[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 54902 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 2 apic_id 1. done. AP: slot 1 apic_id 3. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. 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 #2 Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #1 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #2 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 376194 run 170256 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: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 03: enabled 1 APIC: 01: 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 8975 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 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 8978 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 8975 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90982 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107777 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 14160 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 14159 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 22378 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 53551 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 13878 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11318 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 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 10044 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466180 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486296 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 826125 exit 39242 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: 03 APIC: 01 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 PC: 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: 03 APIC: 01 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 2113653 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 229 run 139301 exit 19157 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 30844 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6982 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2246 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5278 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23486 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 24005 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 2390 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_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24519 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: 03: enabled 1 APIC: 01: 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 2023-12-14 12:09:49 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-12-14 12:09:49 UTC ELOG: Event(92) added with size 9 at 2023-12-14 12:09:49 UTC ELOG: Event(9A) added with size 9 at 2023-12-14 12:09:49 UTC ELOG: Event(AD) added with size 10 at 2023-12-14 12:09:49 UTC ELOG: Event(9F) added with size 14 at 2023-12-14 12:09:49 UTC BS: BS_DEV_INIT times (us): entry 0 run 417284 exit 60015 ELOG: Event(A1) added with size 10 at 2023-12-14 12:09:49 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-12-14 12:09:49 UTC ELOG: Event(16) added with size 11 at 2023-12-14 12:09:49 UTC Erasing flash addr 9f0000 + 4 KiB 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 90662 run 3961 exit 5200 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 7a9b coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000058 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537338 exit 146809 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 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 641 run 262068 exit 135683 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 12269237/tftp-deploy-_dmn2qvb/kernel/bzImage 12269237/tftp-deploy-_dmn2qvb/kernel/cmdline 12269237/tftp-deploy-_dmn2qvb/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12269237/tftp-deploy-_dmn2qvb/kernel/bzImploy-_dmn2qvb/kernel/cmdline 12269237/tftp-deploy-_dmn2qvb/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12269237/tftp-deploy-_dmn2qvb/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################################################################ 01000000 ############################################################# done. The bootfile was 17275200 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: 12269237/tftp-deploy-_dmn2qvb/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269237/extract-nfsrootfs-6eu3gi1t,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: 24202865 Starting kernel ... <5>[ 0.000000] Linux version 5.10.201-cip41 (KernelCI@build-j47822-x86-64-gcc-10-x86-64-defconfig-x86-board-vl2bv) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 11:54:32 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269237/extract-nfsrootfs-6eu3gi1t,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001401] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007167] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.025905] check: Scanning 1 areas for low memory corruption <6>[ 0.025918] Using GB pages for direct mapping <6>[ 0.026490] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.026497] ACPI: Early table checksum verification disabled <6>[ 0.026506] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026520] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026536] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026553] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.026566] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026577] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026588] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.026601] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026613] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026625] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026637] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.026649] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026661] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026673] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026686] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.026691] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.026696] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026700] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026705] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.026710] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.026715] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.026719] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.026724] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.026729] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.026734] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.026739] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.026879] No NUMA configuration found <6>[ 0.026884] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.026894] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.026939] Zone ranges: <6>[ 0.026944] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.026952] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.026959] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.026966] Movable zone start for each node <6>[ 0.026971] Early memory node ranges <6>[ 0.026976] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.026981] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.026986] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.026993] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027029] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027073] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.038291] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.038386] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.038413] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.038771] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.038827] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.038841] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.038848] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.038863] Using ACPI (MADT) for SMP configuration information <6>[ 0.038869] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.038877] TSC deadline timer available <6>[ 0.038882] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.038912] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.038918] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.038924] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.038928] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.038933] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.038937] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.038942] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.038946] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.038950] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.038955] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.038959] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.038964] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.038968] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.038972] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.038977] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.038985] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.038993] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.056456] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.056749] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.056831] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.056836] Policy zone: Normal <5>[ 0.056850] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12269237/extract-nfsrootfs-6eu3gi1t,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.057480] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.057742] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.057836] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.080031] Memory: 3876304K/4089052K available (22546K kernel code, 3713K rwdata, 10972K rodata, 2168K init, 13956K bss, 212488K reserved, 0K cma-reserved) <6>[ 0.080183] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.080256] Kernel/User page tables isolation: enabled <6>[ 0.080381] ftrace: allocating 61876 entries in 242 pages <6>[ 0.150125] ftrace: allocated 242 pages with 5 groups <6>[ 0.150412] Running RCU self tests <6>[ 0.150428] rcu: Hierarchical RCU implementation. <6>[ 0.150433] rcu: RCU event tracing is enabled. <6>[ 0.150437] rcu: RCU lockdep checking is enabled. <6>[ 0.150442] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.150447] Rude variant of Tasks RCU enabled. <6>[ 0.150451] Tracing variant of Tasks RCU enabled. <6>[ 0.150457] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.150462] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.160335] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.160823] random: crng init done <6>[ 0.160931] Console: colour dummy device 80x25 <6>[ 0.234472] printk: console [ttyS0] enabled <4>[ 0.234863] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.235547] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.235930] ... MAX_LOCK_DEPTH: 48 <4>[ 0.236319] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.236723] ... CLASSHASH_SIZE: 4096 <4>[ 0.237127] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.237538] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.237950] ... CHAINHASH_SIZE: 32768 <4>[ 0.238361] memory used by lock dependency info: 6365 kB <4>[ 0.238851] memory used for stack traces: 4224 kB <4>[ 0.239292] per task-struct memory footprint: 1920 bytes <6>[ 0.239844] ACPI: Core revision 20200925 <6>[ 0.240443] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.240965] APIC: Switch to symmetric I/O mode setup <6>[ 0.245490] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.246434] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.247416] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.247416] process: using mwait in idle threads <6>[ 0.247416] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.247416] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.247416] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.247416] Spectre V2 : Mitigation: IBRS <6>[ 0.247416] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.247416] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.247416] RETBleed: Mitigation: IBRS <6>[ 0.247416] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.247416] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.247416] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.247416] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.247416] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.247416] SRBDS: Vulnerable: No microcode <6>[ 0.247416] GDS: Vulnerable: No microcode <6>[ 0.247416] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.247416] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.247416] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.247416] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.247416] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.247416] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.247416] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.247416] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.247416] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.247416] ------------[ cut here ]------------ <4>[ 0.247416] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.247416] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.247416] Modules linked in: <4>[ 0.247416] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.201-cip41 #1 <4>[ 0.247416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.247416] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.247416] Code: 67 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 98 ed e7 a8 c6 05 00 15 67 02 01 e8 25 fc 15 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.247416] RSP: 0000:ffffffffa9203e28 EFLAGS: 00010282 <4>[ 0.247416] RAX: 0000000000000000 RBX: ffffffffa9e2c1cc RCX: 0000000000000000 <4>[ 0.247416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa6f77b91 <4>[ 0.247416] RBP: ffffffffa8af8540 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.247416] R10: ffffffffa928fee0 R11: 3fffffffffffffff R12: ffffffffa9e45500 <4>[ 0.247416] R13: cccccccccccccccc R14: ffffffffa8af8545 R15: 0000000000000004 <4>[ 0.247416] FS: 0000000000000000(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 <4>[ 0.247416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.247416] CR2: ffffa26a45e01000 CR3: 0000000144426001 CR4: 00000000003706f0 <4>[ 0.247416] Call Trace: <4>[ 0.247416] ? __warn+0x80/0x110 <4>[ 0.247416] ? apply_returns+0x1f5/0x220 <4>[ 0.247416] ? report_bug+0x9e/0xc0 <4>[ 0.247416] ? handle_bug+0x41/0x90 <4>[ 0.247416] ? exc_invalid_op+0x14/0x70 <4>[ 0.247416] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.247416] ? console_unlock+0x4d1/0x5f0 <4>[ 0.247416] ? apply_returns+0x1f5/0x220 <4>[ 0.247416] ? apply_returns+0x1f5/0x220 <4>[ 0.247416] alternative_instructions+0x7d/0x143 <4>[ 0.247416] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.247416] start_kernel+0x4a3/0x54d <4>[ 0.247416] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.247416] irq event stamp: 200381 <4>[ 0.247416] hardirqs last enabled at (200389): [] console_unlock+0x4d1/0x5f0 <4>[ 0.247416] hardirqs last disabled at (200396): [] console_unlock+0x444/0x5f0 <4>[ 0.247416] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.247416] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.247416] ---[ end trace b27dfb9cdcf5d05e ]--- <6>[ 0.247416] Freeing SMP alternatives memory: 48K <6>[ 0.247416] pid_max: default: 32768 minimum: 301 <6>[ 0.247416] LSM: Security Framework initializing <6>[ 0.247416] SELinux: Initializing. <6>[ 0.247416] LSM support for eBPF active <6>[ 0.247416] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.247416] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.247416] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.248083] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.248432] ... version: 4 <6>[ 0.248810] ... bit width: 48 <6>[ 0.249193] ... generic registers: 4 <6>[ 0.249422] ... value mask: 0000ffffffffffff <6>[ 0.249907] ... max period: 00007fffffffffff <6>[ 0.250390] ... fixed-purpose events: 3 <6>[ 0.250422] ... event mask: 000000070000000f <6>[ 0.251458] rcu: Hierarchical SRCU implementation. <6>[ 0.254049] smp: Bringing up secondary CPUs ... <6>[ 0.255154] x86: Booting SMP configuration: <6>[ 0.255470] .... node #0, CPUs: #1 #2 <4>[ 0.257735] 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>[ 0.259434] 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>[ 0.260983] #3 <6>[ 0.261893] smp: Brought up 1 node, 4 CPUs <6>[ 0.262423] smpboot: Max logical packages: 1 <6>[ 0.262826] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.265805] devtmpfs: initialized <6>[ 0.266826] x86/mm: Memory block size: 128MB <6>[ 0.271540] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.272441] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.273653] pinctrl core: initialized pinctrl subsystem <6>[ 0.275343] PM: RTC time: 12:10:09, date: 2023-12-14 <6>[ 0.276148] NET: Registered protocol family 16 <6>[ 0.277335] audit: initializing netlink subsys (disabled) <5>[ 0.278475] audit: type=2000 audit(1702555809.032:1): state=initialized audit_enabled=0 res=1 <6>[ 0.279261] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.279266] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.279993] cpuidle: using governor menu <6>[ 0.280900] ACPI: bus type PCI registered <6>[ 0.281865] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.282430] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.283078] PCI: Using configuration type 1 for base access <6>[ 0.321990] Kprobes globally optimized <6>[ 0.323553] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323553] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324489] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.328427] ACPI: Added _OSI(Module Device) <6>[ 0.328823] ACPI: Added _OSI(Processor Device) <6>[ 0.329237] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.329424] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329921] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.330335] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.330424] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.343904] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.352672] ACPI: EC: EC started <6>[ 0.353008] ACPI: EC: interrupt blocked <6>[ 0.354171] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.354427] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.355085] ACPI: Interpreter enabled <6>[ 0.355497] ACPI: (supports S0 S3 S4 S5) <6>[ 0.355870] ACPI: Using IOAPIC for interrupt routing <6>[ 0.356408] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.375476] ACPI: Power Resource [PRIC] (on) <6>[ 0.505028] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.505436] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.506580] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.507290] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.509153] PCI host bridge to bus 0000:00 <6>[ 0.509428] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.510041] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.510425] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.511093] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.512425] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.513094] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.513424] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.514092] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.514424] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.515092] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.516425] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.517093] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.517424] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.518091] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.518424] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.519092] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.520425] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.521093] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.521424] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.522092] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.522425] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.523036] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.525661] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.526235] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.526441] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.527097] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.528182] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.529454] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.530960] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.531453] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.532844] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.533423] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.534194] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.535335] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.535466] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.536878] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.537470] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.539032] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.540474] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.542063] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.542473] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.543108] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.544370] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.545474] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.547075] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.547645] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.549099] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.549472] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.551040] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.551473] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.553032] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.553466] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.555153] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.556468] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.557991] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.559339] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.559459] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.560914] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.561471] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.562138] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.562544] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.563962] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.565491] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.566171] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.567279] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.567459] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.569571] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.571063] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.576411] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.578894] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.579370] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.582005] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.582745] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.583691] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.584659] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.585625] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.586597] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.587569] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.588540] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.595920] ACPI: EC: interrupt unblocked <6>[ 0.596317] ACPI: EC: event unblocked <6>[ 0.596423] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.596896] ACPI: EC: GPE=0x6e <6>[ 0.597199] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.598427] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.599584] iommu: Default domain type: Translated <6>[ 0.600591] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.601073] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.601443] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.601966] vgaarb: loaded <5>[ 0.602899] SCSI subsystem initialized <6>[ 0.603617] ACPI: bus type USB registered <6>[ 0.604149] usbcore: registered new interface driver usbfs <6>[ 0.604501] usbcore: registered new interface driver hub <6>[ 0.605030] usbcore: registered new device driver usb <6>[ 0.605557] mc: Linux media interface: v0.10 <6>[ 0.605994] videodev: Linux video capture interface: v2.00 <6>[ 0.606465] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.606922] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.608440] PTP clock support registered <6>[ 0.609455] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.611195] NetLabel: Initializing <6>[ 0.611423] NetLabel: domain hash size = 128 <6>[ 0.611831] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.612437] NetLabel: unlabeled traffic allowed by default <6>[ 0.613588] PCI: Using ACPI for IRQ routing <6>[ 0.621419] clocksource: Switched to clocksource tsc-early <5>[ 1.088361] VFS: Disk quotas dquot_6.6.0 <6>[ 1.088805] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.089901] pnp: PnP ACPI init <6>[ 1.091078] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.091698] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.092296] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.092906] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.093503] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.094113] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.094751] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.095378] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.095987] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.096585] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.098159] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.099117] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.099935] system 00:04: [io 0x0200] has been reserved <6>[ 1.100426] system 00:04: [io 0x0204] has been reserved <6>[ 1.100931] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.101472] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.104560] pnp: PnP ACPI: found 6 devices <6>[ 1.119747] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.120676] NET: Registered protocol family 2 <6>[ 1.121264] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.123807] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.124844] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.125792] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.128708] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.129674] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.130689] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.131607] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.132734] NET: Registered protocol family 1 <6>[ 1.133900] RPC: Registered named UNIX socket transport module. <6>[ 1.134467] RPC: Registered udp transport module. <6>[ 1.134920] RPC: Registered tcp transport module. <6>[ 1.135357] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.136607] NET: Registered protocol family 44 <6>[ 1.137063] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.137539] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.138181] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.138750] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.139309] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.140002] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.140619] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.141246] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.141873] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.142497] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.143129] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.143805] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.144429] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.145063] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.145697] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.146319] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.146951] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.147574] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.148206] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.148840] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.149478] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.150111] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.150745] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.151832] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.154677] PCI: CLS 64 bytes, default 64 <6>[ 1.155476] Unpacking initramfs... <6>[ 1.608798] Freeing initrd memory: 10248K <6>[ 1.609262] DMAR: Host address width 39 <6>[ 1.609744] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.610302] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.611064] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.611633] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.612148] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.612964] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.613548] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.614515] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.615244] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.615789] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.616304] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.616806] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.617322] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.619700] kvm: already loaded the other module <6>[ 1.625966] check: Scanning for low memory corruption every 60 seconds <5>[ 1.629949] Initialise system trusted keyrings <6>[ 1.630667] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.652211] NFS: Registering the id_resolver key type <5>[ 1.652750] Key type id_resolver registered <5>[ 1.653173] Key type id_legacy registered <5>[ 1.675783] Key type asymmetric registered <5>[ 1.676202] Asymmetric key parser 'x509' registered <6>[ 1.676729] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.677410] io scheduler mq-deadline registered <6>[ 1.677846] io scheduler kyber registered <4>[ 1.678461] test_firmware: interface ready <6>[ 1.680468] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.682414] ACPI: AC Adapter [AC] (on-line) <6>[ 1.683240] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.685118] ACPI: Lid Switch [LID0] <6>[ 1.685750] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.686683] ACPI: Power Button [PWRF] <6>[ 1.687493] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.688772] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.689862] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.690900] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.692566] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.696921] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.697787] Non-volatile memory driver v1.3 <6>[ 1.698466] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.698468] Linux agpgart interface v0.103 <6>[ 1.699421] ACPI: bus type drm_connector registered <6>[ 1.700109] [drm] amdgpu kernel modesetting enabled. <6>[ 1.703499] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.758199] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.760025] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.788152] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.791840] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.807287] loop: module loaded <6>[ 1.808432] lkdtm: No crash points registered, enable through debugfs <6>[ 1.833043] printk: console [ttyS0] disabled <6>[ 1.833801] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.645895] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.670408] printk: console [ttyS0] enabled <6>[ 2.679596] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.700759] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.468271] clocksource: Switched to clocksource tsc <6>[ 5.468420] fbcon: i915drmfb (fb0) is primary device <4>[ 5.470571] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.479003] e100: Intel(R) PRO/100 Network Driver <6>[ 5.479006] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.479070] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.479072] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.479150] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.479153] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.479236] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.479239] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.479299] sky2: driver version 1.30 <6>[ 5.479606] usbcore: registered new interface driver r8152 <6>[ 5.480174] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.480201] ehci-pci: EHCI PCI platform driver <6>[ 5.480283] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.480308] ohci-pci: OHCI PCI platform driver <6>[ 5.480390] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.480853] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.481633] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.483203] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.484620] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.484701] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.486781] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.487261] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.487282] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.487852] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.487879] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.487883] usb usb1: Product: xHCI Host Controller <6>[ 5.487889] usb usb1: Manufacturer: Linux 5.10.201-cip41 xhci-hcd <6>[ 5.487894] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.489711] hub 1-0:1.0: USB hub found <6>[ 5.489914] hub 1-0:1.0: 12 ports detected <6>[ 5.493894] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.493899] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.493903] usb usb2: Product: xHCI Host Controller <6>[ 5.493906] usb usb2: Manufacturer: Linux 5.10.201-cip41 xhci-hcd <6>[ 5.493909] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.495016] hub 2-0:1.0: USB hub found <6>[ 5.495069] hub 2-0:1.0: 6 ports detected <6>[ 5.496910] usbcore: registered new interface driver usblp <6>[ 5.496982] usbcore: registered new interface driver usb-storage <6>[ 5.497561] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.497718] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.497721] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.498477] i8042: Warning: Keylock active <6>[ 5.498777] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.501015] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.503474] rtc_cmos 00:02: registered as rtc0 <6>[ 5.503922] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.504111] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.505910] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.505962] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.506959] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.508616] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.508971] Console: switching to colour frame buffer device 240x67 <6>[ 5.509168] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.509257] intel_pstate: Intel P-state driver initializing <6>[ 5.510549] intel_pstate: HWP enabled <6>[ 5.510580] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.510581] sdhci: Copyright(c) Pierre Ossman <6>[ 5.510666] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.511877] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.512037] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.513281] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.513937] usbcore: registered new interface driver usbhid <6>[ 5.513938] usbhid: USB HID core driver <6>[ 5.514673] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.519626] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.524070] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.530662] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.736656] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.742698] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.743763] mmc0: new HS400 MMC card at address 0001 <6>[ 5.744367] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.744472] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.744570] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.744777] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.748718] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.834435] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 5.835215] IPv4 over IPsec tunneling driver <6>[ 5.877894] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.882232] Initializing XFRM netlink socket <6>[ 5.888624] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.990729] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.992831] NET: Registered protocol family 10 <6>[ 6.012041] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.014552] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.018427] Segment Routing with IPv6 <6>[ 6.025193] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.032662] NET: Registered protocol family 17 <6>[ 6.037612] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.043214] 8021q: 802.1Q VLAN Support v1.8 <6>[ 6.049961] usb 2-3: Manufacturer: Realtek <6>[ 6.049963] usb 2-3: SerialNumber: 001000001 <3>[ 6.051016] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <5>[ 6.056933] Key type dns_resolver registered <6>[ 6.126650] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.207008] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.213470] microcode: Microcode Update Driver: v2.2. <6>[ 6.213478] IPI shorthand broadcast: enabled <6>[ 6.224586] sched_clock: Marking stable (6138872970, 85637440)->(6344848914, -120338504) <6>[ 6.234177] registered taskstats version 1 <5>[ 6.239103] Loading compiled-in X.509 certificates <6>[ 6.246253] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.256135] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.265816] PM: Magic number: 3:976:177 <6>[ 6.270733] acpi device:0d: hash matches <6>[ 6.275587] printk: console [netcon0] enabled <6>[ 6.280752] netconsole: network logging started <6>[ 6.369197] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.378659] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.386940] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.392597] usb 1-9: Manufacturer: Azurewave <6>[ 6.397685] usb 1-9: SerialNumber: 0x0001 <6>[ 6.410149] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.455798] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.500435] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.538462] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.543849] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.162011] r8152 2-3:1.0 eth0: carrier on <6>[ 8.163818] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.175778] Sending DHCP requests .., OK <6>[ 10.870571] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.879838] IP-Config: Complete: <6>[ 10.883758] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.895729] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.905265] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.905267] nameserver0=192.168.201.1 <5>[ 10.918706] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.930465] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 10.933362] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.945938] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.946764] ALSA device list: <6>[ 10.955975] cfg80211: failed to load regulatory.db <6>[ 10.959564] No soundcards found. <4>[ 10.969698] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.979614] Freeing unused kernel image (initmem) memory: 2168K <6>[ 10.997957] Write protecting the kernel read-only data: 36864k <6>[ 11.005832] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 11.013952] Freeing unused kernel image (rodata/data gap) memory: 1316K <6>[ 11.021775] Run /init as init process Loading, please wait... <6>[ 11.036257] blacklist (120) used greatest stack depth: 13864 bytes left Starting version 247.3-7+deb11u2 <6>[ 11.044529] systemd-udevd (123) used greatest stack depth: 13816 bytes left <6>[ 11.093057] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 11.211042] chromeos ramoops using acpi device. <6>[ 11.211742] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.226703] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.238224] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.247719] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.269569] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.278559] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.288546] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.298899] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.319194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.324916] Registered efivars operations <6>[ 11.332550] gsmi version 1.0 loaded <6>[ 11.461400] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 11.480317] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.493436] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.506790] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.520213] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.532130] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.534445] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.556480] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.556493] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.575149] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.588800] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 11.601469] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.601725] usbcore: registered new interface driver uvcvideo <6>[ 11.611201] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.616667] USB Video Class driver (1.1.1) <6>[ 11.626294] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.652442] udevadm (137) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.810571] nfsmount (170) used greatest stack depth: 12544 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 13.071138] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 13.108921] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.138275] systemd[1]: Set hostname to . <30>[ 13.590321] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.601812] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.618229] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.635250] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.652266] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.669169] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.691295] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.710945] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.734036] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.751031] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.764999] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.780894] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.792905] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.804246] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.821917] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.838934] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.856720] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.873689] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.893428] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.910527] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.929708] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 13.947078] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 13.967116] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 13.985247] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.007201] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.027198] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.043357] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.058378] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.098939] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 14.109755] fuse: init (API version 7.32) <30>[ 14.116193] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 14.131877] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.145272] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.163298] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.183192] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.198961] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.214920] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.229932] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.245779] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 14.268787] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.276293] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.292607] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.299592] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.316632] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.323759] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.340395] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 14.355226] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 14.434446] systemd-journald[205]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 15.940108] systemd-tmpfile (216) used greatest stack depth: 12384 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Finished Load/Save Screen … of backlight:intel_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 5.10.201-cip41 #1 SMP Thu Dec 14 11:54:32 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/12269237/extract-nfsrootfs-6eu3gi1t' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12269237/extract-nfsrootfs-6eu3gi1t' / # 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-12269237/environment . /lava-12269237/environment / # /lava-12269237/bin/lava-test-runner /lava-12269237/0 /lava-12269237/bin/lava-test-runner /lava-12269237/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12269237/0/tests/0_timesync-off ++ cat uuid + UUID=12269237_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-12269237/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12269237_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-12-14 12:10:29-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-69-g8f7b450fc28ed/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3383032 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 49.22K 187KB/s kselftest.tar.xz 6%[> ] 217.50K 409KB/s kselftest.tar.xz 24%[===> ] 794.43K 918KB/s kselftest.tar.xz 41%[=======> ] 1.34M 1.07MB/s kselftest.tar.xz 82%[===============> ] 2.66M 1.64MB/s kselftest.tar.xz 100%[===================>] 3.23M 1.79MB/s in 1.8s 2023-12-14 12:10:32 (1.79 MB/s) - 'kselftest.tar.xz' saved [3383032/3383032] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 31.542070] 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>[ 32.001524] lkdtm: Performing direct entry BUG <4>[ 32.006872] ------------[ cut here ]------------ <2>[ 32.012337] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 32.018489] invalid opcode: 0000 [#1] SMP PTI <4>[ 32.023645] CPU: 3 PID: 638 Comm: cat Tainted: G W 5.10.201-cip41 #1 <4>[ 32.032496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.039595] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.044264] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 32.065533] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 32.071671] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.079935] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 32.088197] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.096451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.104728] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 32.112991] FS: 00007f16356ae580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 32.122321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.129030] CR2: 00007f16354b8000 CR3: 0000000102d40004 CR4: 00000000003706e0 <4>[ 32.137283] Call Trace: <4>[ 32.140303] ? __die_body.cold+0x1a/0x1f <4>[ 32.144978] ? die+0x2b/0x50 <4>[ 32.148482] ? do_trap+0x91/0x110 <4>[ 32.152471] ? lkdtm_BUG+0x5/0x10 <4>[ 32.156461] ? do_error_trap+0x90/0x110 <4>[ 32.161025] ? lkdtm_BUG+0x5/0x10 <4>[ 32.165003] ? lkdtm_BUG+0x5/0x10 <4>[ 32.168994] ? exc_invalid_op+0x4e/0x70 <4>[ 32.173564] ? lkdtm_BUG+0x5/0x10 <4>[ 32.177554] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.182507] ? direct_entry+0xe0/0xe0 <4>[ 32.186877] ? lkdtm_BUG+0x5/0x10 <4>[ 32.190866] direct_entry.cold+0x2c/0x38 <4>[ 32.195529] full_proxy_write+0x53/0x80 <4>[ 32.200103] vfs_write+0xe7/0x3b0 <4>[ 32.204093] ksys_write+0x68/0xf0 <4>[ 32.208084] do_syscall_64+0x30/0x40 <4>[ 32.212364] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.218287] RIP: 0033:0x7f16355c4473 <4>[ 32.222567] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 32.243837] RSP: 002b:00007fff2d4f8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.252586] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f16355c4473 <4>[ 32.260849] RDX: 0000000000000004 RSI: 00007f16354b8000 RDI: 0000000000000001 <4>[ 32.269112] RBP: 00007f16354b8000 R08: 00007f16354b7010 R09: 0000000000000000 <4>[ 32.277364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.285627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.293884] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <0>[ 32.348559] gsmi: Log Shutdown Reason 0x03 <4>[ 32.353456] ---[ end trace b27dfb9cdcf5d060 ]--- <4>[ 32.358917] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.363598] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 32.384886] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 32.391022] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.399290] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 32.407562] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.415856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.424149] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 32.432444] FS: 00007f16356ae580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 32.441829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.448550] CR2: 00007f16354b8000 CR3: 0000000102d40004 CR4: 00000000003706e0 # Segmentation fault # [ 32.001524] lkdtm: Performing direct entry BUG # [ 32.006872] ------------[ cut here ]------------ # [ 32.012337] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.018489] invalid opcode: 0000 [#1] SMP PTI # [ 32.023645] CPU: 3 PID: 638 Comm: cat Tainted: G W 5.10.201-cip41 #1 # [ 32.032496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.039595] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.044264] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 32.065533] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010<6>[ 32.538454] lkdtm: Performing direct entry WARNING 282 # [ 32.071671] RAX: ffffffffa797b810 RBX: 000000000000000<4>[ 32.545248] ------------[ cut here ]------------ <4>[ 32.556924] WARNING: CPU: 3 PID: 676 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 1 RCX: 0000000000000000 # [ 32.079935] RDX: 0000000000000000 <4>[ 32.566660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 32.625668] CPU: 3 PID: 676 Comm: cat Tainted: G D W 5.10.201-cip41 #1 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 32.088197] RB<4>[ 32.634524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.647833] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 32.652990] 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 a0 64 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 <4>[ 32.674268] RSP: 0018:ffffbf74413b7e60 EFLAGS: 00010202 P: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.680399] RAX: ffffffffa797b820 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 32.694878] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80c0 <4>[ 32.703172] RBP: ffffffffa8f821bf R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.711438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 32.719715] R13: ffffbf74413b7f10 R14: ffffbf74413b7f10 R15: ffffa26a0406a000 <4>[ 32.728010] FS: 00007f92c90e3580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 32.737366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.096451] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 32.744092] CR2: 00007f92c8eed000 CR3: 0000000102edc005 CR4: 00000000003706e0 <4>[ 32.758563] Call Trace: <4>[ 32.761589] ? __warn+0x80/0x110 2: 0000000000000004 # [ 32.104728] R13: ffffbf74412dff10 R14:<4>[ 32.765510] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.776197] ? report_bug+0x9e/0xc0 <4>[ 32.780408] ? handle_bug+0x41/0x90 <4>[ 32.784594] ? exc_invalid_op+0x14/0x70 <4>[ 32.789169] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.794133] ? lkdtm_BUG+0x10/0x10 <4>[ 32.798247] ? lkdtm_WARNING+0x13/0x20 <4>[ 32.802749] direct_entry.cold+0x2c/0x38 <4>[ 32.807425] full_proxy_write+0x53/0x80 <4>[ 32.812033] vfs_write+0xe7/0x3b0 <4>[ 32.816050] ksys_write+0x68/0xf0 <4>[ 32.820067] do_syscall_64+0x30/0x40 <4>[ 32.824374] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.830308] RIP: 0033:0x7f92c8ff9473 <4>[ 32.834591] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 32.855868] RSP: 002b:00007fffa887e568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.864620] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f92c8ff9473 <4>[ 32.872883] RDX: 0000000000000008 RSI: 00007f92c8eed000 RDI: 0000000000000001 <4>[ 32.881148] RBP: 00007f92c8eed000 R08: 00007f92c8eec010 R09: 0000000000000000 <4>[ 32.889413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.897678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.905948] irq event stamp: 0 ffffbf74412dff10 R15: ffffa26a033cc000 # [ 32.112991] FS: 0<4>[ 32.909675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 32.923179] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.932611] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 32.942042] softirqs last disabled at (0): [<0000000000000000>] 0x0 0007f16356ae580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000<4>[ 32.949335] ---[ end trace b27dfb9cdcf5d061 ]--- 000000 # [ 32.122321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.129030] CR2: 00007f16354b8000 CR3: 0000000102d40004 CR4: 00000000003706e0 # [ 32.137283] Call Trace: # [ 32.140303] ? __die_body.cold+0x1a/0x1f # [ 32.144978] ? die+0x2b/0x50 # [ 32.148482] ? do_trap+0x91/0x110 # [ 32.152471] ? lkdtm_BUG+0x5/0x10 # [ 32.156461] ? do_error_trap+0x90/0x110 # [ 32.161025] ? lkdtm_BUG+0x5/0x10 # [ 32.165003] ? lkdtm_BUG+0x5/0x10 # [ 32.168994] ? exc_invalid_op+0x4e/0x70 # [ 32.173564] ? lkdtm_BUG+0x5/0x10 # [ 32.177554] ? asm_exc_invalid_op+0x12/0x20 # [ 32.182507] ? direct_entry+0xe0/0xe0 # [ 32.186877] ? lkdtm_BUG+0x5/0x10 # [ 32.190866] direct_entry.cold+0x2c/0x38 # [ 32.195529] full_proxy_write+0x53/0x80 # [ 32.200103] vfs_write+0xe7/0x3b0 # [ 32.204093] ksys_write+0x68/0xf0 # [ 32.208084] do_sysc<6>[ 33.042892] lkdtm: Performing direct entry WARNING_MESSAGE all_64+0x30/0x40 # [ 32.212364] entry_SYSCALL_64_after_hwfra<4>[ 33.054439] ------------[ cut here ]------------ me+0x62/0xc7 # [ 32.218287] RIP: 0033:0x7f16355c4473 # [ 3<4>[ 33.066105] Warning message trigger count: 2 2.222567] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[ 33.077418] WARNING: CPU: 2 PID: 712 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[ 33.094094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec <4>[ 33.153066] CPU: 2 PID: 712 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 33.168127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 28 48 89 54 24 18 # [ 32.243837] RSP: 002b:00007fff2d4f8f58 E<4>[ 33.175230] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 33.187376] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 0b 03 48 c7 c7 20 27 f8 a8 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.252586] RAX<4>[ 33.208678] RSP: 0018:ffffbf7441437e60 EFLAGS: 00010286 <4>[ 33.221016] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 : ffffffffffffffda RBX: 0000000000000004 RCX: 00007f16355c4473 <4>[ 33.229282] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 32.260849] RDX: 0000000000000004 RSI: 00007f16354b8000 RDI<4>[ 33.243757] RBP: ffffffffa8f821c7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.258240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 : 0000000000000001 # [ 32.269112] RBP: 00007f16354b8000 R08: <4>[ 33.266506] R13: ffffbf7441437f10 R14: ffffbf7441437f10 R15: ffffa26a02f6c000 <4>[ 33.280981] FS: 00007fca9355b580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 00007f16354b7010 R09: 0000000000000000 # [ 32.277364] R10: ff<4>[ 33.290342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 33.303243] CR2: 00007fca93365000 CR3: 00000001036bc001 CR4: 00000000003706e0 <4>[ 33.317726] Call Trace: 32.285627] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 33.320751] ? __warn+0x80/0x110 <4>[ 33.330859] ? lkdtm_WARNING_MESSAGE+0x20/0x30 00000000020000 # [ 32.293884] Modules linked in: fuse ip_tabl<4>[ 33.336115] ? report_bug+0x9e/0xc0 es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<4>[ 33.346512] ? handle_bug+0x41/0x90 <4>[ 33.356911] ? exc_invalid_op+0x14/0x70 rialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usb<4>[ 33.361511] ? asm_exc_invalid_op+0x12/0x20 pd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger vide<4>[ 33.372689] ? lkdtm_WARNING_MESSAGE+0x20/0x30 obuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops c<4>[ 33.384158] direct_entry.cold+0x2c/0x38 ros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp<4>[ 33.395049] full_proxy_write+0x53/0x80 _thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress <4>[ 33.405841] vfs_write+0xe7/0x3b0 <4>[ 33.416048] ksys_write+0x68/0xf0 snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_<4>[ 33.420043] do_syscall_64+0x30/0x40 <4>[ 33.430535] entry_SYSCALL_64_after_hwframe+0x62/0xc7 table cros_kbd_led_backlight chromeos_pstore # [ 32.348559] g<4>[ 33.436471] RIP: 0033:0x7fca93471473 <4>[ 33.446964] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 smi: Log Shutdown Reason 0x03 # [ 32.353456] ---[ end trace b<4>[ 33.468246] RSP: 002b:00007ffd333b4e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.483209] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fca93471473 <4>[ 33.491475] RDX: 0000000000000010 RSI: 00007fca93365000 RDI: 0000000000000001 <4>[ 33.499740] RBP: 00007fca93365000 R08: 00007fca93364010 R09: 0000000000000000 27dfb9cdcf5d060 ]--- # [ 32.358917] RIP: 0010:lkdtm_BUG+0x5/0<4>[ 33.508008] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 x10 # [ 32.363598] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff <4>[ 33.522495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f<4>[ 33.536993] irq event stamp: 0 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <4>[ 33.546888] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f 44 00 00 83 05 a0 64 0b 03 # [ 32.384886] RSP: 0018:ffffbf<4>[ 33.560400] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.576048] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 74412dfe60 EFLAGS: 00010282 # [ 32.391022] RAX: ffffffffa797b<4>[ 33.585481] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.598986] ---[ end trace b27dfb9cdcf5d062 ]--- 810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.399290] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 32.407562] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 32.415856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.424149] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 32.432444] FS: 00007f16356ae580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 32.441829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.448550] CR2: 00007f16354b8000 CR3: 0000000102d40004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 32.538454] lkdtm: Performing direct entry WARNING # [ 32.545248] ------------[ cut here ]-------<6>[ 33.679336] lkdtm: Performing direct entry EXCEPTION <1>[ 33.691081] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 33.699154] #PF: supervisor write access in kernel mode <1>[ 33.705279] #PF: error_code(0x0002) - not-present page <6>[ 33.711305] PGD 0 P4D 0 <4>[ 33.714422] Oops: 0002 [#2] SMP PTI <4>[ 33.718595] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 33.727439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.734537] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 33.739788] Code: 48 c7 c7 20 27 f8 a8 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 33.761066] RSP: 0018:ffffbf74414dfe60 EFLAGS: 00010282 <4>[ 33.767183] RAX: ffffffffa797b870 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 33.775446] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffffffa8af80e0 <4>[ 33.783724] RBP: ffffffffa8e75e97 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.791986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 33.800249] R13: ffffbf74414dff10 R14: ffffbf74414dff10 R15: ffffa26a05a03000 <4>[ 33.808512] FS: 00007fc863789580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 33.817834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.824542] CR2: 0000000000000000 CR3: 0000000102c1e001 CR4: 00000000003706e0 <4>[ 33.832802] Call Trace: <4>[ 33.835822] ? __die_body.cold+0x1a/0x1f <4>[ 33.840492] ? no_context+0x177/0x380 <4>[ 33.844873] ? exc_page_fault+0x53/0x170 <4>[ 33.849543] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.854504] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 33.859756] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 33.864319] direct_entry.cold+0x2c/0x38 <4>[ 33.868988] full_proxy_write+0x53/0x80 <4>[ 33.873551] vfs_write+0xe7/0x3b0 <4>[ 33.877532] ksys_write+0x68/0xf0 <4>[ 33.881522] do_syscall_64+0x30/0x40 <4>[ 33.885795] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.891727] RIP: 0033:0x7fc86369f473 <4>[ 33.896005] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 33.917282] RSP: 002b:00007ffd8c248be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.926022] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc86369f473 <4>[ 33.934285] RDX: 000000000000000a RSI: 00007fc863593000 RDI: 0000000000000001 <4>[ 33.942547] RBP: 00007fc863593000 R08: 00007fc863592010 R09: 0000000000000000 <4>[ 33.950809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.959071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ----- # [ 32.556924] WARNING: CPU: 3 PID: 676 at drivers/misc<4>[ 33.967336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 34.026335] CR2: 0000000000000000 <4>[ 34.030316] ---[ end trace b27dfb9cdcf5d063 ]--- <4>[ 34.035762] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.040430] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 34.061707] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 34.067824] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.076085] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 34.084349] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.092611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.100873] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 34.109135] FS: 00007fc863789580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 34.118467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.125173] CR2: 0000000000000000 CR3: 0000000102c1e001 CR4: 00000000003706e0 <3>[ 34.133435] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.143639] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 34.152289] INFO: lockdep is turned off. <4>[ 34.156957] irq event stamp: 0 <4>[ 34.160676] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.167966] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.177394] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.186823] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.194113] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 34.202956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.210053] Call Trace: <4>[ 34.213073] dump_stack+0x77/0x9b <4>[ 34.217065] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.221929] exit_signals+0x1c/0x300 <4>[ 34.226201] do_exit+0xc2/0xab0 <4>[ 34.229988] ? ksys_write+0x68/0xf0 <4>[ 34.234170] make_task_dead+0x2f/0x30 <4>[ 34.238548] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.244091] RIP: 0033:0x7fc86369f473 <4>[ 34.248370] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 34.269670] RSP: 002b:00007ffd8c248be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.278420] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc86369f473 <4>[ 34.286683] RDX: 000000000000000a RSI: 00007fc863593000 RDI: 0000000000000001 <4>[ 34.294945] RBP: 00007fc863593000 R08: 00007fc863592010 R09: 0000000000000000 <4>[ 34.303207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.311467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.566660] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 32.625668] CPU: 3 PID: 676 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 32.634524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.647833] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 32.652990] 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 a0 64 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 # [ 32.674268] RSP: 0018:ffffbf74413b7e60 EFLAGS: 00010202 # [ 32.680399] RAX: ffffffffa797b820 RBX: 0000000000000002 RCX: 0000000000000000 # [ 32.694878] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80c0 # [ 32.703172] RBP: ffffffffa8f821bf R08: 0000000000000000 R09: 0000000000000000 # [ 32.711438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 32.719715] R13: ffffbf74413b7f10 R14: ffffbf74413b7f10 R15: ffffa26a0406a000 # [ 32.728010] FS: 00007f92c90e3580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 32.737366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.744092] CR2: 00007f92c8eed000 CR3: 0000000102edc005 CR4: 00000000003706e0 # [ 32.758563] Call Trace: # [ 32.761589] ? __warn+0x80/0x110 # [ 32.765510] ? lkdtm_WARNING+0x13/0x20 # [ 32.776197] ? report_bug+0x9e/0xc0 # [ 32.780408] ? handle_bug+0x41/0x90 # [ 32.784594] ? exc_invalid_op+0x14/0x70 # [ 32.789169] ? asm_exc_invalid_op+0x12/0x20 # [ 32.794133] ? lkdtm_BUG+0x10/0x10 # [ 32.798247] ? lkdtm_WARNING+0x13/0x20 # [ 32.802749] direct_entry.cold+0x2c/0x38 # [ 32.807425] full_proxy_write+0x53/0x80 # [ 32.812033] vfs_write+0xe7/0x3b0 # [ 32.816050] ksys_write+0x68/0xf0 # [ 32.820067] do_syscall_64+0x30/0x40 # [ 32.824374] entry_SYS<6>[ 34.548472] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 34.556259] lkdtm: attempting good list addition <6>[ 34.561741] lkdtm: attempting corrupted list addition <3>[ 34.567705] lkdtm: list_add() corruption not detected! CALL_64_after_hwframe+0x62/0xc7 # [ 32.830308] RIP: 0033:0x7f92c8ff9473 # [ 32.834591] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.855868] RSP: 002b:00007fffa887e568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.864620] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f92c8ff9473 # [ 32.872883] RDX: 0000000000000008 RSI: 00007f92c8eed000 RDI: 0000000000000001 # [ 32.881148] RBP: 00007f92c8eed000 R08: 00007f92c8eec010 R09: 0000000000000000 # [ 32.889413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.897678] R13: 0000000000000001 R14: 00000<6>[ 34.647256] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 34.654894] lkdtm: attempting good list removal <6>[ 34.660277] lkdtm: attempting corrupted list removal 00000020000 R15: 0000000000020000 # [ 32.905948] irq event st<3>[ 34.666117] lkdtm: list_del() corruption not detected! amp: 0 # [ 32.909675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.923179] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.932611] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 32.942042] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.949335] ---[ end trace b27dfb9cdcf5d061 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.042892] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.054439] ------------[ cut here ]------------ # [ 33.066105] Warning message trigger count: 2 # [ 33.077418] WARNING: CPU: 2 PID: 712 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.094094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify corebo<6>[ 34.801108] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 34.809960] lkdtm: attempting bad read from page below current stack <0>[ 34.817386] BUG: stack guard page was hit at 0000000049f1a4f5 (stack is 00000000f00c35c9..00000000645b8143) <4>[ 34.828594] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 34.835691] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 34.844536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.851634] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 34.858441] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 c0 2a f8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0a df fb ff 48 c7 c7 00 2b f8 a8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f0 de fb ff 0f 1f 44 <4>[ 34.879730] RSP: 0018:ffffbf744184fe50 EFLAGS: 00010246 <4>[ 34.885855] RAX: 0000000000000038 RBX: ffffbf744184c000 RCX: 0000000000000000 <4>[ 34.894115] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffffffa8f82b00 <4>[ 34.902378] RBP: ffffffffa8f8222a R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.910641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 34.918903] R13: ffffbf744184ff10 R14: ffffbf744184ff10 R15: ffffa26a0271f000 <4>[ 34.927164] FS: 00007fd62932b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 34.936495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.943200] CR2: ffffbf744184bfff CR3: 0000000104050003 CR4: 00000000003706e0 <4>[ 34.951462] Call Trace: <4>[ 34.954479] <#DF> <4>[ 34.957012] ? __die_body.cold+0x1a/0x1f <4>[ 34.961683] ? die+0x2b/0x50 <4>[ 34.965185] ? handle_stack_overflow+0x3e/0x4d <4>[ 34.970437] ? no_context+0x24d/0x380 <4>[ 34.974814] <4>[ 34.977443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore ot_table cros_kbd_led_backlight chromeos_pstore # [ 33.153066<4>[ 35.030232] ---[ end trace b27dfb9cdcf5d064 ]--- <4>[ 35.041890] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.046558] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 35.067836] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 35.073961] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.082221] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 35.090482] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.098744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.107004] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 35.115265] FS: 00007fd62932b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 35.124593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.131300] CR2: ffffbf744184bfff CR3: 0000000104050003 CR4: 00000000003706e0 <3>[ 35.139561] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.149766] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat <4>[ 35.158416] INFO: lockdep is turned off. <4>[ 35.163084] irq event stamp: 0 <4>[ 35.166779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.174070] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.183497] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.192925] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.200216] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 35.209059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.216156] Call Trace: <4>[ 35.219175] dump_stack+0x77/0x9b <4>[ 35.223166] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.228030] exit_signals+0x1c/0x300 <4>[ 35.232310] do_exit+0xc2/0xab0 <4>[ 35.236106] ? ksys_write+0x68/0xf0 <4>[ 35.240289] make_task_dead+0x2f/0x30 <4>[ 35.244673] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.250215] RIP: 0033:0x7fd629241473 <4>[ 35.254496] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 35.275772] RSP: 002b:00007ffea7884ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.284512] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd629241473 <4>[ 35.292768] RDX: 0000000000000019 RSI: 00007fd629135000 RDI: 0000000000000001 <4>[ 35.301030] RBP: 00007fd629135000 R08: 00007fd629134010 R09: 0000000000000000 <4>[ 35.309291] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.317552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] CPU: 2 PID: 712 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 33.168127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.175230] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.187376] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 64 0b 03 48 c7 c7 20 27 f8 a8 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 33.208678] RSP: 0018:ffffbf7441437e60 EFLAGS: 00010286 # [ 33.221016] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 33.229282] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 33.243757] RBP: ffffffffa8f821c7 R08: 0000000000000000 R09: 0000000000000000 # [ 33.258240] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.266506] R13: ffffbf7441437f10 R14: ffffbf7441437f10 R15: ffffa26a02f6c000 # [ 33.280981] FS: 00007fca9355b580(0000) GS:ffffa<6>[ 35.414521] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 26a7ad00000(0000) knlGS:0000000000000000 # [ 33.290342] CS: <6>[ 35.426482] lkdtm: attempting bad read from page above current stack 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.303243] C<0>[ 35.440084] BUG: stack guard page was hit at 00000000d1ab73c8 (stack is 0000000024e89ac7..00000000836ca005) <4>[ 35.457471] kernel stack overflow (page fault): 0000 [#4] SMP PTI R2: 00007fca93365000 CR3: 00000001036bc001 CR4: 00000000003706e0<4>[ 35.464571] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 35.479727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <# [ 33.317726] Call Trace: # [ 33.320751] ? __warn+0x80/4>[ 35.486827] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 35.499949] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 38 2b f8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d0 de fb ff 48 c7 c7 78 2b f8 a8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b3 de fb ff <4>[ 35.521228] RSP: 0018:ffffbf74418d7e50 EFLAGS: 00010246 <4>[ 35.527345] RAX: 0000000000000038 RBX: ffffbf74418d4000 RCX: 0000000000000000 <4>[ 35.535607] RDX: 0000000000000000 RSI: ffffa26a7ad1bf50 RDI: ffffffffa8f82b78 <4>[ 35.543867] RBP: ffffffffa8f82243 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.552129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 35.560389] R13: ffffbf74418d7f10 R14: ffffbf74418d7f10 R15: ffffa26a02e8a000 <4>[ 35.568671] FS: 00007f1389964580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 35.578001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.584708] CR2: ffffbf74418d8000 CR3: 0000000102c04001 CR4: 00000000003706e0 <4>[ 35.592968] Call Trace: <4>[ 35.595985] <#DF> <4>[ 35.598521] ? __die_body.cold+0x1a/0x1f 0x110 # [ 33.330859] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ <4>[ 35.603193] ? die+0x2b/0x50 <4>[ 35.612908] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.618160] ? no_context+0x24d/0x380 <4>[ 35.622527] 33.336115] ? report_bug+0x9e/0xc0 # [ 33.346512] ? handle<4>[ 35.625154] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 35.684126] ---[ end trace b27dfb9cdcf5d065 ]--- _bug+0x41/0x90 # [ 33.356911] ? exc_invalid_op+0x14/0x70 # <4>[ 35.689574] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.700455] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 35.721731] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 35.727856] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.736116] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 35.744376] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.752638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.760900] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 35.769153] FS: 00007f1389964580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 35.778483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.785189] CR2: ffffbf74418d8000 CR3: 0000000102c04001 CR4: 00000000003706e0 [ 33.361511] ? asm_exc_invalid_op+0x12/0x20 # [ 33.372689] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.384158] direct_entry.cold+0x2c/0x38 # [ 33.395049] full_proxy_write+0x53/0x80 # [ 33.405841] vfs_write+0xe7/0x3b0 # [ 33.416048] ksys_write+0x68/0xf0 # [ 33.420043] do_syscall_64+0x30/0x40 # [ 33.430535] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.436471] RIP: 0033:0x7fca93471473 # [ 33.446964] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.468246] RSP: 002b:00007ffd333b4e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.483209] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fca93471473 # [ 33.491475] RDX:<6>[ 35.873272] lkdtm: Performing direct entry UNSET_SMEP <6>[ 35.880191] lkdtm: trying to clear SMEP normally <4>[ 35.885649] ------------[ cut here ]------------ <4>[ 35.891101] pinned CR4 bits changed: 0x100000!? <4>[ 35.896475] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 0000000000000010 RSI: 00007fca93365000 RDI: 0000000000000001 #<4>[ 35.906981] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore [ 33.499740] RBP: 00007fca93365000 R08: 00007fca93364010 R09:<4>[ 35.965943] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.201-cip41 #1 0000000000000000 # [ 33.508008] R10: fffffffffffffbc5 R11: 0<4>[ 35.981103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000246 R12: 0000000000000001 # [ 33.522495] R13: 000<4>[ 35.994423] RIP: 0010:native_write_cr4+0x45/0x60 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 36.006087] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 5e 66 02 00 75 f2 48 c7 c7 38 ff e7 a8 c6 05 68 5e 66 02 01 e8 75 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 33.536993] irq event stamp: 0 # [ 33.546888] hardirqs last <4>[ 36.033584] RSP: 0018:ffffbf7441957e48 EFLAGS: 00010286 <4>[ 36.045927] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 enabled at (0): [<0000000000000000>] 0x0 # [ 33.560400] hardi<4>[ 36.054193] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 rqs last disabled at (0): [] copy_process+0x65<4>[ 36.068669] RBP: ffffffffa8f8225d R08: 0000000000000000 R09: 0000000000000000 c/0x20e0 # [ 33.576048] softirqs last enabled at (0): [[ 36.083148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b ffffa6efd6cc>] copy_process+0x65c/0x20e0 # [ 33.585481] softi<4>[ 36.097635] R13: ffffbf7441957f10 R14: ffffbf7441957f10 R15: ffffa26a02c41000 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.598<4>[ 36.112115] FS: 00007f201d3cd580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 986] ---[ end trace b27dfb9cdcf5d062 ]--- # WARNING_MESSAGE: sa<4>[ 36.127663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 w 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.<4>[ 36.140595] CR2: 00007f201d1d7000 CR3: 0000000102c04003 CR4: 00000000003706e0 sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 33.679336]<4>[ 36.155073] Call Trace: lkdtm: Performing direct entry EXCEPTION # [ 33.691081] BUG:<4>[ 36.164320] ? __warn+0x80/0x110 kernel NULL pointer dereference, address: 0000000000000000 # [<4>[ 36.174425] ? native_write_cr4+0x45/0x60 33.699154] #PF: supervisor write access in kernel mode # [ <4>[ 36.185415] ? report_bug+0x9e/0xc0 33.705279] #PF: error_code(0x0002) - not-present page # [ 33<4>[ 36.195819] ? handle_bug+0x41/0x90 .711305] PGD 0 P4D 0 # [ 33.714422] Oops: 0002 [#2] SMP PTI <4>[ 36.206221] ? exc_invalid_op+0x14/0x70 # [ 33.718595] CPU: 1 PID: 746 Comm: cat Tainted: G D W <4>[ 36.217013] ? asm_exc_invalid_op+0x12/0x20 5.10.201-cip41 #1 # [ 33.727439] Hardware name: Googl<4>[ 36.217020] ? native_write_cr4+0x45/0x60 <4>[ 36.239177] ? native_write_cr4+0x45/0x60 e Rammus/Rammus, BIOS 09/04/2020 # [ 33.734537] RIP: 0010:lk<4>[ 36.243949] lkdtm_UNSET_SMEP.cold+0x1d/0x103 dtm_EXCEPTION+0x5/0x20 # [ 33.739788] Code: 48 c7 c7 20 27 f8<4>[ 36.255320] direct_entry.cold+0x2c/0x38 a8 8d 70 01 89 35 71 64 0b 03 e8 8a ae 69 00 0f 0b c3 cc cc cc <4>[ 36.266208] full_proxy_write+0x53/0x80 cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00<4>[ 36.277000] vfs_write+0xe7/0x3b0 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 33.76106<4>[ 36.287208] ksys_write+0x68/0xf0 6] RSP: 0018:ffffbf74414dfe60 EFLAGS: 00010282 # [ 33.767183]<4>[ 36.297419] do_syscall_64+0x30/0x40 RAX: ffffffffa797b870 RBX: 0000000000000004 RCX: 00000000000000<4>[ 36.307914] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 # [ 33.775446] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50<4>[ 36.320071] RIP: 0033:0x7f201d2e3473 RDI: ffffffffa8af80e0 # [ 33.783724] RBP: ffffffffa8e75e97 R<4>[ 36.330569] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 08: 0000000000000000 R09: 0000000000000000 # [ 33.791986] R10<4>[ 36.358067] RSP: 002b:00007ffc863a3608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.373037] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f201d2e3473 # [ 33.800249] R13: ffffbf74414dff10 R14: ffffbf74414dff10 R15<4>[ 36.387519] RDX: 000000000000000b RSI: 00007f201d1d7000 RDI: 0000000000000001 <4>[ 36.401997] RBP: 00007f201d1d7000 R08: 00007f201d1d6010 R09: 0000000000000000 : ffffa26a05a03000 # [ 33.808512] FS: 00007fc863789580(0000)<4>[ 36.410266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.424742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 36.433014] irq event stamp: 0 <4>[ 36.436722] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.444017] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.453451] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.462882] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.470176] ---[ end trace b27dfb9cdcf5d066 ]--- <6>[ 36.475625] lkdtm: ok: SMEP did not get cleared <6>[ 36.480975] lkdtm: trying to clear SMEP with call gadget <6>[ 36.487201] lkdtm: ok: SMEP removal was reverted GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 33.817834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.824542] CR2: 0000000000000000 CR3: 0000000102c1e001 CR4: 00000000003706e0 # [ 33.832802] Call Trace: # [ 33.835822] ? __die_body.cold+0x1a/0x1f # [ 33.840492] ? no_context+0x177/0x380 # [ 33.844873] ? exc_page_fault+0x53/0x170 # [ 33.849543] ? asm_exc_page_fault+0x1e/0x30 # [ 33.854504] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 33.859756] ? lkdtm_EXCEPTION+0x5/0x20 # [ 33.864319] direct_entry.cold+0x2c/0x38 # [ 33.868988] full_proxy_write+0x53/0x80 # [ 33.873551] vfs_write+0xe7/0x3b0 # [ 33.877532] ksys_write+0x68/0xf0 # [ 33.881522] do_syscall_64+0x30/0x40 # [ 33.885795] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.891727] RIP: 0033:0x7fc86369f473 # [ 33.896005] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 4<6>[ 36.576477] lkdtm: Performing direct entry DOUBLE_FAULT 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0<3>[ 36.585811] lkdtm: XFAIL: this test is ia32-only 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.917282] RSP: 002b:00007ffd8c248be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.926022] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc86369f473 # [ 33.934285] RDX: 000000000000000a RSI: 00007fc863593000 RDI: 0000000000000001 # [ 33.942547] RBP: 00007fc863593000 R08: 00007fc863592010 R09: 0000000000000000 # [ 33.950809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.959071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.967336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 34.026335] CR2: 0000000000000000 # [ 34.030316] ---[ end tr<6>[ 36.714923] lkdtm: Performing direct entry CORRUPT_PAC ace b27dfb9cdcf5d063 ]--- # [ 34.035762] RIP: 0010:lkdtm_BUG+<3>[ 36.721584] lkdtm: XFAIL: this test is arm64-only 0x5/0x10 # [ 34.040430] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 34.061707] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 34.067824] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.076085] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 34.084349] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 34.092611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.100873] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 34.109135] FS: 00007fc863789580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 34.118467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.125173] CR2: 0000000000000000 CR3: 0000000102c1e001 CR4: 00000000003706e0 # [ 34.133435] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.143639] in_atomic(<6>[ 36.836006] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 36.846504] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat # [ 34.152289] INFO: lockdep is turned off. # [ 34.156957] irq event stamp: 0 # [ 34.160676] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.167966] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.177394] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.186823] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.194113] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 34.202956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.210053] Call Trace: # [ 34.213073] dump_stack+0x77/0x9b # [ 34.217065] ___might_sleep.cold+0xa6/0xb6 # [ 34.221929] exit_signals+0x1c/0x300 # [ 34.226201] do_exit+0xc2/0xab0 # [ 34.229988] ? ksys_write+0x68/0xf0 # [ 34.234170] make_task_dead+0x2f/0x30 # [ 34.238548] rewind_stack_and_make_dead+0x17/0x20 # [ 34.244091] RIP: 0033:0x7fc86369f473 # [ 34.248370] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.269670] RSP: 002b:00007ffd8c248be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.278420] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 000<6>[ 36.988867] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 36.997588] lkdtm: Value in memory before free: 12345678 <6>[ 37.003816] lkdtm: Attempting bad read from freed memory <6>[ 37.010071] lkdtm: Memory was not poisoned 07fc86369f473 # [ 34.286683] RDX: 000000000000000a RSI: 00007fc863593000 RDI: 0000000000000001 # [ 34.294945] RBP: 00007fc863593000 R08: 00007fc863592010 R09: 0000000000000000 # [ 34.303207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.311467] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 34.548472] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 34.556259] lkdtm: attempting good list addition # [ 34.5<6>[ 37.125661] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 61741] lkdtm: attempting corrupted list addition # [ 34.56770<6>[ 37.133927] lkdtm: Value in memory before free: 12345678 5] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_AD<6>[ 37.146361] lkdtm: Attempting to read from freed memory D: missing 'list_add corruption': [FAIL] not ok 10 selftests: l<6>[ 37.158714] lkdtm: Buddy page was not poisoned kdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 34.647256] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 34.654894] lkdtm: attempting good list removal # [ 34.660277] lkdtm: attempting corrupted list removal # [ 34.666117] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 34.801108] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 34.809960] lkdtm: attempting bad read from page below current stack # [ 34.817386] BUG: stack guard page was hit at 0000000049f1a4f5 (stack is 00000000f00c35c9..00000000645b8143) # [ 34.828594] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 34.835691] CPU: 1 PID: 978 Comm: cat Tainted: G <6>[ 37.256179] lkdtm: Performing direct entry SLAB_FREE_DOUBLE D W 5.10.201-cip41 #1 # [ 34.844536] Hardware name<6>[ 37.263685] lkdtm: Attempting double slab free ... : Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.851634] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 34.858441] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 c0 2a f8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0a df fb ff 48 c7 c7 00 2b f8 a8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f0 de fb ff 0f 1f 44 # [ 34.879730] RSP: 0018:ffffbf744184fe50 EFLAGS: 00010246 # [ 34.885855] RAX: 0000000000000038 RBX: ffffbf744184c000 RCX: 0000000000000000 # [ 34.894115] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffffffa8f82b00 # [ 34.902378] RBP: ffffffffa8f8222a R08: 0000000000000000 R09: 0000000000000000 # [ 34.910641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 34.918903] R13: ffffbf744184ff10 R14: ffffbf744184ff10 R15: ffffa26a0271f000 # [ 34.927164] FS: <6>[ 37.354631] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 37.362809] lkdtm: Attempting cross-cache slab free ... 00007fd62932b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 34.936495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.943200] CR2: ffffbf744184bfff CR3: 0000000104050003 CR4: 00000000003706e0 # [ 34.951462] Call Trace: # [ 34.954479] <#DF> # [ 34.957012] ? __die_body.cold+0x1a/0x1f # [ 34.961683] ? die+0x2b/0x50 # [ 34.965185] ? handle_stack_overflow+0x3e/0x4d # [ 34.970437] ? no_context+0x24d/0x380 # [ 34.974814] # [ 34.977443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_<6>[ 37.447379] lkdtm: Performing direct entry SLAB_FREE_PAGE v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf<6>[ 37.456121] lkdtm: Attempting non-Slab slab free ... 2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 35.030232] ---[ end trace b27dfb9cdcf5d064 ]--- # [ 35.041890] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.046558] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 35.067836] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 35.073961] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.082221] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 35.090482] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 35.098744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.107004] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 35.115265] FS: 00007fd62932b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 35.124593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.131300] CR2: ffffbf744184bfff CR3: 0000000104050003 CR4: 00000000003706e0 # [ 35.139561] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.149766] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 35.158416] INFO: lockdep is turned off. # [ 35.163084] irq event stamp: 0 # [ 35.166779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.174070] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.183497] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.192925] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.200216] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 35.209059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.216156] Call Trace: # [ 35.219175] dump_stack+0x77/0x9b # [ 35.223166] ___might_sleep.cold+0xa6/0xb6 # [ 35.228030] exit_signals+0x1c/0x300 # [ 35.232310] do_exit+0xc2/0xab0 # [ 35.236106] ? ksys_write+0x68/0xf0 # [ 35.240289] make_task_dead+0x2f/0<6>[ 37.681220] lkdtm: Performing direct entry EXEC_DATA <6>[ 37.691541] lkdtm: attempting ok execution at ffffffffa797bbe0 x30 # [ 35.244673] rewind_stack_and_make_dead+0x17/0x20 # [<6>[ 37.698364] lkdtm: attempting bad execution at ffffffffaaa31d00 <2>[ 37.711478] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 35.250215] RIP: 0033:0x7fd629241473 # [ 35.254496] Code: 8<1>[ 37.720153] BUG: unable to handle page fault for address: ffffffffaaa31d00 <1>[ 37.734337] #PF: supervisor instruction fetch in kernel mode <1>[ 37.740950] #PF: error_code(0x0011) - permissions violation <6>[ 37.747465] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 8000000145c000e3 <4>[ 37.755534] Oops: 0011 [#5] SMP PTI <4>[ 37.759730] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 37.768674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.775773] RIP: 0010:data_area+0x0/0x40 <4>[ 37.780440] Code: ff ff 00 03 28 00 6a a2 ff ff 00 02 28 00 6a a2 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 37.801731] RSP: 0018:ffffbf744214fe48 EFLAGS: 00010246 <4>[ 37.807856] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.816117] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 37.824379] RBP: ffffffffaaa31d00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.832641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 37.840926] R13: ffffbf744214ff10 R14: ffffbf744214ff10 R15: ffffa26a06426000 <4>[ 37.849188] FS: 00007f889b241580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 37.858518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.865226] CR2: ffffffffaaa31d00 CR3: 00000001029aa003 CR4: 00000000003706e0 <4>[ 37.873487] Call Trace: <4>[ 37.876508] ? __die_body.cold+0x1a/0x1f <4>[ 37.881178] ? no_context+0x177/0x380 <4>[ 37.885559] ? exc_page_fault+0xd7/0x170 <4>[ 37.890228] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.895185] ? execute_location+0x45/0x56 <4>[ 37.899951] ? direct_entry.cold+0x2c/0x38 <4>[ 37.904816] ? full_proxy_write+0x53/0x80 <4>[ 37.909582] ? vfs_write+0xe7/0x3b0 <4>[ 37.913767] ? ksys_write+0x68/0xf0 <4>[ 37.917951] ? do_syscall_64+0x30/0x40 <4>[ 37.922426] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[ 37.928553] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 37.987550] CR2: ffffffffaaa31d00 <4>[ 37.991540] ---[ end trace b27dfb9cdcf5d067 ]--- <4>[ 37.996978] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.001664] Code: 89 ff e8 6e d9 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 a0 64 0b 03 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48<4>[ 38.022939] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 38.035278] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.043538] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 38.051798] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.060060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.068320] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 38.076581] FS: 00007f889b241580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 38.085910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.092618] CR2: ffffffffaaa31d00 CR3: 00000001029aa003 CR4: 00000000003706e0 <3>[ 38.100880] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.111072] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat <4>[ 38.119819] INFO: lockdep is turned off. <4>[ 38.124488] irq event stamp: 0 <4>[ 38.128186] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.135468] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.144893] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.154319] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.161610] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 38.170550] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.177661] Call Trace: > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18<4>[ 38.180690] dump_stack+0x77/0x9b <4>[ 38.190891] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.195755] exit_signals+0x1c/0x300 <4>[ 38.200036] do_exit+0xc2/0xab0 <4>[ 38.203831] ? ksys_write+0x68/0xf0 <4>[ 38.208013] make_task_dead+0x2f/0x30 <4>[ 38.212390] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.217932] RIP: 0033:0x7f889b157473 <4>[ 38.222203] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 38.243478] RSP: 002b:00007ffc2db96dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.252225] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f889b157473 <4>[ 38.260485] RDX: 000000000000000a RSI: 00007f889b04b000 RDI: 0000000000000001 <4>[ 38.268747] RBP: 00007f889b04b000 R08: 00007f889b04a010 R09: 0000000000000000 <4>[ 38.277006] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.285267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.275772] RSP: 002b:00007ffea7884ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.284512] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd629241473 # [ 35.292768] RDX: 0000000000000019 RSI: 00007fd629135000 RDI: 0000000000000001 # [ 35.301030] RBP: 00007fd629135000 R08: 00007fd629134010 R09: 0000000000000000 # [ 35.309291] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.317552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 35.414521] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 35.426482] lkdtm: attempting bad read from page above current stack # [ 35.440084] BUG: stack guard page was hit at 00000000d1ab73c8 (stack is 0000000024e89ac7..00000000836ca005) # [ 35.457471] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 35.464571] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 35.479727] Hardware name: Google<6>[ 38.403440] lkdtm: Performing direct entry EXEC_STACK <6>[ 38.411374] lkdtm: attempting ok execution at ffffffffa797bbe0 <6>[ 38.418236] lkdtm: attempting bad execution at ffffbf7442207e18 Rammus/Rammus, BIOS 09/04/2020 # [ 35.486827] RIP: 0010:lkd<2>[ 38.425154] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.440012] BUG: unable to handle page fault for address: ffffbf7442207e18 <1>[ 38.447984] #PF: supervisor instruction fetch in kernel mode <1>[ 38.454595] #PF: error_code(0x0011) - permissions violation tm<_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 35.499949] Code: d6>[ 38.461109] PGD 100000067 P4D 100000067 PUD 100244067 PMD 1061bf067 PTE 80000001033b6063 <4>[ 38.476661] Oops: 0011 [#6] SMP PTI <4>[ 38.480844] CPU: 1 PID: 1609 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 38.489776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.496874] RIP: 0010:0xffffbf7442207e18 <4>[ 38.501542] Code: 00 00 18 7e 20 42 74 bf ff ff 0f e6 05 a8 ff ff ff ff 20 00 00 00 00 00 00 00 86 23 f8 a8 ff ff ff ff 3e e7 05 a8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 38.522810] RSP: 0018:ffffbf7442207df8 EFLAGS: 00010246 <4>[ 38.528927] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.537187] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 38.545448] RBP: ffffbf7442207e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.553724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 38.561983] R13: ffffbf7442207f10 R14: ffffbf7442207f10 R15: ffffa26a0275c000 <4>[ 38.570244] FS: 00007f3a52862580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 38.579572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.586279] CR2: ffffbf7442207e18 CR3: 000000010276a004 CR4: 00000000003706e0 <4>[ 38.594540] Call Trace: <4>[ 38.597561] ? __die_body.cold+0x1a/0x1f <4>[ 38.602230] ? no_context+0x177/0x380 <4>[ 38.606608] ? exc_page_fault+0xd7/0x170 <4>[ 38.611278] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.616241] ? execute_location+0x45/0x56 <4>[ 38.621007] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 38.625773] ? direct_entry.cold+0x2c/0x38 <4>[ 38.630636] ? full_proxy_write+0x53/0x80 <4>[ 38.635403] ? vfs_write+0xe7/0x3b0 <4>[ 38.639578] ? ksys_write+0x68/0xf0 <4>[ 38.643753] ? do_syscall_64+0x30/0x40 <4>[ 38.648227] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 e fb ff 0f 1f 44 00 00 53 48 c7 c7 38 2b f8 a8 50 65 48 8b 04 25<4>[ 38.654354] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 38.713341] CR2: ffffbf7442207e18 <4>[ 38.717331] ---[ end trace b27dfb9cdcf5d068 ]--- <4>[ 38.722777] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.727444] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 38.748724] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 38.754848] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.763109] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 38.771370] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.779632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.787892] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 38.796152] FS: 00007f3a52862580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 38.805481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.812190] CR2: ffffbf7442207e18 CR3: 000000010276a004 CR4: 00000000003706e0 40 b0 01 00 48 8b 58 18 e8 d0 de fb ff 48 c7 c7 78 2b f8 a8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 b3 de fb ff # [ 35.521228] RSP: 0018:ffffbf74418d7e50 EFLAGS: 00010246 # [ 35.527345] RAX: 0000000000000038 RBX: ffffbf74418d4000 RCX: 0000000000000000 # [ 35.535607] RDX: 0000000000000000 RSI: ffffa26a7ad1bf50 RDI: ffffffffa8f82b78 # [ 35.543867] RBP: ffffffffa8f82243 R08: 0000000000000000 R09: 0000000000000000 # [ 35.552129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 35.560389] R13: ffffbf74418d7f10 R14: ffffbf74418d7f10 R15: ffffa26a02e8a000 # [ 35.568671] FS: 00007f1389964580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 35.578001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.584708] CR2: ffffbf74418d8000 CR3: 0000000102c04001 CR4: 00000000003706e0 # [ 35.592968] Call Trace: # [ 35.595985] <#DF> # [ 35.598521] ? __die_body.cold+0x1a/0x1f # [ 35.603193] ? die+0x2b/0x50 # [ 35.612908] ? handle_stack_overflow+0x3e/0x4d # [ 35.618160] ? no_context+0x24d/0x<6>[ 38.922723] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 38.932304] lkdtm: attempting ok execution at ffffffffa797bbe0 <6>[ 38.939151] lkdtm: attempting bad execution at ffffa26a0400ea80 <2>[ 38.946092] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.954757] BUG: unable to handle page fault for address: ffffa26a0400ea80 380 # [ 35.622527] # [ 35.625154] Modules linked i<1>[ 38.962730] #PF: supervisor instruction fetch in kernel mode <1>[ 38.975554] #PF: error_code(0x0011) - permissions violation n:< fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sens6>[ 38.982069] PGD 145e01067 P4D 145e01067 PUD 100841063 PMD 10409b063 PTE 800000010400e063 <4>[ 38.997622] Oops: 0011 [#7] SMP PTI <4>[ 39.001804] CPU: 1 PID: 1646 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 39.010744] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.017842] RIP: 0010:0xffffa26a0400ea80 <4>[ 39.022509] Code: 00 00 02 00 00 00 00 00 00 00 00 ed 00 04 6a a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 ef a6 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 39.043783] RSP: 0018:ffffbf74422a7e38 EFLAGS: 00010246 <4>[ 39.049907] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.058168] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 39.066429] RBP: ffffa26a0400ea80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.074690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.082951] R13: ffffbf74422a7f10 R14: ffffbf74422a7f10 R15: ffffa26a032ce000 <4>[ 39.091213] FS: 00007f12cfcbb580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 39.100543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.107252] CR2: ffffa26a0400ea80 CR3: 0000000102d9c003 CR4: 00000000003706e0 <4>[ 39.115511] Call Trace: <4>[ 39.118532] ? __die_body.cold+0x1a/0x1f <4>[ 39.123201] ? no_context+0x177/0x380 <4>[ 39.127581] ? exc_page_fault+0xd7/0x170 <4>[ 39.132249] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.137214] ? execute_location+0x45/0x56 <4>[ 39.141979] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 39.146929] ? direct_entry.cold+0x2c/0x38 <4>[ 39.151793] ? full_proxy_write+0x53/0x80 <4>[ 39.156560] ? vfs_write+0xe7/0x3b0 <4>[ 39.160744] ? ksys_write+0x68/0xf0 <4>[ 39.164928] ? do_syscall_64+0x30/0x40 <4>[ 39.169402] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ors_core industrialio_triggered_buffer kfifo_buf industrialio uv<4>[ 39.175519] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 39.234514] CR2: ffffa26a0400ea80 <4>[ 39.238503] ---[ end trace b27dfb9cdcf5d069 ]--- <4>[ 39.243949] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.248616] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 39.269891] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 39.276016] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.284275] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 39.292535] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.300794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.309054] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 39.317315] FS: 00007f12cfcbb580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 39.326643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.333375] CR2: ffffa26a0400ea80 CR3: 0000000102d9c003 CR4: 00000000003706e0 <3>[ 39.341636] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.351839] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat <4>[ 39.360585] INFO: lockdep is turned off. <4>[ 39.365251] irq event stamp: 0 <4>[ 39.368948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.376239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.385672] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.395098] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.402388] CPU: 1 PID: 1646 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 39.411329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.418424] Call Trace: <4>[ 39.421443] dump_stack+0x77/0x9b <4>[ 39.425433] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.430297] exit_signals+0x1c/0x300 <4>[ 39.434569] do_exit+0xc2/0xab0 <4>[ 39.438363] ? ksys_write+0x68/0xf0 <4>[ 39.442547] make_task_dead+0x2f/0x30 <4>[ 39.446923] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.452466] RIP: 0033:0x7f12cfbd1473 <4>[ 39.456744] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.478018] RSP: 002b:00007ffdfddb1ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.486763] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f12cfbd1473 <4>[ 39.495024] RDX: 000000000000000d RSI: 00007f12cfac5000 RDI: 0000000000000001 <4>[ 39.503285] RBP: 00007f12cfac5000 R08: 00007f12cfac4010 R09: 0000000000000000 <4>[ 39.511543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.519803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 35.684126] ---[ end trace b27dfb9cdcf5d065 ]--- # [ 35.689574] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.700455] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 35.721731] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 35.727856] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.736116] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 35.744376] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 35.752638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.760900] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 35.769153] FS: 00007f1389964580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 35.778483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.785189] CR2: ffffbf74418d8000 CR3: 0000000102c04001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 35.873272] lkdtm: Performing direct entry UNSET_SMEP # [ 35.880191] lkdtm: trying to<6>[ 39.688448] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 39.695840] lkdtm: attempting ok execution at ffffffffa797bbe0 clear SMEP normally # [ 35.885649] ------------[ cut here ]-<6>[ 39.702675] lkdtm: attempting bad execution at ffffbf7440355000 <2>[ 39.715795] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.724451] BUG: unable to handle page fault for address: ffffbf7440355000 <1>[ 39.732422] #PF: supervisor instruction fetch in kernel mode <1>[ 39.739034] #PF: error_code(0x0011) - permissions violation <6>[ 39.745546] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a0e067 PTE 8000000102b4f063 <4>[ 39.754878] Oops: 0011 [#8] SMP PTI <4>[ 39.759059] CPU: 1 PID: 1683 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 39.767997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.775094] RIP: 0010:0xffffbf7440355000 <4>[ 39.779763] Code: Unable to access opcode bytes at RIP 0xffffbf7440354fd6. <4>[ 39.787732] RSP: 0018:ffffbf7442357e38 EFLAGS: 00010246 <4>[ 39.793856] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.802118] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 39.810380] RBP: ffffbf7440355000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.818641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 39.826902] R13: ffffbf7442357f10 R14: ffffbf7442357f10 R15: ffffa26a02b4f000 <4>[ 39.835165] FS: 00007f498642f580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 39.844495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.851201] CR2: ffffbf7440354fd6 CR3: 00000001065fc001 CR4: 00000000003706e0 <4>[ 39.859460] Call Trace: <4>[ 39.862480] ? __die_body.cold+0x1a/0x1f <4>[ 39.867150] ? no_context+0x177/0x380 <4>[ 39.871529] ? exc_page_fault+0xd7/0x170 <4>[ 39.876197] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.881162] ? execute_location+0x45/0x56 <4>[ 39.885928] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 39.890887] ? direct_entry.cold+0x2c/0x38 <4>[ 39.895749] ? full_proxy_write+0x53/0x80 <4>[ 39.900508] ? vfs_write+0xe7/0x3b0 <4>[ 39.904692] ? ksys_write+0x68/0xf0 <4>[ 39.908874] ? do_syscall_64+0x30/0x40 <4>[ 39.913340] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ----------- # [ 35.891101] pinned CR4 bits changed: 0x100000!<4>[ 39.919470] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 39.978463] CR2: ffffbf7440355000 <4>[ 39.982452] ---[ end trace b27dfb9cdcf5d06a ]--- <4>[ 39.987890] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.992550] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 40.013845] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 40.019973] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.028234] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 40.036495] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.044756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.053017] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 40.061277] FS: 00007f498642f580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 40.070607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.077313] CR2: ffffbf7440354fd6 CR3: 00000001065fc001 CR4: 00000000003706e0 ? # [ 35.896475] WARNING: CPU: 3 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 35.906981] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 35.965943] CPU: 3 PID: 1049 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 35.981103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.994423] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.006087] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 5e 66 02 00 75 f2 48 c7 c7 38 ff e7 a8 c6 05 68 5e 66 02 01 e8 75 45 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <6>[ 40.190150] lkdtm: Performing direct entry EXEC_RODATA <6>[ 40.197299] lkdtm: attempting ok execution at ffffffffa797bbe0 <6>[ 40.204140] lkdtm: attempting bad execution at ffffffffa8af8540 <2>[ 40.211067] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.033584] RSP: 0018:ffffbf7441957e48 EFLAGS: 00010286 # <1>[ 40.219724] BUG: unable to handle page fault for address: ffffffffa8af8540 <1>[ 40.233911] #PF: supervisor instruction fetch in kernel mode <1>[ 40.240523] #PF: error_code(0x0011) - permissions violation <6>[ 40.247038] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 8000000143c000e1 [ 36.045927] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: <4>[ 40.255110] Oops: 0011 [#9] SMP PTI <4>[ 40.265509] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 40.274454] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.281555] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 40.287583] Code: ff ff ae fb 05 a8 ff ff ff ff d2 25 f8 a8 ff ff ff ff f4 e2 05 a8 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 40.308860] RSP: 0018:ffffbf74423efe48 EFLAGS: 00010246 <4>[ 40.314986] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 40.323247] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 <4>[ 40.331507] RBP: ffffffffa8af8540 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.339766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 40.348029] R13: ffffbf74423eff10 R14: ffffbf74423eff10 R15: ffffa26a059b7000 <4>[ 40.356290] FS: 00007f7a72d12580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 40.365619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.372327] CR2: ffffffffa8af8540 CR3: 0000000102c10003 CR4: 00000000003706e0 <4>[ 40.380588] Call Trace: <4>[ 40.383607] ? __die_body.cold+0x1a/0x1f <4>[ 40.388277] ? no_context+0x177/0x380 <4>[ 40.392679] ? exc_page_fault+0xd7/0x170 0000000000000000 # [ 36.054193] RDX: ffffa26a7adac620 RSI: ff<4>[ 40.397351] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.408527] ? execute_location+0x45/0x56 <4>[ 40.413291] ? direct_entry.cold+0x2c/0x38 <4>[ 40.418156] ? full_proxy_write+0x53/0x80 <4>[ 40.422923] ? vfs_write+0xe7/0x3b0 <4>[ 40.427106] ? ksys_write+0x68/0xf0 <4>[ 40.431289] ? do_syscall_64+0x30/0x40 <4>[ 40.435761] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 36.068669] RBP: ffff<4>[ 40.441888] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 40.500885] CR2: ffffffffa8af8540 <4>[ 40.504875] ---[ end trace b27dfb9cdcf5d06b ]--- <4>[ 40.510312] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.514981] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 40.536260] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 40.542385] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.550645] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 40.558931] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.567191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.575453] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 40.583727] FS: 00007f7a72d12580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 40.593055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.599763] CR2: ffffffffa8af8540 CR3: 0000000102c10003 CR4: 00000000003706e0 <3>[ 40.608025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.618228] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 40.626975] INFO: lockdep is turned off. <4>[ 40.631642] irq event stamp: 0 <4>[ 40.635338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.642630] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.652055] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.661482] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.668773] CPU: 3 PID: 1720 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 40.677705] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.684819] Call Trace: <4>[ 40.687838] dump_stack+0x77/0x9b <4>[ 40.691829] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.696694] exit_signals+0x1c/0x300 <4>[ 40.700974] do_exit+0xc2/0xab0 <4>[ 40.704770] ? ksys_write+0x68/0xf0 <4>[ 40.708955] make_task_dead+0x2f/0x30 <4>[ 40.713333] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.718875] RIP: 0033:0x7f7a72c28473 <4>[ 40.723155] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 40.744429] RSP: 002b:00007ffd94db07a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.753177] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7a72c28473 <4>[ 40.761436] RDX: 000000000000000c RSI: 00007f7a72b1c000 RDI: 0000000000000001 <4>[ 40.769698] RBP: 00007f7a72b1c000 R08: 00007f7a72b1b010 R09: 0000000000000000 <4>[ 40.777959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.786219] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffa8f8225d R08: 0000000000000000 R09: 0000000000000000 # [ 36.083148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.097635] R13: ffffbf7441957f10 R14: ffffbf7441957f10 R15: ffffa26a02c41000 # [ 36.112115] FS: 00007f201d3cd580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 36.127663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.140595] CR2: 00007f201d1d7000 CR3: 0000000102c04003 CR4: 00000000003706e0 # [ 36.155073] Call Trace: # [ 36.164320] ? __warn+0x80/0x110 # [ 36.174425] ? native_write_cr4+0x45/0x60 # [ 36.185415] ? report_bug+0x9e/0xc0 # [ 36.195819] ? handle_bug+0x41/0x90 # [ 36.206221] ? exc_invalid_op+0x14/0x70 # [ 36.217013] ? asm_exc_invalid_op+0x12/0x20 # [ 36.217020] ? native_write_cr4+0x45/0x60 # [ 36.239177] ? native_write_cr4+0x45/0x60 # [ 36.243949] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.255320] direct_entry.cold+0x2c/0x38 # [ 36.266208] full_proxy_write+0x53/0x80 # [ 36.277000] vfs_write+0xe7/0x3b0 # [ 36.287208] ksys_write+0x68/0xf0 # [ 36.297419] do_syscall_64+0x30/0x40 # [ 36.307914] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.320071] RIP: 0033:0x7f201d2e3473 # [ 36.330569] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77<6>[ 40.930323] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 40.937612] lkdtm: attempting ok execution at ffffffffa797bbe0 <6>[ 40.944459] lkdtm: attempting bad execution at 00007f299759a000 <2>[ 40.951391] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 40.958108] BUG: unable to handle page fault for address: 00007f299759a000 <1>[ 40.966082] #PF: supervisor instruction fetch in kernel mode <1>[ 40.972692] #PF: error_code(0x0011) - permissions violation <6>[ 40.979205] PGD 8000000106426067 P4D 8000000106426067 PUD 1052a4067 PMD 10607c067 PTE 107f2d067 <4>[ 40.989219] Oops: 0011 [#10] SMP PTI <4>[ 40.993498] CPU: 1 PID: 1757 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 41.002429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.009526] RIP: 0010:0x7f299759a000 <4>[ 41.013804] Code: Unable to access opcode bytes at RIP 0x7f2997599fd6. <4>[ 41.021384] RSP: 0018:ffffbf744246fe50 EFLAGS: 00010246 <4>[ 41.027509] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 41.035769] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 41.044030] RBP: 00007f299759a000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.052291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 41.060552] R13: ffffbf744246ff10 R14: ffffbf744246ff10 R15: ffffa26a06320000 <4>[ 41.068811] FS: 00007f299756b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 41.078141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.084848] CR2: 00007f299759a000 CR3: 0000000106170003 CR4: 00000000003706e0 <4>[ 41.093109] Call Trace: <4>[ 41.096129] ? __die_body.cold+0x1a/0x1f <4>[ 41.100798] ? no_context+0x177/0x380 <4>[ 41.105178] ? exc_page_fault+0x53/0x170 <4>[ 41.109847] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.114803] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 41.120442] ? direct_entry.cold+0x2c/0x38 <4>[ 41.125296] ? full_proxy_write+0x53/0x80 <4>[ 41.130063] ? vfs_write+0xe7/0x3b0 <4>[ 41.134246] ? ksys_write+0x68/0xf0 <4>[ 41.138420] ? do_syscall_64+0x30/0x40 <4>[ 41.142893] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.358067] <4>[ 41.149020] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 41.208015] CR2: 00007f299759a000 <4>[ 41.212004] ---[ end trace b27dfb9cdcf5d06c ]--- <4>[ 41.217450] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.222118] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 41.243384] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 41.249508] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.257770] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 41.266031] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.274291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.282552] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 41.290813] FS: 00007f299756b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 41.300142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.306848] CR2: 00007f299759a000 CR3: 0000000106170003 CR4: 00000000003706e0 RSP: 002b:00007ffc863a3608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.373037] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f201d2e3473 # [ 36.387519] RDX: 000000000000000b RSI: 00007f201d1d7000 RDI: 0000000000000001 # [ 36.401997] RBP: 00007f201d1d7000 R08: 00007f201d1d6010 R09: 0000000000000000 # [ 36.410266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.424742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.433014] irq event stamp: 0 # [ 36.436722] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.444017] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.453451] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.462882] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.470176] ---[ end trace b27dfb9cdcf5d066 ]--- # [ 36.475625] lkdtm: ok: SMEP did not get cleared # [ 36.480975] lkdtm: trying to clear SMEP with call gadget # [ 36.487201] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 <6>[ 41.421381] lkdtm: Performing direct entry EXEC_NULL selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAUL<6>[ 41.432862] lkdtm: attempting ok execution at ffffffffa797bbe0 T.sh # [ 36.576477] lkdtm: Performing direct entry DOUBLE_FAU<6>[ 41.445888] lkdtm: attempting bad execution at 0000000000000000 LT # [ 36.585811] lkdtm: XFAIL: this test is ia32-only # DOU<1>[ 41.459010] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 41.473290] #PF: supervisor instruction fetch in kernel mode <1>[ 41.479894] #PF: error_code(0x0010) - not-present page <6>[ 41.485921] PGD 0 P4D 0 BLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_F<4>[ 41.489039] Oops: 0010 [#11] SMP PTI <4>[ 41.499533] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 41.508474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.515570] RIP: 0010:0x0 <4>[ 41.518783] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 41.526741] RSP: 0018:ffffbf74424dfe48 EFLAGS: 00010246 <4>[ 41.532867] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 41.541127] RDX: 0000000000000000 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 <4>[ 41.549386] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.557646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 41.565906] R13: ffffbf74424dff10 R14: ffffbf74424dff10 R15: ffffa26a02d83000 <4>[ 41.574166] FS: 00007f51b537e580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 41.583494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.590199] CR2: ffffffffffffffd6 CR3: 0000000102b20004 CR4: 00000000003706e0 <4>[ 41.598460] Call Trace: <4>[ 41.601480] ? __die_body.cold+0x1a/0x1f AULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 36.714<4>[ 41.606150] ? no_context+0x177/0x380 <4>[ 41.616741] ? exc_page_fault+0x53/0x170 923] lkdtm: Performing direct entry CORRUPT_PAC # [ 36.721584<4>[ 41.621410] ? asm_exc_page_fault+0x1e/0x30 ] [ 41.632585] execute_location+0x45/0x56 <4>[ 41.643373] direct_entry.cold+0x2c/0x38 <4>[ 41.648042] full_proxy_write+0x53/0x80 <4>[ 41.652615] vfs_write+0xe7/0x3b0 <4>[ 41.656607] ksys_write+0x68/0xf0 <4>[ 41.660597] do_syscall_64+0x30/0x40 <4>[ 41.664877] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.670807] RIP: 0033:0x7f51b5294473 <4>[ 41.675085] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 41.696360] RSP: 002b:00007fff47f82f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.705098] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f51b5294473 <4>[ 41.713358] RDX: 000000000000000a RSI: 00007f51b5188000 RDI: 0000000000000001 <4>[ 41.721616] RBP: 00007f51b5188000 R08: 00007f51b5187010 R09: 0000000000000000 <4>[ 41.729876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.738136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 IL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # se<4>[ 41.746399] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 41.805352] CR2: 0000000000000000 <4>[ 41.809330] ---[ end trace b27dfb9cdcf5d06d ]--- <4>[ 41.814776] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.819444] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 41.840726] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 41.846851] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.855103] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 41.863362] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.871622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.879882] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 41.888142] FS: 00007f51b537e580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 41.897471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.904177] CR2: ffffffffffffffd6 CR3: 0000000102b20004 CR4: 00000000003706e0 <3>[ 41.912438] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.922641] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat <4>[ 41.931387] INFO: lockdep is turned off. <4>[ 41.936054] irq event stamp: 0 <4>[ 41.939751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.947041] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.956467] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.965890] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.973179] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 41.982119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.989213] Call Trace: <4>[ 41.992232] dump_stack+0x77/0x9b lftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 36.836006] <4>[ 41.996223] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.007298] exit_signals+0x1c/0x300 <4>[ 42.011578] do_exit+0xc2/0xab0 <4>[ 42.015363] ? ksys_write+0x68/0xf0 <4>[ 42.019538] make_task_dead+0x2f/0x30 <4>[ 42.023915] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.029458] RIP: 0033:0x7f51b5294473 <4>[ 42.033736] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 42.055010] RSP: 002b:00007fff47f82f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.063757] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f51b5294473 <4>[ 42.072017] RDX: 000000000000000a RSI: 00007f51b5188000 RDI: 0000000000000001 <4>[ 42.080277] RBP: 00007f51b5188000 R08: 00007f51b5187010 R09: 0000000000000000 <4>[ 42.088536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.096797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 36.846504] 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 # [ 36.988867] lkdtm: Performing direct entry READ_AFTER_FREE # [ 36.997588] lkdtm: Value in memory before free: 12345678 # [ 37.003816] lkdtm: Attempting bad read from freed memory # [ 37.010071] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 37.125661] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.133927] lkdtm: Value in memory before free: 12345678 # [ 37.146361] lkdtm: Attempting to read from freed memory # [ 37.158714] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 37.256179] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 37.263685] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE<6>[ 42.277844] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 42.285610] lkdtm: attempting bad read at 00007fdde1fe0000 <1>[ 42.292044] BUG: unable to handle page fault for address: 00007fdde1fe0000 <1>[ 42.300014] #PF: supervisor read access in kernel mode <1>[ 42.306045] #PF: error_code(0x0001) - permissions violation <6>[ 42.312550] PGD 80000001027bf067 P4D 80000001027bf067 PUD 102bbd067 PMD 102c06067 PTE 107f94067 <4>[ 42.322561] Oops: 0001 [#12] SMP PTI <4>[ 42.326841] CPU: 3 PID: 1830 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 42.335771] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.342870] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.349382] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 f0 32 f8 a8 e8 44 d8 fb ff 48 c7 c7 18 33 f8 a8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2b d8 fb ff 48 89 ee 48 c7 c7 40 33 f8 <4>[ 42.370672] RSP: 0018:ffffbf7442587e48 EFLAGS: 00010246 <4>[ 42.376796] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 42.385055] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8f83318 <4>[ 42.393314] RBP: 00007fdde1fe0000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.401576] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 42.409834] R13: ffffbf7442587f10 R14: ffffbf7442587f10 R15: ffffa26a06427000 <4>[ 42.418094] FS: 00007fdde1fb1580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 42.427423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.434129] CR2: 00007fdde1fe0000 CR3: 0000000102efc001 CR4: 00000000003706e0 <4>[ 42.442388] Call Trace: <4>[ 42.445408] ? __die_body.cold+0x1a/0x1f <4>[ 42.450078] ? no_context+0x177/0x380 <4>[ 42.454457] ? exc_page_fault+0x53/0x170 <4>[ 42.459124] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.464085] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 42.469918] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 42.475744] direct_entry.cold+0x2c/0x38 <4>[ 42.480404] full_proxy_write+0x53/0x80 <4>[ 42.484977] vfs_write+0xe7/0x3b0 <4>[ 42.488965] ksys_write+0x68/0xf0 <4>[ 42.492953] do_syscall_64+0x30/0x40 <4>[ 42.497233] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.503163] RIP: 0033:0x7fdde1ec7473 <4>[ 42.507442] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 42.528709] RSP: 002b:00007ffe2fe29188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.537498] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdde1ec7473 <4>[ 42.545760] RDX: 0000000000000011 RSI: 00007fdde1dbb000 RDI: 0000000000000001 <4>[ 42.554019] RBP: 00007fdde1dbb000 R08: 00007fdde1dba010 R09: 0000000000000000 <4>[ 42.562279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.570538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 37.3<4>[ 42.578802] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 42.637793] CR2: 00007fdde1fe0000 <4>[ 42.641782] ---[ end trace b27dfb9cdcf5d06e ]--- <4>[ 42.647226] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.651893] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 42.673168] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 42.679292] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.687552] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 42.695813] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.704075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.712337] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 42.720597] FS: 00007fdde1fb1580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 42.729926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.736633] CR2: 00007fdde1fe0000 CR3: 0000000102efc001 CR4: 00000000003706e0 54631] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 37.362809] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 37.447379] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 37.456121] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 37.681220] lkdtm: Performing direct entry EXEC_DATA # [ 37.691541] lkdtm: attempting ok execution at ffffffffa797bbe0 # [ 37.698364] lkdtm: attempting bad execution at ffffffffaaa31d00 # [ 37.711478] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.720153] BUG: unable to handle page fault for address: ffffffffaaa31d00 # [ 37.734337] #PF: supervisor instruction fetch in kernel mode # [ 37.740950] #PF: error_code(0x0011) - permissions violation # [ 37.747465] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 8000000145c000e3 <6>[ 42.899350] lkdtm: Performing direct entry ACCESS_NULL <6>[ 42.906340] lkdtm: attempting bad read at 0000000000000000 <1>[ 42.912771] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 37.755534] Oops: 0011 [#5] SMP PTI # [ 37.759730] CPU<1>[ 42.920861] #PF: supervisor read access in kernel mode <1>[ 42.933102] #PF: error_code(0x0000) - not-present page <6>[ 42.939122] PGD 0 P4D 0 <4>[ 42.942238] Oops: 0000 [#13] SMP PTI <4>[ 42.946518] CPU: 1 PID: 1866 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 42.955450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.962548] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 42.968091] Code: e8 d7 fb ff be 00 10 00 00 48 89 ef e8 97 7b 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 f0 32 f8 a8 e8 c2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 18 33 f8 a8 48 01 <4>[ 42.989365] RSP: 0018:ffffbf74425ffe58 EFLAGS: 00010246 <4>[ 42.995489] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 43.003749] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 43.012009] RBP: ffffffffa8f823e1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.020269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 43.028529] R13: ffffbf74425fff10 R14: ffffbf74425fff10 R15: ffffa26a052ad000 <4>[ 43.036788] FS: 00007f6306842580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 43.046116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.052821] CR2: 0000000000000000 CR3: 00000001064ae004 CR4: 00000000003706e0 <4>[ 43.061081] Call Trace: <4>[ 43.064100] ? __die_body.cold+0x1a/0x1f <4>[ 43.068771] ? no_context+0x177/0x380 <4>[ 43.073152] ? exc_page_fault+0x53/0x170 <4>[ 43.077821] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.082784] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.087671] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 43.092533] direct_entry.cold+0x2c/0x38 <4>[ 43.097202] full_proxy_write+0x53/0x80 <4>[ 43.101775] vfs_write+0xe7/0x3b0 <4>[ 43.105762] ksys_write+0x68/0xf0 <4>[ 43.109750] do_syscall_64+0x30/0x40 <4>[ 43.114029] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.119960] RIP: 0033:0x7f6306758473 <4>[ 43.124239] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 43.145514] RSP: 002b:00007ffeeae89458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.154253] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6306758473 <4>[ 43.162514] RDX: 000000000000000c RSI: 00007f630664c000 RDI: 0000000000000001 <4>[ 43.170766] RBP: 00007f630664c000 R08: 00007f630664b010 R09: 0000000000000000 <4>[ 43.179027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.187287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 1 PID: 1572 Comm: cat Tainted: G D W 5.10.201-cip<4>[ 43.195551] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 43.254537] CR2: 0000000000000000 <4>[ 43.258517] ---[ end trace b27dfb9cdcf5d06f ]--- <4>[ 43.263963] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.268631] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 43.289905] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 43.296028] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.304289] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 43.312548] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.320808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.329067] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 43.337326] FS: 00007f6306842580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 43.346674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.353381] CR2: 0000000000000000 CR3: 00000001064ae004 CR4: 00000000003706e0 <3>[ 43.361640] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.371841] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat <4>[ 43.380586] INFO: lockdep is turned off. <4>[ 43.385253] irq event stamp: 0 <4>[ 43.388949] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.396241] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.405673] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.415099] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.422386] CPU: 1 PID: 1866 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 43.431325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.438419] Call Trace: <4>[ 43.441439] dump_stack+0x77/0x9b <4>[ 43.445428] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.450291] exit_signals+0x1c/0x300 <4>[ 43.454570] do_exit+0xc2/0xab0 <4>[ 43.458363] ? ksys_write+0x68/0xf0 <4>[ 43.462546] make_task_dead+0x2f/0x30 <4>[ 43.466914] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.472453] RIP: 0033:0x7f6306758473 <4>[ 43.476731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 43.498006] RSP: 002b:00007ffeeae89458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.506751] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6306758473 <4>[ 43.515011] RDX: 000000000000000c RSI: 00007f630664c000 RDI: 0000000000000001 <4>[ 43.523271] RBP: 00007f630664c000 R08: 00007f630664b010 R09: 0000000000000000 <4>[ 43.531531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.539790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 41 #1 # [ 37.768674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.775773] RIP: 0010:data_area+0x0/0x40 # [ 37.780440] Code: ff ff 00 03 28 00 6a a2 ff ff 00 02 28 00 6a a2 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 # [ 37.801731] RSP: 0018:ffffbf744214fe48 EFLAGS: 00010246 # [ 37.807856] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.816117] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 37.824379] RBP: ffffffffaaa31d00 R08: 0000000000000000 R09: 0000000000000000 # [ 37.832641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.840926] R13: ffffbf744214ff10 R14: ffffbf744214ff10 R15: ffffa26a06426000 # [ 37.849188] FS: 00007f889b241580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 37.858518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.865226] CR2: ffffffffaaa31d00 CR3: 00000001029aa003 CR4: 00000000003706e0 # [ 37.873487] Call Trace: # [ 37.876508] ? __die_body.cold+0x1a/0x1f # [ 37.881178] ? no_context+0x177/0x380 # [ 37.885559] ? exc_page_fault+0xd7/0x170 # [ 37.890228] ? asm_exc_page_fault+<6>[ 43.666690] lkdtm: Performing direct entry WRITE_RO <6>[ 43.678134] lkdtm: attempting bad rodata write at ffffffffa8af8530 <1>[ 43.685338] BUG: unable to handle page fault for address: ffffffffa8af8530 <1>[ 43.693313] #PF: supervisor write access in kernel mode <1>[ 43.699442] #PF: error_code(0x0003) - permissions violation <6>[ 43.705947] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 8000000143c000e1 0x1e/0x30 # [ 37.895185] ? execute_location+0x45/0x56 # [ <4>[ 43.714018] Oops: 0003 [#14] SMP PTI <4>[ 43.724510] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 43.733452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.740553] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 37.899951] ? direct_entry.cold+0x2c/0x38 # [ 37.904816] ? <4>[ 43.745806] Code: 00 48 c7 c7 d0 31 f8 a8 48 c7 c6 30 85 af a8 e8 6c da fb ff 48 8b 05 f1 9e a9 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a8 48 31 d0 <48> 89 05 db 9e a9 00 e9 4a da fb ff 0f 1f 44 00 00 48 8b 05 ea bc <4>[ 43.773293] RSP: 0018:ffffbf74426a7e60 EFLAGS: 00010202 <4>[ 43.779418] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 43.787679] RDX: 00000000abcd1234 RSI: ffffa26a7ac9bf50 RDI: ffffffffa8f83200 <4>[ 43.795939] RBP: ffffffffa8f823ed R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.804199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 43.812460] R13: ffffbf74426a7f10 R14: ffffbf74426a7f10 R15: ffffa26a03388000 <4>[ 43.820735] FS: 00007f83cd015580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 43.830063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.836770] CR2: ffffffffa8af8530 CR3: 0000000106456003 CR4: 00000000003706e0 <4>[ 43.845030] Call Trace: <4>[ 43.848052] ? __die_body.cold+0x1a/0x1f <4>[ 43.852726] ? no_context+0x177/0x380 <4>[ 43.857107] ? exc_page_fault+0xd7/0x170 <4>[ 43.861775] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.866737] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 43.871308] direct_entry.cold+0x2c/0x38 <4>[ 43.875976] full_proxy_write+0x53/0x80 <4>[ 43.880548] vfs_write+0xe7/0x3b0 <4>[ 43.884537] ksys_write+0x68/0xf0 <4>[ 43.888519] do_syscall_64+0x30/0x40 <4>[ 43.892798] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.898730] RIP: 0033:0x7f83ccf2b473 <4>[ 43.903008] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 43.924283] RSP: 002b:00007ffd8cd871e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.933031] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f83ccf2b473 <4>[ 43.941291] RDX: 0000000000000009 RSI: 00007f83cce1f000 RDI: 0000000000000001 <4>[ 43.949552] RBP: 00007f83cce1f000 R08: 00007f83cce1e010 R09: 0000000000000000 <4>[ 43.957813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.966074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 full_proxy_write+0x53/0x80 # [ 37.909582] ? vfs_write+0xe7/0<4>[ 43.974336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 44.033326] CR2: ffffffffa8af8530 <4>[ 44.037314] ---[ end trace b27dfb9cdcf5d070 ]--- <4>[ 44.042761] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.047428] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 44.068702] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 44.074870] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.083130] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 44.091390] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.099671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.107933] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 44.116194] FS: 00007f83cd015580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 44.125522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.132228] CR2: ffffffffa8af8530 CR3: 0000000106456003 CR4: 00000000003706e0 x3b0 # [ 37.913767] ? ksys_write+0x68/0xf0 # [ 37.917951] ? do_syscall_64+0x30/0x40 # [ 37.922426] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 37.928553] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 37.987550] CR2: ffffffffaaa31d00 # [ 37.991540] ---[ end trace b27dfb9cdcf5d067 ]--- # [ 37.996978] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.001664] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 38.022939] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 38.035278] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.0435<6>[ 44.257565] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 38] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8a<6>[ 44.265483] lkdtm: attempting bad ro_after_init write at ffffffffa900a350 f80b0 # [ 38.051798] RBP: ffffffffa8fe8528 R08: 0000000000000<1>[ 44.279563] BUG: unable to handle page fault for address: ffffffffa900a350 <1>[ 44.293724] #PF: supervisor write access in kernel mode <1>[ 44.299849] #PF: error_code(0x0003) - permissions violation <6>[ 44.306361] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 10005e063 PTE 800000014420a061 <4>[ 44.315700] Oops: 0003 [#15] SMP PTI <4>[ 44.319971] CPU: 0 PID: 1938 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 44.328912] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.336012] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 44.342339] Code: 32 f8 a8 e9 1e da fb ff 48 c7 c7 58 32 f8 a8 e8 12 da fb ff 48 8b 05 b7 bc fa 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a8 48 31 d0 <48> 89 05 a1 bc fa 00 e9 f0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 44.363618] RSP: 0018:ffffbf7442747e60 EFLAGS: 00010202 <4>[ 44.369745] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 44.377998] RDX: 00000000abcd1234 RSI: ffffa26a7ac1bf50 RDI: ffffffffa8f83200 <4>[ 44.386259] RBP: ffffffffa8f823f6 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.394522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 44.402775] R13: ffffbf7442747f10 R14: ffffbf7442747f10 R15: ffffa26a05a27000 <4>[ 44.411038] FS: 00007f8378257580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 <4>[ 44.420359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.427067] CR2: ffffffffa900a350 CR3: 0000000106456001 CR4: 00000000003706f0 <4>[ 44.435326] Call Trace: <4>[ 44.438348] ? __die_body.cold+0x1a/0x1f <4>[ 44.443015] ? no_context+0x177/0x380 <4>[ 44.447402] ? exc_page_fault+0xd7/0x170 <4>[ 44.452078] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.457042] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 44.462678] direct_entry.cold+0x2c/0x38 <4>[ 44.467349] full_proxy_write+0x53/0x80 <4>[ 44.471928] vfs_write+0xe7/0x3b0 <4>[ 44.475923] ksys_write+0x68/0xf0 <4>[ 44.479903] do_syscall_64+0x30/0x40 <4>[ 44.484183] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.490113] RIP: 0033:0x7f837816d473 <4>[ 44.494394] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.515660] RSP: 002b:00007ffd4f061968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.524410] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f837816d473 <4>[ 44.532672] RDX: 0000000000000014 RSI: 00007f8378061000 RDI: 0000000000000001 <4>[ 44.540933] RBP: 00007f8378061000 R08: 00007f8378060010 R09: 0000000000000000 <4>[ 44.549193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.557455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.565721] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 44.618493] CR2: ffffffffa900a350 <4>[ 44.622483] ---[ end trace b27dfb9cdcf5d071 ]--- <4>[ 44.627930] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.632599] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 44.653875] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 44.659991] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.668253] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 44.676517] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.684770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.693030] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 44.701292] FS: 00007f8378257580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 <4>[ 44.710623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.717322] CR2: ffffffffa900a350 CR3: 0000000106456001 CR4: 00000000003706f0 <3>[ 44.725583] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.735788] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1938, name: cat <4>[ 44.744533] INFO: lockdep is turned off. <4>[ 44.749201] irq event stamp: 0 <4>[ 44.752900] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.760181] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.769608] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.779035] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.786327] CPU: 0 PID: 1938 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 44.795269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.802365] Call Trace: <4>[ 44.805385] dump_stack+0x77/0x9b <4>[ 44.809381] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.814250] exit_signals+0x1c/0x300 <4>[ 44.818537] do_exit+0xc2/0xab0 <4>[ 44.822334] ? ksys_write+0x68/0xf0 <4>[ 44.826519] make_task_dead+0x2f/0x30 <4>[ 44.830896] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.836439] RIP: 0033:0x7f837816d473 <4>[ 44.840720] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.861988] RSP: 002b:00007ffd4f061968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.870735] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f837816d473 <4>[ 44.878999] RDX: 0000000000000014 RSI: 00007f8378061000 RDI: 0000000000000001 <4>[ 44.887259] RBP: 00007f8378061000 R08: 00007f8378060010 R09: 0000000000000000 <4>[ 44.895521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.903783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 001 R09: 0000000000000001 # [ 38.060060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.068320] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 38.076581] FS: 00007f889b241580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 38.085910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.092618] CR2: ffffffffaaa31d00 CR3: 00000001029aa003 CR4: 00000000003706e0 # [ 38.100880] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.111072] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat # [ 38.119819] INFO: lockdep is turned off. # [ 38.124488] irq event stamp: 0 # [ 38.128186] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.135468] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.144893] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.154319] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.161610] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 38.170550] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.177661] Call Trace: # [ 38.180690] dump_stack+0x77/0x9b # [ 38.190891] ___might_sleep.cold+0xa6/0xb6 # [ 38.195755] exit_signals+0x1c/0x300 # [ 38.200036] do_exit+0xc2/0xab0 # [ 38.203831] ? ksys_write+0x68/0xf0 # [ 38.208013] make_task_dead+0x2f/0x30 # [ 38.212390] rewind_stack_and_make_dead+0x17/0x20 # [ 38.217932] RIP: 0033:0x7f889b157473 # [ 38.222203] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0<6>[ 45.079242] lkdtm: Performing direct entry WRITE_KERN 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4<6>[ 45.085859] lkdtm: attempting bad 7219673 byte write at ffffffffa805e5b9 0 00 48 83 ec 28 48 89 54 24 18 # [ 38.243478] RSP: 002b:0000<1>[ 45.099843] BUG: unable to handle page fault for address: ffffffffa805e5b9 <1>[ 45.114021] #PF: supervisor write access in kernel mode <1>[ 45.120147] #PF: error_code(0x0003) - permissions violation 7ffc2db96dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <6>[ 45.126661] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 1432000e1 <4>[ 45.140270] Oops: 0003 [#16] SMP PTI <4>[ 45.144553] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 45.153499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.160600] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 38.252225] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000<4>[ 45.166046] Code: 53 48 c7 c3 b9 e5 05 a8 49 89 dc 48 89 da 49 81 ec e0 bb 97 a7 4c 89 e6 e8 c5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 bb 97 a7 a4 48 c7 c7 00 32 f8 a8 e8 aa d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 45.193531] RSP: 0018:ffffbf74427cfe50 EFLAGS: 00010246 <4>[ 45.199670] RAX: 000000000000003c RBX: ffffffffa805e5b9 RCX: 00000000006e29d9 <4>[ 45.207930] RDX: 0000000000000000 RSI: ffffffffa797bbe0 RDI: ffffffffa805e5b9 <4>[ 45.216189] RBP: ffffffffa8f8240a R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.224450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e29d9 <4>[ 45.232723] R13: ffffbf74427cff10 R14: ffffbf74427cff10 R15: ffffa26a02c62000 <4>[ 45.240984] FS: 00007f1f8dfac580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 45.250303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.257010] CR2: ffffffffa805e5b9 CR3: 000000010658c001 CR4: 00000000003706e0 <4>[ 45.265270] Call Trace: <4>[ 45.268290] ? __die_body.cold+0x1a/0x1f 7f889b157473 # [ 38.260485] RDX: 000000000000000a RSI: 00007f<4>[ 45.272961] ? no_context+0x177/0x380 <4>[ 45.283548] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.289287] ? exc_page_fault+0xd7/0x170 <4>[ 45.293947] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.298906] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.304643] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 889b04b000 RDI: 0000000000000001 # [ 38.268747] RBP: 00007f88<4>[ 45.309819] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 45.321769] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 45.326526] direct_entry.cold+0x2c/0x38 <4>[ 45.331186] full_proxy_write+0x53/0x80 <4>[ 45.335760] vfs_write+0xe7/0x3b0 <4>[ 45.339750] ksys_write+0x68/0xf0 <4>[ 45.343738] do_syscall_64+0x30/0x40 <4>[ 45.348016] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.353946] RIP: 0033:0x7f1f8dec2473 <4>[ 45.358224] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.379488] RSP: 002b:00007ffe72aa9938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.388234] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1f8dec2473 <4>[ 45.396494] RDX: 000000000000000b RSI: 00007f1f8ddb6000 RDI: 0000000000000001 <4>[ 45.404755] RBP: 00007f1f8ddb6000 R08: 00007f1f8ddb5010 R09: 0000000000000000 <4>[ 45.413015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.421275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9b04b000 R08: 00007f889b04a010 R09: 0000000000000000 # [ 38.2<4>[ 45.429539] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 45.488491] CR2: ffffffffa805e5b9 <4>[ 45.492472] ---[ end trace b27dfb9cdcf5d072 ]--- <4>[ 45.497916] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.502582] Code: 89 ff e8 6e d9 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 a0 64 0b 03 <4>[ 45.523853] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 <4>[ 45.529975] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.538234] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 <4>[ 45.546493] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.554752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.563010] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 <4>[ 45.571271] FS: 00007f1f8dfac580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 45.580590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.587295] CR2: ffffffffa805e5b9 CR3: 000000010658c001 CR4: 00000000003706e0 77006] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.285267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 38.403440] lkdtm: Performing direct entry EXEC_STACK # [ 38.411374] lkdtm: attempting ok execution at ffffffffa797bbe0 # [ 38.418236] lkdtm: attempting bad execution at ffffbf7442207e18 # [ 38.425154] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.440012] BUG: unable to handle page fault for address: ffffbf7442207e18 # [ 38.447984] #PF: supervisor instruction fetch in kernel mode # [ 38.454595] #PF: error_code(0x0011) - permissions violation # [ 38.461109] PGD 100000067 P4D 100000067 PUD 100244067 PMD 1061bf067 PTE 80000001033b6063 # [ 38.476661] Oops: 0011 [#6] SMP PTI # [ 38.480844] CPU: 1 PID: 1609 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 38.489776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.496874] RIP: 0010:0xffffbf7442207e18 # [ 38.501542] Code: 00 00 18 7e 20 42 74 bf ff ff 0f e6 05 a8 ff ff ff ff 20 00 00 00 00 00 00 00 86 23 f8 a8 ff ff ff ff 3e e7 05 a8 ff ff ff ff <0f> 1<6>[ 45.715854] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 45.726873] lkdtm: attempting good refcount_inc() without overflow <6>[ 45.734072] lkdtm: attempting bad refcount_inc() overflow <4>[ 45.740395] ------------[ cut here ]------------ <4>[ 45.745843] refcount_t: saturated; leaking memory. <4>[ 45.751513] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 #<4>[ 45.761242] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 45.820193] CPU: 3 PID: 2010 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 45.829161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.836259] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 45.842387] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed [ 38.522810] RSP: 0018:ffffbf7442207df8 EFLAGS: 00010246 # [<4>[ 45.863675] RSP: 0018:ffffbf7442857e48 EFLAGS: 00010286 38.528927] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0<4>[ 45.876025] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 000000000000000 # [ 38.537187] RDX: 0000000000000000 RSI: fff<4>[ 45.890507] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 fa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 38.545448] RBP: ffffb<4>[ 45.904988] RBP: ffffffffa8f82415 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.919468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 45.927732] R13: ffffbf7442857f10 R14: ffffbf7442857f10 R15: ffffa26a0593e000 <4>[ 45.935996] FS: 00007f295321e580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 45.945327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.952037] CR2: 00007f2953028000 CR3: 0000000102678001 CR4: 00000000003706e0 <4>[ 45.960323] Call Trace: f7442207e18 R08: 0000000000000000 R09: 0000000000000000 # [ 3<4>[ 45.963360] ? __warn+0x80/0x110 <4>[ 45.973456] ? refcount_warn_saturate+0x51/0x110 <4>[ 45.978930] ? report_bug+0x9e/0xc0 <4>[ 45.983118] ? handle_bug+0x41/0x90 <4>[ 45.987328] ? exc_invalid_op+0x14/0x70 <4>[ 45.991903] ? asm_exc_invalid_op+0x12/0x20 <4>[ 45.996870] ? refcount_warn_saturate+0x51/0x110 <4>[ 46.002348] ? refcount_warn_saturate+0x51/0x110 <4>[ 46.007795] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 46.013439] direct_entry.cold+0x2c/0x38 <4>[ 46.018112] full_proxy_write+0x53/0x80 <4>[ 46.022728] vfs_write+0xe7/0x3b0 <4>[ 46.026743] ksys_write+0x68/0xf0 <4>[ 46.030736] do_syscall_64+0x30/0x40 <4>[ 46.035042] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.040976] RIP: 0033:0x7f2953134473 <4>[ 46.045258] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.066536] RSP: 002b:00007fffd912bca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.075286] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2953134473 <4>[ 46.083550] RDX: 0000000000000016 RSI: 00007f2953028000 RDI: 0000000000000001 <4>[ 46.091815] RBP: 00007f2953028000 R08: 00007f2953027010 R09: 0000000000000000 <4>[ 46.100079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.108343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.116610] irq event stamp: 0 <4>[ 46.120339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.127631] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.137061] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.146489] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.153782] ---[ end trace b27dfb9cdcf5d073 ]--- <6>[ 46.159228] lkdtm: Overflow detected: saturated 8.553724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.561983] R13: ffffbf7442207f10 R14: ffffbf7442207f10 R15: ffffa26a0275c000 # [ 38.570244] FS: 00007f3a52862580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 38.579572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.586279] CR2: ffffbf7442207e18 CR3: 000000010276a004 CR4: 00000000003706e0 # [ 38.594540] Call Trace: # [ 38.597561] ? __die_body.cold+0x1a/0x1f # [ 38.602230] ? no_context+0x177/0x380 # [ 38.606608] ? exc_page_fault+0xd7/0x170 # [ 38.611278] ? asm_exc_page_fault+0x1e/0x30 # [ 38.616241] ? execute_location+0x45/0x56 # [ 38.621007] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 38.625773] ? direct_entry.cold+0x2c/0x38 # [ 38.630636] ? full_proxy_write+0x53/0x80 # [ 38.635403] ? vfs_write+0xe7/0x3b0 # [ 38.639578] ? ksys_write+0x68/0xf0 # [ 38.643753] ? do_syscall_64+0x30/0x40 # [ 38.648227] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.654354] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i<6>[ 46.304168] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight c<6>[ 46.314588] lkdtm: attempting good refcount_add() without overflow hromeos_pstore # [ 38.713341] CR2: ffffbf7442207e18 # [ 38<6>[ 46.328032] lkdtm: attempting bad refcount_add() overflow .717331] ---[ end trace b27dfb9cdcf5d068 ]--- # [ 38.722777] <4>[ 46.340561] ------------[ cut here ]------------ RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.727444] Code: 89 ff e8 6e<4>[ 46.352183] refcount_t: saturated; leaking memory. d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc <4>[ 46.364086] WARNING: CPU: 0 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f<4>[ 46.380028] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 64 0b 03 # [ 38<4>[ 46.439003] CPU: 0 PID: 2043 Comm: cat Tainted: G D W 5.10.201-cip41 #1 .748724] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 38.7<4>[ 46.454154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 54848] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 00000000<4>[ 46.467467] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000000 # [ 38.763109] RDX: 0000000000000000 RSI: ffffa26a7a<4>[ 46.479810] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed d9bf50 RDI: ffffffffa8af80b0 # [ 38.771370] RBP: ffffffffa8fe<4>[ 46.507287] RSP: 0018:ffffbf74428afe48 EFLAGS: 00010286 8528 R08: 0000000000000001 R09: 0000000000000001 # [ 38.77963<4>[ 46.519679] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 2] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 46.534136] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 0004 # [ 38.787892] R13: ffffbf74412dff10 R14: ffffbf74412dff<4>[ 46.548658] RBP: ffffffffa8f8242b R08: 0000000000000000 R09: 0000000000000000 10 R15: ffffa26a033cc000 # [ 38.796152] FS: 00007f3a52862580<4>[ 46.563096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 (0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 3<4>[ 46.577593] R13: ffffbf74428aff10 R14: ffffbf74428aff10 R15: ffffa26a0581d000 8.805481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 46.592060] FS: 00007f109703f580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 38.812190] CR2: ffffbf7442207e18 CR3: 000000010276a004 CR4: 0<4>[ 46.607671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 self<4>[ 46.620670] CR2: 00007f1096e49000 CR3: 0000000105820003 CR4: 00000000003706f0 tests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh<4>[ 46.635088] Call Trace: # Killed # [ 38.922723] lkdtm: Performing direct entry EXEC<4>[ 46.644357] ? __warn+0x80/0x110 _KMALLOC # [ 38.932304] lkdtm: attempting ok execution at fff<4>[ 46.654453] ? refcount_warn_saturate+0x51/0x110 fffffa797bbe0 # [ 38.939151] lkdtm: attempting bad execution <4>[ 46.666142] ? report_bug+0x9e/0xc0 at ffffa26a0400ea80 # [ 38.946092] kernel tried to execute NX<4>[ 46.676522] ? handle_bug+0x41/0x90 -protected page - exploit attempt? (uid: 0) # [ 38.954757] BU<4>[ 46.686946] ? exc_invalid_op+0x14/0x70 G: unable to handle page fault for address: ffffa26a0400ea80 # <4>[ 46.697726] ? asm_exc_invalid_op+0x12/0x20 [ 38.962730] #PF: supervisor instruction fetch in kernel mode <4>[ 46.708934] ? refcount_warn_saturate+0x51/0x110 # [ 38.975554] #PF: error_code(0x0011) - permissions violatio<4>[ 46.720580] ? refcount_warn_saturate+0x51/0x110 n # [ 38.982069] PGD 145e01067 P4D 145e01067 PUD 100841063 PM<4>[ 46.732250] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 D 10409b063 PTE 800000010400e063 # [ 38.997622] Oops: 0011 [#<4>[ 46.744105] direct_entry.cold+0x2c/0x38 7] SMP PTI # [ 39.001804] CPU: 1 PID: 1646 Comm: cat Tainted:<4>[ 46.755011] full_proxy_write+0x53/0x80 G D W 5.10.201-cip41 #1 # [ 39.010744] Hardware<4>[ 46.765790] vfs_write+0xe7/0x3b0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.017842] <4>[ 46.776003] ksys_write+0x68/0xf0 RIP: 0010:0xffffa26a0400ea80 # [ 39.022509] Code: 00 00 02 00<4>[ 46.786207] do_syscall_64+0x30/0x40 00 00 00 00 00 00 00 ed 00 04 6a a2 ff ff 04 00 00 00 00 00 00 <4>[ 46.796713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 00 00 00 00 00 00 00 00 eb f2 ef a6 ff ff ff ff <0f> 1f 44 00<4>[ 46.808856] RIP: 0033:0x7f1096f55473 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39<4>[ 46.819379] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .043783] RSP: 0018:ffffbf74422a7e38 EFLAGS: 00010246 # [ 39.0<4>[ 46.846862] RSP: 002b:00007ffc101506c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 49907] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000<4>[ 46.861855] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1096f55473 00000000 # [ 39.058168] RDX: 0000000000000000 RSI: ffffa26a7a<4>[ 46.876317] RDX: 0000000000000016 RSI: 00007f1096e49000 RDI: 0000000000000001 c9bf50 RDI: ffffa26a7ac9bf50 # [ 39.066429] RBP: ffffa26a0400<4>[ 46.890848] RBP: 00007f1096e49000 R08: 00007f1096e48010 R09: 0000000000000000 ea80 R08: 0000000000000000 R09: 0000000000000000 # [ 39.07469<4>[ 46.905297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 46.919781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000d # [ 39.082951] R13: ffffbf74422a7f10 R14: ffffbf74422a7f<4>[ 46.934259] irq event stamp: 0 10 R15: ffffa26a032ce000 # [ 39.091213] FS: 00007f12cfcbb580<4>[ 46.944182] hardirqs last enabled at (0): [<0000000000000000>] 0x0 (0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 3<4>[ 46.957679] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 9.100543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 46.973336] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 39.107252] CR2: ffffa26a0400ea80 CR3: 0000000102d9c003 CR4: 0<4>[ 46.988966] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000003706e0 # [ 39.115511] Call Trace: # [ 39.118532] <4>[ 47.002501] ---[ end trace b27dfb9cdcf5d074 ]--- ? __die_body.cold+0x1a/0x1f # [ 39.123201] ? no_context+0x1<6>[ 47.014143] lkdtm: Overflow detected: saturated 77/0x380 # [ 39.127581] ? exc_page_fault+0xd7/0x170 # [ 39.132249] ? asm_exc_page_fault+0x1e/0x30 # [ 39.137214] ? execute_location+0x45/0x56 # [ 39.141979] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 39.146929] ? direct_entry.cold+0x2c/0x38 # [ 39.151793] ? full_proxy_write+0x53/0x80 # [ 39.156560] ? vfs_write+0xe7/0x3b0 # [ 39.160744] ? ksys_write+0x68/0xf0 # [ 39.164928] ? do_syscall_64+0x30/0x40 # [ 39.169402] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.175519] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 39.234514] CR2: ffffa26a0400ea80 # [ 39.238503] ---[ end trace b27dfb9cdcf5d069 ]--- # [ 39.243949] RIP: <6>[ 47.135713] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 47.145446] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 47.152662] ------------[ cut here ]------------ 0010:lkdtm_BUG+0x5/0x10 # [ 39.248616] Code: 89 ff e8 6e d9 7<4>[ 47.158121] refcount_t: saturated; leaking memory. 9 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc<4>[ 47.169982] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8<4>[ 47.185909] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 47.244900] CPU: 3 PID: 2076 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 47.253875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.260974] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 47.267100] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed <4>[ 47.288375] RSP: 0018:ffffbf744296fe38 EFLAGS: 00010282 4 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 64 0b 03 # [ 39.2698<4>[ 47.294506] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 47.308986] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 <4>[ 47.317250] RBP: ffffffffa8f82068 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.325511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 47.333764] R13: ffffbf744296ff10 R14: ffffbf744296ff10 R15: ffffa26a0650f000 <4>[ 47.342026] FS: 00007f15a59ef580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 47.351380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 91] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 39.276016<4>[ 47.358101] CR2: 00007f15a57f9000 CR3: 0000000104812001 CR4: 00000000003706e0 <4>[ 47.372570] Call Trace: <4>[ 47.375585] ? __warn+0x80/0x110 ] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000<4>[ 47.379504] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.391159] ? report_bug+0x9e/0xc0 <4>[ 47.395346] ? handle_bug+0x41/0x90 <4>[ 47.399554] ? exc_invalid_op+0x14/0x70 <4>[ 47.404126] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.409092] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.414538] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.419986] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 47.426404] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 47.432918] direct_entry.cold+0x2c/0x38 <4>[ 47.437590] full_proxy_write+0x53/0x80 <4>[ 47.442189] vfs_write+0xe7/0x3b0 <4>[ 47.446181] ksys_write+0x68/0xf0 <4>[ 47.450172] do_syscall_64+0x30/0x40 <4>[ 47.454453] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 47.460386] RIP: 0033:0x7f15a5905473 000 # [ 39.284275] RDX: 0000000000000000 RSI: ffffa26a7ad9bf5<4>[ 47.464675] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.492166] RSP: 002b:00007ffce784b8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.500915] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f15a5905473 <4>[ 47.509177] RDX: 000000000000001f RSI: 00007f15a57f9000 RDI: 0000000000000001 <4>[ 47.517439] RBP: 00007f15a57f9000 R08: 00007f15a57f8010 R09: 0000000000000000 <4>[ 47.525715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.534009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.542266] irq event stamp: 0 <4>[ 47.545987] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.553269] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.562698] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0 RDI: ffffffffa8af80b0 # [ 39.292535] RBP: ffffffffa8fe8528 <4>[ 47.572128] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.585635] ---[ end trace b27dfb9cdcf5d075 ]--- R08: 0000000000000001 R09: 0000000000000001 # [ 39.300794] R1<6>[ 47.591087] lkdtm: Overflow detected: saturated 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.309054] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 39.317315] FS: 00007f12cfcbb580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 39.326643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.333375] CR2: ffffa26a0400ea80 CR3: 0000000102d9c003 CR4: 00000000003706e0 # [ 39.341636] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.351839] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat # [ 39.360585] INFO: lockdep is turned off. # [ 39.365251] irq event stamp: 0 # [ 39.368948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.376239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.385672] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.395098] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.402388] CPU: 1 PID: 1646 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 39.411329] Hardware name: Google Rammus/Ra<6>[ 47.713626] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 47.722428] lkdtm: attempting bad refcount_add_not_zero() overflow mmus, BIOS 09/04/2020 # [ 39.418424] Call Trace: # [ 39.4<4>[ 47.729684] ------------[ cut here ]------------ <4>[ 47.741349] refcount_t: saturated; leaking memory. <4>[ 47.747055] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 21443] dump_stack+0x77/0x9b # [ 39.425433] ___might_sleep.c<4>[ 47.756781] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 47.815730] CPU: 1 PID: 2109 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 47.824708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.831813] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 47.837943] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed <4>[ 47.859221] RSP: 0018:ffffbf74429ffe38 EFLAGS: 00010282 old+0xa6/0xb6 # [ 39.430297] exit_signals+0x1c/0x300 # [ <4>[ 47.865352] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 47.879837] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 47.888131] RBP: ffffffffa8f82088 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.896395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 47.904676] R13: ffffbf74429fff10 R14: ffffbf74429fff10 R15: ffffa26a06427000 <4>[ 47.912942] FS: 00007fbda1d35580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 47.922297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 39.434569] do_exit+0xc2/0xab0 # [ 39.438363] ? ksys_write+0<4>[ 47.929015] CR2: 00007fbda1b3f000 CR3: 000000010274c005 CR4: 00000000003706e0 <4>[ 47.943481] Call Trace: <4>[ 47.946524] ? __warn+0x80/0x110 x68/0xf0 # [ 39.442547] make_task_dead+0x2f/0x30 # [ 39.4<4>[ 47.950429] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.962087] ? report_bug+0x9e/0xc0 <4>[ 47.966305] ? handle_bug+0x41/0x90 <4>[ 47.970523] ? exc_invalid_op+0x14/0x70 <4>[ 47.975128] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.980096] ? refcount_warn_saturate+0x97/0x110 46923] rewind_stack_and_make_dead+0x17/0x20 # [ 39.452466] R<4>[ 47.985570] ? refcount_warn_saturate+0x97/0x110 <4>[ 47.997225] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 48.003676] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 IP: 0033:0x7f12cfbd1473 # [ 39.456744] Code: 8b 15 21 2a 0e 0<4>[ 48.010202] direct_entry.cold+0x2c/0x38 <4>[ 48.021081] full_proxy_write+0x53/0x80 <4>[ 48.025691] vfs_write+0xe7/0x3b0 <4>[ 48.029730] ksys_write+0x68/0xf0 <4>[ 48.033729] do_syscall_64+0x30/0x40 <4>[ 48.038044] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.043980] RIP: 0033:0x7fbda1c4b473 <4>[ 48.048263] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.069540] RSP: 002b:00007ffd648b7918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.078291] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbda1c4b473 <4>[ 48.086554] RDX: 000000000000001f RSI: 00007fbda1b3f000 RDI: 0000000000000001 <4>[ 48.094818] RBP: 00007fbda1b3f000 R08: 00007fbda1b3e010 R09: 0000000000000000 <4>[ 48.103083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.111347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.119616] irq event stamp: 0 <4>[ 48.123345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.130642] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<4>[ 48.140104] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 48.155746] softirqs last disabled at (0): [<0000000000000000>] 0x0 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.4780<4>[ 48.169257] ---[ end trace b27dfb9cdcf5d076 ]--- 18] RSP: 002b:00007ffdfddb1ef8 EFLAGS: 00000246 ORIG_RAX: 000000<6>[ 48.180918] lkdtm: Overflow detected: saturated 0000000001 # [ 39.486763] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f12cfbd1473 # [ 39.495024] RDX: 000000000000000d RSI: 00007f12cfac5000 RDI: 0000000000000001 # [ 39.503285] RBP: 00007f12cfac5000 R08: 00007f12cfac4010 R09: 0000000000000000 # [ 39.511543] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.519803] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 39.688448] lkdtm: Performing direct entry EXEC_VMALLOC # [ 39.695840] lkdtm: attempting ok execution at ffffffffa797bbe0 # [ 39.702675] lkdtm: attempting bad execution at ffffbf7440355000 # [ 39.715795] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.724451] BUG: unable to handle page fault for address: ffffbf7440355000 # [ 39.732422] #PF: supervisor instruction fetch in kernel mode # [ 39.739034] #PF: error_code(0x0011) - permissions violation # [ 39.745546] PGD 100000067 P4D 100000067 PUD 100244067 PMD 100a0e067 PTE 8000000102b4f063 # [ 39.754878] Oops: 0011 [#8] SMP PTI # [ 39.759059] <6>[ 48.305362] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO CPU: 1 PID: 1683 Comm: cat Tainted: G D W 5.10.201-<6>[ 48.317201] lkdtm: attempting good refcount_dec() cip41 #1 # [ 39.767997] Hardware name: Google Rammus/Rammus, <6>[ 48.328963] lkdtm: attempting bad refcount_dec() to zero BIOS 09/04/2020 # [ 39.775094] RIP: 0010:0xffffbf7440355000 <4>[ 48.341400] ------------[ cut here ]------------ # [ 39.779763] Code: Unable to access opcode bytes at RIP 0xf<4>[ 48.353062] refcount_t: decrement hit 0; leaking memory. fffbf7440354fd6. # [ 39.787732] RSP: 0018:ffffbf7442357e38 EF<4>[ 48.365531] WARNING: CPU: 2 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 LAGS: 00010246 # [ 39.793856] RAX: 0000000000000033 RBX: 0000<4>[ 48.381435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 000000000001 RCX: 0000000000000000 # [ 39.802118] RDX: 000000<4>[ 48.440389] CPU: 2 PID: 2142 Comm: cat Tainted: G D W 5.10.201-cip41 #1 0000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 39<4>[ 48.455551] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .810380] RBP: ffffbf7440355000 R08: 0000000000000000 R09: 000000<4>[ 48.468864] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 48.481206] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000000000 # [ 39.818641] R10: 00000000ffffe000 R11: 3fffffff<4>[ 48.502506] RSP: 0018:ffffbf7442a8fe48 EFLAGS: 00010286 ffffffff R12: 000000000000000d # [ 39.826902] R13: ffffbf7442<4>[ 48.514821] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 48.529297] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 357f10 R14: ffffbf7442357f10 R15: ffffa26a02b4f000 # [ 39.835<4>[ 48.537562] RBP: ffffffffa8f82441 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.552033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 48.560296] R13: ffffbf7442a8ff10 R14: ffffbf7442a8ff10 R15: ffffa26a03241000 165] FS: 00007f498642f580(0000) GS:ffffa26a7ac80000(0000) knlGS<4>[ 48.568560] FS: 00007f54de1c9580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 <4>[ 48.584101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.590812] CR2: 00007f54ddfd3000 CR3: 0000000102c4a002 CR4: 00000000003706e0 :0000000000000000 # [ 39.844495] CS: 0010 DS: 0000 ES: 0000 <4>[ 48.599076] Call Trace: CR0: 0000000080050033 # [ 39.851201] CR2: ffffbf7440354fd6 CR<4>[ 48.608309] ? __warn+0x80/0x110 <4>[ 48.618416] ? refcount_warn_saturate+0xfb/0x110 3: 00000001065fc001 CR4: 00000000003706e0 # [ 39.859460] Call<4>[ 48.623866] ? report_bug+0x9e/0xc0 Trace: # [ 39.862480] ? __die_body.cold+0x1a/0x1f # [ 39<4>[ 48.634262] ? handle_bug+0x41/0x90 .867150] ? no_context+0x177/0x380 # [ 39.871529] ? exc_page<4>[ 48.644675] ? exc_invalid_op+0x14/0x70 <4>[ 48.655456] ? asm_exc_invalid_op+0x12/0x20 _fault+0xd7/0x170 # [ 39.876197] ? asm_exc_page_fault+0x1e/0<4>[ 48.660447] ? refcount_warn_saturate+0xfb/0x110 <4>[ 48.672101] ? refcount_warn_saturate+0xfb/0x110 x30 # [ 39.881162] ? execute_location+0x45/0x56 # [ 39.88<4>[ 48.677548] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 48.689011] direct_entry.cold+0x2c/0x38 5928] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 39.890887] ? direc<4>[ 48.693685] full_proxy_write+0x53/0x80 t_entry.cold+0x2c/0x38 # [ 39.895749] ? full_proxy_write+0x5<4>[ 48.704465] vfs_write+0xe7/0x3b0 3/0x80 # [ 39.900508] ? vfs_write+0xe7/0x3b0 # [ 39.90469<4>[ 48.714676] ksys_write+0x68/0xf0 2] ? ksys_write+0x68/0xf0 # [ 39.908874] ? do_syscall_64+0x<4>[ 48.724887] do_syscall_64+0x30/0x40 30/0x40 # [ 39.913340] ? entry_SYSCALL_64_after_hwframe+0x62<4>[ 48.735384] entry_SYSCALL_64_after_hwframe+0x62/0xc7 /0xc7 # [ 39.919470] Modules linked in: fuse ip_tables cros_e<4>[ 48.747532] RIP: 0033:0x7f54de0df473 <4>[ 48.758029] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_tr<4>[ 48.779306] RSP: 002b:00007fff41cf7948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.794267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54de0df473 iggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charge<4>[ 48.802533] RDX: 0000000000000012 RSI: 00007f54ddfd3000 RDI: 0000000000000001 <4>[ 48.817007] RBP: 00007f54ddfd3000 R08: 00007f54ddfd2010 R09: 0000000000000000 r cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vma<4>[ 48.825269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.839742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_se<4>[ 48.848011] irq event stamp: 0 <4>[ 48.857917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 nsorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal <4>[ 48.865211] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.880849] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_d<4>[ 48.890279] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.903780] ---[ end trace b27dfb9cdcf5d077 ]--- <6>[ 48.909227] lkdtm: Zero detected: saturated maengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 39.978463] CR2: ffffbf7440355000 # [ 39.982452] ---[ end trace b27dfb9cdcf5d06a ]--- # [ 39.987890] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.992550] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 40.013845] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 40.019973] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.028234] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 40.036495] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 40.044756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.053017] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 40.061277] FS: 00007f498642f580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 40.070607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.077313] CR2: ffffbf7440354fd6 CR3: 00000001065fc001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 40.190150] lkdtm: Perf<6>[ 49.044456] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE orming direct entry EXEC_RODATA # [ 40.197299] lkdtm: attempt<6>[ 49.051737] lkdtm: attempting bad refcount_dec() below zero ing ok execution at ffffffffa797bbe0 # [ 40.204140] lkdtm: at<4>[ 49.064498] ------------[ cut here ]------------ tempting bad execution at ffffffffa8af8540 # [ 40.211067] ker<4>[ 49.076166] refcount_t: decrement hit 0; leaking memory. nel tried to execute NX-protected page - exploit attempt? (uid: <4>[ 49.088655] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0) # [ 40.219724] BUG: unable to handle page fault for addres<4>[ 49.104543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore s: ffffffffa8af8540 # [ 40.233911] #PF: supervisor instructio<4>[ 49.163529] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.201-cip41 #1 n fetch in kernel mode # [ 40.240523] #PF: error_code(0x0011)<4>[ 49.178690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 - permissions violation # [ 40.247038] PGD 144429067 P4D 144<4>[ 49.192036] RIP: 0010:refcount_warn_saturate+0xfb/0x110 429067 PUD 14442a063 PMD 8000000143c000e1 # [ 40.255110] Oop<4>[ 49.204372] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b s: 0011 [#9] SMP PTI # [ 40.265509] CPU: 3 PID: 1720 Comm: ca<4>[ 49.231868] RSP: 0018:ffffbf7442b0fe48 EFLAGS: 00010286 t Tainted: G D W 5.10.201-cip41 #1 # [ 40.274454<4>[ 49.244205] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 49.258668] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 ] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 4<4>[ 49.266980] RBP: ffffffffa8f82453 R08: 0000000000000000 R09: 0000000000000000 0.281555] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 40.2<4>[ 49.281443] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 87583] Code: ff ff ae fb 05 a8 ff ff ff ff d2 25 f8 a8 ff ff ff <4>[ 49.295964] R13: ffffbf7442b0ff10 R14: ffffbf7442b0ff10 R15: ffffa26a02e96000 ff f4 e2 05 a8 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 0<4>[ 49.310434] FS: 00007fc535013580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 <4>[ 49.325987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 68 69 73 20 69 # [ 40.308860] RSP: 0018:ffffbf74423efe48 EFLA<4>[ 49.338898] CR2: 00007fc534e1d000 CR3: 00000001060f0006 CR4: 00000000003706f0 GS: 00010246 # [ 40.314986] RAX: 0000000000000033 RBX: 000000<4>[ 49.353404] Call Trace: 0000000000 RCX: 0000000000000000 # [ 40.323247] RDX: 00000000<4>[ 49.362756] ? __warn+0x80/0x110 00000000 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 40.3<4>[ 49.372777] ? refcount_warn_saturate+0xfb/0x110 31507] RBP: ffffffffa8af8540 R08: 0000000000000000 R09: 00000000<4>[ 49.384472] ? report_bug+0x9e/0xc0 00000000 # [ 40.339766] R10: 00000000ffffe000 R11: 3fffffffff<4>[ 49.394854] ? handle_bug+0x41/0x90 ffffff R12: 000000000000000c # [ 40.348029] R13: ffffbf74423e<4>[ 49.405271] ? exc_invalid_op+0x14/0x70 ff10 R14: ffffbf74423eff10 R15: ffffa26a059b7000 # [ 40.35629<4>[ 49.416042] ? asm_exc_invalid_op+0x12/0x20 0] FS: 00007f7a72d12580(0000) GS:ffffa26a7ad80000(0000) knlGS:0<4>[ 49.427255] ? refcount_warn_saturate+0xfb/0x110 000000000000000 # [ 40.365619] CS: 0010 DS: 0000 ES: 0000 CR<4>[ 49.438901] ? refcount_warn_saturate+0xfb/0x110 0: 0000000080050033 # [ 40.372327] CR2: ffffffffa8af8540 CR3:<4>[ 49.450570] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 0000000102c10003 CR4: 00000000003706e0 # [ 40.380588] Call T<4>[ 49.462420] direct_entry.cold+0x2c/0x38 race: # [ 40.383607] ? __die_body.cold+0x1a/0x1f # [ 40.3<4>[ 49.473333] full_proxy_write+0x53/0x80 88277] ? no_context+0x177/0x380 # [ 40.392679] ? exc_page_f<4>[ 49.484097] vfs_write+0xe7/0x3b0 ault+0xd7/0x170 # [ 40.397351] ? asm_exc_page_fault+0x1e/0x3<4>[ 49.494329] ksys_write+0x68/0xf0 0 # [ 40.408527] ? execute_location+0x45/0x56 # [ 40.4132<4>[ 49.504513] do_syscall_64+0x30/0x40 91] ? direct_entry.cold+0x2c/0x38 # [ 40.418156] ? full_pro<4>[ 49.515035] entry_SYSCALL_64_after_hwframe+0x62/0xc7 xy_write+0x53/0x80 # [ 40.422923] ? vfs_write+0xe7/0x3b0 # <4>[ 49.527162] RIP: 0033:0x7fc534f29473 [ 40.427106] ? ksys_write+0x68/0xf0 # [ 40.431289] ? do_s<4>[ 49.537695] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 yscall_64+0x30/0x40 # [ 40.435761] ? entry_SYSCALL_64_after_<4>[ 49.565160] RSP: 002b:00007fffe05deab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 hwframe+0x62/0xc7 # [ 40.441888] Modules linked in: fuse ip_t<4>[ 49.580137] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc534f29473 ables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core ind<4>[ 49.594604] RDX: 0000000000000016 RSI: 00007fc534e1d000 RDI: 0000000000000001 ustrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_<4>[ 49.609108] RBP: 00007fc534e1d000 R08: 00007fc534e1c010 R09: 0000000000000000 usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger v<4>[ 49.623575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ideobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memop<4>[ 49.638079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_t<4>[ 49.652551] irq event stamp: 0 emp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compre<4>[ 49.662480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ss snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify corebo<4>[ 49.675985] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ot_table cros_kbd_led_backlight chromeos_pstore # [ 40.500885<4>[ 49.691661] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ] CR2: ffffffffa8af8540 # [ 40.504875] ---[ end trace b27dfb9<4>[ 49.707292] softirqs last disabled at (0): [<0000000000000000>] 0x0 cdcf5d06b ]--- # [ 40.510312] RIP: 0010:lkdtm_BUG+0x5/0x10 #<4>[ 49.720799] ---[ end trace b27dfb9cdcf5d078 ]--- [ 40.514981] Code: 89 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff <6>[ 49.732451] lkdtm: Negative detected: saturated 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 a0 64 0b 03 # [ 40.536260] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 40.542385] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.550645] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 40.558931] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 40.567191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.575453] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 40.583727] FS: 00007f7a72d12580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 40.593055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.599763] CR2: ffffffffa8af8540 CR3: 0000000102c10003 CR4: 00000000003706e0 # [ 40.608025] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.618228] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat # [ 40.626975] INFO: lockdep is turned off. # [ 40.631642] irq event stamp: 0 # [ 40.635338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.642630] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.652055] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.661482] softirqs last disabled at (0):<6>[ 49.882494] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [<0000000000000000>] 0x0 # [ 40.668773] CPU: 3 PID: 1720 Com<6>[ 49.894845] lkdtm: attempting bad refcount_dec_and_test() below zero m: cat Tainted: G D W 5.10.201-cip41 #1 # [ 40.6<4>[ 49.908466] ------------[ cut here ]------------ <4>[ 49.920107] refcount_t: underflow; use-after-free. 77705] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # <4>[ 49.925781] WARNING: CPU: 2 PID: 2214 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 40.684819] Call Trace: # [ 40.687838] dump_stack+0x77/0x<4>[ 49.941682] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 9b # [ 40.691829] ___might_sleep.cold+0xa6/0xb6 # [ 40.69<4>[ 50.000656] CPU: 2 PID: 2214 Comm: cat Tainted: G D W 5.10.201-cip41 #1 6694] exit_signals+0x1c/0x300 # [ 40.700974] do_exit+0xc2/0<4>[ 50.015798] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 xab0 # [ 40.704770] ? ksys_write+0x68/0xf0 # [ 40.708955]<4>[ 50.029112] RIP: 0010:refcount_warn_saturate+0xba/0x110 make_task_dead+0x2f/0x30 # [ 40.713333] rewind_stack_and_m<4>[ 50.041456] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 ake_dead+0x17/0x20 # [ 40.718875] RIP: 0033:0x7f7a72c28473 #<4>[ 50.068946] RSP: 0018:ffffbf7442b97e40 EFLAGS: 00010286 [ 40.723155] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 <4>[ 50.081309] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b<4>[ 50.095769] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 <4>[ 50.110243] RBP: ffffffffa8f820a8 R08: 0000000000000000 R09: 0000000000000000 83 ec 28 48 89 54 24 18 # [ 40.744429] RSP: 002b:00007ffd94db<4>[ 50.124726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 07a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.75317<4>[ 50.139203] R13: ffffbf7442b97f10 R14: ffffbf7442b97f10 R15: ffffa26a02cff000 7] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7a72c2<4>[ 50.153683] FS: 00007f9b462a7580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 8473 # [ 40.761436] RDX: 000000000000000c RSI: 00007f7a72b1c0<4>[ 50.169227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 RDI: 0000000000000001 # [ 40.769698] RBP: 00007f7a72b1c000<4>[ 50.182151] CR2: 00007f9b460b1000 CR3: 0000000102c38005 CR4: 00000000003706e0 R08: 00007f7a72b1b010 R09: 0000000000000000 # [ 40.777959] R<4>[ 50.196630] Call Trace: 10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001<4>[ 50.205870] ? __warn+0x80/0x110 # [ 40.786219] R13: 0000000000000001 R14: 0000000000020000 R<4>[ 50.215977] ? refcount_warn_saturate+0xba/0x110 15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 3<4>[ 50.227643] ? report_bug+0x9e/0xc0 4 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USE<4>[ 50.238044] ? handle_bug+0x41/0x90 RSPACE.sh # Killed # [ 40.930323] lkdtm: Performing direct e<4>[ 50.248441] ? exc_invalid_op+0x14/0x70 ntry EXEC_USERSPACE # [ 40.937612] lkdtm: attempting ok execu<4>[ 50.259230] ? asm_exc_invalid_op+0x12/0x20 tion at ffffffffa797bbe0 # [ 40.944459] lkdtm: attempting bad<4>[ 50.270409] ? refcount_warn_saturate+0xba/0x110 execution at 00007f299759a000 # [ 40.951391] unable to execu<4>[ 50.282070] __refcount_sub_and_test.constprop.0+0x3c/0x50 te userspace code (SMEP?) (uid: 0) # [ 40.958108] BUG: unable<4>[ 50.294745] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 to handle page fault for address: 00007f299759a000 # [ 40.96<4>[ 50.307480] direct_entry.cold+0x2c/0x38 6082] #PF: supervisor instruction fetch in kernel mode # [ 40<4>[ 50.318369] full_proxy_write+0x53/0x80 .972692] #PF: error_code(0x0011) - permissions violation # [ <4>[ 50.329154] vfs_write+0xe7/0x3b0 40.979205] PGD 8000000106426067 P4D 8000000106426067 PUD 1052a40<4>[ 50.339360] ksys_write+0x68/0xf0 67 PMD 10607c067 PTE 107f2d067 # [ 40.989219] Oops: 0011 [#10<4>[ 50.349566] do_syscall_64+0x30/0x40 ] SMP PTI # [ 40.993498] CPU: 1 PID: 1757 Comm: cat Tainted: <4>[ 50.360063] entry_SYSCALL_64_after_hwframe+0x62/0xc7 G D W 5.10.201-cip41 #1 # [ 41.002429] Hardware <4>[ 50.372209] RIP: 0033:0x7f9b461bd473 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.009526] R<4>[ 50.382722] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 IP: 0010:0x7f299759a000 # [ 41.013804] Code: Unable to access<4>[ 50.410217] RSP: 002b:00007ffe4b7d6e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 opcode bytes at RIP 0x7f2997599fd6. # [ 41.021384] RSP: 0018<4>[ 50.425180] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9b461bd473 :ffffbf744246fe50 EFLAGS: 00010246 # [ 41.027509] RAX: 000000<4>[ 50.439680] RDX: 000000000000001f RSI: 00007f9b460b1000 RDI: 0000000000000001 0000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 41<4>[ 50.454159] RBP: 00007f9b460b1000 R08: 00007f9b460b0010 R09: 0000000000000000 .035769] RDX: 0000000000000000 RSI: ffffa26a7ac9bf50 RDI: ffffa2<4>[ 50.468643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6a7ac9bf50 # [ 41.044030] RBP: 00007f299759a000 R08: 00000000<4>[ 50.483121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 R09: 0000000000000000 # [ 41.052291] R10: 00000000ff<4>[ 50.497607] irq event stamp: 0 ffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 41.060<4>[ 50.507517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 552] R13: ffffbf744246ff10 R14: ffffbf744246ff10 R15: ffffa26a06<4>[ 50.521024] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 320000 # [ 41.068811] FS: 00007f299756b580(0000) GS:ffffa26a<4>[ 50.536667] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 7ac80000(0000) knlGS:0000000000000000 # [ 41.078141] CS: 001<4>[ 50.552312] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.084848] CR2:<4>[ 50.565819] ---[ end trace b27dfb9cdcf5d079 ]--- 00007f299759a000 CR3: 0000000106170003 CR4: 00000000003706e0 #<6>[ 50.577482] lkdtm: Negative detected: saturated [ 41.093109] Call Trace: # [ 41.096129] ? __die_body.cold+0x1a/0x1f # [ 41.100798] ? no_context+0x177/0x380 # [ 41.105178] ? exc_page_fault+0x53/0x170 # [ 41.109847] ? asm_exc_page_fault+0x1e/0x30 # [ 41.114803] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 41.120442] ? direct_entry.cold+0x2c/0x38 # [ 41.125296] ? full_proxy_write+0x53/0x80 # [ 41.130063] ? vfs_write+0xe7/0x3b0 # [ 41.134246] ? ksys_write+0x68/0xf0 # [ 41.138420] ? do_syscall_64+0x30/0x40 # [ 41.142893] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.149020] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 41.208015] CR2: 00007f299759a000 # [ 41.212004] ---[ end trace b27dfb9cdcf5d06c ]--- # [ 41.217450] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.222118] Code: 89 ff e8 6e d9 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<6>[ 50.724164] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 50.734015] lkdtm: attempting bad refcount_sub_and_test() below zero 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 64 0b 03 # [ 41<4>[ 50.741417] ------------[ cut here ]------------ <4>[ 50.753070] refcount_t: underflow; use-after-free. <4>[ 50.758753] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 .243384] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 41.2<4>[ 50.768480] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 50.827430] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 50.836395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.843492] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 50.849620] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 50.870894] RSP: 0018:ffffbf7442c2fe40 EFLAGS: 00010286 <4>[ 50.877021] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 50.885274] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 <4>[ 50.893537] RBP: ffffffffa8f820c8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.901797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 50.910058] R13: ffffbf7442c2ff10 R14: ffffbf7442c2ff10 R15: ffffa26a06556000 <4>[ 50.918319] FS: 00007f132624c580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 50.927664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 49508] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 00000000<4>[ 50.934384] CR2: 00007f1326056000 CR3: 000000010274c005 CR4: 00000000003706e0 <4>[ 50.948854] Call Trace: <4>[ 50.951866] ? __warn+0x80/0x110 <4>[ 50.955782] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.961230] ? report_bug+0x9e/0xc0 <4>[ 50.965416] ? handle_bug+0x41/0x90 <4>[ 50.969601] ? exc_invalid_op+0x14/0x70 <4>[ 50.974174] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.979138] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.984616] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 50.991035] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 50.997551] direct_entry.cold+0x2c/0x38 00000000 # [ 41.257770] RDX: 0000000000000000 RSI: ffffa26a7a<4>[ 51.002225] full_proxy_write+0x53/0x80 d9bf50 RDI: ffffffffa8af80b0 # [ 41.266031] RBP: ffffffffa8fe<4>[ 51.013014] vfs_write+0xe7/0x3b0 8528 R08: 0000000000000001 R09: 0000000000000001 # [ 41.27429<4>[ 51.023221] ksys_write+0x68/0xf0 <4>[ 51.033431] do_syscall_64+0x30/0x40 <4>[ 51.037745] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.043686] RIP: 0033:0x7f1326162473 <4>[ 51.047973] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 51.069275] RSP: 002b:00007ffe60b61d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 51.078038] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1326162473 <4>[ 51.092506] RDX: 000000000000001f RSI: 00007f1326056000 RDI: 0000000000000001 <4>[ 51.100770] RBP: 00007f1326056000 R08: 00007f1326055010 R09: 0000000000000000 <4>[ 51.109033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.117297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.125566] irq event stamp: 0 <4>[ 51.129297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.136591] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.146021] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.155449] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.162743] ---[ end trace b27dfb9cdcf5d07a ]--- <6>[ 51.168191] lkdtm: Negative detected: saturated 0004 # [ 41.282552] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 41.290813] FS: 00007f299756b580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 41.300142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.306848] CR2: 00007f299759a000 CR3: 0000000106170003 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 41.421381] lkdtm: Performing direct entry EXEC_NULL # [ 41.432862] lkdtm: attempting ok execution at ffffffffa797bbe0 # [ 41.445888] lkdtm: attempting bad execution at 0000000000000000 # [ 41.459010] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.473290] #PF: supervisor instruction fetch in kernel mode # [ 41.479894] #PF: error_code(0x0010) - not-present page # [ 41.485921] PGD 0 P4D 0 # [ 41.489039] Oops: 0010 [#11] SMP PTI # [ 41.499533] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 41.508474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.515570] RIP: 0010:0x0 # [ 41.518783] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 41.526741] RSP: 0018:ffffbf74424dfe48 EFLAGS: 00010<6>[ 51.292569] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 51.304500] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 51.311902] lkdtm: Good: zero detected 246 # [ 41.532867] RAX: 0000000000000033 RBX: 000000000000000<6>[ 51.316385] lkdtm: Correctly stayed at zero <6>[ 51.327565] lkdtm: attempting bad refcount_inc() from zero 0 RCX: 0000000000000000 # [ 41.541127] RDX: 0000000000000000 <4>[ 51.333984] ------------[ cut here ]------------ <4>[ 51.345662] refcount_t: addition on 0; use-after-free. RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 41.549386] RB<4>[ 51.351715] WARNING: CPU: 3 PID: 2283 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 P: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.367629] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 51.426619] CPU: 3 PID: 2283 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 51.435563] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.557646] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 51.442675] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 51.455017] Code: 02 01 e8 89 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a8 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed <4>[ 51.476292] RSP: 0018:ffffbf7442ca7e48 EFLAGS: 00010286 <4>[ 51.482418] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 51.490682] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 <4>[ 51.498945] RBP: ffffffffa8f82469 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.507206] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 51.515458] R13: ffffbf7442ca7f10 R14: ffffbf7442ca7f10 R15: ffffa26a06320000 <4>[ 51.523725] FS: 00007f2b7f8a7580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 51.533056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.539764] CR2: 00007f2b7f6b1000 CR3: 00000001032e0005 CR4: 00000000003706e0 <4>[ 51.548025] Call Trace: <4>[ 51.551038] ? __warn+0x80/0x110 <4>[ 51.554962] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.560410] ? report_bug+0x9e/0xc0 <4>[ 51.564596] ? handle_bug+0x41/0x90 <4>[ 51.568779] ? exc_invalid_op+0x14/0x70 <4>[ 51.573352] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.578318] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.583789] ? refcount_warn_saturate+0x74/0x110 <4>[ 51.589234] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 2: 000000000000000a # [ 41.565906] R13: ffffbf74424dff10 R14:<4>[ 51.594491] direct_entry.cold+0x2c/0x38 ffffbf74424dff10 R15: ffffa26a02d83000 # [ 41.574166] FS: 0<4>[ 51.605380] full_proxy_write+0x53/0x80 0007f51b537e580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000<4>[ 51.616167] vfs_write+0xe7/0x3b0 <4>[ 51.626373] ksys_write+0x68/0xf0 <4>[ 51.630367] do_syscall_64+0x30/0x40 <4>[ 51.634668] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.640601] RIP: 0033:0x7f2b7f7bd473 <4>[ 51.644883] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 51.666161] RSP: 002b:00007ffdeac3f048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000 # [ 41.583494] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 51.674941] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2b7f7bd473 <4>[ 51.689409] RDX: 0000000000000012 RSI: 00007f2b7f6b1000 RDI: 0000000000000001 <4>[ 51.697676] RBP: 00007f2b7f6b1000 R08: 00007f2b7f6b0010 R09: 0000000000000000 <4>[ 51.705939] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.714203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 51.722468] irq event stamp: 0 <4>[ 51.726190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.733483] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.742912] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.752338] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.759629] ---[ end trace b27dfb9cdcf5d07b ]--- <6>[ 51.765074] lkdtm: Zero detected: saturated 0080050033 # [ 41.590199] CR2: ffffffffffffffd6 CR3: 0000000102b20004 CR4: 00000000003706e0 # [ 41.598460] Call Trace: # [ 41.601480] ? __die_body.cold+0x1a/0x1f # [ 41.606150] ? no_context+0x177/0x380 # [ 41.616741] ? exc_page_fault+0x53/0x170 # [ 41.621410] ? asm_exc_page_fault+0x1e/0x30 # [ 41.632585] execute_location+0x45/0x56 # [ 41.643373] direct_entry.cold+0x2c/0x38 # [ 41.648042] full_proxy_write+0x53/0x80 # [ 41.652615] vfs_write+0xe7/0x3b0 # [ 41.656607] ksys_write+0x68/0xf0 # [ 41.660597] do_syscall_64+0x30/0x40 # [ 41.664877] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.670807] RIP: 0033:0x7f51b5294473 # [ 41.675085] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.696360] RSP: 002b:00007fff47f82f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.705098] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f51b5294473 # [ 41.713358] RDX: 000000000000000a RSI: 00007f51b5188000 RDI: 0000000000000001 # [ 41.721616] RBP: 00007f51b5188000 R08: 00007f51b5187010 R09: 0000000000000000 # [ 41.729876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.738136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # <6>[ 51.905410] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 51.913423] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 51.920833] lkdtm: Good: zero detected [ 41.746399] Modules linked in: fuse ip_tables cros_ec_lid_ang<6>[ 51.925325] lkdtm: Correctly stayed at zero <6>[ 51.936502] lkdtm: attempting bad refcount_add() from zero le cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b<4>[ 51.942920] ------------[ cut here ]------------ <4>[ 51.954583] refcount_t: addition on 0; use-after-free. <4>[ 51.960652] WARNING: CPU: 1 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 uffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec<4>[ 51.970376] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 52.029351] CPU: 1 PID: 2316 Comm: cat Tainted: G D W 5.10.201-cip41 #1 _sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros<4>[ 52.038307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.051610] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 52.057740] Code: 02 01 e8 89 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a8 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed <4>[ 52.079017] RSP: 0018:ffffbf7442d37e48 EFLAGS: 00010286 <4>[ 52.085146] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 52.093412] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 <4>[ 52.101676] RBP: ffffffffa8f8247b R08: 0000000000000000 R09: 0000000000000000 _ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub s<4>[ 52.109943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 52.124416] R13: ffffbf7442d37f10 R14: ffffbf7442d37f10 R15: ffffa26a0596b000 <4>[ 52.132682] FS: 00007f2da8050580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 52.142018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.148732] CR2: 00007f2da7e5a000 CR3: 0000000105992006 CR4: 00000000003706e0 <4>[ 52.156996] Call Trace: <4>[ 52.160019] ? __warn+0x80/0x110 <4>[ 52.163946] ? refcount_warn_saturate+0x74/0x110 <4>[ 52.169426] ? report_bug+0x9e/0xc0 <4>[ 52.173615] ? handle_bug+0x41/0x90 <4>[ 52.177828] ? exc_invalid_op+0x14/0x70 <4>[ 52.182405] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.187372] ? refcount_warn_saturate+0x74/0x110 nd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<4>[ 52.192853] ? refcount_warn_saturate+0x74/0x110 ev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine <4>[ 52.204515] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led<4>[ 52.215986] direct_entry.cold+0x2c/0x38 <4>[ 52.226875] full_proxy_write+0x53/0x80 <4>[ 52.231480] vfs_write+0xe7/0x3b0 <4>[ 52.235473] ksys_write+0x68/0xf0 <4>[ 52.239497] do_syscall_64+0x30/0x40 <4>[ 52.243780] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.249714] RIP: 0033:0x7f2da7f66473 <4>[ 52.254042] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 52.275315] RSP: 002b:00007fffae40ef48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.284065] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2da7f66473 <4>[ 52.292329] RDX: 0000000000000012 RSI: 00007f2da7e5a000 RDI: 0000000000000001 <4>[ 52.300591] RBP: 00007f2da7e5a000 R08: 00007f2da7e59010 R09: 0000000000000000 <4>[ 52.308855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.317121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.325389] irq event stamp: 0 <4>[ 52.329119] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.336413] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.345844] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.355273] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.362564] ---[ end trace b27dfb9cdcf5d07c ]--- <6>[ 52.368013] lkdtm: Zero detected: saturated _backlight chromeos_pstore # [ 41.805352] CR2: 0000000000000000 # [ 41.809330] ---[ end trace b27dfb9cdcf5d06d ]--- # [ 41.814776] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.819444] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 41.840726] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 41.846851] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.855103] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 41.863362] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 41.871622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.879882] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 41.888142] FS: 00007f51b537e580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 41.897471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.904177] CR2: ffffffffffffffd6 CR3: 0000000102b20004 CR4: 00000000003706e0 # [ 41.912438] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.922641] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat # [ 41.931387] INFO: lockdep is turned off. # [ 41.936054] irq event stamp: 0 # [ 41.939751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.947041] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.956467] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.965890] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.973179] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 41.982119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.989213] Call Trace: # [ 41.992232] dump_stack+0x77/0x9b # [ 41.996223] ___might_sleep.cold+0xa6/0xb6 # [ 42.007298] exit_signals+0x1c/0x300 # [ 42.011578] do_exit+0xc2/0xab0 # [ 42.015363] ? ksys_write+0x68/0xf0 # [ 42.019538] make_task_dead+0x2f/0x30 # [ 42.023915] rewind_stack_and_make_dead+0x17/0x20 # [ 42.029458] RIP: 0033:0x7f51b5294473 # [ 42.033736] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.055010] RSP: 002b:00007fff47f82f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.063757] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f51b5294473 # [ 42.072017] RDX: 000000000000000a RSI: 00007f51b5188000 RDI: 0000000000000001 # [ 42.080277] RBP: 00007f51b5188000 R08: 00007f51b5187010 R09: 0000000000000000 # [ 42.088536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.096797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 42.277844] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 42.285610] lkdtm: attempting bad read at 00007fdde1fe0000 # [ 42.292044] BUG: unable to handle page fault for address: <6>[ 52.694455] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00007fdde1fe0000 # [ 42.300014] #PF: supervisor read access i<6>[ 52.707623] lkdtm: attempting bad refcount_inc() from saturated n kernel mode # [ 42.306045] #PF: error_code(0x0001) - permis<4>[ 52.720749] ------------[ cut here ]------------ sions violation # [ 42.312550] PGD 80000001027bf067 P4D 80000<4>[ 52.732408] refcount_t: saturated; leaking memory. 001027bf067 PUD 102bbd067 PMD 102c06067 PTE 107f94067 # [ 42.<4>[ 52.744301] WARNING: CPU: 2 PID: 2352 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 322561] Oops: 0001 [#12] SMP PTI # [ 42.326841] CPU: 3 PID: 1<4>[ 52.760204] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 830 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [<4>[ 52.819157] CPU: 2 PID: 2352 Comm: cat Tainted: G D W 5.10.201-cip41 #1 42.335771] Hardware name: Google Rammus/Rammus, BIOS 09/04/2<4>[ 52.834318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 020 # [ 42.342870] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41<4>[ 52.847630] RIP: 0010:refcount_warn_saturate+0x51/0x110 /0xa3 # [ 42.349382] Code: 00 00 00 75 64 48 83 c4 10 5d c3 c<4>[ 52.859971] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed c cc cc cc 48 89 ee 48 c7 c7 f0 32 f8 a8 e8 44 d8 fb ff 48 c7 c7<4>[ 52.887462] RSP: 0018:ffffbf7442dd7e48 EFLAGS: 00010286 18 33 f8 a8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 2b d8 f<4>[ 52.899803] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 b ff 48 89 ee 48 c7 c7 40 33 f8 # [ 42.370672] RSP: 0018:ffff<4>[ 52.914281] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 bf7442587e48 EFLAGS: 00010246 # [ 42.376796] RAX: 00000000c0d<4>[ 52.928757] RBP: ffffffffa8f8248d R08: 0000000000000000 R09: 0000000000000000 ec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 42.3850<4>[ 52.943235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 55] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8f<4>[ 52.957725] R13: ffffbf7442dd7f10 R14: ffffbf7442dd7f10 R15: ffffa26a02bb6000 83318 # [ 42.393314] RBP: 00007fdde1fe0000 R08: 0000000000000<4>[ 52.972205] FS: 00007f0502f71580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 000 R09: 0000000000000000 # [ 42.401576] R10: 00000000ffffe00<4>[ 52.987750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 R11: 3fffffffffffffff R12: 0000000000000011 # [ 42.409834] <4>[ 53.000675] CR2: 00007f0502d7b000 CR3: 0000000102c4e004 CR4: 00000000003706e0 <4>[ 53.015153] Call Trace: R13: ffffbf7442587f10 R14: ffffbf7442587f10 R15: ffffa26a0642700<4>[ 53.018195] ? __warn+0x80/0x110 <4>[ 53.028275] ? refcount_warn_saturate+0x51/0x110 0 # [ 42.418094] FS: 00007fdde1fb1580(0000) GS:ffffa26a7ad80<4>[ 53.033763] ? report_bug+0x9e/0xc0 000(0000) knlGS:0000000000000000 # [ 42.427423] CS: 0010 DS:<4>[ 53.044158] ? handle_bug+0x41/0x90 <4>[ 53.054533] ? exc_invalid_op+0x14/0x70 0000 ES: 0000 CR0: 0000000080050033 # [ 42.434129] CR2: 0000<4>[ 53.059108] ? asm_exc_invalid_op+0x12/0x20 7fdde1fe0000 CR3: 0000000102efc001 CR4: 00000000003706e0 # [ <4>[ 53.070281] ? refcount_warn_saturate+0x51/0x110 <4>[ 53.081943] ? refcount_warn_saturate+0x51/0x110 42.442388] Call Trace: # [ 42.445408] ? __die_body.cold+0x1a<4>[ 53.087391] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 53.099339] direct_entry.cold+0x2c/0x38 /0x1f # [ 42.450078] ? no_context+0x177/0x380 # [ 42.4544<4>[ 53.104014] full_proxy_write+0x53/0x80 57] ? exc_page_fault+0x53/0x170 # [ 42.459124] ? asm_exc_pa<4>[ 53.114796] vfs_write+0xe7/0x3b0 <4>[ 53.125003] ksys_write+0x68/0xf0 ge_fault+0x1e/0x30 # [ 42.464085] ? lkdtm_ACCESS_USERSPACE.c<4>[ 53.128996] do_syscall_64+0x30/0x40 <4>[ 53.139487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 old+0x41/0xa3 # [ 42.469918] ? lkdtm_ACCESS_USERSPACE.cold+0<4>[ 53.145422] RIP: 0033:0x7f0502e87473 <4>[ 53.155914] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 x35/0xa3 # [ 42.475744] direct_entry.cold+0x2c/0x38 # [ 4<4>[ 53.177189] RSP: 002b:00007ffdd4ddb558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.192148] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0502e87473 <4>[ 53.200412] RDX: 0000000000000017 RSI: 00007f0502d7b000 RDI: 0000000000000001 <4>[ 53.208677] RBP: 00007f0502d7b000 R08: 00007f0502d7a010 R09: 0000000000000000 2.480404] full_proxy_write+0x53/0x80 # [ 42.484977] vfs_wri<4>[ 53.216941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.231414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 te+0xe7/0x3b0 # [ 42.488965] ksys_write+0x68/0xf0 # [ 42.<4>[ 53.239682] irq event stamp: 0 <4>[ 53.249592] hardirqs last enabled at (0): [<0000000000000000>] 0x0 492953] do_syscall_64+0x30/0x40 # [ 42.497233] entry_SYSCAL<4>[ 53.256889] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 L_64_after_hwframe+0x62/0xc7 # [ 42.503163] RIP: 0033:0x7fdde<4>[ 53.272527] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 1ec7473 # [ 42.507442] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02<4>[ 53.288171] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.301680] ---[ end trace b27dfb9cdcf5d07d ]--- 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 <6>[ 53.307128] lkdtm: Saturation detected: still saturated c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.528709] RSP: 002b:00007ffe2fe29188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.537498] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdde1ec7473 # [ 42.545760] RDX: 0000000000000011 RSI: 00007fdde1dbb000 RDI: 0000000000000001 # [ 42.554019] RBP: 00007fdde1dbb000 R08: 00007fdde1dba010 R09: 0000000000000000 # [ 42.562279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.570538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.578802] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 42.637793] CR2: 00007fdde1fe0000 # [ 42.641782] ---[ end trace b27dfb9cdcf5d06e ]--- # [ 42.647226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.651893] Code: 89 ff e8 6e d9 79 ff 48 c7 c0<6>[ 53.445013] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 <6>[ 53.457109] lkdtm: attempting bad refcount_dec() from saturated f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00<4>[ 53.470241] ------------[ cut here ]------------ 00 0f 1f 44 00 00 83 05 a0 64 0b 03 # [ 42.673168] RSP: 0018<4>[ 53.481900] refcount_t: decrement hit 0; leaking memory. :ffffbf74412dfe60 EFLAGS: 00010282 # [ 42.679292] RAX: ffffff<4>[ 53.494365] WARNING: CPU: 0 PID: 2388 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42<4>[ 53.510285] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore .687552] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffff<4>[ 53.569236] CPU: 0 PID: 2388 Comm: cat Tainted: G D W 5.10.201-cip41 #1 ffa8af80b0 # [ 42.695813] RBP: ffffffffa8fe8528 R08: 00000000<4>[ 53.584390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000001 R09: 0000000000000001 # [ 42.704075] R10: 00000000ff<4>[ 53.597744] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.712<4>[ 53.610054] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 337] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a03<4>[ 53.637565] RSP: 0018:ffffbf7442e4fe48 EFLAGS: 00010286 3cc000 # [ 42.720597] FS: 00007fdde1fb1580(0000) GS:ffffa26a<4>[ 53.649887] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 7ad80000(0000) knlGS:0000000000000000 # [ 42.729926] CS: 001<4>[ 53.664399] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.736633] CR2:<4>[ 53.678845] RBP: ffffffffa8f824a4 R08: 0000000000000000 R09: 0000000000000000 00007fdde1fe0000 CR3: 0000000102efc001 CR4: 00000000003706e0 #<4>[ 53.693332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm<4>[ 53.707823] R13: ffffbf7442e4ff10 R14: ffffbf7442e4ff10 R15: ffffa26a0484c000 : ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Kil<4>[ 53.722343] FS: 00007f0597bed580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 led # [ 42.899350] lkdtm: Performing direct entry ACCESS_NULL<4>[ 53.737876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.906340] lkdtm: attempting bad read at 000000000000000<4>[ 53.750811] CR2: 00007f05979f7000 CR3: 0000000105bae001 CR4: 00000000003706f0 0 # [ 42.912771] BUG: kernel NULL pointer dereference, addres<4>[ 53.765282] Call Trace: s: 0000000000000000 # [ 42.920861] #PF: supervisor read acces<4>[ 53.774556] ? __warn+0x80/0x110 s in kernel mode # [ 42.933102] #PF: error_code(0x0000) - not<4>[ 53.784655] ? refcount_warn_saturate+0xfb/0x110 -present page # [ 42.939122] PGD 0 P4D 0 # [ 42.942238] O<4>[ 53.796353] ? report_bug+0x9e/0xc0 ops: 0000 [#13] SMP PTI # [ 42.946518] CPU: 1 PID: 1866 Comm:<4>[ 53.806761] ? handle_bug+0x41/0x90 cat Tainted: G D W 5.10.201-cip41 #1 # [ 42.955<4>[ 53.817149] ? exc_invalid_op+0x14/0x70 450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 53.827935] ? asm_exc_invalid_op+0x12/0x20 42.962548] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 42.968<4>[ 53.839170] ? refcount_warn_saturate+0xfb/0x110 091] Code: e8 d7 fb ff be 00 10 00 00 48 89 ef e8 97 7b 0a ff e9<4>[ 53.850828] ? refcount_warn_saturate+0xfb/0x110 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 f0 32 f8 a8 e8 c2 <4>[ 53.862517] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 18 33<4>[ 53.874468] direct_entry.cold+0x2c/0x38 f8 a8 48 01 # [ 42.989365] RSP: 0018:ffffbf74425ffe58 EFLAGS<4>[ 53.885392] full_proxy_write+0x53/0x80 : 00010246 # [ 42.995489] RAX: 000000000000002e RBX: 00000000<4>[ 53.896175] vfs_write+0xe7/0x3b0 00000027 RCX: 0000000000000000 # [ 43.003749] RDX: 0000000000<4>[ 53.906428] ksys_write+0x68/0xf0 000000 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 43.012<4>[ 53.916615] do_syscall_64+0x30/0x40 009] RBP: ffffffffa8f823e1 R08: 0000000000000000 R09: 0000000000<4>[ 53.927163] entry_SYSCALL_64_after_hwframe+0x62/0xc7 000000 # [ 43.020269] R10: 00000000ffffe000 R11: 3fffffffffff<4>[ 53.939283] RIP: 0033:0x7f0597b03473 ffff R12: 000000000000000c # [ 43.028529] R13: ffffbf74425fff<4>[ 53.949875] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 10 R14: ffffbf74425fff10 R15: ffffa26a052ad000 # [ 43.036788]<4>[ 53.977315] RSP: 002b:00007fff4b5def78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 FS: 00007f6306842580(0000) GS:ffffa26a7ac80000(0000) knlGS:000<4>[ 53.992263] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0597b03473 0000000000000 # [ 43.046116] CS: 0010 DS: 0000 ES: 0000 CR0:<4>[ 54.006773] RDX: 0000000000000017 RSI: 00007f05979f7000 RDI: 0000000000000001 0000000080050033 # [ 43.052821] CR2: 0000000000000000 CR3: 0<4>[ 54.021250] RBP: 00007f05979f7000 R08: 00007f05979f6010 R09: 0000000000000000 <4>[ 54.035733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000001064ae004 CR4: 00000000003706e0 # [ 43.061081] Call Tra<4>[ 54.044029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ce: # [ 43.064100] ? __die_body.cold+0x1a/0x1f # [ 43.068<4>[ 54.058527] irq event stamp: 0 771] ? no_context+0x177/0x380 # [ 43.073152] ? exc_page_fau<4>[ 54.068424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 lt+0x53/0x170 # [ 43.077821] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.081938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.082784] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.08767<4>[ 54.097570] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 1] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.092533] direct_entr<4>[ 54.113265] softirqs last disabled at (0): [<0000000000000000>] 0x0 y.cold+0x2c/0x38 # [ 43.097202] full_proxy_write+0x53/0x80 <4>[ 54.126762] ---[ end trace b27dfb9cdcf5d07e ]--- # [ 43.101775] vfs_write+0xe7/0x3b0 # [ 43.105762] ksys_w<6>[ 54.138426] lkdtm: Saturation detected: still saturated rite+0x68/0xf0 # [ 43.109750] do_syscall_64+0x30/0x40 # [ 43.114029] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.119960] RIP: 0033:0x7f6306758473 # [ 43.124239] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.145514] RSP: 002b:00007ffeeae89458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.154253] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6306758473 # [ 43.162514] RDX: 000000000000000c RSI: 00007f630664c000 RDI: 0000000000000001 # [ 43.170766] RBP: 00007f630664c000 R08: 00007f630664b010 R09: 0000000000000000 # [ 43.179027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.187287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.195551] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev sn<6>[ 54.273388] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED d_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regma<6>[ 54.282205] lkdtm: attempting bad refcount_dec() from saturated p_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_back<4>[ 54.295340] ------------[ cut here ]------------ light chromeos_pstore # [ 43.254537] CR2: 0000000000000000 #<4>[ 54.307024] refcount_t: saturated; leaking memory. [ 43.258517] ---[ end trace b27dfb9cdcf5d06f ]--- # [ 43.2<4>[ 54.318899] WARNING: CPU: 0 PID: 2424 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 63963] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.268631] Code: 89 f<4>[ 54.334796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore f e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff<4>[ 54.393765] CPU: 0 PID: 2424 Comm: cat Tainted: G D W 5.10.201-cip41 #1 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0<4>[ 54.408988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 64 0b 03 #<4>[ 54.422301] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 43.289905] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [<4>[ 54.434643] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed 43.296028] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0<4>[ 54.462090] RSP: 0018:ffffbf7442ee7e48 EFLAGS: 00010286 000000000000000 # [ 43.304289] RDX: 0000000000000000 RSI: fff<4>[ 54.474461] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 fa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 43.312548] RBP: fffff<4>[ 54.488930] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 fffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 4<4>[ 54.503391] RBP: ffffffffa8f824bb R08: 0000000000000000 R09: 0000000000000000 3.320808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[ 54.517899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 00000000004 # [ 43.329067] R13: ffffbf74412dff10 R14: ffffbf7<4>[ 54.532344] R13: ffffbf7442ee7f10 R14: ffffbf7442ee7f10 R15: ffffa26a02662000 4412dff10 R15: ffffa26a033cc000 # [ 43.337326] FS: 00007f630<4>[ 54.546841] FS: 00007fc32049a580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 6842580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 54.562367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.346674] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 54.575335] CR2: 00007fc3202a4000 CR3: 00000001064ae004 CR4: 00000000003706f0 33 # [ 43.353381] CR2: 0000000000000000 CR3: 00000001064ae004<4>[ 54.589777] Call Trace: CR4: 00000000003706e0 # [ 43.361640] BUG: sleeping function <4>[ 54.599049] ? __warn+0x80/0x110 called from invalid context at include/linux/percpu-rwsem.h:49 <4>[ 54.609130] ? refcount_warn_saturate+0x51/0x110 # [ 43.371841] in_atomic(): 0, irqs_disabled(): 1, non_block: <4>[ 54.620807] ? report_bug+0x9e/0xc0 0, pid: 1866, name: cat # [ 43.380586] INFO: lockdep is turne<4>[ 54.631193] ? handle_bug+0x41/0x90 d off. # [ 43.385253] irq event stamp: 0 # [ 43.388949] ha<4>[ 54.641644] ? exc_invalid_op+0x14/0x70 rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.<4>[ 54.652387] ? asm_exc_invalid_op+0x12/0x20 396241] hardirqs last disabled at (0): [] copy<4>[ 54.663672] ? refcount_warn_saturate+0x51/0x110 _process+0x65c/0x20e0 # [ 43.405673] softirqs last enabled a<4>[ 54.675239] ? refcount_warn_saturate+0x51/0x110 t (0): [] copy_process+0x65c/0x20e0 # [ 43.<4>[ 54.686968] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 415099] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.698879] direct_entry.cold+0x2c/0x38 # [ 43.422386] CPU: 1 PID: 1866 Comm: cat Tainted: G D W<4>[ 54.709786] full_proxy_write+0x53/0x80 5.10.201-cip41 #1 # [ 43.431325] Hardware name: Goog<4>[ 54.720559] vfs_write+0xe7/0x3b0 le Rammus/Rammus, BIOS 09/04/2020 # [ 43.438419] Call Trace:<4>[ 54.730801] ksys_write+0x68/0xf0 # [ 43.441439] dump_stack+0x77/0x9b # [ 43.445428] ___m<4>[ 54.740957] do_syscall_64+0x30/0x40 ight_sleep.cold+0xa6/0xb6 # [ 43.450291] exit_signals+0x1c/0<4>[ 54.751514] entry_SYSCALL_64_after_hwframe+0x62/0xc7 x300 # [ 43.454570] do_exit+0xc2/0xab0 # [ 43.458363] ? <4>[ 54.763612] RIP: 0033:0x7fc3203b0473 ksys_write+0x68/0xf0 # [ 43.462546] make_task_dead+0x2f/0x30<4>[ 54.774124] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.466914] rewind_stack_and_make_dead+0x17/0x20 # [ <4>[ 54.801597] RSP: 002b:00007ffeba119c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 43.472453] RIP: 0033:0x7f6306758473 # [ 43.476731] Code: 8b 1<4>[ 54.816617] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc3203b0473 5 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[ 54.831059] RDX: 0000000000000017 RSI: 00007fc3202a4000 RDI: 0000000000000001 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3<4>[ 54.845550] RBP: 00007fc3202a4000 R08: 00007fc3202a3010 R09: 0000000000000000 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #<4>[ 54.860051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.498006] RSP: 002b:00007ffeeae89458 EFLAGS: 00000246 ORIG<4>[ 54.874516] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _RAX: 0000000000000001 # [ 43.506751] RAX: ffffffffffffffda R<4>[ 54.889009] irq event stamp: 0 BX: 000000000000000c RCX: 00007f6306758473 # [ 43.515011] RDX<4>[ 54.898921] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 000000000000000c RSI: 00007f630664c000 RDI: 0000000000000001 <4>[ 54.912441] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.523271] RBP: 00007f630664c000 R08: 00007f630664b010 R09<4>[ 54.928086] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 : 0000000000000000 # [ 43.531531] R10: fffffffffffffbc5 R11: <4>[ 54.943728] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000246 R12: 0000000000000001 # [ 43.539790] R13: 00<4>[ 54.957223] ---[ end trace b27dfb9cdcf5d07f ]--- 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # AC<6>[ 54.968869] lkdtm: Saturation detected: still saturated CESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 43.666690] lkdtm: Performing direct entry WRITE_RO # [ 43.678134] lkdtm: attempting bad rodata write at ffffffffa8af8530 # [ 43.685338] BUG: unable to handle page fault for address: ffffffffa8af8530 # [ 43.693313] #PF: supervisor write access in kernel mode # [ 43.699442] #PF: error_code(0x0003) - permissions violation # [ 43.705947] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 8000000143c000e1 # [ 43.714018] Oops: 0003 [#14] SMP PTI # [ 43.724510] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 43.733452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.740553] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 43.745806] Code: 00 48 c7 c7 d0 31 f8 a8 48 c7 c6 30 85 af a8 e8 6c da fb ff 48 8b 05 f1 9e a9 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a8 48 31 d0 <48> 89 05 db 9e a9 00 e9 4a da fb ff 0f 1f 44 00 00 48 8b 05 ea bc # [ 43.773293] RSP: 0018:ffffbf74426a7e60 EFLAGS: 00010202 # [ 43.779418] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 43.787679] RDX: 00000000abcd1234 RSI: ffffa26a7ac9bf50 RDI: ffffffffa8f83200 # [ 43.795939] RBP: ffffffffa8f8<6>[ 55.102917] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 55.113673] lkdtm: attempting bad refcount_inc_not_zero() from saturated 23ed R08: 0000000000000000 R09: 0000000000000000 # [ 43.80419<4>[ 55.121477] ------------[ cut here ]------------ <4>[ 55.133127] refcount_t: saturated; leaking memory. <4>[ 55.138792] WARNING: CPU: 1 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 9] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 55.148520] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 55.207522] CPU: 1 PID: 2457 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 55.216465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.223564] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 55.229692] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed <4>[ 55.250968] RSP: 0018:ffffbf7442f5fe38 EFLAGS: 00010282 0009 # [ 43.812460] R13: ffffbf74426a7f10 R14: ffffbf74426a7f<4>[ 55.257099] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 10 R15: ffffa26a03388000 # [ 43.820735] FS: 00007f83cd015580<4>[ 55.271579] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 (0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 4<4>[ 55.286057] RBP: ffffffffa8f820e8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.300537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 55.308825] R13: ffffbf7442f5ff10 R14: ffffbf7442f5ff10 R15: ffffa26a032eb000 <4>[ 55.317090] FS: 00007f37c07dc580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 <4>[ 55.326421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.333130] CR2: 00007f37c05e6000 CR3: 00000001058e8002 CR4: 00000000003706e0 <4>[ 55.341418] Call Trace: 3.830063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 55.344455] ? __warn+0x80/0x110 <4>[ 55.354551] ? refcount_warn_saturate+0x97/0x110 <4>[ 55.360000] ? report_bug+0x9e/0xc0 <4>[ 55.364187] ? handle_bug+0x41/0x90 <4>[ 55.368371] ? exc_invalid_op+0x14/0x70 <4>[ 55.372945] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.377910] ? refcount_warn_saturate+0x97/0x110 43.836770] CR2: ffffffffa8af8530 CR3: 0000000106456003 CR4: 0<4>[ 55.383382] ? refcount_warn_saturate+0x97/0x110 <4>[ 55.395038] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 55.401459] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 55.408073] direct_entry.cold+0x2c/0x38 <4>[ 55.412745] full_proxy_write+0x53/0x80 <4>[ 55.417352] vfs_write+0xe7/0x3b0 <4>[ 55.421368] ksys_write+0x68/0xf0 <4>[ 55.425360] do_syscall_64+0x30/0x40 <4>[ 55.429642] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.435599] RIP: 0033:0x7f37c06f2473 <4>[ 55.439881] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 55.461156] RSP: 002b:00007ffcabaa8058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.469907] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f37c06f2473 <4>[ 55.478170] RDX: 0000000000000020 RSI: 00007f37c05e6000 RDI: 0000000000000001 <4>[ 55.486432] RBP: 00007f37c05e6000 R08: 00007f37c05e5010 R09: 0000000000000000 <4>[ 55.494696] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.502959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.511226] irq event stamp: 0 0000000003706e0 # [ 43.845030] Call Trace: # [ 43.848052] <4>[ 55.514951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.528453] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.537881] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.547309] softirqs last disabled at (0): [<0000000000000000>] 0x0 ? __die_body.cold+0x1a/0x1f # [ 43.852726] ? no_context+0x1<4>[ 55.554602] ---[ end trace b27dfb9cdcf5d080 ]--- 77/0x380 # [ 43.857107] ? exc_page_fault+0xd7/0x170 # [ 4<6>[ 55.566264] lkdtm: Saturation detected: still saturated 3.861775] ? asm_exc_page_fault+0x1e/0x30 # [ 43.866737] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 43.871308] direct_entry.cold+0x2c/0x38 # [ 43.875976] full_proxy_write+0x53/0x80 # [ 43.880548] vfs_write+0xe7/0x3b0 # [ 43.884537] ksys_write+0x68/0xf0 # [ 43.888519] do_syscall_64+0x30/0x40 # [ 43.892798] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.898730] RIP: 0033:0x7f83ccf2b473 # [ 43.903008] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.924283] RSP: 002b:00007ffd8cd871e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.933031] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f83ccf2b473 # [ 43.941291] RDX: 0000000000000009 RSI: 00007f83cce1f000 RDI: 0000000000000001 # [ 43.949552] RBP: 00007f83cce1f000 R08: 00007f83cce1e010 R09: 0000000000000000 # [ 43.957813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.966074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.974336] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 44.033326] CR2: ffffffffa8af8530 # [ 44.037314] ---[ end trace b27dfb9cdcf5d070 ]--- # [ 44.042761] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.047428] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 44.068702] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 44.074870] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.083130] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 44.091390] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 44.099671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<6>[ 55.814126] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 4 # [ 44.107933] R13: ffffbf74412dff10 R14: ffffbf74412dff10 <6>[ 55.825809] lkdtm: attempting bad refcount_add_not_zero() from saturated R15: ffffa26a033cc000 # [ 44.116194] FS: 00007f83cd015580(00<4>[ 55.839802] ------------[ cut here ]------------ 00) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 44.1<4>[ 55.851466] refcount_t: saturated; leaking memory. 25522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 55.863356] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 44.132228] CR2: ffffffffa8af8530 CR3: 0000000106456003 CR4: 0000<4>[ 55.879257] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore 0000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests<4>[ 55.938240] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.201-cip41 #1 : lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh<4>[ 55.953372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # Killed # [ 44.257565] lkdtm: Performing direct entry WRIT<4>[ 55.966686] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 55.979026] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed E_RO_AFTER_INIT # [ 44.265483] lkdtm: attempting bad ro_after<4>[ 56.000302] RSP: 0018:ffffbf7442fb7e38 EFLAGS: 00010282 <4>[ 56.012641] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 _init write at ffffffffa900a350 # [ 44.279563] BUG: unable to<4>[ 56.020905] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 <4>[ 56.035378] RBP: ffffffffa8f82108 R08: 0000000000000000 R09: 0000000000000000 handle page fault for address: ffffffffa900a350 # [ 44.29372<4>[ 56.043640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.058114] R13: ffffbf7442fb7f10 R14: ffffbf7442fb7f10 R15: ffffa26a04050000 <4>[ 56.066377] FS: 00007f92c6c75580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 4] #PF: supervisor write access in kernel mode # [ 44.299849]<4>[ 56.075725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.088663] CR2: 00007f92c6a7f000 CR3: 0000000102cfa004 CR4: 00000000003706e0 #PF: error_code(0x0003) - permissions violation # [ 44.30636<4>[ 56.096924] Call Trace: 1] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 10005e063 PTE 8<4>[ 56.106159] ? __warn+0x80/0x110 00000014420a061 # [ 44.315700] Oops: 0003 [#15] SMP PTI # [ <4>[ 56.116269] ? refcount_warn_saturate+0x97/0x110 44.319971] CPU: 0 PID: 1938 Comm: cat Tainted: G D W <4>[ 56.127932] ? report_bug+0x9e/0xc0 5.10.201-cip41 #1 # [ 44.328912] Hardware name: Google Ra<4>[ 56.138333] ? handle_bug+0x41/0x90 <4>[ 56.148732] ? exc_invalid_op+0x14/0x70 mmus/Rammus, BIOS 09/04/2020 # [ 44.336012] RIP: 0010:lkdtm_<4>[ 56.153306] ? asm_exc_invalid_op+0x12/0x20 WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 44.342339] Code: 32 f8 a8 e<4>[ 56.164480] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.176142] ? refcount_warn_saturate+0x97/0x110 9 1e da fb ff 48 c7 c7 58 32 f8 a8 e8 12 da fb ff 48 8b 05 b7 bc<4>[ 56.181591] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.194218] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 fa 00 ba 34 12 cd ab 48 c7 c7 00 32 f8 a8 48 31 d0 <48> 89 05 a<4>[ 56.200832] direct_entry.cold+0x2c/0x38 1 bc fa 00 e9 f0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 4<4>[ 56.211726] full_proxy_write+0x53/0x80 4.363618] RSP: 0018:ffffbf7442747e60 EFLAGS: 00010202 # [ 44.<4>[ 56.222516] vfs_write+0xe7/0x3b0 <4>[ 56.232728] ksys_write+0x68/0xf0 369745] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000<4>[ 56.236725] do_syscall_64+0x30/0x40 <4>[ 56.247214] entry_SYSCALL_64_after_hwframe+0x62/0xc7 000000000 # [ 44.377998] RDX: 00000000abcd1234 RSI: ffffa26a7<4>[ 56.253148] RIP: 0033:0x7f92c6b8b473 ac1bf50 RDI: ffffffffa8f83200 # [ 44.386259] RBP: ffffffffa8f<4>[ 56.263639] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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>[ 56.291127] RSP: 002b:00007ffdf560d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 823f6 R08: 0000000000000000 R09: 0000000000000000 # [ 44.3945<4>[ 56.299877] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92c6b8b473 <4>[ 56.314351] RDX: 0000000000000020 RSI: 00007f92c6a7f000 RDI: 0000000000000001 <4>[ 56.322615] RBP: 00007f92c6a7f000 R08: 00007f92c6a7e010 R09: 0000000000000000 22] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[ 56.330879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.345353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00014 # [ 44.402775] R13: ffffbf7442747f10 R14: ffffbf7442747<4>[ 56.353621] irq event stamp: 0 <4>[ 56.363526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f10 R15: ffffa26a05a27000 # [ 44.411038] FS: 00007f837825758<4>[ 56.370821] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.386458] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ <4>[ 56.395888] softirqs last disabled at (0): [<0000000000000000>] 0x0 44.420359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # <4>[ 56.409391] ---[ end trace b27dfb9cdcf5d081 ]--- [ 44.427067] CR2: ffffffffa900a350 CR3: 0000000106456001 CR4: <6>[ 56.421054] lkdtm: Saturation detected: still saturated 00000000003706f0 # [ 44.435326] Call Trace: # [ 44.438348] ? __die_body.cold+0x1a/0x1f # [ 44.443015] ? no_context+0x177/0x380 # [ 44.447402] ? exc_page_fault+0xd7/0x170 # [ 44.452078] ? asm_exc_page_fault+0x1e/0x30 # [ 44.457042] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 44.462678] direct_entry.cold+0x2c/0x38 # [ 44.467349] full_proxy_write+0x53/0x80 # [ 44.471928] vfs_write+0xe7/0x3b0 # [ 44.475923] ksys_write+0x68/0xf0 # [ 44.479903] do_syscall_64+0x30/0x40 # [ 44.484183] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.490113] RIP: 0033:0x7f837816d473 # [ 44.494394] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.515660] RSP: 002b:00007ffd4f061968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.524410] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f837816d473 # [ 44.532672] RDX: 0000000000000014 RSI: 00007f8378061000 RDI: 0000000000000001 # [ 44.540933] RBP: 00007f8378061000 R08: 00007f8378060010 R09: 0000000000000000 # [ 44.549193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.557455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.565721] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<6>[ 56.574612] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED er kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sy<6>[ 56.584674] lkdtm: attempting bad refcount_dec_and_test() from saturated sfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec<4>[ 56.598666] ------------[ cut here ]------------ _chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_<4>[ 56.610325] refcount_t: underflow; use-after-free. soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev <4>[ 56.622203] WARNING: CPU: 0 PID: 2526 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine reg<4>[ 56.638137] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore map_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_ba<4>[ 56.697090] CPU: 0 PID: 2526 Comm: cat Tainted: G D W 5.10.201-cip41 #1 cklight chromeos_pstore # [ 44.618493] CR2: ffffffffa900a350 <4>[ 56.712256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.622483] ---[ end trace b27dfb9cdcf5d071 ]--- # [ 44<4>[ 56.725589] RIP: 0010:refcount_warn_saturate+0xba/0x110 .627930] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.632599] Code: 89<4>[ 56.737973] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 ff e8 6e d9 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff <4>[ 56.765442] RSP: 0018:ffffbf744306fe40 EFLAGS: 00010286 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f><4>[ 56.777812] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 64 0b 03 <4>[ 56.792313] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 44.653875] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 #<4>[ 56.806770] RBP: ffffffffa8f82128 R08: 0000000000000000 R09: 0000000000000000 [ 44.659991] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX:<4>[ 56.821222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000000000 # [ 44.668253] RDX: 0000000000000000 RSI: f<4>[ 56.835704] R13: ffffbf744306ff10 R14: ffffbf744306ff10 R15: ffffa26a0588b000 fffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 44.676517] RBP: fff<4>[ 56.850192] FS: 00007f99f1477580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 fffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 56.865742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 44.684770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[ 56.878688] CR2: 00007f99f1281000 CR3: 0000000102e14005 CR4: 00000000003706f0 0000000000004 # [ 44.693030] R13: ffffbf74412dff10 R14: ffffb<4>[ 56.893146] Call Trace: f74412dff10 R15: ffffa26a033cc000 # [ 44.701292] FS: 00007f8<4>[ 56.902376] ? __warn+0x80/0x110 378257580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000<4>[ 56.912526] ? refcount_warn_saturate+0xba/0x110 # [ 44.710623] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 56.924157] ? report_bug+0x9e/0xc0 0033 # [ 44.717322] CR2: ffffffffa900a350 CR3: 00000001064560<4>[ 56.934564] ? handle_bug+0x41/0x90 01 CR4: 00000000003706f0 # [ 44.725583] BUG: sleeping functio<4>[ 56.944965] ? exc_invalid_op+0x14/0x70 n called from invalid context at include/linux/percpu-rwsem.h:49<4>[ 56.955775] ? asm_exc_invalid_op+0x12/0x20 # [ 44.735788] in_atomic(): 0, irqs_disabled(): 1, non_block<4>[ 56.966942] ? refcount_warn_saturate+0xba/0x110 : 0, pid: 1938, name: cat # [ 44.744533] INFO: lockdep is tur<4>[ 56.978644] __refcount_sub_and_test.constprop.0+0x3c/0x50 ned off. # [ 44.749201] irq event stamp: 0 # [ 44.752900] <4>[ 56.991244] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 4<4>[ 57.004103] direct_entry.cold+0x2c/0x38 4.760181] hardirqs last disabled at (0): [] co<4>[ 57.014959] full_proxy_write+0x53/0x80 py_process+0x65c/0x20e0 # [ 44.769608] softirqs last enabled<4>[ 57.025763] vfs_write+0xe7/0x3b0 at (0): [] copy_process+0x65c/0x20e0 # [ 4<4>[ 57.035950] ksys_write+0x68/0xf0 4.779035] softirqs last disabled at (0): [<0000000000000000>] 0x<4>[ 57.046151] do_syscall_64+0x30/0x40 0 # [ 44.786327] CPU: 0 PID: 1938 Comm: cat Tainted: G D<4>[ 57.056691] entry_SYSCALL_64_after_hwframe+0x62/0xc7 W 5.10.201-cip41 #1 # [ 44.795269] Hardware name: Go<4>[ 57.068824] RIP: 0033:0x7f99f138d473 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 44.802365] Call Trac<4>[ 57.079286] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 e: # [ 44.805385] dump_stack+0x77/0x9b # [ 44.809381] __<4>[ 57.106824] RSP: 002b:00007ffffa6dc728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _might_sleep.cold+0xa6/0xb6 # [ 44.814250] exit_signals+0x1c<4>[ 57.121807] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f99f138d473 /0x300 # [ 44.818537] do_exit+0xc2/0xab0 # [ 44.822334] <4>[ 57.136279] RDX: 0000000000000020 RSI: 00007f99f1281000 RDI: 0000000000000001 ? ksys_write+0x68/0xf0 # [ 44.826519] make_task_dead+0x2f/0x<4>[ 57.150728] RBP: 00007f99f1281000 R08: 00007f99f1280010 R09: 0000000000000000 30 # [ 44.830896] rewind_stack_and_make_dead+0x17/0x20 # [ <4>[ 57.165208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 44.836439] RIP: 0033:0x7f837816d473 # [ 44.840720] Code: 8b<4>[ 57.179703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[ 57.194208] irq event stamp: 0 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48><4>[ 57.204125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.217620] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.861988] RSP: 002b:00007ffd4f061968 EFLAGS: 00000246 OR<4>[ 57.233296] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 IG_RAX: 0000000000000001 # [ 44.870735] RAX: ffffffffffffffda<4>[ 57.248973] softirqs last disabled at (0): [<0000000000000000>] 0x0 RBX: 0000000000000014 RCX: 00007f837816d473 # [ 44.878999] R<4>[ 57.262462] ---[ end trace b27dfb9cdcf5d082 ]--- DX: 0000000000000014 RSI: 00007f8378061000 RDI: 0000000000000001<6>[ 57.274148] lkdtm: Saturation detected: still saturated # [ 44.887259] RBP: 00007f8378061000 R08: 00007f8378060010 R09: 0000000000000000 # [ 44.895521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.903783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 45.079242] lkdtm: Performing direct entry WRITE_KERN # [ 45.085859] lkdtm: attempting bad 7219673 byte write at ffffffffa805e5b9 # [ 45.099843] BUG: unable to handle page fault for address: ffffffffa805e5b9 # [ 45.114021] #PF: supervisor write access in kernel mode # [ 45.120147] #PF: error_code(0x0003) - permissions violation # [ 45.126661] PGD 144429067 P4D 144429067 PUD 14442a063 PMD 1432000e1 # [ 45.140270] Oops: 0003 [#16] SMP PTI # [ 45.144553] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 45.153499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.160600] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 45.166046] Code: 53 48 c7 c3 b9 e5 05 a8 49 89 dc 48 89 da 49 81 ec e0 bb 97 a7 4c 89 e6 e8 c5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 e0 bb 97 a7 a4 48 c7 c7 00 32 f8 a8 e8 aa d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 45.193531] RSP: 0018:ffffbf74427cfe50 EFLAGS: 00010246 # [ 45.199670] RAX: 000000000000003c RBX: ffffffffa805e5b9 RCX: 00000000006e29d9 # [ 45.207930] RDX: 0000000000000000 RSI: ffffffffa797bbe0 RDI: ffffffffa805e5b9 # [ 45.216189] RBP: ffffffffa8f8240a R08: 0000000000000000 R09: 0000000000000000 # [ 45.224450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e29d9 # [ 45.232723] R13: ffffbf74427cff10 R14: ffffbf74427cff10 R15: ffffa26a02c62000 # [ 45.240984] FS: 00007f1f8dfac580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 45.250303] CS: 0010 DS: 0000 ES: 0000 CR0<6>[ 57.469548] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 57.480971] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 57.488762] ------------[ cut here ]------------ <4>[ 57.494214] refcount_t: underflow; use-after-free. <4>[ 57.499884] WARNING: CPU: 3 PID: 2562 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 : 0000000080050033 # [ 45.257010] CR2: ffffffffa805e5b9 CR3: <4>[ 57.509610] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore <4>[ 57.568578] CPU: 3 PID: 2562 Comm: cat Tainted: G D W 5.10.201-cip41 #1 000000010658c001 CR4: 00000000003706e0 # [ 45.265270] Call Tr<4>[ 57.577528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.590836] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.596964] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 57.618238] RSP: 0018:ffffbf744310fe40 EFLAGS: 00010286 <4>[ 57.624366] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 57.632630] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 <4>[ 57.640893] RBP: ffffffffa8f82148 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.649155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.657418] R13: ffffbf744310ff10 R14: ffffbf744310ff10 R15: ffffa26a032cf000 <4>[ 57.665682] FS: 00007f273fed8580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 <4>[ 57.675013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.681727] CR2: 00007f273fce2000 CR3: 000000010406e002 CR4: 00000000003706e0 <4>[ 57.689988] Call Trace: <4>[ 57.693011] ? __warn+0x80/0x110 ace: # [ 45.268290] ? __die_body.cold+0x1a/0x1f # [ 45.27<4>[ 57.696932] ? refcount_warn_saturate+0xba/0x110 <4>[ 57.708586] ? report_bug+0x9e/0xc0 <4>[ 57.712773] ? handle_bug+0x41/0x90 <4>[ 57.716957] ? exc_invalid_op+0x14/0x70 <4>[ 57.721530] ? asm_exc_invalid_op+0x12/0x20 <4>[ 57.726495] ? refcount_warn_saturate+0xba/0x110 <4>[ 57.731975] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 57.738394] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 57.745006] direct_entry.cold+0x2c/0x38 2961] ? no_context+0x177/0x380 # [ 45.283548] ? lkdtm_SLAB_<4>[ 57.749680] full_proxy_write+0x53/0x80 FREE_CROSS.cold+0x32/0x32 # [ 45.289287] ? exc_page_fault+0x<4>[ 57.760473] vfs_write+0xe7/0x3b0 d7/0x170 # [ 45.293947] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 57.770675] ksys_write+0x68/0xf0 <4>[ 57.780882] do_syscall_64+0x30/0x40 <4>[ 57.785196] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.791128] RIP: 0033:0x7f273fdee473 <4>[ 57.795410] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.816690] RSP: 002b:00007ffffca0d0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.825449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f273fdee473 <4>[ 57.833735] RDX: 0000000000000020 RSI: 00007f273fce2000 RDI: 0000000000000001 <4>[ 57.841998] RBP: 00007f273fce2000 R08: 00007f273fce1010 R09: 0000000000000000 <4>[ 57.850259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.858520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.866784] irq event stamp: 0 <4>[ 57.870507] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.877799] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.887226] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.896676] softirqs last disabled at (0): [<0000000000000000>] 0x0 45.298906] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.3<4>[ 57.903968] ---[ end trace b27dfb9cdcf5d083 ]--- <6>[ 57.915623] lkdtm: Saturation detected: still saturated 04643] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 45.309819] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 45.321769] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 45.326526] direct_entry.cold+0x2c/0x38 # [ 45.331186] full_proxy_write+0x53/0x80 # [ 45.335760] vfs_write+0xe7/0x3b0 # [ 45.339750] ksys_write+0x68/0xf0 # [ 45.343738] do_syscall_64+0x30/0x40 # [ 45.348016] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.353946] RIP: 0033:0x7f1f8dec2473 # [ 45.358224] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.379488] RSP: 002b:00007ffe72aa9938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.388234] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1f8dec2473 # [ 45.396494] RDX: 000000000000000b RSI: 00007f1f8ddb6000 RDI: 0000000000000001 # [ 45.404755] RBP: 00007f1f8ddb6000 R08: 00007f1f8ddb5010 R09: 0000000000000000 # [ 45.413015] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.421275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.429539] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 45.488491] CR2: ffffffffa805e5b9 # [ 45.492472] ---[ end trace b27dfb9cdcf5d072 ]--- # [ 45.497916] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.502582] Code: 89 ff e8 6e d9 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 a0 64 0b 03 # [ 45.523853] RSP: 0018:ffffbf74412dfe60 EFLAGS: 00010282 # [ 45.529975] RAX: ffffffffa797b810 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.538234] RDX: 0000000000000000 RSI: ffffa26a7ad9bf50 RDI: ffffffffa8af80b0 # [ 45.546493] RBP: ffffffffa8fe8528 R08: 0000000000000001 R09: 0000000000000001 # [ 45.554752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.563010] R13: ffffbf74412dff10 R14: ffffbf74412dff10 R15: ffffa26a033cc000 # [ 45.571271] FS: 00007f1f8dfac580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 45.580590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.587295] CR2: ffffffffa805e5b9 CR3: 000000010658c001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 45.715854] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 45.726873] lkdtm: attempting good refcount_inc() without overflow # [ 45.734072] lkdtm: attempting bad refcount_inc() overflow # [ 45.740395] ------------[ cut here ]------------ # [ 45.745843] refcount_t: saturated; leaking memory. # [ 45.751513] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.761242] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 45.820193] CPU: 3 PID: 2010 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 45.829161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.836259] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.842387] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed # [ 45.863675] RSP: 0018:ffffbf7442857e48 EFLAGS: 00010286 # [ 45.876025] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 45.890507] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 45.904988] RBP: ffffffffa8f82415 R08: 0000000000000000 R09: 0000000000000000 # [ 45.919468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 45.927732] R13: ffffbf7442857f10 R14: ffffbf7442857f10 R15: ffffa26a0593e000 # [ 45.935996] FS: 00007f295321e580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 45.945327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.952037] CR2: 00007f2953028000 CR3: 0000000102678001 CR4: 00000000003706e0 # [ 45.960323] Call Trace: # [ 45.963360] ? __warn+0x80/0x110 # [ 45.973456] ? refcount_warn_saturate+0x51/0x110 # [ 45.978930] ? report_bug+0x9e/0xc0 # [ 45.983118] ? handle_bug+0x41/0x90 # [ 45.987328] ? exc_invalid_op+0x14/0x70 # [ 45.991903] ? asm_exc_invalid_op+0x12/0x20 # [ 45.996870] ? refcount_warn_saturate+0x51/0x110 # [ 46.002348] ? refcount_warn_saturate+0x51/0x110 # [ 46.007795] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 46.013439] direct_entry.cold+0x2c/0x38 # [ 46.018112] full_proxy_write+0x53/0x80 # [ 46.022728] vfs_write+0xe7/0x3b0 # [ 46.026743] ksys_write+0x68/0xf0 # [ 46.030736] do_syscall_64+0x30/0x40 # [ 46.035042] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.040976] RIP: 0033:0x7f2953134473 # [ 46.045258] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.066536] RSP: 002b:00007fffd912bca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.075286] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2953134473 # [ 46.083550] RDX: 0000000000000016 RSI: 00007f2953028000 RDI: 0000000000000001 # [ 46.091815] RBP: 00007f2953028000 R08: 00007f2953027010 R09: 0000000000000000 # [ 46.100079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.108343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.116610] irq event stamp: 0 # [ 46.120339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.127631] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.137061] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.146489] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.153782] ---[ end trace b27dfb9cdcf5d073 ]--- # [ 46.159228] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 46.304168] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 46.314588] lkdtm: attempting good refcount_add() without overflow # [ 46.328032] lkdtm: attempting bad refcount_add() overflow # [ 46.340561] ------------[ cut here ]------------ # [ 46.352183] refcount_t: saturated; leaking memory. # [ 46.364086] WARNING: CPU: 0 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.380028] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 46.439003] CPU: 0 PID: 2043 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 46.454154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.467467] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.479810] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed # [ 46.507287] RSP: 0018:ffffbf74428afe48 EFLAGS: 00010286 # [ 46.519679] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 46.534136] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 46.548658] RBP: ffffffffa8f8242b R08: 0000000000000000 R09: 0000000000000000 # [ 46.563096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.577593] R13: ffffbf74428aff10 R14: ffffbf74428aff10 R15: ffffa26a0581d000 # [ 46.592060] FS: 00007f109703f580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ 46.607671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.620670] CR2: 00007f1096e49000 CR3: 0000000105820003 CR4: 00000000003706f0 # [ 46.635088] Call Trace: # [ 46.644357] ? __warn+0x80/0x110 # [ 46.654453] ? refcount_warn_saturate+0x51/0x110 # [ 46.666142] ? report_bug+0x9e/0xc0 # [ 46.676522] ? handle_bug+0x41/0x90 # [ 46.686946] ? exc_invalid_op+0x14/0x70 # [ 46.697726] ? asm_exc_invalid_op+0x12/0x20 # [ 46.708934] ? refcount_warn_saturate+0x51/0x110 # [ 46.720580] ? refcount_warn_saturate+0x51/0x110 # [ 46.732250] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 46.744105] direct_entry.cold+0x2c/0x38 # [ 46.755011] full_proxy_write+0x53/0x80 # [ 46.765790] vfs_write+0xe7/0x3b0 # [ 46.776003] ksys_write+0x68/0xf0 # [ 46.786207] do_syscall_64+0x30/0x40 # [ 46.796713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.808856] RIP: 0033:0x7f1096f55473 # [ 46.819379] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.846862] RSP: 002b:00007ffc101506c8 EFLAGS: 00000246 ORI<6>[ 58.960094] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 58.968166] lkdtm: attempting good copy_to_user of correct size <6>[ 58.975103] lkdtm: attempting bad copy_to_user of too large size G_RAX: 0000000000000001 # [ 46.861855] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1096f55473 # [ 46.876317] RDX: 0000000000000016 RSI: 00007f1096e49000 RDI: 0000000000000001 # [ 46.890848] RBP: 00007f1096e49000 R08: 00007f1096e48010 R09: 0000000000000000 # [ 46.905297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.919781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.934259] irq event stamp: 0 # [ 46.944182] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.957679] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.973336] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.988966] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.002501] ---[ end trace b27dfb9cdcf5d074 ]--- # [ 47.014143] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 47.135713] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 47.145446] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 47.152662] ------------[ cut here ]------------ # [ 47.158121] refcount_t: saturated; leaking memory. # [ 47.169982] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.185909] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cro<6>[ 59.130488] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM s_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust<6>[ 59.138603] lkdtm: attempting good copy_from_user of correct size rialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightba<6>[ 59.151902] lkdtm: attempting bad copy_from_user of too large size r cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 47.244900] CPU: 3 PID: 2076 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 47.253875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.260974] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.267100] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed # [ 47.288375] RSP: 0018:ffffbf744296fe38 EFLAGS: 00010282 # [ 47.294506] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.308986] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 47.317250] RBP: ffffffffa8f82068 R08: 0000000000000000 R09: 0000000000000000 # [ 47.325511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.333764] R13: ffffbf744296ff10 R14: ffffbf744296ff10 R15: ffffa26a0650f000 # [ 47.342026] FS: 00007f15a59ef580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 47.351380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.358101] CR2: 00007f15a57f9000 CR3: 0000000104812001 CR4: 00000000003706e0 # [ 47.372570] Call Trace: # [ 47<6>[ 59.311166] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO .375585] ? __warn+0x80/0x110 # [ 47.379504] ? refcount_warn<6>[ 59.322257] lkdtm: attempting good copy_to_user inside whitelist _saturate+0x97/0x110 # [ 47.391159] ? report_bug+0x9e/0xc0 <6>[ 59.335502] lkdtm: attempting bad copy_to_user outside whitelist # [ 47.395346] ? handle_bug+0x41/0x90 # [ 47.399554] ? exc_invalid_op+0x14/0x70 # [ 47.404126] ? asm_exc_invalid_op+0x12/0x20 # [ 47.409092] ? refcount_warn_saturate+0x97/0x110 # [ 47.414538] ? refcount_warn_saturate+0x97/0x110 # [ 47.419986] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.426404] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.432918] direct_entry.cold+0x2c/0x38 # [ 47.437590] full_proxy_write+0x53/0x80 # [ 47.442189] vfs_write+0xe7/0x3b0 # [ 47.446181] ksys_write+0x68/0xf0 # [ 47.450172] do_syscall_64+0x30/0x40 # [ 47.454453] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.460386] RIP: 0033:0x7f15a5905473 # [ 47.464675] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.492166] RSP: 002b:00007ffce784b8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.500915] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f15a5905473 # [ 47.509177] RDX: 000000000000001f RSI: 00007f15a57f9000 RDI: 0000000000000001 # [ 47.517439] RBP: 00007f15a57f9000 R08: 00007f15a57f8010 R09: 0000000000000000 # [ 47.525715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [<6>[ 59.476540] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 59.487067] lkdtm: attempting good copy_from_user inside whitelist 47.534009] R13: 0000000000000001 R14: 0000000000020000 R15: 0<6>[ 59.494279] lkdtm: attempting bad copy_from_user outside whitelist 000000000020000 # [ 47.542266] irq event stamp: 0 # [ 47.545987] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.553269] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.562698] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.572128] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.585635] ---[ end trace b27dfb9cdcf5d075 ]--- # [ 47.591087] 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 # [ 47.713626] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 47.722428] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 47.729684] ------------[ cut here ]------------ # [ 47.741349] refcount_t: saturated; leaking memory. # [ 47.747055] WARNING: CPU: 1 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.756781] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_ta<6>[ 59.650873] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO ble cros_kbd_led_backlight chromeos_pstore # [ 47.815730] CPU<6>[ 59.664184] lkdtm: good_stack: ffffbf74434e7e20-ffffbf74434e7e40 : 1 PID: 2109 Comm: cat Tainted: G D W 5.10.201-cip<6>[ 59.677406] lkdtm: bad_stack : ffffbf74434e7da8-ffffbf74434e7dc8 41 #1 # [ 47.824708] Hardware name: Google Rammus/Rammus, BIO<6>[ 59.690663] lkdtm: attempting good copy_to_user of local stack S 09/04/2020 # [ 47.831813] RIP: 0010:refcount_warn_saturate<6>[ 59.703668] lkdtm: attempting bad copy_to_user of distant stack +0x97/0x110 # [ 47.837943] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed # [ 47.859221] RSP: 0018:ffffbf74429ffe38 EFLAGS: 00010282 # [ 47.865352] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.879837] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 47.888131] RBP: ffffffffa8f82088 R08: 0000000000000000 R09: 0000000000000000 # [ 47.896395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.904676] R13: ffffbf74429fff10 R14: ffffbf74429fff10 R15: ffffa26a06427000 # [ 47.912942] FS: 00007fbda1d35580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 47.922297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.929015] CR2: 00007fbda1b3f000 CR3: 000000010274c005 CR4: 00000000003706e0 # [ 47.943481] Call Trace: # [ 47.946524] ? __warn+0x80/0x110 # [ 47.950429] ? refcount_warn_saturate+0x97/0x110 # [ 47.962087] ? report_bug+0x9e/0xc0 # [ 47.966305] ? handle_bug+0x41/0x90 # [ 47.970523] ? exc_invalid_op+0x14/0x70 # [ 47.975128] ? asm_exc_invalid_op+0x12/0x20 # [ 47.980096] ? refcount_warn_saturate+0x97/0x110 # [ 47.985570] ? refcount_warn_saturate+0x97/0x110 # [ 47.997225] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.003676] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.010202] direct_entry.<6>[ 59.859740] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 59.873323] lkdtm: good_stack: ffffbf744355fe20-ffffbf744355fe40 <6>[ 59.880330] lkdtm: bad_stack : ffffbf744355fda8-ffffbf744355fdc8 <6>[ 59.887385] lkdtm: attempting good copy_from_user of local stack cold+0x2c/0x38 # [ 48.021081] full_proxy_write+0x53/0x80 # <6>[ 59.894405] lkdtm: attempting bad copy_from_user of distant stack [ 48.025691] vfs_write+0xe7/0x3b0 # [ 48.029730] ksys_write+0x68/0xf0 # [ 48.033729] do_syscall_64+0x30/0x40 # [ 48.038044] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.043980] RIP: 0033:0x7fbda1c4b473 # [ 48.048263] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.069540] RSP: 002b:00007ffd648b7918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.078291] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbda1c4b473 # [ 48.086554] RDX: 000000000000001f RSI: 00007fbda1b3f000 RDI: 0000000000000001 # [ 48.094818] RBP: 00007fbda1b3f000 R08: 00007fbda1b3e010 R09: 0000000000000000 # [ 48.103083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.111347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.119616] irq event stamp: 0 # [ 48.123345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.130642] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.140104] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.155746] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.169257]<6>[ 60.034473] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 60.045591] lkdtm: good_stack: ffffbf7443647e20-ffffbf7443647e40 <6>[ 60.052601] lkdtm: bad_stack : ffffbf7443647ff8-ffffbf7443648018 <6>[ 60.059613] lkdtm: attempting good copy_to_user of local stack <6>[ 60.066432] lkdtm: attempting bad copy_to_user of distant stack <4>[ 60.073367] lkdtm: copy_to_user failed, but lacked Oops ---[ end trace b27dfb9cdcf5d076 ]--- # [ 48.180918] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 48.305362] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 48.317201] lkdtm: attempting good refcount_dec() # [ 48.328963] lkdtm: attempting bad refcount_dec() to zero # [ 48.341400] ------------[ cut here ]------------ # [ 48.353062] refcount_t: decrement hit 0; leaking memory. # [ 48.365531] WARNING: CPU: 2 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.381435] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 48.440389] CPU: 2 PID: 2142 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 48.455551] Hardware name: Google Rammus/Rammus, BIO<6>[ 60.209590] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 60.216477] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa8af8550 <6>[ 60.225433] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa70e2a80 <3>[ 60.234092] lkdtm: FAIL: survived bad copy_to_user() S 09/04/2020 # [ 48.468864] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.481206] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.502506] RSP: 0018:ffffbf7442a8fe48 EFLAGS: 00010286 # [ 48.514821] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 48.529297] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 48.537562] RBP: ffffffffa8f82441 R08: 0000000000000000 R09: 0000000000000000 # [ 48.552033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.560296] R13: ffffbf7442a8ff10 R14: ffffbf7442a8ff10 R15: ffffa26a03241000 # [ 48.568560] FS: 00007f54de1c9580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 48.584101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.590812] CR2: 00007f54ddfd3000 CR3: 0000000102c4a002 CR4: 00000000003706e0 # [ 48.599076] Call Trace: # [ 48.608309] ? __warn+0x80/0x110 # [ 48.618416] ? refcount_warn_saturate+0xfb/0x110 # [ 48.623866] ? report_bug+0x9e/0xc0 # [ 48.634262] ? handle_bug+0x41/0x90 # [ 48.644675] ? exc_invalid_op+0x14/0x70 # [ 48.655456] ? asm_exc_invalid_op+0x12/0x20 # [ 48.660447]<6>[ 60.368202] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 60.377121] lkdtm: checking unused part of the thread stack (15928 bytes)... ? refcount_warn_saturate+0xfb/0x110 # [ 48.672101] ? refco<3>[ 60.385305] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) unt_warn_saturate+0xfb/0x110 # [ 48.677548] lkdtm_REFCOUNT_D<3>[ 60.399577] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 60.412792] CPU: 1 PID: 2938 Comm: cat Tainted: G D W 5.10.201-cip41 #1 <4>[ 60.421732] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.428828] Call Trace: <4>[ 60.431850] dump_stack+0x77/0x9b <4>[ 60.435870] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 60.441314] direct_entry.cold+0x2c/0x38 <4>[ 60.445984] full_proxy_write+0x53/0x80 <4>[ 60.450557] vfs_write+0xe7/0x3b0 <4>[ 60.454545] ksys_write+0x68/0xf0 <4>[ 60.458535] do_syscall_64+0x30/0x40 <4>[ 60.462816] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.468747] RIP: 0033:0x7f3ae0415473 <4>[ 60.473027] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.494298] RSP: 002b:00007ffe4357c5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.503044] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ae0415473 <4>[ 60.511305] RDX: 0000000000000012 RSI: 00007f3ae0309000 RDI: 0000000000000001 <4>[ 60.519565] RBP: 00007f3ae0309000 R08: 00007f3ae0308010 R09: 0000000000000000 <4>[ 60.527824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.536083] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EC_ZERO+0x4d/0xbd # [ 48.689011] direct_entry.cold+0x2c/0x38 # [ 48.693685] full_proxy_write+0x53/0x80 # [ 48.704465] vfs_write+0xe7/0x3b0 # [ 48.714676] ksys_write+0x68/0xf0 # [ 48.724887] do_syscall_64+0x30/0x40 # [ 48.735384] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.747532] RIP: 0033:0x7f54de0df473 # [ 48.758029] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.779306] RSP: 002b:00007fff41cf7948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.794267] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54de0df473 # [ 48.802533] RDX: 0000000000000012 RSI: 00007f54ddfd3000 RDI: 0000000000000001 # [ 48.817007] RBP: 00007f54ddfd3000 R08: 00007f54ddfd2010 R09: 0000000000000000 # [ 48.825269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.839742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.848011] irq event stamp: 0 # [ 48.857917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.865211] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.880849] softirqs last enabled at (0): [] cop<6>[ 60.670816] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 60.681581] lkdtm: Calling matched prototype ... <6>[ 60.687064] lkdtm: Calling mismatched prototype ... y_process+0x65c/0x20e0 # [ 48.890279] softirqs last disabled <6>[ 60.692841] lkdtm: Fail: survived mismatched prototype function call! at (0): [<0000000000000000>] 0x0 # [ 48.903780] ---[ end trace b27dfb9cdcf5d077 ]--- # [ 48.909227] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 49.044456] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 49.051737] lkdtm: attempting bad refcount_dec() below zero # [ 49.064498] ------------[ cut here ]------------ # [ 49.076166] refcount_t: decrement hit 0; leaking memory. # [ 49.088655] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.104543] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 49.163529] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 49.178690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.192036] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.204372] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.231868] RSP: 0018:ffffbf7442b0fe48 EFLAGS: 00010286 # [ 49.244205] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 49.258668] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 49.266980] RBP: ffffffffa8f82453 R08: 0000000000000000 R09: 0000000000000000 # [ 49.281443] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.295964] R13: ffffbf7442b0ff10 R14: ffffbf7442b0ff10 R15: ffffa26a02e96000 # [ 49.310434] FS: 00007fc535013580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ 49.325987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.338898] CR2: 00007fc534e1d000 CR3: 00000001060f0006 CR4: 00000000003706f0 # [ 49.353404] Call Trace: # [ 49.362756] ? __warn+0x80/0x110 # [ 49.372777] ? refcount_warn_saturate+0xfb/0x110 # [ 49.384472] ? report_bug+0x9e/0xc0 # [ 49.394854] ? handle_bug+0x41/0x90 # [ 49.405271] ? exc_invalid_op+0x14/0x70 # [ 49.416042] ? asm_exc_invalid_op+0x12/0x20 # [ 49.427255] ? refcount_warn_saturate+0xfb/0x110 # [ 49.438901] ? refcount_warn_saturate+0xfb/0x110 # [ 49.450570] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 49.462420] direct_entry.cold+0x2c/0x38 # [ 49.473333] full_proxy_write+0x53/0x80 # [ 49.484097] vfs_write+0xe7/0x3b0 # [ 49.494329] ksys_write+0x68/0xf0 # [ 49.504513] do_syscall_64+0x30/0x40 # [ 49.515035] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.527162] RIP: 0033:0x7fc534f29473 # [ 49.537695] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.565160] RSP: 002b:00007fffe05deab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.580137] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc534f29473 # [ 49.594604] RDX: 0000000000000016 RSI: 00007fc534e1d000 RDI: 0000000000000001 # [ 49.609108] RBP: 00007fc534e1d000 R08: 00007fc534e1c010 R09: 0000000000000000 # [ 49.623575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.638079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.652551] irq event stamp: 0 # [ 49.662480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.675985] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.691661] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.707292] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.720799] ---[ end trace b27dfb9cdcf5d078 ]--- # [ 49.732451] 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 # [ 49.882494] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 49.894845] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 49.908466] ------------[ cut here ]------------ # [ 49.920107] refcount_t: underflow; use-after-free. # [ 49.925781] WARNING: CPU: 2 PID: 2214 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.941682] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 50.000656] CPU: 2 PID: 2214 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 50.015798] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.029112] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.041456] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 50.068946] RSP: 0018:ffffbf7442b97e40 EFLAGS: 00010286 # [ 50.081309] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.095769] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 50.110243] RBP: ffffffffa8f820a8 R08: 0000000000000000 R09: 0000000000000000 # [ 50.124726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.139203] R13: ffffbf7442b97f10 R14: ffffbf7442b97f10 R15: ffffa26a02cff000 # [ 50.153683] FS: 00007f9b462a7580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 50.169227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.182151] CR2: 00007f9b460b1000 CR3: 0000000102c38005 CR4: 00000000003706e0 # [ 50.196630] Call Trace: # [ 50.205870] ? __warn+0x80/0x110 # [ 50.215977] ? refcount_warn_saturate+0xba/0x110 # [ 50.227643] ? report_bug+0x9e/0xc0 # [ 50.238044] ? handle_bug+0x41/0x90 # [ 50.248441] ? exc_invalid_op+0x14/0x70 # [ 50.259230] ? asm_exc_invalid_op+0x12/0x20 # [ 50.270409] ? refcount_warn_saturate+0xba/0x110 # [ 50.282070] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.294745] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 50.307480] direct_entry.cold+0x2c/0x38 # [ 50.318369] full_proxy_write+0x53/0x80 # [ 50.329154] vfs_write+0xe7/0x3b0 # [ 50.339360] ksys_write+0x68/0xf0 # [ 50.349566] do_syscall_64+0x30/0x40 # [ 50.360063] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.372209] RIP: 0033:0x7f9b461bd473 # [ 50.382722] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.410217] RSP: 002b:00007ffe4b7d6e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.425180] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9b461bd473 # [ 50.439680] RDX: 000000000000001f RSI: 00007f9b460b1000 RDI: 0000000000000001 # [ 50.454159] RBP: 00007f9b460b1000 R08: 00007f9b460b0010 R09: 0000000000000000 # [ 50.468643] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.483121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.497607] irq event stamp: 0 # [ 50.507517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.521024] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.536667] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.552312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.565819] ---[ end trace b27dfb9cdcf5d079 ]--- # [ 50.577482] 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 # [ 50.724164] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 50.734015] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 50.741417] ------------[ cut here ]------------ # [ 50.753070] refcount_t: underflow; use-after-free. # [ 50.758753] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.768480] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 50.827430] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 50.836395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.843492] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.849620] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 50.870894] RSP: 0018:ffffbf7442c2fe40 EFLAGS: 00010286 # [ 50.877021] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 50.885274] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 50.893537] RBP: ffffffffa8f820c8 R08: 0000000000000000 R09: 0000000000000000 # [ 50.901797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.910058] R13: ffffbf7442c2ff10 R14: ffffbf7442c2ff10 R15: ffffa26a06556000 # [ 50.918319] FS: 00007f132624c580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 50.927664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.934384] CR2: 00007f1326056000 CR3: 000000010274c005 CR4: 00000000003706e0 # [ 50.948854] Call Trace: # [ 50.951866] ? __warn+0x80/0x110 # [ 50.955782] ? refcount_warn_saturate+0xba/0x110 # [ 50.961230] ? report_bug+0x9e/0xc0 # [ 50.965416] ? handle_bug+0x41/0x90 # [ 50.969601] ? exc_invalid_op+0x14/0x70 # [ 50.974174] ? asm_exc_invalid_op+0x12/0x20 # [ 50.979138] ? refcount_warn_saturate+0xba/0x110 # [ 50.984616] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.991035] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 50.997551] direct_entry.cold+0x2c/0x38 # [ 51.002225] full_proxy_write+0x53/0x80 # [ 51.013014] vfs_write+0xe7/0x3b0 # [ 51.023221] ksys_write+0x68/0xf0 # [ 51.033431] do_syscall_64+0x30/0x40 # [ 51.037745] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.043686] RIP: 0033:0x7f1326162473 # [ 51.047973] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.069275] RSP: 002b:00007ffe60b61d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.078038] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1326162473 # [ 51.092506] RDX: 000000000000001f RSI: 00007f1326056000 RDI: 0000000000000001 # [ 51.100770] RBP: 00007f1326056000 R08: 00007f1326055010 R09: 0000000000000000 # [ 51.109033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.117297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.125566] irq event stamp: 0 # [ 51.129297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.136591] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.146021] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.155449] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.162743] ---[ end trace b27dfb9cdcf5d07a ]--- # [ 51.168191] 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 # [ 51.292569] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 51.304500] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 51.311902] lkdtm: Good: zero detected # [ 51.316385] lkdtm: Correctly stayed at zero # [ 51.327565] lkdtm: attempting bad refcount_inc() from zero # [ 51.333984] ------------[ cut here ]------------ # [ 51.345662] refcount_t: addition on 0; use-after-free. # [ 51.351715] WARNING: CPU: 3 PID: 2283 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.367629] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 51.426619] CPU: 3 PID: 2283 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 51.435563] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.442675] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.455017] Code: 02 01 e8 89 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a8 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed # [ 51.476292] RSP: 0018:ffffbf7442ca7e48 EFLAGS: 00010286 # [ 51.482418] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 51.490682] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 51.498945] RBP: ffffffffa8f82469 R08: 0000000000000000 R09: 0000000000000000 # [ 51.507206] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.515458] R13: ffffbf7442ca7f10 R14: ffffbf7442ca7f10 R15: ffffa26a06320000 # [ 51.523725] FS: 00007f2b7f8a7580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 51.533056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.539764] CR2: 00007f2b7f6b1000 CR3: 00000001032e0005 CR4: 00000000003706e0 # [ 51.548025] Call Trace: # [ 51.551038] ? __warn+0x80/0x110 # [ 51.554962] ? refcount_warn_saturate+0x74/0x110 # [ 51.560410] ? report_bug+0x9e/0xc0 # [ 51.564596] ? handle_bug+0x41/0x90 # [ 51.568779] ? exc_invalid_op+0x14/0x70 # [ 51.573352] ? asm_exc_invalid_op+0x12/0x20 # [ 51.578318] ? refcount_warn_saturate+0x74/0x110 # [ 51.583789] ? refcount_warn_saturate+0x74/0x110 # [ 51.589234] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 51.594491] direct_entry.cold+0x2c/0x38 # [ 51.605380] full_proxy_write+0x53/0x80 # [ 51.616167] vfs_write+0xe7/0x3b0 # [ 51.626373] ksys_write+0x68/0xf0 # [ 51.630367] do_syscall_64+0x30/0x40 # [ 51.634668] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.640601] RIP: 0033:0x7f2b7f7bd473 # [ 51.644883] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.666161] RSP: 002b:00007ffdeac3f048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.674941] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2b7f7bd473 # [ 51.689409] RDX: 0000000000000012 RSI: 00007f2b7f6b1000 RDI: 0000000000000001 # [ 51.697676] RBP: 00007f2b7f6b1000 R08: 00007f2b7f6b0010 R09: 0000000000000000 # [ 51.705939] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.714203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.722468] irq event stamp: 0 # [ 51.726190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.733483] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.742912] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.752338] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.759629] ---[ end trace b27dfb9cdcf5d07b ]--- # [ 51.765074] 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 # [ 51.905410] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 51.913423] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 51.920833] lkdtm: Good: zero detected # [ 51.925325] lkdtm: Correctly stayed at zero # [ 51.936502] lkdtm: attempting bad refcount_add() from zero # [ 51.942920] ------------[ cut here ]------------ # [ 51.954583] refcount_t: addition on 0; use-after-free. # [ 51.960652] WARNING: CPU: 1 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.970376] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 52.029351] CPU: 1 PID: 2316 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 52.038307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.051610] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.057740] Code: 02 01 e8 89 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed a8 c6 05 45 00 17 02 01 e8 66 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed # [ 52.079017] RSP: 0018:ffffbf7442d37e48 EFLAGS: 00010286 # [ 52.085146] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 52.093412] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 52.101676] RBP: ffffffffa8f8247b R08: 0000000000000000 R09: 0000000000000000 # [ 52.109943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.124416] R13: ffffbf7442d37f10 R14: ffffbf7442d37f10 R15: ffffa26a0596b000 # [ 52.132682] FS: 00007f2da8050580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 52.142018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.148732] CR2: 00007f2da7e5a000 CR3: 0000000105992006 CR4: 00000000003706e0 # [ 52.156996] Call Trace: # [ 52.160019] ? __warn+0x80/0x110 # [ 52.163946] ? refcount_warn_saturate+0x74/0x110 # [ 52.169426] ? report_bug+0x9e/0xc0 # [ 52.173615] ? handle_bug+0x41/0x90 # [ 52.177828] ? exc_invalid_op+0x14/0x70 # [ 52.182405] ? asm_exc_invalid_op+0x12/0x20 # [ 52.187372] ? refcount_warn_saturate+0x74/0x110 # [ 52.192853] ? refcount_warn_saturate+0x74/0x110 # [ 52.204515] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 52.215986] direct_entry.cold+0x2c/0x38 # [ 52.226875] full_proxy_write+0x53/0x80 # [ 52.231480] vfs_write+0xe7/0x3b0 # [ 52.235473] ksys_write+0x68/0xf0 # [ 52.239497] do_syscall_64+0x30/0x40 # [ 52.243780] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.249714] RIP: 0033:0x7f2da7f66473 # [ 52.254042] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.275315] RSP: 002b:00007fffae40ef48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.284065] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2da7f66473 # [ 52.292329] RDX: 0000000000000012 RSI: 00007f2da7e5a000 RDI: 0000000000000001 # [ 52.300591] RBP: 00007f2da7e5a000 R08: 00007f2da7e59010 R09: 0000000000000000 # [ 52.308855] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.317121] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.325389] irq event stamp: 0 # [ 52.329119] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.336413] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.345844] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.355273] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.362564] ---[ end trace b27dfb9cdcf5d07c ]--- # [ 52.368013] 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 # [ 52.694455] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 52.707623] lkdtm: attempting bad refcount_inc() from saturated # [ 52.720749] ------------[ cut here ]------------ # [ 52.732408] refcount_t: saturated; leaking memory. # [ 52.744301] WARNING: CPU: 2 PID: 2352 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.760204] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 52.819157] CPU: 2 PID: 2352 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 52.834318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.847630] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.859971] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed # [ 52.887462] RSP: 0018:ffffbf7442dd7e48 EFLAGS: 00010286 # [ 52.899803] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 52.914281] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 52.928757] RBP: ffffffffa8f8248d R08: 0000000000000000 R09: 0000000000000000 # [ 52.943235] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.957725] R13: ffffbf7442dd7f10 R14: ffffbf7442dd7f10 R15: ffffa26a02bb6000 # [ 52.972205] FS: 00007f0502f71580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 52.987750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.000675] CR2: 00007f0502d7b000 CR3: 0000000102c4e004 CR4: 00000000003706e0 # [ 53.015153] Call Trace: # [ 53.018195] ? __warn+0x80/0x110 # [ 53.028275] ? refcount_warn_saturate+0x51/0x110 # [ 53.033763] ? report_bug+0x9e/0xc0 # [ 53.044158] ? handle_bug+0x41/0x90 # [ 53.054533] ? exc_invalid_op+0x14/0x70 # [ 53.059108] ? asm_exc_invalid_op+0x12/0x20 # [ 53.070281] ? refcount_warn_saturate+0x51/0x110 # [ 53.081943] ? refcount_warn_saturate+0x51/0x110 # [ 53.087391] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 53.099339] direct_entry.cold+0x2c/0x38 # [ 53.104014] full_proxy_write+0x53/0x80 # [ 53.114796] vfs_write+0xe7/0x3b0 # [ 53.125003] ksys_write+0x68/0xf0 # [ 53.128996] do_syscall_64+0x30/0x40 # [ 53.139487] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.145422] RIP: 0033:0x7f0502e87473 # [ 53.155914] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.177189] RSP: 002b:00007ffdd4ddb558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.192148] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0502e87473 # [ 53.200412] RDX: 0000000000000017 RSI: 00007f0502d7b000 RDI: 0000000000000001 # [ 53.208677] RBP: 00007f0502d7b000 R08: 00007f0502d7a010 R09: 0000000000000000 # [ 53.216941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.231414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.239682] irq event stamp: 0 # [ 53.249592] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.256889] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.272527] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.288171] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.301680] ---[ end trace b27dfb9cdcf5d07d ]--- # [ 53.307128] 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 # [ 53.445013] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 53.457109] lkdtm: attempting bad refcount_dec() from saturated # [ 53.470241] ------------[ cut here ]------------ # [ 53.481900] refcount_t: decrement hit 0; leaking memory. # [ 53.494365] WARNING: CPU: 0 PID: 2388 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 53.510285] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 53.569236] CPU: 0 PID: 2388 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 53.584390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.597744] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 53.610054] Code: b8 d0 ed a8 c6 05 d5 ff 16 02 01 e8 f9 e5 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 d0 ed a8 c6 05 bc ff 16 02 01 e8 df e5 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 53.637565] RSP: 0018:ffffbf7442e4fe48 EFLAGS: 00010286 # [ 53.649887] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 53.664399] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 53.678845] RBP: ffffffffa8f824a4 R08: 0000000000000000 R09: 0000000000000000 # [ 53.693332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.707823] R13: ffffbf7442e4ff10 R14: ffffbf7442e4ff10 R15: ffffa26a0484c000 # [ 53.722343] FS: 00007f0597bed580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ 53.737876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.750811] CR2: 00007f05979f7000 CR3: 0000000105bae001 CR4: 00000000003706f0 # [ 53.765282] Call Trace: # [ 53.774556] ? __warn+0x80/0x110 # [ 53.784655] ? refcount_warn_saturate+0xfb/0x110 # [ 53.796353] ? report_bug+0x9e/0xc0 # [ 53.806761] ? handle_bug+0x41/0x90 # [ 53.817149] ? exc_invalid_op+0x14/0x70 # [ 53.827935] ? asm_exc_invalid_op+0x12/0x20 # [ 53.839170] ? refcount_warn_saturate+0xfb/0x110 # [ 53.850828] ? refcount_warn_saturate+0xfb/0x110 # [ 53.862517] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 53.874468] direct_entry.cold+0x2c/0x38 # [ 53.885392] full_proxy_write+0x53/0x80 # [ 53.896175] vfs_write+0xe7/0x3b0 # [ 53.906428] ksys_write+0x68/0xf0 # [ 53.916615] do_syscall_64+0x30/0x40 # [ 53.927163] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.939283] RIP: 0033:0x7f0597b03473 # [ 53.949875] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.977315] RSP: 002b:00007fff4b5def78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.992263] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0597b03473 # [ 54.006773] RDX: 0000000000000017 RSI: 00007f05979f7000 RDI: 0000000000000001 # [ 54.021250] RBP: 00007f05979f7000 R08: 00007f05979f6010 R09: 0000000000000000 # [ 54.035733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.044029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.058527] irq event stamp: 0 # [ 54.068424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.081938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.097570] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.113265] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.126762] ---[ end trace b27dfb9cdcf5d07e ]--- # [ 54.138426] 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 # [ 54.273388] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 54.282205] lkdtm: attempting bad refcount_dec() from saturated # [ 54.295340] ------------[ cut here ]------------ # [ 54.307024] refcount_t: saturated; leaking memory. # [ 54.318899] WARNING: CPU: 0 PID: 2424 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.334796] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 54.393765] CPU: 0 PID: 2424 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 54.408988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.422301] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.434643] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 79 00 17 02 00 75 ee 48 c7 c7 08 d0 ed a8 c6 05 69 00 17 02 01 e8 89 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 55 00 17 02 00 75 cb 48 c7 c7 30 d0 ed # [ 54.462090] RSP: 0018:ffffbf7442ee7e48 EFLAGS: 00010286 # [ 54.474461] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 54.488930] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 54.503391] RBP: ffffffffa8f824bb R08: 0000000000000000 R09: 0000000000000000 # [ 54.517899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.532344] R13: ffffbf7442ee7f10 R14: ffffbf7442ee7f10 R15: ffffa26a02662000 # [ 54.546841] FS: 00007fc32049a580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ 54.562367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.575335] CR2: 00007fc3202a4000 CR3: 00000001064ae004 CR4: 00000000003706f0 # [ 54.589777] Call Trace: # [ 54.599049] ? __warn+0x80/0x110 # [ 54.609130] ? refcount_warn_saturate+0x51/0x110 # [ 54.620807] ? report_bug+0x9e/0xc0 # [ 54.631193] ? handle_bug+0x41/0x90 # [ 54.641644] ? exc_invalid_op+0x14/0x70 # [ 54.652387] ? asm_exc_invalid_op+0x12/0x20 # [ 54.663672] ? refcount_warn_saturate+0x51/0x110 # [ 54.675239] ? refcount_warn_saturate+0x51/0x110 # [ 54.686968] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 54.698879] direct_entry.cold+0x2c/0x38 # [ 54.709786] full_proxy_write+0x53/0x80 # [ 54.720559] vfs_write+0xe7/0x3b0 # [ 54.730801] ksys_write+0x68/0xf0 # [ 54.740957] do_syscall_64+0x30/0x40 # [ 54.751514] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.763612] RIP: 0033:0x7fc3203b0473 # [ 54.774124] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.801597] RSP: 002b:00007ffeba119c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.816617] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc3203b0473 # [ 54.831059] RDX: 0000000000000017 RSI: 00007fc3202a4000 RDI: 0000000000000001 # [ 54.845550] RBP: 00007fc3202a4000 R08: 00007fc3202a3010 R09: 0000000000000000 # [ 54.860051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.874516] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.889009] irq event stamp: 0 # [ 54.898921] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.912441] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.928086] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.943728] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.957223] ---[ end trace b27dfb9cdcf5d07f ]--- # [ 54.968869] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 55.102917] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 55.113673] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 55.121477] ------------[ cut here ]------------ # [ 55.133127] refcount_t: saturated; leaking memory. # [ 55.138792] WARNING: CPU: 1 PID: 2457 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.148520] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 55.207522] CPU: 1 PID: 2457 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 55.216465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.223564] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.229692] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed # [ 55.250968] RSP: 0018:ffffbf7442f5fe38 EFLAGS: 00010282 # [ 55.257099] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.271579] RDX: ffffa26a7acac620 RSI: ffffa26a7ac9bf50 RDI: ffffa26a7ac9bf50 # [ 55.286057] RBP: ffffffffa8f820e8 R08: 0000000000000000 R09: 0000000000000000 # [ 55.300537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.308825] R13: ffffbf7442f5ff10 R14: ffffbf7442f5ff10 R15: ffffa26a032eb000 # [ 55.317090] FS: 00007f37c07dc580(0000) GS:ffffa26a7ac80000(0000) knlGS:0000000000000000 # [ 55.326421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.333130] CR2: 00007f37c05e6000 CR3: 00000001058e8002 CR4: 00000000003706e0 # [ 55.341418] Call Trace: # [ 55.344455] ? __warn+0x80/0x110 # [ 55.354551] ? refcount_warn_saturate+0x97/0x110 # [ 55.360000] ? report_bug+0x9e/0xc0 # [ 55.364187] ? handle_bug+0x41/0x90 # [ 55.368371] ? exc_invalid_op+0x14/0x70 # [ 55.372945] ? asm_exc_invalid_op+0x12/0x20 # [ 55.377910] ? refcount_warn_saturate+0x97/0x110 # [ 55.383382] ? refcount_warn_saturate+0x97/0x110 # [ 55.395038] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 55.401459] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 55.408073] direct_entry.cold+0x2c/0x38 # [ 55.412745] full_proxy_write+0x53/0x80 # [ 55.417352] vfs_write+0xe7/0x3b0 # [ 55.421368] ksys_write+0x68/0xf0 # [ 55.425360] do_syscall_64+0x30/0x40 # [ 55.429642] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.435599] RIP: 0033:0x7f37c06f2473 # [ 55.439881] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.461156] RSP: 002b:00007ffcabaa8058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.469907] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f37c06f2473 # [ 55.478170] RDX: 0000000000000020 RSI: 00007f37c05e6000 RDI: 0000000000000001 # [ 55.486432] RBP: 00007f37c05e6000 R08: 00007f37c05e5010 R09: 0000000000000000 # [ 55.494696] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.502959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.511226] irq event stamp: 0 # [ 55.514951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.528453] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.537881] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.547309] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.554602] ---[ end trace b27dfb9cdcf5d080 ]--- # [ 55.566264] 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 # [ 55.814126] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 55.825809] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 55.839802] ------------[ cut here ]------------ # [ 55.851466] refcount_t: saturated; leaking memory. # [ 55.863356] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.879257] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 55.938240] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 55.953372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.966686] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.979026] Code: 02 01 e8 66 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 34 00 17 02 00 75 a8 48 c7 c7 08 d0 ed a8 c6 05 24 00 17 02 01 e8 43 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed # [ 56.000302] RSP: 0018:ffffbf7442fb7e38 EFLAGS: 00010282 # [ 56.012641] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.020905] RDX: ffffa26a7ad2c620 RSI: ffffa26a7ad1bf50 RDI: ffffa26a7ad1bf50 # [ 56.035378] RBP: ffffffffa8f82108 R08: 0000000000000000 R09: 0000000000000000 # [ 56.043640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.058114] R13: ffffbf7442fb7f10 R14: ffffbf7442fb7f10 R15: ffffa26a04050000 # [ 56.066377] FS: 00007f92c6c75580(0000) GS:ffffa26a7ad00000(0000) knlGS:0000000000000000 # [ 56.075725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.088663] CR2: 00007f92c6a7f000 CR3: 0000000102cfa004 CR4: 00000000003706e0 # [ 56.096924] Call Trace: # [ 56.106159] ? __warn+0x80/0x110 # [ 56.116269] ? refcount_warn_saturate+0x97/0x110 # [ 56.127932] ? report_bug+0x9e/0xc0 # [ 56.138333] ? handle_bug+0x41/0x90 # [ 56.148732] ? exc_invalid_op+0x14/0x70 # [ 56.153306] ? asm_exc_invalid_op+0x12/0x20 # [ 56.164480] ? refcount_warn_saturate+0x97/0x110 # [ 56.176142] ? refcount_warn_saturate+0x97/0x110 # [ 56.181591] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.194218] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.200832] direct_entry.cold+0x2c/0x38 # [ 56.211726] full_proxy_write+0x53/0x80 # [ 56.222516] vfs_write+0xe7/0x3b0 # [ 56.232728] ksys_write+0x68/0xf0 # [ 56.236725] do_syscall_64+0x30/0x40 # [ 56.247214] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.253148] RIP: 0033:0x7f92c6b8b473 # [ 56.263639] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.291127] RSP: 002b:00007ffdf560d238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.299877] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92c6b8b473 # [ 56.314351] RDX: 0000000000000020 RSI: 00007f92c6a7f000 RDI: 0000000000000001 # [ 56.322615] RBP: 00007f92c6a7f000 R08: 00007f92c6a7e010 R09: 0000000000000000 # [ 56.330879] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.345353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.353621] irq event stamp: 0 # [ 56.363526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.370821] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.386458] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.395888] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.409391] ---[ end trace b27dfb9cdcf5d081 ]--- # [ 56.421054] 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 # [ 56.574612] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 56.584674] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 56.598666] ------------[ cut here ]------------ # [ 56.610325] refcount_t: underflow; use-after-free. # [ 56.622203] WARNING: CPU: 0 PID: 2526 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.638137] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 56.697090] CPU: 0 PID: 2526 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 56.712256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.725589] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.737973] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 56.765442] RSP: 0018:ffffbf744306fe40 EFLAGS: 00010286 # [ 56.777812] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 56.792313] RDX: ffffa26a7ac2c620 RSI: ffffa26a7ac1bf50 RDI: ffffa26a7ac1bf50 # [ 56.806770] RBP: ffffffffa8f82128 R08: 0000000000000000 R09: 0000000000000000 # [ 56.821222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.835704] R13: ffffbf744306ff10 R14: ffffbf744306ff10 R15: ffffa26a0588b000 # [ 56.850192] FS: 00007f99f1477580(0000) GS:ffffa26a7ac00000(0000) knlGS:0000000000000000 # [ 56.865742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.878688] CR2: 00007f99f1281000 CR3: 0000000102e14005 CR4: 00000000003706f0 # [ 56.893146] Call Trace: # [ 56.902376] ? __warn+0x80/0x110 # [ 56.912526] ? refcount_warn_saturate+0xba/0x110 # [ 56.924157] ? report_bug+0x9e/0xc0 # [ 56.934564] ? handle_bug+0x41/0x90 # [ 56.944965] ? exc_invalid_op+0x14/0x70 # [ 56.955775] ? asm_exc_invalid_op+0x12/0x20 # [ 56.966942] ? refcount_warn_saturate+0xba/0x110 # [ 56.978644] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.991244] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 57.004103] direct_entry.cold+0x2c/0x38 # [ 57.014959] full_proxy_write+0x53/0x80 # [ 57.025763] vfs_write+0xe7/0x3b0 # [ 57.035950] ksys_write+0x68/0xf0 # [ 57.046151] do_syscall_64+0x30/0x40 # [ 57.056691] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.068824] RIP: 0033:0x7f99f138d473 # [ 57.079286] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.106824] RSP: 002b:00007ffffa6dc728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.121807] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f99f138d473 # [ 57.136279] RDX: 0000000000000020 RSI: 00007f99f1281000 RDI: 0000000000000001 # [ 57.150728] RBP: 00007f99f1281000 R08: 00007f99f1280010 R09: 0000000000000000 # [ 57.165208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.179703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.194208] irq event stamp: 0 # [ 57.204125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.217620] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.233296] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.248973] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.262462] ---[ end trace b27dfb9cdcf5d082 ]--- # [ 57.274148] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 57.469548] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 57.480971] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 57.488762] ------------[ cut here ]------------ # [ 57.494214] refcount_t: underflow; use-after-free. # [ 57.499884] WARNING: CPU: 3 PID: 2562 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.509610] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo cros_usbpd_charger cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc cros_ec_chardev cros_ec_debugfs videobuf2_memops cros_ec_sensorhub snd_soc_da7219 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_core videobuf2_common snd_compress snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify coreboot_table cros_kbd_led_backlight chromeos_pstore # [ 57.568578] CPU: 3 PID: 2562 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 57.577528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.590836] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.596964] Code: 02 01 e8 43 e6 c5 00 0f 0b c3 cc cc cc cc 80 3d 0e 00 17 02 00 75 85 48 c7 c7 60 d0 ed a8 c6 05 fe ff 16 02 01 e8 20 e6 c5 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ff 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 57.618238] RSP: 0018:ffffbf744310fe40 EFLAGS: 00010286 # [ 57.624366] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 57.632630] RDX: ffffa26a7adac620 RSI: ffffa26a7ad9bf50 RDI: ffffa26a7ad9bf50 # [ 57.640893] RBP: ffffffffa8f82148 R08: 0000000000000000 R09: 0000000000000000 # [ 57.649155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.657418] R13: ffffbf744310ff10 R14: ffffbf744310ff10 R15: ffffa26a032cf000 # [ 57.665682] FS: 00007f273fed8580(0000) GS:ffffa26a7ad80000(0000) knlGS:0000000000000000 # [ 57.675013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.681727] CR2: 00007f273fce2000 CR3: 000000010406e002 CR4: 00000000003706e0 # [ 57.689988] Call Trace: # [ 57.693011] ? __warn+0x80/0x110 # [ 57.696932] ? refcount_warn_saturate+0xba/0x110 # [ 57.708586] ? report_bug+0x9e/0xc0 # [ 57.712773] ? handle_bug+0x41/0x90 # [ 57.716957] ? exc_invalid_op+0x14/0x70 # [ 57.721530] ? asm_exc_invalid_op+0x12/0x20 # [ 57.726495] ? refcount_warn_saturate+0xba/0x110 # [ 57.731975] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 57.738394] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 57.745006] direct_entry.cold+0x2c/0x38 # [ 57.749680] full_proxy_write+0x53/0x80 # [ 57.760473] vfs_write+0xe7/0x3b0 # [ 57.770675] ksys_write+0x68/0xf0 # [ 57.780882] do_syscall_64+0x30/0x40 # [ 57.785196] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.791128] RIP: 0033:0x7f273fdee473 # [ 57.795410] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.816690] RSP: 002b:00007ffffca0d0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.825449] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f273fdee473 # [ 57.833735] RDX: 0000000000000020 RSI: 00007f273fce2000 RDI: 0000000000000001 # [ 57.841998] RBP: 00007f273fce2000 R08: 00007f273fce1010 R09: 0000000000000000 # [ 57.850259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.858520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.866784] irq event stamp: 0 # [ 57.870507] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.877799] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.887226] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.896676] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.903968] ---[ end trace b27dfb9cdcf5d083 ]--- # [ 57.915623] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 58.960094] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 58.968166] lkdtm: attempting good copy_to_user of correct size # [ 58.975103] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 59.130488] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 59.138603] lkdtm: attempting good copy_from_user of correct size # [ 59.151902] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 59.311166] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 59.322257] lkdtm: attempting good copy_to_user inside whitelist # [ 59.335502] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 59.476540] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 59.487067] lkdtm: attempting good copy_from_user inside whitelist # [ 59.494279] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 59.650873] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 59.664184] lkdtm: good_stack: ffffbf74434e7e20-ffffbf74434e7e40 # [ 59.677406] lkdtm: bad_stack : ffffbf74434e7da8-ffffbf74434e7dc8 # [ 59.690663] lkdtm: attempting good copy_to_user of local stack # [ 59.703668] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 59.859740] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 59.873323] lkdtm: good_stack: ffffbf744355fe20-ffffbf744355fe40 # [ 59.880330] lkdtm: bad_stack : ffffbf744355fda8-ffffbf744355fdc8 # [ 59.887385] lkdtm: attempting good copy_from_user of local stack # [ 59.894405] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 60.034473] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 60.045591] lkdtm: good_stack: ffffbf7443647e20-ffffbf7443647e40 # [ 60.052601] lkdtm: bad_stack : ffffbf7443647ff8-ffffbf7443648018 # [ 60.059613] lkdtm: attempting good copy_to_user of local stack # [ 60.066432] lkdtm: attempting bad copy_to_user of distant stack # [ 60.073367] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 60.209590] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 60.216477] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa8af8550 # [ 60.225433] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa70e2a80 # [ 60.234092] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 60.368202] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 60.377121] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 60.385305] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 60.399577] lkdtm: FAIL: the thread stack is NOT properly erased # [ 60.412792] CPU: 1 PID: 2938 Comm: cat Tainted: G D W 5.10.201-cip41 #1 # [ 60.421732] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.428828] Call Trace: # [ 60.431850] dump_stack+0x77/0x9b # [ 60.435870] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 60.441314] direct_entry.cold+0x2c/0x38 # [ 60.445984] full_proxy_write+0x53/0x80 # [ 60.450557] vfs_write+0xe7/0x3b0 # [ 60.454545] ksys_write+0x68/0xf0 # [ 60.458535] do_syscall_64+0x30/0x40 # [ 60.462816] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.468747] RIP: 0033:0x7f3ae0415473 # [ 60.473027] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.494298] RSP: 002b:00007ffe4357c5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.503044] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ae0415473 # [ 60.511305] RDX: 0000000000000012 RSI: 00007f3ae0309000 RDI: 0000000000000001 # [ 60.519565] RBP: 00007f3ae0309000 R08: 00007f3ae0308010 R09: 0000000000000000 # [ 60.527824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.536083] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 60.670816] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 60.681581] lkdtm: Calling matched prototype ... # [ 60.687064] lkdtm: Calling mismatched prototype ... # [ 60.692841] 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 <6>[ 66.773828] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 66.784859] pci 0000:00:1e.6: deferred probe pending lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #