 R14: ffffb25142107f10 R15: ffff9dcb0432f000 # [ 34.590665] FS: 00007faa458fb580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 34.599702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.606115] CR2: ffffffffbf40ebe0 CR3: 0000000105c58001 CR4: 00000000003706e0 # [ 34.614083] Call Trace: # [ 34.616811] ? __die_body.cold+0x1a/0x1f # [ 34.621189] ? no_context+0x177/0x380 # [ 34.625277] ? exc_page_fault+0xd7/0x170 # [ 34.629655] ? asm_exc_page_fault+0x1e/0x30 # [ 34.634327] ? execute_location+0x45/0x56 # [ 34.638800] ? direct_entry.cold+0x2c/0x38 # [ 34.643372] ? full_proxy_write+0x53/0x80 # [ 34.647847] ? vfs_write+0xe7/0x3b0 # [ 34.651750] ? ksys_write+0x68/0xf0 # [ 34.655642][ 37.726850] lkdtm: Performing direct entry EXEC_USERSPACE ? do_syscall_64+0x30/0x40 # [ 34.659823] ? entry_SYSCALL_6[ 37.738867] lkdtm: attempting ok execution at ffffffffbc5799b0 4_after_hwframe+0x61/0xc6 # [ 34.665649] Modules linked in: f[ 37.751612] lkdtm: attempting bad execution at 00007f7d69473000 use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_[ 37.764441] unable to execute userspace code (SMEP?) (uid: 0) [ 37.777023] BUG: unable to handle page fault for address: 00007f7d69473000 [ 37.784701] #PF: supervisor instruction fetch in kernel mode [ 37.791019] #PF: error_code(0x0011) - permissions violation [ 37.797242] PGD 8000000103d30067 P4D 8000000103d30067 PUD 104613067 PMD 104465067 PTE 10adb8067 [ 37.806970] Oops: 0011 [#10] SMP PTI [ 37.810950] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 37.819600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.826405] RIP: 0010:0x7f7d69473000 [ 37.830391] Code: Unable to access opcode bytes at RIP 0x7f7d69472fd6. [ 37.837700] RSP: 0018:ffffb251423afe50 EFLAGS: 00010246 [ 37.843533] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 37.851503] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 [ 37.859472] RBP: 00007f7d69473000 R08: 0000000000000000 R09: 0000000000000000 [ 37.867441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 37.875412] R13: ffffb251423aff10 R14: ffffb251423aff10 R15: ffff9dcb04a0b000 [ 37.883382] FS: 00007f7d69444580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 37.892419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.898834] CR2: 00007f7d69473000 CR3: 0000000105c58005 CR4: 00000000003706f0 [ 37.906804] Call Trace: [ 37.909532] ? __die_body.cold+0x1a/0x1f [ 37.913916] ? no_context+0x177/0x380 [ 37.918004] ? exc_page_fault+0x53/0x170 [ 37.922387] ? asm_exc_page_fault+0x1e/0x30 [ 37.927052] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 37.932406] ? direct_entry.cold+0x2c/0x38 [ 37.936971] ? full_proxy_write+0x53/0x80 [ 37.941446] ? vfs_write+0xe7/0x3b0 [ 37.945338] ? ksys_write+0x68/0xf0 [ 37.949223] ? do_syscall_64+0x30/0x40 [ 37.953396] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.959234] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 38.011721] CR2: 00007f7d69473000 [ 38.015419] ---[ end trace e2cd4c44169b9e7e ]--- [ 38.020575] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.024952] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 38.045938] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 38.051772] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.059755] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 38.067726] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 38.075698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.083670] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 38.091640] FS: 00007f7d69444580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 38.100697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.107114] CR2: 00007f7d69473000 CR3: 0000000105c58005 CR4: 00000000003706f0 core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.724303] CR2: ffffffffbf40ebe0 # [ 34.727999] ---[ end trace e2cd4c44169b9e79 ]--- # [ 34.733153] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.737529] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 34.758507] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 34.764338] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.772306] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 34.780273] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 34.788241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.796210] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 34.804178] FS: 00007faa458fb580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 34.813214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.819628] CR2: ffffffffbf40ebe0 CR3: 0000000105c58001 CR4: 00000000003706e0 # [ 34.827596] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.837507] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1540, name: cat # [ [ 38.278856] lkdtm: Performing direct entry EXEC_NULL [ 38.288475] lkdtm: attempting ok execution at ffffffffbc5799b0 [ 38.294995] lkdtm: attempting bad execution at 0000000000000000 [ 38.301610] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 38.309389] #PF: supervisor instruction fetch in kernel mode [ 38.315709] #PF: error_code(0x0010) - not-present page [ 38.321443] PGD 0 P4D 0 34.845961] INFO: lockdep is turned off. # [ 34.850335] irq e[ 38.324268] Oops: 0010 [#11] SMP PTI [ 38.334467] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 38.343115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.349920] RIP: 0010:0x0 [ 38.352840] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 38.360507] RSP: 0018:ffffb2514241fe48 EFLAGS: 00010246 [ 38.366340] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.374307] RDX: 0000000000000000 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 38.382275] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.390243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 38.398212] R13: ffffb2514241ff10 R14: ffffb2514241ff10 R15: ffff9dcb05c1e000 [ 38.406181] FS: 00007f045e56a580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 38.415210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.421617] CR2: ffffffffffffffd6 CR3: 000000010353e005 CR4: 00000000003706e0 [ 38.429583] Call Trace: [ 38.432312] ? __die_body.cold+0x1a/0x1f [ 38.436702] ? no_context+0x177/0x380 [ 38.440789] ? exc_page_fault+0x53/0x170 [ 38.445167] ? asm_exc_page_fault+0x1e/0x30 [ 38.449839] execute_location+0x45/0x56 [ 38.454120] direct_entry.cold+0x2c/0x38 [ 38.458488] full_proxy_write+0x53/0x80 [ 38.462768] vfs_write+0xe7/0x3b0 [ 38.466456] ksys_write+0x68/0xf0 [ 38.470154] do_syscall_64+0x30/0x40 [ 38.474142] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.479782] RIP: 0033:0x7f045e480473 [ 38.483761] 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 [ 38.504746] RSP: 002b:00007ffe63c8ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.513200] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f045e480473 [ 38.521168] RDX: 000000000000000a RSI: 00007f045e374000 RDI: 0000000000000001 [ 38.529133] RBP: 00007f045e374000 R08: 00007f045e373010 R09: 0000000000000000 [ 38.537099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.545066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 vent stamp: 0 # [ 34.853748] hardirqs last enabled at (0): [[ 38.553037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 38.611725] CR2: 0000000000000000 [ 38.615422] ---[ end trace e2cd4c44169b9e7f ]--- [ 38.620567] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.624942] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 38.645920] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 38.651753] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.659721] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 38.667696] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 38.675666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.683633] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 38.691602] FS: 00007f045e56a580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 38.700638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.707054] CR2: ffffffffffffffd6 CR3: 000000010353e005 CR4: 00000000003706e0 [ 38.715023] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.724934] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat [ 38.733379] INFO: lockdep is turned off. [ 38.737754] irq event stamp: 0 [ 38.741160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.748149] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 38.757283] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 38.766417] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.773414] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 38.782062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.788864] Call Trace: [ 38.791590] dump_stack+0x77/0x9b [ 38.795287] ___might_sleep.cold+0xa6/0xb6 [ 38.799858] exit_signals+0x1c/0x300 [ 38.803837] do_exit+0xc2/0xab0 [ 38.807340] ? ksys_write+0x68/0xf0 [ 38.811232] make_task_dead+0x2f/0x30 [ 38.815318] rewind_stack_and_make_dead+0x17/0x20 [ 38.820559] RIP: 0033:0x7f045e480473 [ 38.824536] 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 [ 38.845515] RSP: 002b:00007ffe63c8ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.853960] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f045e480473 [ 38.861929] RDX: 000000000000000a RSI: 00007f045e374000 RDI: 0000000000000001 [ 38.869896] RBP: 00007f045e374000 R08: 00007f045e373010 R09: 0000000000000000 [ 38.877864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.885832] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <0000000000000000>] 0x0 # [ 34.860749] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 34.869882] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 34.879015] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.886011] CPU: 3 PID: 1540 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 34.894660] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.901461] Call Trace: # [ 34.904187] dump_stack+0x77/0x9b # [ 34.907884] ___might_sleep.cold+0xa6/0xb6 # [ 34.912457] exit_signals+0x1c/0x300 # [ 34.916444] do_exit+0xc2/0xab0 # [ 34.919946] ? ksys_write+0x68/0xf0 # [ 34.923837] make_task_dead+0x2f/0x30 # [ 34.927915] rewind_stack_and_make_dead+0x17/0x20 # [ 34.933163] RIP: 0033:0x7faa45811473 # [ 34.937149] 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 # [ 34.958130] RSP: 002b:00007ffd339fc6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.966576] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000[ 39.008491] lkdtm: Performing direct entry ACCESS_USERSPACE [ 39.018161] lkdtm: attempting bad read at 00007f3c4f3d3000 7faa45811473 # [ 34.974544] RDX: 000000000000000a RSI: 00007f[ 39.024317] BUG: unable to handle page fault for address: 00007f3c4f3d3000 [ 39.038195] #PF: supervisor read access in kernel mode [ 39.043933] #PF: error_code(0x0001) - permissions violation aa[45705000 RDI: 0000000000000001 # [ 34.982513] RBP: 00007faa 39.050155] PGD 800000010471c067 P4D 800000010471c067 PUD 1027c8067 PMD 103d67067 PTE 10b525067 [ 39.066094] Oops: 0001 [#12] SMP PTI [ 39.070085] CPU: 3 PID: 1791 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 39.078735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.085544] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 39.091767] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 a0 9f bd e8 9c d7 fb ff 48 c7 c7 60 a0 9f bd b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 83 d7 fb ff 48 89 ee 48 c7 c7 88 a0 9f [ 39.112754] RSP: 0018:ffffb251424bfe48 EFLAGS: 00010246 [ 39.118589] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 39.126557] RDX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd9fa060 [ 39.134526] RBP: 00007f3c4f3d3000 R08: 0000000000000000 R09: 0000000000000000 [ 39.142496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 39.150464] R13: ffffb251424bff10 R14: ffffb251424bff10 R15: ffff9dcb0446a000 [ 39.158433] FS: 00007f3c4f3a4580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 39.167470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.173886] CR2: 00007f3c4f3d3000 CR3: 0000000105d82006 CR4: 00000000003706e0 [ 39.181854] Call Trace: [ 39.184581] ? __die_body.cold+0x1a/0x1f [ 39.188958] ? no_context+0x177/0x380 [ 39.193037] ? exc_page_fault+0x53/0x170 [ 39.197414] ? asm_exc_page_fault+0x1e/0x30 [ 39.202084] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 39.207626] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 [ 39.213159] direct_entry.cold+0x2c/0x38 [ 39.217538] full_proxy_write+0x53/0x80 [ 39.221818] vfs_write+0xe7/0x3b0 [ 39.225516] ksys_write+0x68/0xf0 [ 39.229216] do_syscall_64+0x30/0x40 [ 39.233203] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.238843] RIP: 0033:0x7f3c4f2ba473 [ 39.242831] 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 [ 39.263815] RSP: 002b:00007ffded09b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.272271] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3c4f2ba473 [ 39.280240] RDX: 0000000000000011 RSI: 00007f3c4f1ae000 RDI: 0000000000000001 [ 39.288208] RBP: 00007f3c4f1ae000 R08: 00007f3c4f1ad010 R09: 0000000000000000 [ 39.296177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.304146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 45705000 R08: 00007faa45704010 R09: 0000000000000000 # [ 34.9[ 39.312117] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 39.370821] CR2: 00007f3c4f3d3000 [ 39.374519] ---[ end trace e2cd4c44169b9e80 ]--- [ 39.379692] RIP: 0010:lkdtm_BUG+0x5/0x10 90481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000[ 39.384078] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 39.411279] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 00000001 # [ 34.998450] R13: 0000000000000001 R14: 0000000000[ 39.417116] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.431302] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 39.439272] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok[ 39.447243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.461429] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 39.469398] FS: 00007f3c4f3a4580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC[ 39.478429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.491060] CR2: 00007f3c4f3d3000 CR3: 0000000105d82006 CR4: 00000000003706e0 _STACK.sh # Killed # [ 35.131649] lkdtm: Performing direct entry EXEC_STACK # [ 35.142634] lkdtm: attempting ok execution at ffffffffbc5799b0 # [ 35.155362] lkdtm: attempting bad execution at ffffb25142187e18 # [ 35.168206] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.182756] BUG: unable to handle page fault for address: ffffb25142187e18 # [ 35.190435] #PF: supervisor instruction fetch in kernel mode # [ 35.196753] #PF: error_code(0x0011) - permissions violation # [ 35.202973] PGD 100000067 P4D 100000067 PUD 100231067 PMD 104378067 PTE 8000000102740063 # [ 35.218232] Oops: 0011 [#6] SMP PTI # [ 35.222122] CPU: 1 PID: 1576 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 35.230769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.237573] RIP: 0010:0xffffb25142187e18 # [ 35.241942] Code: 00 00 18 7e 18 42 51 b2 ff ff a4 d6 c0 bc ff ff ff ff 20 00 00 00 00 00 00 00 ce 90 9f bd ff ff ff ff d3 d7 c0 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 # [ 35.262915] RSP: 0018:ffffb25142187df8 EFLAGS: 00010246 # [ 35.268748] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.276717] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 35.284696] RBP: ffffb25142187e18 R08: 0000000000000000 R09: 0000000000000000 # [ 3[ 39.633116] lkdtm: Performing direct entry ACCESS_NULL 5.292664] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 39.641530] lkdtm: attempting bad read at 0000000000000000 0000000000b # [ 35.300632] R13: ffffb25142187f10 R14: ffffb25[ 39.653868] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 39.667839] #PF: supervisor read access in kernel mode [ 39.673575] #PF: error_code(0x0000) - not-present page [ 39.679310] PGD 0 P4D 0 [ 39.682133] Oops: 0000 [#13] SMP PTI [ 39.686122] CPU: 0 PID: 1826 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 39.694769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.701576] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 39.706822] Code: 40 d7 fb ff be 00 10 00 00 48 89 ef e8 12 76 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 a0 9f bd e8 1a d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 a0 9f bd 48 01 [ 39.727790] RSP: 0018:ffffb2514254fe58 EFLAGS: 00010246 [ 39.733613] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 39.741580] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 [ 39.749546] RBP: ffffffffbd9f9129 R08: 0000000000000000 R09: 0000000000000000 [ 39.757513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 39.765480] R13: ffffb2514254ff10 R14: ffffb2514254ff10 R15: ffff9dcb032ba000 [ 39.773447] FS: 00007ff57d66d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 39.782483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.788898] CR2: 0000000000000000 CR3: 0000000103d36005 CR4: 00000000003706f0 [ 39.796866] Call Trace: [ 39.799595] ? __die_body.cold+0x1a/0x1f [ 39.803977] ? no_context+0x177/0x380 [ 39.808069] ? exc_page_fault+0x53/0x170 [ 39.812450] ? asm_exc_page_fault+0x1e/0x30 [ 39.817123] ? lkdtm_ACCESS_NULL+0x14/0x53 [ 39.821700] ? lkdtm_ACCESS_NULL+0x14/0x53 [ 39.826269] direct_entry.cold+0x2c/0x38 [ 39.830648] full_proxy_write+0x53/0x80 [ 39.834933] vfs_write+0xe7/0x3b0 [ 39.838636] ksys_write+0x68/0xf0 [ 39.842334] do_syscall_64+0x30/0x40 [ 39.846327] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.851964] RIP: 0033:0x7ff57d583473 [ 39.855951] 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 [ 39.876929] RSP: 002b:00007ffd743228d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.885372] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff57d583473 [ 39.893339] RDX: 000000000000000c RSI: 00007ff57d477000 RDI: 0000000000000001 [ 39.901306] RBP: 00007ff57d477000 R08: 00007ff57d476010 R09: 0000000000000000 [ 39.909274] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.917242] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 39.925214] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 39.977686] CR2: 0000000000000000 [ 39.981384] ---[ end trace e2cd4c44169b9e81 ]--- [ 39.986539] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.990914] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 40.011894] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 40.017725] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.025692] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 40.033658] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 40.041627] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.049593] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 40.057562] FS: 00007ff57d66d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 [ 40.066589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.073003] CR2: 0000000000000000 CR3: 0000000103d36005 CR4: 00000000003706f0 [ 40.080973] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.090882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1826, name: cat [ 40.099334] INFO: lockdep is turned off. [ 40.103709] irq event stamp: 0 [ 40.107114] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.114104] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 40.123227] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 40.132360] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.139357] CPU: 0 PID: 1826 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 40.148002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.154805] Call Trace: [ 40.157530] dump_stack+0x77/0x9b [ 40.161218] ___might_sleep.cold+0xa6/0xb6 [ 40.165782] exit_signals+0x1c/0x300 [ 40.169770] do_exit+0xc2/0xab0 [ 40.173264] ? ksys_write+0x68/0xf0 [ 40.177157] make_task_dead+0x2f/0x30 [ 40.181242] rewind_stack_and_make_dead+0x17/0x20 [ 40.186485] RIP: 0033:0x7ff57d583473 [ 40.190472] 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 [ 40.211453] RSP: 002b:00007ffd743228d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.219908] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff57d583473 [ 40.227878] RDX: 000000000000000c RSI: 00007ff57d477000 RDI: 0000000000000001 [ 40.235847] RBP: 00007ff57d477000 R08: 00007ff57d476010 R09: 0000000000000000 [ 40.243815] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.251783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 142187f10 R15: ffff9dcb03f56000 # [ 35.308601] FS: 00007fa0df72d580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 35.317637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.324052] CR2: ffffb25142187e18 CR3: 0000000103bb6001 CR4: 00000000003706e0 # [ 35.332021] Call Trace: # [ 35.334754] ? __die_body.cold+0x1a/0x1f # [ 35.339133] ? no_context+0x177/0x380 # [ 35.349432] ? exc_page_fault+0xd7/0x170 # [ 35.353810] ? asm_exc_page_fault+0x1e/0x30 # [ 35.364705] ? execute_location+0x45/0x56 # [ 35.375393] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 35.379860] ? direct_entry.cold+0x2c/0x38 # [ 35.384433] ? full_proxy_write+0x53/0x80 # [ 35.388908] ? vfs_write+0xe7/0x3b0 # [ 35.392790] ? ksys_write+0x68/0xf0 # [ 35.396690] ? do_syscall_64+0x30/0x40 # [ 35.400878] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.412925] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.471585] CR2: ffffb25142187e18 # [ 35.475281] ---[ end trace e2cd4c44169b9e7a ]--- # [ 35.480435] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.484813] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 35.505781] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 35.511613] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.519582] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 35.527548] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 35.535517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.543484] R13: ffffb2514132ff10 R14: ffffb2514132ff[ 40.476639] lkdtm: Performing direct entry WRITE_RO 10 R15: ffff9dcb0431f000 # [ 35.551451] FS: 00007fa0df72d580[ 40.482747] lkdtm: attempting bad rodata write at ffffffffbd57ed10 (0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 3[ 40.495874] BUG: unable to handle page fault for address: ffffffffbd57ed10 [ 40.509761] #PF: supervisor write access in kernel mode [ 40.515594] #PF: error_code(0x0003) - permissions violation [ 40.521814] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 800000001c6000e1 [ 40.529303] Oops: 0003 [#14] SMP PTI [ 40.533293] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 40.541943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.548757] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 5.560486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 40.553720] Code: 00 48 c7 c7 18 9f 9f bd 48 c7 c6 10 ed 57 bd e8 c4 d9 fb ff 48 8b 05 3c 16 97 00 ba 34 12 cd ab 48 c7 c7 48 9f 9f bd 48 31 d0 <48> 89 05 26 16 97 00 e9 a2 d9 fb ff 0f 1f 44 00 00 48 8b 05 35 0c [ 40.580919] RSP: 0018:ffffb2514249fe60 EFLAGS: 00010202 [ 40.586746] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 40.594708] RDX: 00000000abcd1234 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd9f9f48 [ 40.602698] RBP: ffffffffbd9f9135 R08: 0000000000000000 R09: 0000000000000000 [ 40.610669] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 40.618638] R13: ffffb2514249ff10 R14: ffffb2514249ff10 R15: ffff9dcb04470000 [ 40.626607] FS: 00007f2d3e778580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 40.635646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.642063] CR2: ffffffffbd57ed10 CR3: 0000000103d5a006 CR4: 00000000003706e0 [ 40.650032] Call Trace: [ 40.652759] ? __die_body.cold+0x1a/0x1f 35.566899] CR2: ffffb25142187e18 CR3: 0000000103bb6001 CR4: 0[ 40.657140] ? no_context+0x177/0x380 [ 40.667439] ? exc_page_fault+0xd7/0x170 0000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 self[ 40.671818] ? asm_exc_page_fault+0x1e/0x30 te[sts: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh 40.682705] ? lkdtm_WRITE_RO+0x2e/0x3a [ 40.693202] direct_entry.cold+0x2c/0x38 [ 40.697581] full_proxy_write+0x53/0x80 # Killed # [ 35.694512] lkdtm: Performing direct entry EXEC[ 40.701865] vfs_write+0xe7/0x3b0 [ 40.711774] ksys_write+0x68/0xf0 [ 40.715473] do_syscall_64+0x30/0x40 [ 40.719462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.725103] RIP: 0033:0x7f2d3e68e473 [ 40.729081] 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 [ 40.750066] RSP: 002b:00007ffc8506a9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.758523] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f2d3e68e473 [ 40.766492] RDX: 0000000000000009 RSI: 00007f2d3e582000 RDI: 0000000000000001 [ 40.774461] RBP: 00007f2d3e582000 R08: 00007f2d3e581010 R09: 0000000000000000 [ 40.782431] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.790400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _KMALLOC # [ 35.705018] lkdtm: attempting ok execution at fff[ 40.798373] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 40.857040] CR2: ffffffffbd57ed10 [ 40.860750] ---[ end trace e2cd4c44169b9e82 ]--- [ 40.865906] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.870283] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 40.891268] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 40.897092] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.905061] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 40.913030] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 40.921000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.928968] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 40.936938] FS: 00007f2d3e778580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 40.945977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.952392] CR2: ffffffffbd57ed10 CR3: 0000000103d5a006 CR4: 00000000003706e0 fffffbc5799b0 # [ 35.711563] lkdtm: attempting bad execution at ffff9dcb05d3a300 # [ 35.718197] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.726563] BUG: unable to handle page fault for address: ffff9dcb05d3a300 # [ 35.740457] #PF: supervisor instruction fetch in kernel mode # [ 35.746776] #PF: error_code(0x0011) - permissions violation # [ 35.759210] PGD 1e801067 P4D 1e801067 PUD 100870063 PMD 105b18063 PTE 8000000105d3a063 # [ 35.774270] Oops: 0011 [#7] SMP PTI # [ 35.778159] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 35.786806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.793611] RIP: 0010:0xffff9dcb05d3a300 # [ 35.797987] Code: 00 00 02 00 00 00 00 00 00 00 00 a2 d3 05 cb 9d ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af bb 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 # [ 35.818967] RSP: 0018:ffffb2514220fe38 EFLAGS: 00010246 # [ 35.824800] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.832768] RDX: 0000000000000000 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 35.840749] RBP: ffff9dcb05d3a300 R08: 0000000000000000 R09: 0000000000000000 # [ 35.848716][ 41.081337] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 41.091222] lkdtm: attempting bad ro_after_init write at ffffffffbda7e330 [ 41.098861] BUG: unable to handle page fault for address: ffffffffbda7e330 [ 41.106551] #PF: supervisor write access in kernel mode R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 41.112386] #PF: error_code(0x0003) - permissions violation 0d # [ 35.856698] R13: ffffb2514220ff10 R14: ffffb2514220ff10[ 41.124817] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 105957063 PTE 800000001cc7e061 [ 41.139781] Oops: 0003 [#15] SMP PTI [ 41.143771] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 41.152419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.159226] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 41.165252] Code: 9f 9f bd e9 76 d9 fb ff 48 c7 c7 a0 9f 9f bd e8 6a d9 fb ff 48 8b 05 02 0c e7 00 ba 34 12 cd ab 48 c7 c7 48 9f 9f bd 48 31 d0 <48> 89 05 ec 0b e7 00 e9 48 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 41.186230] RSP: 0018:ffffb25142677e60 EFLAGS: 00010202 [ 41.192062] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 41.200029] RDX: 00000000abcd1234 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd9f9f48 [ 41.207998] RBP: ffffffffbd9f913e R08: 0000000000000000 R09: 0000000000000000 [ 41.215964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 41.223933] R13: ffffb25142677f10 R14: ffffb25142677f10 R15: ffff9dcb03c6f000 [ 41.231902] FS: 00007f7458175580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 41.240938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.247353] CR2: ffffffffbda7e330 CR3: 00000001026c8003 CR4: 00000000003706e0 [ 41.255319] Call Trace: [ 41.258048] ? __die_body.cold+0x1a/0x1f [ 41.262426] ? no_context+0x177/0x380 [ 41.266503] ? exc_page_fault+0xd7/0x170 [ 41.270880] ? asm_exc_page_fault+0x1e/0x30 [ 41.275552] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 41.280899] direct_entry.cold+0x2c/0x38 [ 41.285267] full_proxy_write+0x53/0x80 [ 41.289547] vfs_write+0xe7/0x3b0 [ 41.293243] ksys_write+0x68/0xf0 [ 41.296940] do_syscall_64+0x30/0x40 [ 41.300918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.306556] RIP: 0033:0x7f745808b473 [ 41.310534] 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 [ 41.331511] RSP: 002b:00007ffe5d7e8288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.339955] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f745808b473 [ 41.347922] RDX: 0000000000000014 RSI: 00007f7457f7f000 RDI: 0000000000000001 [ 41.355890] RBP: 00007f7457f7f000 R08: 00007f7457f7e010 R09: 0000000000000000 [ 41.363856] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.371824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R15: ffff9dcb05af2000 # [ 35.864667] FS: 00007f2c05aee580(0[ 41.379794] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 41.438481] CR2: ffffffffbda7e330 [ 41.442178] ---[ end trace e2cd4c44169b9e83 ]--- [ 41.447323] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.451699] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 41.472696] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 41.478528] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.486497] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 41.494465] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 41.502432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.510399] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 41.518367] FS: 00007f7458175580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 41.527393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.533806] CR2: ffffffffbda7e330 CR3: 00000001026c8003 CR4: 00000000003706e0 [ 41.541773] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.551698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat [ 41.560149] INFO: lockdep is turned off. [ 41.564524] irq event stamp: 0 [ 41.567930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.574918] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 41.584051] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 41.593184] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.600182] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 41.608830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.615631] Call Trace: [ 41.618358] dump_stack+0x77/0x9b [ 41.622056] ___might_sleep.cold+0xa6/0xb6 [ 41.626628] exit_signals+0x1c/0x300 [ 41.630616] do_exit+0xc2/0xab0 [ 41.634118] ? ksys_write+0x68/0xf0 [ 41.638009] make_task_dead+0x2f/0x30 [ 41.642096] rewind_stack_and_make_dead+0x17/0x20 [ 41.647346] RIP: 0033:0x7f745808b473 [ 41.651334] 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 [ 41.672317] RSP: 002b:00007ffe5d7e8288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.680771] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f745808b473 [ 41.688749] RDX: 0000000000000014 RSI: 00007f7457f7f000 RDI: 0000000000000001 [ 41.696719] RBP: 00007f7457f7f000 R08: 00007f7457f7e010 R09: 0000000000000000 [ 41.704699] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.712668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 35.873704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.880110] CR2: ffff9dcb05d3a300 CR3: 0000000103c3a002 CR4: 00000000003706e0 # [ 35.888068] Call Trace: # [ 35.890797] ? __die_body.cold+0x1a/0x1f # [ 35.895176] ? no_context+0x177/0x380 # [ 35.899263] ? exc_page_fault+0xd7/0x170 # [ 35.903640] ? asm_exc_page_fault+0x1e/0x30 # [ 35.908312] ? execute_location+0x45/0x56 # [ 35.912787] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 35.917454] ? direct_entry.cold+0x2c/0x38 # [ 35.922026] ? full_proxy_write+0x53/0x80 # [ 35.926500] ? vfs_write+0xe7/0x3b0 # [ 35.930390] ? ksys_write+0x68/0xf0 # [ 35.934282] ? do_syscall_64+0x30/0x40 # [ 35.938464] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.944291] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboo[ 41.850942] lkdtm: Performing direct entry WRITE_KERN [ 41.856882] lkdtm: attempting bad 6896798 byte write at ffffffffbcc0d64e [ 41.864414] BUG: unable to handle page fault for address: ffffffffbcc0d64e t_[table # [ 36.002978] CR2: ffff9dcb05d3a300 # [ 36.006698 41.872109] #PF: supervisor write access in kernel mode [ 41.884163] #PF: error_code(0x0003) - permissions violation [ 41.890376] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 1be000e1 ] ---[ end trace e2cd4c44169b9e7b ]--- # [ 36.011850] RIP: 00[ 41.897086] Oops: 0003 [#16] SMP PTI [ 41.907286] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 41.915933] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.922756] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 41.927908] Code: 53 48 c7 c3 4e d6 c0 bc 49 89 dc 48 89 da 49 81 ec b0 99 57 bc 4c 89 e6 e8 1d d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 b0 99 57 bc a4 48 c7 c7 48 9f 9f bd e8 02 d9 fb ff 5b 41 5c e9 b7 fe ff ff [ 41.948891] RSP: 0018:ffffb251426ffe50 EFLAGS: 00010246 [ 41.954725] RAX: 000000000000003c RBX: ffffffffbcc0d64e RCX: 0000000000693c9e [ 41.962715] RDX: 0000000000000000 RSI: ffffffffbc5799b0 RDI: ffffffffbcc0d64e [ 41.970696] RBP: ffffffffbd9f9152 R08: 0000000000000000 R09: 0000000000000000 [ 41.978666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693c9e [ 41.986635] R13: ffffb251426fff10 R14: ffffb251426fff10 R15: ffff9dcb0272f000 [ 41.994604] FS: 00007f582f3b2580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 42.003642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.010057] CR2: ffffffffbcc0d64e CR3: 00000001032fa003 CR4: 00000000003706e0 [ 42.018026] Call Trace: [ 42.020756] ? __die_body.cold+0x1a/0x1f [ 42.025134] ? no_context+0x177/0x380 [ 42.029222] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 42.034666] ? exc_page_fault+0xd7/0x170 [ 42.039041] ? asm_exc_page_fault+0x1e/0x30 [ 42.043710] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 42.049156] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 [ 42.054016] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 42.059459] ? lkdtm_WRITE_KERN+0x38/0x4e [ 42.063933] direct_entry.cold+0x2c/0x38 [ 42.068310] full_proxy_write+0x53/0x80 [ 42.072592] vfs_write+0xe7/0x3b0 [ 42.076288] ksys_write+0x68/0xf0 [ 42.079987] do_syscall_64+0x30/0x40 [ 42.083975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.089615] RIP: 0033:0x7f582f2c8473 [ 42.093602] 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 [ 42.114584] RSP: 002b:00007fff000ee8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.123038] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f582f2c8473 [ 42.131006] RDX: 000000000000000b RSI: 00007f582f1bc000 RDI: 0000000000000001 [ 42.138975] RBP: 00007f582f1bc000 R08: 00007f582f1bb010 R09: 0000000000000000 [ 42.146944] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.154912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10:lkdtm_BUG+0x5/0x10 # [ 36.016226] Code: 89 ff e8 ce e6 79 [ 42.162884] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 42.221581] CR2: ffffffffbcc0d64e [ 42.225277] ---[ end trace e2cd4c44169b9e84 ]--- [ 42.230430] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.234806] Code: 89 ff e8 ce e6 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 b0 55 e9 02 [ 42.255776] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 [ 42.261610] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.269578] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 [ 42.277545] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 [ 42.285513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.293481] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 [ 42.301449] FS: 00007f582f3b2580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 42.310485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.316898] CR2: ffffffffbcc0d64e CR3: 00000001032fa003 CR4: 00000000003706e0 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 b0 55 e9 02 # [ 36.037192] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 36.043024] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.050991] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 36.058959] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 36.066925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.074893] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 36.082860] FS: 00007f2c05aee580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 36.091895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.098308] CR2: ffff9dcb05d3a300 CR3: 0000000103c3a002 CR4: 00000000003706e0 # [ 36.106274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.116184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat # [ 36.124635] INFO: lockdep is turned off. # [ 36.129008] irq event stamp: 0 # [ 36.132414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.139401] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 36.148534] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 36.157666] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.164662] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 36.173307] Hardware name: Google Rammus/Ramm[ 42.484977] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW us, BIOS 09/04/2020 # [ 36.180108] Call Trace: # [ 36.182[ 42.493398] lkdtm: attempting good refcount_inc() without overflow 834] dump_stack+0x77/0x9b # [ 36.186532] ___might_sleep.col[ 42.506518] lkdtm: attempting bad refcount_inc() overflow d+0xa6/0xb6 # [ 36.191103] exit_signals+0x1c/0x300 # [ 36[ 42.518760] ------------[ cut here ]------------ .195090] do_exit+0xc2/0xab0 # [ 36.198592] ? ksys_write+0x6[ 42.530129] refcount_t: saturated; leaking memory. 8/0xf0 # [ 36.202475] make_task_dead+0x2f/0x30 # [ 36.206[ 42.541721] WARNING: CPU: 1 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 561] rewind_stack_and_make_dead+0x17/0x20 # [ 36.211809] RIP[ 42.557355] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table : 0033:0x7f2c05a04473 # [ 36.215796] Code: 8b 15 21 2a 0e 00 [ 42.616023] CPU: 1 PID: 1966 Comm: cat Tainted: G D W 5.10.184-cip36 #1 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1[ 42.630891] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 42.643916] RIP: 0010:refcount_warn_saturate+0x51/0x110 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.236773[ 42.655967] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 ] RSP: 002b:00007fff855328b8 EFLAGS: 00000246 ORIG_RAX: 00000000[ 42.683170] RSP: 0018:ffffb251427b7e48 EFLAGS: 00010286 [ 42.695222] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 00000001 # [ 36.245225] RAX: ffffffffffffffda RBX: 0000000000[ 42.703196] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 00000d RCX: 00007f2c05a04473 # [ 36.253194] RDX: 000000000000[ 42.717386] RBP: ffffffffbd9f915d R08: 0000000000000000 R09: 0000000000000000 000d RSI: 00007f2c058f8000 RDI: 0000000000000001 # [ 36.26116[ 42.731573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 42.745760] R13: ffffb251427b7f10 R14: ffffb251427b7f10 R15: ffff9dcb032fd000 2] RBP: 00007f2c058f8000 R08: 00007f2c058f7010 R09: 000000000000[ 42.753750] FS: 00007fde1df8b580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 42.769001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.775419] CR2: 00007fde1dd95000 CR3: 0000000104372004 CR4: 00000000003706e0 [ 42.783394] Call Trace: 0000 # [ 36.269128] R10: fffffffffffffbc5 R11: 00000000000002[ 42.786127] ? __warn+0x80/0x110 [ 42.795943] ? refcount_warn_saturate+0x51/0x110 46 R12: 0000000000000001 # [ 36.277095] R13: 0000000000000001[ 42.801102] ? report_bug+0x9e/0xc0 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: sa[ 42.811208] ? handle_bug+0x41/0x90 [ 42.821316] ? exc_invalid_op+0x14/0x70 w 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # [ 42.825602] ? asm_exc_invalid_op+0x12/0x20 selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 36.415302] lk[ 42.836486] ? refcount_warn_saturate+0x51/0x110 [ 42.847857] ? refcount_warn_saturate+0x51/0x110 dtm: Performing direct entry EXEC_VMALLOC # [ 36.421601] lkdt[ 42.853041] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 42.864602] direct_entry.cold+0x2c/0x38 m: attempting ok execution at ffffffffbc5799b0 # [ 36.434365][ 42.868985] full_proxy_write+0x53/0x80 lkdtm: attempting bad execution at ffffb2514038b000 # [ 36.4[ 42.879479] vfs_write+0xe7/0x3b0 [ 42.889397] ksys_write+0x68/0xf0 47161] kernel tried to execute NX-protected page - exploit attem[ 42.893100] do_syscall_64+0x30/0x40 [ 42.903301] entry_SYSCALL_64_after_hwframe+0x61/0xc6 pt? (uid: 0) # [ 36.461709] BUG: unable to handle page fault [ 42.908945] RIP: 0033:0x7fde1dea1473 [ 42.919147] 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 for address: ffffb2514038b000 # [ 36.469377] #PF: supervisor [ 42.940132] RSP: 002b:00007ffd835d32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 instruction fetch in kernel mode # [ 36.475693] #PF: error_co[ 42.954801] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde1dea1473 [ 42.968990] RDX: 0000000000000016 RSI: 00007fde1dd95000 RDI: 0000000000000001 de(0x0011) - permissions violation # [ 36.481913] PGD 1000000[ 42.976964] RBP: 00007fde1dd95000 R08: 00007fde1dd94010 R09: 0000000000000000 [ 42.991151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 67 P4D 100000067 PUD 100231067 PMD 1009bf067 PTE 80000001044ff06[ 42.999127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 # [ 36.490949] Oops: 0011 [#8] SMP PTI # [ 36.494840] CP[ 43.013318] irq event stamp: 0 [ 43.022941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 U: 0 PID: 1648 Comm: cat Tainted: G D W 5.10.184-ci[ 43.029944] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 43.045294] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 p36 #1 # [ 36.503478] Hardware name: Google Rammus/Rammus, BI[ 43.054436] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.067650] ---[ end trace e2cd4c44169b9e85 ]--- OS 09/04/2020 # [ 36.510282] RIP: 0010:0xffffb2514038b000 #[ 43.072808] lkdtm: Overflow detected: saturated [ 36.514649] Code: Unable to access opcode bytes at RIP 0xffffb2514038afd6. # [ 36.522324] RSP: 0018:ffffb2514228fe38 EFLAGS: 00010246 # [ 36.528156] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.536123] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 36.544090] RBP: ffffb2514038b000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.552058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 36.560026] R13: ffffb2514228ff10 R14: ffffb2514228ff10 R15: ffff9dcb044ff000 # [ 36.567992] FS: 00007f586dfdc580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 36.577028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.583442] CR2: ffffb2514038afd6 CR3: 0000000103f3a005 CR4: 00000000003706f0 # [ 36.591410] Call Trace: # [ 36.594132] ? __die_body.cold+0x1a/0x1f # [ 36.598516] ? no_context+0x177/0x380 # [ 36.602608] ? exc_page_fault+0xd7/0x170 # [ 36.606991] ? asm_exc_page_fault+0x1e/0x30 # [ 36.611663] ? execute_location+0x45/0x56 # [ 36.616142] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 36.620810] ? direct_entry.cold+0x2c/0x38 # [ 36.625374] ? full_proxy_write+0x53/0x80 # [ 36.629854] ? vfs_write+0xe7/0x3b0 # [ 36.633744] ? ksys_write+0x68/0xf0 # [ 36.637635] ? do_syscall_64+0x30[ 43.210636] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 43.221525] lkdtm: attempting good refcount_add() without overflow /0x40 # [ 36.641816] ? entry_SYSCALL_64_after_hwframe+0x61/0[ 43.228465] lkdtm: attempting bad refcount_add() overflow xc6 # [ 36.647651] Modules linked in: fuse ip_tables cros_ec_[ 43.240697] ------------[ cut here ]------------ [ 43.252068] refcount_t: saturated; leaking memory. lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 43.257441] WARNING: CPU: 2 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 gered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros[ 43.273065] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 43.331762] CPU: 2 PID: 1998 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 43.340447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.347260] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 43.353129] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 [ 43.374122] RSP: 0018:ffffb25142837e48 EFLAGS: 00010286 [ 43.379979] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 43.387954] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 43.395928] RBP: ffffffffbd9f9173 R08: 0000000000000000 R09: 0000000000000000 [ 43.403903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 43.411877] R13: ffffb25142837f10 R14: ffffb25142837f10 R15: ffff9dcb03f3a000 [ 43.419854] FS: 00007f47a5dcb580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 43.428898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.435318] CR2: 00007f47a5bd5000 CR3: 000000010462c002 CR4: 00000000003706e0 [ 43.443291] Call Trace: [ 43.446026] ? __warn+0x80/0x110 _ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cro[ 43.449658] ? refcount_warn_saturate+0x51/0x110 [ 43.461027] ? report_bug+0x9e/0xc0 [ 43.464929] ? handle_bug+0x41/0x90 [ 43.468856] ? exc_invalid_op+0x14/0x70 [ 43.473140] ? asm_exc_invalid_op+0x12/0x20 [ 43.477818] ? refcount_warn_saturate+0x51/0x110 [ 43.483005] ? refcount_warn_saturate+0x51/0x110 [ 43.488165] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 43.493546] direct_entry.cold+0x2c/0x38 [ 43.497931] full_proxy_write+0x53/0x80 [ 43.502248] vfs_write+0xe7/0x3b0 [ 43.505982] ksys_write+0x68/0xf0 [ 43.509719] do_syscall_64+0x30/0x40 [ 43.513727] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.519401] RIP: 0033:0x7f47a5ce1473 [ 43.523396] 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 [ 43.544387] RSP: 002b:00007ffda8dcf468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 s_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensor[ 43.552852] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f47a5ce1473 [ 43.567041] RDX: 0000000000000016 RSI: 00007f47a5bd5000 RDI: 0000000000000001 hub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_te[ 43.575016] RBP: 00007f47a5bd5000 R08: 00007f47a5bd4010 R09: 0000000000000000 [ 43.589204] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.597209] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.605188] irq event stamp: 0 [ 43.608629] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.615634] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 43.624776] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 43.633917] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.640946] ---[ end trace e2cd4c44169b9e86 ]--- mp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dma[ 43.646119] lkdtm: Overflow detected: saturated engine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.700113] CR2: ffffb2514038b000 # [ 36.703801] ---[ end trace e2cd4c44169b9e7c ]--- # [ 36.708955] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.713330] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 36.734309] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 36.740142] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.748110] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 36.756077] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 36.764046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.772016] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 36.779985] FS: 00007f586dfdc580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 36.789021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.795435] CR2: ffffb2514038afd6 CR3: 0000000103f3a005 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 36.979308] lkdtm: Performing direct entry EXEC_RODATA # [ 36.989422] lkdtm: attemptin[ 43.788875] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW g ok execution at ffffffffbc5799b0 # [ 37.002155] lkdtm: atte[ 43.801804] lkdtm: attempting bad refcount_inc_not_zero() overflow mpting bad execution at ffffffffbd57ed20 # [ 37.014976] kerne[ 43.814916] ------------[ cut here ]------------ l tried to execute NX-protected page - exploit attempt? (uid: 0)[ 43.826271] refcount_t: saturated; leaking memory. # [ 37.029543] BUG: unable to handle page fault for address:[ 43.837916] WARNING: CPU: 0 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ffffffffbd57ed20 # [ 37.037221] #PF: supervisor instruction [ 43.853556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table fetch in kernel mode # [ 37.043532] #PF: error_code(0x0011) -[ 43.912216] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.184-cip36 #1 permissions violation # [ 37.049753] PGD 1ce29067 P4D 1ce290[ 43.927128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 67 PUD 1ce2a063 PMD 800000001c6000e1 # [ 37.063456] Oops: 00[ 43.940128] RIP: 0010:refcount_warn_saturate+0x97/0x110 11 [#9] SMP PTI # [ 37.067339] CPU: 1 PID: 1684 Comm: cat Tai[ 43.952207] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 nted: G D W 5.10.184-cip36 #1 # [ 37.075988] Har[ 43.979391] RSP: 0018:ffffb25142897e38 EFLAGS: 00010282 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.082[ 43.991466] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 795] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 37.088532[ 44.005646] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 ] Code: ff ff 43 ec c0 bc ff ff ff ff 1a 93 9f bd ff ff ff ff 89[ 44.019917] RBP: ffffffffbd9f8db0 R08: 0000000000000000 R09: 0000000000000000 d3 c0 bc ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 [ 44.034063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69[ 44.048281] R13: ffffb25142897f10 R14: ffffb25142897f10 R15: ffff9dcb030ba000 73 20 69 # [ 37.115739] RSP: 0018:ffffb25142327e48 EFLAGS: 0[ 44.062445] FS: 00007f39f525d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 0010246 # [ 37.121576] RAX: 0000000000000033 RBX: 00000000000[ 44.077715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000 RCX: 0000000000000000 # [ 37.129545] RDX: 0000000000000[ 44.090341] CR2: 00007f39f5067000 CR3: 0000000104432005 CR4: 00000000003706f0 000 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 37.137511[ 44.104543] Call Trace: ] RBP: ffffffffbd57ed20 R08: 0000000000000000 R09: 0000000000000[ 44.113506] ? __warn+0x80/0x110 000 # [ 37.145481] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 44.123352] ? refcount_warn_saturate+0x97/0x110 f R12: 000000000000000c # [ 37.153448] R13: ffffb25142327f10 [ 44.134727] ? report_bug+0x9e/0xc0 R14: ffffb25142327f10 R15: ffff9dcb059cd000 # [ 37.161418] FS[ 44.144865] ? handle_bug+0x41/0x90 : 00007f992f423580(0000) GS:ffff9dcb7ac80000(0000) knlGS:000000[ 44.154972] ? exc_invalid_op+0x14/0x70 0000000000 # [ 37.170445] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 44.165510] ? asm_exc_invalid_op+0x12/0x20 00000080050033 # [ 37.176861] CR2: ffffffffbd57ed20 CR3: 0000[ 44.176369] ? refcount_warn_saturate+0x97/0x110 0001026c8005 CR4: 00000000003706e0 # [ 37.184828] Call Trace:[ 44.187742] ? refcount_warn_saturate+0x97/0x110 # [ 37.187558] ? __die_body.cold+0x1a/0x1f # [ 37.191938[ 44.199118] __refcount_add_not_zero.constprop.0+0x2a/0x35 ] ? no_context+0x177/0x380 # [ 37.202236] ? exc_page_fault+[ 44.211469] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 0xd7/0x170 # [ 37.206616] ? asm_exc_page_fault+0x1e/0x30 # [ 44.223901] direct_entry.cold+0x2c/0x38 [ 37.217500] ? execute_location+0x45/0x56 # [ 37.228188] [ 44.234508] full_proxy_write+0x53/0x80 ? direct_entry.cold+0x2c/0x38 # [ 37.232759] ? full_proxy_wr[ 44.245001] vfs_write+0xe7/0x3b0 ite+0x53/0x80 # [ 37.237235] ? vfs_write+0xe7/0x3b0 # [ 3[ 44.254928] ksys_write+0x68/0xf0 7.241126] ? ksys_write+0x68/0xf0 # [ 37.245019] ? do_syscal[ 44.264835] do_syscall_64+0x30/0x40 l_64+0x30/0x40 # [ 37.249203] ? entry_SYSCALL_64_after_hwfra[ 44.275054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 me+0x61/0xc6 # [ 37.255038] Modules linked in: fuse ip_tables[ 44.286906] RIP: 0033:0x7f39f5173473 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industri[ 44.297115] 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 alio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcv[ 44.324343] RSP: 002b:00007ffce4ec45b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_de[ 44.339046] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f39f5173473 bugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_[ 44.353191] RDX: 000000000000001f RSI: 00007f39f5067000 RDI: 0000000000000001 ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x[ 44.367392] RBP: 00007f39f5067000 R08: 00007f39f5066010 R09: 0000000000000000 86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common sn[ 44.381577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 d_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_le[ 44.395770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d_backlight chromeos_pstore coreboot_table # [ 37.313701] CR2[ 44.409962] irq event stamp: 0 : ffffffffbd57ed20 # [ 37.317398] ---[ end trace e2cd4c44169b[ 44.419592] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9e7d ]--- # [ 37.322554] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 44.432824] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 37.326931] Code: 89 ff e8 ce e6 79 ff 48 c7 c0 ea ff ff ff eb de[ 44.448221] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 [ 44.463543] softirqs last disabled at (0): [<0000000000000000>] 0x0 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 44.476773] ---[ end trace e2cd4c44169b9e87 ]--- 83 05 b0 55 e9 02 # [ 37.347912] RSP: 0018:ffffb2514132fe60 [ 44.488135] lkdtm: Overflow detected: saturated EFLAGS: 00010282 # [ 37.353754] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.361723] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 37.369713] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 37.377696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.385664] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 37.393632] FS: 00007f992f423580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 37.402668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.409107] CR2: ffffffffbd57ed20 CR3: 00000001026c8005 CR4: 00000000003706e0 # [ 37.417074] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.426983] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1684, name: cat # [ 37.435438] INFO: lockdep is turned off. # [ 37.439813] irq event stamp: 0 # [ 37.443218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.450208] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 37.459335] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 37.468461] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.475459] CPU: 1 PID: 1684 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 37.484107[ 44.633788] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 44.643884] lkdtm: attempting bad refcount_add_not_zero() overflow [ 44.650789] ------------[ cut here ]------------ [ 44.655947] refcount_t: saturated; leaking memory. [ 44.661327] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 3[ 44.670764] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 44.729433] CPU: 3 PID: 2062 Comm: cat Tainted: G D W 5.10.184-cip36 #1 7.490910] Call Trace: # [ 37.493637] dump_stack+0x77/0x9b #[ 44.738113] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.751133] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 44.756970] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 [ 37.497335] ___might_sleep.cold+0xa6/0xb6 # [ 37.501897][ 44.777959] RSP: 0018:ffffb2514291fe38 EFLAGS: 00010282 [ 44.790008] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 exit_signals+0x1c/0x300 # [ 37.505886] do_exit+0xc2/0xab0 [ 44.797982] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 44.812167] RBP: ffffffffbd9f8dd0 R08: 0000000000000000 R09: 0000000000000000 [ 44.820140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 44.828112] R13: ffffb2514291ff10 R14: ffffb2514291ff10 R15: ffff9dcb04918000 [ 44.836084] FS: 00007f90d3610580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 44.845131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.851581] CR2: 00007f90d341a000 CR3: 00000001044b6003 CR4: 00000000003706e0 [ 44.859575] Call Trace: [ 44.862307] ? __warn+0x80/0x110 # [ 37.509389] ? ksys_write+0x68/0xf0 # [ 37.513282] mak[ 44.865939] ? refcount_warn_saturate+0x97/0x110 [ 44.877305] ? report_bug+0x9e/0xc0 [ 44.881200] ? handle_bug+0x41/0x90 [ 44.885092] ? exc_invalid_op+0x14/0x70 [ 44.889375] ? asm_exc_invalid_op+0x12/0x20 [ 44.894049] ? refcount_warn_saturate+0x97/0x110 [ 44.899229] ? refcount_warn_saturate+0x97/0x110 [ 44.904385] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 44.910513] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 44.916756] direct_entry.cold+0x2c/0x38 [ 44.921137] full_proxy_write+0x53/0x80 [ 44.925421] vfs_write+0xe7/0x3b0 [ 44.929121] ksys_write+0x68/0xf0 [ 44.932822] do_syscall_64+0x30/0x40 [ 44.936815] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.942456] RIP: 0033:0x7f90d3526473 [ 44.946447] 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 [ 44.967436] RSP: 002b:00007ffd3c337df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.975894] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f90d3526473 [ 44.983859] RDX: 000000000000001f RSI: 00007f90d341a000 RDI: 0000000000000001 [ 44.991831] RBP: 00007f90d341a000 R08: 00007f90d3419010 R09: 0000000000000000 [ 44.999802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.007775] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.015757] irq event stamp: 0 [ 45.019189] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.026190] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 45.035325] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 45.044454] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.051455] ---[ end trace e2cd4c44169b9e88 ]--- [ 45.056610] lkdtm: Overflow detected: saturated e_task_dead+0x2f/0x30 # [ 37.517367] rewind_stack_and_make_dead+0x17/0x20 # [ 37.522607] RIP: 0033:0x7f992f339473 # [ 37.526595] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.547568] RSP: 002b:00007ffeb203fa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.556023] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f992f339473 # [ 37.563993] RDX: 000000000000000c RSI: 00007f992f22d000 RDI: 0000000000000001 # [ 37.571961] RBP: 00007f992f22d000 R08: 00007f992f22c010 R09: 0000000000000000 # [ 37.579929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.587898] 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 # [ 37.726850] lkdtm: Performing direct entry EXEC_USERSPACE # [ 37.738867] lkdtm: attempting ok execution at ffffffffbc5799b0 # [ 37.751612] lkdtm: attempting bad execution at 00007f7d69473000 # [ 37.764441] unable to execute userspace code (SMEP?) (uid: 0) # [ 37.777023] BUG: unable to handle page fault for address: 00007f7d69473000 # [ 37.784701] #PF: supervisor instruction fetch in kernel mode # [ 37.791019] #PF: error_code(0x0011) - permissions violation # [ 37.797242] PGD 8000000103d30067 P4D 8000000103d30067 PUD 104613067 PMD 104465067 PTE 10adb8067 # [ 37.806970] Oops: 0011 [#10] SMP PTI # [ 37.810950] CPU: 0 PID: 1720 Comm: cat Tainted: G [ 45.221634] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 45.229593] lkdtm: attempting good refcount_dec() [ 45.234878] lkdtm: attempting bad refcount_dec() to zero [ 45.240811] ------------[ cut here ]------------ [ 45.245968] refcount_t: decrement hit 0; leaking memory. D W 5.10.184-cip36 #1 # [ 37.819600] Hardware name:[ 45.251928] WARNING: CPU: 3 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.826405] RIP: 0[ 45.267579] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 45.326284] CPU: 3 PID: 2094 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 45.334937] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.341752] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 45.347590] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 45.368580] RSP: 0018:ffffb251429a7e48 EFLAGS: 00010286 [ 45.374416] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 45.382388] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 45.390362] RBP: ffffffffbd9f9189 R08: 0000000000000000 R09: 0000000000000000 [ 45.398334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 45.406307] R13: ffffb251429a7f10 R14: ffffb251429a7f10 R15: ffff9dcb068d7000 [ 45.414282] FS: 00007ff201e9a580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 45.423322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.429743] CR2: 00007ff201ca4000 CR3: 000000010461a005 CR4: 00000000003706e0 [ 45.437753] Call Trace: [ 45.440486] ? __warn+0x80/0x110 [ 45.444118] ? refcount_warn_saturate+0xfb/0x110 [ 45.449276] ? report_bug+0x9e/0xc0 [ 45.453171] ? handle_bug+0x41/0x90 [ 45.457086] ? exc_invalid_op+0x14/0x70 [ 45.461360] ? asm_exc_invalid_op+0x12/0x20 [ 45.466033] ? refcount_warn_saturate+0xfb/0x110 [ 45.471215] ? refcount_warn_saturate+0xfb/0x110 [ 45.476374] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 45.481360] direct_entry.cold+0x2c/0x38 [ 45.485761] full_proxy_write+0x53/0x80 010:0x7f7d69473000 # [ 37.830391] Code: Unable to access opco[ 45.490047] vfs_write+0xe7/0x3b0 de bytes at RIP 0x7f7d69472fd6. # [ 37.837700] RSP: 0018:ffff[ 45.499962] ksys_write+0x68/0xf0 b251423afe50 EFLAGS: 00010246 # [ 37.843533] RAX: 00000000000[ 45.509879] do_syscall_64+0x30/0x40 [ 45.520091] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.525764] RIP: 0033:0x7ff201db0473 [ 45.529758] 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 [ 45.550754] RSP: 002b:00007fff43ac7b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.559241] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff201db0473 00033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 37.8515[ 45.567230] RDX: 0000000000000012 RSI: 00007ff201ca4000 RDI: 0000000000000001 [ 45.581409] RBP: 00007ff201ca4000 R08: 00007ff201ca3010 R09: 0000000000000000 [ 45.589382] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.597356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.605353] irq event stamp: 0 03] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac[ 45.608774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.621985] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 45.631125] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 45.640264] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.647266] ---[ end trace e2cd4c44169b9e89 ]--- [ 45.652421] lkdtm: Zero detected: saturated 1bf70 # [ 37.859472] RBP: 00007f7d69473000 R08: 0000000000000000 R09: 0000000000000000 # [ 37.867441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 37.875412] R13: ffffb251423aff10 R14: ffffb251423aff10 R15: ffff9dcb04a0b000 # [ 37.883382] FS: 00007f7d69444580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 37.892419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.898834] CR2: 00007f7d69473000 CR3: 0000000105c58005 CR4: 00000000003706f0 # [ 37.906804] Call Trace: # [ 37.909532] ? __die_body.cold+0x1a/0x1f # [ 37.913916] ? no_context+0x177/0x380 # [ 37.918004] ? exc_page_fault+0x53/0x170 # [ 37.922387] ? asm_exc_page_fault+0x1e/0x30 # [ 37.927052] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 37.932406] ? direct_entry.cold+0x2c/0x38 # [ 37.936971] ? full_proxy_write+0x53/0x80 # [ 37.941446] ? vfs_write+0xe7/0x3b0 # [ 37.945338] ? ksys_write+0x68/0xf0 # [ 37.949223] ? do_syscall_64+0x30/0x40 # [ 37.953396] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.959234] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreb[ 45.808385] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE oot_table # [ 38.011721] CR2: 00007f7d69473000 # [ 38.0154[ 45.819227] lkdtm: attempting bad refcount_dec() below zero 19] ---[ end trace e2cd4c44169b9e7e ]--- # [ 38.020575] RIP: [ 45.831697] ------------[ cut here ]------------ 0010:lkdtm_BUG+0x5/0x10 # [ 38.024952] Code: 89 ff e8 ce e6 7[ 45.843061] refcount_t: decrement hit 0; leaking memory. 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 45.855253] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 45.870863] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 4 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 # [ 38.0459[ 45.929552] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.184-cip36 #1 38] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 38.051772[ 45.944402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000[ 45.957437] RIP: 0010:refcount_warn_saturate+0xfb/0x110 000 # [ 38.059755] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf7[ 45.969481] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0 RDI: ffffffffbd57e890 # [ 38.067726] RBP: ffffffffbda5d600 [ 45.996694] RSP: 0018:ffffb25142a2fe48 EFLAGS: 00010286 R08: 0000000000000001 R09: 0000000000000001 # [ 38.075698] R1[ 46.008732] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.022924] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 38.083670] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R1[ 46.037113] RBP: ffffffffbd9f919b R08: 0000000000000000 R09: 0000000000000000 5: ffff9dcb0431f000 # [ 38.091640] FS: 00007f7d69444580(0000[ 46.051308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 38.100[ 46.065484] R13: ffffb25142a2ff10 R14: ffffb25142a2ff10 R15: ffff9dcb03c3e000 697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38[ 46.079689] FS: 00007fdadb0a0580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 .107114] CR2: 00007f7d69473000 CR3: 0000000105c58005 CR4: 000000[ 46.094925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00003706f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selft[ 46.107555] CR2: 00007fdadaeaa000 CR3: 0000000103298002 CR4: 00000000003706f0 ests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh[ 46.121729] Call Trace: # Killed # [ 38.278856] lkdtm: Performing direct entry EXEC[ 46.130703] ? __warn+0x80/0x110 _NULL # [ 38.288475] lkdtm: attempting ok execution at ffffff[ 46.140500] ? refcount_warn_saturate+0xfb/0x110 ffbc5799b0 # [ 38.294995] lkdtm: attempting bad execution at [ 46.151892] ? report_bug+0x9e/0xc0 0000000000000000 # [ 38.301610] BUG: kernel NULL pointer dere[ 46.161980] ? handle_bug+0x41/0x90 ference, address: 0000000000000000 # [ 38.309389] #PF: superv[ 46.172108] ? exc_invalid_op+0x14/0x70 isor instruction fetch in kernel mode # [ 38.315709] #PF: err[ 46.182592] ? asm_exc_invalid_op+0x12/0x20 or_code(0x0010) - not-present page # [ 38.321443] PGD 0 P4D 0[ 46.193507] ? refcount_warn_saturate+0xfb/0x110 # [ 38.324268] Oops: 0010 [#11] SMP PTI # [ 38.334467] C[ 46.204858] ? refcount_warn_saturate+0xfb/0x110 PU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.184-c[ 46.216252] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 ip36 #1 # [ 38.343115] Hardware name: Google Rammus/Rammus, B[ 46.227801] direct_entry.cold+0x2c/0x38 IOS 09/04/2020 # [ 38.349920] RIP: 0010:0x0 # [ 38.352840[ 46.238415] full_proxy_write+0x53/0x80 ] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.[ 46.248900] vfs_write+0xe7/0x3b0 # [ 38.360507] RSP: 0018:ffffb2514241fe48 EFLAGS: 00010246 [ 46.258815] ksys_write+0x68/0xf0 # [ 38.366340] RAX: 0000000000000033 RBX: 0000000000000000 RCX[ 46.268762] do_syscall_64+0x30/0x40 : 0000000000000000 # [ 38.374307] RDX: 0000000000000000 RSI: [ 46.278962] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 38.382275] RBP: 00[ 46.290818] RIP: 0033:0x7fdadafb6473 00000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 46.301033] 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 38.390243] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 46.328226] RSP: 002b:00007ffcf6af8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000a # [ 38.398212] R13: ffffb2514241ff10 R14: ffff[ 46.342913] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdadafb6473 b2514241ff10 R15: ffff9dcb05c1e000 # [ 38.406181] FS: 00007f[ 46.357096] RDX: 0000000000000016 RSI: 00007fdadaeaa000 RDI: 0000000000000001 045e56a580(0000) GS:ffff9dcb7ad00000(0000) knlGS:000000000000000[ 46.371292] RBP: 00007fdadaeaa000 R08: 00007fdadaea9010 R09: 0000000000000000 0 # [ 38.415210] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 46.385471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 50033 # [ 38.421617] CR2: ffffffffffffffd6 CR3: 000000010353e[ 46.399670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 005 CR4: 00000000003706e0 # [ 38.429583] Call Trace: # [ 3[ 46.413855] irq event stamp: 0 8.432312] ? __die_body.cold+0x1a/0x1f # [ 38.436702] ? no_c[ 46.423477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ontext+0x177/0x380 # [ 38.440789] ? exc_page_fault+0x53/0x17[ 46.436726] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0 # [ 38.445167] ? asm_exc_page_fault+0x1e/0x30 # [ 38.44[ 46.452073] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 9839] execute_location+0x45/0x56 # [ 38.454120] direct_entr[ 46.467432] softirqs last disabled at (0): [<0000000000000000>] 0x0 y.cold+0x2c/0x38 # [ 38.458488] full_proxy_write+0x53/0x80 [ 46.480646] ---[ end trace e2cd4c44169b9e8a ]--- # [ 38.462768] vfs_write+0xe7/0x3b0 # [ 38.466456] ksys_w[ 46.492028] lkdtm: Negative detected: saturated rite+0x68/0xf0 # [ 38.470154] do_syscall_64+0x30/0x40 # [ 38.474142] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.479782] RIP: 0033:0x7f045e480473 # [ 38.483761] 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 # [ 38.504746] RSP: 002b:00007ffe63c8ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.513200] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f045e480473 # [ 38.521168] RDX: 000000000000000a RSI: 00007f045e374000 RDI: 0000000000000001 # [ 38.529133] RBP: 00007f045e374000 R08: 00007f045e373010 R09: 0000000000000000 # [ 38.537099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.545066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.553037] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 38.611725] CR2: 0000000000000000 # [ 38.615422] ---[ end trace e2cd4c44169b9e7f ]--- # [ 38.620567] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.624942] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 38.645920] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [[ 46.683038] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 46.691136] lkdtm: attempting bad refcount_dec_and_test() below zero [ 46.698263] ------------[ cut here ]------------ [ 46.703461] refcount_t: underflow; use-after-free. [ 46.708856] WARNING: CPU: 3 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 38.651753] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0[ 46.718297] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 46.776950] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 46.785635] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.792444] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 46.798284] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 46.819304] RSP: 0018:ffffb25142ad7e40 EFLAGS: 00010286 [ 46.825143] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 46.833116] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 46.841092] RBP: ffffffffbd9f8df0 R08: 0000000000000000 R09: 0000000000000000 [ 46.849095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 46.857069] R13: ffffb25142ad7f10 R14: ffffb25142ad7f10 R15: ffff9dcb03c42000 [ 46.865042] FS: 00007f3430065580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 46.874083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.880500] CR2: 00007f342fe6f000 CR3: 0000000105c04003 CR4: 00000000003706e0 [ 46.888474] Call Trace: [ 46.891208] ? __warn+0x80/0x110 000000000000000 # [ 38.659721] RDX: 0000000000000000 RSI: fff[ 46.894841] ? refcount_warn_saturate+0xba/0x110 [ 46.906207] ? report_bug+0x9e/0xc0 f9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 38.667696] RBP: fffff[ 46.910134] ? handle_bug+0x41/0x90 [ 46.920233] ? exc_invalid_op+0x14/0x70 [ 46.924519] ? asm_exc_invalid_op+0x12/0x20 [ 46.929226] ? refcount_warn_saturate+0xba/0x110 fffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 3[ 46.934415] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 46.946763] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 46.953021] direct_entry.cold+0x2c/0x38 [ 46.957435] full_proxy_write+0x53/0x80 8.675666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 46.961753] vfs_write+0xe7/0x3b0 00000000004 # [ 38.683633] R13: ffffb2514132ff10 R14: ffffb25[ 46.971671] ksys_write+0x68/0xf0 14132ff10 R15: ffff9dcb0431f000 # [ 38.691602] FS: 00007f045[ 46.981583] do_syscall_64+0x30/0x40 [ 46.991793] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.997467] RIP: 0033:0x7f342ff7b473 [ 47.001462] 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 [ 47.022472] RSP: 002b:00007ffda1bf3858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.030932] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f342ff7b473 [ 47.038930] RDX: 000000000000001f RSI: 00007f342fe6f000 RDI: 0000000000000001 e56a580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 47.046920] RBP: 00007f342fe6f000 R08: 00007f342fe6e010 R09: 0000000000000000 [ 47.061096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.069069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.077063] irq event stamp: 0 # [ 38.700638] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 47.080484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.093710] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 33 # [ 38.707054] CR2: ffffffffffffffd6 CR3: 000000010353e005[ 47.102859] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 47.118203] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.125205] ---[ end trace e2cd4c44169b9e8b ]--- [ 47.130361] lkdtm: Negative detected: saturated CR4: 00000000003706e0 # [ 38.715023] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.724934] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat # [ 38.733379] INFO: lockdep is turned off. # [ 38.737754] irq event stamp: 0 # [ 38.741160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.748149] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 38.757283] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 38.766417] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.773414] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 38.782062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.788864] Call Trace: # [ 38.791590] dump_stack+0x77/0x9b # [ 38.795287] ___might_sleep.cold+0xa6/0xb6 # [ 38.799858] exit_signals+0x1c/0x300 # [ 38.803837] do_exit+0xc2/0xab0 # [ 38.807340] ? ksys_write+0x68/0xf0 # [ 38.811232] make_task_dead+0x2f/0x30 # [ 38.815318] rewind_stack_and_make_dead+0x17/0x20 # [ 38.820559] RIP: 0033:0x7f045e480473 # [ 38.824536] 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 # [ 38.845515] RSP: 002b:00007ffe63c8ac88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.853960] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f045e480473 # [ 38.861929] RDX: 000000000000000a RSI: 00007f045e374000 RDI: 0000000000000001 # [ 38.869896] RBP: 00007f045e374000 R08: 00007f045e373010 R09: 0000000000000000 # [ 38.877864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.885832] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NUL[ 47.324739] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 47.335844] lkdtm: attempting bad refcount_sub_and_test() below zero L.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 3[ 47.342945] ------------[ cut here ]------------ 9.008491] lkdtm: Performing direct entry ACCESS_USERSPACE # [ [ 47.354315] refcount_t: underflow; use-after-free. 39.018161] lkdtm: attempting bad read at 00007f3c4f3d3000 # [ [ 47.365910] WARNING: CPU: 1 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 39.024317] BUG: unable to handle page fault for address: 00007[ 47.381525] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table f3c4f3d3000 # [ 39.038195] #PF: supervisor read access in ker[ 47.440230] CPU: 1 PID: 2199 Comm: cat Tainted: G D W 5.10.184-cip36 #1 nel mode # [ 39.043933] #PF: error_code(0x0001) - permissions[ 47.455075] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 violation # [ 39.050155] PGD 800000010471c067 P4D 8000000104[ 47.468100] RIP: 0010:refcount_warn_saturate+0xba/0x110 71c067 PUD 1027c8067 PMD 103d67067 PTE 10b525067 # [ 39.06609[ 47.480153] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 47.507356] RSP: 0018:ffffb25142a17e40 EFLAGS: 00010286 4] Oops: 0001 [#12] SMP PTI # [ 39.070085] CPU: 3 PID: 1791 C[ 47.513220] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 47.527407] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 omm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 39[ 47.535382] RBP: ffffffffbd9f8e10 R08: 0000000000000000 R09: 0000000000000000 [ 47.549567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 47.557542] R13: ffffb25142a17f10 R14: ffffb25142a17f10 R15: ffff9dcb05c1e000 .078735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.565517] FS: 00007f5ec47cb580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 [ 47.580771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.085544] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3[ 47.587192] CR2: 00007f5ec45d5000 CR3: 0000000103272004 CR4: 00000000003706e0 [ 47.601378] Call Trace: # [ 39.091767] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc [ 47.604128] ? __warn+0x80/0x110 cc cc 48 89 ee 48 c7 c7 38 a0 9f bd e8 9c d7 fb ff 48 c7 c7 60 a[ 47.613927] ? refcount_warn_saturate+0xba/0x110 0 9f bd b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 83 d7 fb ff [ 47.625304] ? report_bug+0x9e/0xc0 48 89 ee 48 c7 c7 88 a0 9f # [ 39.112754] RSP: 0018:ffffb2514[ 47.635416] ? handle_bug+0x41/0x90 24bfe48 EFLAGS: 00010246 # [ 39.118589] RAX: 00000000c0dec0de[ 47.645525] ? exc_invalid_op+0x14/0x70 RBX: 0000000000000026 RCX: 0000000000000000 # [ 39.126557] R[ 47.656027] ? asm_exc_invalid_op+0x12/0x20 DX: 0000000000000000 RSI: ffff9dcb7ad9bf70 RDI: ffffffffbd9fa060[ 47.666921] ? refcount_warn_saturate+0xba/0x110 # [ 39.134526] RBP: 00007f3c4f3d3000 R08: 0000000000000000 R[ 47.678294] __refcount_sub_and_test.constprop.0+0x3c/0x50 09: 0000000000000000 # [ 39.142496] R10: 00000000ffffe000 R11[ 47.690640] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b : 3fffffffffffffff R12: 0000000000000011 # [ 39.150464] R13: [ 47.703085] direct_entry.cold+0x2c/0x38 ffffb251424bff10 R14: ffffb251424bff10 R15: ffff9dcb0446a000 # [ 47.713685] full_proxy_write+0x53/0x80 [ 39.158433] FS: 00007f3c4f3a4580(0000) GS:ffff9dcb7ad80000(0[ 47.724188] vfs_write+0xe7/0x3b0 000) knlGS:0000000000000000 # [ 39.167470] CS: 0010 DS: 0000[ 47.734107] ksys_write+0x68/0xf0 ES: 0000 CR0: 0000000080050033 # [ 39.173886] CR2: 00007f3c4[ 47.744026] do_syscall_64+0x30/0x40 f3d3000 CR3: 0000000105d82006 CR4: 00000000003706e0 # [ 39.18[ 47.754234] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1854] Call Trace: # [ 39.184581] ? __die_body.cold+0x1a/0x1f[ 47.766095] RIP: 0033:0x7f5ec46e1473 # [ 39.188958] ? no_context+0x177/0x380 # [ 39.193037] [ 47.776305] 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 ? exc_page_fault+0x53/0x170 # [ 39.197414] ? asm_exc_page_fa[ 47.803513] RSP: 002b:00007ffc01badad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ult+0x1e/0x30 # [ 39.202084] ? lkdtm_ACCESS_USERSPACE.cold+0[ 47.818188] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ec46e1473 x41/0xa3 # [ 39.207626] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0[ 47.832380] RDX: 000000000000001f RSI: 00007f5ec45d5000 RDI: 0000000000000001 xa3 # [ 39.213159] direct_entry.cold+0x2c/0x38 # [ 39.217[ 47.846572] RBP: 00007f5ec45d5000 R08: 00007f5ec45d4010 R09: 0000000000000000 538] full_proxy_write+0x53/0x80 # [ 39.221818] vfs_write+0x[ 47.860764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 e7/0x3b0 # [ 39.225516] ksys_write+0x68/0xf0 # [ 39.22921[ 47.874956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6] do_syscall_64+0x30/0x40 # [ 39.233203] entry_SYSCALL_64_[ 47.889155] irq event stamp: 0 after_hwframe+0x61/0xc6 # [ 39.238843] RIP: 0033:0x7f3c4f2ba4[ 47.898777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 73 # [ 39.242831] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c[ 47.912001] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 47.927360] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 47.942718] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 48 83 ec 28 48 89 54 24 18 # [ 39.263815] RSP: 002b:00007ff[ 47.955940] ---[ end trace e2cd4c44169b9e8c ]--- ded09b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.[ 47.967315] lkdtm: Negative detected: saturated 272271] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3c4f2ba473 # [ 39.280240] RDX: 0000000000000011 RSI: 00007f3c4f1ae000 RDI: 0000000000000001 # [ 39.288208] RBP: 00007f3c4f1ae000 R08: 00007f3c4f1ad010 R09: 0000000000000000 # [ 39.296177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.304146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.312117] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.370821] CR2: 00007f3c4f3d3000 # [ 39.374519] ---[ end trace e2cd4c44169b9e80 ]--- # [ 39.379692] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.384078] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 39.411279] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 39.417116] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.431302] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd5[ 48.122147] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 48.134130] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 48.141238] lkdtm: Good: zero detected [ 48.145428] lkdtm: Correctly stayed at zero [ 48.150097] lkdtm: attempting bad refcount_inc() from zero [ 48.156222] ------------[ cut here ]------------ [ 48.161378] refcount_t: addition on 0; use-after-free. 7e890 # [ 39.439272] RBP: ffffffffbda5d600 R08: 0000000000000[ 48.167131] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 001 R09: 0000000000000001 # [ 39.447243] R10: 00000000ffffe00[ 48.182765] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 48.241493] CPU: 3 PID: 2231 Comm: cat Tainted: G D W 5.10.184-cip36 #1 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.461429] [ 48.250166] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.263177] RIP: 0010:refcount_warn_saturate+0x74/0x110 R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f00[ 48.269016] Code: 01 01 e8 c6 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 bd c6 05 4d f1 f6 01 01 e8 a3 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 [ 48.296215] RSP: 0018:ffffb25142b97e48 EFLAGS: 00010286 [ 48.302053] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 48.310025] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 48.317998] RBP: ffffffffbd9f91b1 R08: 0000000000000000 R09: 0000000000000000 [ 48.325970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 48.333942] R13: ffffb25142b97f10 R14: ffffb25142b97f10 R15: ffff9dcb05edd000 [ 48.341914] FS: 00007f0a8a88d580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 48.350954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.357372] CR2: 00007f0a8a697000 CR3: 0000000104730003 CR4: 00000000003706e0 [ 48.365334] Call Trace: [ 48.368065] ? __warn+0x80/0x110 0 # [ 39.469398] FS: 00007f3c4f3a4580(0000) GS:ffff9dcb7ad80[ 48.371701] ? refcount_warn_saturate+0x74/0x110 [ 48.383075] ? report_bug+0x9e/0xc0 [ 48.386972] ? handle_bug+0x41/0x90 [ 48.390865] ? exc_invalid_op+0x14/0x70 [ 48.395147] ? asm_exc_invalid_op+0x12/0x20 [ 48.399819] ? refcount_warn_saturate+0x74/0x110 [ 48.404999] ? refcount_warn_saturate+0x74/0x110 [ 48.410154] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 48.415117] direct_entry.cold+0x2c/0x38 [ 48.419500] full_proxy_write+0x53/0x80 [ 48.423806] vfs_write+0xe7/0x3b0 000(0000) knlGS:0000000000000000 # [ 39.478429] CS: 0010 DS:[ 48.427509] ksys_write+0x68/0xf0 0000 ES: 0000 CR0: 0000000080050033 # [ 39.491060] CR2: 0000[ 48.437425] do_syscall_64+0x30/0x40 7f3c4f3d3000 CR3: 0000000105d82006 CR4: 00000000003706e0 # ACCE[ 48.447632] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.459490] RIP: 0033:0x7f0a8a7a3473 [ 48.463513] 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 [ 48.484500] RSP: 002b:00007ffdae6a2938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.492980] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a8a7a3473 [ 48.500954] RDX: 0000000000000012 RSI: 00007f0a8a697000 RDI: 0000000000000001 [ 48.508926] RBP: 00007f0a8a697000 R08: 00007f0a8a696010 R09: 0000000000000000 [ 48.516898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.524869] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.532847] irq event stamp: 0 SS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACC[ 48.536281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.549494] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 48.558661] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 48.567830] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.574832] ---[ end trace e2cd4c44169b9e8d ]--- [ 48.579990] lkdtm: Zero detected: saturated ESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 39.633116] lkdtm: Performing direct entry ACCESS_NULL # [ 39.641530] lkdtm: attempting bad read at 0000000000000000 # [ 39.653868] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 39.667839] #PF: supervisor read access in kernel mode # [ 39.673575] #PF: error_code(0x0000) - not-present page # [ 39.679310] PGD 0 P4D 0 # [ 39.682133] Oops: 0000 [#13] SMP PTI # [ 39.686122] CPU: 0 PID: 1826 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 39.694769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.701576] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 39.706822] Code: 40 d7 fb ff be 00 10 00 00 48 89 ef e8 12 76 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 a0 9f bd e8 1a d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 a0 9f bd 48 01 # [ 39.727790] RSP: 0018:ffffb2514254fe58 EFLAGS: 00010246 # [ 39.733613] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 39.741580] RDX: 0000000000000000 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 39.749546] RBP: ffffffffbd9f9129 R08: 0000000000000000 R09: 0000000000000000 # [ 39.757513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 39.765480] R13: ffffb2514254ff10 R1[ 48.709834] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 48.721550] lkdtm: attempting safe refcount_add_not_zero() from zero [ 48.728652] lkdtm: Good: zero detected 4: ffffb2514254ff10 R15: ffff9dcb032ba000 # [ 39.773447] FS: [ 48.732847] lkdtm: Correctly stayed at zero [ 48.743730] lkdtm: attempting bad refcount_add() from zero 00007ff57d66d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:00000000[ 48.749858] ------------[ cut here ]------------ [ 48.761228] refcount_t: addition on 0; use-after-free. [ 48.766980] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00000000 # [ 39.782483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 48.776442] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 48.835172] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.184-cip36 #1 000080050033 # [ 39.788898] CR2: 0000000000000000 CR3: 000000[ 48.843836] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.856852] RIP: 0010:refcount_warn_saturate+0x74/0x110 0103d36005 CR4: 00000000003706f0 # [ 39.796866] Call Trace: [ 48.862702] Code: 01 01 e8 c6 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 bd c6 05 4d f1 f6 01 01 e8 a3 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 [ 48.889903] RSP: 0018:ffffb25142c17e48 EFLAGS: 00010286 [ 48.895751] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 48.903723] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 48.911716] RBP: ffffffffbd9f91c3 R08: 0000000000000000 R09: 0000000000000000 [ 48.919701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 39.799595] ? __die_body.cold+0x1a/0x1f # [ 39.803977] [ 48.927674] R13: ffffb25142c17f10 R14: ffffb25142c17f10 R15: ffff9dcb02869000 [ 48.941857] FS: 00007fd25420c580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 48.950898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.957316] CR2: 00007fd254016000 CR3: 00000001059ea004 CR4: 00000000003706e0 [ 48.965287] Call Trace: [ 48.968021] ? __warn+0x80/0x110 [ 48.971653] ? refcount_warn_saturate+0x74/0x110 [ 48.976809] ? report_bug+0x9e/0xc0 ? no_context+0x177/0x380 # [ 39.808069] ? exc_page_fault+0x[ 48.980706] ? handle_bug+0x41/0x90 53/0x170 # [ 39.812450] ? asm_exc_page_fault+0x1e/0x30 # [ [ 48.990819] ? exc_invalid_op+0x14/0x70 39.817123] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 39.821700] ?[ 49.001322] ? asm_exc_invalid_op+0x12/0x20 lkdtm_ACCESS_NULL+0x14/0x53 # [ 39.826269] direct_entry.col[ 49.012214] ? refcount_warn_saturate+0x74/0x110 d+0x2c/0x38 # [ 39.830648] full_proxy_write+0x53/0x80 # [ [ 49.023586] ? refcount_warn_saturate+0x74/0x110 39.834933] vfs_write+0xe7/0x3b0 # [ 39.838636] ksys_write+[ 49.034962] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 0x68/0xf0 # [ 39.842334] do_syscall_64+0x30/0x40 # [ 39.8[ 49.046144] direct_entry.cold+0x2c/0x38 46327] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.85196[ 49.056743] full_proxy_write+0x53/0x80 4] RIP: 0033:0x7ff57d583473 # [ 39.855951] Code: 8b 15 21 2a [ 49.067243] vfs_write+0xe7/0x3b0 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 49.077158] ksys_write+0x68/0xf0 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 49.087079] do_syscall_64+0x30/0x40 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.[ 49.097286] entry_SYSCALL_64_after_hwframe+0x61/0xc6 876929] RSP: 002b:00007ffd743228d8 EFLAGS: 00000246 ORIG_RAX: 00[ 49.109147] RIP: 0033:0x7fd254122473 00000000000001 # [ 39.885372] RAX: ffffffffffffffda RBX: 0000[ 49.119354] 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 00000000000c RCX: 00007ff57d583473 # [ 39.893339] RDX: 000000[ 49.146562] RSP: 002b:00007ffcf333d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.161240] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd254122473 000000000c RSI: 00007ff57d477000 RDI: 0000000000000001 # [ 39[ 49.169214] RDX: 0000000000000012 RSI: 00007fd254016000 RDI: 0000000000000001 [ 49.183401] RBP: 00007fd254016000 R08: 00007fd254015010 R09: 0000000000000000 .901306] RBP: 00007ff57d477000 R08: 00007ff57d476010 R09: 000000[ 49.191375] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.205563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000 # [ 39.909274] R10: fffffffffffffbc5 R11: 00000000[ 49.213540] irq event stamp: 0 00000246 R12: 0000000000000001 # [ 39.917242] R13: 0000000000[ 49.223158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.925[ 49.236379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 214] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec[ 49.251733] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 49.267091] softirqs last disabled at (0): [<0000000000000000>] 0x0 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 49.274092] ---[ end trace e2cd4c44169b9e8e ]--- [ 49.285461] lkdtm: Zero detected: saturated o_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.977686] CR2: 0000000000000000 # [ 39.981384] ---[ end trace e2cd4c44169b9e81 ]--- # [ 39.986539] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.990914] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 40.011894] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 40.017725] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.025692] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 40.033658] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 40.041627] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.049593] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f000 # [ 40.057562] FS: 00007ff57d66d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 40.066589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.073003] CR2: 0000000000000000 CR3: 0000000103d36005 CR4: 00000000003706f0 # [ 40.080973] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.090882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1826, name: cat # [ 40.099334] INFO: lockdep is turned off. # [ 40.103709] irq event stamp: 0 # [ 40.107114] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.114104] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.123227] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 40.13236[ 49.488878] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 49.495840] lkdtm: attempting bad refcount_inc() from saturated [ 49.502481] ------------[ cut here ]------------ [ 49.507673] refcount_t: saturated; leaking memory. [ 49.513078] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 49.522520] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 49.581225] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 49.589906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.596715] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 49.602551] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 [ 49.623536] RSP: 0018:ffffb25142c7fe48 EFLAGS: 00010286 [ 49.629372] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 49.637343] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 49.645305] RBP: ffffffffbd9f91d5 R08: 0000000000000000 R09: 0000000000000000 [ 49.653276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 49.661247] R13: ffffb25142c7ff10 R14: ffffb25142c7ff10 R15: ffff9dcb06bdb000 [ 49.669218] FS: 00007f66fc24d580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 49.678256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.684665] CR2: 00007f66fc057000 CR3: 0000000104468003 CR4: 00000000003706e0 [ 49.692636] Call Trace: [ 49.695368] ? __warn+0x80/0x110 [ 49.699000] ? refcount_warn_saturate+0x51/0x110 [ 49.704157] ? report_bug+0x9e/0xc0 [ 49.708053] ? handle_bug+0x41/0x90 [ 49.711970] ? exc_invalid_op+0x14/0x70 [ 49.716251] ? asm_exc_invalid_op+0x12/0x20 [ 49.720925] ? refcount_warn_saturate+0x51/0x110 [ 49.726105] ? refcount_warn_saturate+0x51/0x110 [ 49.731260] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 49.736708] direct_entry.cold+0x2c/0x38 [ 49.741089] full_proxy_write+0x53/0x80 [ 49.745373] vfs_write+0xe7/0x3b0 [ 49.749072] ksys_write+0x68/0xf0 [ 49.752772] do_syscall_64+0x30/0x40 [ 49.756767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 40.139357] CPU: 0 PID: 1826 Comm: cat Tainted: G D W [ 49.762440] RIP: 0033:0x7f66fc163473 5.10.184-cip36 #1 # [ 40.148002] Hardware name: Google Ra[ 49.772648] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.799845] RSP: 002b:00007ffc778778e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.808334] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66fc163473 [ 49.816306] RDX: 0000000000000017 RSI: 00007f66fc057000 RDI: 0000000000000001 [ 49.824278] RBP: 00007f66fc057000 R08: 00007f66fc056010 R09: 0000000000000000 [ 49.832248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.840222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.848197] irq event stamp: 0 [ 49.851627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.858628] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 49.867766] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 49.876902] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.883904] ---[ end trace e2cd4c44169b9e8f ]--- [ 49.889060] lkdtm: Saturation detected: still saturated mmus/Rammus, BIOS 09/04/2020 # [ 40.154805] Call Trace: # [ 40.157530] dump_stack+0x77/0x9b # [ 40.161218] ___might_sleep.cold+0xa6/0xb6 # [ 40.165782] exit_signals+0x1c/0x300 # [ 40.169770] do_exit+0xc2/0xab0 # [ 40.173264] ? ksys_write+0x68/0xf0 # [ 40.177157] make_task_dead+0x2f/0x30 # [ 40.181242] rewind_stack_and_make_dead+0x17/0x20 # [ 40.186485] RIP: 0033:0x7ff57d583473 # [ 40.190472] 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 # [ 40.211453] RSP: 002b:00007ffd743228d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.219908] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff57d583473 # [ 40.227878] RDX: 000000000000000c RSI: 00007ff57d477000 RDI: 0000000000000001 # [ 40.235847] RBP: 00007ff57d477000 R08: 00007ff57d476010 R09: 0000000000000000 # [ 40.243815] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.251783] 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 # [ 40.476639] lkdtm: Performing direct entry WRITE_RO # [ 40.482747] lkdtm[ 50.023367] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 50.032479] lkdtm: attempting bad refcount_dec() from saturated [ 50.039125] ------------[ cut here ]------------ : attempting bad rodata write at ffffffffbd57ed10 # [ 40.4958[ 50.044284] refcount_t: decrement hit 0; leaking memory. 74] BUG: unable to handle page fault for address: ffffffffbd57ed[ 50.056442] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 10 # [ 40.509761] #PF: supervisor write access in kernel mode[ 50.072078] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 50.130803] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 40.515594] #PF: error_code(0x0003) - permissions violati[ 50.139471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.152482] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 50.158319] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 50.179325] RSP: 0018:ffffb25142d27e48 EFLAGS: 00010286 [ 50.185164] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 50.193138] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 50.201110] RBP: ffffffffbd9f91ec R08: 0000000000000000 R09: 0000000000000000 [ 50.209083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 50.217056] R13: ffffb25142d27f10 R14: ffffb25142d27f10 R15: ffff9dcb05d1b000 [ 50.225029] FS: 00007f966640e580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 50.234070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.240487] CR2: 00007f9666218000 CR3: 0000000103c6e005 CR4: 00000000003706e0 [ 50.248460] Call Trace: [ 50.251195] ? __warn+0x80/0x110 on # [ 40.521814] PGD 1ce29067 P4D 1ce29067 PUD 1ce2a063 PMD [ 50.254820] ? refcount_warn_saturate+0xfb/0x110 800000001c6000e1 # [ 40.529303] Oops: 0003 [#14] SMP PTI # [ 50.266188] ? report_bug+0x9e/0xc0 [ 40.533293] CPU: 1 PID: 1861 Comm: cat Tainted: G D W [ 50.276303] ? handle_bug+0x41/0x90 5.10.184-cip36 #1 # [ 40.541943] Hardware name: Google [ 50.286409] ? exc_invalid_op+0x14/0x70 Rammus/Rammus, BIOS 09/04/2020 # [ 40.548757] RIP: 0010:lkdt[ 50.296914] ? asm_exc_invalid_op+0x12/0x20 m_WRITE_RO+0x2e/0x3a # [ 40.553720] Code: 00 48 c7 c7 18 9f 9[ 50.307805] ? refcount_warn_saturate+0xfb/0x110 f bd 48 c7 c6 10 ed 57 bd e8 c4 d9 fb ff 48 8b 05 3c 16 97 00 ba[ 50.319178] ? refcount_warn_saturate+0xfb/0x110 34 12 cd ab 48 c7 c7 48 9f 9f bd 48 31 d0 <48> 89 05 26 16 97 0[ 50.330552] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 0 e9 a2 d9 fb ff 0f 1f 44 00 00 48 8b 05 35 0c # [ 40.580919][ 50.342222] direct_entry.cold+0x2c/0x38 RSP: 0018:ffffb2514249fe60 EFLAGS: 00010202 # [ 40.586746] R[ 50.352819] full_proxy_write+0x53/0x80 AX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000[ 50.363322] vfs_write+0xe7/0x3b0 # [ 40.594708] RDX: 00000000abcd1234 RSI: ffff9dcb7ac9bf70 R[ 50.373239] ksys_write+0x68/0xf0 DI: ffffffffbd9f9f48 # [ 40.602698] RBP: ffffffffbd9f9135 R08[ 50.383158] do_syscall_64+0x30/0x40 : 0000000000000000 R09: 0000000000000000 # [ 40.610669] R10: [ 50.393365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 50.405226] RIP: 0033:0x7f9666324473 [ 40.618638] R13: ffffb2514249ff10 R14: ffffb2514249ff10 R15: [ 50.415434] 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 ffff9dcb04470000 # [ 40.626607] FS: 00007f2d3e778580(0000) G[ 50.442641] RSP: 002b:00007ffc0cba5f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.457320] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9666324473 S:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 40.635646[ 50.465296] RDX: 0000000000000017 RSI: 00007f9666218000 RDI: 0000000000000001 [ 50.479483] RBP: 00007f9666218000 R08: 00007f9666217010 R09: 0000000000000000 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.64[ 50.487459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.501646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2063] CR2: ffffffffbd57ed10 CR3: 0000000103d5a006 CR4: 000000000[ 50.509624] irq event stamp: 0 03706e0 # [ 40.650032] Call Trace: # [ 40.652759] ? __die[ 50.519240] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _body.cold+0x1a/0x1f # [ 40.657140] ? no_context+0x177/0x380[ 50.532462] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.667439] ? exc_page_fault+0xd7/0x170 # [ 40.671818[ 50.547819] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 50.563176] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] ? asm_exc_page_fault+0x1e/0x30 # [ 40.682705] ? lkdtm_WRI[ 50.570178] ---[ end trace e2cd4c44169b9e90 ]--- [ 50.581546] lkdtm: Saturation detected: still saturated TE_RO+0x2e/0x3a # [ 40.693202] direct_entry.cold+0x2c/0x38 # [ 40.697581] full_proxy_write+0x53/0x80 # [ 40.701865] vfs_write+0xe7/0x3b0 # [ 40.711774] ksys_write+0x68/0xf0 # [ 40.715473] do_syscall_64+0x30/0x40 # [ 40.719462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.725103] RIP: 0033:0x7f2d3e68e473 # [ 40.729081] 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 # [ 40.750066] RSP: 002b:00007ffc8506a9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.758523] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f2d3e68e473 # [ 40.766492] RDX: 0000000000000009 RSI: 00007f2d3e582000 RDI: 0000000000000001 # [ 40.774461] RBP: 00007f2d3e582000 R08: 00007f2d3e581010 R09: 0000000000000000 # [ 40.782431] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.790400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.798373] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros[ 50.730555] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED _usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_ta[ 50.743423] lkdtm: attempting bad refcount_dec() from saturated ble # [ 40.857040] CR2: ffffffffbd57ed10 # [ 40.860750] --[ 50.756247] ------------[ cut here ]------------ -[ end trace e2cd4c44169b9e82 ]--- # [ 40.865906] RIP: 0010:l[ 50.767620] refcount_t: saturated; leaking memory. kdtm_BUG+0x5/0x10 # [ 40.870283] Code: 89 ff e8 ce e6 79 ff 4[ 50.779216] WARNING: CPU: 1 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 50.794833] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 50.853506] CPU: 1 PID: 2368 Comm: cat Tainted: G D W 5.10.184-cip36 #1 0 00 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 # [ 40.891268] RS[ 50.868379] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 P: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 40.897092] RAX:[ 50.881403] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 #[ 50.893457] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 [ 40.905061] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI:[ 50.920662] RSP: 0018:ffffb25142d77e48 EFLAGS: 00010286 ffffffffbd57e890 # [ 40.913030] RBP: ffffffffbda5d600 R08: 0[ 50.932719] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 000000000000001 R09: 0000000000000001 # [ 40.921000] R10: 000[ 50.946910] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 50.961098] RBP: ffffffffbd9f9203 R08: 0000000000000000 R09: 0000000000000000 40.928968] R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: fff[ 50.975288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 f9dcb0431f000 # [ 40.936938] FS: 00007f2d3e778580(0000) GS:f[ 50.989479] R13: ffffb25142d77f10 R14: ffffb25142d77f10 R15: ffff9dcb0279e000 fff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 40.945977] C[ 51.003671] FS: 00007f0a2b622580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.95239[ 51.018929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2] CR2: ffffffffbd57ed10 CR3: 0000000103d5a006 CR4: 000000000037[ 51.031569] CR2: 00007f0a2b42c000 CR3: 0000000103232003 CR4: 00000000003706e0 06e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm:[ 51.045758] Call Trace: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Kill[ 51.054710] ? __warn+0x80/0x110 ed # [ 41.081337] lkdtm: Performing direct entry WRITE_RO_AFT[ 51.064527] ? refcount_warn_saturate+0x51/0x110 ER_INIT # [ 41.091222] lkdtm: attempting bad ro_after_init wr[ 51.075903] ? report_bug+0x9e/0xc0 ite at ffffffffbda7e330 # [ 41.098861] BUG: unable to handle [ 51.086016] ? handle_bug+0x41/0x90 page fault for address: ffffffffbda7e330 # [ 41.106551] #PF: [ 51.096128] ? exc_invalid_op+0x14/0x70 supervisor write access in kernel mode # [ 41.112386] #PF: er[ 51.106629] ? asm_exc_invalid_op+0x12/0x20 ror_code(0x0003) - permissions violation # [ 41.124817] PGD 1[ 51.117522] ? refcount_warn_saturate+0x51/0x110 [ 51.128896] ? refcount_warn_saturate+0x51/0x110 ce29067 P4D 1ce29067 PUD 1ce2a063 PMD 105957063 PTE 800000001cc7[ 51.134056] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 e061 # [ 41.139781] Oops: 0003 [#15] SMP PTI # [ 41.143771[ 51.145718] direct_entry.cold+0x2c/0x38 ] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.18[ 51.156316] full_proxy_write+0x53/0x80 4-cip36 #1 # [ 41.152419] Hardware name: Google Rammus/Rammus[ 51.166816] vfs_write+0xe7/0x3b0 [ 51.176749] ksys_write+0x68/0xf0 , BIOS 09/04/2020 # [ 41.159226] RIP: 0010:lkdtm_WRITE_RO_AF[ 51.180453] do_syscall_64+0x30/0x40 [ 51.190654] entry_SYSCALL_64_after_hwframe+0x61/0xc6 TER_INIT+0x4e/0x5a # [ 41.165252] Code: 9f 9f bd e9 76 d9 fb [ 51.196299] RIP: 0033:0x7f0a2b538473 [ 51.206500] 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 48 c7 c7 a0 9f 9f bd e8 6a d9 fb ff 48 8b 05 02 0c e7 00 ba 3[ 51.227494] RSP: 002b:00007ffe15c257d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.242165] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0a2b538473 4 12 cd ab 48 c7 c7 48 9f 9f bd 48 31 d0 <48> 89 05 ec 0b e7 00 [ 51.250141] RDX: 0000000000000017 RSI: 00007f0a2b42c000 RDI: 0000000000000001 [ 51.264327] RBP: 00007f0a2b42c000 R08: 00007f0a2b42b010 R09: 0000000000000000 e9 48 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 41.186230] R[ 51.272303] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.286490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SP: 0018:ffffb25142677e60 EFLAGS: 00010202 # [ 41.192062] RAX[ 51.294488] irq event stamp: 0 : 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 51.304089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.200029] RDX: 00000000abcd1234 RSI: ffff9dcb7ad9bf70 RDI[ 51.317313] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 : ffffffffbd9f9f48 # [ 41.207998] RBP: ffffffffbd9f913e R08: [ 51.332667] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0000000000000000 R09: 0000000000000000 # [ 41.215964] R10: 00[ 51.348026] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ [ 51.361245] ---[ end trace e2cd4c44169b9e91 ]--- 41.223933] R13: ffffb25142677f10 R14: ffffb25142677f10 R15: ff[ 51.372620] lkdtm: Saturation detected: still saturated ff9dcb03c6f000 # [ 41.231902] FS: 00007f7458175580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 41.240938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.247353] CR2: ffffffffbda7e330 CR3: 00000001026c8003 CR4: 00000000003706e0 # [ 41.255319] Call Trace: # [ 41.258048] ? __die_body.cold+0x1a/0x1f # [ 41.262426] ? no_context+0x177/0x380 # [ 41.266503] ? exc_page_fault+0xd7/0x170 # [ 41.270880] ? asm_exc_page_fault+0x1e/0x30 # [ 41.275552] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 41.280899] direct_entry.cold+0x2c/0x38 # [ 41.285267] full_proxy_write+0x53/0x80 # [ 41.289547] vfs_write+0xe7/0x3b0 # [ 41.293243] ksys_write+0x68/0xf0 # [ 41.296940] do_syscall_64+0x30/0x40 # [ 41.300918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.306556] RIP: 0033:0x7f745808b473 # [ 41.310534] 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 # [ 41.331511] RSP: 002b:00007ffe5d7e8288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.339955] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f745808b473 # [ 41.347922] RDX: 0000000000[ 51.505730] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 51.516825] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 51.524315] ------------[ cut here ]------------ [ 51.529473] refcount_t: saturated; leaking memory. [ 51.534853] WARNING: CPU: 3 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 000014 RSI: 00007f7457f7f000 RDI: 0000000000000001 # [ 41.355[ 51.544290] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 51.602961] CPU: 3 PID: 2400 Comm: cat Tainted: G D W 5.10.184-cip36 #1 890] RBP: 00007f7457f7f000 R08: 00007f7457f7e010 R09: 0000000000[ 51.611616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.624642] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 51.630509] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 [ 51.651500] RSP: 0018:ffffb25142e2fe38 EFLAGS: 00010282 [ 51.657338] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 51.665316] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 [ 51.673323] RBP: ffffffffbd9f8e30 R08: 0000000000000000 R09: 0000000000000000 [ 51.681319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 51.689284] R13: ffffb25142e2ff10 R14: ffffb25142e2ff10 R15: ffff9dcb026cc000 [ 51.697257] FS: 00007ff7a5417580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 [ 51.706297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.712717] CR2: 00007ff7a5221000 CR3: 00000001044f6002 CR4: 00000000003706e0 [ 51.720701] Call Trace: 000000 # [ 41.363856] R10: fffffffffffffbc5 R11: 000000000000[ 51.723436] ? __warn+0x80/0x110 [ 51.733248] ? refcount_warn_saturate+0x97/0x110 [ 51.738404] ? report_bug+0x9e/0xc0 [ 51.742299] ? handle_bug+0x41/0x90 [ 51.746193] ? exc_invalid_op+0x14/0x70 [ 51.750477] ? asm_exc_invalid_op+0x12/0x20 [ 51.755151] ? refcount_warn_saturate+0x97/0x110 [ 51.760308] ? refcount_warn_saturate+0x97/0x110 [ 51.765468] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 51.771595] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 51.777919] direct_entry.cold+0x2c/0x38 [ 51.782301] full_proxy_write+0x53/0x80 [ 51.786584] vfs_write+0xe7/0x3b0 [ 51.790284] ksys_write+0x68/0xf0 [ 51.793985] do_syscall_64+0x30/0x40 [ 51.797976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.803620] RIP: 0033:0x7ff7a532d473 [ 51.807612] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.828603] RSP: 002b:00007ffd8f69a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.837062] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff7a532d473 [ 51.845034] RDX: 0000000000000020 RSI: 00007ff7a5221000 RDI: 0000000000000001 [ 51.852998] RBP: 00007ff7a5221000 R08: 00007ff7a5220010 R09: 0000000000000000 [ 51.860963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.868936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.876912] irq event stamp: 0 0246 R12: 0000000000000001 # [ 41.371824] R13: 00000000000000[ 51.880346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 01 R14: 0000000000020000 R15: 0000000000020000 # [ 41.379794][ 51.893565] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sen[ 51.908920] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 51.924276] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.931278] ---[ end trace e2cd4c44169b9e92 ]--- [ 51.936435] lkdtm: Saturation detected: still saturated sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.438481] CR2: ffffffffbda7e330 # [ 41.442178] ---[ end trace e2cd4c44169b9e83 ]--- # [ 41.447323] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.451699] Code: 89 ff e8 ce e6 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 b0 55 e9 02 # [ 41.472696] RSP: 0018:ffffb2514132fe60 EFLAGS: 00010282 # [ 41.478528] RAX: ffffffffbc5795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.486497] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd57e890 # [ 41.494465] RBP: ffffffffbda5d600 R08: 0000000000000001 R09: 0000000000000001 # [ 41.502432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.510399] R13: ffffb2514132ff10 R14: ffffb2514132ff10[ 52.062513] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED R15: ffff9dcb0431f000 # [ 41.518367] FS: 00007f7458175580(0[ 52.074326] lkdtm: attempting bad refcount_add_not_zero() from saturated 000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 41.[ 52.088058] ------------[ cut here ]------------ 527393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 52.099436] refcount_t: saturated; leaking memory. 41.533806] CR2: ffffffffbda7e330 CR3: 00000001026c8003 CR4: 000[ 52.111015] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000003706e0 # [ 41.541773] BUG: sleeping function called fr[ 52.126652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table om invalid context at include/linux/percpu-rwsem.h:49 # [ 41.[ 52.185334] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.184-cip36 #1 551698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 52.200221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 896, name: cat # [ 41.560149] INFO: lockdep is turned off. #[ 52.213274] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 41.564524] irq event stamp: 0 # [ 41.567930] hardirqs la[ 52.225295] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 st enabled at (0): [<0000000000000000>] 0x0 # [ 41.574918] h[ 52.252540] RSP: 0018:ffffb25142eafe38 EFLAGS: 00010282 ardirqs last disabled at (0): [] copy_process+[ 52.264582] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0x664/0x1c60 # [ 41.584051] softirqs last enabled at (0): [<[ 52.278795] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 ffffffffbbafd844>] copy_process+0x664/0x1c60 # [ 41.593184] s[ 52.292969] RBP: ffffffffbd9f8e50 R08: 0000000000000000 R09: 0000000000000000 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41[ 52.307160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 .600182] CPU: 3 PID: 1896 Comm: cat Tainted: G D W [ 52.321353] R13: ffffb25142eaff10 R14: ffffb25142eaff10 R15: ffff9dcb04603000 5.10.184-cip36 #1 # [ 41.608830] Hardware name: Google Rammus[ 52.335557] FS: 00007f205b415580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 /Rammus, BIOS 09/04/2020 # [ 41.615631] Call Trace: # [ 4[ 52.350799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1.618358] dump_stack+0x77/0x9b # [ 41.622056] ___might_slee[ 52.363447] CR2: 00007f205b21f000 CR3: 0000000105c0a001 CR4: 00000000003706f0 p.cold+0xa6/0xb6 # [ 41.626628] exit_signals+0x1c/0x300 # [[ 52.377621] Call Trace: 41.630616] do_exit+0xc2/0xab0 # [ 41.634118] ? ksys_writ[ 52.386595] ? __warn+0x80/0x110 e+0x68/0xf0 # [ 41.638009] make_task_dead+0x2f/0x30 # [ 4[ 52.396394] ? refcount_warn_saturate+0x97/0x110 1.642096] rewind_stack_and_make_dead+0x17/0x20 # [ 41.647346[ 52.407797] ? report_bug+0x9e/0xc0 ] RIP: 0033:0x7f745808b473 # [ 41.651334] Code: 8b 15 21 2a 0[ 52.417889] ? handle_bug+0x41/0x90 e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 52.428007] ? exc_invalid_op+0x14/0x70 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 52.438503] ? asm_exc_invalid_op+0x12/0x20 f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.6[ 52.449407] ? refcount_warn_saturate+0x97/0x110 72317] RSP: 002b:00007ffe5d7e8288 EFLAGS: 00000246 ORIG_RAX: 000[ 52.460773] ? refcount_warn_saturate+0x97/0x110 0000000000001 # [ 41.680771] RAX: ffffffffffffffda RBX: 00000[ 52.472156] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000000014 RCX: 00007f745808b473 # [ 41.688749] RDX: 0000000[ 52.484484] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 000000014 RSI: 00007f7457f7f000 RDI: 0000000000000001 # [ 41.[ 52.497033] direct_entry.cold+0x2c/0x38 696719] RBP: 00007f7457f7f000 R08: 00007f7457f7e010 R09: 0000000[ 52.507647] full_proxy_write+0x53/0x80 000000000 # [ 41.704699] R10: fffffffffffffbc5 R11: 000000000[ 52.518148] vfs_write+0xe7/0x3b0 0000246 R12: 0000000000000001 # [ 41.712668] R13: 00000000000[ 52.528069] ksys_write+0x68/0xf0 00001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AF[ 52.538009] do_syscall_64+0x30/0x40 TER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_R[ 52.548182] entry_SYSCALL_64_after_hwframe+0x61/0xc6 O_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 52.560086] RIP: 0033:0x7f205b32b473 [ 41.850942] lkdtm: Performing direct entry WRITE_KERN # [ [ 52.570291] 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 41.856882] lkdtm: attempting bad 6896798 byte write at ffffffffb[ 52.597500] RSP: 002b:00007ffd57af8658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 cc0d64e # [ 41.864414] BUG: unable to handle page fault for a[ 52.612161] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f205b32b473 ddress: ffffffffbcc0d64e # [ 41.872109] #PF: supervisor write[ 52.626393] RDX: 0000000000000020 RSI: 00007f205b21f000 RDI: 0000000000000001 access in kernel mode # [ 41.884163] #PF: error_code(0x0003)[ 52.640568] RBP: 00007f205b21f000 R08: 00007f205b21e010 R09: 0000000000000000 - permissions violation # [ 41.890376] PGD 1ce29067 P4D 1ce2[ 52.654797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 9067 PUD 1ce2a063 PMD 1be000e1 # [ 41.897086] Oops: 0003 [#1[ 52.668950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6] SMP PTI # [ 41.907286] CPU: 3 PID: 1931 Comm: cat Tainted:[ 52.683181] irq event stamp: 0 G D W 5.10.184-cip36 #1 # [ 41.915933] Hardware[ 52.692790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.922756] [ 52.706009] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 41.927908] Code: 53 [ 52.721401] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 48 c7 c3 4e d6 c0 bc 49 89 dc 48 89 da 49 81 ec b0 99 57 bc 4c 8[ 52.736751] softirqs last disabled at (0): [<0000000000000000>] 0x0 9 e6 e8 1d d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 b0 99 57 bc [ 52.750008] ---[ end trace e2cd4c44169b9e93 ]--- a4 48 c7 c7 48 9f 9f bd e8 02 d9 fb ff 5b 41 5c e9 b7 fe ff ff [ 52.761370] lkdtm: Saturation detected: still saturated # [ 41.948891] RSP: 0018:ffffb251426ffe50 EFLAGS: 00010246 # [ 41.954725] RAX: 000000000000003c RBX: ffffffffbcc0d64e RCX: 0000000000693c9e # [ 41.962715] RDX: 0000000000000000 RSI: ffffffffbc5799b0 RDI: ffffffffbcc0d64e # [ 41.970696] RBP: ffffffffbd9f9152 R08: 0000000000000000 R09: 0000000000000000 # [ 41.978666] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693c9e # [ 41.986635] R13: ffffb251426fff10 R14: ffffb251426fff10 R15: ffff9dcb0272f000 # [ 41.994604] FS: 00007f582f3b2580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 42.003642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.010057] CR2: ffffffffbcc0d64e CR3: 00000001032fa003 CR4: 00000000003706e0 # [ 42.018026] Call Trace: # [ 42.020756] ? __die_body.cold+0x1a/0x1f # [ 42.025134] ? no_context+0x177/0x380 # [ 42.029222] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 42.034666] ? exc_page_fault+0xd7/0x170 # [ 42.039041] ? asm_exc_page_fault+0x1e/0x30 # [ 42.043710] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 42.049156] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 42.054016] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 42.059459] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 42.063933] direct_entry.cold+0x2c/0x38 # [ 42.068310] full_proxy_write+0x53/0x80 # [ 42.072592] vfs_write+0xe7/0x3b0 # [ 42.076288] ksys_write+0x68/0xf0 # [ 42.079987] do_syscall_64+0x30/0x40 # [ 42.083975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.089615] RIP: 0033:0x7f582f2c8473 # [ 42.093602] 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[ 52.933166] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 52.942887] lkdtm: attempting bad refcount_dec_and_test() from saturated 0 48 83 ec 28 48 89 54 24 18 # [ 42.114584] RSP: 002b:00007ff[ 52.956572] ------------[ cut here ]------------ f000ee8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.[ 52.967935] refcount_t: underflow; use-after-free. 123038] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5[ 52.979547] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 82f2c8473 # [ 42.131006] RDX: 000000000000000b RSI: 00007f582[ 52.995186] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table f1bc000 RDI: 0000000000000001 # [ 42.138975] RBP: 00007f582f1[ 53.053862] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.184-cip36 #1 bc000 R08: 00007f582f1bb010 R09: 0000000000000000 # [ 42.1469[ 53.068716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 44] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 53.081797] RIP: 0010:refcount_warn_saturate+0xba/0x110 00001 # [ 42.154912] R13: 0000000000000001 R14: 0000000000020[ 53.093823] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 000 R15: 0000000000020000 # [ 42.162884] Modules linked in: f[ 53.121037] RSP: 0018:ffffb25142f47e40 EFLAGS: 00010286 use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_[ 53.133106] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 core industrialio_triggered_buffer kfifo_buf industrialio snd_so[ 53.147313] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 c_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightb[ 53.161524] RBP: ffffffffbd9f8e70 R08: 0000000000000000 R09: 0000000000000000 ar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_[ 53.175717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf[ 53.189938] R13: ffffb25142f47f10 R14: ffffb25142f47f10 R15: ffff9dcb03d74000 2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videob[ 53.204119] FS: 00007fda97256580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 uf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notif[ 53.219392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 y cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 4[ 53.232022] CR2: 00007fda97060000 CR3: 0000000104400005 CR4: 00000000003706f0 2.221581] CR2: ffffffffbcc0d64e # [ 42.225277] ---[ end trace[ 53.246234] Call Trace: e2cd4c44169b9e84 ]--- # [ 42.230430] RIP: 0010:lkdtm_BUG+0x5[ 53.255263] ? __warn+0x80/0x110 /0x10 # [ 42.234806] Code: 89 ff e8 ce e6 79 ff 48 c7 c0 ea f[ 53.265033] ? refcount_warn_saturate+0xba/0x110 f ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff[ 53.276473] ? report_bug+0x9e/0xc0 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 53.286606] ? handle_bug+0x41/0x90 f 1f 44 00 00 83 05 b0 55 e9 02 # [ 42.255776] RSP: 0018:ffff[ 53.296730] ? exc_invalid_op+0x14/0x70 b2514132fe60 EFLAGS: 00010282 # [ 42.261610] RAX: ffffffffbc5[ 53.307219] ? asm_exc_invalid_op+0x12/0x20 795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.2695[ 53.318148] ? refcount_warn_saturate+0xba/0x110 78] RDX: 0000000000000000 RSI: ffff9dcb7ac9bf70 RDI: ffffffffbd5[ 53.329522] __refcount_sub_and_test.constprop.0+0x3c/0x50 7e890 # [ 42.277545] RBP: ffffffffbda5d600 R08: 0000000000000[ 53.341886] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 001 R09: 0000000000000001 # [ 42.285513] R10: 00000000ffffe00[ 53.354431] direct_entry.cold+0x2c/0x38 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.293481] [ 53.365070] full_proxy_write+0x53/0x80 R13: ffffb2514132ff10 R14: ffffb2514132ff10 R15: ffff9dcb0431f00[ 53.375549] vfs_write+0xe7/0x3b0 0 # [ 42.301449] FS: 00007f582f3b2580(0000) GS:ffff9dcb7ad80[ 53.385478] ksys_write+0x68/0xf0 000(0000) knlGS:0000000000000000 # [ 42.310485] CS: 0010 DS:[ 53.395389] do_syscall_64+0x30/0x40 0000 ES: 0000 CR0: 0000000080050033 # [ 42.316898] CR2: ffff[ 53.405644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffffbcc0d64e CR3: 00000001032fa003 CR4: 00000000003706e0 # WRIT[ 53.417487] RIP: 0033:0x7fda9716c473 E_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KER[ 53.427753] 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 N.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 42.484[ 53.454955] RSP: 002b:00007ffcb69634e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 977] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ [ 53.469682] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda9716c473 42.493398] lkdtm: attempting good refcount_inc() without overfl[ 53.483857] RDX: 0000000000000020 RSI: 00007fda97060000 RDI: 0000000000000001 ow # [ 42.506518] lkdtm: attempting bad refcount_inc() overfl[ 53.498084] RBP: 00007fda97060000 R08: 00007fda9705f010 R09: 0000000000000000 ow # [ 42.518760] ------------[ cut here ]------------ # [ [ 53.512266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 42.530129] refcount_t: saturated; leaking memory. # [ 42.541[ 53.526498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 721] WARNING: CPU: 1 PID: 1966 at lib/refcount.c:22 refcount_war[ 53.540683] irq event stamp: 0 n_saturate+0x51/0x110 # [ 42.557355] Modules linked in: fuse [ 53.550352] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core[ 53.563554] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da[ 53.578974] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar c[ 53.594299] softirqs last disabled at (0): [<0000000000000000>] 0x0 ros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_char[ 53.607556] ---[ end trace e2cd4c44169b9e94 ]--- ger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4[ 53.618920] lkdtm: Saturation detected: still saturated l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.616023] CPU: 1 PID: 1966 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 42.630891] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.643916] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 42.655967] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 # [ 42.683170] RSP: 0018:ffffb251427b7e48 EFLAGS: 00010286 # [ 42.695222] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 42.703196] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 42.717386] RBP: ffffffffbd9f915d R08: 0000000000000000 R09: 0000000000000000 # [ 42.731573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 42.745760] R13: ffffb251427b7f10 R14: ffffb251427b7f10 R15: ffff9dcb032fd000 # [ 42.753750] FS: 00007fde1df8b580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 42.769001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.775419] CR2: 00007fde1dd95000 CR3: 0000000104372004 CR4: 000000000[ 53.755903] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 53.769160] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 53.776659] ------------[ cut here ]------------ [ 53.781829] refcount_t: underflow; use-after-free. [ 53.787219] WARNING: CPU: 2 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 03706e0 # [ 42.783394] Call Trace: # [ 42.786127] ? __war[ 53.796661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 53.855335] CPU: 2 PID: 2502 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 53.863990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.870834] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 53.876691] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 n+0x80/0x110 # [ 42.795943] ? refcount_warn_saturate+0x51/0x[ 53.897694] RSP: 0018:ffffb25142fc7e40 EFLAGS: 00010286 110 # [ 42.801102] ? report_bug+0x9e/0xc0 # [ 42.811208] [ 53.909744] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 ? handle_bug+0x41/0x90 # [ 42.821316] ? exc_invalid_op+0x14[ 53.923934] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 [ 53.938128] RBP: ffffffffbd9f8e90 R08: 0000000000000000 R09: 0000000000000000 [ 53.946134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 53.954110] R13: ffffb25142fc7f10 R14: ffffb25142fc7f10 R15: ffff9dcb05a0c000 [ 53.962085] FS: 00007fc7d4127580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 [ 53.971129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.977549] CR2: 00007fc7d3f31000 CR3: 0000000103090003 CR4: 00000000003706e0 [ 53.985525] Call Trace: [ 53.988260] ? __warn+0x80/0x110 /0x70 # [ 42.825602] ? asm_exc_invalid_op+0x12/0x20 # [ 4[ 53.991895] ? refcount_warn_saturate+0xba/0x110 [ 54.003262] ? report_bug+0x9e/0xc0 [ 54.007192] ? handle_bug+0x41/0x90 [ 54.011119] ? exc_invalid_op+0x14/0x70 [ 54.015406] ? asm_exc_invalid_op+0x12/0x20 [ 54.020112] ? refcount_warn_saturate+0xba/0x110 [ 54.025304] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 54.031464] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 54.037792] direct_entry.cold+0x2c/0x38 [ 54.042205] full_proxy_write+0x53/0x80 [ 54.046513] vfs_write+0xe7/0x3b0 [ 54.050246] ksys_write+0x68/0xf0 [ 54.053952] do_syscall_64+0x30/0x40 [ 54.057974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.063621] RIP: 0033:0x7fc7d403d473 [ 54.067620] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.088614] RSP: 002b:00007ffd19f1c368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.097106] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc7d403d473 [ 54.105081] RDX: 0000000000000020 RSI: 00007fc7d3f31000 RDI: 0000000000000001 [ 54.113057] RBP: 00007fc7d3f31000 R08: 00007fc7d3f30010 R09: 0000000000000000 [ 54.121033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.129008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.136990] irq event stamp: 0 [ 54.140429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.147434] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 54.156606] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 54.165758] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.172762] ---[ end trace e2cd4c44169b9e95 ]--- [ 54.177921] lkdtm: Saturation detected: still saturated 2.836486] ? refcount_warn_saturate+0x51/0x110 # [ 42.847857] ? refcount_warn_saturate+0x51/0x110 # [ 42.853041] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 42.864602] direct_entry.cold+0x2c/0x38 # [ 42.868985] full_proxy_write+0x53/0x80 # [ 42.879479] vfs_write+0xe7/0x3b0 # [ 42.889397] ksys_write+0x68/0xf0 # [ 42.893100] do_syscall_64+0x30/0x40 # [ 42.903301] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.908945] RIP: 0033:0x7fde1dea1473 # [ 42.919147] 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 # [ 42.940132] RSP: 002b:00007ffd835d32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.954801] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde1dea1473 # [ 42.968990] RDX: 0000000000000016 RSI: 00007fde1dd95000 RDI: 0000000000000001 # [ 42.976964] RBP: 00007fde1dd95000 R08: 00007fde1dd94010 R09: 0000000000000000 # [ 42.991151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.999127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.013318] irq event stamp: 0 # [ 43.022941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.029944] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.045294] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.054436] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.067650] ---[ end trace e2cd4c44169b9e85 ]--- # [ 43.072808] 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 # [ 43.210636] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 43.221525] lkdtm: attempting good refcount_add() without overflow # [ 43.228465] lkdtm: attempting bad refcount_add() overflow # [ 43.240697] ------------[ cut here ]------------ # [ 43.252068] refcount_t: saturated; leaking memory. # [ 43.257441] WARNING: CPU: 2 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.273065] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.331762] CPU: 2 PID: 1998 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 43.340447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.347260] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 43.353129] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 # [ 43.374122] RSP: 0018:ffffb25142837e48 EFLAGS: 00010286 # [ 43.379979] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 43.387954] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 43.395928] RBP: ffffffffbd9f9173 R08: 0000000000000000 R09: 0000000000000000 # [ 43.403903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 43.411877] R13: ffffb25142837f10 R14: ffffb25142837f10 R15: ffff9dcb03f3a000 # [ 43.419854] FS: 00007f47a5dcb580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 43.428898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.435318] CR2: 00007f47a5bd5000 CR3: 000000010462c002 CR4: 00000000003706e0 # [ 43.443291] Call Trace: # [ 43.446026] ? __warn+0x80/0x110 # [ 43.449658] ? refcount_warn_saturate+0x51/0x110 # [ 43.461027] ? report_bug+0x9e/0xc0 # [ 43.464929] ? handl[ 54.589555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 54.599321] lkdtm: attempting good copy_to_user of correct size [ 54.605949] lkdtm: attempting bad copy_to_user of too large size e_bug+0x41/0x90 # [ 43.468856] ? exc_invalid_op+0x14/0x70 # [ 43.473140] ? asm_exc_invalid_op+0x12/0x20 # [ 43.477818] ? refcount_warn_saturate+0x51/0x110 # [ 43.483005] ? refcount_warn_saturate+0x51/0x110 # [ 43.488165] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 43.493546] direct_entry.cold+0x2c/0x38 # [ 43.497931] full_proxy_write+0x53/0x80 # [ 43.502248] vfs_write+0xe7/0x3b0 # [ 43.505982] ksys_write+0x68/0xf0 # [ 43.509719] do_syscall_64+0x30/0x40 # [ 43.513727] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.519401] RIP: 0033:0x7f47a5ce1473 # [ 43.523396] 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 # [ 43.544387] RSP: 002b:00007ffda8dcf468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.552852] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f47a5ce1473 # [ 43.567041] RDX: 0000000000000016 RSI: 00007f47a5bd5000 RDI: 0000000000000001 # [ 43.575016] RBP: 00007f47a5bd5000 R08: 00007f47a5bd4010 R09: 0000000000000000 # [ 43.589204] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.597209] R13: 0000000000000001[ 54.731630] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM R14: 0000000000020000 R15: 0000000000020000 # [ 43.605188] i[ 54.743967] lkdtm: attempting good copy_from_user of correct size rq event stamp: 0 # [ 43.608629] hardirqs last enabled at (0[ 54.756998] lkdtm: attempting bad copy_from_user of too large size ): [<0000000000000000>] 0x0 # [ 43.615634] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.624776] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.633917] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.640946] ---[ end trace e2cd4c44169b9e86 ]--- # [ 43.646119] 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 # [ 43.788875] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 43.801804] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 43.814916] ------------[ cut here ]------------ # [ 43.826271] refcount_t: saturated; leaking memory. # [ 43.837916] WARNING: CPU: 0 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 43.853556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf[ 54.896289] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify [ 54.907843] lkdtm: attempting good copy_to_user inside whitelist cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.[ 54.920742] lkdtm: attempting bad copy_to_user outside whitelist 912216] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 43.927128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.940128] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 43.952207] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 # [ 43.979391] RSP: 0018:ffffb25142897e38 EFLAGS: 00010282 # [ 43.991466] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 44.005646] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 44.019917] RBP: ffffffffbd9f8db0 R08: 0000000000000000 R09: 0000000000000000 # [ 44.034063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.048281] R13: ffffb25142897f10 R14: ffffb25142897f10 R15: ffff9dcb030ba000 # [ 44.062445] FS: 00007f39f525d580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 44.077715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.090341] CR2: 00007f39f5067000 CR3: 0000000104432005 CR4: 00000000003706f0 # [ 44.104543] Call Trace: # [ 44.113506] ? __warn+0x80/0x110 # [ 44.123352] ? refcount_warn_saturate+0x97/0x110 # [ 44.134727] ? report_bug+0x9e/0xc0 # [ 44.144865[ 55.058998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 55.071579] lkdtm: attempting good copy_from_user inside whitelist [ 55.078506] lkdtm: attempting bad copy_from_user outside whitelist ] ? handle_bug+0x41/0x90 # [ 44.154972] ? exc_invalid_op+0x14/0x70 # [ 44.165510] ? asm_exc_invalid_op+0x12/0x20 # [ 44.176369] ? refcount_warn_saturate+0x97/0x110 # [ 44.187742] ? refcount_warn_saturate+0x97/0x110 # [ 44.199118] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 44.211469] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 44.223901] direct_entry.cold+0x2c/0x38 # [ 44.234508] full_proxy_write+0x53/0x80 # [ 44.245001] vfs_write+0xe7/0x3b0 # [ 44.254928] ksys_write+0x68/0xf0 # [ 44.264835] do_syscall_64+0x30/0x40 # [ 44.275054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.286906] RIP: 0033:0x7f39f5173473 # [ 44.297115] 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 # [ 44.324343] RSP: 002b:00007ffce4ec45b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.339046] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f39f5173473 # [ 44.353191] RDX: 000000000000001f RSI: 00007f39f5067000 RDI: 0000000000000001 # [ 44.367392] RBP: 00007f39f5067000 R08: 00007f39f5066010 R09: 0000000000000000 # [ 44.381577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.395770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 55.220244] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 55.229120] lkdtm: good_stack: ffffb25143377e20-ffffb25143377e40 [ 55.235847] lkdtm: bad_stack : ffffb25143377da8-ffffb25143377dc8 # [ 44.409962] irq event stamp: 0 # [ 44.419592] hardirqs[ 55.242587] lkdtm: attempting good copy_to_user of local stack [ 55.255309] lkdtm: attempting bad copy_to_user of distant stack last enabled at (0): [<0000000000000000>] 0x0 # [ 44.432824] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.448221] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.463543] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.476773] ---[ end trace e2cd4c44169b9e87 ]--- # [ 44.488135] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 44.633788] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 44.643884] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 44.650789] ------------[ cut here ]------------ # [ 44.655947] refcount_t: saturated; leaking memory. # [ 44.661327] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 44.670764] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub vi[ 55.382634] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM deobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_the[ 55.393458] lkdtm: good_stack: ffffb25143427e20-ffffb25143427e40 rmal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine[ 55.406416] lkdtm: bad_stack : ffffb25143427da8-ffffb25143427dc8 regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chr[ 55.419346] lkdtm: attempting good copy_from_user of local stack omeos_pstore coreboot_table # [ 44.729433] CPU: 3 PID: 2062 C[ 55.432226] lkdtm: attempting bad copy_from_user of distant stack omm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 44.738113] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.751133] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 44.756970] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 # [ 44.777959] RSP: 0018:ffffb2514291fe38 EFLAGS: 00010282 # [ 44.790008] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 44.797982] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 44.812167] RBP: ffffffffbd9f8dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 44.820140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.828112] R13: ffffb2514291ff10 R14: ffffb2514291ff10 R15: ffff9dcb04918000 # [ 44.836084] FS: 00007f90d3610580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 44.845131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.851581] CR2: 00007f90d341a000 CR3: 00000001044b6003 CR4: 00000000003706e0 # [ 44.859575] Call Trace: # [ 44.862307] ? __warn+0x80/0x110 # [ 44.865939] ? refcount_warn_saturate+0x97/0x110 # [ 44.877305] ?[ 55.564208] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND report_bug+0x9e/0xc0 # [ 44.881200] ? handle_bug+0x41/0x90 [ 55.576296] lkdtm: good_stack: ffffb251434afe20-ffffb251434afe40 # [ 44.885092] ? exc_invalid_op+0x14/0x70 # [ 44.889375] [ 55.589255] lkdtm: bad_stack : ffffb251434afff8-ffffb251434b0018 ? asm_exc_invalid_op+0x12/0x20 # [ 44.894049] ? refcount_wa[ 55.602230] lkdtm: attempting good copy_to_user of local stack rn_saturate+0x97/0x110 # [ 44.899229] ? refcount_warn_satura[ 55.615091] lkdtm: attempting bad copy_to_user of distant stack te+0x97/0x110 # [ 44.904385] __refcount_add_not_zero.constpr[ 55.627820] lkdtm: copy_to_user failed, but lacked Oops op.0+0x2a/0x35 # [ 44.910513] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 44.916756] direct_entry.cold+0x2c/0x38 # [ 44.921137] full_proxy_write+0x53/0x80 # [ 44.925421] vfs_write+0xe7/0x3b0 # [ 44.929121] ksys_write+0x68/0xf0 # [ 44.932822] do_syscall_64+0x30/0x40 # [ 44.936815] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.942456] RIP: 0033:0x7f90d3526473 # [ 44.946447] 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 # [ 44.967436] RSP: 002b:00007ffd3c337df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.975894] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f90d3526473 # [ 44.983859] RDX: 000000000000001f RSI: 00007f90d341a000 RDI: 0000000000000001 # [ 44.991831] RBP: 00007f90d341a000 R08: 00007f90d3419010 R09: 0000000000000000 # [ 44.999802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.007775] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.015757] irq event stamp: 0 # [ 45.019189] hardirqs last enabled at (0): [<0[ 55.756021] lkdtm: Performing direct entry USERCOPY_KERNEL 000000000000000>] 0x0 # [ 45.026190] hardirqs last disabled a[ 55.764076] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd57ed30 t (0): [] copy_process+0x664/0x1c60 # [ 45.[ 55.778967] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbbce1430 035325] softirqs last enabled at (0): [] copy[ 55.793549] lkdtm: FAIL: survived bad copy_to_user() _process+0x664/0x1c60 # [ 45.044454] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.051455] ---[ end trace e2cd4c44169b9e88 ]--- # [ 45.056610] 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 # [ 45.221634] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 45.229593] lkdtm: attempting good refcount_dec() # [ 45.234878] lkdtm: attempting bad refcount_dec() to zero # [ 45.240811] ------------[ cut here ]------------ # [ 45.245968] refcount_t: decrement hit 0; leaking memory. # [ 45.251928] WARNING: CPU: 3 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 45.267579] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.326284] CPU: 3 PID: 2094 C[ 55.931441] lkdtm: Performing direct entry STACKLEAK_ERASING omm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 45[ 55.942158] lkdtm: checking unused part of the thread stack (15928 bytes)... .334937] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.956286] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 45.341752] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.970257] lkdtm: FAIL: the thread stack is NOT properly erased [ 45.347590] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c[ 55.983170] CPU: 0 PID: 2867 Comm: cat Tainted: G D W 5.10.184-cip36 #1 [ 55.998016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.004819] Call Trace: [ 56.007550] dump_stack+0x77/0x9b [ 56.011253] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 56.016412] direct_entry.cold+0x2c/0x38 [ 56.020783] full_proxy_write+0x53/0x80 [ 56.025070] vfs_write+0xe7/0x3b0 [ 56.028774] ksys_write+0x68/0xf0 [ 56.032474] do_syscall_64+0x30/0x40 [ 56.036469] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.042108] RIP: 0033:0x7fa33ac75473 [ 56.046087] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.067058] RSP: 002b:00007fffad518ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.075515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa33ac75473 [ 56.083483] RDX: 0000000000000012 RSI: 00007fa33ab69000 RDI: 0000000000000001 [ 56.091441] RBP: 00007fa33ab69000 R08: 00007fa33ab68010 R09: 0000000000000000 [ 56.099408] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.107375] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 45.368580] RSP: 0018:ffffb251429a7e48 EFLAGS: 00010286 # [ 45.374416] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 45.382388] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 45.390362] RBP: ffffffffbd9f9189 R08: 0000000000000000 R09: 0000000000000000 # [ 45.398334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 45.406307] R13: ffffb251429a7f10 R14: ffffb251429a7f10 R15: ffff9dcb068d7000 # [ 45.414282] FS: 00007ff201e9a580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 45.423322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.429743] CR2: 00007ff201ca4000 CR3: 000000010461a005 CR4: 00000000003706e0 # [ 45.437753] Call Trace: # [ 45.440486] ? __warn+0x80/0x110 # [ 45.444118] ? refcount_warn_saturate+0xfb/0x110 # [ 45.449276] ? report_bug+0x9e/0xc0 # [ 45.453171] ? handle_bug+0x41/0x90 # [ 45.457086] ? exc_invalid_op+0x14/0x70 # [ 45.461360] ? asm_exc_invalid_op+0x12/0x20 # [ 45.466033] ? refcount_warn_saturate+0xfb/0x110 # [ 45.471215] ? refcount_warn_saturate+0xfb/0x110 # [ 45.476374] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 45.481360] direct_entry.cold+0x2c/0x38 # [ 45.485761] full_proxy_write+0x53/0x80 # [ 45.490047] vfs_write+0xe[ 56.253097] lkdtm: Performing direct entry CFI_FORWARD_PROTO 7/0x3b0 # [ 45.499962] ksys_write+0x68/0xf0 # [ 45.509879[ 56.264648] lkdtm: Calling matched prototype ... ] do_syscall_64+0x30/0x40 # [ 45.520091] entry_SYSCALL_64_a[ 56.276049] lkdtm: Calling mismatched prototype ... fter_hwframe+0x61/0xc6 # [ 45.525764] RIP: 0033:0x7ff201db047[ 56.287715] lkdtm: Fail: survived mismatched prototype function call! 3 # [ 45.529758] 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 # [ 45.550754] RSP: 002b:00007fff43ac7b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.559241] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff201db0473 # [ 45.567230] RDX: 0000000000000012 RSI: 00007ff201ca4000 RDI: 0000000000000001 # [ 45.581409] RBP: 00007ff201ca4000 R08: 00007ff201ca3010 R09: 0000000000000000 # [ 45.589382] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.597356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.605353] irq event stamp: 0 # [ 45.608774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.621985] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.631125] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.640264] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.647266] ---[ end trace e2cd4c44169b9e89 ]--- # [ 45.652421] 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 # [ 45.808385] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 45.819227] lkdtm: attempting bad refcount_dec() below zero # [ 45.831697] ------------[ cut here ]------------ # [ 45.843061] refcount_t: decrement hit 0; leaking memory. # [ 45.855253] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 45.870863] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.929552] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 45.944402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.957437] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 45.969481] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 45.996694] RSP: 0018:ffffb25142a2fe48 EFLAGS: 00010286 # [ 46.008732] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 46.022924] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 46.037113] RBP: ffffffffbd9f919b R08: 0000000000000000 R09: 0000000000000000 # [ 46.051308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.065484] R13: ffffb25142a2ff10 R14: ffffb25142a2ff10 R15: ffff9dcb03c3e000 # [ 46.079689] FS: 00007fdadb0a0580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 46.094925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.107555] CR2: 00007fdadaeaa000 CR3: 0000000103298002 CR4: 00000000003706f0 # [ 46.121729] Call Trace: # [ 46.130703] ? __warn+0x80/0x110 # [ 46.140500] ? refcount_warn_saturate+0xfb/0x110 # [ 46.151892] ? report_bug+0x9e/0xc0 # [ 46.161980] ? handle_bug+0x41/0x90 # [ 46.172108] ? exc_invalid_op+0x14/0x70 # [ 46.182592] ? asm_exc_invalid_op+0x12/0x20 # [ 46.193507] ? refcount_warn_saturate+0xfb/0x110 # [ 46.204858] ? refcount_warn_saturate+0xfb/0x110 # [ 46.216252] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 46.227801] direct_entry.cold+0x2c/0x38 # [ 46.238415] full_proxy_write+0x53/0x80 # [ 46.248900] vfs_write+0xe7/0x3b0 # [ 46.258815] ksys_write+0x68/0xf0 # [ 46.268762] do_syscall_64+0x30/0x40 # [ 46.278962] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.290818] RIP: 0033:0x7fdadafb6473 # [ 46.301033] 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 # [ 46.328226] RSP: 002b:00007ffcf6af8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.342913] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdadafb6473 # [ 46.357096] RDX: 0000000000000016 RSI: 00007fdadaeaa000 RDI: 0000000000000001 # [ 46.371292] RBP: 00007fdadaeaa000 R08: 00007fdadaea9010 R09: 0000000000000000 # [ 46.385471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.399670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.413855] irq event stamp: 0 # [ 46.423477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.436726] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.452073] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.467432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.480646] ---[ end trace e2cd4c44169b9e8a ]--- # [ 46.492028] 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 # [ 46.683038] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 46.691136] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 46.698263] ------------[ cut here ]------------ # [ 46.703461] refcount_t: underflow; use-after-free. # [ 46.708856] WARNING: CPU: 3 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 46.718297] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.776950] CPU: 3 PID: 2164 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 46.785635] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.792444] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 46.798284] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 46.819304] RSP: 0018:ffffb25142ad7e40 EFLAGS: 00010286 # [ 46.825143] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 46.833116] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 46.841092] RBP: ffffffffbd9f8df0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.849095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.857069] R13: ffffb25142ad7f10 R14: ffffb25142ad7f10 R15: ffff9dcb03c42000 # [ 46.865042] FS: 00007f3430065580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 46.874083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.880500] CR2: 00007f342fe6f000 CR3: 0000000105c04003 CR4: 00000000003706e0 # [ 46.888474] Call Trace: # [ 46.891208] ? __warn+0x80/0x110 # [ 46.894841] ? refcount_warn_saturate+0xba/0x110 # [ 46.906207] ? report_bug+0x9e/0xc0 # [ 46.910134] ? handle_bug+0x41/0x90 # [ 46.920233] ? exc_invalid_op+0x14/0x70 # [ 46.924519] ? asm_exc_invalid_op+0x12/0x20 # [ 46.929226] ? refcount_warn_saturate+0xba/0x110 # [ 46.934415] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 46.946763] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 46.953021] direct_entry.cold+0x2c/0x38 # [ 46.957435] full_proxy_write+0x53/0x80 # [ 46.961753] vfs_write+0xe7/0x3b0 # [ 46.971671] ksys_write+0x68/0xf0 # [ 46.981583] do_syscall_64+0x30/0x40 # [ 46.991793] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.997467] RIP: 0033:0x7f342ff7b473 # [ 47.001462] 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 # [ 47.022472] RSP: 002b:00007ffda1bf3858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.030932] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f342ff7b473 # [ 47.038930] RDX: 000000000000001f RSI: 00007f342fe6f000 RDI: 0000000000000001 # [ 47.046920] RBP: 00007f342fe6f000 R08: 00007f342fe6e010 R09: 0000000000000000 # [ 47.061096] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.069069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.077063] irq event stamp: 0 # [ 47.080484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.093710] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.102859] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.118203] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.125205] ---[ end trace e2cd4c44169b9e8b ]--- # [ 47.130361] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 47.324739] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 47.335844] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 47.342945] ------------[ cut here ]------------ # [ 47.354315] refcount_t: underflow; use-after-free. # [ 47.365910] WARNING: CPU: 1 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.381525] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.440230] CPU: 1 PID: 2199 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 47.455075] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.468100] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.480153] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 47.507356] RSP: 0018:ffffb25142a17e40 EFLAGS: 00010286 # [ 47.513220] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 47.527407] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 47.535382] RBP: ffffffffbd9f8e10 R08: 0000000000000000 R09: 0000000000000000 # [ 47.549567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.557542] R13: ffffb25142a17f10 R14: ffffb25142a17f10 R15: ffff9dcb05c1e000 # [ 47.565517] FS: 00007f5ec47cb580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 47.580771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.587192] CR2: 00007f5ec45d5000 CR3: 0000000103272004 CR4: 00000000003706e0 # [ 47.601378] Call Trace: # [ 47.604128] ? __warn+0x80/0x110 # [ 47.613927] ? refcount_warn_saturate+0xba/0x110 # [ 47.625304] ? report_bug+0x9e/0xc0 # [ 47.635416] ? handle_bug+0x41/0x90 # [ 47.645525] ? exc_invalid_op+0x14/0x70 # [ 47.656027] ? asm_exc_invalid_op+0x12/0x20 # [ 47.666921] ? refcount_warn_saturate+0xba/0x110 # [ 47.678294] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.690640] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 47.703085] direct_entry.cold+0x2c/0x38 # [ 47.713685] full_proxy_write+0x53/0x80 # [ 47.724188] vfs_write+0xe7/0x3b0 # [ 47.734107] ksys_write+0x68/0xf0 # [ 47.744026] do_syscall_64+0x30/0x40 # [ 47.754234] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.766095] RIP: 0033:0x7f5ec46e1473 # [ 47.776305] 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 # [ 47.803513] RSP: 002b:00007ffc01badad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.818188] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ec46e1473 # [ 47.832380] RDX: 000000000000001f RSI: 00007f5ec45d5000 RDI: 0000000000000001 # [ 47.846572] RBP: 00007f5ec45d5000 R08: 00007f5ec45d4010 R09: 0000000000000000 # [ 47.860764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.874956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.889155] irq event stamp: 0 # [ 47.898777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.912001] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.927360] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.942718] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.955940] ---[ end trace e2cd4c44169b9e8c ]--- # [ 47.967315] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 48.122147] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 48.134130] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 48.141238] lkdtm: Good: zero detected # [ 48.145428] lkdtm: Correctly stayed at zero # [ 48.150097] lkdtm: attempting bad refcount_inc() from zero # [ 48.156222] ------------[ cut here ]------------ # [ 48.161378] refcount_t: addition on 0; use-after-free. # [ 48.167131] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.182765] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.241493] CPU: 3 PID: 2231 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 48.250166] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.263177] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.269016] Code: 01 01 e8 c6 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 bd c6 05 4d f1 f6 01 01 e8 a3 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 # [ 48.296215] RSP: 0018:ffffb25142b97e48 EFLAGS: 00010286 # [ 48.302053] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 48.310025] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 48.317998] RBP: ffffffffbd9f91b1 R08: 0000000000000000 R09: 0000000000000000 # [ 48.325970] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.333942] R13: ffffb25142b97f10 R14: ffffb25142b97f10 R15: ffff9dcb05edd000 # [ 48.341914] FS: 00007f0a8a88d580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 48.350954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.357372] CR2: 00007f0a8a697000 CR3: 0000000104730003 CR4: 00000000003706e0 # [ 48.365334] Call Trace: # [ 48.368065] ? __warn+0x80/0x110 # [ 48.371701] ? refcount_warn_saturate+0x74/0x110 # [ 48.383075] ? report_bug+0x9e/0xc0 # [ 48.386972] ? handle_bug+0x41/0x90 # [ 48.390865] ? exc_invalid_op+0x14/0x70 # [ 48.395147] ? asm_exc_invalid_op+0x12/0x20 # [ 48.399819] ? refcount_warn_saturate+0x74/0x110 # [ 48.404999] ? refcount_warn_saturate+0x74/0x110 # [ 48.410154] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 48.415117] direct_entry.cold+0x2c/0x38 # [ 48.419500] full_proxy_write+0x53/0x80 # [ 48.423806] vfs_write+0xe7/0x3b0 # [ 48.427509] ksys_write+0x68/0xf0 # [ 48.437425] do_syscall_64+0x30/0x40 # [ 48.447632] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.459490] RIP: 0033:0x7f0a8a7a3473 # [ 48.463513] 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 # [ 48.484500] RSP: 002b:00007ffdae6a2938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.492980] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a8a7a3473 # [ 48.500954] RDX: 0000000000000012 RSI: 00007f0a8a697000 RDI: 0000000000000001 # [ 48.508926] RBP: 00007f0a8a697000 R08: 00007f0a8a696010 R09: 0000000000000000 # [ 48.516898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.524869] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.532847] irq event stamp: 0 # [ 48.536281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.549494] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.558661] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.567830] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.574832] ---[ end trace e2cd4c44169b9e8d ]--- # [ 48.579990] 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 # [ 48.709834] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 48.721550] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 48.728652] lkdtm: Good: zero detected # [ 48.732847] lkdtm: Correctly stayed at zero # [ 48.743730] lkdtm: attempting bad refcount_add() from zero # [ 48.749858] ------------[ cut here ]------------ # [ 48.761228] refcount_t: addition on 0; use-after-free. # [ 48.766980] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.776442] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.835172] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 48.843836] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.856852] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.862702] Code: 01 01 e8 c6 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 bd c6 05 4d f1 f6 01 01 e8 a3 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 # [ 48.889903] RSP: 0018:ffffb25142c17e48 EFLAGS: 00010286 # [ 48.895751] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 48.903723] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 48.911716] RBP: ffffffffbd9f91c3 R08: 0000000000000000 R09: 0000000000000000 # [ 48.919701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.927674] R13: ffffb25142c17f10 R14: ffffb25142c17f10 R15: ffff9dcb02869000 # [ 48.941857] FS: 00007fd25420c580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 48.950898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.957316] CR2: 00007fd254016000 CR3: 00000001059ea004 CR4: 00000000003706e0 # [ 48.965287] Call Trace: # [ 48.968021] ? __warn+0x80/0x110 # [ 48.971653] ? refcount_warn_saturate+0x74/0x110 # [ 48.976809] ? report_bug+0x9e/0xc0 # [ 48.980706] ? handle_bug+0x41/0x90 # [ 48.990819] ? exc_invalid_op+0x14/0x70 # [ 49.001322] ? asm_exc_invalid_op+0x12/0x20 # [ 49.012214] ? refcount_warn_saturate+0x74/0x110 # [ 49.023586] ? refcount_warn_saturate+0x74/0x110 # [ 49.034962] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 49.046144] direct_entry.cold+0x2c/0x38 # [ 49.056743] full_proxy_write+0x53/0x80 # [ 49.067243] vfs_write+0xe7/0x3b0 # [ 49.077158] ksys_write+0x68/0xf0 # [ 49.087079] do_syscall_64+0x30/0x40 # [ 49.097286] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.109147] RIP: 0033:0x7fd254122473 # [ 49.119354] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.146562] RSP: 002b:00007ffcf333d0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.161240] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd254122473 # [ 49.169214] RDX: 0000000000000012 RSI: 00007fd254016000 RDI: 0000000000000001 # [ 49.183401] RBP: 00007fd254016000 R08: 00007fd254015010 R09: 0000000000000000 # [ 49.191375] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.205563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.213540] irq event stamp: 0 # [ 49.223158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.236379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.251733] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.267091] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.274092] ---[ end trace e2cd4c44169b9e8e ]--- # [ 49.285461] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 49.488878] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 49.495840] lkdtm: attempting bad refcount_inc() from saturated # [ 49.502481] ------------[ cut here ]------------ # [ 49.507673] refcount_t: saturated; leaking memory. # [ 49.513078] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.522520] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.581225] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 49.589906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.596715] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.602551] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 # [ 49.623536] RSP: 0018:ffffb25142c7fe48 EFLAGS: 00010286 # [ 49.629372] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 49.637343] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 49.645305] RBP: ffffffffbd9f91d5 R08: 0000000000000000 R09: 0000000000000000 # [ 49.653276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 49.661247] R13: ffffb25142c7ff10 R14: ffffb25142c7ff10 R15: ffff9dcb06bdb000 # [ 49.669218] FS: 00007f66fc24d580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 49.678256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.684665] CR2: 00007f66fc057000 CR3: 0000000104468003 CR4: 00000000003706e0 # [ 49.692636] Call Trace: # [ 49.695368] ? __warn+0x80/0x110 # [ 49.699000] ? refcount_warn_saturate+0x51/0x110 # [ 49.704157] ? report_bug+0x9e/0xc0 # [ 49.708053] ? handle_bug+0x41/0x90 # [ 49.711970] ? exc_invalid_op+0x14/0x70 # [ 49.716251] ? asm_exc_invalid_op+0x12/0x20 # [ 49.720925] ? refcount_warn_saturate+0x51/0x110 # [ 49.726105] ? refcount_warn_saturate+0x51/0x110 # [ 49.731260] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 49.736708] direct_entry.cold+0x2c/0x38 # [ 49.741089] full_proxy_write+0x53/0x80 # [ 49.745373] vfs_write+0xe7/0x3b0 # [ 49.749072] ksys_write+0x68/0xf0 # [ 49.752772] do_syscall_64+0x30/0x40 # [ 49.756767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.762440] RIP: 0033:0x7f66fc163473 # [ 49.772648] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.799845] RSP: 002b:00007ffc778778e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.808334] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66fc163473 # [ 49.816306] RDX: 0000000000000017 RSI: 00007f66fc057000 RDI: 0000000000000001 # [ 49.824278] RBP: 00007f66fc057000 R08: 00007f66fc056010 R09: 0000000000000000 # [ 49.832248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.840222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.848197] irq event stamp: 0 # [ 49.851627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.858628] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.867766] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.876902] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.883904] ---[ end trace e2cd4c44169b9e8f ]--- # [ 49.889060] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 50.023367] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 50.032479] lkdtm: attempting bad refcount_dec() from saturated # [ 50.039125] ------------[ cut here ]------------ # [ 50.044284] refcount_t: decrement hit 0; leaking memory. # [ 50.056442] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.072078] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.130803] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 50.139471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.152482] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.158319] Code: 88 41 95 bd c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 95 bd c6 05 c4 f0 f6 01 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.179325] RSP: 0018:ffffb25142d27e48 EFLAGS: 00010286 # [ 50.185164] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 50.193138] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 50.201110] RBP: ffffffffbd9f91ec R08: 0000000000000000 R09: 0000000000000000 # [ 50.209083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.217056] R13: ffffb25142d27f10 R14: ffffb25142d27f10 R15: ffff9dcb05d1b000 # [ 50.225029] FS: 00007f966640e580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 50.234070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.240487] CR2: 00007f9666218000 CR3: 0000000103c6e005 CR4: 00000000003706e0 # [ 50.248460] Call Trace: # [ 50.251195] ? __warn+0x80/0x110 # [ 50.254820] ? refcount_warn_saturate+0xfb/0x110 # [ 50.266188] ? report_bug+0x9e/0xc0 # [ 50.276303] ? handle_bug+0x41/0x90 # [ 50.286409] ? exc_invalid_op+0x14/0x70 # [ 50.296914] ? asm_exc_invalid_op+0x12/0x20 # [ 50.307805] ? refcount_warn_saturate+0xfb/0x110 # [ 50.319178] ? refcount_warn_saturate+0xfb/0x110 # [ 50.330552] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 50.342222] direct_entry.cold+0x2c/0x38 # [ 50.352819] full_proxy_write+0x53/0x80 # [ 50.363322] vfs_write+0xe7/0x3b0 # [ 50.373239] ksys_write+0x68/0xf0 # [ 50.383158] do_syscall_64+0x30/0x40 # [ 50.393365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.405226] RIP: 0033:0x7f9666324473 # [ 50.415434] 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 # [ 50.442641] RSP: 002b:00007ffc0cba5f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.457320] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9666324473 # [ 50.465296] RDX: 0000000000000017 RSI: 00007f9666218000 RDI: 0000000000000001 # [ 50.479483] RBP: 00007f9666218000 R08: 00007f9666217010 R09: 0000000000000000 # [ 50.487459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.501646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.509624] irq event stamp: 0 # [ 50.519240] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.532462] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.547819] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.563176] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.570178] ---[ end trace e2cd4c44169b9e90 ]--- # [ 50.581546] 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 # [ 50.730555] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 50.743423] lkdtm: attempting bad refcount_dec() from saturated # [ 50.756247] ------------[ cut here ]------------ # [ 50.767620] refcount_t: saturated; leaking memory. # [ 50.779216] WARNING: CPU: 1 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 50.794833] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.853506] CPU: 1 PID: 2368 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 50.868379] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.881403] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 50.893457] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 01 00 75 ee 48 c7 c7 d8 40 95 bd c6 05 71 f1 f6 01 01 e8 c6 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 00 41 95 # [ 50.920662] RSP: 0018:ffffb25142d77e48 EFLAGS: 00010286 # [ 50.932719] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 50.946910] RDX: ffff9dcb7acac660 RSI: ffff9dcb7ac9bf70 RDI: ffff9dcb7ac9bf70 # [ 50.961098] RBP: ffffffffbd9f9203 R08: 0000000000000000 R09: 0000000000000000 # [ 50.975288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.989479] R13: ffffb25142d77f10 R14: ffffb25142d77f10 R15: ffff9dcb0279e000 # [ 51.003671] FS: 00007f0a2b622580(0000) GS:ffff9dcb7ac80000(0000) knlGS:0000000000000000 # [ 51.018929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.031569] CR2: 00007f0a2b42c000 CR3: 0000000103232003 CR4: 00000000003706e0 # [ 51.045758] Call Trace: # [ 51.054710] ? __warn+0x80/0x110 # [ 51.064527] ? refcount_warn_saturate+0x51/0x110 # [ 51.075903] ? report_bug+0x9e/0xc0 # [ 51.086016] ? handle_bug+0x41/0x90 # [ 51.096128] ? exc_invalid_op+0x14/0x70 # [ 51.106629] ? asm_exc_invalid_op+0x12/0x20 # [ 51.117522] ? refcount_warn_saturate+0x51/0x110 # [ 51.128896] ? refcount_warn_saturate+0x51/0x110 # [ 51.134056] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 51.145718] direct_entry.cold+0x2c/0x38 # [ 51.156316] full_proxy_write+0x53/0x80 # [ 51.166816] vfs_write+0xe7/0x3b0 # [ 51.176749] ksys_write+0x68/0xf0 # [ 51.180453] do_syscall_64+0x30/0x40 # [ 51.190654] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.196299] RIP: 0033:0x7f0a2b538473 # [ 51.206500] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.227494] RSP: 002b:00007ffe15c257d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.242165] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0a2b538473 # [ 51.250141] RDX: 0000000000000017 RSI: 00007f0a2b42c000 RDI: 0000000000000001 # [ 51.264327] RBP: 00007f0a2b42c000 R08: 00007f0a2b42b010 R09: 0000000000000000 # [ 51.272303] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.286490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.294488] irq event stamp: 0 # [ 51.304089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.317313] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.332667] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.348026] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.361245] ---[ end trace e2cd4c44169b9e91 ]--- # [ 51.372620] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 51.505730] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 51.516825] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 51.524315] ------------[ cut here ]------------ # [ 51.529473] refcount_t: saturated; leaking memory. # [ 51.534853] WARNING: CPU: 3 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 51.544290] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.602961] CPU: 3 PID: 2400 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 51.611616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.624642] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.630509] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 # [ 51.651500] RSP: 0018:ffffb25142e2fe38 EFLAGS: 00010282 # [ 51.657338] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.665316] RDX: ffff9dcb7adac660 RSI: ffff9dcb7ad9bf70 RDI: ffff9dcb7ad9bf70 # [ 51.673323] RBP: ffffffffbd9f8e30 R08: 0000000000000000 R09: 0000000000000000 # [ 51.681319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.689284] R13: ffffb25142e2ff10 R14: ffffb25142e2ff10 R15: ffff9dcb026cc000 # [ 51.697257] FS: 00007ff7a5417580(0000) GS:ffff9dcb7ad80000(0000) knlGS:0000000000000000 # [ 51.706297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.712717] CR2: 00007ff7a5221000 CR3: 00000001044f6002 CR4: 00000000003706e0 # [ 51.720701] Call Trace: # [ 51.723436] ? __warn+0x80/0x110 # [ 51.733248] ? refcount_warn_saturate+0x97/0x110 # [ 51.738404] ? report_bug+0x9e/0xc0 # [ 51.742299] ? handle_bug+0x41/0x90 # [ 51.746193] ? exc_invalid_op+0x14/0x70 # [ 51.750477] ? asm_exc_invalid_op+0x12/0x20 # [ 51.755151] ? refcount_warn_saturate+0x97/0x110 # [ 51.760308] ? refcount_warn_saturate+0x97/0x110 # [ 51.765468] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 51.771595] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 51.777919] direct_entry.cold+0x2c/0x38 # [ 51.782301] full_proxy_write+0x53/0x80 # [ 51.786584] vfs_write+0xe7/0x3b0 # [ 51.790284] ksys_write+0x68/0xf0 # [ 51.793985] do_syscall_64+0x30/0x40 # [ 51.797976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.803620] RIP: 0033:0x7ff7a532d473 # [ 51.807612] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.828603] RSP: 002b:00007ffd8f69a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.837062] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff7a532d473 # [ 51.845034] RDX: 0000000000000020 RSI: 00007ff7a5221000 RDI: 0000000000000001 # [ 51.852998] RBP: 00007ff7a5221000 R08: 00007ff7a5220010 R09: 0000000000000000 # [ 51.860963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.868936] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.876912] irq event stamp: 0 # [ 51.880346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.893565] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.908920] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.924276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.931278] ---[ end trace e2cd4c44169b9e92 ]--- # [ 51.936435] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 52.062513] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 52.074326] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 52.088058] ------------[ cut here ]------------ # [ 52.099436] refcount_t: saturated; leaking memory. # [ 52.111015] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.126652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.185334] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 52.200221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.213274] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.225295] Code: 01 01 e8 a3 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 3c f1 f6 01 00 75 a8 48 c7 c7 d8 40 95 bd c6 05 2c f1 f6 01 01 e8 80 ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 # [ 52.252540] RSP: 0018:ffffb25142eafe38 EFLAGS: 00010282 # [ 52.264582] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.278795] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 52.292969] RBP: ffffffffbd9f8e50 R08: 0000000000000000 R09: 0000000000000000 # [ 52.307160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.321353] R13: ffffb25142eaff10 R14: ffffb25142eaff10 R15: ffff9dcb04603000 # [ 52.335557] FS: 00007f205b415580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 52.350799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.363447] CR2: 00007f205b21f000 CR3: 0000000105c0a001 CR4: 00000000003706f0 # [ 52.377621] Call Trace: # [ 52.386595] ? __warn+0x80/0x110 # [ 52.396394] ? refcount_warn_saturate+0x97/0x110 # [ 52.407797] ? report_bug+0x9e/0xc0 # [ 52.417889] ? handle_bug+0x41/0x90 # [ 52.428007] ? exc_invalid_op+0x14/0x70 # [ 52.438503] ? asm_exc_invalid_op+0x12/0x20 # [ 52.449407] ? refcount_warn_saturate+0x97/0x110 # [ 52.460773] ? refcount_warn_saturate+0x97/0x110 # [ 52.472156] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.484484] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.497033] direct_entry.cold+0x2c/0x38 # [ 52.507647] full_proxy_write+0x53/0x80 # [ 52.518148] vfs_write+0xe7/0x3b0 # [ 52.528069] ksys_write+0x68/0xf0 # [ 52.538009] do_syscall_64+0x30/0x40 # [ 52.548182] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.560086] RIP: 0033:0x7f205b32b473 # [ 52.570291] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.597500] RSP: 002b:00007ffd57af8658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.612161] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f205b32b473 # [ 52.626393] RDX: 0000000000000020 RSI: 00007f205b21f000 RDI: 0000000000000001 # [ 52.640568] RBP: 00007f205b21f000 R08: 00007f205b21e010 R09: 0000000000000000 # [ 52.654797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.668950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.683181] irq event stamp: 0 # [ 52.692790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.706009] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.721401] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.736751] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.750008] ---[ end trace e2cd4c44169b9e93 ]--- # [ 52.761370] 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 # [ 52.933166] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 52.942887] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 52.956572] ------------[ cut here ]------------ # [ 52.967935] refcount_t: underflow; use-after-free. # [ 52.979547] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.995186] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.053862] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 53.068716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.081797] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.093823] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.121037] RSP: 0018:ffffb25142f47e40 EFLAGS: 00010286 # [ 53.133106] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 53.147313] RDX: ffff9dcb7ac2c660 RSI: ffff9dcb7ac1bf70 RDI: ffff9dcb7ac1bf70 # [ 53.161524] RBP: ffffffffbd9f8e70 R08: 0000000000000000 R09: 0000000000000000 # [ 53.175717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.189938] R13: ffffb25142f47f10 R14: ffffb25142f47f10 R15: ffff9dcb03d74000 # [ 53.204119] FS: 00007fda97256580(0000) GS:ffff9dcb7ac00000(0000) knlGS:0000000000000000 # [ 53.219392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.232022] CR2: 00007fda97060000 CR3: 0000000104400005 CR4: 00000000003706f0 # [ 53.246234] Call Trace: # [ 53.255263] ? __warn+0x80/0x110 # [ 53.265033] ? refcount_warn_saturate+0xba/0x110 # [ 53.276473] ? report_bug+0x9e/0xc0 # [ 53.286606] ? handle_bug+0x41/0x90 # [ 53.296730] ? exc_invalid_op+0x14/0x70 # [ 53.307219] ? asm_exc_invalid_op+0x12/0x20 # [ 53.318148] ? refcount_warn_saturate+0xba/0x110 # [ 53.329522] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.341886] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 53.354431] direct_entry.cold+0x2c/0x38 # [ 53.365070] full_proxy_write+0x53/0x80 # [ 53.375549] vfs_write+0xe7/0x3b0 # [ 53.385478] ksys_write+0x68/0xf0 # [ 53.395389] do_syscall_64+0x30/0x40 # [ 53.405644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.417487] RIP: 0033:0x7fda9716c473 # [ 53.427753] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.454955] RSP: 002b:00007ffcb69634e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.469682] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda9716c473 # [ 53.483857] RDX: 0000000000000020 RSI: 00007fda97060000 RDI: 0000000000000001 # [ 53.498084] RBP: 00007fda97060000 R08: 00007fda9705f010 R09: 0000000000000000 # [ 53.512266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.526498] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.540683] irq event stamp: 0 # [ 53.550352] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.563554] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.578974] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.594299] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.607556] ---[ end trace e2cd4c44169b9e94 ]--- # [ 53.618920] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 53.755903] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 53.769160] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 53.776659] ------------[ cut here ]------------ # [ 53.781829] refcount_t: underflow; use-after-free. # [ 53.787219] WARNING: CPU: 2 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.796661] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 uvcvideo cros_ec_sysfs videobuf2_vmalloc cros_ec_lightbar cros_ec_debugfs cros_usbpd_logger cros_ec_chardev cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.855335] CPU: 2 PID: 2502 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 53.863990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.870834] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.876691] Code: 01 01 e8 80 ed c0 00 0f 0b c3 cc cc cc cc 80 3d 16 f1 f6 01 00 75 85 48 c7 c7 30 41 95 bd c6 05 06 f1 f6 01 01 e8 5d ed c0 00 <0f> 0b c3 cc cc cc cc 80 3d f1 f0 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.897694] RSP: 0018:ffffb25142fc7e40 EFLAGS: 00010286 # [ 53.909744] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 53.923934] RDX: ffff9dcb7ad2c660 RSI: ffff9dcb7ad1bf70 RDI: ffff9dcb7ad1bf70 # [ 53.938128] RBP: ffffffffbd9f8e90 R08: 0000000000000000 R09: 0000000000000000 # [ 53.946134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.954110] R13: ffffb25142fc7f10 R14: ffffb25142fc7f10 R15: ffff9dcb05a0c000 # [ 53.962085] FS: 00007fc7d4127580(0000) GS:ffff9dcb7ad00000(0000) knlGS:0000000000000000 # [ 53.971129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.977549] CR2: 00007fc7d3f31000 CR3: 0000000103090003 CR4: 00000000003706e0 # [ 53.985525] Call Trace: # [ 53.988260] ? __warn+0x80/0x110 # [ 53.991895] ? refcount_warn_saturate+0xba/0x110 # [ 54.003262] ? report_bug+0x9e/0xc0 # [ 54.007192] ? handle_bug+0x41/0x90 # [ 54.011119] ? exc_invalid_op+0x14/0x70 # [ 54.015406] ? asm_exc_invalid_op+0x12/0x20 # [ 54.020112] ? refcount_warn_saturate+0xba/0x110 # [ 54.025304] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.031464] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 54.037792] direct_entry.cold+0x2c/0x38 # [ 54.042205] full_proxy_write+0x53/0x80 # [ 54.046513] vfs_write+0xe7/0x3b0 # [ 54.050246] ksys_write+0x68/0xf0 # [ 54.053952] do_syscall_64+0x30/0x40 # [ 54.057974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.063621] RIP: 0033:0x7fc7d403d473 # [ 54.067620] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.088614] RSP: 002b:00007ffd19f1c368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.097106] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc7d403d473 # [ 54.105081] RDX: 0000000000000020 RSI: 00007fc7d3f31000 RDI: 0000000000000001 # [ 54.113057] RBP: 00007fc7d3f31000 R08: 00007fc7d3f30010 R09: 0000000000000000 # [ 54.121033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.129008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.136990] irq event stamp: 0 # [ 54.140429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.147434] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.156606] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.165758] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.172762] ---[ end trace e2cd4c44169b9e95 ]--- # [ 54.177921] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 54.589555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 54.599321] lkdtm: attempting good copy_to_user of correct size # [ 54.605949] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 54.731630] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 54.743967] lkdtm: attempting good copy_from_user of correct size # [ 54.756998] 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 # [ 54.896289] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 54.907843] lkdtm: attempting good copy_to_user inside whitelist # [ 54.920742] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 55.058998] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 55.071579] lkdtm: attempting good copy_from_user inside whitelist # [ 55.078506] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 55.220244] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 55.229120] lkdtm: good_stack: ffffb25143377e20-ffffb25143377e40 # [ 55.235847] lkdtm: bad_stack : ffffb25143377da8-ffffb25143377dc8 # [ 55.242587] lkdtm: attempting good copy_to_user of local stack # [ 55.255309] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 55.382634] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 55.393458] lkdtm: good_stack: ffffb25143427e20-ffffb25143427e40 # [ 55.406416] lkdtm: bad_stack : ffffb25143427da8-ffffb25143427dc8 # [ 55.419346] lkdtm: attempting good copy_from_user of local stack # [ 55.432226] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 55.564208] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 55.576296] lkdtm: good_stack: ffffb251434afe20-ffffb251434afe40 # [ 55.589255] lkdtm: bad_stack : ffffb251434afff8-ffffb251434b0018 # [ 55.602230] lkdtm: attempting good copy_to_user of local stack # [ 55.615091] lkdtm: attempting bad copy_to_user of distant stack # [ 55.627820] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 55.756021] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 55.764076] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd57ed30 # [ 55.778967] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbbce1430 # [ 55.793549] 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 # [ 55.931441] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 55.942158] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 55.956286] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 55.970257] lkdtm: FAIL: the thread stack is NOT properly erased # [ 55.983170] CPU: 0 PID: 2867 Comm: cat Tainted: G D W 5.10.184-cip36 #1 # [ 55.998016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.004819] Call Trace: # [ 56.007550] dump_stack+0x77/0x9b # [ 56.011253] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 56.016412] direct_entry.cold+0x2c/0x38 # [ 56.020783] full_proxy_write+0x53/0x80 # [ 56.025070] vfs_write+0xe7/0x3b0 # [ 56.028774] ksys_write+0x68/0xf0 # [ 56.032474] do_syscall_64+0x30/0x40 # [ 56.036469] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.042108] RIP: 0033:0x7fa33ac75473 # [ 56.046087] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.067058] RSP: 002b:00007fffad518ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.075515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa33ac75473 # [ 56.083483] RDX: 0000000000000012 RSI: 00007fa33ab69000 RDI: 0000000000000001 # [ 56.091441] RBP: 00007fa33ab69000 R08: 00007fa33ab68010 R09: 0000000000000000 # [ 56.099408] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.107375] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 56.253097] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 56.264648] lkdtm: Calling matched prototype ... # [ 56.276049] lkdtm: Calling mismatched prototype ... # [ 56.287715] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #