[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 43959 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Initializing CPU #2 Setting up local APIC...Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC... apic_id: 0x01 done. Skip microcode update apic_id: 0x03 done. CPU #3 initialized Skip microcode update Skip microcode update CPU #2 initialized CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376021 run 167256 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 8981 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 8976 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8975 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 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90988 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107773 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 14171 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 22372 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53549 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 13849 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 11319 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 9284 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2770 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 10045 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 10041 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466213 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486327 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 826175 exit 39416 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 2113465 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 228 run 139246 exit 20561 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 30887 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 6980 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2239 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 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2246 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5964 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5964 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 5278 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2247 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 23485 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 23847 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2392 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 24394 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-06-14 11:38:21 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-06-14 11:38:21 UTC ELOG: Event(92) added with size 9 at 2023-06-14 11:38:21 UTC ELOG: Event(9A) added with size 9 at 2023-06-14 11:38:21 UTC ELOG: Event(AD) added with size 10 at 2023-06-14 11:38:21 UTC ELOG: Event(9F) added with size 14 at 2023-06-14 11:38:21 UTC BS: BS_DEV_INIT times (us): entry 0 run 417008 exit 60026 ELOG: Event(A1) added with size 10 at 2023-06-14 11:38:21 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-14 11:38:21 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 25566 run 3951 exit 5199 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 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 537217 exit 146305 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() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 634 run 259876 exit 135307 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 10723778/tftp-deploy-zgvhey7m/kernel/bzImage 10723778/tftp-deploy-zgvhey7m/kernel/cmdline 10723778/tftp-deploy-zgvhey7m/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10723778/tftp-deploy-zgvhey7m/kernel/bzIploy-zgvhey7m/kernel/cmdline 10723778/tftp-deploy-zgvhey7m/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: 10723778/tftp-deploy-zgvhey7m/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: 10723778/tftp-deploy-zgvhey7m/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10723778/extract-nfsrootfs-wg6ycsqt,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: 21301338 Starting kernel ... <5>[ 0.000000] Linux version 5.10.184-cip35 (KernelCI@build-j35284-x86-64-gcc-10-x86-64-defconfig-x86-chromebook7nxs5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 14 11:29:44 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10723778/extract-nfsrootfs-wg6ycsqt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000045] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001165] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005960] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.020538] check: Scanning 1 areas for low memory corruption <6>[ 0.020549] Using GB pages for direct mapping <6>[ 0.021134] RAMDISK: [mem 0x375d8000-0x37ffffff] <6>[ 0.021141] ACPI: Early table checksum verification disabled <6>[ 0.021147] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.021158] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021171] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021184] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.021194] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.021204] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.021213] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.021223] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021232] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021242] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021252] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.021262] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021271] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021281] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.021291] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.021295] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.021299] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.021302] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.021306] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.021310] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.021314] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.021317] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.021321] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.021325] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.021329] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.021333] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.021463] No NUMA configuration found <6>[ 0.021468] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.021475] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.021512] Zone ranges: <6>[ 0.021516] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.021522] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.021528] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021534] Movable zone start for each node <6>[ 0.021537] Early memory node ranges <6>[ 0.021542] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.021546] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.021550] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.021555] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.021583] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.021620] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.031589] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.031654] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.031678] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.032025] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.032076] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.032088] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.032093] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.032105] Using ACPI (MADT) for SMP configuration information <6>[ 0.032110] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.032117] TSC deadline timer available <6>[ 0.032121] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.032146] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.032151] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.032156] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.032159] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.032163] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.032166] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.032170] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.032173] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.032177] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.032180] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.032184] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.032187] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.032191] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.032194] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.032198] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.032205] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.032212] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.045449] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.045670] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.045733] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.045737] Policy zone: Normal <5>[ 0.045748] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10723778/extract-nfsrootfs-wg6ycsqt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.046200] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.046396] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.046468] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.065067] Memory: 3878192K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210600K reserved, 0K cma-reserved) <6>[ 0.065201] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.065253] Kernel/User page tables isolation: enabled <6>[ 0.065330] ftrace: allocating 60766 entries in 238 pages <6>[ 0.119774] ftrace: allocated 238 pages with 6 groups <6>[ 0.120012] Running RCU self tests <6>[ 0.120025] rcu: Hierarchical RCU implementation. <6>[ 0.120029] rcu: RCU event tracing is enabled. <6>[ 0.120033] rcu: RCU lockdep checking is enabled. <6>[ 0.120037] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.120041] Rude variant of Tasks RCU enabled. <6>[ 0.120044] Tracing variant of Tasks RCU enabled. <6>[ 0.120048] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.120052] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.128128] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.128549] random: crng init done <6>[ 0.128638] Console: colour dummy device 80x25 <6>[ 0.207124] printk: console [ttyS0] enabled <4>[ 0.207513] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.208196] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.208577] ... MAX_LOCK_DEPTH: 48 <4>[ 0.208960] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.209363] ... CLASSHASH_SIZE: 4096 <4>[ 0.209760] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.210169] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.210574] ... CHAINHASH_SIZE: 32768 <4>[ 0.210984] memory used by lock dependency info: 6365 kB <4>[ 0.211473] memory used for stack traces: 4224 kB <4>[ 0.211912] per task-struct memory footprint: 1920 bytes <6>[ 0.212446] ACPI: Core revision 20200925 <6>[ 0.212982] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.213503] APIC: Switch to symmetric I/O mode setup <6>[ 0.217952] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.218888] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.219813] pid_max: default: 32768 minimum: 301 <6>[ 0.219874] LSM: Security Framework initializing <6>[ 0.219874] SELinux: Initializing. <6>[ 0.219874] LSM support for eBPF active <6>[ 0.219874] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.219874] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.219874] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.219874] process: using mwait in idle threads <6>[ 0.219874] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.219874] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.219874] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.219874] Spectre V2 : Mitigation: IBRS <6>[ 0.219874] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.219874] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.219874] RETBleed: Mitigation: IBRS <6>[ 0.219874] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.219874] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.219874] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.219874] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.219874] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.219874] SRBDS: Vulnerable: No microcode <4>[ 0.219874] ------------[ cut here ]------------ <4>[ 0.219874] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.219874] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.219874] Modules linked in: <4>[ 0.219874] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.184-cip35 #1 <4>[ 0.219874] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.219874] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.219874] 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 2f ba 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 <4>[ 0.219874] RSP: 0000:ffffffffba603de0 EFLAGS: 00010282 <4>[ 0.219874] RAX: 0000000000000000 RBX: ffffffffbb20b328 RCX: 0000000000000000 <4>[ 0.219874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb8577c91 <4>[ 0.219874] RBP: ffffffffb9f7ed20 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.219874] R10: ffffffffba68fee0 R11: 3fffffffffffffff R12: ffffffffbb223428 <4>[ 0.219874] R13: cccccccccccccccc R14: ffffffffb9f7ed25 R15: 0000000000000004 <4>[ 0.219874] FS: 0000000000000000(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 <4>[ 0.219874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.219874] CR2: ffff98a2fefff000 CR3: 0000000060c26001 CR4: 00000000003706f0 <4>[ 0.219874] Call Trace: <4>[ 0.219874] ? __warn+0x80/0x110 <4>[ 0.219874] ? apply_returns+0x1f5/0x220 <4>[ 0.219874] ? report_bug+0x9e/0xc0 <4>[ 0.219874] ? __warn_printk+0x6c/0x8d <4>[ 0.219874] ? handle_bug+0x41/0x90 <4>[ 0.219874] ? exc_invalid_op+0x14/0x70 <4>[ 0.219874] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.219874] ? console_unlock+0x4d1/0x5f0 <4>[ 0.219874] ? apply_returns+0x1f5/0x220 <4>[ 0.219874] alternative_instructions+0x7d/0x143 <4>[ 0.219874] check_bugs+0xe9f/0xefb <4>[ 0.219874] start_kernel+0x517/0x54d <4>[ 0.219874] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.219874] irq event stamp: 198831 <4>[ 0.219874] hardirqs last enabled at (198839): [] console_unlock+0x4d1/0x5f0 <4>[ 0.219874] hardirqs last disabled at (198846): [] console_unlock+0x444/0x5f0 <4>[ 0.219874] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.219874] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.219874] ---[ end trace 6fca391b55ed3d28 ]--- <6>[ 0.219874] Freeing SMP alternatives memory: 48K <6>[ 0.219874] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.221074] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.221887] ... version: 4 <6>[ 0.222264] ... bit width: 48 <6>[ 0.222879] ... generic registers: 4 <6>[ 0.223255] ... value mask: 0000ffffffffffff <6>[ 0.223878] ... max period: 00007fffffffffff <6>[ 0.224362] ... fixed-purpose events: 3 <6>[ 0.224879] ... event mask: 000000070000000f <6>[ 0.226315] rcu: Hierarchical SRCU implementation. <6>[ 0.230065] smp: Bringing up secondary CPUs ... <6>[ 0.232059] x86: Booting SMP configuration: <6>[ 0.232891] .... node #0, CPUs: #1 <4>[ 0.234961] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. <4>[ 0.236880] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. <4>[ 0.238943] #2 #3 <6>[ 0.242976] smp: Brought up 1 node, 4 CPUs <6>[ 0.243888] smpboot: Max logical packages: 1 <6>[ 0.244288] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.248199] devtmpfs: initialized <6>[ 0.249163] x86/mm: Memory block size: 128MB <6>[ 0.256069] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.256890] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.258269] pinctrl core: initialized pinctrl subsystem <6>[ 0.260255] PM: RTC time: 11:38:37, date: 2023-06-14 <6>[ 0.261897] NET: Registered protocol family 16 <6>[ 0.263939] audit: initializing netlink subsys (disabled) <5>[ 0.264917] audit: type=2000 audit(1686742717.046:1): state=initialized audit_enabled=0 res=1 <6>[ 0.266073] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.266265] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.266946] cpuidle: using governor menu <6>[ 0.268958] ACPI: bus type PCI registered <6>[ 0.270201] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.270883] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.271907] PCI: Using configuration type 1 for base access <6>[ 0.331365] Kprobes globally optimized <6>[ 0.332993] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.333887] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.335175] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.341051] ACPI: Added _OSI(Module Device) <6>[ 0.341892] ACPI: Added _OSI(Processor Device) <6>[ 0.342306] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.342880] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.343881] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.344295] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.344880] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.365956] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.379271] ACPI: EC: EC started <6>[ 0.379878] ACPI: EC: interrupt blocked <6>[ 0.381882] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.382349] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.382879] ACPI: Interpreter enabled <6>[ 0.383282] ACPI: (supports S0 S3 S4 S5) <6>[ 0.383880] ACPI: Using IOAPIC for interrupt routing <6>[ 0.384911] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.413910] ACPI: Power Resource [PRIC] (on) <6>[ 0.550088] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.550887] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.552116] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.552938] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.554891] PCI host bridge to bus 0000:00 <6>[ 0.555279] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.555881] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.556880] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.557880] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.558880] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.559880] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.560880] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.561880] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.562880] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.563880] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.564880] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.565880] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.566880] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.567883] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.568880] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.569880] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.570880] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.571880] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.572880] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.573880] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.574881] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.575960] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.578264] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.578900] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.579891] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.580887] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.582921] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.583906] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.586020] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.586902] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.588939] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.589912] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.591006] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.593036] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.593915] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.595968] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.596922] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.599082] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.599922] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.602115] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.602922] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.603907] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.606055] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.606922] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.609104] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.610050] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.612039] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.612923] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.615079] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.615922] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.618080] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.618916] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.621158] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.621916] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.624043] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.626035] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.626909] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.629033] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.629920] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.630932] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.631986] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.634056] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.634945] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.635956] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.638000] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.638910] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.641316] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.642078] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.644254] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.648023] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.648895] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.652022] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.653113] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.654107] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.655106] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.656103] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.657107] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.658103] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.659102] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.669955] ACPI: EC: interrupt unblocked <6>[ 0.670341] ACPI: EC: event unblocked <6>[ 0.670879] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.671347] ACPI: EC: GPE=0x6e <6>[ 0.671882] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.672881] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.674220] iommu: Default domain type: Translated <6>[ 0.675060] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.675490] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.675905] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.676880] vgaarb: loaded <5>[ 0.678131] SCSI subsystem initialized <6>[ 0.679073] ACPI: bus type USB registered <6>[ 0.679987] usbcore: registered new interface driver usbfs <6>[ 0.680931] usbcore: registered new interface driver hub <6>[ 0.681911] usbcore: registered new device driver usb <6>[ 0.682969] mc: Linux media interface: v0.10 <6>[ 0.683902] videodev: Linux video capture interface: v2.00 <6>[ 0.684906] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.685362] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.685887] PTP clock support registered <6>[ 0.687061] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.689233] NetLabel: Initializing <6>[ 0.689880] NetLabel: domain hash size = 128 <6>[ 0.690286] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.690946] NetLabel: unlabeled traffic allowed by default <6>[ 0.691993] PCI: Using ACPI for IRQ routing <6>[ 0.708247] clocksource: Switched to clocksource tsc-early <5>[ 1.042538] VFS: Disk quotas dquot_6.6.0 <6>[ 1.042949] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.043925] pnp: PnP ACPI init <6>[ 1.044877] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.045492] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.046088] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.046693] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.047289] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.047895] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.048531] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.049156] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.049761] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.050356] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.051700] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.052548] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.053280] system 00:04: [io 0x0200] has been reserved <6>[ 1.053783] system 00:04: [io 0x0204] has been reserved <6>[ 1.054271] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.054818] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.057652] pnp: PnP ACPI: found 6 devices <6>[ 1.070070] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.070962] NET: Registered protocol family 2 <6>[ 1.071513] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.073572] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.074541] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.075420] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.077746] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.078607] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.079529] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.080378] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.081361] NET: Registered protocol family 1 <6>[ 1.082347] RPC: Registered named UNIX socket transport module. <6>[ 1.082923] RPC: Registered udp transport module. <6>[ 1.083358] RPC: Registered tcp transport module. <6>[ 1.083800] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.084867] NET: Registered protocol family 44 <6>[ 1.085297] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.085787] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.086420] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.086975] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.087594] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.088210] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.088833] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.089460] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.090076] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.090705] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.091328] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.091958] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.092590] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.093213] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.093843] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.094511] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.095133] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.095764] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.096398] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.097021] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.097665] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.098289] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.098920] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.099857] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.102191] PCI: CLS 64 bytes, default 64 <6>[ 1.102881] Unpacking initramfs... <6>[ 1.440193] Freeing initrd memory: 10400K <6>[ 1.440698] DMAR: Host address width 39 <6>[ 1.441107] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.441686] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.442442] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.443006] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.443512] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.444292] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.444882] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.445767] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.446486] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.447007] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.447527] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.448019] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.448539] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.450459] kvm: already loaded the other module <6>[ 1.477693] check: Scanning for low memory corruption every 60 seconds <5>[ 1.480759] Initialise system trusted keyrings <6>[ 1.481417] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.497343] NFS: Registering the id_resolver key type <5>[ 1.497869] Key type id_resolver registered <5>[ 1.498282] Key type id_legacy registered <5>[ 1.514794] Key type asymmetric registered <5>[ 1.515203] Asymmetric key parser 'x509' registered <6>[ 1.515712] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.516393] io scheduler mq-deadline registered <6>[ 1.516815] io scheduler kyber registered <4>[ 1.517380] test_firmware: interface ready <6>[ 1.518986] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.520569] ACPI: AC Adapter [AC] (on-line) <6>[ 1.521264] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.522945] ACPI: Lid Switch [LID0] <6>[ 1.523508] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.524361] ACPI: Power Button [PWRF] <6>[ 1.525082] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.526101] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.527009] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.527912] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.529219] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.532021] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.532550] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.532697] Non-volatile memory driver v1.3 <6>[ 1.533638] Linux agpgart interface v0.103 <6>[ 1.534429] [drm] amdgpu kernel modesetting enabled. <6>[ 1.537054] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.589788] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.591628] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.619607] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.623269] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.639433] loop: module loaded <6>[ 1.640450] lkdtm: No crash points registered, enable through debugfs <6>[ 1.660986] printk: console [ttyS0] disabled <6>[ 1.661675] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.490527] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.494986] printk: console [ttyS0] enabled <6>[ 2.507004] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.526944] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.285273] clocksource: Switched to clocksource tsc <6>[ 5.285433] fbcon: i915drmfb (fb0) is primary device <4>[ 5.287285] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.293916] e100: Intel(R) PRO/100 Network Driver <6>[ 5.293919] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.293971] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.293973] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.294041] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.294043] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.294112] sky2: driver version 1.30 <6>[ 5.294394] usbcore: registered new interface driver r8152 <6>[ 5.294907] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.294929] ehci-pci: EHCI PCI platform driver <6>[ 5.294987] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.295001] ohci-pci: OHCI PCI platform driver <6>[ 5.295051] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.295951] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.296946] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.297583] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.298606] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.298687] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.300946] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.301471] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.301495] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.302054] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.302091] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.302095] usb usb1: Product: xHCI Host Controller <6>[ 5.302098] usb usb1: Manufacturer: Linux 5.10.184-cip35 xhci-hcd <6>[ 5.302101] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.303891] hub 1-0:1.0: USB hub found <6>[ 5.304073] hub 1-0:1.0: 12 ports detected <6>[ 5.308357] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.308361] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.308388] usb usb2: Product: xHCI Host Controller <6>[ 5.308392] usb usb2: Manufacturer: Linux 5.10.184-cip35 xhci-hcd <6>[ 5.308396] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.309476] hub 2-0:1.0: USB hub found <6>[ 5.309527] hub 2-0:1.0: 6 ports detected <6>[ 5.311110] usbcore: registered new interface driver usblp <6>[ 5.311180] usbcore: registered new interface driver usb-storage <6>[ 5.311627] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.311736] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.311738] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.312530] i8042: Warning: Keylock active <6>[ 5.312842] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.315542] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.318642] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.320249] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.320860] rtc_cmos 00:02: registered as rtc0 <6>[ 5.321206] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.321901] Console: switching to colour frame buffer device 240x67 <6>[ 5.322523] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.322621] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.323691] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.325529] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.325567] intel_pstate: Intel P-state driver initializing <6>[ 5.326596] intel_pstate: HWP enabled <6>[ 5.326628] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.326629] sdhci: Copyright(c) Pierre Ossman <6>[ 5.326658] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.327852] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.328012] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.329274] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.329704] usbcore: registered new interface driver usbhid <6>[ 5.329706] usbhid: USB HID core driver <6>[ 5.330067] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.335298] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.339203] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.536081] mmc0: new HS400 MMC card at address 0001 <6>[ 5.540331] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.544135] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.553802] netem: version 1.3 <6>[ 5.561595] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.567378] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.574468] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.580127] IPv4 over IPsec tunneling driver <6>[ 5.584521] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.589347] Initializing XFRM netlink socket <6>[ 5.601122] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.602976] NET: Registered protocol family 10 <6>[ 5.659475] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.667333] Segment Routing with IPv6 <6>[ 5.688847] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 <6>[ 5.693842] NET: Registered protocol family 17 <6>[ 5.861154] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <5>[ 5.869770] Key type dns_resolver registered <6>[ 5.874697] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.940491] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.940519] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.955487] microcode: Microcode Update Driver: v2.2. <6>[ 5.955494] IPI shorthand broadcast: enabled <6>[ 5.966644] sched_clock: Marking stable (5876217651, 90360839)->(5840126161, 126452329) <6>[ 5.976245] registered taskstats version 1 <5>[ 5.981140] Loading compiled-in X.509 certificates <6>[ 5.987591] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.988857] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.997038] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.997041] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 5.997042] usb 2-3: Manufacturer: Realtek <6>[ 6.007034] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.013790] usb 2-3: SerialNumber: 001000001 <6>[ 6.042939] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.043938] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.062280] PM: Magic number: 11:797:630 <6>[ 6.067390] printk: console [netcon0] enabled <6>[ 6.072586] netconsole: network logging started <3>[ 6.082406] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.089420] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.259197] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.268667] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.276951] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.282609] usb 1-9: Manufacturer: Azurewave <6>[ 6.287702] usb 1-9: SerialNumber: 0x0001 <6>[ 6.300087] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.345499] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.398470] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.434923] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.440104] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.039818] r8152 2-3:1.0 eth0: carrier on <6>[ 8.045454] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.057505] Sending DHCP requests ., OK <6>[ 8.068108] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 <6>[ 8.077358] IP-Config: Complete: <6>[ 8.081288] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 <6>[ 8.093252] host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 8.102788] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 8.102789] nameserver0=192.168.201.1 <5>[ 8.116157] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 8.127820] modprobe (100) used greatest stack depth: 14208 bytes left <5>[ 8.130784] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 8.135453] modprobe (101) used greatest stack depth: 14032 bytes left <4>[ 8.143315] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 8.144452] ALSA device list: <6>[ 8.144462] No soundcards found. <6>[ 8.168411] cfg80211: failed to load regulatory.db <4>[ 8.174337] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 8.184017] Freeing unused kernel image (initmem) memory: 2148K <6>[ 8.206632] Write protecting the kernel read-only data: 34816k <6>[ 8.214394] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 8.222434] Freeing unused kernel image (rodata/data gap) memory: 860K <6>[ 8.230105] Run /init as init process Loading, please wait... <6>[ 8.244271] cat (119) used greatest stack depth: 13968 bytes left Starting version 247.3-7+deb11u2 <6>[ 8.251954] systemd-udevd (123) used greatest stack depth: 13728 bytes left <6>[ 8.300339] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 8.418422] chromeos ramoops using acpi device. <6>[ 8.420176] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.435702] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 8.446406] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 8.453050] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.468255] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 8.478023] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 8.487279] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 8.498722] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.515096] Registered efivars operations <6>[ 8.520002] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.528596] gsmi version 1.0 loaded <6>[ 8.668286] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 8.686536] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 8.699463] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.711585] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.724385] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.736458] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.748747] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.751437] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 8.758595] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 8.769058] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 8.778449] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.790334] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 8.793826] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.806316] usbcore: registered new interface driver uvcvideo <6>[ 8.814358] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.819918] USB Video Class driver (1.1.1) <6>[ 8.838813] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.849429] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.865151] udevadm (144) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 8.976763] nfsmount (168) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 10.226150] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 10.264651] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 10.299797] systemd[1]: Set hostname to . <30>[ 10.877148] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 10.888851] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 10.904996] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 10.920983] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 10.938009] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 10.954990] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 10.976863] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 10.998414] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 11.021750] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 11.038755] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 11.052710] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 11.068696] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 11.082718] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 11.093926] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 11.111692] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 11.128939] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 11.146054] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 11.161801] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 11.181766] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 11.198002] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 11.215243] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 11.231847] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 11.250125] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 11.265970] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 11.288307] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 11.309215] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 11.324748] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 11.340350] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 11.380980] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 11.391802] fuse: init (API version 7.32) <30>[ 11.398135] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 11.414766] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 11.432079] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 11.450907] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 11.467750] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 11.483699] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 11.499734] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 11.515699] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 11.532900] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 11.553556] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 11.561230] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 11.578729] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... <46>[ 11.693433] systemd-journald[204]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.184-cip35 #1 SMP Wed Jun 14 11:29:44 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/10723778/extract-nfsrootfs-wg6ycsqt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10723778/extract-nfsrootfs-wg6ycsqt' / # 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-10723778/environment . /lava-10723778/environment / # /lava-10723778/bin/lava-test-runner /lava-10723778/0 /lava-10723778/bin/lava-test-runner /lava-10723778/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10723778/0/tests/0_timesync-off ++ cat uuid + UUID=10723778_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd <6>[ 17.530641] systemd-timesyn (244) used greatest stack depth: 12608 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-10723778/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10723778_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/v5.10.182-cip35-191-gf4efde512959/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-14 11:38:56-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-191-gf4efde512959/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: 3307336 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 194KB/s kselftest.tar.xz 6%[> ] 218.91K 423KB/s kselftest.tar.xz 25%[====> ] 814.23K 987KB/s kselftest.tar.xz 59%[==========> ] 1.88M 1.72MB/s kselftest.tar.xz 91%[=================> ] 2.89M 2.23MB/s kselftest.tar.xz 100%[===================>] 3.15M 2.35MB/s in 1.3s 2023-06-14 11:38:58 (2.35 MB/s) - 'kselftest.tar.xz' saved [3307336/3307336] <6>[ 19.726758] basename (332) used greatest stack depth: 12528 bytes left skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 29.597297] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 30.194027] lkdtm: Performing direct entry BUG <4>[ 30.199404] ------------[ cut here ]------------ <2>[ 30.204874] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 30.211070] invalid opcode: 0000 [#1] SMP PTI <4>[ 30.216226] CPU: 0 PID: 634 Comm: cat Tainted: G W 5.10.184-cip35 #1 <4>[ 30.225069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.232161] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.236834] 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 <4>[ 30.258107] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 30.264233] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.272486] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 30.280747] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.289010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.297271] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 30.305534] FS: 00007ff062ded580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 <4>[ 30.314864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.321571] CR2: 00007ff062bf7000 CR3: 0000000104776002 CR4: 00000000003706f0 <4>[ 30.329833] Call Trace: <4>[ 30.332844] ? __die_body.cold+0x1a/0x1f <4>[ 30.337520] ? die+0x2b/0x50 <4>[ 30.341031] ? do_trap+0x91/0x110 <4>[ 30.345022] ? lkdtm_BUG+0x5/0x10 <4>[ 30.349012] ? do_error_trap+0x90/0x110 <4>[ 30.353584] ? lkdtm_BUG+0x5/0x10 <4>[ 30.357572] ? lkdtm_BUG+0x5/0x10 <4>[ 30.361554] ? exc_invalid_op+0x4e/0x70 <4>[ 30.366127] ? lkdtm_BUG+0x5/0x10 <4>[ 30.370117] ? asm_exc_invalid_op+0x12/0x20 <4>[ 30.375079] ? direct_entry+0xe0/0xe0 <4>[ 30.379464] ? lkdtm_BUG+0x5/0x10 <4>[ 30.383455] direct_entry.cold+0x2c/0x38 <4>[ 30.388124] full_proxy_write+0x53/0x80 <4>[ 30.392702] vfs_write+0xe7/0x3b0 <4>[ 30.396696] ksys_write+0x68/0xf0 <4>[ 30.400688] do_syscall_64+0x30/0x40 <4>[ 30.404966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 30.410897] RIP: 0033:0x7ff062d03473 <4>[ 30.415178] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.436445] RSP: 002b:00007ffe0cd65d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.445193] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff062d03473 <4>[ 30.453454] RDX: 0000000000000004 RSI: 00007ff062bf7000 RDI: 0000000000000001 <4>[ 30.461715] RBP: 00007ff062bf7000 R08: 00007ff062bf6010 R09: 0000000000000000 <4>[ 30.469974] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.478237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.486503] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 30.541193] gsmi: Log Shutdown Reason 0x03 <4>[ 30.546132] ---[ end trace 6fca391b55ed3d2a ]--- <4>[ 30.551628] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.556353] 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 <4>[ 30.577663] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 30.583837] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.592143] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 30.600431] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.608721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.617004] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 30.625292] FS: 00007ff062ded580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 <4>[ 30.634641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.641346] CR2: 00007ff062bf7000 CR3: 0000000104776002 CR4: 00000000003706f0 # Segmentation fault # [ 30.194027] lkdtm: Performing direct entry BUG # [ 30.199404] ------------[ cut here ]------------ # [ 30.204874] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 30.211070] invalid opcode: 0000 [#1] SMP PTI # [ 30.216226] CPU: 0 PID: 634 Comm: cat Tainted: G W 5.10.184-cip35 #1 # [ 30.225069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.232161] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.236834] 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 # [ 30.258107] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 30.264233] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.272486] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f<6>[ 30.780574] lkdtm: Performing direct entry WARNING 7e890 # [ 30.280747] RBP: ffffffffba45d600 R08: 0000000000000<4>[ 30.791342] ------------[ cut here ]------------ 001 R09: 0000000000000001 # [ 30.289010] R10: 00000000ffffe00<4>[ 30.803020] WARNING: CPU: 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.297271] <4>[ 30.818954] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a28332300<4>[ 30.877933] CPU: 0 PID: 671 Comm: cat Tainted: G D W 5.10.184-cip35 #1 0 # [ 30.305534] FS: 00007ff062ded580(0000) GS:ffff98a2fac00<4>[ 30.893009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000(0000) knlGS:0000000000000000 # [ 30.314864] CS: 0010 DS:<4>[ 30.906329] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000 ES: 0000 CR0: 0000000080050033 # [ 30.321571] CR2: 0000<4>[ 30.917740] 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 7ff062bf7000 CR3: 0000000104776002 CR4: 00000000003706f0 # [ <4>[ 30.945262] RSP: 0018:ffffa7f74131fe60 EFLAGS: 00010202 30.329833] Call Trace: # [ 30.332844] ? __die_body.cold+0x1a<4>[ 30.957567] RAX: ffffffffb8f795f0 RBX: 0000000000000002 RCX: 0000000000000000 /0x1f # [ 30.337520] ? die+0x2b/0x50 # [ 30.341031] ? do<4>[ 30.972048] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e8a0 _trap+0x91/0x110 # [ 30.345022] ? lkdtm_BUG+0x5/0x10 # [ <4>[ 30.986515] RBP: ffffffffba3f8f07 R08: 0000000000000000 R09: 0000000000000000 30.349012] ? do_error_trap+0x90/0x110 # [ 30.353584] ? lkdt<4>[ 31.000978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 m_BUG+0x5/0x10 # [ 30.357572] ? lkdtm_BUG+0x5/0x10 # [ 30<4>[ 31.015484] R13: ffffa7f74131ff10 R14: ffffa7f74131ff10 R15: ffff98a285e60000 .361554] ? exc_invalid_op+0x4e/0x70 # [ 30.366127] ? lkdtm_<4>[ 31.029950] FS: 00007fea4a84e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 BUG+0x5/0x10 # [ 30.370117] ? asm_exc_invalid_op+0x12/0x20 <4>[ 31.045501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.375079] ? direct_entry+0xe0/0xe0 # [ 30.379464] ? <4>[ 31.058431] CR2: 00007fea4a658000 CR3: 0000000103272004 CR4: 00000000003706f0 lkdtm_BUG+0x5/0x10 # [ 30.383455] direct_entry.cold+0x2c/0x3<4>[ 31.072921] Call Trace: 8 # [ 30.388124] full_proxy_write+0x53/0x80 # [ 30.392702<4>[ 31.082167] ? __warn+0x80/0x110 ] vfs_write+0xe7/0x3b0 # [ 30.396696] ksys_write+0x68/0xf0 <4>[ 31.092274] ? lkdtm_WARNING+0x13/0x20 # [ 30.400688] do_syscall_64+0x30/0x40 # [ 30.404966] en<4>[ 31.102961] ? report_bug+0x9e/0xc0 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.410897] RIP: 00<4>[ 31.113375] ? handle_bug+0x41/0x90 33:0x7ff062d03473 # [ 30.415178] Code: 8b 15 21 2a 0e 00 f7 d<4>[ 31.123761] ? exc_invalid_op+0x14/0x70 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00<4>[ 31.134581] ? asm_exc_invalid_op+0x12/0x20 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[ 31.145761] ? lkdtm_BUG+0x10/0x10 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.436445] RS<4>[ 31.156066] ? lkdtm_WARNING+0x13/0x20 P: 002b:00007ffe0cd65d78 EFLAGS: 00000246 ORIG_RAX: 000000000000<4>[ 31.166744] direct_entry.cold+0x2c/0x38 0001 # [ 30.445193] RAX: ffffffffffffffda RBX: 00000000000000<4>[ 31.177627] full_proxy_write+0x53/0x80 04 RCX: 00007ff062d03473 # [ 30.453454] RDX: 0000000000000004<4>[ 31.188424] vfs_write+0xe7/0x3b0 RSI: 00007ff062bf7000 RDI: 0000000000000001 # [ 30.461715] R<4>[ 31.198620] ksys_write+0x68/0xf0 BP: 00007ff062bf7000 R08: 00007ff062bf6010 R09: 0000000000000000<4>[ 31.208848] do_syscall_64+0x30/0x40 # [ 30.469974] R10: fffffffffffffbc5 R11: 0000000000000246 R<4>[ 31.219310] entry_SYSCALL_64_after_hwframe+0x61/0xc6 12: 0000000000000001 # [ 30.478237] R13: 0000000000000001 R14<4>[ 31.231506] RIP: 0033:0x7fea4a764473 : 0000000000020000 R15: 0000000000020000 # [ 30.486503] Modul<4>[ 31.242014] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 es linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors c<4>[ 31.269504] RSP: 002b:00007ffd7c814818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu<4>[ 31.284452] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fea4a764473 <4>[ 31.298928] RDX: 0000000000000008 RSI: 00007fea4a658000 RDI: 0000000000000001 strialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usb<4>[ 31.307232] RBP: 00007fea4a658000 R08: 00007fea4a657010 R09: 0000000000000000 pd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_c<4>[ 31.321705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ore videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_<4>[ 31.336215] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro<4>[ 31.350712] irq event stamp: 0 s_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid c<4>[ 31.360639] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot<4>[ 31.374112] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 _table # [ 30.541193] gsmi: Log Shutdown Reason 0x03 # [ 3<4>[ 31.389792] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0.546132] ---[ end trace 6fca391b55ed3d2a ]--- # [ 30.551628]<4>[ 31.405472] softirqs last disabled at (0): [<0000000000000000>] 0x0 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.556353] Code: 89 ff e8 c<4>[ 31.418981] ---[ end trace 6fca391b55ed3d2b ]--- e 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 # [ 30.577663] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 30.583837] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.592143] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 30.600431] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 30.608721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.617004] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 30.625292] FS: 00007ff062ded580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 30.634641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.641346] CR2: 00007ff062bf7000 CR3: 0000000104776002 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 30.780574<6>[ 31.529782] lkdtm: Performing direct entry WARNING_MESSAGE ] lkdtm: Performing direct entry WARNING # [ 30.791342] -----<4>[ 31.536542] ------------[ cut here ]------------ -------[ cut here ]------------ # [ 30.803020] WARNING: CPU: <4>[ 31.548214] Warning message trigger count: 2 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x<4>[ 31.559494] WARNING: CPU: 0 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 20 # [ 30.818954] Modules linked in: fuse ip_tables cros_ec_l<4>[ 31.576171] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table id_angle cros_ec_sensors cros_ec_sensors_core industrialio_trigg<4>[ 31.635160] CPU: 0 PID: 706 Comm: cat Tainted: G D W 5.10.184-cip35 #1 ered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_charde<4>[ 31.650212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 v cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_l<4>[ 31.663527] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhu<4>[ 31.675657] 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 3f ba 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 b cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsm<4>[ 31.703204] RSP: 0018:ffffa7f74139fe60 EFLAGS: 00010286 i x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_c<4>[ 31.715529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ommon regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backligh<4>[ 31.730005] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 t chromeos_pstore coreboot_table # [ 30.877933] CPU: 0 PID: 6<4>[ 31.744520] RBP: ffffffffba3f8f0f R08: 0000000000000000 R09: 0000000000000000 71 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ <4>[ 31.758983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 30.893009] Hardware name: Google Rammus/Rammus, BIOS 09/04/20<4>[ 31.773500] R13: ffffa7f74139ff10 R14: ffffa7f74139ff10 R15: ffff98a285e8c000 20 # [ 30.906329] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 30<4>[ 31.787940] FS: 00007f85263fb580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 .917740] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1<4>[ 31.803522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 01 75 05 c3<4>[ 31.816420] CR2: 00007f8526205000 CR3: 0000000105dde006 CR4: 00000000003706f0 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 0<4>[ 31.830915] Call Trace: 0 00 8b 05 91 55 # [ 30.945262] RSP: 0018:ffffa7f74131fe60 EF<4>[ 31.840207] ? __warn+0x80/0x110 LAGS: 00010202 # [ 30.957567] RAX: ffffffffb8f795f0 RBX: 0000<4>[ 31.850275] ? lkdtm_WARNING_MESSAGE+0x20/0x30 000000000002 RCX: 0000000000000000 # [ 30.972048] RDX: 000000<4>[ 31.861786] ? report_bug+0x9e/0xc0 0000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e8a0 # [ 30<4>[ 31.872235] ? handle_bug+0x41/0x90 .986515] RBP: ffffffffba3f8f07 R08: 0000000000000000 R09: 000000<4>[ 31.882551] ? exc_invalid_op+0x14/0x70 0000000000 # [ 31.000978] R10: 00000000ffffe000 R11: 3fffffff<4>[ 31.893393] ? asm_exc_invalid_op+0x12/0x20 ffffffff R12: 0000000000000008 # [ 31.015484] R13: ffffa7f741<4>[ 31.904548] ? lkdtm_WARNING_MESSAGE+0x20/0x30 31ff10 R14: ffffa7f74131ff10 R15: ffff98a285e60000 # [ 31.029<4>[ 31.916040] direct_entry.cold+0x2c/0x38 950] FS: 00007fea4a84e580(0000) GS:ffff98a2fac00000(0000) knlGS<4>[ 31.926892] full_proxy_write+0x53/0x80 :0000000000000000 # [ 31.045501] CS: 0010 DS: 0000 ES: 0000 <4>[ 31.937698] vfs_write+0xe7/0x3b0 CR0: 0000000080050033 # [ 31.058431] CR2: 00007fea4a658000 CR<4>[ 31.947905] ksys_write+0x68/0xf0 3: 0000000103272004 CR4: 00000000003706f0 # [ 31.072921] Call<4>[ 31.958150] do_syscall_64+0x30/0x40 Trace: # [ 31.082167] ? __warn+0x80/0x110 # [ 31.092274]<4>[ 31.968612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ? lkdtm_WARNING+0x13/0x20 # [ 31.102961] ? report_bug+0x9e<4>[ 31.980764] RIP: 0033:0x7f8526311473 /0xc0 # [ 31.113375] ? handle_bug+0x41/0x90 # [ 31.123761<4>[ 31.991272] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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_invalid_op+0x14/0x70 # [ 31.134581] ? asm_exc_inval<4>[ 32.018793] RSP: 002b:00007ffc3f34bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 id_op+0x12/0x20 # [ 31.145761] ? lkdtm_BUG+0x10/0x10 # [ <4>[ 32.033722] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f8526311473 31.156066] ? lkdtm_WARNING+0x13/0x20 # [ 31.166744] direct_<4>[ 32.048203] RDX: 0000000000000010 RSI: 00007f8526205000 RDI: 0000000000000001 entry.cold+0x2c/0x38 # [ 31.177627] full_proxy_write+0x53/0x<4>[ 32.062681] RBP: 00007f8526205000 R08: 00007f8526204010 R09: 0000000000000000 80 # [ 31.188424] vfs_write+0xe7/0x3b0 # [ 31.198620] ks<4>[ 32.077162] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ys_write+0x68/0xf0 # [ 31.208848] do_syscall_64+0x30/0x40 #<4>[ 32.091654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.219310] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ <4>[ 32.106172] irq event stamp: 0 31.231506] RIP: 0033:0x7fea4a764473 # [ 31.242014] Code: 8b <4>[ 32.116073] hardirqs last enabled at (0): [<0000000000000000>] 0x0 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[ 32.129609] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[ 32.145242] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 32.160886] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.269504] RSP: 002b:00007ffd7c814818 EFLAGS: 00000246 ORI<4>[ 32.174392] ---[ end trace 6fca391b55ed3d2c ]--- G_RAX: 0000000000000001 # [ 31.284452] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fea4a764473 # [ 31.298928] RDX: 0000000000000008 RSI: 00007fea4a658000 RDI: 0000000000000001 # [ 31.307232] RBP: 00007fea4a658000 R08: 00007fea4a657010 R09: 0000000000000000 # [ 31.321705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.336215] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.350712] irq event stamp: 0 # [ 31.360639] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.374112] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 31.389792] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 31.405472] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.4<6>[ 32.263494] lkdtm: Performing direct entry EXCEPTION <1>[ 32.272665] BUG: kernel NULL pointer dereference, address: 0000000000000000 18981] ---[ end trace 6fca391b55ed3d2b ]--- # WARNING: saw 'WAR<1>[ 32.280756] #PF: supervisor write access in kernel mode <1>[ 32.293091] #PF: error_code(0x0002) - not-present page <6>[ 32.299115] PGD 0 P4D 0 <4>[ 32.302230] Oops: 0002 [#2] SMP PTI <4>[ 32.306411] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 32.315250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.322348] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 32.327598] Code: 48 c7 c7 68 94 3f ba 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 <4>[ 32.348857] RSP: 0018:ffffa7f74141fe60 EFLAGS: 00010282 <4>[ 32.354980] RAX: ffffffffb8f79640 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 32.363238] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffb9f7e8c0 <4>[ 32.371498] RBP: ffffffffba2ed46f R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.379749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 32.388007] R13: ffffa7f74141ff10 R14: ffffa7f74141ff10 R15: ffff98a286a64000 <4>[ 32.396265] FS: 00007fde9e9f4580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 32.405591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.412295] CR2: 0000000000000000 CR3: 00000001034b6003 CR4: 00000000003706e0 <4>[ 32.420553] Call Trace: <4>[ 32.423573] ? __die_body.cold+0x1a/0x1f <4>[ 32.428240] ? no_context+0x177/0x380 <4>[ 32.432619] ? exc_page_fault+0x53/0x170 <4>[ 32.437285] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.442244] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 32.447486] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 32.452058] direct_entry.cold+0x2c/0x38 <4>[ 32.456727] full_proxy_write+0x53/0x80 <4>[ 32.461298] vfs_write+0xe7/0x3b0 <4>[ 32.465286] ksys_write+0x68/0xf0 <4>[ 32.469265] do_syscall_64+0x30/0x40 <4>[ 32.473535] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 32.479464] RIP: 0033:0x7fde9e90a473 <4>[ 32.483743] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 32.505013] RSP: 002b:00007ffe2cc12e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 NING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdt<4>[ 32.513760] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde9e90a473 <4>[ 32.528230] RDX: 000000000000000a RSI: 00007fde9e7fe000 RDI: 0000000000000001 <4>[ 32.536489] RBP: 00007fde9e7fe000 R08: 00007fde9e7fd010 R09: 0000000000000000 <4>[ 32.544747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.553003] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: WARNING_MESSAGE.sh # [ 31.529782] lkdtm: Performing direct<4>[ 32.561267] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 32.620243] CR2: 0000000000000000 <4>[ 32.624221] ---[ end trace 6fca391b55ed3d2d ]--- <4>[ 32.629657] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.634315] 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 <4>[ 32.655575] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 32.661698] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.669955] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 32.678213] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.686471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.694729] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 32.702987] FS: 00007fde9e9f4580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 32.712311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.719017] CR2: 0000000000000000 CR3: 00000001034b6003 CR4: 00000000003706e0 <3>[ 32.727274] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 32.737474] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat <4>[ 32.746122] INFO: lockdep is turned off. <4>[ 32.750787] irq event stamp: 0 <4>[ 32.754484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.761772] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 32.771187] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 32.780602] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 32.787890] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 32.796729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.803820] Call Trace: <4>[ 32.806839] dump_stack+0x77/0x9b <4>[ 32.810826] ___might_sleep.cold+0xa6/0xb6 <4>[ 32.815688] exit_signals+0x1c/0x300 <4>[ 32.819966] do_exit+0xc2/0xab0 <4>[ 32.823760] ? ksys_write+0x68/0xf0 <4>[ 32.827942] make_task_dead+0x2f/0x30 <4>[ 32.832318] rewind_stack_and_make_dead+0x17/0x20 <4>[ 32.837849] RIP: 0033:0x7fde9e90a473 <4>[ 32.842128] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 32.863398] RSP: 002b:00007ffe2cc12e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.872141] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde9e90a473 <4>[ 32.880399] RDX: 000000000000000a RSI: 00007fde9e7fe000 RDI: 0000000000000001 <4>[ 32.888659] RBP: 00007fde9e7fe000 R08: 00007fde9e7fd010 R09: 0000000000000000 <4>[ 32.896917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.905175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 entry WARNING_MESSAGE # [ 31.536542] ------------[ cut here ]------------ # [ 31.548214] Warning message trigger count: 2 # [ 31.559494] WARNING: CPU: 0 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.576171] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 31.635160] CPU: 0 PID: 706 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 31.650212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.663527] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.675657] 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 3f ba 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 # [ 31.703204] RSP: 0018:ffffa7f74139fe60 EFLAGS: 00010286 # [ 31.715529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 31.730005] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 31.744520] RBP: ffffffffba3f8f0f R08: 0000000000000000 R09: 0000000000000000 # [ 31.758983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 31.773500] R13: ffffa7f74139ff10 R14: ffffa7f74139ff10 R15: ffff98a285e8c000 # [ 31.787940] FS: 00007f85263fb580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 31.803522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.816420] CR2: 00007f8526205000 CR3: 0000000105dde006 CR4: 00000000003706f0 # [ 31.830915] Call Trace: # [ 31.840207] ? __warn+0x80/0x110 # [ 31.850275] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.861786] ? report_bug+0x9e/0xc0 # [ 31.872235] ? handle_bug+0x41/0x90 # [ 31.882551] ? exc_invalid_op+0x14/0x70 # [ 31.893393] ? asm_exc_invalid_op+0x12/0x20 # [ 31.904548] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 31.916040] direct_entry.cold+0x2c/0x38 # [ 31.926892] <6>[ 33.141102] lkdtm: Performing direct entry CORRUPT_LIST_ADD full_proxy_write+0x53/0x80 # [ 31.937698] vfs_write+0xe7/0x3<6>[ 33.149974] lkdtm: attempting good list addition b0 # [ 31.947905] ksys_write+0x68/0xf0 # [ 31.958150] do<6>[ 33.161639] lkdtm: attempting corrupted list addition <3>[ 33.173783] lkdtm: list_add() corruption not detected! _syscall_64+0x30/0x40 # [ 31.968612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.980764] RIP: 0033:0x7f8526311473 # [ 31.991272] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.018793] RSP: 002b:00007ffc3f34bb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.033722] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f8526311473 # [ 32.048203] RDX: 0000000000000010 RSI: 00007f8526205000 RDI: 0000000000000001 # [ 32.062681] RBP: 00007f8526205000 R08: 00007f8526204010 R09: 0000000000000000 # [ 32.077162] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.091654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.106172] irq event stamp: 0 # [ 32.116073] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.129609] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 32.145242] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 32.160886] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.174392] ---[ end trace 6fca391b55ed3d2c ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 32.263494] lkdtm: Performing direct entry EXCEPTION # [ 32.272665] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 32.280756] #PF: supervisor write ac<6>[ 33.331958] lkdtm: Performing direct entry CORRUPT_LIST_DEL cess in kernel mode # [ 32.293091] #PF: error_code(0x0002) - <6>[ 33.341719] lkdtm: attempting good list removal not-present page # [ 32.299115] PGD 0 P4D 0 # [ 32.302230<6>[ 33.353287] lkdtm: attempting corrupted list removal ] Oops: 0002 [#2] SMP PTI # [ 32.306411] CPU: 3 PID: 738 Comm<3>[ 33.365364] lkdtm: list_del() corruption not detected! : cat Tainted: G D W 5.10.184-cip35 #1 # [ 32.315250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.322348] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 32.327598] Code: 48 c7 c7 68 94 3f ba 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 # [ 32.348857] RSP: 0018:ffffa7f74141fe60 EFLAGS: 00010282 # [ 32.354980] RAX: ffffffffb8f79640 RBX: 0000000000000004 RCX: 0000000000000000 # [ 32.363238] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffb9f7e8c0 # [ 32.371498] RBP: ffffffffba2ed46f R08: 0000000000000000 R09: 0000000000000000 # [ 32.379749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 32.388007] R13: ffffa7f74141ff10 R14: ffffa7f74141ff10 R15: ffff98a286a64000 # [ 32.396265] F<6>[ 33.462408] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 33.471888] lkdtm: attempting bad read from page below current stack <0>[ 33.479311] BUG: stack guard page was hit at 00000000066bb1d2 (stack is 000000008063e27d..00000000d77215f5) S: 00007fde9e9f4580(0000) GS:ffff98a2fad80000(0000) knlGS:00000<4>[ 33.490502] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 33.503816] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 33.512657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.519753] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 33.526555] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 98 3f ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 62 de fb ff 48 c7 c7 48 98 3f ba <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 48 de fb ff 0f 1f 44 <4>[ 33.547817] RSP: 0018:ffffa7f74171fe50 EFLAGS: 00010246 <4>[ 33.553940] RAX: 0000000000000038 RBX: ffffa7f74171c000 RCX: 0000000000000000 <4>[ 33.562197] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f9848 <4>[ 33.570457] RBP: ffffffffba3f8f72 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.578715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 33.586974] R13: ffffa7f74171ff10 R14: ffffa7f74171ff10 R15: ffff98a285daf000 <4>[ 33.595233] FS: 00007f8ce5634580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 33.604551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.611256] CR2: ffffa7f74171bfff CR3: 00000001069ee004 CR4: 00000000003706e0 <4>[ 33.619513] Call Trace: <4>[ 33.622530] <#DF> <4>[ 33.625055] ? __die_body.cold+0x1a/0x1f <4>[ 33.629724] ? die+0x2b/0x50 <4>[ 33.633225] ? handle_stack_overflow+0x3e/0x4d <4>[ 33.638476] ? no_context+0x24d/0x380 <4>[ 33.642850] 00<000000000 # [ 32.405591] CS: 0010 DS: 0000 ES: 0000 CR0: 04>[ 33.645478] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 33.704464] ---[ end trace 6fca391b55ed3d2e ]--- <4>[ 33.709910] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.714576] 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 <4>[ 33.735846] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 33.741969] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.750229] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 33.758489] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.766748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.775007] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 33.783265] FS: 00007f8ce5634580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 33.792592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.799296] CR2: ffffa7f74171bfff CR3: 00000001069ee004 CR4: 00000000003706e0 <3>[ 33.807556] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.817748] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat <4>[ 33.826396] INFO: lockdep is turned off. <4>[ 33.831062] irq event stamp: 0 <4>[ 33.834759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.842049] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 33.851473] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 33.860896] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.868183] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 33.877025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.884117] Call Trace: <4>[ 33.887134] dump_stack+0x77/0x9b <4>[ 33.891113] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.895967] exit_signals+0x1c/0x300 <4>[ 33.900247] do_exit+0xc2/0xab0 <4>[ 33.904042] ? ksys_write+0x68/0xf0 <4>[ 33.908224] make_task_dead+0x2f/0x30 <4>[ 33.912598] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.918139] RIP: 0033:0x7f8ce554a473 <4>[ 33.922417] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 33.943675] RSP: 002b:00007ffdfcd77af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.952420] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ce554a473 <4>[ 33.960677] RDX: 0000000000000019 RSI: 00007f8ce543e000 RDI: 0000000000000001 <4>[ 33.968936] RBP: 00007f8ce543e000 R08: 00007f8ce543d010 R09: 0000000000000000 <4>[ 33.977192] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.985450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000080050033 # [ 32.412295] CR2: 0000000000000000 CR3: 00000001034b6003 CR4: 00000000003706e0 # [ 32.420553] Call Trace: # [ 32.423573] ? __die_body.cold+0x1a/0x1f # [ 32.428240] ? no_context+0x177/0x380 # [ 32.432619] ? exc_page_fault+0x53/0x170 # [ 32.437285] ? asm_exc_page_fault+0x1e/0x30 # [ 32.442244] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 32.447486] ? lkdtm_EXCEPTION+0x5/0x20 # [ 32.452058] direct_entry.cold+0x2c/0x38 # [ 32.456727] full_proxy_write+0x53/0x80 # [ 32.461298] vfs_write+0xe7/0x3b0 # [ 32.465286] ksys_write+0x68/0xf0 # [ 32.469265] do_syscall_64+0x30/0x40 # [ 32.473535] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.479464] RIP: 0033:0x7fde9e90a473 # [ 32.483743] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <6>[ 34.074293] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 34.081935] lkdtm: attempting bad read from page above current stack <0>[ 34.089334] BUG: stack guard page was hit at 00000000deec69e5 (stack is 00000000aad61b41..0000000032b24763) 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 34.100533] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 34.113838] CPU: 3 PID: 996 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 34.122680] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f<0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 4>[ 34.129777] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 34.142893] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 80 98 3f ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 de fb ff 48 c7 c7 c0 98 3f ba <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 0b de fb ff <4>[ 34.164164] RSP: 0018:ffffa7f741787e50 EFLAGS: 00010246 <4>[ 34.170288] RAX: 0000000000000038 RBX: ffffa7f741784000 RCX: 0000000000000000 <4>[ 34.178545] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f98c0 <4>[ 34.186803] RBP: ffffffffba3f8f8b R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.195062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 34.203320] R13: ffffa7f741787f10 R14: ffffa7f741787f10 R15: ffff98a285c63000 <4>[ 34.211578] FS: 00007f27f8960580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 34.220904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.227608] CR2: ffffa7f741788000 CR3: 00000001069ee001 CR4: 00000000003706e0 <4>[ 34.235867] Call Trace: <4>[ 34.238884] <#DF> <4>[ 34.241408] ? __die_body.cold+0x1a/0x1f <4>[ 34.246076] ? die+0x2b/0x50 <4>[ 34.249570] ? handle_stack_overflow+0x3e/0x4d <4>[ 34.254821] ? no_context+0x24d/0x380 <4>[ 34.259195] <4>[ 34.261822] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 32.505013] RSP: 002b:00007ffe2cc12e18 EFLAGS: 00000246 ORIG_RAX<4>[ 34.314596] ---[ end trace 6fca391b55ed3d2f ]--- <4>[ 34.326250] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.330908] 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 <4>[ 34.352176] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 34.358299] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.366557] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 34.374815] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.383074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.391331] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 34.399588] FS: 00007f27f8960580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 34.408913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.415612] CR2: ffffa7f741788000 CR3: 00000001069ee001 CR4: 00000000003706e0 : 0000000000000001 # [ 32.513760] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde9e90a473 # [ 32.528230] RDX: 000000000000000a RSI: 00007fde9e7fe000 RDI: 0000000000000001 # [ 32.536489] RBP: 00007fde9e7fe000 R08: 00007fde9e7fd010 R09: 0000000000000000 # [ 32.544747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.553003] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.561267] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 32.620243] CR2: 0000000000000000 # <6>[ 34.517337] lkdtm: Performing direct entry UNSET_SMEP [ 32.624221] ---[ end trace 6fca391b55ed3d2d ]--- # [ 32.62<6>[ 34.529296] lkdtm: trying to clear SMEP normally 9657] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.634315] Code: 89 ff<4>[ 34.540987] ------------[ cut here ]------------ e8 ce e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff <4>[ 34.552617] pinned CR4 bits changed: 0x100000!? c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b<4>[ 34.564208] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 # <4>[ 34.580923] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 32.655575] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ <4>[ 34.639890] CPU: 0 PID: 1032 Comm: cat Tainted: G D W 5.10.184-cip35 #1 32.661698] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 00<4>[ 34.655050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000000 # [ 32.669955] RDX: 0000000000000000 RSI: ffff<4>[ 34.668372] RIP: 0010:native_write_cr4+0x45/0x60 98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 32.678213] RBP: ffffff<4>[ 34.680062] 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 2f ba 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 ffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 32<4>[ 34.707530] RSP: 0018:ffffa7f741807e48 EFLAGS: 00010286 .686471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 34.719908] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 0000000004 # [ 32.694729] R13: ffffa7f7412b7f10 R14: ffffa7f7<4>[ 34.734412] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 412b7f10 R15: ffff98a283323000 # [ 32.702987] FS: 00007fde9e<4>[ 34.748866] RBP: ffffffffba3f8fa5 R08: 0000000000000000 R09: 0000000000000000 9f4580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 #<4>[ 34.763334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 32.712311] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[ 34.777829] R13: ffffa7f741807f10 R14: ffffa7f741807f10 R15: ffff98a2830ab000 3 # [ 32.719017] CR2: 0000000000000000 CR3: 00000001034b6003 <4>[ 34.792307] FS: 00007f79aa31e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 CR4: 00000000003706e0 # [ 32.727274] BUG: sleeping function c<4>[ 34.807834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 alled from invalid context at include/linux/percpu-rwsem.h:49 #<4>[ 34.820755] CR2: 00007f79aa128000 CR3: 00000001034ba004 CR4: 00000000003706f0 [ 32.737474] in_atomic(): 0, irqs_disabled(): 1, non_block: 0<4>[ 34.835235] Call Trace: , pid: 738, name: cat # [ 32.746122] INFO: lockdep is turned <4>[ 34.844477] ? __warn+0x80/0x110 off. # [ 32.750787] irq event stamp: 0 # [ 32.754484] hard<4>[ 34.854573] ? native_write_cr4+0x45/0x60 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.76<4>[ 34.865585] ? report_bug+0x9e/0xc0 1772] hardirqs last disabled at (0): [] copy_p<4>[ 34.876025] ? handle_bug+0x41/0x90 rocess+0x664/0x1c60 # [ 32.771187] softirqs last enabled at <4>[ 34.886392] ? exc_invalid_op+0x14/0x70 (0): [] copy_process+0x664/0x1c60 # [ 32.78<4>[ 34.897191] ? asm_exc_invalid_op+0x12/0x20 0602] softirqs last disabled at (0): [<0000000000000000>] 0x0 #<4>[ 34.908389] ? native_write_cr4+0x45/0x60 [ 32.787890] CPU: 3 PID: 738 Comm: cat Tainted: G D W <4>[ 34.919418] ? native_write_cr4+0x45/0x60 5.10.184-cip35 #1 # [ 32.796729] Hardware name: Google <4>[ 34.930395] lkdtm_UNSET_SMEP.cold+0x1d/0x103 Rammus/Rammus, BIOS 09/04/2020 # [ 32.803820] Call Trace: #<4>[ 34.941822] direct_entry.cold+0x2c/0x38 [ 32.806839] dump_stack+0x77/0x9b # [ 32.810826] ___migh<4>[ 34.952675] full_proxy_write+0x53/0x80 t_sleep.cold+0xa6/0xb6 # [ 32.815688] exit_signals+0x1c/0x30<4>[ 34.963542] vfs_write+0xe7/0x3b0 0 # [ 32.819966] do_exit+0xc2/0xab0 # [ 32.823760] ? ksy<4>[ 34.973712] ksys_write+0x68/0xf0 s_write+0x68/0xf0 # [ 32.827942] make_task_dead+0x2f/0x30 #<4>[ 34.984012] do_syscall_64+0x30/0x40 [ 32.832318] rewind_stack_and_make_dead+0x17/0x20 # [ 32.<4>[ 34.994456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 837849] RIP: 0033:0x7fde9e90a473 # [ 32.842128] Code: 8b 15 2<4>[ 35.006633] RIP: 0033:0x7f79aa234473 1 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64<4>[ 35.017098] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0<4>[ 35.044648] RSP: 002b:00007fffd580b478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 35.059574] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f79aa234473 32.863398] RSP: 002b:00007ffe2cc12e18 EFLAGS: 00000246 ORIG_RA<4>[ 35.074076] RDX: 000000000000000b RSI: 00007f79aa128000 RDI: 0000000000000001 X: 0000000000000001 # [ 32.872141] RAX: ffffffffffffffda RBX:<4>[ 35.088530] RBP: 00007f79aa128000 R08: 00007f79aa127010 R09: 0000000000000000 000000000000000a RCX: 00007fde9e90a473 # [ 32.880399] RDX: 0<4>[ 35.103039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000000a RSI: 00007fde9e7fe000 RDI: 0000000000000001 # [<4>[ 35.117492] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 32.888659] RBP: 00007fde9e7fe000 R08: 00007fde9e7fd010 R09: 0<4>[ 35.132002] irq event stamp: 0 000000000000000 # [ 32.896917] R10: fffffffffffffbc5 R11: 000<4>[ 35.141886] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000246 R12: 0000000000000001 # [ 32.905175] R13: 00000<4>[ 35.155421] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 00000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEP<4>[ 35.171065] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 TION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh<4>[ 35.186758] softirqs last disabled at (0): [<0000000000000000>] 0x0 # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system<4>[ 35.200242] ---[ end trace 6fca391b55ed3d30 ]--- ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXH<6>[ 35.211933] lkdtm: ok: SMEP did not get cleared AUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on fail<6>[ 35.223494] lkdtm: trying to clear SMEP with call gadget ure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests<6>[ 35.235973] lkdtm: ok: SMEP removal was reverted : lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 33.141102] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 33.149974] lkdtm: attempting good list addition # [ 33.161639] lkdtm: attempting corrupted list addition # [ 33.173783] 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 # [ 33.331958] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 33.341719] lkdtm: attempting good list removal # [ 33.353287] lkdtm: attemptin<6>[ 35.331419] lkdtm: Performing direct entry DOUBLE_FAULT g corrupted list removal # [ 33.365364] lkdtm: list_del() cor<3>[ 35.340745] lkdtm: XFAIL: this test is ia32-only ruption 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 # [ 33.462408] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 33.471888] lkdtm: attempting bad read from page below current stack # [ 33.479311] BUG: stack guard page was hit at 00000000066bb1d2 (stack is 000000008063e27d..00000000d77215f5) # [ 33.490502] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 33.503816] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 33.512657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.519753] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x<6>[ 35.426360] lkdtm: Performing direct entry CORRUPT_PAC 27/0x3a # [ 33.526555] Code: cc cc cc 0f 1f 44 00 00 53 48 c7<3>[ 35.433073] lkdtm: XFAIL: this test is arm64-only c7 08 98 3f ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 62 de fb ff 48 c7 c7 48 98 3f ba <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 48 de fb ff 0f 1f 44 # [ 33.547817] RSP: 0018:ffffa7f74171fe50 EFLAGS: 00010246 # [ 33.553940] RAX: 0000000000000038 RBX: ffffa7f74171c000 RCX: 0000000000000000 # [ 33.562197] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f9848 # [ 33.570457] RBP: ffffffffba3f8f72 R08: 0000000000000000 R09: 0000000000000000 # [ 33.578715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 33.586974] R13: ffffa7f74171ff10 R14: ffffa7f74171ff10 R15: ffff98a285daf000 # [ 33.595233] FS: 00007f8ce5634580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 33.604551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.611256] CR2: ffffa7f74171bfff CR3: 00000001069ee004 CR4: 00000000003706e0 # [ <6>[ 35.527668] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 35.539319] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 33.619513] Call Trace: # [ 33.622530] <#DF> # [ 33.625055] ? __die_body.cold+0x1a/0x1f # [ 33.629724] ? die+0x2b/0x50 # [ 33.633225] ? handle_stack_overflow+0x3e/0x4d # [ 33.638476] ? no_context+0x24d/0x380 # [ 33.642850] # [ 33.645478] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.704464] ---[ end trace 6fca391b55ed3d2e ]--- # [ 33.709910] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.714576] 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 # [ 33.735846] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 33.741969] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.750229] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 33.758489] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 33.766748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.775007] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 33.783265] FS: 00007f8ce5634580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 33.792592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.799296] CR2: ffffa7f74171bfff CR3: 00000001069ee004 CR4: 00000000003706e0 # [ 33.807556] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.817748] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 963, name: cat # [ 33.826396] INFO: lockdep is turned off. # [ 33.831062] irq event<6>[ 35.749727] lkdtm: Performing direct entry READ_AFTER_FREE stamp: 0 # [ 33.834759] hardirqs last enabled at (0): [<000<6>[ 35.758944] lkdtm: Value in memory before free: 12345678 0000000000000>] 0x0 # [ 33.842049] hardirqs last disabled at <6>[ 35.771392] lkdtm: Attempting bad read from freed memory (0): [] copy_process+0x664/0x1c60 # [ 33.85<6>[ 35.783825] lkdtm: Memory was not poisoned 1473] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 33.860896] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.868183] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 33.877025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.884117] Call Trace: # [ 33.887134] dump_stack+0x77/0x9b # [ 33.891113] ___might_sleep.cold+0xa6/0xb6 # [ 33.895967] exit_signals+0x1c/0x300 # [ 33.900247] do_exit+0xc2/0xab0 # [ 33.904042] ? ksys_write+0x68/0xf0 # [ 33.908224] make_task_dead+0x2f/0x30 # [ 33.912598] rewind_stack_and_make_dead+0x17/0x20 # [ 33.918139] RIP: 0033:0x7f8ce554a473 # [ 33.922417] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.943675] RSP: 002b:00007ffdfcd77af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.952420] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8ce554a473 # [ 33.960677] RDX: 0000000000000019 RSI: 00007f8ce54<6>[ 35.900594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 3e000 RDI: 0000000000000001 # [ 33.968936] RBP: 00007f8ce543e<6>[ 35.913781] lkdtm: Value in memory before free: 12345678 000 R08: 00007f8ce543d010 R09: 0000000000000000 # [ 33.977192<6>[ 35.926216] lkdtm: Attempting to read from freed memory ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<6>[ 35.938554] lkdtm: Buddy page was not poisoned 001 # [ 33.985450] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 34.074293] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 34.081935] lkdtm: attempting bad read from page above current stack # [ 34.089334] BUG: stack guard page was hit at 00000000deec69e5 (stack is 00000000aad61b41..0000000032b24763) # [ 34.100533] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 34.113838] CPU: 3 PID: 996 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 34.122680] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <6>[ 36.023213] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 34.129777] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <6>[ 36.031131] lkdtm: Attempting double slab free ... # [ 34.142893] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 80 98 3f ba 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 de fb ff 48 c7 c7 c0 98 3f ba <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 0b de fb ff # [ 34.164164] RSP: 0018:ffffa7f741787e50 EFLAGS: 00010246 # [ 34.170288] RAX: 0000000000000038 RBX: ffffa7f741784000 RCX: 0000000000000000 # [ 34.178545] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f98c0 # [ 34.186803] RBP: ffffffffba3f8f8b R08: 0000000000000000 R09: 0000000000000000 # [ 34.195062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 34.203320] R13: ffffa7f741787f10 R14: ffffa7f741787f10 R15: ffff98a285c63000 # [ 34.211578] FS: 00007f27f8960580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 34.220904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.227608] CR2: ffffa7f741788000 CR3: 00000001069ee001 CR4: 00000000003706e0 # [ 34.235<6>[ 36.136088] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 36.142626] lkdtm: Attempting cross-cache slab free ... 867] Call Trace: # [ 34.238884] <#DF> # [ 34.241408] ? __die_body.cold+0x1a/0x1f # [ 34.246076] ? die+0x2b/0x50 # [ 34.249570] ? handle_stack_overflow+0x3e/0x4d # [ 34.254821] ? no_context+0x24d/0x380 # [ 34.259195] # [ 34.261822] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.314596] ---[ end trace 6fca391b55<6>[ 36.228699] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 36.235924] lkdtm: Attempting non-Slab slab free ... ed3d2f ]--- # [ 34.326250] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.330908] 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 # [ 34.352176] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 34.358299] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.366557] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 34.374815] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 34.383074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.391331] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 34.399588] FS: 00007f27f8960580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 34.408913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.415612] CR2: ffffa7f741788000 CR3: 00000001069ee001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 34.517337] lkdtm: Performing direct entry UNSET_SMEP # [ 34.529296] lkdtm: trying to clear SMEP normally # [ 34.540987] ------------[ cut here ]------------ # [ 34.552617] pinned CR4 bits changed: 0x100000!? # [ 34.564208] WARNING: CPU: 0 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 34.580923] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf<6>[ 36.426214] lkdtm: Performing direct entry EXEC_DATA <6>[ 36.434122] lkdtm: attempting ok execution at ffffffffb8f799b0 <6>[ 36.440960] lkdtm: attempting bad execution at ffffffffbbe0ebe0 2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backl<2>[ 36.447868] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 36.462723] BUG: unable to handle page fault for address: ffffffffbbe0ebe0 <1>[ 36.470691] #PF: supervisor instruction fetch in kernel mode <1>[ 36.477291] #PF: error_code(0x0011) - permissions violation <6>[ 36.483803] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000624000e3 <4>[ 36.491578] Oops: 0011 [#5] SMP PTI <4>[ 36.495760] CPU: 2 PID: 1539 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 36.504689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.511785] RIP: 0010:data_area+0x0/0x40 <4>[ 36.516453] Code: ff ff 00 71 e7 84 a2 98 ff ff 00 70 e7 84 a2 98 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 36.537720] RSP: 0018:ffffa7f742057e48 EFLAGS: 00010246 <4>[ 36.543843] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.552101] RDX: 0000000000000000 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 <4>[ 36.560359] RBP: ffffffffbbe0ebe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.568618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.576876] R13: ffffa7f742057f10 R14: ffffa7f742057f10 R15: ffff98a284054000 <4>[ 36.585136] FS: 00007f21337f9580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 <4>[ 36.594452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.601158] CR2: ffffffffbbe0ebe0 CR3: 0000000102a3c001 CR4: 00000000003706e0 <4>[ 36.609416] Call Trace: <4>[ 36.612449] ? __die_body.cold+0x1a/0x1f <4>[ 36.617118] ? no_context+0x177/0x380 <4>[ 36.621497] ? exc_page_fault+0xd7/0x170 <4>[ 36.626165] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.631129] ? execute_location+0x45/0x56 <4>[ 36.635893] ? direct_entry.cold+0x2c/0x38 <4>[ 36.640748] ? full_proxy_write+0x53/0x80 <4>[ 36.645513] ? vfs_write+0xe7/0x3b0 <4>[ 36.649695] ? ksys_write+0x68/0xf0 <4>[ 36.653877] ? do_syscall_64+0x30/0x40 <4>[ 36.658351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ight chromeos_pstore coreboot_table # [ 34.639890] CPU: 0 PID<4>[ 36.664467] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 36.723447] CR2: ffffffffbbe0ebe0 <4>[ 36.727446] ---[ end trace 6fca391b55ed3d31 ]--- <4>[ 36.732889] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.737555] 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 <4>[ 36.758838] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 36.764964] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.773212] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 36.781469] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.789727] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.797985] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 36.806243] FS: 00007f21337f9580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 <4>[ 36.815568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.822273] CR2: ffffffffbbe0ebe0 CR3: 0000000102a3c001 CR4: 00000000003706e0 <3>[ 36.830531] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.840731] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat <4>[ 36.849475] INFO: lockdep is turned off. <4>[ 36.854141] irq event stamp: 0 <4>[ 36.857838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.865126] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 36.874541] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 36.883963] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.891251] CPU: 2 PID: 1539 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 36.900188] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.907283] Call Trace: <4>[ 36.910300] dump_stack+0x77/0x9b <4>[ 36.914288] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.919149] exit_signals+0x1c/0x300 <4>[ 36.923429] do_exit+0xc2/0xab0 <4>[ 36.927214] ? ksys_write+0x68/0xf0 <4>[ 36.931399] make_task_dead+0x2f/0x30 <4>[ 36.935776] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.941316] RIP: 0033:0x7f213370f473 <4>[ 36.945593] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.966860] RSP: 002b:00007ffcb9f8bf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.975603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f213370f473 <4>[ 36.983861] RDX: 000000000000000a RSI: 00007f2133603000 RDI: 0000000000000001 <4>[ 36.992120] RBP: 00007f2133603000 R08: 00007f2133602010 R09: 0000000000000000 <4>[ 37.000398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.008656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 1032 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 34.655050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.668372] RIP: 0010:native_write_cr4+0x45/0x60 # [ 34.680062] 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 2f ba 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 # [ 34.707530] RSP: 0018:ffffa7f741807e48 EFLAGS: 00010286 # [ 34.719908] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 34.734412] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 34.748866] RBP: ffffffffba3f8fa5 R08: 0000000000000000 R09: 0000000000000000 # [ 34.763334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 34.777829] R13: ffffa7f741807f10 R14: ffffa7f741807f10 R15: ffff98a2830ab000 # [ 34.792307] FS: 00007f79aa31e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 34.807834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.820755] CR2: 00007f79aa12<6>[ 37.119948] lkdtm: Performing direct entry EXEC_STACK 8000 CR3: 00000001034ba004 CR4: 00000000003706f0 # [ 34.83523<6>[ 37.128560] lkdtm: attempting ok execution at ffffffffb8f799b0 5] Call Trace: # [ 34.844477] ? __warn+0x80/0x110 # [ 34.<6>[ 37.141586] lkdtm: attempting bad execution at ffffa7f741fefe18 854573] ? native_write_cr4+0x45/0x60 # [ 34.865585] ? repor<2>[ 37.154695] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 37.169566] BUG: unable to handle page fault for address: ffffa7f741fefe18 t_bug+0x9e/0xc0 # [ 34.876025] ? handle_bug+0x41/0x90 # [ <1>[ 37.177540] #PF: supervisor instruction fetch in kernel mode <1>[ 37.190363] #PF: error_code(0x0011) - permissions violation 34.886392] ? exc_invalid_op+0x14/0x70 # [ 34.897191] ? asm<6>[ 37.196875] PGD 100000067 P4D 100000067 PUD 100231067 PMD 105bd4067 PTE 8000000106b1f063 <4>[ 37.212413] Oops: 0011 [#6] SMP PTI <4>[ 37.216597] CPU: 1 PID: 1576 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 37.225536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.232622] RIP: 0010:0xffffa7f741fefe18 <4>[ 37.237288] Code: 00 00 18 fe fe 41 f7 a7 ff ff a4 d6 60 b9 ff ff ff ff 20 00 00 00 00 00 00 00 ce 90 3f ba ff ff ff ff d3 d7 60 b9 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 37.258556] RSP: 0018:ffffa7f741fefdf8 EFLAGS: 00010246 <4>[ 37.264679] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.272937] RDX: 0000000000000000 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 <4>[ 37.281196] RBP: ffffa7f741fefe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.289455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 37.297714] R13: ffffa7f741feff10 R14: ffffa7f741feff10 R15: ffff98a283f42000 <4>[ 37.305972] FS: 00007f7155050580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 37.315299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.321996] CR2: ffffa7f741fefe18 CR3: 00000001069e6001 CR4: 00000000003706e0 <4>[ 37.330253] Call Trace: <4>[ 37.333274] ? __die_body.cold+0x1a/0x1f _exc_invalid_op+0x12/0x20 # [ 34.908389] ? native_write_cr4+<4>[ 37.337943] ? no_context+0x177/0x380 <4>[ 37.348530] ? exc_page_fault+0xd7/0x170 0x45/0x60 # [ 34.919418] ? native_write_cr4+0x45/0x60 # [ <4>[ 37.353198] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.364390] ? execute_location+0x45/0x56 34.930395] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 34.941822] <4>[ 37.369159] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 37.380136] ? direct_entry.cold+0x2c/0x38 <4>[ 37.385000] ? full_proxy_write+0x53/0x80 direct_entry.cold+0x2c/0x38 # [ 34.952675] full_proxy_write<4>[ 37.389767] ? vfs_write+0xe7/0x3b0 <4>[ 37.400159] ? ksys_write+0x68/0xf0 <4>[ 37.404341] ? do_syscall_64+0x30/0x40 <4>[ 37.408815] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 +0x53/0x80 # [ 34.963542] vfs_write+0xe7/0x3b0 # [ 34.973<4>[ 37.414941] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.473881] CR2: ffffa7f741fefe18 <4>[ 37.477868] ---[ end trace 6fca391b55ed3d32 ]--- <4>[ 37.483314] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.487982] 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 <4>[ 37.509249] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 37.515389] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 712] ksys_write+0x68/0xf0 # [ 34.984012] do_syscall_64+0x30<4>[ 37.523657] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 37.538128] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.546396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.554654] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 37.562913] FS: 00007f7155050580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 37.572231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.578936] CR2: ffffa7f741fefe18 CR3: 00000001069e6001 CR4: 00000000003706e0 /0x40 # [ 34.994456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.006633] RIP: 0033:0x7f79aa234473 # [ 35.017098] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.044648] RSP: 002b:00007fffd580b478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.059574] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f79aa234473 # [ 35.074076] RDX: 000000000000000b RSI: 00007f79aa128000 RDI: 0000000000000001 # [ 35.088530] RBP: 00007f79aa128000 R08: 00007f79aa127010 R09: 0000000000000000 # [ 35.103039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.117492] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.132002] irq event stamp: 0 # [ 35.141886] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.155421] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 35.171065] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.186<6>[ 37.695565] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 37.705205] lkdtm: attempting ok execution at ffffffffb8f799b0 <6>[ 37.712067] lkdtm: attempting bad execution at ffff98a28331f340 758] softirqs last disabled at (0): [<0000000000000000>] 0x0 # <2>[ 37.718991] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 37.733837] BUG: unable to handle page fault for address: ffff98a28331f340 <1>[ 37.741802] #PF: supervisor instruction fetch in kernel mode <1>[ 37.748410] #PF: error_code(0x0011) - permissions violation <6>[ 37.754913] PGD 62601067 P4D 62601067 PUD 100870063 PMD 105ab5063 PTE 800000010331f063 <4>[ 37.764049] Oops: 0011 [#7] SMP PTI <4>[ 37.768231] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 37.777169] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.784256] RIP: 0010:0xffff98a28331f340 <4>[ 37.788923] Code: ad de 00 b3 47 85 a2 98 ff ff 40 f5 31 83 a2 98 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 4f b8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 37.810190] RSP: 0018:ffffa7f742157e38 EFLAGS: 00010246 <4>[ 37.816312] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.824569] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 37.832827] RBP: ffff98a28331f340 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.841084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 37.849342] R13: ffffa7f742157f10 R14: ffffa7f742157f10 R15: ffff98a282af6000 <4>[ 37.857601] FS: 00007fce3cedf580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 37.866918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.873623] CR2: ffff98a28331f340 CR3: 00000001048f2006 CR4: 00000000003706e0 <4>[ 37.881873] Call Trace: <4>[ 37.884892] ? __die_body.cold+0x1a/0x1f <4>[ 37.889559] ? no_context+0x177/0x380 <4>[ 37.893938] ? exc_page_fault+0xd7/0x170 <4>[ 37.898604] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.903566] ? execute_location+0x45/0x56 <4>[ 37.908332] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 37.913290] ? direct_entry.cold+0x2c/0x38 <4>[ 37.918152] ? full_proxy_write+0x53/0x80 <4>[ 37.922917] ? vfs_write+0xe7/0x3b0 <4>[ 37.927098] ? ksys_write+0x68/0xf0 <4>[ 37.931279] ? do_syscall_64+0x30/0x40 <4>[ 37.935743] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.200242] ---[ end trace 6fca391b55ed3d30 ]--- # [ 35.21<4>[ 37.941870] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 38.000846] CR2: ffff98a28331f340 1933] lkdtm: ok: SMEP did not get cleared # [ 35.223494] lkdt<4>[ 38.004835] ---[ end trace 6fca391b55ed3d33 ]--- <4>[ 38.016491] RIP: 0010:lkdtm_BUG+0x5/0x10 m: trying to clear SMEP with call gadget # [ 35.235973] lkdtm<4>[ 38.021160] 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 <4>[ 38.048639] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 38.054762] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.063021] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 38.071278] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.079536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.087793] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 38.096052] FS: 00007fce3cedf580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 38.105395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.112100] CR2: ffff98a28331f340 CR3: 00000001048f2006 CR4: 00000000003706e0 : ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 35.331419] lkdtm: Performing direct entry DOUBLE_FAULT # [ 35.340745] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 35.426360] lkdtm: Performing direct entry CORRUPT_PAC # [ 35.433073] 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 # [ 35.527668] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 35.539319] 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 # [ 35.749727] lkdtm: Performing direct entry READ_AFTER_FREE # [ 35.758944] lkdtm: Value in memory before free: 12345678 # [ 35.77<6>[ 38.256041] lkdtm: Performing direct entry EXEC_VMALLOC 1392] lkdtm: Attempting bad read from freed memory # [ 35.783<6>[ 38.263338] lkdtm: attempting ok execution at ffffffffb8f799b0 825] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing <6>[ 38.276388] lkdtm: attempting bad execution at ffffa7f740379000 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FR<2>[ 38.289477] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.304319] BUG: unable to handle page fault for address: ffffa7f740379000 <1>[ 38.312286] #PF: supervisor instruction fetch in kernel mode <1>[ 38.318893] #PF: error_code(0x0011) - permissions violation <6>[ 38.325405] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009bb067 PTE 80000001068c6063 <4>[ 38.334730] Oops: 0011 [#8] SMP PTI <4>[ 38.338911] CPU: 0 PID: 1648 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 38.347839] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.354935] RIP: 0010:0xffffa7f740379000 <4>[ 38.359601] Code: Unable to access opcode bytes at RIP 0xffffa7f740378fd6. <4>[ 38.367568] RSP: 0018:ffffa7f74212fe38 EFLAGS: 00010246 <4>[ 38.373691] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.381949] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 <4>[ 38.390206] RBP: ffffa7f740379000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.398465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 38.406723] R13: ffffa7f74212ff10 R14: ffffa7f74212ff10 R15: ffff98a2868c6000 <4>[ 38.414983] FS: 00007fe0c0e3e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 <4>[ 38.424299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.431003] CR2: ffffa7f740378fd6 CR3: 0000000105b3a002 CR4: 00000000003706f0 <4>[ 38.439259] Call Trace: <4>[ 38.442278] ? __die_body.cold+0x1a/0x1f <4>[ 38.446952] ? no_context+0x177/0x380 <4>[ 38.451330] ? exc_page_fault+0xd7/0x170 <4>[ 38.456002] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.460964] ? execute_location+0x45/0x56 <4>[ 38.465733] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 38.470683] ? direct_entry.cold+0x2c/0x38 <4>[ 38.475536] ? full_proxy_write+0x53/0x80 <4>[ 38.480293] ? vfs_write+0xe7/0x3b0 <4>[ 38.484474] ? ksys_write+0x68/0xf0 <4>[ 38.488649] ? do_syscall_64+0x30/0x40 <4>[ 38.493122] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.499247] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 38.551993] CR2: ffffa7f740379000 <4>[ 38.555974] ---[ end trace 6fca391b55ed3d34 ]--- <4>[ 38.561419] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.566085] 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 <4>[ 38.587354] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 38.593477] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.601734] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 38.609993] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.618253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.626511] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 38.634769] FS: 00007fe0c0e3e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 <4>[ 38.644095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.650800] CR2: ffffa7f740378fd6 CR3: 0000000105b3a002 CR4: 00000000003706f0 <3>[ 38.659060] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.669259] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1648, name: cat <4>[ 38.678004] INFO: lockdep is turned off. <4>[ 38.682671] irq event stamp: 0 <4>[ 38.686367] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.693655] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.703078] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.712502] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.719791] CPU: 0 PID: 1648 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 38.728728] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.735821] Call Trace: <4>[ 38.738839] dump_stack+0x77/0x9b <4>[ 38.742833] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.747686] exit_signals+0x1c/0x300 <4>[ 38.751964] do_exit+0xc2/0xab0 <4>[ 38.755749] ? ksys_write+0x68/0xf0 <4>[ 38.759931] make_task_dead+0x2f/0x30 <4>[ 38.764308] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.769848] RIP: 0033:0x7fe0c0d54473 <4>[ 38.774126] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.795396] RSP: 002b:00007ffea10f4b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.804133] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe0c0d54473 <4>[ 38.812392] RDX: 000000000000000d RSI: 00007fe0c0c48000 RDI: 0000000000000001 <4>[ 38.820649] RBP: 00007fe0c0c48000 R08: 00007fe0c0c47010 R09: 0000000000000000 <4>[ 38.828909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.837166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 35.900594] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 35.913781] lkdtm: Value in memory before free: 12345678 # [ 35.926216] lkdtm: Attempting to read from freed memory # [ 35.938554] 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 # [ 36.023213] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 36.031131] 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 # [ 36.136088] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 36.142626] 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 # [ 36.228699] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 36.235924] 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 # <6>[ 38.991290] lkdtm: Performing direct entry EXEC_RODATA <6>[ 39.000637] lkdtm: attempting ok execution at ffffffffb8f799b0 <6>[ 39.007449] lkdtm: attempting bad execution at ffffffffb9f7ed20 <2>[ 39.014356] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.023031] BUG: unable to handle page fault for address: ffffffffb9f7ed20 <1>[ 39.031001] #PF: supervisor instruction fetch in kernel mode <1>[ 39.037611] #PF: error_code(0x0011) - permissions violation <6>[ 39.044123] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000604000e1 selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs th<4>[ 39.051902] Oops: 0011 [#9] SMP PTI <4>[ 39.062295] CPU: 3 PID: 1684 Comm: cat Tainted: G D W 5.10.184-cip35 #1 e system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selfte<4>[ 39.071236] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.084545] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 39.090571] Code: ff ff 43 ec 60 b9 ff ff ff ff 1a 93 3f ba ff ff ff ff 89 d3 60 b9 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 39.111837] RSP: 0018:ffffa7f742287e48 EFLAGS: 00010246 <4>[ 39.117953] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 39.126203] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 39.134460] RBP: ffffffffb9f7ed20 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.142718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 39.150979] R13: ffffa7f742287f10 R14: ffffa7f742287f10 R15: ffff98a2869ac000 <4>[ 39.159236] FS: 00007f3aae25b580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 39.168561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.175265] CR2: ffffffffb9f7ed20 CR3: 0000000106b70002 CR4: 00000000003706e0 <4>[ 39.183524] Call Trace: <4>[ 39.186544] ? __die_body.cold+0x1a/0x1f <4>[ 39.191212] ? no_context+0x177/0x380 <4>[ 39.195590] ? exc_page_fault+0xd7/0x170 <4>[ 39.200257] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.205212] ? execute_location+0x45/0x56 <4>[ 39.209976] ? direct_entry.cold+0x2c/0x38 <4>[ 39.214831] ? full_proxy_write+0x53/0x80 <4>[ 39.219598] ? vfs_write+0xe7/0x3b0 <4>[ 39.223778] ? ksys_write+0x68/0xf0 <4>[ 39.227961] ? do_syscall_64+0x30/0x40 <4>[ 39.232449] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 sts: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the syst<4>[ 39.238577] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.297553] CR2: ffffffffb9f7ed20 <4>[ 39.301541] ---[ end trace 6fca391b55ed3d35 ]--- <4>[ 39.306977] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.311643] 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 <4>[ 39.332910] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 39.339032] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.347290] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 39.355547] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.363805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.372065] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 39.380321] FS: 00007f3aae25b580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 39.389647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.396352] CR2: ffffffffb9f7ed20 CR3: 0000000106b70002 CR4: 00000000003706e0 em 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 # [ 36.426214] lkdtm: Performing direct entry EXEC_DATA # [ 36.434122] lkdtm: attempting ok execution at ffffffffb8f799b0 # [ 36.440960] lkdtm: attempting bad execution at ffffffffbbe0ebe0 # [ 36.447868] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.462723] BUG: unable to handle page fault for address: ffffffffbbe0ebe0 # [ 36.470691] #PF: supervisor instruction fetch in kernel mode # [ 36.477291] #PF: error_code(0x0011) - permissions violation # [ 36.483803] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000624000e3 # [ 36.491578] Oops: 0011 [#5] SMP PTI # [ 36.495760] CPU: 2 PID: 1539 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 36.504689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.511785] RIP: 0010:data_area+0x0/0x40 # [ 36.516453] Code: ff ff 00 71 e7 84 a2 <6>[ 39.509126] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 39.516660] lkdtm: attempting ok execution at ffffffffb8f799b0 <6>[ 39.523508] lkdtm: attempting bad execution at 00007fe96e011000 98 ff ff 00 70 e7 84 a2 98 ff ff 00 00 00 00 00 00 00 00 00 00 0<2>[ 39.530456] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 39.543363] BUG: unable to handle page fault for address: 00007fe96e011000 <1>[ 39.551332] #PF: supervisor instruction fetch in kernel mode <1>[ 39.557942] #PF: error_code(0x0011) - permissions violation <6>[ 39.564455] PGD 8000000105edb067 P4D 8000000105edb067 PUD 105b88067 PMD 105bf4067 PTE 10b19f067 <4>[ 39.574465] Oops: 0011 [#10] SMP PTI <4>[ 39.578744] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 39.587681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.594776] RIP: 0010:0x7fe96e011000 <4>[ 39.599053] Code: Unable to access opcode bytes at RIP 0x7fe96e010fd6. <4>[ 39.606632] RSP: 0018:ffffa7f74234fe50 EFLAGS: 00010246 <4>[ 39.612755] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 39.621013] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 39.629272] RBP: 00007fe96e011000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.637529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 39.645787] R13: ffffa7f74234ff10 R14: ffffa7f74234ff10 R15: ffff98a28477b000 <4>[ 39.654044] FS: 00007fe96dfe2580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 39.663370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.670099] CR2: 00007fe96e011000 CR3: 0000000105de8001 CR4: 00000000003706e0 <4>[ 39.678358] Call Trace: <4>[ 39.681401] ? __die_body.cold+0x1a/0x1f 0 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc <4>[ 39.686073] ? no_context+0x177/0x380 <4>[ 39.696659] ? exc_page_fault+0x53/0x170 <4>[ 39.701325] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.706289] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 39.711926] ? direct_entry.cold+0x2c/0x38 <4>[ 39.716789] ? full_proxy_write+0x53/0x80 <4>[ 39.721553] ? vfs_write+0xe7/0x3b0 <4>[ 39.725726] ? ksys_write+0x68/0xf0 <4>[ 39.729907] ? do_syscall_64+0x30/0x40 <4>[ 39.734396] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 36.537720] R<4>[ 39.740524] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.799497] CR2: 00007fe96e011000 <4>[ 39.803483] ---[ end trace 6fca391b55ed3d36 ]--- <4>[ 39.808927] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.813584] 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 <4>[ 39.834853] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 39.840975] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.849231] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 39.857488] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.865746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.874003] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 39.882261] FS: 00007fe96dfe2580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 39.891588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.898291] CR2: 00007fe96e011000 CR3: 0000000105de8001 CR4: 00000000003706e0 <3>[ 39.906548] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.916747] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 39.925490] INFO: lockdep is turned off. <4>[ 39.930155] irq event stamp: 0 <4>[ 39.933851] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.941130] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.950554] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.959968] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.967256] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 39.976183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.983275] Call Trace: <4>[ 39.986292] dump_stack+0x77/0x9b <4>[ 39.990272] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.995135] exit_signals+0x1c/0x300 <4>[ 39.999413] do_exit+0xc2/0xab0 <4>[ 40.003207] ? ksys_write+0x68/0xf0 <4>[ 40.007398] make_task_dead+0x2f/0x30 <4>[ 40.011774] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.017304] RIP: 0033:0x7fe96def8473 <4>[ 40.021583] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 40.042843] RSP: 002b:00007ffe410a2eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.051579] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fe96def8473 <4>[ 40.059836] RDX: 000000000000000f RSI: 00007fe96ddec000 RDI: 0000000000000001 <4>[ 40.068096] RBP: 00007fe96ddec000 R08: 00007fe96ddeb010 R09: 0000000000000000 <4>[ 40.076354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.084611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SP: 0018:ffffa7f742057e48 EFLAGS: 00010246 # [ 36.543843] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.552101] RDX: 0000000000000000 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 # [ 36.560359] RBP: ffffffffbbe0ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 36.568618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.576876] R13: ffffa7f742057f10 R14: ffffa7f742057f10 R15: ffff98a284054000 # [ 36.585136] FS: 00007f21337f9580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 36.594452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.601158] CR2: ffffffffbbe0ebe0 CR3: 0000000102a3c001 CR4: 00000000003706e0 # [ 36.609416] Call Trace: # [ 36.612449] ? __die_body.cold+0x1a/0x1f # [ 36.617118] ? no_context+0x177/0x380 # [ 36.621497] ? exc_page_fault+0xd7/0x170 # [ 36.626165] ? asm_exc_page_fault+0x1e/0x30 # [ 36.631129] ? execute_location+0x45/0x56 # [ 36.635893] ? direct_entry.cold+0x2c/0x38 # [ 36.640748] ? full_proxy_write+0x53/0x80 # [ 36.645513] ? vfs_write+0xe7/0x3b0 # [ 36.649695] ? ksys_write+0x68/0xf0 # [ 36.653877] ? do_syscall_64+0x30/0x40 # [ 36.658351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.664467] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.723447] CR2: ffffffffbbe0ebe0 # [ 36.727446] ---[ end trace 6fca391b55ed3d31 ]--- # [ 36.732889] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.737555] 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 # [ 36.758838] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 36.76<6>[ 40.308092] lkdtm: Performing direct entry EXEC_NULL 4964] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 000000000<6>[ 40.316288] lkdtm: attempting ok execution at ffffffffb8f799b0 0000000 # [ 36.773212] RDX: 0000000000000000 RSI: ffff98a2fac<6>[ 40.329329] lkdtm: attempting bad execution at 0000000000000000 1bf70 RDI: ffffffffb9f7e890 # [ 36.781469] RBP: ffffffffba45d<1>[ 40.342439] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 40.356719] #PF: supervisor instruction fetch in kernel mode <1>[ 40.363327] #PF: error_code(0x0010) - not-present page <6>[ 40.369352] PGD 0 P4D 0 <4>[ 40.372466] Oops: 0010 [#11] SMP PTI <4>[ 40.376745] CPU: 1 PID: 1756 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 40.385683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.392777] RIP: 0010:0x0 <4>[ 40.395987] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 40.403956] RSP: 0018:ffffa7f7423c7e48 EFLAGS: 00010246 <4>[ 40.410078] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 40.418336] RDX: 0000000000000000 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 <4>[ 40.426596] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.434855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 40.443114] R13: ffffa7f7423c7f10 R14: ffffa7f7423c7f10 R15: ffff98a28693e000 <4>[ 40.451395] FS: 00007f23f5c86580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 40.460724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.467434] CR2: ffffffffffffffd6 CR3: 00000001069f8005 CR4: 00000000003706e0 600 R08: 0000000000000001 R09: 0000000000000001 # [ 36.789727<4>[ 40.475701] Call Trace: <4>[ 40.484934] ? __die_body.cold+0x1a/0x1f ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 40.489604] ? no_context+0x177/0x380 <4>[ 40.500193] ? exc_page_fault+0x53/0x170 004 # [ 36.797985] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f1<4>[ 40.504862] ? asm_exc_page_fault+0x1e/0x30 0 R15: ffff98a283323000 # [ 36.806243] FS: 00007f21337f9580(<4>[ 40.516036] execute_location+0x45/0x56 <4>[ 40.526821] direct_entry.cold+0x2c/0x38 <4>[ 40.531489] full_proxy_write+0x53/0x80 0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 36<4>[ 40.536062] vfs_write+0xe7/0x3b0 <4>[ 40.546259] ksys_write+0x68/0xf0 <4>[ 40.550248] do_syscall_64+0x30/0x40 <4>[ 40.554530] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 40.560458] RIP: 0033:0x7f23f5b9c473 <4>[ 40.564737] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 40.586005] RSP: 002b:00007fff7e67b538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.594748] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f23f5b9c473 <4>[ 40.603007] RDX: 000000000000000a RSI: 00007f23f5a90000 RDI: 0000000000000001 <4>[ 40.611267] RBP: 00007f23f5a90000 R08: 00007f23f5a8f010 R09: 0000000000000000 <4>[ 40.619525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.627784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .815568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 40.636046] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.694986] CR2: 0000000000000000 <4>[ 40.698974] ---[ end trace 6fca391b55ed3d37 ]--- <4>[ 40.704420] RIP: 0010:lkdtm_BUG+0x5/0x10 36.822273] CR2: ffffffffbbe0ebe0 CR3: 0000000102a3c001 CR4: 00<4>[ 40.709108] 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 <4>[ 40.736588] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 40.742711] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.750968] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 40.759224] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.767482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.775739] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 40.783996] FS: 00007f23f5c86580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 40.793322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.800026] CR2: ffffffffffffffd6 CR3: 00000001069f8005 CR4: 00000000003706e0 000000003706e0 # [ 36.830531] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.840731] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat # [ 36.849475] INFO: lockdep is turned off. # [ 36.854141] irq event stamp: 0 # [ 36.857838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.865126] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 36.874541] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 36.883963] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.891251] CPU: 2 PID: 1539 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 36.900188] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.907283] Call Trace: # [ 36.910300] dump_stack+0x77/0x9b # [ 36.914288] ___might_sleep.cold+0xa6/0xb6 # [ 36.919149] exit_signals+0x1c/0x300 # [ 36.923429] do_exit+0xc2/0xab0 # [ 36.927214] ? ksys_write+0x68/0xf0 # [ 36.931399] make_task_dead+0x2f/0x30 # [ 36.935776] rewind_stack_and_make_dead+0x17/0x20 # [ 36.941316] RIP: 0033:0x7f213370f473 # [ 36.945593] Code: 8b 15 21 2a <6>[ 40.921838] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 40.932917] lkdtm: attempting bad read at 00007f1922faf000 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0<1>[ 40.939350] BUG: unable to handle page fault for address: 00007f1922faf000 <1>[ 40.953518] #PF: supervisor read access in kernel mode <1>[ 40.959556] #PF: error_code(0x0001) - permissions violation <6>[ 40.966070] PGD 8000000105a6b067 P4D 8000000105a6b067 PUD 106b10067 PMD 103f74067 PTE 108a56067 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 <4>[ 40.976084] Oops: 0001 [#12] SMP PTI <4>[ 40.986574] CPU: 3 PID: 1791 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 40.995513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.002609] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 41.009119] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 a0 3f ba e8 9c d7 fb ff 48 c7 c7 60 a0 3f ba 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 3f <4>[ 41.030399] RSP: 0018:ffffa7f742457e48 EFLAGS: 00010246 <4>[ 41.036523] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 41.044773] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3fa060 <4>[ 41.053030] RBP: 00007f1922faf000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.061288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 41.069546] R13: ffffa7f742457f10 R14: ffffa7f742457f10 R15: ffff98a285d1b000 <4>[ 41.077805] FS: 00007f1922f80580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 41.087121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.093827] CR2: 00007f1922faf000 CR3: 0000000104a0e006 CR4: 00000000003706e0 <4>[ 41.102084] Call Trace: <4>[ 41.105104] ? __die_body.cold+0x1a/0x1f <4>[ 41.109774] ? no_context+0x177/0x380 <4>[ 41.114152] ? exc_page_fault+0x53/0x170 <4>[ 41.118818] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.123781] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 41.129613] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 41.135456] direct_entry.cold+0x2c/0x38 <4>[ 41.140125] full_proxy_write+0x53/0x80 <4>[ 41.144695] vfs_write+0xe7/0x3b0 <4>[ 41.148672] ksys_write+0x68/0xf0 <4>[ 41.152661] do_syscall_64+0x30/0x40 <4>[ 41.156940] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.162870] RIP: 0033:0x7f1922e96473 <4>[ 41.167139] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.188407] RSP: 002b:00007ffe7aeaa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.197151] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1922e96473 <4>[ 41.205410] RDX: 0000000000000011 RSI: 00007f1922d8a000 RDI: 0000000000000001 <4>[ 41.213669] RBP: 00007f1922d8a000 R08: 00007f1922d89010 R09: 0000000000000000 <4>[ 41.221926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.230185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.<4>[ 41.238457] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.297444] CR2: 00007f1922faf000 <4>[ 41.301445] ---[ end trace 6fca391b55ed3d38 ]--- <4>[ 41.306892] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.311557] 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 <4>[ 41.332825] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 41.338938] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.347196] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 41.355454] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.363711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.371968] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 41.380226] FS: 00007f1922f80580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 41.389550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.396255] CR2: 00007f1922faf000 CR3: 0000000104a0e006 CR4: 00000000003706e0 <3>[ 41.404514] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.414713] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1791, name: cat <4>[ 41.423457] INFO: lockdep is turned off. <4>[ 41.428122] irq event stamp: 0 <4>[ 41.431817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.439106] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 41.448531] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 41.457945] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.465233] CPU: 3 PID: 1791 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 41.474168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.481262] Call Trace: <4>[ 41.484279] dump_stack+0x77/0x9b <4>[ 41.488267] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.493129] exit_signals+0x1c/0x300 <4>[ 41.497400] do_exit+0xc2/0xab0 <4>[ 41.501194] ? ksys_write+0x68/0xf0 <4>[ 41.505367] make_task_dead+0x2f/0x30 <4>[ 41.509742] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.515273] RIP: 0033:0x7f1922e96473 <4>[ 41.519552] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.540810] RSP: 002b:00007ffe7aeaa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.549555] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1922e96473 <4>[ 41.557806] RDX: 0000000000000011 RSI: 00007f1922d8a000 RDI: 0000000000000001 <4>[ 41.566064] RBP: 00007f1922d8a000 R08: 00007f1922d89010 R09: 0000000000000000 <4>[ 41.574322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.582580] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 966860] RSP: 002b:00007ffcb9f8bf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.975603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f213370f473 # [ 36.983861] RDX: 000000000000000a RSI: 00007f2133603000 RDI: 0000000000000001 # [ 36.992120] RBP: 00007f2133603000 R08: 00007f2133602010 R09: 0000000000000000 # [ 37.000398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.008656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 37.119948] lkdtm: Performing direct entry EXEC_STACK # [ 37.128560] lkdtm: attempting ok execution at ffffffffb8f799b0 # [ 37.141586] lkdtm: attempting bad execution at ffffa7f741fefe18 # [ 37.154695] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.169566] BUG: unable to handle page fault for address: ffffa7f741fefe18 # [ 37.177540] #PF: supervisor instruction fetch in kernel mode # [ 37.190363] #PF: error_code(0x0011) - permissions violation # [ 37.196875] PGD 100000067 P<6>[ 41.702625] lkdtm: Performing direct entry ACCESS_NULL <6>[ 41.708783] lkdtm: attempting bad read at 0000000000000000 <1>[ 41.715204] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 41.723300] #PF: supervisor read access in kernel mode <1>[ 41.729329] #PF: error_code(0x0000) - not-present page <6>[ 41.735346] PGD 0 P4D 0 <4>[ 41.738464] Oops: 0000 [#13] SMP PTI <4>[ 41.742744] CPU: 3 PID: 1826 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 41.751684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.758783] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 4D 100000067 PUD 100231067 PMD 105bd4067 PTE 8000000106b1f063 #<4>[ 41.764327] 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 3f ba e8 1a d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 a0 3f ba 48 01 <4>[ 41.791807] RSP: 0018:ffffa7f7424e7e58 EFLAGS: 00010246 <4>[ 41.797930] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 41.806189] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 41.814448] RBP: ffffffffba3f9129 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.822706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.830965] R13: ffffa7f7424e7f10 R14: ffffa7f7424e7f10 R15: ffff98a283d0e000 <4>[ 41.839223] FS: 00007fd21389a580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 41.848551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.855249] CR2: 0000000000000000 CR3: 0000000106818004 CR4: 00000000003706e0 <4>[ 41.863507] Call Trace: <4>[ 41.866528] ? __die_body.cold+0x1a/0x1f <4>[ 41.871197] ? no_context+0x177/0x380 <4>[ 41.875576] ? exc_page_fault+0x53/0x170 <4>[ 41.880244] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.885195] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.890057] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 41.894918] direct_entry.cold+0x2c/0x38 <4>[ 41.899577] full_proxy_write+0x53/0x80 <4>[ 41.904150] vfs_write+0xe7/0x3b0 <4>[ 41.908137] ksys_write+0x68/0xf0 <4>[ 41.912127] do_syscall_64+0x30/0x40 <4>[ 41.916405] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.922326] RIP: 0033:0x7fd2137b0473 <4>[ 41.926595] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.947862] RSP: 002b:00007ffd72dcada8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.956606] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd2137b0473 <4>[ 41.964864] RDX: 000000000000000c RSI: 00007fd2136a4000 RDI: 0000000000000001 <4>[ 41.973121] RBP: 00007fd2136a4000 R08: 00007fd2136a3010 R09: 0000000000000000 <4>[ 41.981398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.989656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.212413] Oops: 0011 [#6] SMP PTI # [ 37.216597] CPU: 1<4>[ 41.997919] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.056894] CR2: 0000000000000000 <4>[ 42.060872] ---[ end trace 6fca391b55ed3d39 ]--- <4>[ 42.066317] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.070982] 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 <4>[ 42.092250] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 42.098395] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.106654] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 42.114911] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.123169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.131440] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 42.139725] FS: 00007fd21389a580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 42.149050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.155753] CR2: 0000000000000000 CR3: 0000000106818004 CR4: 00000000003706e0 PID: 1576 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 37.225536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.232622] RIP: 0010:0xffffa7f741fefe18 # [ 37.237288] Code: 00 00 18 fe fe 41 f7 a7 ff ff a4 d6 60 b9 ff ff ff ff 20 00 00 00 00 00 00 00 ce 90 3f ba ff ff ff ff d3 d7 60 b9 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 # [ 37.258556] RSP: 0018:ffffa7f741fefdf8 EFLAGS: 00010246 # [ 37.264679] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.272937] RDX: 0000000000000000 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 37.281196] RBP: ffffa7f741fefe18 R08: 0000000000000000 R09: 0000000000000000 # [ 37.289455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.297714] R13: ffffa7f741feff10 R14: ffffa7f741feff10 R15: ffff98a283f42000 # [ 37.305972] FS: 00007f7155050580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 37.315299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.321996] CR2: ffffa7f741fefe18 CR3: 00000001069e6001 CR4: 00000000003706e0 # [ 37.330253] C<6>[ 42.275351] lkdtm: Performing direct entry WRITE_RO all Trace: # [ 37.333274] ? __die_body.cold+0x1a/0x1f # [ <6>[ 42.281701] lkdtm: attempting bad rodata write at ffffffffb9f7ed10 37.337943] ? no_context+0x177/0x380 # [ 37.348530] ? exc_p<1>[ 42.295109] BUG: unable to handle page fault for address: ffffffffb9f7ed10 <1>[ 42.309279] #PF: supervisor write access in kernel mode <1>[ 42.315421] #PF: error_code(0x0003) - permissions violation ag[ 42.321945] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000604000e1 <4>[ 42.335929] Oops: 0003 [#14] SMP PTI <4>[ 42.340209] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 42.349147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.356242] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a e/0x30 # [ 37.364390] ? execute_location+0x45/0x56 # [ 37<4>[ 42.361494] Code: 00 48 c7 c7 18 9f 3f ba 48 c7 c6 10 ed f7 b9 e8 c4 d9 fb ff 48 8b 05 3c 16 97 00 ba 34 12 cd ab 48 c7 c7 48 9f 3f ba 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 <4>[ 42.388974] RSP: 0018:ffffa7f7424a7e60 EFLAGS: 00010202 <4>[ 42.395087] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 42.403345] RDX: 00000000abcd1234 RSI: ffff98a2fac9bf70 RDI: ffffffffba3f9f48 <4>[ 42.411604] RBP: ffffffffba3f9135 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.419862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 42.428121] R13: ffffa7f7424a7f10 R14: ffffa7f7424a7f10 R15: ffff98a285da2000 <4>[ 42.436396] FS: 00007f5165a2a580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 42.445724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.452419] CR2: ffffffffb9f7ed10 CR3: 0000000103e1e002 CR4: 00000000003706e0 <4>[ 42.460678] Call Trace: <4>[ 42.463691] ? __die_body.cold+0x1a/0x1f .369159] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 37.380136] ? dire<4>[ 42.468360] ? no_context+0x177/0x380 <4>[ 42.478948] ? exc_page_fault+0xd7/0x170 ct_entry.cold+0x2c/0x38 # [ 37.385000] ? full_proxy_write+0x<4>[ 42.483616] ? asm_exc_page_fault+0x1e/0x30 53/0x80 # [ 37.389767] ? vfs_write+0xe7/0x3b0 # [ 37.4001<4>[ 42.494789] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 42.505574] direct_entry.cold+0x2c/0x38 <4>[ 42.510242] full_proxy_write+0x53/0x80 59] ? ksys_write+0x68/0xf0 # [ 37.404341] ? do_syscall_64+0<4>[ 42.514815] vfs_write+0xe7/0x3b0 <4>[ 42.525012] ksys_write+0x68/0xf0 <4>[ 42.529000] do_syscall_64+0x30/0x40 x30/0x40 # [ 37.408815] ? entry_SYSCALL_64_after_hwframe+0x6<4>[ 42.533279] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.545417] RIP: 0033:0x7f5165940473 <4>[ 42.549695] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 42.570963] RSP: 002b:00007fff9f3866e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.579709] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5165940473 <4>[ 42.587967] RDX: 0000000000000009 RSI: 00007f5165834000 RDI: 0000000000000001 <4>[ 42.596225] RBP: 00007f5165834000 R08: 00007f5165833010 R09: 0000000000000000 <4>[ 42.604484] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.612743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1/0xc6 # [ 37.414941] Modules linked in: fuse ip_tables cros_<4>[ 42.620996] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.679934] CR2: ffffffffb9f7ed10 <4>[ 42.683921] ---[ end trace 6fca391b55ed3d3a ]--- <4>[ 42.689367] RIP: 0010:lkdtm_BUG+0x5/0x10 ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_t<4>[ 42.694059] 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 <4>[ 42.721538] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 42.727653] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.735902] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 42.744159] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.752417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.760675] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 42.768933] FS: 00007f5165a2a580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 42.778258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.784963] CR2: ffffffffb9f7ed10 CR3: 0000000103e1e002 CR4: 00000000003706e0 riggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.473881] CR2: ffffa7f741fefe18 # [ 37.477868] ---[ end trace 6fca391b55ed3d32 ]--- # [ 37.483314] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.487982] 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 # [ 37.509249] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 37.515389] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.523657] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 37.538128] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 37.546396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.554654] R13: ffffa7f7412b7f<6>[ 42.905124] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 42.918147] lkdtm: attempting bad ro_after_init write at ffffffffba47e330 <1>[ 42.926055] BUG: unable to handle page fault for address: ffffffffba47e330 <1>[ 42.934036] #PF: supervisor write access in kernel mode 10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 37.562913]<1>[ 42.940162] #PF: error_code(0x0003) - permissions violation F[ 42.952888] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 105486063 PTE 8000000060a7e061 <4>[ 42.968144] Oops: 0003 [#15] SMP PTI <4>[ 42.972438] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 42.981408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.988503] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 42.994820] Code: 9f 3f ba e9 76 d9 fb ff 48 c7 c7 a0 9f 3f ba e8 6a d9 fb ff 48 8b 05 02 0c e7 00 ba 34 12 cd ab 48 c7 c7 48 9f 3f ba 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 <4>[ 43.016088] RSP: 0018:ffffa7f74251fe60 EFLAGS: 00010202 <4>[ 43.022202] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 43.030462] RDX: 00000000abcd1234 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f9f48 <4>[ 43.038720] RBP: ffffffffba3f913e R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.046978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 43.055234] R13: ffffa7f74251ff10 R14: ffffa7f74251ff10 R15: ffff98a286bf4000 <4>[ 43.063492] FS: 00007ff4d61a8580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 43.072817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.079523] CR2: ffffffffba47e330 CR3: 0000000105bf8003 CR4: 00000000003706e0 <4>[ 43.087780] Call Trace: <4>[ 43.090798] ? __die_body.cold+0x1a/0x1f <4>[ 43.095466] ? no_context+0x177/0x380 <4>[ 43.099844] ? exc_page_fault+0xd7/0x170 <4>[ 43.104511] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.109471] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 43.115109] direct_entry.cold+0x2c/0x38 <4>[ 43.119769] full_proxy_write+0x53/0x80 <4>[ 43.124339] vfs_write+0xe7/0x3b0 <4>[ 43.128328] ksys_write+0x68/0xf0 <4>[ 43.132316] do_syscall_64+0x30/0x40 <4>[ 43.136595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.142524] RIP: 0033:0x7ff4d60be473 <4>[ 43.146803] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.168070] RSP: 002b:00007ffc3ece3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.176816] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff4d60be473 <4>[ 43.185066] RDX: 0000000000000014 RSI: 00007ff4d5fb2000 RDI: 0000000000000001 <4>[ 43.193323] RBP: 00007ff4d5fb2000 R08: 00007ff4d5fb1010 R09: 0000000000000000 <4>[ 43.201583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.209841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000 # [ 37.572231] CS: 0010 DS: 0000 ES: 0000 CR0:<4>[ 43.218102] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.277076] CR2: ffffffffba47e330 <4>[ 43.281065] ---[ end trace 6fca391b55ed3d3b ]--- <4>[ 43.286509] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.291175] 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 <4>[ 43.312446] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 43.318569] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.326827] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 43.335084] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.343342] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.351600] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 43.359858] FS: 00007ff4d61a8580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 43.369182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.375887] CR2: ffffffffba47e330 CR3: 0000000105bf8003 CR4: 00000000003706e0 <3>[ 43.384147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.394348] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat <4>[ 43.403091] INFO: lockdep is turned off. <4>[ 43.407757] irq event stamp: 0 <4>[ 43.411472] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.418762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.428186] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.437611] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.444893] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 43.453831] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.460925] Call Trace: <4>[ 43.463941] dump_stack+0x77/0x9b <4>[ 43.467921] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.472784] exit_signals+0x1c/0x300 <4>[ 43.477062] do_exit+0xc2/0xab0 <4>[ 43.480857] ? ksys_write+0x68/0xf0 <4>[ 43.485038] make_task_dead+0x2f/0x30 <4>[ 43.489413] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.494952] RIP: 0033:0x7ff4d60be473 <4>[ 43.499230] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.520498] RSP: 002b:00007ffc3ece3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.529241] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff4d60be473 <4>[ 43.537500] RDX: 0000000000000014 RSI: 00007ff4d5fb2000 RDI: 0000000000000001 <4>[ 43.545759] RBP: 00007ff4d5fb2000 R08: 00007ff4d5fb1010 R09: 0000000000000000 <4>[ 43.554016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.562274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000080050033 # [ 37.578936] CR2: ffffa7f741fefe18 CR3: 00000001069e6001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 37.695565] lkdtm: Performing direct entry EXEC_KMALLOC # [ 37.705205] lkdtm: attempting ok execution at ffffffffb8f799b0 # [ 37.712067] lkdtm: attempting bad execution at ffff98a28331f340 # [ 37.718991] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.733837] BUG: unable to handle page fault for address: ffff98a28331f340 # [ 37.741802] #PF: supervisor instruction fetch in kernel mode # [ 37.748410] #PF: error_code(0x0011) - permissions violation # [ 37.754913] PGD 62601067 P4D 62601067 PUD 100870063 PMD 105ab5063 PTE 800000010331f063 # [ 37.764049] Oops: 0011 [#7] SMP PTI # [ 37.768231] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 37.777169] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.784256] RIP: 0010:0xffff98a28331f340 # [ 37.788923] Code: ad de 00 b3 47 85 a2 98 ff ff 40 f5 31 83 a2 98 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 4f b8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 4<6>[ 43.688884] lkdtm: Performing direct entry WRITE_KERN <6>[ 43.700835] lkdtm: attempting bad 6896798 byte write at ffffffffb960d64e <1>[ 43.708674] BUG: unable to handle page fault for address: ffffffffb960d64e 4 00 00 55 # [ 37.810190] RSP: 0018:ffffa7f742157e38 EFLAGS: <1>[ 43.716656] #PF: supervisor write access in kernel mode <1>[ 43.728995] #PF: error_code(0x0003) - permissions violation <6>[ 43.735508] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 5fc000e1 00010246 # [ 37.816312] RAX: 0000000000000033 RBX: 0000000000<4>[ 43.742510] Oops: 0003 [#16] SMP PTI <4>[ 43.753001] CPU: 3 PID: 1931 Comm: cat Tainted: G D W 5.10.184-cip35 #1 000001 RCX: 0000000000000000 # [ 37.824569] RDX: 000000000000<4>[ 43.761945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00<00 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 37.832824>[ 43.775256] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 43.786916] Code: 53 48 c7 c3 4e d6 60 b9 49 89 dc 48 89 da 49 81 ec b0 99 f7 b8 4c 89 e6 e8 1d d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 b0 99 f7 b8 a4 48 c7 c7 48 9f 3f ba e8 02 d9 fb ff 5b 41 5c e9 b7 fe ff ff 7] RBP: ffff98a28331f340 R08: 0000000000000000 R09: 000000000000<4>[ 43.808189] RSP: 0018:ffffa7f74267fe50 EFLAGS: 00010246 <4>[ 43.820523] RAX: 000000000000003c RBX: ffffffffb960d64e RCX: 0000000000693c9e <4>[ 43.828782] RDX: 0000000000000000 RSI: ffffffffb8f799b0 RDI: ffffffffb960d64e <4>[ 43.837039] RBP: ffffffffba3f9152 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.845297] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693c9e <4>[ 43.853555] R13: ffffa7f74267ff10 R14: ffffa7f74267ff10 R15: ffff98a283273000 <4>[ 43.861812] FS: 00007f0fa8647580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 43.871138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.877842] CR2: ffffffffb960d64e CR3: 0000000102874006 CR4: 00000000003706e0 <4>[ 43.886101] Call Trace: <4>[ 43.889120] ? __die_body.cold+0x1a/0x1f <4>[ 43.893789] ? no_context+0x177/0x380 <4>[ 43.898167] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.903904] ? exc_page_fault+0xd7/0x170 <4>[ 43.908572] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.913531] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.919266] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 43.924418] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 43.930154] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 43.934920] direct_entry.cold+0x2c/0x38 <4>[ 43.939588] full_proxy_write+0x53/0x80 <4>[ 43.944161] vfs_write+0xe7/0x3b0 <4>[ 43.948149] ksys_write+0x68/0xf0 <4>[ 43.952138] do_syscall_64+0x30/0x40 <4>[ 43.956416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.962346] RIP: 0033:0x7f0fa855d473 <4>[ 43.966624] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.987892] RSP: 002b:00007fff324c0588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.996636] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0fa855d473 <4>[ 44.004896] RDX: 000000000000000b RSI: 00007f0fa8451000 RDI: 0000000000000001 <4>[ 44.013154] RBP: 00007f0fa8451000 R08: 00007f0fa8450010 R09: 0000000000000000 <4>[ 44.021412] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.029669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 # [ 37.841084] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 44.037930] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.096905] CR2: ffffffffb960d64e <4>[ 44.100885] ---[ end trace 6fca391b55ed3d3c ]--- <4>[ 44.106329] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.110986] 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 <4>[ 44.132253] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 <4>[ 44.138368] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.146650] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 <4>[ 44.154907] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.163166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.171445] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 44.179702] FS: 00007f0fa8647580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 44.189029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.195733] CR2: ffffffffb960d64e CR3: 0000000102874006 CR4: 00000000003706e0 ff R12: 000000000000000d # [ 37.849342] R13: ffffa7f742157f10 R14: ffffa7f742157f10 R15: ffff98a282af6000 # [ 37.857601] FS: 00007fce3cedf580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 37.866918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.873623] CR2: ffff98a28331f340 CR3: 00000001048f2006 CR4: 00000000003706e0 # [ 37.881873] Call Trace: # [ 37.884892] ? __die_body.cold+0x1a/0x1f # [ 37.889559] ? no_context+0x177/0x380 # [ 37.893938] ? exc_page_fault+0xd7/0x170 # [ 37.898604] ? asm_exc_page_fault+0x1e/0x30 # [ 37.903566] ? execute_location+0x45/0x56 # [ 37.908332] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 37.913290] ? direct_entry.cold+0x2c/0x38 # [ 37.918152] ? full_proxy_write+0x53/0x80 # [ 37.922917] ? vfs_write+0xe7/0x3b0 # [ 37.927098] ? ksys_write+0x68/0xf0 # [ 37.931279] ? do_syscall_64+0x30/0x40 # [ 37.935743] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.941870] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggere<6>[ 44.309007] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 44.316710] lkdtm: attempting good refcount_inc() without overflow <6>[ 44.323926] lkdtm: attempting bad refcount_inc() overflow <4>[ 44.330260] ------------[ cut here ]------------ <4>[ 44.335714] refcount_t: saturated; leaking memory. <4>[ 44.341389] WARNING: CPU: 3 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 d_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev c<4>[ 44.351115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.410052] CPU: 3 PID: 1966 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 44.419018] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.426114] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 44.432239] 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 35 ba 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 35 <4>[ 44.453511] RSP: 0018:ffffa7f742727e48 EFLAGS: 00010286 <4>[ 44.459637] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 ros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_ligh<4>[ 44.467899] RDX: ffff98a2fadac660 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 tbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub c<4>[ 44.482377] RBP: ffffffffba3f915d R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.496851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x<4>[ 44.505114] R13: ffffa7f742727f10 R14: ffffa7f742727f10 R15: ffff98a285984000 <4>[ 44.519587] FS: 00007f4c926ca580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 44.528947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.535657] CR2: 00007f4c924d4000 CR3: 0000000103f42001 CR4: 00000000003706e0 <4>[ 44.543917] Call Trace: <4>[ 44.546960] ? __warn+0x80/0x110 86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_comm<4>[ 44.550866] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.562532] ? report_bug+0x9e/0xc0 on regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight c<4>[ 44.566720] ? handle_bug+0x41/0x90 <4>[ 44.577112] ? exc_invalid_op+0x14/0x70 <4>[ 44.581719] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.586686] ? refcount_warn_saturate+0x51/0x110 hromeos_pstore coreboot_table # [ 38.000846] CR2: ffff98a2833<4>[ 44.592162] ? refcount_warn_saturate+0x51/0x110 <4>[ 44.603817] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 44.609491] direct_entry.cold+0x2c/0x38 <4>[ 44.614167] full_proxy_write+0x53/0x80 <4>[ 44.618773] vfs_write+0xe7/0x3b0 <4>[ 44.622798] ksys_write+0x68/0xf0 <4>[ 44.626821] do_syscall_64+0x30/0x40 <4>[ 44.631136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.637100] RIP: 0033:0x7f4c925e0473 <4>[ 44.641402] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1f340 # [ 38.004835] ---[ end trace 6fca391b55ed3d33 ]--- # <4>[ 44.662684] RSP: 002b:00007fff81bf6228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.677639] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4c925e0473 <4>[ 44.685901] RDX: 0000000000000016 RSI: 00007f4c924d4000 RDI: 0000000000000001 <4>[ 44.694165] RBP: 00007f4c924d4000 R08: 00007f4c924d3010 R09: 0000000000000000 <4>[ 44.702441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.710737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.719004] irq event stamp: 0 [ 38.016491] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.021160] Co<4>[ 44.722730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 de: 89 ff e8 ce e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea <4>[ 44.736231] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0<4>[ 44.751877] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 55 <4>[ 44.767520] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.781029] ---[ end trace 6fca391b55ed3d3d ]--- <6>[ 44.786476] lkdtm: Overflow detected: saturated e9 02 # [ 38.048639] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 38.054762] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.063021] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 38.071278] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 38.079536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.087793] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 38.096052] FS: 00007fce3cedf580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 38.105395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.112100] CR2: ffff98a28331f340 CR3: 00000001048f2006 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 38.256041] lkdtm: Performing direct entry EXEC_VMALLOC # [ 38.263338] lkdtm: attempting ok execution at ffffffffb8f799b0 # [ 38.276388] lkdtm: attempting bad execution at ffffa7f740379000 # [ 38.289477] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.304319] BUG: unable to handle page fault for address: ffffa7f740379000 # [ 38.312286] #PF: supervisor instruction fe<6>[ 44.914061] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW tch in kernel mode # [ 38.318893] #PF: error_code(0x0011) - p<6>[ 44.923227] lkdtm: attempting good refcount_add() without overflow ermissions violation # [ 38.325405] PGD 100000067 P4D 1000000<6>[ 44.936646] lkdtm: attempting bad refcount_add() overflow 67 PUD 100231067 PMD 1009bb067 PTE 80000001068c6063 # [ 38.33<4>[ 44.949175] ------------[ cut here ]------------ 4730] Oops: 0011 [#8] SMP PTI # [ 38.338911] CPU: 0 PID: 1648<4>[ 44.960850] refcount_t: saturated; leaking memory. Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ <4>[ 44.972726] WARNING: CPU: 0 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 38.347839] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020<4>[ 44.988640] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 38.354935] RIP: 0010:0xffffa7f740379000 # [ 38.359601<4>[ 45.047599] CPU: 0 PID: 1998 Comm: cat Tainted: G D W 5.10.184-cip35 #1 ] Code: Unable to access opcode bytes at RIP 0xffffa7f740378fd6.<4>[ 45.062744] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.367568] RSP: 0018:ffffa7f74212fe38 EFLAGS: 00010246 <4>[ 45.076089] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 38.373691] RAX: 0000000000000033 RBX: 0000000000000001 RCX<4>[ 45.088468] 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 35 ba 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 35 : 0000000000000000 # [ 38.381949] RDX: 0000000000000000 RSI: <4>[ 45.115930] RSP: 0018:ffffa7f74278fe48 EFLAGS: 00010286 ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 38.390206] RBP: ff<4>[ 45.128304] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ffa7f740379000 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 45.142776] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 38.398465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 45.157242] RBP: ffffffffba3f9173 R08: 0000000000000000 R09: 0000000000000000 0000000000000d # [ 38.406723] R13: ffffa7f74212ff10 R14: ffff<4>[ 45.171712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 a7f74212ff10 R15: ffff98a2868c6000 # [ 38.414983] FS: 00007f<4>[ 45.186167] R13: ffffa7f74278ff10 R14: ffffa7f74278ff10 R15: ffff98a28686b000 e0c0e3e580(0000) GS:ffff98a2fac00000(0000) knlGS:000000000000000<4>[ 45.200687] FS: 00007f5ac3d14580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 0 # [ 38.424299] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800<4>[ 45.216193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 50033 # [ 38.431003] CR2: ffffa7f740378fd6 CR3: 0000000105b3a<4>[ 45.229133] CR2: 00007f5ac3b1e000 CR3: 0000000103d0e002 CR4: 00000000003706f0 002 CR4: 00000000003706f0 # [ 38.439259] Call Trace: # [ 3<4>[ 45.243596] Call Trace: 8.442278] ? __die_body.cold+0x1a/0x1f # [ 38.446952] ? no_c<4>[ 45.252863] ? __warn+0x80/0x110 ontext+0x177/0x380 # [ 38.451330] ? exc_page_fault+0xd7/0x17<4>[ 45.262949] ? refcount_warn_saturate+0x51/0x110 0 # [ 38.456002] ? asm_exc_page_fault+0x1e/0x30 # [ 38.46<4>[ 45.274625] ? report_bug+0x9e/0xc0 0964] ? execute_location+0x45/0x56 # [ 38.465733] ? lkdtm_E<4>[ 45.285007] ? handle_bug+0x41/0x90 XEC_VMALLOC+0x20/0x30 # [ 38.470683] ? direct_entry.cold+0x2<4>[ 45.295460] ? exc_invalid_op+0x14/0x70 c/0x38 # [ 38.475536] ? full_proxy_write+0x53/0x80 # [ 38<4>[ 45.306210] ? asm_exc_invalid_op+0x12/0x20 .480293] ? vfs_write+0xe7/0x3b0 # [ 38.484474] ? ksys_write<4>[ 45.317454] ? refcount_warn_saturate+0x51/0x110 +0x68/0xf0 # [ 38.488649] ? do_syscall_64+0x30/0x40 # [ 3<4>[ 45.329078] ? refcount_warn_saturate+0x51/0x110 8.493122] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.<4>[ 45.340740] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 499247] Modules linked in: fuse ip_tables cros_ec_lid_angle cros<4>[ 45.352607] direct_entry.cold+0x2c/0x38 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k<4>[ 45.363508] full_proxy_write+0x53/0x80 fifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_deb<4>[ 45.374297] vfs_write+0xe7/0x3b0 ugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvi<4>[ 45.384508] ksys_write+0x68/0xf0 deo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sys<4>[ 45.394735] do_syscall_64+0x30/0x40 fs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_tem<4>[ 45.405231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 p_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_<4>[ 45.417392] RIP: 0033:0x7f5ac3c2a473 i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_ps<4>[ 45.427881] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 tore coreboot_table # [ 38.551993] CR2: ffffa7f740379000 # [<4>[ 45.455382] RSP: 002b:00007ffeeda23598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 38.555974] ---[ end trace 6fca391b55ed3d34 ]--- # [ 38.561<4>[ 45.470329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5ac3c2a473 419] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.566085] Code: 89 ff <4>[ 45.484822] RDX: 0000000000000016 RSI: 00007f5ac3b1e000 RDI: 0000000000000001 e8 ce e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c<4>[ 45.499287] RBP: 00007f5ac3b1e000 R08: 00007f5ac3b1d010 R09: 0000000000000000 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b <4>[ 45.513807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 # [<4>[ 45.528244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38.587354] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ <4>[ 45.542771] irq event stamp: 0 38.593477] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 000<4>[ 45.552665] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000 # [ 38.601734] RDX: 0000000000000000 RSI: ffff9<4>[ 45.566174] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 8a2fac1bf70 RDI: ffffffffb9f7e890 # [ 38.609993] RBP: fffffff<4>[ 45.581886] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 fba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 38.<4>[ 45.597491] softirqs last disabled at (0): [<0000000000000000>] 0x0 618253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 45.611039] ---[ end trace 6fca391b55ed3d3e ]--- 000000004 # [ 38.626511] R13: ffffa7f7412b7f10 R14: ffffa7f74<6>[ 45.622688] lkdtm: Overflow detected: saturated 12b7f10 R15: ffff98a283323000 # [ 38.634769] FS: 00007fe0c0e3e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 38.644095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.650800] CR2: ffffa7f740378fd6 CR3: 0000000105b3a002 CR4: 00000000003706f0 # [ 38.659060] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.669259] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1648, name: cat # [ 38.678004] INFO: lockdep is turned off. # [ 38.682671] irq event stamp: 0 # [ 38.686367] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.693655] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 38.703078] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 38.712502] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.719791] CPU: 0 PID: 1648 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 38.728728] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.735821] Call Trace: # [ 38.738839] dump_stack+0x77/0x9b # [ 38.742833] ___might_sleep.cold+0xa6/0xb6 # [ 38.747686] exit_signals+0x1c/0x300 # [ 38.751964] do_exit+0xc2/0xab0 # [ 38.755749] ? ksys_write+0x68/0xf0 # [ 38.759931] make_task_dead+0x2f/0x30 # [ 38.764308] rewind_stack_and_make_dead+0x17/0x20 # [ 38<6>[ 45.770438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW .769848] RIP: 0033:0x7fe0c0d54473 # [ 38.774126] Code: 8b 15 <6>[ 45.779075] lkdtm: attempting bad refcount_inc_not_zero() overflow 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<4>[ 45.792502] ------------[ cut here ]------------ 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <4>[ 45.804158] refcount_t: saturated; leaking memory. 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [<4>[ 45.816037] WARNING: CPU: 0 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 38.795396] RSP: 002b:00007ffea10f4b18 EFLAGS: 00000246 ORIG_R<4>[ 45.831965] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table AX: 0000000000000001 # [ 38.804133] RAX: ffffffffffffffda RBX<4>[ 45.890941] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.184-cip35 #1 : 000000000000000d RCX: 00007fe0c0d54473 # [ 38.812392] RDX: <4>[ 45.906088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000000d RSI: 00007fe0c0c48000 RDI: 0000000000000001 # <4>[ 45.919422] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 38.820649] RBP: 00007fe0c0c48000 R08: 00007fe0c0c47010 R09: <4>[ 45.931747] 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 35 ba 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 35 0000000000000000 # [ 38.828909] R10: fffffffffffffbc5 R11: 00<4>[ 45.959275] RSP: 0018:ffffa7f74281fe38 EFLAGS: 00010282 00000000000246 R12: 0000000000000001 # [ 38.837166] R13: 0000<4>[ 45.971581] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC<4>[ 45.986060] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 _VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VM<4>[ 46.000578] RBP: ffffffffba3f8db0 R08: 0000000000000000 R09: 0000000000000000 ALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 38<4>[ 46.015041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f .991290] lkdtm: Performing direct entry EXEC_RODATA # [ 39.00<4>[ 46.029556] R13: ffffa7f74281ff10 R14: ffffa7f74281ff10 R15: ffff98a285dc9000 0637] lkdtm: attempting ok execution at ffffffffb8f799b0 # [ <4>[ 46.044022] FS: 00007f40d3a7e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 39.007449] lkdtm: attempting bad execution at ffffffffb9f7ed20 <4>[ 46.059600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.014356] kernel tried to execute NX-protected page - exp<4>[ 46.072560] CR2: 00007f40d3888000 CR3: 0000000106b70001 CR4: 00000000003706f0 loit attempt? (uid: 0) # [ 39.023031] BUG: unable to handle p<4>[ 46.086999] Call Trace: age fault for address: ffffffffb9f7ed20 # [ 39.031001] #PF: s<4>[ 46.096274] ? __warn+0x80/0x110 upervisor instruction fetch in kernel mode # [ 39.037611] #PF<4>[ 46.106394] ? refcount_warn_saturate+0x97/0x110 : error_code(0x0011) - permissions violation # [ 39.044123] P<4>[ 46.118048] ? report_bug+0x9e/0xc0 GD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000604000e1 # [<4>[ 46.128444] ? handle_bug+0x41/0x90 39.051902] Oops: 0011 [#9] SMP PTI # [ 39.062295] CPU: 3 P<4>[ 46.138838] ? exc_invalid_op+0x14/0x70 ID: 1684 Comm: cat Tainted: G D W 5.10.184-cip35 #1<4>[ 46.149691] ? asm_exc_invalid_op+0x12/0x20 # [ 39.071236] Hardware name: Google Rammus/Rammus, BIOS 09<4>[ 46.160890] ? refcount_warn_saturate+0x97/0x110 /04/2020 # [ 39.084545] RIP: 0010:lkdtm_rodata_do_nothing+0x0<4>[ 46.172577] ? refcount_warn_saturate+0x97/0x110 /0x10 # [ 39.090571] Code: ff ff 43 ec 60 b9 ff ff ff ff 1a 9<4>[ 46.184227] __refcount_add_not_zero.constprop.0+0x2a/0x35 3 3f ba ff ff ff ff 89 d3 60 b9 ff ff ff ff 55 aa 55 aa 00 00 00<4>[ 46.196897] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 46.209625] direct_entry.cold+0x2c/0x38 0 00 00 00 00 54 68 69 73 20 69 # [ 39.111837] RSP: 0018:ffff<4>[ 46.220562] full_proxy_write+0x53/0x80 a7f742287e48 EFLAGS: 00010246 # [ 39.117953] RAX: 00000000000<4>[ 46.231351] vfs_write+0xe7/0x3b0 00033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 39.1262<4>[ 46.241618] ksys_write+0x68/0xf0 03] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad<4>[ 46.251842] do_syscall_64+0x30/0x40 9bf70 # [ 39.134460] RBP: ffffffffb9f7ed20 R08: 0000000000000<4>[ 46.262335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000 R09: 0000000000000000 # [ 39.142718] R10: 00000000ffffe00<4>[ 46.274565] RIP: 0033:0x7f40d3994473 0 R11: 3fffffffffffffff R12: 000000000000000c # [ 39.150979] <4>[ 46.285050] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R13: ffffa7f742287f10 R14: ffffa7f742287f10 R15: ffff98a2869ac00<4>[ 46.312558] RSP: 002b:00007fff612ce968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 # [ 39.159236] FS: 00007f3aae25b580(0000) GS:ffff98a2fad80<4>[ 46.327549] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f40d3994473 000(0000) knlGS:0000000000000000 # [ 39.168561] CS: 0010 DS:<4>[ 46.342006] RDX: 000000000000001f RSI: 00007f40d3888000 RDI: 0000000000000001 0000 ES: 0000 CR0: 0000000080050033 # [ 39.175265] CR2: ffff<4>[ 46.356490] RBP: 00007f40d3888000 R08: 00007f40d3887010 R09: 0000000000000000 <4>[ 46.370951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffb9f7ed20 CR3: 0000000106b70002 CR4: 00000000003706e0 # [ <4>[ 46.379237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 39.183524] Call Trace: # [ 39.186544] ? __die_body.cold+0x1a<4>[ 46.393724] irq event stamp: 0 /0x1f # [ 39.191212] ? no_context+0x177/0x380 # [ 39.1955<4>[ 46.403597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 90] ? exc_page_fault+0xd7/0x170 # [ 39.200257] ? asm_exc_pa<4>[ 46.417107] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ge_fault+0x1e/0x30 # [ 39.205212] ? execute_location+0x45/0x<4>[ 46.432789] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 56 # [ 39.209976] ? direct_entry.cold+0x2c/0x38 # [ 39.21<4>[ 46.448422] softirqs last disabled at (0): [<0000000000000000>] 0x0 4831] ? full_proxy_write+0x53/0x80 # [ 39.219598] ? vfs_wri<4>[ 46.461996] ---[ end trace 6fca391b55ed3d3f ]--- te+0xe7/0x3b0 # [ 39.223778] ? ksys_write+0x68/0xf0 # [ 3<6>[ 46.473678] lkdtm: Overflow detected: saturated 9.227961] ? do_syscall_64+0x30/0x40 # [ 39.232449] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.238577] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.297553] CR2: ffffffffb9f7ed20 # [ 39.301541] ---[ end trace 6fca391b55ed3d35 ]--- # [ 39.306977] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.311643] 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 # [ 39.332910] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 39.339032] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ <6>[ 46.592582] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 39.347290] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ff<6>[ 46.605016] lkdtm: attempting bad refcount_add_not_zero() overflow ffffffb9f7e890 # [ 39.355547] RBP: ffffffffba45d600 R08: 0000<4>[ 46.618429] ------------[ cut here ]------------ 000000000001 R09: 0000000000000001 # [ 39.363805] R10: 000000<4>[ 46.630106] refcount_t: saturated; leaking memory. 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39<4>[ 46.641971] WARNING: CPU: 0 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .372065] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98<4>[ 46.657861] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table a283323000 # [ 39.380321] FS: 00007f3aae25b580(0000) GS:ffff<4>[ 46.716876] CPU: 0 PID: 2062 Comm: cat Tainted: G D W 5.10.184-cip35 #1 98a2fad80000(0000) knlGS:0000000000000000 # [ 39.389647] CS: <4>[ 46.732005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.396352] <4>[ 46.745330] RIP: 0010:refcount_warn_saturate+0x97/0x110 CR2: ffffffffb9f7ed20 CR3: 0000000106b70002 CR4: 00000000003706e<4>[ 46.757717] 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 35 ba 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 35 0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm:<4>[ 46.785205] RSP: 0018:ffffa7f7428afe38 EFLAGS: 00010282 EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed<4>[ 46.797582] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 39.509126] lkdtm: Performing direct entry EXEC_USERSPACE<4>[ 46.812112] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 39.516660] lkdtm: attempting ok execution at ffffffffb8f<4>[ 46.826572] RBP: ffffffffba3f8dd0 R08: 0000000000000000 R09: 0000000000000000 799b0 # [ 39.523508] lkdtm: attempting bad execution at 00007<4>[ 46.841029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f fe96e011000 # [ 39.530456] unable to execute userspace code (<4>[ 46.855519] R13: ffffa7f7428aff10 R14: ffffa7f7428aff10 R15: ffff98a285975000 SMEP?) (uid: 0) # [ 39.543363] BUG: unable to handle page fau<4>[ 46.869985] FS: 00007f8d39c9a580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 lt for address: 00007fe96e011000 # [ 39.551332] #PF: supervis<4>[ 46.885621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 or instruction fetch in kernel mode # [ 39.557942] #PF: error<4>[ 46.898509] CR2: 00007f8d39aa4000 CR3: 0000000102ab6003 CR4: 00000000003706f0 _code(0x0011) - permissions violation # [ 39.564455] PGD 8000<4>[ 46.913015] Call Trace: 000105edb067 P4D 8000000105edb067 PUD 105b88067 PMD 105bf4067 PT<4>[ 46.922249] ? __warn+0x80/0x110 E 10b19f067 # [ 39.574465] Oops: 0011 [#10] SMP PTI # [ 39<4>[ 46.932410] ? refcount_warn_saturate+0x97/0x110 .578744] CPU: 3 PID: 1720 Comm: cat Tainted: G D W <4>[ 46.944037] ? report_bug+0x9e/0xc0 5.10.184-cip35 #1 # [ 39.587681] Hardware name: Google Rammus<4>[ 46.954476] ? handle_bug+0x41/0x90 /Rammus, BIOS 09/04/2020 # [ 39.594776] RIP: 0010:0x7fe96e01<4>[ 46.964836] ? exc_invalid_op+0x14/0x70 1000 # [ 39.599053] Code: Unable to access opcode bytes at RI<4>[ 46.975634] ? asm_exc_invalid_op+0x12/0x20 P 0x7fe96e010fd6. # [ 39.606632] RSP: 0018:ffffa7f74234fe50 E<4>[ 46.986806] ? refcount_warn_saturate+0x97/0x110 FLAGS: 00010246 # [ 39.612755] RAX: 0000000000000033 RBX: 000<4>[ 46.998473] ? refcount_warn_saturate+0x97/0x110 0000000000024 RCX: 0000000000000000 # [ 39.621013] RDX: 00000<4>[ 47.010128] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 3<4>[ 47.022765] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 9.629272] RBP: 00007fe96e011000 R08: 0000000000000000 R09: 00000<4>[ 47.035523] direct_entry.cold+0x2c/0x38 00000000000 # [ 39.637529] R10: 00000000ffffe000 R11: 3ffffff<4>[ 47.046416] full_proxy_write+0x53/0x80 fffffffff R12: 000000000000000f # [ 39.645787] R13: ffffa7f74<4>[ 47.057193] vfs_write+0xe7/0x3b0 234ff10 R14: ffffa7f74234ff10 R15: ffff98a28477b000 # [ 39.65<4>[ 47.067402] ksys_write+0x68/0xf0 4044] FS: 00007fe96dfe2580(0000) GS:ffff98a2fad80000(0000) knlG<4>[ 47.077590] do_syscall_64+0x30/0x40 S:0000000000000000 # [ 39.663370] CS: 0010 DS: 0000 ES: 0000<4>[ 47.088106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CR0: 0000000080050033 # [ 39.670099] CR2: 00007fe96e011000 C<4>[ 47.100260] RIP: 0033:0x7f8d39bb0473 R3: 0000000105de8001 CR4: 00000000003706e0 # [ 39.678358] Cal<4>[ 47.110808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 l Trace: # [ 39.681401] ? __die_body.cold+0x1a/0x1f # [ 3<4>[ 47.138281] RSP: 002b:00007ffc0da7f148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 9.686073] ? no_context+0x177/0x380 # [ 39.696659] ? exc_pag<4>[ 47.153280] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8d39bb0473 e_fault+0x53/0x170 # [ 39.701325] ? asm_exc_page_fault+0x1e/<4>[ 47.167743] RDX: 000000000000001f RSI: 00007f8d39aa4000 RDI: 0000000000000001 0x30 # [ 39.706289] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae #<4>[ 47.182268] RBP: 00007f8d39aa4000 R08: 00007f8d39aa3010 R09: 0000000000000000 [ 39.711926] ? direct_entry.cold+0x2c/0x38 # [ 39.716789]<4>[ 47.196722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ? full_proxy_write+0x53/0x80 # [ 39.721553] ? vfs_write+0x<4>[ 47.211243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e7/0x3b0 # [ 39.725726] ? ksys_write+0x68/0xf0 # [ 39.729<4>[ 47.225711] irq event stamp: 0 907] ? do_syscall_64+0x30/0x40 # [ 39.734396] ? entry_SYSCA<4>[ 47.235649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 LL_64_after_hwframe+0x61/0xc6 # [ 39.740524] Modules linked i<4>[ 47.249153] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 n: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens<4>[ 47.264827] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ors_core industrialio_triggered_buffer kfifo_buf industrialio sn<4>[ 47.280494] softirqs last disabled at (0): [<0000000000000000>] 0x0 d_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger c<4>[ 47.294027] ---[ end trace 6fca391b55ed3d40 ]--- ros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobu<6>[ 47.305688] lkdtm: Overflow detected: saturated f2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.799497] CR2: 00007fe96e011000 # [ 39.803483] ---[ end trace 6fca391b55ed3d36 ]--- # [ 39.808927] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.813584] 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 # [ 39.834853] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 39.840975] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.849231] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 39.857488] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 39.865746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.874003] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 39.882261] FS: 00007fe96dfe2580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 39.891588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.898291] CR2: <6>[ 47.437029] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00007fe96e011000 CR3: 0000000105de8001 CR4: 00000000003706e0 # <6>[ 47.448159] lkdtm: attempting good refcount_dec() [ 39.906548] BUG: sleeping function called from invalid contex<6>[ 47.459926] lkdtm: attempting bad refcount_dec() to zero t at include/linux/percpu-rwsem.h:49 # [ 39.916747] in_atomic<4>[ 47.472352] ------------[ cut here ]------------ (): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat #<4>[ 47.484012] refcount_t: decrement hit 0; leaking memory. [ 39.925490] INFO: lockdep is turned off. # [ 39.930155] i<4>[ 47.496485] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 rq event stamp: 0 # [ 39.933851] hardirqs last enabled at (0<4>[ 47.512402] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table ): [<0000000000000000>] 0x0 # [ 39.941130] hardirqs last disa<4>[ 47.571350] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.184-cip35 #1 bled at (0): [] copy_process+0x664/0x1c60 # [<4>[ 47.586505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 39.950554] softirqs last enabled at (0): [<4>[ 47.599822] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ] copy_process+0x664/0x1c60 # [ 39.959968] softirqs last disa<4>[ 47.612165] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba 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 bled at (0): [<0000000000000000>] 0x0 # [ 39.967256] CPU: 3 P<4>[ 47.639657] RSP: 0018:ffffa7f74290fe48 EFLAGS: 00010286 <4>[ 47.651998] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ID: 1720 Comm: cat Tainted: G D W 5.10.184-cip35 #1<4>[ 47.660290] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 39.976183] Hardware name: Google Rammus/Rammus, BIOS 09<4>[ 47.674744] RBP: ffffffffba3f9189 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.689223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 /04/2020 # [ 39.983275] Call Trace: # [ 39.986292] dump_s<4>[ 47.697489] R13: ffffa7f74290ff10 R14: ffffa7f74290ff10 R15: ffff98a286aaa000 tack+0x77/0x9b # [ 39.990272] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.711967] FS: 00007f42c8f5a580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 39.995135] exit_signals+0x1c/0x300 # [ 39.999413] do<4>[ 47.727516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _exit+0xc2/0xab0 # [ 40.003207] ? ksys_write+0x68/0xf0 # [ <4>[ 47.740449] CR2: 00007f42c8d64000 CR3: 0000000105a92005 CR4: 00000000003706e0 40.007398] make_task_dead+0x2f/0x30 # [ 40.011774] rewind<4>[ 47.754922] Call Trace: _stack_and_make_dead+0x17/0x20 # [ 40.017304] RIP: 0033:0x7fe<4>[ 47.764164] ? __warn+0x80/0x110 96def8473 # [ 40.021583] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 <4>[ 47.774271] ? refcount_warn_saturate+0xfb/0x110 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8<4>[ 47.785937] ? report_bug+0x9e/0xc0 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f <4>[ 47.796340] ? handle_bug+0x41/0x90 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.042843] RSP: 002b:<4>[ 47.806743] ? exc_invalid_op+0x14/0x70 00007ffe410a2eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # <4>[ 47.817536] ? asm_exc_invalid_op+0x12/0x20 [ 40.051579] RAX: ffffffffffffffda RBX: 000000000000000f RCX: <4>[ 47.828719] ? refcount_warn_saturate+0xfb/0x110 00007fe96def8473 # [ 40.059836] RDX: 000000000000000f RSI: 00<4>[ 47.840382] ? refcount_warn_saturate+0xfb/0x110 007fe96ddec000 RDI: 0000000000000001 # [ 40.068096] RBP: 0000<4>[ 47.852049] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 7fe96ddec000 R08: 00007fe96ddeb010 R09: 0000000000000000 # [ <4>[ 47.863521] direct_entry.cold+0x2c/0x38 40.076354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000<4>[ 47.874411] full_proxy_write+0x53/0x80 000000000001 # [ 40.084611] R13: 0000000000000001 R14: 000000<4>[ 47.885202] vfs_write+0xe7/0x3b0 0000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call tr<4>[ 47.895413] ksys_write+0x68/0xf0 ace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftest<4>[ 47.905624] do_syscall_64+0x30/0x40 s: lkdtm: EXEC_NULL.sh # Killed # [ 40.308092] lkdtm: Perfor<4>[ 47.916124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ming direct entry EXEC_NULL # [ 40.316288] lkdtm: attempting <4>[ 47.928272] RIP: 0033:0x7f42c8e70473 ok execution at ffffffffb8f799b0 # [ 40.329329] lkdtm: attemp<4>[ 47.938772] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ting bad execution at 0000000000000000 # [ 40.342439] BUG: ke<4>[ 47.966266] RSP: 002b:00007ffc3c0ced88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rnel NULL pointer dereference, address: 0000000000000000 # [ <4>[ 47.981232] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f42c8e70473 40.356719] #PF: supervisor instruction fetch in kernel mode # [<4>[ 47.995714] RDX: 0000000000000012 RSI: 00007f42c8d64000 RDI: 0000000000000001 <4>[ 48.010195] RBP: 00007f42c8d64000 R08: 00007f42c8d63010 R09: 0000000000000000 40.363327] #PF: error_code(0x0010) - not-present page # [ <4>[ 48.018461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 40.369352] PGD 0 P4D 0 # [ 40.372466] Oops: 0010 [#11] SMP P<4>[ 48.032934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 TI # [ 40.376745] CPU: 1 PID: 1756 Comm: cat Tainted: G <4>[ 48.047423] irq event stamp: 0 D W 5.10.184-cip35 #1 # [ 40.385683] Hardware name: G<4>[ 48.057337] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 40.392777] RIP: 001<4>[ 48.070849] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0:0x0 # [ 40.395987] Code: Unable to access opcode bytes at R<4>[ 48.086496] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 IP 0xffffffffffffffd6. # [ 40.403956] RSP: 0018:ffffa7f7423c7<4>[ 48.102145] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.115655] ---[ end trace 6fca391b55ed3d41 ]--- e48 EFLAGS: 00010246 # [ 40.410078] RAX: 0000000000000033 RBX<6>[ 48.121106] lkdtm: Zero detected: saturated : 0000000000000000 RCX: 0000000000000000 # [ 40.418336] RDX: 0000000000000000 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 40.426596] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.434855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 40.443114] R13: ffffa7f7423c7f10 R14: ffffa7f7423c7f10 R15: ffff98a28693e000 # [ 40.451395] FS: 00007f23f5c86580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 40.460724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.467434] CR2: ffffffffffffffd6 CR3: 00000001069f8005 CR4: 00000000003706e0 # [ 40.475701] Call Trace: # [ 40.484934] ? __die_body.cold+0x1a/0x1f # [ 40.489604] ? no_context+0x177/0x380 # [ 40.500193] ? exc_page_fault+0x53/0x170 # [ 40.504862] ? asm_exc_page_fault+0x1e/0x30 # [ 40.516036] execute_location+0x45/0x56 # [ 40.526821] direct_entry.cold+0x2c/0x38 # [ 40.531489] full_proxy_write+0x53/0x80 # [ 40.536062] vfs_write+0xe7/0x3b0 # [ 40.546259] ksys_write+0x68/0xf0 # [ 40.550248] do_syscall_64+0x30/0x40 # [ 40.554530] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.560458] RIP: 0033:0x7f23f5b9c473 # [ 40.564737] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<6>[ 48.266455] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 8 48 89 54 24 18 # [ 40.586005] RSP: 002b:00007fff7e67b538 EF<6>[ 48.276017] lkdtm: attempting bad refcount_dec() below zero LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.594748] RAX:<4>[ 48.288750] ------------[ cut here ]------------ ffffffffffffffda RBX: 000000000000000a RCX: 00007f23f5b9c473 #<4>[ 48.300407] refcount_t: decrement hit 0; leaking memory. [ 40.603007] RDX: 000000000000000a RSI: 00007f23f5a90000 RDI:<4>[ 48.312875] WARNING: CPU: 1 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000000000000001 # [ 40.611267] RBP: 00007f23f5a90000 R08: 0<4>[ 48.328782] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.387743] CPU: 1 PID: 2129 Comm: cat Tainted: G D W 5.10.184-cip35 #1 0007f23f5a8f010 R09: 0000000000000000 # [ 40.619525] R10: fff<4>[ 48.396688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 48.410000] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 48.422345] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba 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 40.627784] R13: 0000000000000001 R14: 0000000000020000 R15: 000<4>[ 48.443628] RSP: 0018:ffffa7f7429c7e48 EFLAGS: 00010286 <4>[ 48.455965] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 0000000020000 # [ 40.636046] Modules linked in: fuse ip_table<4>[ 48.464230] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 <4>[ 48.478706] RBP: ffffffffba3f919b R08: 0000000000000000 R09: 0000000000000000 s cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industr<4>[ 48.486971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 48.501450] R13: ffffa7f7429c7f10 R14: ffffa7f7429c7f10 R15: ffff98a283c55000 ialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cro<4>[ 48.509716] FS: 00007f20e81c0580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 <4>[ 48.525260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 s_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charge<4>[ 48.531970] CR2: 00007f20e7fca000 CR3: 0000000106aa8006 CR4: 00000000003706e0 <4>[ 48.546462] Call Trace: r cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_<4>[ 48.549487] ? __warn+0x80/0x110 ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobu<4>[ 48.559586] ? refcount_warn_saturate+0xfb/0x110 f2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine <4>[ 48.571248] ? report_bug+0x9e/0xc0 videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_l<4>[ 48.581646] ? handle_bug+0x41/0x90 <4>[ 48.592045] ? exc_invalid_op+0x14/0x70 ed_backlight chromeos_pstore coreboot_table # [ 40.694986] CR<4>[ 48.596646] ? asm_exc_invalid_op+0x12/0x20 2: 0000000000000000 # [ 40.698974] ---[ end trace 6fca391b55e<4>[ 48.607819] ? refcount_warn_saturate+0xfb/0x110 d3d37 ]--- # [ 40.704420] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 48.619508] ? refcount_warn_saturate+0xfb/0x110 40.709108] Code: 89 ff e8 ce e6 79 ff 48 c7 c0 ea ff ff ff eb d<4>[ 48.631144] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<4>[ 48.643001] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0<4>[ 48.653889] full_proxy_write+0x53/0x80 0 83 05 b0 55 e9 02 # [ 40.736588] RSP: 0018:ffffa7f7412b7e60<4>[ 48.664680] vfs_write+0xe7/0x3b0 <4>[ 48.674887] ksys_write+0x68/0xf0 EFLAGS: 00010282 # [ 40.742711] RAX: ffffffffb8f795e0 RBX: 0<4>[ 48.678881] do_syscall_64+0x30/0x40 <4>[ 48.689391] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000000000001 RCX: 0000000000000000 # [ 40.750968] RDX: 000<4>[ 48.695321] RIP: 0033:0x7f20e80d6473 <4>[ 48.705813] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ <4>[ 48.727095] RSP: 002b:00007fffbdb92d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.742056] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f20e80d6473 <4>[ 48.750320] RDX: 0000000000000016 RSI: 00007f20e7fca000 RDI: 0000000000000001 <4>[ 48.758585] RBP: 00007f20e7fca000 R08: 00007f20e7fc9010 R09: 0000000000000000 40.759224] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 000<4>[ 48.766851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.781324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000001 # [ 40.767482] R10: 00000000ffffe000 R11: 3ffff<4>[ 48.789592] irq event stamp: 0 <4>[ 48.799505] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffff R12: 0000000000000004 # [ 40.775739] R13: ffffa7f<4>[ 48.806801] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.822448] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 40.<4>[ 48.831875] softirqs last disabled at (0): [<0000000000000000>] 0x0 783996] FS: 00007f23f5c86580(0000) GS:ffff98a2fac80000(0000) kn<4>[ 48.845376] ---[ end trace 6fca391b55ed3d42 ]--- lGS:0000000000000000 # [ 40.793322] CS: 0010 DS: 0000 ES: 00<6>[ 48.857039] lkdtm: Negative detected: saturated 00 CR0: 0000000080050033 # [ 40.800026] CR2: ffffffffffffffd6 CR3: 00000001069f8005 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 40.921838] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 40.932917] lkdtm: attempting bad read at 00007f1922faf000 # [ 40.939350] BUG: unable to handle page fault for address: 00007f1922faf000 # [ 40.953518] #PF: supervisor read access in kernel mode # [ 40.959556] #PF: error_code(0x0001) - permissions violation # [ 40.966070] PGD 8000000105a6b067 P4D 8000000105a6b067 PUD 106b10067 PMD 103f74067 PTE 108a56067 # [ 40.976084] Oops: 0001 [#12] SMP PTI # [ 40.986574] CPU: 3 PID: 1791 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 40.995513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.002609] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 41.009119] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 a0 3f ba e8 9c d7 fb ff 48 c7 c7 60 a0 3f ba 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 3f # [ 41.030399] RSP: 0018:ffffa7f742457e48 EFLAGS<6>[ 48.982125] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 48.994588] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 49.002008] ------------[ cut here ]------------ <4>[ 49.007477] refcount_t: underflow; use-after-free. <4>[ 49.013152] WARNING: CPU: 2 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 49.022883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table : 00010246 # [ 41.036523] RAX: 00000000c0dec0de RBX: 00000000<4>[ 49.075670] CPU: 2 PID: 2164 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 49.090824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.097953] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 49.104083] 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 35 ba 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 <4>[ 49.125361] RSP: 0018:ffffa7f742a4fe40 EFLAGS: 00010286 00000026 RCX: 0000000000000000 # [ 41.044773] RDX: 0000000000<4>[ 49.131518] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 49.145996] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 <4>[ 49.154290] RBP: ffffffffba3f8df0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.162551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.170812] R13: ffffa7f742a4ff10 R14: ffffa7f742a4ff10 R15: ffff98a285a92000 <4>[ 49.179075] FS: 00007fedfba5f580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 000000 RSI: ffff98a2fad9bf70 RDI: ffffffffba3fa060 # [ 41.053<4>[ 49.188413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.201332] CR2: 00007fedfb869000 CR3: 00000001069e0003 CR4: 00000000003706e0 <4>[ 49.209595] Call Trace: <4>[ 49.212617] ? __warn+0x80/0x110 030] RBP: 00007f1922faf000 R08: 0000000000000000 R09: 0000000000<4>[ 49.216538] ? refcount_warn_saturate+0xba/0x110 <4>[ 49.228191] ? report_bug+0x9e/0xc0 <4>[ 49.232396] ? handle_bug+0x41/0x90 <4>[ 49.236580] ? exc_invalid_op+0x14/0x70 <4>[ 49.241145] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.246108] ? refcount_warn_saturate+0xba/0x110 <4>[ 49.251578] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 49.257996] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 49.264513] direct_entry.cold+0x2c/0x38 <4>[ 49.269185] full_proxy_write+0x53/0x80 <4>[ 49.273784] vfs_write+0xe7/0x3b0 <4>[ 49.277773] ksys_write+0x68/0xf0 <4>[ 49.281764] do_syscall_64+0x30/0x40 <4>[ 49.286046] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.291979] RIP: 0033:0x7fedfb975473 <4>[ 49.296260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.317533] RSP: 002b:00007ffcf5827538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.326284] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fedfb975473 <4>[ 49.334546] RDX: 000000000000001f RSI: 00007fedfb869000 RDI: 0000000000000001 <4>[ 49.342800] RBP: 00007fedfb869000 R08: 00007fedfb868010 R09: 0000000000000000 <4>[ 49.351064] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.359328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.367594] irq event stamp: 0 <4>[ 49.371317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.378607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.388034] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.397460] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000 # [ 41.061288] R10: 00000000ffffe000 R11: 3fffffffffff<4>[ 49.404754] ---[ end trace 6fca391b55ed3d43 ]--- <6>[ 49.416415] lkdtm: Negative detected: saturated ffff R12: 0000000000000011 # [ 41.069546] R13: ffffa7f742457f10 R14: ffffa7f742457f10 R15: ffff98a285d1b000 # [ 41.077805] FS: 00007f1922f80580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 41.087121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.093827] CR2: 00007f1922faf000 CR3: 0000000104a0e006 CR4: 00000000003706e0 # [ 41.102084] Call Trace: # [ 41.105104] ? __die_body.cold+0x1a/0x1f # [ 41.109774] ? no_context+0x177/0x380 # [ 41.114152] ? exc_page_fault+0x53/0x170 # [ 41.118818] ? asm_exc_page_fault+0x1e/0x30 # [ 41.123781] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 41.129613] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 41.135456] direct_entry.cold+0x2c/0x38 # [ 41.140125] full_proxy_write+0x53/0x80 # [ 41.144695] vfs_write+0xe7/0x3b0 # [ 41.148672] ksys_write+0x68/0xf0 # [ 41.152661] do_syscall_64+0x30/0x40 # [ 41.156940] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.162870] RIP: 0033:0x7f1922e96473 # [ 41.167139] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.188407] RSP: 002b:00007ffe7aeaa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.197151] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1922e96473 # [<6>[ 49.554058] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 49.566442] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 49.573841] ------------[ cut here ]------------ <4>[ 49.579294] refcount_t: underflow; use-after-free. <4>[ 49.584963] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 41.205410] RDX: 0000000000000011 RSI: 00007f1922d8a000 RDI: 0<4>[ 49.594690] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 49.653629] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 49.662595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.669695] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 49.675824] 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 35 ba 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 <4>[ 49.697097] RSP: 0018:ffffa7f742ab7e40 EFLAGS: 00010286 000000000000001 # [ 41.213669] RBP: 00007f1922d8a000 R08: 000<4>[ 49.703227] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 49.717705] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 <4>[ 49.726002] RBP: ffffffffba3f8e10 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.734288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.742552] R13: ffffa7f742ab7f10 R14: ffffa7f742ab7f10 R15: ffff98a282ab4000 <4>[ 49.750838] FS: 00007f4029d1f580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 07f1922d89010 R09: 0000000000000000 # [ 41.221926] R10: fffff<4>[ 49.760182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.773095] CR2: 00007f4029b29000 CR3: 0000000106862006 CR4: 00000000003706e0 <4>[ 49.781358] Call Trace: <4>[ 49.784408] ? __warn+0x80/0x110 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 4<4>[ 49.788308] ? refcount_warn_saturate+0xba/0x110 <4>[ 49.799965] ? report_bug+0x9e/0xc0 <4>[ 49.804151] ? handle_bug+0x41/0x90 <4>[ 49.808359] ? exc_invalid_op+0x14/0x70 <4>[ 49.812933] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.817900] ? refcount_warn_saturate+0xba/0x110 1.230185] R13: 0000000000000001 R14: 0000000000020000 R15: 00000<4>[ 49.823376] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 49.836003] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 49.842545] direct_entry.cold+0x2c/0x38 <4>[ 49.847218] full_proxy_write+0x53/0x80 00000020000 # [ 41.238457] Modules linked in: fuse ip_tables <4>[ 49.851820] vfs_write+0xe7/0x3b0 <4>[ 49.862031] ksys_write+0x68/0xf0 <4>[ 49.866048] do_syscall_64+0x30/0x40 <4>[ 49.870354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.876288] RIP: 0033:0x7f4029c35473 <4>[ 49.880571] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.901848] RSP: 002b:00007fff1b8be178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.910597] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4029c35473 <4>[ 49.918860] RDX: 000000000000001f RSI: 00007f4029b29000 RDI: 0000000000000001 <4>[ 49.927123] RBP: 00007f4029b29000 R08: 00007f4029b28010 R09: 0000000000000000 <4>[ 49.935401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.943655] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.951923] irq event stamp: 0 <4>[ 49.955652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.962944] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.972375] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industria<4>[ 49.981806] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.995314] ---[ end trace 6fca391b55ed3d44 ]--- <6>[ 50.000762] lkdtm: Negative detected: saturated lio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.297444] CR2: 00007f1922faf000 # [ 41.301445] ---[ end trace 6fca391b55ed3d38 ]--- # [ 41.306892] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.311557] 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 # [ 41.332825] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 41.338938] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.347196] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 41.355454] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 41.363711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.371968] R13: ffffa7f74<6>[ 50.121188] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 12b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 41.38<6>[ 50.130853] lkdtm: attempting safe refcount_inc_not_zero() from zero 0226] FS: 00007f1922f80580(0000) GS:ffff98a2fad80000(0000) knlG<6>[ 50.144460] lkdtm: Good: zero detected S:0000000000000000 # [ 41.389550] CS: 0010 DS: 0000 ES: 0000<6>[ 50.155149] lkdtm: Correctly stayed at zero CR0: 0000000080050033 # [ 41.396255] CR2: 00007f1922faf000 C<6>[ 50.166324] lkdtm: attempting bad refcount_inc() from zero R3: 0000000104a0e006 CR4: 00000000003706e0 # [ 41.404514] BUG<4>[ 50.178962] ------------[ cut here ]------------ : sleeping function called from invalid context at include/linux<4>[ 50.190629] refcount_t: addition on 0; use-after-free. /percpu-rwsem.h:49 # [ 41.414713] in_atomic(): 0, irqs_disabl<4>[ 50.202907] WARNING: CPU: 1 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ed(): 1, non_block: 0, pid: 1791, name: cat # [ 41.423457] IN<4>[ 50.218815] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table FO: lockdep is turned off. # [ 41.428122] irq event stamp: 0 <4>[ 50.277778] CPU: 1 PID: 2231 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 41.431817] hardirqs last enabled at (0): [<0000000000000<4>[ 50.292939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000>] 0x0 # [ 41.439106] hardirqs last disabled at (0): [[ 50.306257] RIP: 0010:refcount_warn_saturate+0x74/0x110 fffffb84fd844>] copy_process+0x664/0x1c60 # [ 41.448531] soft<4>[ 50.318600] 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 35 ba 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 35 irqs last enabled at (0): [] copy_process+0x6<4>[ 50.346122] RSP: 0018:ffffa7f742b57e48 EFLAGS: 00010286 64/0x1c60 # [ 41.457945] softirqs last disabled at (0): [<000<4>[ 50.358460] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 0000000000000>] 0x0 # [ 41.465233] CPU: 3 PID: 1791 Comm: cat<4>[ 50.372933] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 Tainted: G D W 5.10.184-cip35 #1 # [ 41.474168]<4>[ 50.387414] RBP: ffffffffba3f91b1 R08: 0000000000000000 R09: 0000000000000000 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41<4>[ 50.401895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 .481262] Call Trace: # [ 41.484279] dump_stack+0x77/0x9b # <4>[ 50.416402] R13: ffffa7f742b57f10 R14: ffffa7f742b57f10 R15: ffff98a283f73000 [ 41.488267] ___might_sleep.cold+0xa6/0xb6 # [ 41.493129] <4>[ 50.430880] FS: 00007fc8574a6580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 exit_signals+0x1c/0x300 # [ 41.497400] do_exit+0xc2/0xab0 <4>[ 50.446442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.501194] ? ksys_write+0x68/0xf0 # [ 41.505367] make<4>[ 50.459401] CR2: 00007fc8572b0000 CR3: 0000000105c0e005 CR4: 00000000003706e0 _task_dead+0x2f/0x30 # [ 41.509742] rewind_stack_and_make_de<4>[ 50.473881] Call Trace: ad+0x17/0x20 # [ 41.515273] RIP: 0033:0x7f1922e96473 # [ 4<4>[ 50.483124] ? __warn+0x80/0x110 1.519552] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[ 50.493230] ? refcount_warn_saturate+0x74/0x110 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[ 50.504894] ? report_bug+0x9e/0xc0 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec <4>[ 50.515296] ? handle_bug+0x41/0x90 28 48 89 54 24 18 # [ 41.540810] RSP: 002b:00007ffe7aeaa808 E<4>[ 50.525697] ? exc_invalid_op+0x14/0x70 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.549555] RAX<4>[ 50.536488] ? asm_exc_invalid_op+0x12/0x20 : ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1922e96473 <4>[ 50.547671] ? refcount_warn_saturate+0x74/0x110 # [ 41.557806] RDX: 0000000000000011 RSI: 00007f1922d8a000 RDI<4>[ 50.559334] ? refcount_warn_saturate+0x74/0x110 : 0000000000000001 # [ 41.566064] RBP: 00007f1922d8a000 R08: <4>[ 50.570996] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 00007f1922d89010 R09: 0000000000000000 # [ 41.574322] R10: ff<4>[ 50.582466] direct_entry.cold+0x2c/0x38 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 50.593353] full_proxy_write+0x53/0x80 41.582580] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 50.604144] vfs_write+0xe7/0x3b0 00000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37<4>[ 50.614352] ksys_write+0x68/0xf0 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCE<4>[ 50.624560] do_syscall_64+0x30/0x40 SS_NULL.sh # Killed # [ 41.702625] lkdtm: Performing direct <4>[ 50.635056] entry_SYSCALL_64_after_hwframe+0x61/0xc6 entry ACCESS_NULL # [ 41.708783] lkdtm: attempting bad read a<4>[ 50.647206] RIP: 0033:0x7fc8573bc473 t 0000000000000000 # [ 41.715204] BUG: kernel NULL pointer de<4>[ 50.657705] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 reference, address: 0000000000000000 # [ 41.723300] #PF: supe<4>[ 50.685201] RSP: 002b:00007fffe0594908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rvisor read access in kernel mode # [ 41.729329] #PF: error_c<4>[ 50.700166] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc8573bc473 ode(0x0000) - not-present page # [ 41.735346] PGD 0 P4D 0 #<4>[ 50.714647] RDX: 0000000000000012 RSI: 00007fc8572b0000 RDI: 0000000000000001 [ 41.738464] Oops: 0000 [#13] SMP PTI # [ 41.742744] CPU: <4>[ 50.729127] RBP: 00007fc8572b0000 R08: 00007fc8572af010 R09: 0000000000000000 3 PID: 1826 Comm: cat Tainted: G D W 5.10.184-cip35<4>[ 50.743608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #1 # [ 41.751684] Hardware name: Google Rammus/Rammus, BIOS <4>[ 50.758088] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 09/04/2020 # [ 41.758783] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0<4>[ 50.772571] irq event stamp: 0 x53 # [ 41.764327] Code: 40 d7 fb ff be 00 10 00 00 48 89 ef <4>[ 50.782483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e8 12 76 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 3<4>[ 50.795996] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 8 a0 3f ba e8 1a d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de <4>[ 50.811643] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 c0 48 c7 c7 60 a0 3f ba 48 01 # [ 41.791807] RSP: 0018:ffffa7<4>[ 50.827288] softirqs last disabled at (0): [<0000000000000000>] 0x0 f7424e7e58 EFLAGS: 00010246 # [ 41.797930] RAX: 0000000000000<4>[ 50.840795] ---[ end trace 6fca391b55ed3d45 ]--- 02e RBX: 0000000000000027 RCX: 0000000000000000 # [ 41.806189<6>[ 50.852456] lkdtm: Zero detected: saturated ] RDX: 0000000000000000 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 41.814448] RBP: ffffffffba3f9129 R08: 0000000000000000 R09: 0000000000000000 # [ 41.822706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.830965] R13: ffffa7f7424e7f10 R14: ffffa7f7424e7f10 R15: ffff98a283d0e000 # [ 41.839223] FS: 00007fd21389a580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 41.848551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.855249] CR2: 0000000000000000 CR3: 0000000106818004 CR4: 00000000003706e0 # [ 41.863507] Call Trace: # [ 41.866528] ? __die_body.cold+0x1a/0x1f # [ 41.871197] ? no_context+0x177/0x380 # [ 41.875576] ? exc_page_fault+0x53/0x170 # [ 41.880244] ? asm_exc_page_fault+0x1e/0x30 # [ 41.885195] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.890057] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.894918] direct_entry.cold+0x2c/0x38 # [ 41.899577] full_proxy_write+0x53/0x80 # [ 41.904150] vfs_write+0xe7/0x3b0 # [ 41.908137] ksys_write+0x68/0xf0 # [ 41.912127] do_syscall_64+0x30/0x40 # [ 41.916405] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.922326] RIP: 0033:0x7fd2137b0473 # [ 41.9265<6>[ 50.977105] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 50.988382] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 50.995791] lkdtm: Good: zero detected <6>[ 51.000285] lkdtm: Correctly stayed at zero <6>[ 51.005259] lkdtm: attempting bad refcount_add() from zero <4>[ 51.011685] ------------[ cut here ]------------ <4>[ 51.017133] refcount_t: addition on 0; use-after-free. <4>[ 51.023191] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 95] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff <4>[ 51.032920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 51.091874] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 51.100841] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0<4>[ 51.107945] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 51.120287] 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 35 ba 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 35 <4>[ 51.141597] RSP: 0018:ffffa7f742bc7e48 EFLAGS: 00010286 <4>[ 51.147726] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 51.155989] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 <4>[ 51.164275] RBP: ffffffffba3f91c3 R08: 0000000000000000 R09: 0000000000000000 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 <4>[ 51.172552] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 51.187024] R13: ffffa7f742bc7f10 R14: ffffa7f742bc7f10 R15: ffff98a282abe000 <4>[ 51.195286] FS: 00007f76d3ed1580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 <4>[ 51.204618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.211328] CR2: 00007f76d3cdb000 CR3: 00000001030f4006 CR4: 00000000003706e0 <4>[ 51.219591] Call Trace: <4>[ 51.222614] ? __warn+0x80/0x110 <4>[ 51.226538] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.231988] ? report_bug+0x9e/0xc0 <4>[ 51.236174] ? handle_bug+0x41/0x90 <4>[ 51.240402] ? exc_invalid_op+0x14/0x70 89 54 24 18 # [ 41.947862] RSP: 002b:00007ffd72dcada8 EFLAGS:<4>[ 51.244979] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.256151] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.261620] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.267069] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 51.272322] direct_entry.cold+0x2c/0x38 <4>[ 51.276994] full_proxy_write+0x53/0x80 <4>[ 51.281594] vfs_write+0xe7/0x3b0 <4>[ 51.285609] ksys_write+0x68/0xf0 <4>[ 51.289601] do_syscall_64+0x30/0x40 <4>[ 51.293883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 51.299817] RIP: 0033:0x7f76d3de7473 <4>[ 51.304099] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 51.325393] RSP: 002b:00007ffff9f27928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000246 ORIG_RAX: 0000000000000001 # [ 41.956606] RAX: ffff<4>[ 51.334150] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f76d3de7473 <4>[ 51.348624] RDX: 0000000000000012 RSI: 00007f76d3cdb000 RDI: 0000000000000001 <4>[ 51.356888] RBP: 00007f76d3cdb000 R08: 00007f76d3cda010 R09: 0000000000000000 <4>[ 51.365150] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.373413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffda RBX: 000000000000000c RCX: 00007fd2137b0473 # [ <4>[ 51.381680] irq event stamp: 0 41.964864] RDX: 000000000000000c RSI: 00007fd2136a4000 RDI: 0000<4>[ 51.391590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.405098] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.414527] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.423955] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.431246] ---[ end trace 6fca391b55ed3d46 ]--- <6>[ 51.436691] lkdtm: Zero detected: saturated 000000000001 # [ 41.973121] RBP: 00007fd2136a4000 R08: 00007fd2136a3010 R09: 0000000000000000 # [ 41.981398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.989656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.997919] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.056894] CR2: 0000000000000000 # [ 42.060872] ---[ end trace 6fca391b55ed3d39 ]--- # [ 42.066317] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.070982] 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 # [ 42.092250] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 42.098395] RAX: ffffffffb8f795e0 RBX: 000000<6>[ 51.561972] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 0000000001 RCX: 0000000000000000 # [ 42.106654] RDX: 00000000<6>[ 51.573087] lkdtm: attempting bad refcount_inc() from saturated 00000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 42.1<4>[ 51.586209] ------------[ cut here ]------------ 14911] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 00000000<4>[ 51.597869] refcount_t: saturated; leaking memory. 00000001 # [ 42.123169] R10: 00000000ffffe000 R11: 3fffffffff<4>[ 51.609755] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ffffff R12: 0000000000000004 # [ 42.131440] R13: ffffa7f7412b<4>[ 51.625664] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 42.13972<4>[ 51.684624] CPU: 1 PID: 2298 Comm: cat Tainted: G D W 5.10.184-cip35 #1 5] FS: 00007fd21389a580(0000) GS:ffff98a2fad80000(0000) knlGS:0<4>[ 51.699784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000000 # [ 42.149050] CS: 0010 DS: 0000 ES: 0000 CR<4>[ 51.713100] RIP: 0010:refcount_warn_saturate+0x51/0x110 0: 0000000080050033 # [ 42.155753] CR2: 0000000000000000 CR3:<4>[ 51.725459] 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 35 ba 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 35 0000000106818004 CR4: 00000000003706e0 # ACCESS_NULL: saw 'cal<4>[ 51.752976] RSP: 0018:ffffa7f742c3fe48 EFLAGS: 00010286 l trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftes<4>[ 51.765319] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 ts: lkdtm: WRITE_RO.sh # Killed # [ 42.275351] lkdtm: Perfor<4>[ 51.779777] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 ming direct entry WRITE_RO # [ 42.281701] lkdtm: attempting b<4>[ 51.794256] RBP: ffffffffba3f91d5 R08: 0000000000000000 R09: 0000000000000000 ad rodata write at ffffffffb9f7ed10 # [ 42.295109] BUG: unabl<4>[ 51.808738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 e to handle page fault for address: ffffffffb9f7ed10 # [ 42.3<4>[ 51.823217] R13: ffffa7f742c3ff10 R14: ffffa7f742c3ff10 R15: ffff98a282ac9000 09279] #PF: supervisor write access in kernel mode # [ 42.315<4>[ 51.837698] FS: 00007f556cc5d580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 421] #PF: error_code(0x0003) - permissions violation # [ 42.3<4>[ 51.853247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 21945] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 80000000604000<4>[ 51.866174] CR2: 00007f556ca67000 CR3: 0000000102af4002 CR4: 00000000003706e0 e1 # [ 42.335929] Oops: 0003 [#14] SMP PTI # [ 42.340209]<4>[ 51.880656] Call Trace: CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.184<4>[ 51.889899] ? __warn+0x80/0x110 -cip35 #1 # [ 42.349147] Hardware name: Google Rammus/Rammus,<4>[ 51.900007] ? refcount_warn_saturate+0x51/0x110 BIOS 09/04/2020 # [ 42.356242] RIP: 0010:lkdtm_WRITE_RO+0x2<4>[ 51.911672] ? report_bug+0x9e/0xc0 e/0x3a # [ 42.361494] Code: 00 48 c7 c7 18 9f 3f ba 48 c7 c6 <4>[ 51.922077] ? handle_bug+0x41/0x90 10 ed f7 b9 e8 c4 d9 fb ff 48 8b 05 3c 16 97 00 ba 34 12 cd ab 4<4>[ 51.932476] ? exc_invalid_op+0x14/0x70 8 c7 c7 48 9f 3f ba 48 31 d0 <48> 89 05 26 16 97 00 e9 a2 d9 fb <4>[ 51.943268] ? asm_exc_invalid_op+0x12/0x20 ff 0f 1f 44 00 00 48 8b 05 35 0c # [ 42.388974] RSP: 0018:fff<4>[ 51.954452] ? refcount_warn_saturate+0x51/0x110 fa7f7424a7e60 EFLAGS: 00010202 # [ 42.395087] RAX: 0000000001<4>[ 51.966115] ? refcount_warn_saturate+0x51/0x110 98b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 42.403<4>[ 51.977783] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 345] RDX: 00000000abcd1234 RSI: ffff98a2fac9bf70 RDI: ffffffffba<4>[ 51.989741] direct_entry.cold+0x2c/0x38 3f9f48 # [ 42.411604] RBP: ffffffffba3f9135 R08: 000000000000<4>[ 52.000631] full_proxy_write+0x53/0x80 0000 R09: 0000000000000000 # [ 42.419862] R10: 00000000ffffe0<4>[ 52.011422] vfs_write+0xe7/0x3b0 00 R11: 3fffffffffffffff R12: 0000000000000009 # [ 42.428121]<4>[ 52.021633] ksys_write+0x68/0xf0 R13: ffffa7f7424a7f10 R14: ffffa7f7424a7f10 R15: ffff98a285da20<4>[ 52.031841] do_syscall_64+0x30/0x40 00 # [ 42.436396] FS: 00007f5165a2a580(0000) GS:ffff98a2fac8<4>[ 52.042337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000(0000) knlGS:0000000000000000 # [ 42.445724] CS: 0010 DS<4>[ 52.054486] RIP: 0033:0x7f556cb73473 : 0000 ES: 0000 CR0: 0000000080050033 # [ 42.452419] CR2: fff<4>[ 52.064987] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffffb9f7ed10 CR3: 0000000103e1e002 CR4: 00000000003706e0 # [ <4>[ 52.092483] RSP: 002b:00007ffce64a7338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 42.460678] Call Trace: # [ 42.463691] ? __die_body.cold+0x1<4>[ 52.107450] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f556cb73473 a/0x1f # [ 42.468360] ? no_context+0x177/0x380 # [ 42.478<4>[ 52.121933] RDX: 0000000000000017 RSI: 00007f556ca67000 RDI: 0000000000000001 948] ? exc_page_fault+0xd7/0x170 # [ 42.483616] ? asm_exc_p<4>[ 52.136416] RBP: 00007f556ca67000 R08: 00007f556ca66010 R09: 0000000000000000 age_fault+0x1e/0x30 # [ 42.494789] ? lkdtm_WRITE_RO+0x2e/0x3<4>[ 52.150900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 a # [ 42.505574] direct_entry.cold+0x2c/0x38 # [ 42.51024<4>[ 52.165382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] full_proxy_write+0x53/0x80 # [ 42.514815] vfs_write+0xe7<4>[ 52.179870] irq event stamp: 0 /0x3b0 # [ 42.525012] ksys_write+0x68/0xf0 # [ 42.529000]<4>[ 52.189783] hardirqs last enabled at (0): [<0000000000000000>] 0x0 do_syscall_64+0x30/0x40 # [ 42.533279] entry_SYSCALL_64_af<4>[ 52.203295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ter_hwframe+0x61/0xc6 # [ 42.545417] RIP: 0033:0x7f5165940473<4>[ 52.218943] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.549695] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 <4>[ 52.234591] softirqs last disabled at (0): [<0000000000000000>] 0x0 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<4>[ 52.248102] ---[ end trace 6fca391b55ed3d47 ]--- 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <6>[ 52.259768] lkdtm: Saturation detected: still saturated 48 83 ec 28 48 89 54 24 18 # [ 42.570963] RSP: 002b:00007fff9f3866e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.579709] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5165940473 # [ 42.587967] RDX: 0000000000000009 RSI: 00007f5165834000 RDI: 0000000000000001 # [ 42.596225] RBP: 00007f5165834000 R08: 00007f5165833010 R09: 0000000000000000 # [ 42.604484] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.612743] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.620996] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.679934] CR2: ffffffffb9f7ed10 # [ 42.683921] ---[ end trace 6fca391b55ed3d3a ]--- # [ 42.689367] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.694059] 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 f<6>[ 52.397335] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <6>[ 52.409764] lkdtm: attempting bad refcount_dec() from saturated 1f 44 00 00 83 05 b0 55 e9 02 # [ 42.721538] RSP: 0018:ffffa7<4>[ 52.422884] ------------[ cut here ]------------ <4>[ 52.434540] refcount_t: decrement hit 0; leaking memory. f7412b7e60 EFLAGS: 00010282 # [ 42.727653] RAX: ffffffffb8f79<4>[ 52.440799] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 5e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.735902<4>[ 52.456700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table ] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e<4>[ 52.515667] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.184-cip35 #1 890 # [ 42.744159] RBP: ffffffffba45d600 R08: 000000000000000<4>[ 52.530828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1 R09: 0000000000000001 # [ 42.752417] R10: 00000000ffffe000 <4>[ 52.544141] RIP: 0010:refcount_warn_saturate+0xfb/0x110 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.760675] R1<4>[ 52.556485] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba 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 3: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 <4>[ 52.584005] RSP: 0018:ffffa7f742c97e48 EFLAGS: 00010286 # [ 42.768933] FS: 00007f5165a2a580(0000) GS:ffff98a2fac8000<4>[ 52.596324] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0(0000) knlGS:0000000000000000 # [ 42.778258] CS: 0010 DS: 0<4>[ 52.610799] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 000 ES: 0000 CR0: 0000000080050033 # [ 42.784963] CR2: ffffff<4>[ 52.625278] RBP: ffffffffba3f91ec R08: 0000000000000000 R09: 0000000000000000 ffb9f7ed10 CR3: 0000000103e1e002 CR4: 00000000003706e0 # WRITE_<4>[ 52.639758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh <4>[ 52.654239] R13: ffffa7f742c97f10 R14: ffffa7f742c97f10 R15: ffff98a282aab000 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 42.9<4>[ 52.668718] FS: 00007fd7ba435580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 05124] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ <4>[ 52.684267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 42.918147] lkdtm: attempting bad ro_after_init write at fffffff<4>[ 52.697193] CR2: 00007fd7ba23f000 CR3: 0000000106956004 CR4: 00000000003706e0 fba47e330 # [ 42.926055] BUG: unable to handle page fault for<4>[ 52.711671] Call Trace: address: ffffffffba47e330 # [ 42.934036] #PF: supervisor wri<4>[ 52.720913] ? __warn+0x80/0x110 te access in kernel mode # [ 42.940162] #PF: error_code(0x000<4>[ 52.731019] ? refcount_warn_saturate+0xfb/0x110 3) - permissions violation # [ 42.952888] PGD 60c29067 P4D 60<4>[ 52.742684] ? report_bug+0x9e/0xc0 c29067 PUD 60c2a063 PMD 105486063 PTE 8000000060a7e061 # [ 42<4>[ 52.753087] ? handle_bug+0x41/0x90 .968144] Oops: 0003 [#15] SMP PTI # [ 42.972438] CPU: 3 PID: <4>[ 52.763488] ? exc_invalid_op+0x14/0x70 1896 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # <4>[ 52.774279] ? asm_exc_invalid_op+0x12/0x20 [ 42.981408] Hardware name: Google Rammus/Rammus, BIOS 09/04/<4>[ 52.785461] ? refcount_warn_saturate+0xfb/0x110 2020 # [ 42.988503] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/<4>[ 52.797124] ? refcount_warn_saturate+0xfb/0x110 0x5a # [ 42.994820] Code: 9f 3f ba e9 76 d9 fb ff 48 c7 c7 a0<4>[ 52.808787] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 9f 3f ba e8 6a d9 fb ff 48 8b 05 02 0c e7 00 ba 34 12 cd ab 48 <4>[ 52.820743] direct_entry.cold+0x2c/0x38 c7 c7 48 9f 3f ba 48 31 d0 <48> 89 05 ec 0b e7 00 e9 48 d9 fb ff<4>[ 52.831633] full_proxy_write+0x53/0x80 0f 1f 44 00 00 41 54 48 c7 c7 # [ 43.016088] RSP: 0018:ffffa<4>[ 52.842423] vfs_write+0xe7/0x3b0 7f74251fe60 EFLAGS: 00010202 # [ 43.022202] RAX: 00000000fe67<4>[ 52.852629] ksys_write+0x68/0xf0 479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 43.03046<4>[ 52.862839] do_syscall_64+0x30/0x40 2] RDX: 00000000abcd1234 RSI: ffff98a2fad9bf70 RDI: ffffffffba3f<4>[ 52.873338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 9f48 # [ 43.038720] RBP: ffffffffba3f913e R08: 00000000000000<4>[ 52.885489] RIP: 0033:0x7fd7ba34b473 00 R09: 0000000000000000 # [ 43.046978] R10: 00000000ffffe000<4>[ 52.895986] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R11: 3fffffffffffffff R12: 0000000000000014 # [ 43.055234] R<4>[ 52.923482] RSP: 002b:00007fff34f078d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 13: ffffa7f74251ff10 R14: ffffa7f74251ff10 R15: ffff98a286bf4000<4>[ 52.938458] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7ba34b473 # [ 43.063492] FS: 00007ff4d61a8580(0000) GS:ffff98a2fad800<4>[ 52.952938] RDX: 0000000000000017 RSI: 00007fd7ba23f000 RDI: 0000000000000001 00(0000) knlGS:0000000000000000 # [ 43.072817] CS: 0010 DS: <4>[ 52.967421] RBP: 00007fd7ba23f000 R08: 00007fd7ba23e010 R09: 0000000000000000 0000 ES: 0000 CR0: 0000000080050033 # [ 43.079523] CR2: fffff<4>[ 52.981904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fffba47e330 CR3: 0000000105bf8003 CR4: 00000000003706e0 # [ 4<4>[ 52.996385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.087780] Call Trace: # [ 43.090798] ? __die_body.cold+0x1a/<4>[ 53.010871] irq event stamp: 0 0x1f # [ 43.095466] ? no_context+0x177/0x380 # [ 43.09984<4>[ 53.020784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4] ? exc_page_fault+0xd7/0x170 # [ 43.104511] ? asm_exc_pag<4>[ 53.034295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 e_fault+0x1e/0x30 # [ 43.109471] ? lkdtm_WRITE_RO_AFTER_INIT<4>[ 53.049944] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 +0x4e/0x5a # [ 43.115109] direct_entry.cold+0x2c/0x38 # [ <4>[ 53.065591] softirqs last disabled at (0): [<0000000000000000>] 0x0 43.119769] full_proxy_write+0x53/0x80 # [ 43.124339] vfs_w<4>[ 53.079101] ---[ end trace 6fca391b55ed3d48 ]--- rite+0xe7/0x3b0 # [ 43.128328] ksys_write+0x68/0xf0 # [ 4<6>[ 53.090769] lkdtm: Saturation detected: still saturated 3.132316] do_syscall_64+0x30/0x40 # [ 43.136595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.142524] RIP: 0033:0x7ff4d60be473 # [ 43.146803] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.168070] RSP: 002b:00007ffc3ece3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.176816] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff4d60be473 # [ 43.185066] RDX: 0000000000000014 RSI: 00007ff4d5fb2000 RDI: 0000000000000001 # [ 43.193323] RBP: 00007ff4d5fb2000 R08: 00007ff4d5fb1010 R09: 0000000000000000 # [ 43.201583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.209841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.218102] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <6>[ 53.238845] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 53.246957] lkdtm: attempting bad refcount_dec() from saturated <4>[ 53.253871] ------------[ cut here ]------------ <4>[ 53.259325] refcount_t: saturated; leaking memory. <4>[ 53.264983] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.277076] CR2: ffffffffba47e330 # [ 43.281065] ---[ en<4>[ 53.274710] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 53.333700] CPU: 2 PID: 2368 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 53.342644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d trace 6fca391b55ed3d3b ]--- # [ 43.286509] RIP: 0010:lkdtm_<4>[ 53.349746] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 53.362087] 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 35 ba 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 35 <4>[ 53.383369] RSP: 0018:ffffa7f742d07e48 EFLAGS: 00010286 BUG+0x5/0x10 # [ 43.291175] Code: 89 ff e8 ce e6 79 ff 48 c7 <4>[ 53.389524] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 53.404017] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c<4>[ 53.412293] RBP: ffffffffba3f9203 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.426760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 53.435022] R13: ffffa7f742d07f10 R14: ffffa7f742d07f10 R15: ffff98a285a7a000 <4>[ 53.443285] FS: 00007f3c0a32a580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 <4>[ 53.452616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.459325] CR2: 00007f3c0a134000 CR3: 0000000106956005 CR4: 00000000003706e0 <4>[ 53.467589] Call Trace: <4>[ 53.470613] ? __warn+0x80/0x110 <4>[ 53.474536] ? refcount_warn_saturate+0x51/0x110 <4>[ 53.479985] ? report_bug+0x9e/0xc0 <4>[ 53.484172] ? handle_bug+0x41/0x90 <4>[ 53.488357] ? exc_invalid_op+0x14/0x70 <4>[ 53.492932] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.497896] ? refcount_warn_saturate+0x51/0x110 <4>[ 53.503368] ? refcount_warn_saturate+0x51/0x110 <4>[ 53.508814] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 53.514554] direct_entry.cold+0x2c/0x38 <4>[ 53.519226] full_proxy_write+0x53/0x80 <4>[ 53.523825] vfs_write+0xe7/0x3b0 <4>[ 53.527841] ksys_write+0x68/0xf0 <4>[ 53.531834] do_syscall_64+0x30/0x40 <4>[ 53.536117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.542051] RIP: 0033:0x7f3c0a240473 <4>[ 53.546333] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.567610] RSP: 002b:00007fff541b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.576360] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3c0a240473 <4>[ 53.584623] RDX: 0000000000000017 RSI: 00007f3c0a134000 RDI: 0000000000000001 <4>[ 53.592886] RBP: 00007f3c0a134000 R08: 00007f3c0a133010 R09: 0000000000000000 <4>[ 53.601149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.609404] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 <4>[ 53.617674] irq event stamp: 0 00 00 0f 1f 44 00 00 83 05 b0 55 e9 02 # [ 43.312446] RSP: 00<4>[ 53.627584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.641090] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.650520] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.659948] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.667242] ---[ end trace 6fca391b55ed3d49 ]--- <6>[ 53.672689] lkdtm: Saturation detected: still saturated 18:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 43.318569] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.326827] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 43.335084] RBP: ffffffffba45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 43.343342] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.351600] R13: ffffa7f7412b7f10 R14: ffffa7f7412b7f10 R15: ffff98a283323000 # [ 43.359858] FS: 00007ff4d61a8580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 43.369182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.375887] CR2: ffffffffba47e330 CR3: 0000000105bf8003 CR4: 00000000003706e0 # [ 43.384147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.394348] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat # [ 43.403091] INFO: lockdep is turned off. # [ 43.407757] irq event stamp: 0 # [ 43.411472] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.418762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.428186] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.437611] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.444893] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 43.453831] Hardware name: Google Rammus/Rammus, BIOS <6>[ 53.819403] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 53.830007] lkdtm: attempting bad refcount_inc_not_zero() from saturated 09/04/2020 # [ 43.460925] Call Trace: # [ 43.463941] dum<4>[ 53.837790] ------------[ cut here ]------------ p_stack+0x77/0x9b # [ 43.467921] ___might_sleep.cold+0xa6/0x<4>[ 53.849451] refcount_t: saturated; leaking memory. b6 # [ 43.472784] exit_signals+0x1c/0x300 # [ 43.477062] <4>[ 53.861336] WARNING: CPU: 1 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 do_exit+0xc2/0xab0 # [ 43.480857] ? ksys_write+0x68/0xf0 #<4>[ 53.877240] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table [ 43.485038] make_task_dead+0x2f/0x30 # [ 43.489413] rew<4>[ 53.936197] CPU: 1 PID: 2400 Comm: cat Tainted: G D W 5.10.184-cip35 #1 ind_stack_and_make_dead+0x17/0x20 # [ 43.494952] RIP: 0033:0x<4>[ 53.951361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7ff4d60be473 # [ 43.499230] Code: 8b 15 21 2a 0e 00 f7 d8 64 <4>[ 53.964673] RIP: 0010:refcount_warn_saturate+0x97/0x110 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0<4>[ 53.977015] 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 35 ba 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 35 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 <4>[ 54.004530] RSP: 0018:ffffa7f742d87e38 EFLAGS: 00010282 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.520498] RSP: 00<4>[ 54.016856] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 2b:00007ffc3ece3928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.031334] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 <4>[ 54.045814] RBP: ffffffffba3f8e30 R08: 0000000000000000 R09: 0000000000000000 # [ 43.529241] RAX: ffffffffffffffda RBX: 0000000000000014 RC<4>[ 54.054080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 X: 00007ff4d60be473 # [ 43.537500] RDX: 0000000000000014 RSI:<4>[ 54.068555] R13: ffffa7f742d87f10 R14: ffffa7f742d87f10 R15: ffff98a283bec000 00007ff4d5fb2000 RDI: 0000000000000001 # [ 43.545759] RBP: 0<4>[ 54.083032] FS: 00007f92fac85580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 0007ff4d5fb2000 R08: 00007ff4d5fb1010 R09: 0000000000000000 <4>[ 54.098578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.111212] CR2: 00007f92faa8f000 CR3: 0000000103f72003 CR4: 00000000003706e0 # [ 43.554016] R10: fffffffffffffbc5 R11: 0000000000000246 R12<4>[ 54.119479] Call Trace: : 0000000000000001 # [ 43.562274] R13: 0000000000000001 R14: <4>[ 54.128732] ? __warn+0x80/0x110 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: s<4>[ 54.138822] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.150486] ? report_bug+0x9e/0xc0 aw 'call trace:': ok<4>[ 54.154700] ? handle_bug+0x41/0x90 <4>[ 54.160821] ? exc_invalid_op+0x14/0x70 <4>[ 54.165590] ? asm_exc_invalid_op+0x12/0x20 ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkd<4>[ 54.170581] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.182236] ? refcount_warn_saturate+0x97/0x110 tm: WRITE_KERN.sh # Killed # [ 43.688884] lkdtm: Performing <4>[ 54.187712] __refcount_add_not_zero.constprop.0+0x2a/0x35 direct entry WRITE_KERN # [ 43.700835] lkdtm: attempting bad <4>[ 54.200343] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 54.213173] direct_entry.cold+0x2c/0x38 6896798 byte write at ffffffffb960d64e # [ 43.708674] BUG: un<4>[ 54.217870] full_proxy_write+0x53/0x80 <4>[ 54.228654] vfs_write+0xe7/0x3b0 <4>[ 54.232657] ksys_write+0x68/0xf0 <4>[ 54.236660] do_syscall_64+0x30/0x40 <4>[ 54.240953] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.246897] RIP: 0033:0x7f92fab9b473 <4>[ 54.251180] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.272456] RSP: 002b:00007ffe7a218928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 able to handle page fault for address: ffffffffb960d64e # [ 4<4>[ 54.281207] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92fab9b473 3.716656] #PF: supervisor write access in kernel mode # [ 43.<4>[ 54.295677] RDX: 0000000000000020 RSI: 00007f92faa8f000 RDI: 0000000000000001 <4>[ 54.310156] RBP: 00007f92faa8f000 R08: 00007f92faa8e010 R09: 0000000000000000 728995] #PF: error_code(0x0003) - permissions violation # [ 4<4>[ 54.318437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.332947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.735508] PGD 60c29067 P4D 60c29067 PUD 60c2a063 PMD 5fc000e1 <4>[ 54.341218] irq event stamp: 0 # [ 43.742510] Oops: 0003 [#16] SMP PTI <4>[ 54.351124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.362594] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.753001] CPU: 3 PID: 1931 Comm: cat Tainted: G D W <4>[ 54.372026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 5.10.184-cip35 #1 <4>[ 54.387667] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.397583] ---[ end trace 6fca391b55ed3d4a ]--- # [ 43.761945] Hardware name: Google Rammus/Rammus, BIOS 09/0<6>[ 54.403033] lkdtm: Saturation detected: still saturated 4/2020 # [ 43.775256] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.786916] Code: 53 48 c7 c3 4e d6 60 b9 49 89 dc 48 89 da 49 81 ec b0 99 f7 b8 4c 89 e6 e8 1d d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 b0 99 f7 b8 a4 48 c7 c7 48 9f 3f ba e8 02 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 43.808189] RSP: 0018:ffffa7f74267fe50 EFLAGS: 00010246 # [ 43.820523] RAX: 000000000000003c RBX: ffffffffb960d64e RCX: 0000000000693c9e # [ 43.828782] RDX: 0000000000000000 RSI: ffffffffb8f799b0 RDI: ffffffffb960d64e # [ 43.837039] RBP: ffffffffba3f9152 R08: 0000000000000000 R09: 0000000000000000 # [ 43.845297] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000693c9e # [ 43.853555] R13: ffffa7f74267ff10 R14: ffffa7f74267ff10 R15: ffff98a283273000 # [ 43.861812] FS: 00007f0fa8647580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 43.871138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.877842] CR2: ffffffffb960d64e CR3: 0000000102874006 CR4: 00000000003706e0 # [ 43.886101] Call Trace: # [ 43.889120] ? __die_body.cold+0x1a/0x1f # [ 43.893789] ? no_context+0x177/0x380 # [ 43.898167] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 43.903904] ? exc_page_fault+0xd7/0x170 # [ 43.908572] ? asm_exc_page_fault+0x1e/0x30 # [ 43.913531] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 43.919266] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 43.924418] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 43.930154] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 43.934920] direct_entry.col<6>[ 54.559530] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 54.572677] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 54.580459] ------------[ cut here ]------------ d+0x2c/0x38 # [ 43.939588] full_proxy_write+0x53/0x80 # [ <4>[ 54.585937] refcount_t: saturated; leaking memory. 43.944161] vfs_write+0xe7/0x3b0 # [ 43.948149] ksys_write+<4>[ 54.597806] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0x68/0xf0 # [ 43.952138] do_syscall_64+0x30/0x40 # [ 43.9<4>[ 54.613725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.672732] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.184-cip35 #1 56416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.96234<4>[ 54.681689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.694991] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 54.701120] 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 35 ba 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 35 6] RIP: 0033:0x7f0fa855d473 # [ 43.966624] Code: 8b 15 21 2a <4>[ 54.722404] RSP: 0018:ffffa7f742e07e38 EFLAGS: 00010282 <4>[ 54.734746] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 54.743012] RDX: ffff98a2fadac660 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 54.751275] RBP: ffffffffba3f8e50 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.759542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 54.767807] R13: ffffa7f742e07f10 R14: ffffa7f742e07f10 R15: ffff98a28698a000 <4>[ 54.776072] FS: 00007fe26e524580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 54.785406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.792118] CR2: 00007fe26e32e000 CR3: 0000000106b74006 CR4: 00000000003706e0 <4>[ 54.800402] Call Trace: <4>[ 54.803442] ? __warn+0x80/0x110 <4>[ 54.807386] ? refcount_warn_saturate+0x97/0x110 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0<4>[ 54.812848] ? report_bug+0x9e/0xc0 <4>[ 54.823241] ? handle_bug+0x41/0x90 <4>[ 54.827463] ? exc_invalid_op+0x14/0x70 <4>[ 54.832038] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.837007] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.842486] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.847936] __refcount_add_not_zero.constprop.0+0x2a/0x35 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 <4>[ 54.854403] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.<4>[ 54.867231] direct_entry.cold+0x2c/0x38 987892] RSP: 002b:00007fff324c0588 EFLAGS: 00000246 ORIG_RAX: 00<4>[ 54.878118] full_proxy_write+0x53/0x80 <4>[ 54.888908] vfs_write+0xe7/0x3b0 <4>[ 54.892922] ksys_write+0x68/0xf0 <4>[ 54.896913] do_syscall_64+0x30/0x40 <4>[ 54.901197] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.907131] RIP: 0033:0x7fe26e43a473 <4>[ 54.911415] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.932693] RSP: 002b:00007ffecd597768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.941458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe26e43a473 <4>[ 54.949721] RDX: 0000000000000020 RSI: 00007fe26e32e000 RDI: 0000000000000001 <4>[ 54.957985] RBP: 00007fe26e32e000 R08: 00007fe26e32d010 R09: 0000000000000000 <4>[ 54.966247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.974508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.982767] irq event stamp: 0 <4>[ 54.986490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.993783] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.003211] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.012639] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.019931] ---[ end trace 6fca391b55ed3d4b ]--- 00000000000001 # [ 43.996636] RAX: ffffffffffffffda RBX: 0000<6>[ 55.025400] lkdtm: Saturation detected: still saturated 00000000000b RCX: 00007f0fa855d473 # [ 44.004896] RDX: 000000000000000b RSI: 00007f0fa8451000 RDI: 0000000000000001 # [ 44.013154] RBP: 00007f0fa8451000 R08: 00007f0fa8450010 R09: 0000000000000000 # [ 44.021412] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.029669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.037930] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.096905] CR2: ffffffffb960d64e # [ 44.100885] ---[ end trace 6fca391b55ed3d3c ]--- # [ 44.106329] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.110986] 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 # [ 44.132253] RSP: 0018:ffffa7f7412b7e60 EFLAGS: 00010282 # [ 44.138368] RAX: ffffffffb8f795e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.146650] RDX: 0000000000000000 RSI: ffff98a2fac1bf70 RDI: ffffffffb9f7e890 # [ 44.154907] RBP: ffffffffba<6>[ 55.182939] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 45d600 R08: 0000000000000001 R09: 0000000000000001 # [ 44.163<6>[ 55.195066] lkdtm: attempting bad refcount_dec_and_test() from saturated 166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<4>[ 55.209090] ------------[ cut here ]------------ 000004 # [ 44.171445] R13: ffffa7f7412b7f10 R14: ffffa7f7412b<4>[ 55.220748] refcount_t: underflow; use-after-free. 7f10 R15: ffff98a283323000 # [ 44.179702] FS: 00007f0fa86475<4>[ 55.232598] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 80(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ <4>[ 55.248575] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 44.189029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #<4>[ 55.307480] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.184-cip35 #1 [ 44.195733] CR2: ffffffffb960d64e CR3: 0000000102874006 CR4:<4>[ 55.322772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 se<4>[ 55.335952] RIP: 0010:refcount_warn_saturate+0xba/0x110 lftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_<4>[ 55.348316] 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 35 ba 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 OVERFLOW.sh # [ 44.309007] lkdtm: Performing direct entry REF<4>[ 55.375793] RSP: 0018:ffffa7f742e8fe40 EFLAGS: 00010286 COUNT_INC_OVERFLOW # [ 44.316710] lkdtm: attempting good refc<4>[ 55.388155] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 ount_inc() without overflow # [ 44.323926] lkdtm: attempting <4>[ 55.402623] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 bad refcount_inc() overflow # [ 44.330260] ------------[ cut <4>[ 55.417110] RBP: ffffffffba3f8e70 R08: 0000000000000000 R09: 0000000000000000 here ]------------ # [ 44.335714] refcount_t: saturated; leak<4>[ 55.431578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ing memory. # [ 44.341389] WARNING: CPU: 3 PID: 1966 at lib/r<4>[ 55.446064] R13: ffffa7f742e8ff10 R14: ffffa7f742e8ff10 R15: ffff98a286aa8000 efcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.351115]<4>[ 55.460543] FS: 00007fcaaabe6580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sen<4>[ 55.476093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu<4>[ 55.489011] CR2: 00007fcaaa9f0000 CR3: 0000000102ab4005 CR4: 00000000003706f0 f industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cr<4>[ 55.503503] Call Trace: os_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd<4>[ 55.512736] ? __warn+0x80/0x110 _soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs vide<4>[ 55.522848] ? refcount_warn_saturate+0xba/0x110 obuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_therm<4>[ 55.534506] ? report_bug+0x9e/0xc0 al cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c<4>[ 55.544939] ? handle_bug+0x41/0x90 _hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore co<4>[ 55.555310] ? exc_invalid_op+0x14/0x70 reboot_table # [ 44.410052] CPU: 3 PID: 1966 Comm: cat Tainte<4>[ 55.566106] ? asm_exc_invalid_op+0x12/0x20 d: G D W 5.10.184-cip35 #1 # [ 44.419018] Hardwa<4>[ 55.577278] ? refcount_warn_saturate+0xba/0x110 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.426114<4>[ 55.588974] __refcount_sub_and_test.constprop.0+0x3c/0x50 ] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.432239] <4>[ 55.601577] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 81 f1 f6 0<4>[ 55.614464] direct_entry.cold+0x2c/0x38 1 00 75 ee 48 c7 c7 d8 40 35 ba c6 05 71 f1 f6 01 01 e8 c6 ed c0<4>[ 55.625312] full_proxy_write+0x53/0x80 00 <0f> 0b c3 cc cc cc cc 80 3d 5d f1 f6 01 00 75 cb 48 c7 c7 0<4>[ 55.636133] vfs_write+0xe7/0x3b0 0 41 35 # [ 44.453511] RSP: 0018:ffffa7f742727e48 EFLAGS: 000<4>[ 55.646308] ksys_write+0x68/0xf0 10286 # [ 44.459637] RAX: 0000000000000000 RBX: 0000000000000<4>[ 55.656531] do_syscall_64+0x30/0x40 02b RCX: 0000000000000000 # [ 44.467899] RDX: ffff98a2fadac66<4>[ 55.667015] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 44.482377] <4>[ 55.679200] RIP: 0033:0x7fcaaaafc473 RBP: ffffffffba3f915d R08: 0000000000000000 R09: 000000000000000<4>[ 55.689674] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 # [ 44.496851] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 55.717212] RSP: 002b:00007ffe90688348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R12: 0000000000000016 # [ 44.505114] R13: ffffa7f742727f10 R1<4>[ 55.732158] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcaaaafc473 4: ffffa7f742727f10 R15: ffff98a285984000 # [ 44.519587] FS: <4>[ 55.746649] RDX: 0000000000000020 RSI: 00007fcaaa9f0000 RDI: 0000000000000001 00007f4c926ca580(0000) GS:ffff98a2fad80000(0000) knlGS:00000000<4>[ 55.761102] RBP: 00007fcaaa9f0000 R08: 00007fcaaa9ef010 R09: 0000000000000000 00000000 # [ 44.528947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000<4>[ 55.775583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000080050033 # [ 44.535657] CR2: 00007f4c924d4000 CR3: 000000<4>[ 55.790057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0103f42001 CR4: 00000000003706e0 # [ 44.543917] Call Trace: <4>[ 55.804546] irq event stamp: 0 # [ 44.546960] ? __warn+0x80/0x110 # [ 44.550866] ? refco<4>[ 55.814468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 unt_warn_saturate+0x51/0x110 # [ 44.562532] ? report_bug+0x9<4>[ 55.827984] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 e/0xc0 # [ 44.566720] ? handle_bug+0x41/0x90 # [ 44.57711<4>[ 55.843612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 2] ? exc_invalid_op+0x14/0x70 # [ 44.581719] ? asm_exc_inva<4>[ 55.859258] softirqs last disabled at (0): [<0000000000000000>] 0x0 lid_op+0x12/0x20 # [ 44.586686] ? refcount_warn_saturate+0x5<4>[ 55.872808] ---[ end trace 6fca391b55ed3d4c ]--- 1/0x110 # [ 44.592162] ? refcount_warn_saturate+0x51/0x110 <6>[ 55.884486] lkdtm: Saturation detected: still saturated # [ 44.603817] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 44.609491] direct_entry.cold+0x2c/0x38 # [ 44.614167] full_proxy_write+0x53/0x80 # [ 44.618773] vfs_write+0xe7/0x3b0 # [ 44.622798] ksys_write+0x68/0xf0 # [ 44.626821] do_syscall_64+0x30/0x40 # [ 44.631136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.637100] RIP: 0033:0x7f4c925e0473 # [ 44.641402] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.662684] RSP: 002b:00007fff81bf6228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.677639] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4c925e0473 # [ 44.685901] RDX: 0000000000000016 RSI: 00007f4c924d4000 RDI: 0000000000000001 # [ 44.694165] RBP: 00007f4c924d4000 R08: 00007f4c924d3010 R09: 0000000000000000 # [ 44.702441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.710737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.719004] irq event stamp: 0 # [ 44.722730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.736231] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.751877] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.767520] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.781029] ---[ end trace 6fca391b55ed3d3d ]--- #<6>[ 56.043254] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 56.053967] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 56.061769] ------------[ cut here ]------------ <4>[ 56.067247] refcount_t: underflow; use-after-free. <4>[ 56.072925] WARNING: CPU: 3 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 44.786476] lkdtm: Overflow detected: saturated # REFCOUNT_<4>[ 56.082657] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 56.141618] CPU: 3 PID: 2502 Comm: cat Tainted: G D W 5.10.184-cip35 #1 INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REF<4>[ 56.150589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 COUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW<4>[ 56.163903] RIP: 0010:refcount_warn_saturate+0xba/0x110 .sh # [ 44.914061] lkdtm: Performing direct entry REFCOUNT_AD<4>[ 56.176246] 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 35 ba 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 <4>[ 56.203741] RSP: 0018:ffffa7f742ef7e40 EFLAGS: 00010286 <4>[ 56.209896] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 56.218160] RDX: ffff98a2fadac660 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 <4>[ 56.226437] RBP: ffffffffba3f8e90 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.234734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.243004] R13: ffffa7f742ef7f10 R14: ffffa7f742ef7f10 R15: ffff98a285bc1000 D_OVERFLOW # [ 44.923227] lkdtm: attempting good refcount_add<4>[ 56.251298] FS: 00007f0df5c21580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 <4>[ 56.266839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.273549] CR2: 00007f0df5a2b000 CR3: 0000000105b88005 CR4: 00000000003706e0 <4>[ 56.281814] Call Trace: <4>[ 56.284837] ? __warn+0x80/0x110 () without overflow # [ 44.936646] lkdtm: attempting bad refc<4>[ 56.288758] ? refcount_warn_saturate+0xba/0x110 <4>[ 56.300418] ? report_bug+0x9e/0xc0 <4>[ 56.304605] ? handle_bug+0x41/0x90 <4>[ 56.308790] ? exc_invalid_op+0x14/0x70 <4>[ 56.313366] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.318331] ? refcount_warn_saturate+0xba/0x110 <4>[ 56.323804] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 56.330223] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 56.336838] direct_entry.cold+0x2c/0x38 <4>[ 56.341510] full_proxy_write+0x53/0x80 <4>[ 56.346085] vfs_write+0xe7/0x3b0 <4>[ 56.350077] ksys_write+0x68/0xf0 <4>[ 56.354071] do_syscall_64+0x30/0x40 <4>[ 56.358353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.364287] RIP: 0033:0x7f0df5b37473 <4>[ 56.368570] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.389851] RSP: 002b:00007ffd9e34f3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.398603] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0df5b37473 <4>[ 56.406867] RDX: 0000000000000020 RSI: 00007f0df5a2b000 RDI: 0000000000000001 <4>[ 56.415132] RBP: 00007f0df5a2b000 R08: 00007f0df5a2a010 R09: 0000000000000000 <4>[ 56.423402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ount_add() overflow # [ 44.949175] ------------[ cut here ]--<4>[ 56.431667] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.446147] irq event stamp: 0 ---------- # [ 44.960850] refcount_t: saturated; leaking memo<4>[ 56.449873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ry. # [ 44.972726] WARNING: CPU: 0 PID: 1998 at lib/refcount.<4>[ 56.463382] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 c:22 refcount_warn_saturate+0x51/0x110 # [ 44.988640] Modules<4>[ 56.479026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.494673] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.501967] ---[ end trace 6fca391b55ed3d4d ]--- <6>[ 56.507415] lkdtm: Saturation detected: still saturated linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.047599] CPU: 0 PID: 1998 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 45.062744] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.076089] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.088468] 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 35 ba 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 35 # [ 45.115930] RSP: 0018:ffffa7f74278fe48 EFLAGS: 00010286 # [ 45.128304] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 45.142776] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 45.157242] RBP: ffffffffba3f9173 R08: 0000000000000000 R09: 0000000000000000 # [ 45.171712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 45.186167] R13: ffffa7f74278ff10 R14: ffffa7f74278ff10 R15: ffff98a28686b000 # [ 45.200687] FS: 00007f5ac3d14580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 45.216193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.229133] CR2: 00007f5ac3b1e000 CR3: 0000000103d0e002 CR4: 00000000003706f0 # [ 45.243596] Call Trace: # [ 45.252863] ? __warn+0x80/0x110 # [ 45.262949] ? refcount_warn_saturate+0x51/0x110 # [ 45.274625] ? report_bug+0x9e/0xc0 # [ 45.285007] ? handle_bug+0x41/0x90 # [ 45.295460] ? exc_invalid_op+0x14/0x70 # [ 45.306210] ? asm_exc_invalid_op+0x12/0x20 # [ 45.317454] ? refcount_warn_saturate+0x51/0x110 # [ 45.329078] ? refcount_warn_saturate+0x51/0x110 # [ 45<6>[ 56.716527] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 56.725931] lkdtm: attempting good copy_to_user of correct size <6>[ 56.732844] lkdtm: attempting bad copy_to_user of too large size .340740] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 45.352607] direct_entry.cold+0x2c/0x38 # [ 45.363508] full_proxy_write+0x53/0x80 # [ 45.374297] vfs_write+0xe7/0x3b0 # [ 45.384508] ksys_write+0x68/0xf0 # [ 45.394735] do_syscall_64+0x30/0x40 # [ 45.405231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.417392] RIP: 0033:0x7f5ac3c2a473 # [ 45.427881] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.455382] RSP: 002b:00007ffeeda23598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.470329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5ac3c2a473 # [ 45.484822] RDX: 0000000000000016 RSI: 00007f5ac3b1e000 RDI: 0000000000000001 # [ 45.499287] RBP: 00007f5ac3b1e000 R08: 00007f5ac3b1d010 R09: 0000000000000000 # [ 45.513807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.528244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.542771] irq event stamp: 0 # [ 45.552665] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.566174] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.581886] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.597491] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.611039] ---[ end trace 6fca391b55ed3d3e ]--- # [ 45.622688] 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 # [ 45.770438] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 45.779075] lkdtm: attempting bad ref<6>[ 56.919313] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM count_inc_not_zero() overflow # [ 45.792502] ------------[ cu<6>[ 56.927562] lkdtm: attempting good copy_from_user of correct size t here ]------------ # [ 45.804158] refcount_t: saturated; le<6>[ 56.940898] lkdtm: attempting bad copy_from_user of too large size aking memory. # [ 45.816037] WARNING: CPU: 0 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.831965] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.890941] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 45.906088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.919422] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.931747] 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 35 ba 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 35 # [ 45.959275] RSP: 0018:ffffa7f74281fe38 EFLAGS: 00010282 # [ 45.971581] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.986060] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 46.000578] RBP: ffffffffba3f8db0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.015041] R10: 00000000ffffe000 R11: 3ffffffffffffff<6>[ 57.093860] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO f R12: 000000000000001f # [ 46.029556] R13: ffffa7f74281ff10 <6>[ 57.104777] lkdtm: attempting good copy_to_user inside whitelist R14: ffffa7f74281ff10 R15: ffff98a285dc9000 # [ 46.044022] FS<6>[ 57.118017] lkdtm: attempting bad copy_to_user outside whitelist : 00007f40d3a7e580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 46.059600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.072560] CR2: 00007f40d3888000 CR3: 0000000106b70001 CR4: 00000000003706f0 # [ 46.086999] Call Trace: # [ 46.096274] ? __warn+0x80/0x110 # [ 46.106394] ? refcount_warn_saturate+0x97/0x110 # [ 46.118048] ? report_bug+0x9e/0xc0 # [ 46.128444] ? handle_bug+0x41/0x90 # [ 46.138838] ? exc_invalid_op+0x14/0x70 # [ 46.149691] ? asm_exc_invalid_op+0x12/0x20 # [ 46.160890] ? refcount_warn_saturate+0x97/0x110 # [ 46.172577] ? refcount_warn_saturate+0x97/0x110 # [ 46.184227] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.196897] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.209625] direct_entry.cold+0x2c/0x38 # [ 46.220562] full_proxy_write+0x53/0x80 # [ 46.231351] vfs_write+0xe7/0x3b0 # [ 46.241618] ksys_write+0x68/0xf0 # [ 46.251842] do_syscall_64+0x30/0x40 # [ 46.262335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.274565] RIP: 0033:0x7f40d3994473 # [ 46.285050] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.312558] RSP: 002b:00007fff612ce968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.327549] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4<6>[ 57.269503] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 57.281942] lkdtm: attempting good copy_from_user inside whitelist <6>[ 57.289169] lkdtm: attempting bad copy_from_user outside whitelist 0d3994473 # [ 46.342006] RDX: 000000000000001f RSI: 00007f40d3888000 RDI: 0000000000000001 # [ 46.356490] RBP: 00007f40d3888000 R08: 00007f40d3887010 R09: 0000000000000000 # [ 46.370951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.379237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.393724] irq event stamp: 0 # [ 46.403597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.417107] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.432789] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.448422] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.461996] ---[ end trace 6fca391b55ed3d3f ]--- # [ 46.473678] 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 # [ 46.592582] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 46.605016] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 46.618429] ------------[ cut here ]------------ # [ 46.630106] refcount_t: saturated; leaking memory. # [ 46.641971] WARNING: CPU: 0 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.657861] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_cor<6>[ 57.436830] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 57.446683] lkdtm: good_stack: ffffa7f7432b7e20-ffffa7f7432b7e40 <6>[ 57.453710] lkdtm: bad_stack : ffffa7f7432b7da8-ffffa7f7432b7dc8 <6>[ 57.460740] lkdtm: attempting good copy_to_user of local stack <6>[ 57.467567] lkdtm: attempting bad copy_to_user of distant stack e industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.716876] CPU: 0 PID: 2062 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 46.732005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.745330] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.757717] 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 35 ba 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 35 # [ 46.785205] RSP: 0018:ffffa7f7428afe38 EFLAGS: 00010282 # [ 46.797582] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 46.812112] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 46.826572] RBP: ffffffffba3f8dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.841029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.855519] R13: ffffa7f7428aff10 R14: ffffa7f7428aff10 R15: ffff98a285975000 # [ 46.869985] FS: 00007f8d39c9a580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 46.885621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.898509] CR2: 00007f8d39aa4000 CR3: 0000000102ab6003 CR4: 00000000<6>[ 57.629557] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 003706f0 # [ 46.913015] Call Trace: # [ 46.922249] ? __wa<6>[ 57.637435] lkdtm: good_stack: ffffa7f74335fe20-ffffa7f74335fe40 rn+0x80/0x110 # [ 46.932410] ? refcount_warn_saturate+0x97/0<6>[ 57.650655] lkdtm: bad_stack : ffffa7f74335fda8-ffffa7f74335fdc8 x110 # [ 46.944037] ? report_bug+0x9e/0xc0 # [ 46.954476]<6>[ 57.663873] lkdtm: attempting good copy_from_user of local stack ? handle_bug+0x41/0x90 # [ 46.964836] ? exc_invalid_op+0x1<6>[ 57.677086] lkdtm: attempting bad copy_from_user of distant stack 4/0x70 # [ 46.975634] ? asm_exc_invalid_op+0x12/0x20 # [ 46.986806] ? refcount_warn_saturate+0x97/0x110 # [ 46.998473] ? refcount_warn_saturate+0x97/0x110 # [ 47.010128] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.022765] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.035523] direct_entry.cold+0x2c/0x38 # [ 47.046416] full_proxy_write+0x53/0x80 # [ 47.057193] vfs_write+0xe7/0x3b0 # [ 47.067402] ksys_write+0x68/0xf0 # [ 47.077590] do_syscall_64+0x30/0x40 # [ 47.088106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.100260] RIP: 0033:0x7f8d39bb0473 # [ 47.110808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.138281] RSP: 002b:00007ffc0da7f148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.153280] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8d39bb0473 # [ 47.167743] RDX: 000000000000001f RSI: 00007f8d39aa4000 RDI: 0000000000000001 # [ 47.182268] RBP: 00007f8d39aa4000 R08: 00007f8d39aa3010 R09: 0000000000000000 # [ 47.196722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.211243] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.225711] irq event stamp: 0 # [ 47.235649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.249153] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.264827] softirqs last enabled at (0): <6>[ 57.844591] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [] copy_process+0x664/0x1c60 # [ 47.280494]<6>[ 57.852920] lkdtm: good_stack: ffffa7f7433d7e20-ffffa7f7433d7e40 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <6>[ 57.866155] lkdtm: bad_stack : ffffa7f7433d7ff8-ffffa7f7433d8018 47.294027] ---[ end trace 6fca391b55ed3d40 ]--- # [ 47.305688<6>[ 57.879383] lkdtm: attempting good copy_to_user of local stack ] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_O<6>[ 57.892455] lkdtm: attempting bad copy_to_user of distant stack VERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT<4>[ 57.905566] lkdtm: copy_to_user failed, but lacked Oops _ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 47.437029] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 47.448159] lkdtm: attempting good refcount_dec() # [ 47.459926] lkdtm: attempting bad refcount_dec() to zero # [ 47.472352] ------------[ cut here ]------------ # [ 47.484012] refcount_t: decrement hit 0; leaking memory. # [ 47.496485] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.512402] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.571350] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 47.586505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.599822] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.612165] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba 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 # [ 47.639657] RSP: 0018:ffffa7f74290fe48 EFLAGS: 00010286 # [ 47.651998] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 47.660290] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 47.674744] RBP: ffffffffba3f9189 R0<6>[ 58.079770] lkdtm: Performing direct entry USERCOPY_KERNEL 8: 0000000000000000 R09: 0000000000000000 # [ 47.689223] R10:<6>[ 58.092195] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb9f7ed30 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 #<6>[ 58.107373] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb86e1430 [ 47.697489] R13: ffffa7f74290ff10 R14: ffffa7f74290ff10 R15:<3>[ 58.122196] lkdtm: FAIL: survived bad copy_to_user() ffff98a286aaa000 # [ 47.711967] FS: 00007f42c8f5a580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 47.727516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.740449] CR2: 00007f42c8d64000 CR3: 0000000105a92005 CR4: 00000000003706e0 # [ 47.754922] Call Trace: # [ 47.764164] ? __warn+0x80/0x110 # [ 47.774271] ? refcount_warn_saturate+0xfb/0x110 # [ 47.785937] ? report_bug+0x9e/0xc0 # [ 47.796340] ? handle_bug+0x41/0x90 # [ 47.806743] ? exc_invalid_op+0x14/0x70 # [ 47.817536] ? asm_exc_invalid_op+0x12/0x20 # [ 47.828719] ? refcount_warn_saturate+0xfb/0x110 # [ 47.840382] ? refcount_warn_saturate+0xfb/0x110 # [ 47.852049] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 47.863521] direct_entry.cold+0x2c/0x38 # [ 47.874411] full_proxy_write+0x53/0x80 # [ 47.885202] vfs_write+0xe7/0x3b0 # [ 47.895413] ksys_write+0x68/0xf0 # [ 47.905624] do_syscall_64+0x30/0x40 # [ 47.916124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.928272] RIP: 0033:0x7f42c8e70473 # [ 47.938772] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.966266] RSP: 002b:00007ffc3c0ced88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.981232] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f42c8e70473 # [ 47.995714] RDX: 0000000<6>[ 58.272664] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 58.283843] lkdtm: checking unused part of the thread stack (15928 bytes)... 000000012 RSI: 00007f42c8d64000 RDI: 0000000000000001 # [ 48.<3>[ 58.292034] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 58.306320] lkdtm: FAIL: the thread stack is NOT properly erased 010195] RBP: 00007f42c8d64000 R08: 00007f42c8d63010 R09: 0000000<4>[ 58.313333] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.184-cip35 #1 <4>[ 58.328479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.335576] Call Trace: <4>[ 58.338600] dump_stack+0x77/0x9b <4>[ 58.342591] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 58.348037] direct_entry.cold+0x2c/0x38 <4>[ 58.352698] full_proxy_write+0x53/0x80 <4>[ 58.357270] vfs_write+0xe7/0x3b0 <4>[ 58.361250] ksys_write+0x68/0xf0 <4>[ 58.365241] do_syscall_64+0x30/0x40 <4>[ 58.369521] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.375452] RIP: 0033:0x7f9f1381c473 <4>[ 58.379731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.401009] RSP: 002b:00007ffc011dea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.409749] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f1381c473 <4>[ 58.418010] RDX: 0000000000000012 RSI: 00007f9f13710000 RDI: 0000000000000001 <4>[ 58.426271] RBP: 00007f9f13710000 R08: 00007f9f1370f010 R09: 0000000000000000 <4>[ 58.434532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.442794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000 # [ 48.018461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.032934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.047423] irq event stamp: 0 # [ 48.057337] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.070849] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.086496] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.102145] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.115655] ---[ end trace 6fca391b55ed3d41 ]--- # [ 48.121106] 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 # [ 48.266455] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 48.276017] lkdtm: attempting bad refcount_dec() below zero # [ 48.288750] ------------[ cut here ]------------ # [ 48.300407] refcount_t: decrement hit 0; leaking memory. # [ 48.312875] WARNING: CPU: 1 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.328782] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.387743] CPU: 1 PID: 2129 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 48.396688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.410000] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.422345] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba c6 05 c4 f0 f6 01<6>[ 58.645001] lkdtm: Performing direct entry CFI_FORWARD_PROTO 01 e8 1c ed c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 0<6>[ 58.656715] lkdtm: Calling matched prototype ... 0 00 00 00 0f 1f 00 8b # [ 48.443628] RSP: 0018:ffffa7f7429c7<6>[ 58.668400] lkdtm: Calling mismatched prototype ... e48 EFLAGS: 00010286 # [ 48.455965] RAX: 0000000000000000 RBX<6>[ 58.680353] lkdtm: Fail: survived mismatched prototype function call! : 0000000000000030 RCX: 0000000000000000 # [ 48.464230] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 48.478706] RBP: ffffffffba3f919b R08: 0000000000000000 R09: 0000000000000000 # [ 48.486971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.501450] R13: ffffa7f7429c7f10 R14: ffffa7f7429c7f10 R15: ffff98a283c55000 # [ 48.509716] FS: 00007f20e81c0580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 48.525260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.531970] CR2: 00007f20e7fca000 CR3: 0000000106aa8006 CR4: 00000000003706e0 # [ 48.546462] Call Trace: # [ 48.549487] ? __warn+0x80/0x110 # [ 48.559586] ? refcount_warn_saturate+0xfb/0x110 # [ 48.571248] ? report_bug+0x9e/0xc0 # [ 48.581646] ? handle_bug+0x41/0x90 # [ 48.592045] ? exc_invalid_op+0x14/0x70 # [ 48.596646] ? asm_exc_invalid_op+0x12/0x20 # [ 48.607819] ? refcount_warn_saturate+0xfb/0x110 # [ 48.619508] ? refcount_warn_saturate+0xfb/0x110 # [ 48.631144] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 48.643001] direct_entry.cold+0x2c/0x38 # [ 48.653889] full_proxy_write+0x53/0x80 # [ 48.664680] vfs_write+0xe7/0x3b0 # [ 48.674887] ksys_write+0x68/0xf0 # [ 48.678881] do_syscall_64+0x30/0x40 # [ 48.689391] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.695321] RIP: 0033:0x7f20e80d6473 # [ 48.705813] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.727095] RSP: 002b:00007fffbdb92d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.742056] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f20e80d6473 # [ 48.750320] RDX: 0000000000000016 RSI: 00007f20e7fca000 RDI: 0000000000000001 # [ 48.758585] RBP: 00007f20e7fca000 R08: 00007f20e7fc9010 R09: 0000000000000000 # [ 48.766851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.781324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.789592] irq event stamp: 0 # [ 48.799505] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.806801] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.822448] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.831875] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.845376] ---[ end trace 6fca391b55ed3d42 ]--- # [ 48.857039] 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 # [ 48.982125] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 48.994588] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 49.002008] ------------[ cut here ]------------ # [ 49.007477] refcount_t: underflow; use-after-free. # [ 49.013152] WARNING: CPU: 2 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.022883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.075670] CPU: 2 PID: 2164 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 49.090824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.097953] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.104083] 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 35 ba 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 # [ 49.125361] RSP: 0018:ffffa7f742a4fe40 EFLAGS: 00010286 # [ 49.131518] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 49.145996] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 # [ 49.154290] RBP: ffffffffba3f8df0 R08: 0000000000000000 R09: 0000000000000000 # [ 49.162551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.170812] R13: ffffa7f742a4ff10 R14: ffffa7f742a4ff10 R15: ffff98a285a92000 # [ 49.179075] FS: 00007fedfba5f580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 49.188413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.201332] CR2: 00007fedfb869000 CR3: 00000001069e0003 CR4: 00000000003706e0 # [ 49.209595] Call Trace: # [ 49.212617] ? __warn+0x80/0x110 # [ 49.216538] ? refcount_warn_saturate+0xba/0x110 # [ 49.228191] ? report_bug+0x9e/0xc0 # [ 49.232396] ? handle_bug+0x41/0x90 # [ 49.236580] ? exc_invalid_op+0x14/0x70 # [ 49.241145] ? asm_exc_invalid_op+0x12/0x20 # [ 49.246108] ? refcount_warn_saturate+0xba/0x110 # [ 49.251578] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.257996] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 49.264513] direct_entry.cold+0x2c/0x38 # [ 49.269185] full_proxy_write+0x53/0x80 # [ 49.273784] vfs_write+0xe7/0x3b0 # [ 49.277773] ksys_write+0x68/0xf0 # [ 49.281764] do_syscall_64+0x30/0x40 # [ 49.286046] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.291979] RIP: 0033:0x7fedfb975473 # [ 49.296260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.317533] RSP: 002b:00007ffcf5827538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.326284] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fedfb975473 # [ 49.334546] RDX: 000000000000001f RSI: 00007fedfb869000 RDI: 0000000000000001 # [ 49.342800] RBP: 00007fedfb869000 R08: 00007fedfb868010 R09: 0000000000000000 # [ 49.351064] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.359328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.367594] irq event stamp: 0 # [ 49.371317] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.378607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.388034] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.397460] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.404754] ---[ end trace 6fca391b55ed3d43 ]--- # [ 49.416415] 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 # [ 49.554058] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 49.566442] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 49.573841] ------------[ cut here ]------------ # [ 49.579294] refcount_t: underflow; use-after-free. # [ 49.584963] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.594690] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.653629] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 49.662595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.669695] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.675824] 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 35 ba 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 # [ 49.697097] RSP: 0018:ffffa7f742ab7e40 EFLAGS: 00010286 # [ 49.703227] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 49.717705] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 # [ 49.726002] RBP: ffffffffba3f8e10 R08: 0000000000000000 R09: 0000000000000000 # [ 49.734288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.742552] R13: ffffa7f742ab7f10 R14: ffffa7f742ab7f10 R15: ffff98a282ab4000 # [ 49.750838] FS: 00007f4029d1f580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 49.760182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.773095] CR2: 00007f4029b29000 CR3: 0000000106862006 CR4: 00000000003706e0 # [ 49.781358] Call Trace: # [ 49.784408] ? __warn+0x80/0x110 # [ 49.788308] ? refcount_warn_saturate+0xba/0x110 # [ 49.799965] ? report_bug+0x9e/0xc0 # [ 49.804151] ? handle_bug+0x41/0x90 # [ 49.808359] ? exc_invalid_op+0x14/0x70 # [ 49.812933] ? asm_exc_invalid_op+0x12/0x20 # [ 49.817900] ? refcount_warn_saturate+0xba/0x110 # [ 49.823376] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.836003] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 49.842545] direct_entry.cold+0x2c/0x38 # [ 49.847218] full_proxy_write+0x53/0x80 # [ 49.851820] vfs_write+0xe7/0x3b0 # [ 49.862031] ksys_write+0x68/0xf0 # [ 49.866048] do_syscall_64+0x30/0x40 # [ 49.870354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.876288] RIP: 0033:0x7f4029c35473 # [ 49.880571] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.901848] RSP: 002b:00007fff1b8be178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.910597] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4029c35473 # [ 49.918860] RDX: 000000000000001f RSI: 00007f4029b29000 RDI: 0000000000000001 # [ 49.927123] RBP: 00007f4029b29000 R08: 00007f4029b28010 R09: 0000000000000000 # [ 49.935401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.943655] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.951923] irq event stamp: 0 # [ 49.955652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.962944] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.972375] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.981806] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.995314] ---[ end trace 6fca391b55ed3d44 ]--- # [ 50.000762] 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 # [ 50.121188] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 50.130853] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 50.144460] lkdtm: Good: zero detected # [ 50.155149] lkdtm: Correctly stayed at zero # [ 50.166324] lkdtm: attempting bad refcount_inc() from zero # [ 50.178962] ------------[ cut here ]------------ # [ 50.190629] refcount_t: addition on 0; use-after-free. # [ 50.202907] WARNING: CPU: 1 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 50.218815] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.277778] CPU: 1 PID: 2231 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 50.292939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.306257] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.318600] 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 35 ba 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 35 # [ 50.346122] RSP: 0018:ffffa7f742b57e48 EFLAGS: 00010286 # [ 50.358460] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 50.372933] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 50.387414] RBP: ffffffffba3f91b1 R08: 0000000000000000 R09: 0000000000000000 # [ 50.401895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.416402] R13: ffffa7f742b57f10 R14: ffffa7f742b57f10 R15: ffff98a283f73000 # [ 50.430880] FS: 00007fc8574a6580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 50.446442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.459401] CR2: 00007fc8572b0000 CR3: 0000000105c0e005 CR4: 00000000003706e0 # [ 50.473881] Call Trace: # [ 50.483124] ? __warn+0x80/0x110 # [ 50.493230] ? refcount_warn_saturate+0x74/0x110 # [ 50.504894] ? report_bug+0x9e/0xc0 # [ 50.515296] ? handle_bug+0x41/0x90 # [ 50.525697] ? exc_invalid_op+0x14/0x70 # [ 50.536488] ? asm_exc_invalid_op+0x12/0x20 # [ 50.547671] ? refcount_warn_saturate+0x74/0x110 # [ 50.559334] ? refcount_warn_saturate+0x74/0x110 # [ 50.570996] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 50.582466] direct_entry.cold+0x2c/0x38 # [ 50.593353] full_proxy_write+0x53/0x80 # [ 50.604144] vfs_write+0xe7/0x3b0 # [ 50.614352] ksys_write+0x68/0xf0 # [ 50.624560] do_syscall_64+0x30/0x40 # [ 50.635056] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.647206] RIP: 0033:0x7fc8573bc473 # [ 50.657705] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.685201] RSP: 002b:00007fffe0594908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.700166] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc8573bc473 # [ 50.714647] RDX: 0000000000000012 RSI: 00007fc8572b0000 RDI: 0000000000000001 # [ 50.729127] RBP: 00007fc8572b0000 R08: 00007fc8572af010 R09: 0000000000000000 # [ 50.743608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.758088] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.772571] irq event stamp: 0 # [ 50.782483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.795996] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.811643] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.827288] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.840795] ---[ end trace 6fca391b55ed3d45 ]--- # [ 50.852456] 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 # [ 50.977105] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 50.988382] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 50.995791] lkdtm: Good: zero detected # [ 51.000285] lkdtm: Correctly stayed at zero # [ 51.005259] lkdtm: attempting bad refcount_add() from zero # [ 51.011685] ------------[ cut here ]------------ # [ 51.017133] refcount_t: addition on 0; use-after-free. # [ 51.023191] WARNING: CPU: 2 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.032920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.091874] CPU: 2 PID: 2263 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 51.100841] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.107945] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.120287] 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 35 ba 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 35 # [ 51.141597] RSP: 0018:ffffa7f742bc7e48 EFLAGS: 00010286 # [ 51.147726] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 51.155989] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 # [ 51.164275] RBP: ffffffffba3f91c3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.172552] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.187024] R13: ffffa7f742bc7f10 R14: ffffa7f742bc7f10 R15: ffff98a282abe000 # [ 51.195286] FS: 00007f76d3ed1580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 51.204618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.211328] CR2: 00007f76d3cdb000 CR3: 00000001030f4006 CR4: 00000000003706e0 # [ 51.219591] Call Trace: # [ 51.222614] ? __warn+0x80/0x110 # [ 51.226538] ? refcount_warn_saturate+0x74/0x110 # [ 51.231988] ? report_bug+0x9e/0xc0 # [ 51.236174] ? handle_bug+0x41/0x90 # [ 51.240402] ? exc_invalid_op+0x14/0x70 # [ 51.244979] ? asm_exc_invalid_op+0x12/0x20 # [ 51.256151] ? refcount_warn_saturate+0x74/0x110 # [ 51.261620] ? refcount_warn_saturate+0x74/0x110 # [ 51.267069] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 51.272322] direct_entry.cold+0x2c/0x38 # [ 51.276994] full_proxy_write+0x53/0x80 # [ 51.281594] vfs_write+0xe7/0x3b0 # [ 51.285609] ksys_write+0x68/0xf0 # [ 51.289601] do_syscall_64+0x30/0x40 # [ 51.293883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.299817] RIP: 0033:0x7f76d3de7473 # [ 51.304099] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.325393] RSP: 002b:00007ffff9f27928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.334150] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f76d3de7473 # [ 51.348624] RDX: 0000000000000012 RSI: 00007f76d3cdb000 RDI: 0000000000000001 # [ 51.356888] RBP: 00007f76d3cdb000 R08: 00007f76d3cda010 R09: 0000000000000000 # [ 51.365150] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.373413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.381680] irq event stamp: 0 # [ 51.391590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.405098] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.414527] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.423955] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.431246] ---[ end trace 6fca391b55ed3d46 ]--- # [ 51.436691] 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 # [ 51.561972] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 51.573087] lkdtm: attempting bad refcount_inc() from saturated # [ 51.586209] ------------[ cut here ]------------ # [ 51.597869] refcount_t: saturated; leaking memory. # [ 51.609755] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.625664] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.684624] CPU: 1 PID: 2298 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 51.699784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.713100] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.725459] 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 35 ba 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 35 # [ 51.752976] RSP: 0018:ffffa7f742c3fe48 EFLAGS: 00010286 # [ 51.765319] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 51.779777] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 51.794256] RBP: ffffffffba3f91d5 R08: 0000000000000000 R09: 0000000000000000 # [ 51.808738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.823217] R13: ffffa7f742c3ff10 R14: ffffa7f742c3ff10 R15: ffff98a282ac9000 # [ 51.837698] FS: 00007f556cc5d580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 51.853247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.866174] CR2: 00007f556ca67000 CR3: 0000000102af4002 CR4: 00000000003706e0 # [ 51.880656] Call Trace: # [ 51.889899] ? __warn+0x80/0x110 # [ 51.900007] ? refcount_warn_saturate+0x51/0x110 # [ 51.911672] ? report_bug+0x9e/0xc0 # [ 51.922077] ? handle_bug+0x41/0x90 # [ 51.932476] ? exc_invalid_op+0x14/0x70 # [ 51.943268] ? asm_exc_invalid_op+0x12/0x20 # [ 51.954452] ? refcount_warn_saturate+0x51/0x110 # [ 51.966115] ? refcount_warn_saturate+0x51/0x110 # [ 51.977783] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 51.989741] direct_entry.cold+0x2c/0x38 # [ 52.000631] full_proxy_write+0x53/0x80 # [ 52.011422] vfs_write+0xe7/0x3b0 # [ 52.021633] ksys_write+0x68/0xf0 # [ 52.031841] do_syscall_64+0x30/0x40 # [ 52.042337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.054486] RIP: 0033:0x7f556cb73473 # [ 52.064987] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.092483] RSP: 002b:00007ffce64a7338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.107450] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f556cb73473 # [ 52.121933] RDX: 0000000000000017 RSI: 00007f556ca67000 RDI: 0000000000000001 # [ 52.136416] RBP: 00007f556ca67000 R08: 00007f556ca66010 R09: 0000000000000000 # [ 52.150900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.165382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.179870] irq event stamp: 0 # [ 52.189783] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.203295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.218943] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.234591] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.248102] ---[ end trace 6fca391b55ed3d47 ]--- # [ 52.259768] 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 # [ 52.397335] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 52.409764] lkdtm: attempting bad refcount_dec() from saturated # [ 52.422884] ------------[ cut here ]------------ # [ 52.434540] refcount_t: decrement hit 0; leaking memory. # [ 52.440799] WARNING: CPU: 1 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 52.456700] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.515667] CPU: 1 PID: 2333 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 52.530828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.544141] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 52.556485] Code: 88 41 35 ba c6 05 dd f0 f6 01 01 e8 36 ed c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 41 35 ba 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 # [ 52.584005] RSP: 0018:ffffa7f742c97e48 EFLAGS: 00010286 # [ 52.596324] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 52.610799] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 52.625278] RBP: ffffffffba3f91ec R08: 0000000000000000 R09: 0000000000000000 # [ 52.639758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.654239] R13: ffffa7f742c97f10 R14: ffffa7f742c97f10 R15: ffff98a282aab000 # [ 52.668718] FS: 00007fd7ba435580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 52.684267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.697193] CR2: 00007fd7ba23f000 CR3: 0000000106956004 CR4: 00000000003706e0 # [ 52.711671] Call Trace: # [ 52.720913] ? __warn+0x80/0x110 # [ 52.731019] ? refcount_warn_saturate+0xfb/0x110 # [ 52.742684] ? report_bug+0x9e/0xc0 # [ 52.753087] ? handle_bug+0x41/0x90 # [ 52.763488] ? exc_invalid_op+0x14/0x70 # [ 52.774279] ? asm_exc_invalid_op+0x12/0x20 # [ 52.785461] ? refcount_warn_saturate+0xfb/0x110 # [ 52.797124] ? refcount_warn_saturate+0xfb/0x110 # [ 52.808787] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 52.820743] direct_entry.cold+0x2c/0x38 # [ 52.831633] full_proxy_write+0x53/0x80 # [ 52.842423] vfs_write+0xe7/0x3b0 # [ 52.852629] ksys_write+0x68/0xf0 # [ 52.862839] do_syscall_64+0x30/0x40 # [ 52.873338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.885489] RIP: 0033:0x7fd7ba34b473 # [ 52.895986] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.923482] RSP: 002b:00007fff34f078d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.938458] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7ba34b473 # [ 52.952938] RDX: 0000000000000017 RSI: 00007fd7ba23f000 RDI: 0000000000000001 # [ 52.967421] RBP: 00007fd7ba23f000 R08: 00007fd7ba23e010 R09: 0000000000000000 # [ 52.981904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.996385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.010871] irq event stamp: 0 # [ 53.020784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.034295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.049944] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.065591] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.079101] ---[ end trace 6fca391b55ed3d48 ]--- # [ 53.090769] 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 # [ 53.238845] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 53.246957] lkdtm: attempting bad refcount_dec() from saturated # [ 53.253871] ------------[ cut here ]------------ # [ 53.259325] refcount_t: saturated; leaking memory. # [ 53.264983] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.274710] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.333700] CPU: 2 PID: 2368 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 53.342644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.349746] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.362087] 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 35 ba 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 35 # [ 53.383369] RSP: 0018:ffffa7f742d07e48 EFLAGS: 00010286 # [ 53.389524] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 53.404017] RDX: ffff98a2fad2c660 RSI: ffff98a2fad1bf70 RDI: ffff98a2fad1bf70 # [ 53.412293] RBP: ffffffffba3f9203 R08: 0000000000000000 R09: 0000000000000000 # [ 53.426760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.435022] R13: ffffa7f742d07f10 R14: ffffa7f742d07f10 R15: ffff98a285a7a000 # [ 53.443285] FS: 00007f3c0a32a580(0000) GS:ffff98a2fad00000(0000) knlGS:0000000000000000 # [ 53.452616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.459325] CR2: 00007f3c0a134000 CR3: 0000000106956005 CR4: 00000000003706e0 # [ 53.467589] Call Trace: # [ 53.470613] ? __warn+0x80/0x110 # [ 53.474536] ? refcount_warn_saturate+0x51/0x110 # [ 53.479985] ? report_bug+0x9e/0xc0 # [ 53.484172] ? handle_bug+0x41/0x90 # [ 53.488357] ? exc_invalid_op+0x14/0x70 # [ 53.492932] ? asm_exc_invalid_op+0x12/0x20 # [ 53.497896] ? refcount_warn_saturate+0x51/0x110 # [ 53.503368] ? refcount_warn_saturate+0x51/0x110 # [ 53.508814] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 53.514554] direct_entry.cold+0x2c/0x38 # [ 53.519226] full_proxy_write+0x53/0x80 # [ 53.523825] vfs_write+0xe7/0x3b0 # [ 53.527841] ksys_write+0x68/0xf0 # [ 53.531834] do_syscall_64+0x30/0x40 # [ 53.536117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.542051] RIP: 0033:0x7f3c0a240473 # [ 53.546333] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.567610] RSP: 002b:00007fff541b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.576360] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3c0a240473 # [ 53.584623] RDX: 0000000000000017 RSI: 00007f3c0a134000 RDI: 0000000000000001 # [ 53.592886] RBP: 00007f3c0a134000 R08: 00007f3c0a133010 R09: 0000000000000000 # [ 53.601149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.609404] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.617674] irq event stamp: 0 # [ 53.627584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.641090] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.650520] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.659948] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.667242] ---[ end trace 6fca391b55ed3d49 ]--- # [ 53.672689] 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 # [ 53.819403] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 53.830007] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 53.837790] ------------[ cut here ]------------ # [ 53.849451] refcount_t: saturated; leaking memory. # [ 53.861336] WARNING: CPU: 1 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 53.877240] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.936197] CPU: 1 PID: 2400 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 53.951361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.964673] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.977015] 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 35 ba 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 35 # [ 54.004530] RSP: 0018:ffffa7f742d87e38 EFLAGS: 00010282 # [ 54.016856] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.031334] RDX: ffff98a2facac660 RSI: ffff98a2fac9bf70 RDI: ffff98a2fac9bf70 # [ 54.045814] RBP: ffffffffba3f8e30 R08: 0000000000000000 R09: 0000000000000000 # [ 54.054080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.068555] R13: ffffa7f742d87f10 R14: ffffa7f742d87f10 R15: ffff98a283bec000 # [ 54.083032] FS: 00007f92fac85580(0000) GS:ffff98a2fac80000(0000) knlGS:0000000000000000 # [ 54.098578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.111212] CR2: 00007f92faa8f000 CR3: 0000000103f72003 CR4: 00000000003706e0 # [ 54.119479] Call Trace: # [ 54.128732] ? __warn+0x80/0x110 # [ 54.138822] ? refcount_warn_saturate+0x97/0x110 # [ 54.150486] ? report_bug+0x9e/0xc0 # [ 54.154700] ? handle_bug+0x41/0x90 # [ 54.160821] ? exc_invalid_op+0x14/0x70 # [ 54.165590] ? asm_exc_invalid_op+0x12/0x20 # [ 54.170581] ? refcount_warn_saturate+0x97/0x110 # [ 54.182236] ? refcount_warn_saturate+0x97/0x110 # [ 54.187712] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.200343] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.213173] direct_entry.cold+0x2c/0x38 # [ 54.217870] full_proxy_write+0x53/0x80 # [ 54.228654] vfs_write+0xe7/0x3b0 # [ 54.232657] ksys_write+0x68/0xf0 # [ 54.236660] do_syscall_64+0x30/0x40 # [ 54.240953] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.246897] RIP: 0033:0x7f92fab9b473 # [ 54.251180] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.272456] RSP: 002b:00007ffe7a218928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.281207] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92fab9b473 # [ 54.295677] RDX: 0000000000000020 RSI: 00007f92faa8f000 RDI: 0000000000000001 # [ 54.310156] RBP: 00007f92faa8f000 R08: 00007f92faa8e010 R09: 0000000000000000 # [ 54.318437] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.332947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.341218] irq event stamp: 0 # [ 54.351124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.362594] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.372026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.387667] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.397583] ---[ end trace 6fca391b55ed3d4a ]--- # [ 54.403033] 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 # [ 54.559530] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 54.572677] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 54.580459] ------------[ cut here ]------------ # [ 54.585937] refcount_t: saturated; leaking memory. # [ 54.597806] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.613725] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.672732] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 54.681689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.694991] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.701120] 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 35 ba 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 35 # [ 54.722404] RSP: 0018:ffffa7f742e07e38 EFLAGS: 00010282 # [ 54.734746] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.743012] RDX: ffff98a2fadac660 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 54.751275] RBP: ffffffffba3f8e50 R08: 0000000000000000 R09: 0000000000000000 # [ 54.759542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.767807] R13: ffffa7f742e07f10 R14: ffffa7f742e07f10 R15: ffff98a28698a000 # [ 54.776072] FS: 00007fe26e524580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 54.785406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.792118] CR2: 00007fe26e32e000 CR3: 0000000106b74006 CR4: 00000000003706e0 # [ 54.800402] Call Trace: # [ 54.803442] ? __warn+0x80/0x110 # [ 54.807386] ? refcount_warn_saturate+0x97/0x110 # [ 54.812848] ? report_bug+0x9e/0xc0 # [ 54.823241] ? handle_bug+0x41/0x90 # [ 54.827463] ? exc_invalid_op+0x14/0x70 # [ 54.832038] ? asm_exc_invalid_op+0x12/0x20 # [ 54.837007] ? refcount_warn_saturate+0x97/0x110 # [ 54.842486] ? refcount_warn_saturate+0x97/0x110 # [ 54.847936] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.854403] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.867231] direct_entry.cold+0x2c/0x38 # [ 54.878118] full_proxy_write+0x53/0x80 # [ 54.888908] vfs_write+0xe7/0x3b0 # [ 54.892922] ksys_write+0x68/0xf0 # [ 54.896913] do_syscall_64+0x30/0x40 # [ 54.901197] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.907131] RIP: 0033:0x7fe26e43a473 # [ 54.911415] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.932693] RSP: 002b:00007ffecd597768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.941458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe26e43a473 # [ 54.949721] RDX: 0000000000000020 RSI: 00007fe26e32e000 RDI: 0000000000000001 # [ 54.957985] RBP: 00007fe26e32e000 R08: 00007fe26e32d010 R09: 0000000000000000 # [ 54.966247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.974508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.982767] irq event stamp: 0 # [ 54.986490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.993783] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.003211] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.012639] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.019931] ---[ end trace 6fca391b55ed3d4b ]--- # [ 55.025400] 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 # [ 55.182939] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 55.195066] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 55.209090] ------------[ cut here ]------------ # [ 55.220748] refcount_t: underflow; use-after-free. # [ 55.232598] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.248575] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.307480] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 55.322772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.335952] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.348316] 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 35 ba 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 # [ 55.375793] RSP: 0018:ffffa7f742e8fe40 EFLAGS: 00010286 # [ 55.388155] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 55.402623] RDX: ffff98a2fac2c660 RSI: ffff98a2fac1bf70 RDI: ffff98a2fac1bf70 # [ 55.417110] RBP: ffffffffba3f8e70 R08: 0000000000000000 R09: 0000000000000000 # [ 55.431578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.446064] R13: ffffa7f742e8ff10 R14: ffffa7f742e8ff10 R15: ffff98a286aa8000 # [ 55.460543] FS: 00007fcaaabe6580(0000) GS:ffff98a2fac00000(0000) knlGS:0000000000000000 # [ 55.476093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.489011] CR2: 00007fcaaa9f0000 CR3: 0000000102ab4005 CR4: 00000000003706f0 # [ 55.503503] Call Trace: # [ 55.512736] ? __warn+0x80/0x110 # [ 55.522848] ? refcount_warn_saturate+0xba/0x110 # [ 55.534506] ? report_bug+0x9e/0xc0 # [ 55.544939] ? handle_bug+0x41/0x90 # [ 55.555310] ? exc_invalid_op+0x14/0x70 # [ 55.566106] ? asm_exc_invalid_op+0x12/0x20 # [ 55.577278] ? refcount_warn_saturate+0xba/0x110 # [ 55.588974] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 55.601577] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 55.614464] direct_entry.cold+0x2c/0x38 # [ 55.625312] full_proxy_write+0x53/0x80 # [ 55.636133] vfs_write+0xe7/0x3b0 # [ 55.646308] ksys_write+0x68/0xf0 # [ 55.656531] do_syscall_64+0x30/0x40 # [ 55.667015] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.679200] RIP: 0033:0x7fcaaaafc473 # [ 55.689674] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.717212] RSP: 002b:00007ffe90688348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.732158] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcaaaafc473 # [ 55.746649] RDX: 0000000000000020 RSI: 00007fcaaa9f0000 RDI: 0000000000000001 # [ 55.761102] RBP: 00007fcaaa9f0000 R08: 00007fcaaa9ef010 R09: 0000000000000000 # [ 55.775583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.790057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.804546] irq event stamp: 0 # [ 55.814468] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.827984] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.843612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.859258] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.872808] ---[ end trace 6fca391b55ed3d4c ]--- # [ 55.884486] 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 # [ 56.043254] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 56.053967] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 56.061769] ------------[ cut here ]------------ # [ 56.067247] refcount_t: underflow; use-after-free. # [ 56.072925] WARNING: CPU: 3 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.082657] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_chardev cros_ec_debugfs cros_usbpd_logger cros_usbpd_charger cros_ec_lightbar uvcvideo snd_soc_core videobuf2_vmalloc cros_ec_sensorhub cros_ec_sysfs videobuf2_memops snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.141618] CPU: 3 PID: 2502 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 56.150589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.163903] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.176246] 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 35 ba 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 # [ 56.203741] RSP: 0018:ffffa7f742ef7e40 EFLAGS: 00010286 # [ 56.209896] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 56.218160] RDX: ffff98a2fadac660 RSI: ffff98a2fad9bf70 RDI: ffff98a2fad9bf70 # [ 56.226437] RBP: ffffffffba3f8e90 R08: 0000000000000000 R09: 0000000000000000 # [ 56.234734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.243004] R13: ffffa7f742ef7f10 R14: ffffa7f742ef7f10 R15: ffff98a285bc1000 # [ 56.251298] FS: 00007f0df5c21580(0000) GS:ffff98a2fad80000(0000) knlGS:0000000000000000 # [ 56.266839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.273549] CR2: 00007f0df5a2b000 CR3: 0000000105b88005 CR4: 00000000003706e0 # [ 56.281814] Call Trace: # [ 56.284837] ? __warn+0x80/0x110 # [ 56.288758] ? refcount_warn_saturate+0xba/0x110 # [ 56.300418] ? report_bug+0x9e/0xc0 # [ 56.304605] ? handle_bug+0x41/0x90 # [ 56.308790] ? exc_invalid_op+0x14/0x70 # [ 56.313366] ? asm_exc_invalid_op+0x12/0x20 # [ 56.318331] ? refcount_warn_saturate+0xba/0x110 # [ 56.323804] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.330223] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.336838] direct_entry.cold+0x2c/0x38 # [ 56.341510] full_proxy_write+0x53/0x80 # [ 56.346085] vfs_write+0xe7/0x3b0 # [ 56.350077] ksys_write+0x68/0xf0 # [ 56.354071] do_syscall_64+0x30/0x40 # [ 56.358353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.364287] RIP: 0033:0x7f0df5b37473 # [ 56.368570] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.389851] RSP: 002b:00007ffd9e34f3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.398603] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0df5b37473 # [ 56.406867] RDX: 0000000000000020 RSI: 00007f0df5a2b000 RDI: 0000000000000001 # [ 56.415132] RBP: 00007f0df5a2b000 R08: 00007f0df5a2a010 R09: 0000000000000000 # [ 56.423402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.431667] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.446147] irq event stamp: 0 # [ 56.449873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.463382] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.479026] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.494673] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.501967] ---[ end trace 6fca391b55ed3d4d ]--- # [ 56.507415] 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 # [ 56.716527] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 56.725931] lkdtm: attempting good copy_to_user of correct size # [ 56.732844] 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 # [ 56.919313] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 56.927562] lkdtm: attempting good copy_from_user of correct size # [ 56.940898] 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 # [ 57.093860] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 57.104777] lkdtm: attempting good copy_to_user inside whitelist # [ 57.118017] 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 # [ 57.269503] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.281942] lkdtm: attempting good copy_from_user inside whitelist # [ 57.289169] 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 # [ 57.436830] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 57.446683] lkdtm: good_stack: ffffa7f7432b7e20-ffffa7f7432b7e40 # [ 57.453710] lkdtm: bad_stack : ffffa7f7432b7da8-ffffa7f7432b7dc8 # [ 57.460740] lkdtm: attempting good copy_to_user of local stack # [ 57.467567] 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 # [ 57.629557] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 57.637435] lkdtm: good_stack: ffffa7f74335fe20-ffffa7f74335fe40 # [ 57.650655] lkdtm: bad_stack : ffffa7f74335fda8-ffffa7f74335fdc8 # [ 57.663873] lkdtm: attempting good copy_from_user of local stack # [ 57.677086] 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 # [ 57.844591] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 57.852920] lkdtm: good_stack: ffffa7f7433d7e20-ffffa7f7433d7e40 # [ 57.866155] lkdtm: bad_stack : ffffa7f7433d7ff8-ffffa7f7433d8018 # [ 57.879383] lkdtm: attempting good copy_to_user of local stack # [ 57.892455] lkdtm: attempting bad copy_to_user of distant stack # [ 57.905566] 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 # [ 58.079770] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 58.092195] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb9f7ed30 # [ 58.107373] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb86e1430 # [ 58.122196] 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 # [ 58.272664] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.283843] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.292034] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.306320] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.313333] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.184-cip35 #1 # [ 58.328479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.335576] Call Trace: # [ 58.338600] dump_stack+0x77/0x9b # [ 58.342591] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.348037] direct_entry.cold+0x2c/0x38 # [ 58.352698] full_proxy_write+0x53/0x80 # [ 58.357270] vfs_write+0xe7/0x3b0 # [ 58.361250] ksys_write+0x68/0xf0 # [ 58.365241] do_syscall_64+0x30/0x40 # [ 58.369521] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.375452] RIP: 0033:0x7f9f1381c473 # [ 58.379731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.401009] RSP: 002b:00007ffc011dea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.409749] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f1381c473 # [ 58.418010] RDX: 0000000000000012 RSI: 00007f9f13710000 RDI: 0000000000000001 # [ 58.426271] RBP: 00007f9f13710000 R08: 00007f9f1370f010 R09: 0000000000000000 # [ 58.434532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.442794] 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 # [ 58.645001] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 58.656715] lkdtm: Calling matched prototype ... # [ 58.668400] lkdtm: Calling mismatched prototype ... # [ 58.680353] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #