[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 31813 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 29 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 231 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 375936 run 170763 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8971 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 8973 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 8964 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90952 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107742 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14153 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14154 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 22396 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 53504 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 13859 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 11311 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 9263 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2738 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 10039 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 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466015 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486123 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 825866 exit 39231 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113845 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 226 run 139301 exit 20268 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 30926 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 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5284 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23485 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23804 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 2389 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24419 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-04 06:08:36 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-04 06:08:36 UTC ELOG: Event(92) added with size 9 at 2022-07-04 06:08:36 UTC ELOG: Event(9A) added with size 9 at 2022-07-04 06:08:36 UTC ELOG: Event(AD) added with size 10 at 2022-07-04 06:08:36 UTC ELOG: Event(9F) added with size 14 at 2022-07-04 06:08:36 UTC BS: BS_DEV_INIT times (us): entry 0 run 417138 exit 59989 ELOG: Event(A1) added with size 10 at 2022-07-04 06:08:36 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-04 06:08:36 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25551 run 3968 exit 5193 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, 0x57c bytes, checksum bebf coreboot table: 1428 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 COREBOOTFWD 7. 7affe940 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 533774 exit 146039 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 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: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 258908 exit 135100 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 6743712/tftp-deploy-jd8ex8w0/kernel/bzImage 6743712/tftp-deploy-jd8ex8w0/kernel/cmdline 6743712/tftp-deploy-jd8ex8w0/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6743712/tftp-deploy-jd8ex8w0/kernel/bzImy-jd8ex8w0/kernel/cmdline 6743712/tftp-deploy-jd8ex8w0/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6743712/tftp-deploy-jd8ex8w0/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 ############################################################## done. The bootfile was 13090112 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 ################ done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6743712/tftp-deploy-jd8ex8w0/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6743712/extract-nfsrootfs-4za4a1uv,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: 18154589 Starting kernel ... [ 0.000000] Linux version 5.10.126-cip11 (KernelCI@build-j303301-x86-64-gcc-10-x86-64-defconfig-x86-chromeboorzlht) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jul 4 06:40:29 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6743712/extract-nfsrootfs-4za4a1uv,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000040] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001066] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005601] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.017890] check: Scanning 1 areas for low memory corruption [ 0.017899] Using GB pages for direct mapping [ 0.018465] RAMDISK: [mem 0x377e1000-0x37ffffff] [ 0.018470] ACPI: Early table checksum verification disabled [ 0.018477] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.018487] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018499] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018511] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.018520] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018529] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018537] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.018546] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018555] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018564] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.018572] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.018581] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018590] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.018599] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018608] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.018612] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.018615] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018619] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018622] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.018626] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.018629] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.018633] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.018636] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.018640] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.018643] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.018646] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.018773] No NUMA configuration found [ 0.018777] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.018784] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.018816] Zone ranges: [ 0.018820] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.018826] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.018831] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.018836] Movable zone start for each node [ 0.018840] Early memory node ranges [ 0.018844] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.018847] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.018851] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.018856] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.018882] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.018924] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.028758] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.028814] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.028837] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.029175] ACPI: PM-Timer IO Port: 0x1808 [ 0.029225] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.029235] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.029239] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.029250] Using ACPI (MADT) for SMP configuration information [ 0.029254] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.029260] TSC deadline timer available [ 0.029264] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.029295] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.029299] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.029304] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.029307] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.029310] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.029314] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.029317] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.029320] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.029323] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.029326] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.029330] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.029333] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.029336] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.029339] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.029342] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.029349] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.029355] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.040228] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.040464] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.040519] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.040523] Policy zone: Normal [ 0.040534] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6743712/extract-nfsrootfs-4za4a1uv,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.040932] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.041129] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.041196] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.059254] Memory: 3892572K/4089052K available (18450K kernel code, 3458K rwdata, 5984K rodata, 1688K init, 11616K bss, 196220K reserved, 0K cma-reserved) [ 0.059369] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.059411] Kernel/User page tables isolation: enabled [ 0.059485] ftrace: allocating 52720 entries in 206 pages [ 0.088132] ftrace: allocated 206 pages with 5 groups [ 0.088364] Running RCU self tests [ 0.088376] rcu: Hierarchical RCU implementation. [ 0.088380] rcu: RCU event tracing is enabled. [ 0.088383] rcu: RCU lockdep checking is enabled. [ 0.088387] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088391] Rude variant of Tasks RCU enabled. [ 0.088394] Tracing variant of Tasks RCU enabled. [ 0.088397] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088401] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.095628] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096021] random: crng init done [ 0.096102] Console: colour dummy device 80x25 [ 0.171197] printk: console [ttyS0] enabled [ 0.171565] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.172226] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.172579] ... MAX_LOCK_DEPTH: 48 [ 0.172940] ... MAX_LOCKDEP_KEYS: 8192 [ 0.173317] ... CLASSHASH_SIZE: 4096 [ 0.173692] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.174075] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.174457] ... CHAINHASH_SIZE: 32768 [ 0.174840] memory used by lock dependency info: 6365 kB [ 0.175301] memory used for stack traces: 4224 kB [ 0.175713] per task-struct memory footprint: 1920 bytes [ 0.176217] ACPI: Core revision 20200925 [ 0.176753] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.177251] APIC: Switch to symmetric I/O mode setup [ 0.181720] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.182632] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.183536] pid_max: default: 32768 minimum: 301 [ 0.183619] LSM: Security Framework initializing [ 0.183619] SELinux: Initializing. [ 0.183619] LSM support for eBPF active [ 0.183619] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183619] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183619] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.183619] process: using mwait in idle threads [ 0.183619] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.183619] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.183619] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.183619] Spectre V2 : Mitigation: Retpolines [ 0.183619] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.183619] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.183619] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.183619] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.183619] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.183619] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183619] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183619] SRBDS: Vulnerable: No microcode [ 0.183619] Freeing SMP alternatives memory: 44K [ 0.183619] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.184163] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.184632] ... version: 4 [ 0.184988] ... bit width: 48 [ 0.185348] ... generic registers: 4 [ 0.185625] ... value mask: 0000ffffffffffff [ 0.186088] ... max period: 00007fffffffffff [ 0.186549] ... fixed-purpose events: 3 [ 0.186624] ... event mask: 000000070000000f [ 0.187519] rcu: Hierarchical SRCU implementation. [ 0.189324] smp: Bringing up secondary CPUs ... [ 0.190241] x86: Booting SMP configuration: [ 0.190637] .... node #0, CPUs: #1 [ 0.191711] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.192643] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.194185] #2 #3 [ 0.196186] smp: Brought up 1 node, 4 CPUs [ 0.196626] smpboot: Max logical packages: 1 [ 0.197005] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.199897] devtmpfs: initialized [ 0.200191] x86/mm: Memory block size: 128MB [ 0.203710] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.204641] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.205591] pinctrl core: initialized pinctrl subsystem [ 0.205949] PM: RTC time: 06:08:50, date: 2022-07-04 [ 0.206846] NET: Registered protocol family 16 [ 0.207851] audit: initializing netlink subsys (disabled) [ 0.208350] audit: type=2000 audit(1656914929.025:1): state=initialized audit_enabled=0 res=1 [ 0.209022] thermal_sys: Registered thermal governor 'step_wise' [ 0.209166] thermal_sys: Registered thermal governor 'user_space' [ 0.209688] cpuidle: using governor menu [ 0.210767] ACPI: bus type PCI registered [ 0.211426] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.211632] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.212246] PCI: Using configuration type 1 for base access [ 0.232761] Kprobes globally optimized [ 0.233128] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.233637] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.234369] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.236804] ACPI: Added _OSI(Module Device) [ 0.237017] ACPI: Added _OSI(Processor Device) [ 0.237407] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.237630] ACPI: Added _OSI(Processor Aggregator Device) [ 0.238103] ACPI: Added _OSI(Linux-Dell-Video) [ 0.238494] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.239627] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.250814] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.258174] ACPI: EC: EC started [ 0.258480] ACPI: EC: interrupt blocked [ 0.259274] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.259628] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.260263] ACPI: Interpreter enabled [ 0.260648] ACPI: (supports S0 S3 S4 S5) [ 0.260997] ACPI: Using IOAPIC for interrupt routing [ 0.261497] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.277065] ACPI: Power Resource [PRIC] (on) [ 0.404726] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.405270] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.406871] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.407526] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.409155] PCI host bridge to bus 0000:00 [ 0.409522] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.409627] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.410214] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.410625] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.411269] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.412626] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.413270] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.413625] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.414269] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.414625] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.415268] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.415625] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.416269] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.417626] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.418269] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.418625] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.419269] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.419625] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.420283] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.421626] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.422270] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.422697] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.424086] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.424628] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.425225] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.425633] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.426686] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.427228] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.428307] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.428649] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.429822] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.430370] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.431757] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.432919] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.433468] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.434244] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.434668] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.435977] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.436533] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.438393] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.438668] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.439275] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.440326] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.441669] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.443013] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.443709] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.444916] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.445472] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.446364] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.446669] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.447976] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.448526] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.450436] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.450663] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.451940] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.453146] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.453659] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.454869] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.455423] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.455681] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.456355] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.458291] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.458690] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.459346] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.460277] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.460656] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.462153] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.462914] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.464474] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.467233] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.467641] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.469346] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.469866] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.470700] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.471556] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.472861] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.473719] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.474577] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.474857] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.480639] ACPI: EC: interrupt unblocked [ 0.481005] ACPI: EC: event unblocked [ 0.481340] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.481625] ACPI: EC: GPE=0x6e [ 0.481905] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.482512] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.483994] iommu: Default domain type: Translated [ 0.484827] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.485223] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.485647] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.486147] vgaarb: loaded [ 0.486822] SCSI subsystem initialized [ 0.487183] ACPI: bus type USB registered [ 0.487736] usbcore: registered new interface driver usbfs [ 0.488264] usbcore: registered new interface driver hub [ 0.488657] usbcore: registered new device driver usb [ 0.489208] pps_core: LinuxPPS API ver. 1 registered [ 0.489625] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.490413] PTP clock support registered [ 0.490837] Advanced Linux Sound Architecture Driver Initialized. [ 0.492439] NetLabel: Initializing [ 0.492626] NetLabel: domain hash size = 128 [ 0.493011] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.493560] NetLabel: unlabeled traffic allowed by default [ 0.493724] PCI: Using ACPI for IRQ routing [ 0.501806] clocksource: Switched to clocksource tsc-early [ 0.810128] VFS: Disk quotas dquot_6.6.0 [ 0.810518] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.811435] pnp: PnP ACPI init [ 0.812374] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.812969] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.813545] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.814130] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.814718] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.815293] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.815905] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.816508] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.817092] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.817679] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.819015] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.819866] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.820581] system 00:04: [io 0x0200] has been reserved [ 0.821063] system 00:04: [io 0x0204] has been reserved [ 0.821531] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.822058] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.824671] pnp: PnP ACPI: found 6 devices [ 0.837188] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.838050] NET: Registered protocol family 2 [ 0.838557] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.840491] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.841402] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.842261] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.844571] TCP: Hash tables configured (established 32768 bind 32768) [ 0.845400] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.846301] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.847126] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.848081] NET: Registered protocol family 1 [ 0.849071] RPC: Registered named UNIX socket transport module. [ 0.849606] RPC: Registered udp transport module. [ 0.850038] RPC: Registered tcp transport module. [ 0.850452] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.851479] NET: Registered protocol family 44 [ 0.851906] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.852355] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.852969] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.853503] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.854046] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.854695] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.855289] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.855893] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.856487] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.857097] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.857710] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.858312] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.858921] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.859542] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.860151] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.860762] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.861364] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.861975] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.862577] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.863185] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.863811] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.864412] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.865021] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.865918] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.868277] PCI: CLS 64 bytes, default 64 [ 0.868954] Unpacking initramfs... [ 1.111007] Freeing initrd memory: 8316K [ 1.111414] DMAR: Host address width 39 [ 1.111824] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.112341] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.113077] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.113619] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.114109] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.114882] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.115442] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.116324] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.117027] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.117527] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.118102] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.118572] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.119072] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.121097] kvm: already loaded the other module [ 1.135658] check: Scanning for low memory corruption every 60 seconds [ 1.138952] Initialise system trusted keyrings [ 1.139522] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.156485] NFS: Registering the id_resolver key type [ 1.156979] Key type id_resolver registered [ 1.157370] Key type id_legacy registered [ 1.174048] Key type asymmetric registered [ 1.174431] Asymmetric key parser 'x509' registered [ 1.174912] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.175561] io scheduler mq-deadline registered [ 1.175970] io scheduler kyber registered [ 1.176501] test_firmware: interface ready [ 1.178131] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.179746] ACPI: AC Adapter [AC] (on-line) [ 1.180432] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.181978] ACPI: Lid Switch [LID0] [ 1.182526] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.183385] ACPI: Power Button [PWRF] [ 1.184110] ACPI: \_PR_.CP00: Found 3 idle states [ 1.185100] ACPI: \_PR_.CP01: Found 3 idle states [ 1.186011] ACPI: \_PR_.CP02: Found 3 idle states [ 1.186908] ACPI: \_PR_.CP03: Found 3 idle states [ 1.188176] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.191085] hpet_acpi_add: no address or irqs in _CRS [ 1.191610] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.191749] Non-volatile memory driver v1.3 [ 1.192672] Linux agpgart interface v0.103 [ 1.195306] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.248315] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.249602] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.250527] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.251742] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.286940] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.290561] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.307680] loop: module loaded [ 1.308698] lkdtm: No crash points registered, enable through debugfs [ 1.330452] printk: console [ttyS0] disabled [ 1.331036] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.198737] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.203732] printk: console [ttyS0] enabled [ 2.212395] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.236071] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.561723] clocksource: Switched to clocksource tsc [ 4.561822] fbcon: i915drmfb (fb0) is primary device [ 4.563535] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.570236] e100: Intel(R) PRO/100 Network Driver [ 4.570239] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.570289] e1000: Intel(R) PRO/1000 Network Driver [ 4.570291] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.570354] e1000e: Intel(R) PRO/1000 Network Driver [ 4.570356] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.570422] sky2: driver version 1.30 [ 4.570699] usbcore: registered new interface driver r8152 [ 4.571183] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.571211] ehci-pci: EHCI PCI platform driver [ 4.571266] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.571279] ohci-pci: OHCI PCI platform driver [ 4.571326] uhci_hcd: USB Universal Host Controller Interface driver [ 4.572173] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.572827] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.573554] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.574205] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.574265] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.575897] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.575910] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.575913] usb usb1: Product: xHCI Host Controller [ 4.575916] usb usb1: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.575918] usb usb1: SerialNumber: 0000:00:14.0 [ 4.577288] hub 1-0:1.0: USB hub found [ 4.577425] hub 1-0:1.0: 12 ports detected [ 4.580910] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.581282] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.581296] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.581576] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.581590] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.581593] usb usb2: Product: xHCI Host Controller [ 4.581596] usb usb2: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.581598] usb usb2: SerialNumber: 0000:00:14.0 [ 4.582592] hub 2-0:1.0: USB hub found [ 4.582707] hub 2-0:1.0: 6 ports detected [ 4.584294] usbcore: registered new interface driver usblp [ 4.584350] usbcore: registered new interface driver usb-storage [ 4.584740] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.584839] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.584842] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.585513] i8042: Warning: Keylock active [ 4.585753] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.587162] rtc_cmos 00:02: RTC can wake from S4 [ 4.588934] rtc_cmos 00:02: registered as rtc0 [ 4.589111] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.589788] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.590647] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.590715] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.591787] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.593520] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.593566] intel_pstate: Intel P-state driver initializing [ 4.594573] intel_pstate: HWP enabled [ 4.594637] sdhci: Secure Digital Host Controller Interface driver [ 4.594638] sdhci: Copyright(c) Pierre Ossman [ 4.594680] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.595205] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.596023] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.596200] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.597532] hid: raw HID events driver (C) Jiri Kosina [ 4.598218] usbcore: registered new interface driver usbhid [ 4.598219] usbhid: USB HID core driver [ 4.598761] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.599838] Console: switching to colour frame buffer device 240x67 [ 4.603620] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.604245] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.604736] netem: version 1.3 [ 4.604933] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.605263] gre: GRE over IPv4 demultiplexor driver [ 4.605265] ip_gre: GRE over IPv4 tunneling driver [ 4.606056] IPv4 over IPsec tunneling driver [ 4.606291] Initializing XFRM netlink socket [ 4.606831] NET: Registered protocol family 10 [ 4.607650] Segment Routing with IPv6 [ 4.608268] ip6_gre: GRE over IPv6 tunneling driver [ 4.608542] NET: Registered protocol family 17 [ 4.608649] Key type dns_resolver registered [ 4.609337] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 4.609379] microcode: Microcode Update Driver: v2.2. [ 4.609384] IPI shorthand broadcast: enabled [ 4.609417] sched_clock: Marking stable (4522445640, 86628961)->(4623791655, -14717054) [ 4.609641] registered taskstats version 1 [ 4.609646] Loading compiled-in X.509 certificates [ 4.612331] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.612787] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.615100] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.616653] PM: Magic number: 14:5:114 [ 4.621572] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.685674] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 4.801983] mmc0: new HS400 MMC card at address 0001 [ 4.810196] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.810463] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 4.817354] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.242584] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.242658] printk: console [netcon0] enabled [ 5.250152] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.254856] netconsole: network logging started [ 5.266797] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.273616] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.309596] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.320584] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.320933] IP-Config: Failed to open gretap0 [ 5.333723] IP-Config: Failed to open erspan0 [ 5.338600] IP-Config: No network devices available [ 5.344065] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.355355] modprobe (102) used greatest stack depth: 14208 bytes left [ 5.358140] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.362679] modprobe (103) used greatest stack depth: 14032 bytes left [ 5.377479] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.387298] ALSA device list: [ 5.390711] cfg80211: failed to load regulatory.db [ 5.391689] No soundcards found. [ 5.400206] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.403847] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.416496] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.424994] Freeing unused kernel image (initmem) memory: 1688K [ 5.426852] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.452920] Write protecting the kernel read-only data: 26624k [ 5.460483] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.468124] Freeing unused kernel image (rodata/data gap) memory: 160K [ 5.475493] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 5.494837] systemd-udevd (124) used greatest stack depth: 13800 bytes left [ 5.516797] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.540563] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.541542] udevadm (126) used greatest stack depth: 13576 bytes left [ 5.549749] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.564935] usb 2-3: Product: USB 10/100/1000 LAN [ 5.570203] usb 2-3: Manufacturer: Realtek [ 5.574790] usb 2-3: SerialNumber: 001000001 [ 5.583988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.652685] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.681240] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 5.690223] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.713600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.762179] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.772772] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.782544] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.792874] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.808148] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.813401] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.817821] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.825563] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.841672] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.847029] usb 1-9: Manufacturer: Azurewave [ 5.851815] usb 1-9: SerialNumber: 0x0001 [ 5.859515] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.908860] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.934313] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.944021] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.982671] r8152 2-3:1.0 eth0: v1.11.11 [ 5.987454] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.004270] r8152 2-3:1.0 enx00e04c680bd9: renamed from eth0 [ 6.023506] udevadm (140) 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 ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: no response after 2 secs - giving up IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP [ 7.586729] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680bd9: link becomes ready [ 7.594930] r8152 2-3:1.0 enx00e04c680bd9: carrier on IP-Config: enx00e04c680bd9 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.323307] nfsmount (160) used greatest stack depth: 12680 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 [ 9.430417] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.467913] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.498690] systemd[1]: Set hostname to . [ 9.920531] systemd[1]: Queued start job for default target Graphical Interface. [ 9.931576] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 9.947243] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 9.963254] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 9.980196] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 9.996159] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.015169] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.036787] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.057013] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.072892] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.083871] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.099969] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.110887] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.122156] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.139801] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.156069] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.172246] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.187784] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.206311] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.222251] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.239524] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.253129] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.270097] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.286088] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.309897] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.330207] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.345347] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.359362] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.396059] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.406464] fuse: init (API version 7.32) [ 10.412329] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.427596] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.441863] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.459980] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.477755] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.492965] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.509098] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.523945] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.539808] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.559412] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.566322] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.582493] systemd[1]: modprobe@drm.service: Succeeded. [ 10.588980] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 10.605718] systemd[1]: modprobe@fuse.service: Succeeded. [ 10.612443] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 10.629658] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 10.643662] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 10.661127] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0[ 10.737168] systemd-journald[196]: Received client request to flush runtime journal. m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.239749] systemd-tmpfile (207) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.126-cip11 #1 SMP Mon Jul 4 06:40:29 UTC 2022 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/6743712/extract-nfsrootfs-4za4a1uv' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6743712/extract-nfsrootfs-4za4a1uv' / # 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-6743712/environment . /lava-6743712/environment / # /lava-6743712/bin/lava-test-runner /lava-6743712/0 /lava-6743712/bin/lava-test-runner /lava-6743712/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6743712/0/tests/0_timesync-off ++ cat uuid + UUID=6743712_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6743712/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6743712_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.126-cip11/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6743712/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-04 06:09:22-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.126-cip11/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3462092 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 6%[> ] 217.50K 377KB/s kselftest.tar.xz 24%[===> ] 817.06K 771KB/s kselftest.tar.xz 72%[=============> ] 2.40M 1.85MB/s kselftest.tar.xz 100%[===================>] 3.30M 2.22MB/s in 1.5s 2022-07-04 06:09:25 (2.22 MB/s) - 'kselftest.tar.xz' saved [3462092/3462092] tar: ./size/get_size: time stamp 2022-07-04 06:48:21 is 2335.86681189 s in the future tar: ./size: time stamp 2022-07-04 06:48:33 is 2347.864757987 s in the future tar: ./ptrace/vmaccess: time stamp 2022-07-04 06:48:18 is 2332.857922108 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-07-04 06:48:18 is 2332.853558337 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-07-04 06:48:18 is 2332.846696047 s in the future tar: ./ptrace: time stamp 2022-07-04 06:48:33 is 2347.845014289 s in the future tar: ./lib/strscpy.sh: time stamp 2022-07-04 06:30:50 is 1284.838873503 s in the future tar: ./lib/printf.sh: time stamp 2022-07-04 06:30:50 is 1284.835344769 s in the future tar: ./lib/bitmap.sh: time stamp 2022-07-04 06:30:50 is 1284.832445221 s in the future tar: ./lib/prime_numbers.sh: time stamp 2022-07-04 06:30:50 is 1284.82952064 s in the future tar: ./lib: time stamp 2022-07-04 06:48:32 is 2346.828305531 s in the future tar: ./filesystems/devpts_pts: time stamp 2022-07-04 06:47:59 is 2313.822166453 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-07-04 06:47:59 is 2313.817256134 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-07-04 06:48:00 is 2314.786157789 s in the future tar: ./filesystems/epoll: time stamp 2022-07-04 06:48:31 is 2345.784752771 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-07-04 06:48:31 is 2345.776479359 s in the future tar: ./filesystems/binderfs: time stamp 2022-07-04 06:48:31 is 2345.775417766 s in the future tar: ./filesystems: time stamp 2022-07-04 06:48:31 is 2345.774226364 s in the future tar: ./vm/protection_keys_32: time stamp 2022-07-04 06:48:24 is 2338.765565685 s in the future tar: ./vm/thuge-gen: time stamp 2022-07-04 06:48:24 is 2338.761505573 s in the future tar: ./vm/mlock-random-test: time stamp 2022-07-04 06:48:23 is 2337.756775448 s in the future tar: ./vm/hmm-tests: time stamp 2022-07-04 06:48:23 is 2337.742137715 s in the future tar: ./vm/transhuge-stress: time stamp 2022-07-04 06:48:24 is 2338.737243614 s in the future tar: ./vm/gup_benchmark: time stamp 2022-07-04 06:48:23 is 2337.732885003 s in the future tar: ./vm/run_vmtests: time stamp 2022-07-04 06:30:50 is 1284.729809978 s in the future tar: ./vm/on-fault-limit: time stamp 2022-07-04 06:48:24 is 2338.725416399 s in the future tar: ./vm/khugepaged: time stamp 2022-07-04 06:48:24 is 2338.719610613 s in the future tar: ./vm/map_fixed_noreplace: time stamp 2022-07-04 06:48:23 is 2337.715294929 s in the future tar: ./vm/hugepage-shm: time stamp 2022-07-04 06:48:23 is 2337.710878533 s in the future tar: ./vm/protection_keys_64: time stamp 2022-07-04 06:48:24 is 2338.703086748 s in the future tar: ./vm/userfaultfd: time stamp 2022-07-04 06:48:24 is 2338.696004239 s in the future tar: ./vm/compaction_test: time stamp 2022-07-04 06:48:22 is 2336.691907159 s in the future tar: ./vm/mremap_dontunmap: time stamp 2022-07-04 06:48:23 is 2337.6875353 s in the future tar: ./vm/write_to_hugetlbfs: time stamp 2022-07-04 06:48:24 is 2338.682697746 s in the future tar: ./vm/map_populate: time stamp 2022-07-04 06:48:23 is 2337.678231402 s in the future tar: ./vm/test_vmalloc.sh: time stamp 2022-07-04 06:30:50 is 1284.675109953 s in the future tar: ./vm/hugepage-mmap: time stamp 2022-07-04 06:48:23 is 2337.670872685 s in the future tar: ./vm/va_128TBswitch: time stamp 2022-07-04 06:48:24 is 2338.66653493 s in the future tar: ./vm/virtual_address_range: time stamp 2022-07-04 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2303.281090577 s in the future tar: ./capabilities/test_execve: time stamp 2022-07-04 06:47:58 is 2303.272695108 s in the future tar: ./capabilities: time stamp 2022-07-04 06:48:30 is 2335.27081211 s in the future tar: ./ipc/msgque: time stamp 2022-07-04 06:48:02 is 2307.263898001 s in the future tar: ./ipc: time stamp 2022-07-04 06:48:31 is 2336.2624342 s in the future tar: ./static_keys/test_static_keys.sh: time stamp 2022-07-04 06:30:50 is 1275.257296372 s in the future tar: ./static_keys: time stamp 2022-07-04 06:48:33 is 2338.255359324 s in the future tar: ./run_kselftest.sh: time stamp 2022-07-04 06:48:26 is 2330.86789134 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_LEADING.sh: time stamp 2022-07-04 06:48:09 is 2313.859115576 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-07-04 06:48:09 is 2313.854675762 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-07-04 06:48:09 is 2313.85073511 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time 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./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-07-04 06:48:09 is 2313.580365397 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-07-04 06:48:09 is 2313.575738192 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-07-04 06:48:09 is 2313.571254103 s in the future tar: ./lkdtm/ATOMIC_TIMING.sh: time stamp 2022-07-04 06:48:09 is 2313.566074791 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-07-04 06:48:09 is 2313.561939798 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-07-04 06:48:09 is 2313.557834742 s in the future tar: ./lkdtm/PANIC.sh: time stamp 2022-07-04 06:48:09 is 2313.169646274 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_TO.sh: time stamp 2022-07-04 06:48:09 is 2313.163793384 s in the future tar: ./lkdtm: time stamp 2022-07-04 06:48:32 is 2336.161012426 s in the future tar: ./fpu/run_test_fpu.sh: time stamp 2022-07-04 06:30:50 is 1274.152158984 s in the future tar: ./fpu/test_fpu: time stamp 2022-07-04 06:48:00 is 2304.144486168 s in the future tar: ./fpu: time stamp 2022-07-04 06:48:31 is 2335.142139661 s in the future tar: ./memory-hotplug/mem-on-off-test.sh: time stamp 2022-07-04 06:30:50 is 1274.132749236 s in the future tar: ./memory-hotplug: time stamp 2022-07-04 06:48:32 is 2336.130437373 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-07-04 06:47:58 is 2302.11947912 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-07-04 06:47:58 is 2302.111803373 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-07-04 06:47:58 is 2302.105351944 s in the future tar: ./clone3/clone3: time stamp 2022-07-04 06:47:58 is 2302.098234233 s in the future tar: ./clone3: time stamp 2022-07-04 06:48:30 is 2334.095361691 s in the future tar: ./tpm2/tpm2_tests.py: time stamp 2022-07-04 06:30:50 is 1274.085951965 s in the future tar: ./tpm2/test_space.sh: time stamp 2022-07-04 06:30:50 is 1274.081962678 s in the future tar: ./tpm2/test_smoke.sh: time stamp 2022-07-04 06:30:50 is 1274.07767352 s in the future tar: ./tpm2/tpm2.py: time stamp 2022-07-04 06:30:50 is 1274.070230648 s in the future tar: ./tpm2: time stamp 2022-07-04 06:48:34 is 2338.068021482 s in the future tar: ./user/test_user_copy.sh: time stamp 2022-07-04 06:30:50 is 1274.061205504 s in the future tar: ./user: time stamp 2022-07-04 06:48:34 is 2338.058512184 s in the future tar: .: time stamp 2022-07-04 06:48:35 is 2339.05636485 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 48.404297] 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 [ 48.664582] lkdtm: Performing direct entry BUG [ 48.669755] ------------[ cut here ]------------ [ 48.674956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.680831] invalid opcode: 0000 [#1] SMP PTI [ 48.685702] CPU: 2 PID: 722 Comm: cat Not tainted 5.10.126-cip11 #1 [ 48.692707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.699516] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.703898] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 48.724883] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 48.730717] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.738701] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 48.746671] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 48.754660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.762652] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 48.770623] FS: 00007f0024b98580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 48.779685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.786093] CR2: 00007f00249b1000 CR3: 0000000105d60004 CR4: 00000000003706e0 [ 48.794062] Call Trace: [ 48.796789] direct_entry.cold+0x2c/0x38 [ 48.801167] full_proxy_write+0x56/0x80 [ 48.805448] vfs_write+0xea/0x390 [ 48.809145] ksys_write+0x68/0xe0 [ 48.812844] do_syscall_64+0x33/0x40 [ 48.816833] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.822474] RIP: 0033:0x7f0024ac0f33 [ 48.826462] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.847445] RSP: 002b:00007ffe2e520078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.855900] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0024ac0f33 [ 48.863869] RDX: 0000000000000004 RSI: 00007f00249b1000 RDI: 0000000000000001 [ 48.871840] RBP: 00007f00249b1000 R08: 00007f00249b0010 R09: 0000000000000000 [ 48.879802] R10: 00007f0024bbb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.887764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.895728] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.922181] ---[ end trace 2d5dd325346e61b3 ]--- [ 48.927347] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.931725] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 48.952717] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 48.958561] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.966540] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 48.974517] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 48.982491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.990465] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 48.998445] FS: 00007f0024b98580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 49.007493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.013920] CR2: 00007f00249b1000 CR3: 0000000105d60004 CR4: 00000000003706e0 # Segmentation fault # [ 48.664582] lkdtm: Performing direct entry BUG # [ 48.669755] ------------[ cut here ]------------ # [ 48.674956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.680831] invalid opcode: 0000 [#1] SMP PTI # [ 48.685702] CPU: 2 PID: 722 Comm: cat Not tainted 5.10.126-cip11 #1 # [ 48.692707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.699516] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.703898] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 48.724883[ 49.094369] lkdtm: Performing direct entry WARNING [ 49.104730] ------------[ cut here ]------------ [ 49.109893] WARNING: CPU: 3 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 [ 49.119229] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 48.730717] [ 49.145686] CPU: 3 PID: 758 Comm: cat Tainted: G D 5.10.126-cip11 #1 [ 49.160452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.167258] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 49.172025] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 49.193007] RSP: 0018:ffffa16541557e60 EFLAGS: 00010202 [ 49.198843] RAX: ffffffffb06b1f80 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.206813] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb12d9a80 [ 49.214775] RBP: ffffffffb16bfb5f R08: 0000000000000000 R09: 0000000000000000 [ 49.222736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 49.230708] R13: ffffa16541557f10 R14: ffffa16541557f10 R15: ffff9c9743347000 [ 49.238691] FS: 00007f3e45a46580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 000000000000000[ 49.247764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.260403] CR2: 00007f3e4585f000 CR3: 0000000105cba004 CR4: 00000000003706e0 [ 49.268406] Call Trace: [ 49.271139] direct_entry.cold+0x2c/0x38 [ 49.275554] full_proxy_write+0x56/0x80 0 # [ 48.738701] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 [ 49.279865] vfs_write+0xea/0x390 [ 49.289774] ksys_write+0x68/0xe0 [ 49.293507] do_syscall_64+0x33/0x40 [ 49.297528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.303193] RIP: 0033:0x7f3e4596ef33 RDI: ffffffffb12d9a70 # [ 48.746671] RBP: ffffffffb171af30 R0[ 49.307199] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.334387] RSP: 002b:00007fffc5cceea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.342845] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3e4596ef33 [ 49.350817] RDX: 0000000000000008 RSI: 00007f3e4585f000 RDI: 0000000000000001 [ 49.358788] RBP: 00007f3e4585f000 R08: 00007f3e4585e010 R09: 0000000000000000 [ 49.366759] R10: 00007f3e45a691c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.374730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.382723] irq event stamp: 0 [ 49.386160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.393162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.402299] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.411438] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.418437] ---[ end trace 2d5dd325346e61b4 ]--- 8: 0000000000000001 R09: 0000000000000001 # [ 48.754660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.762652] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 48.770623] FS: 00007f0024b98580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 48.779685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.786093] CR2: 00007f00249b1000 CR3: 0000000105d60004 CR4: 00000000003706e0 # [ 48.794062] Call Trace: # [ 48.796789] direct_entry.cold+0x2c/0x38 # [ 48.801167] full_proxy_write+0x56/0x80 # [ 48.805448] vfs_write+0xea/0x390 # [ 48.809145] ksys_write+0x68/0xe0 # [ 48.812844] do_syscall_64+0x33/0x40 # [ 48.816833] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.822474] RIP: 0033:0x7f0024ac0f33 # [ 48.826462] Code: 8b[ 49.499702] lkdtm: Performing direct entry WARNING_MESSAGE [ 49.510555] ------------[ cut here ]------------ [ 49.515712] Warning message trigger count: 2 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 49.520498] WARNING: CPU: 3 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 49.536901] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.569542] CPU: 3 PID: 793 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 49.578124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.584958] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 49.590613] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 c0 00 6c b1 8d 70 01 89 35 71 15 70 02 e8 9c a4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 49.617798] RSP: 0018:ffffa165415dfe60 EFLAGS: 00010286 [ 49.623650] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.847445] RSP: 002b:00007ffe2e520078 EFLAGS: 00000246 OR[ 49.631630] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 49.645809] RBP: ffffffffb16bfb67 R08: 0000000000000000 R09: 0000000000000000 [ 49.653779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.661749] R13: ffffa165415dff10 R14: ffffa165415dff10 R15: ffff9c97434ea000 [ 49.669721] FS: 00007f449fb7e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 49.678761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.685178] CR2: 00007f449f997000 CR3: 0000000102984002 CR4: 00000000003706e0 [ 49.693150] Call Trace: [ 49.695881] direct_entry.cold+0x2c/0x38 [ 49.700264] full_proxy_write+0x56/0x80 [ 49.704578] vfs_write+0xea/0x390 [ 49.708281] ksys_write+0x68/0xe0 [ 49.711982] do_syscall_64+0x33/0x40 [ 49.715976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.721657] RIP: 0033:0x7f449faa6f33 [ 49.725660] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 IG_RAX: 0000000000000001 # [ 48.855900] RAX: ffffffffffffffda[ 49.746649] RSP: 002b:00007fff0116edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.761316] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f449faa6f33 [ 49.769288] RDX: 0000000000000010 RSI: 00007f449f997000 RDI: 0000000000000001 [ 49.777259] RBP: 00007f449f997000 R08: 00007f449f996010 R09: 0000000000000000 [ 49.785231] R10: 00007f449fba11c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.793203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RBX: 0000000000000004 RCX: 00007f0024ac0f33 # [ 48.863869] R[ 49.801178] irq event stamp: 0 [ 49.810799] hardirqs last enabled at (0): [<0000000000000000>] 0x0 DX: 0000000000000004 RSI: 00007f00249b1000 RDI: 0000000000000001[ 49.817803] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.833148] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.842285] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.849287] ---[ end trace 2d5dd325346e61b5 ]--- # [ 48.871840] RBP: 00007f00249b1000 R08: 00007f00249b0010 R09: 0000000000000000 # [ 48.879802] R10: 00007f0024bbb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.887764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.895728] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.922181] ---[ end trace 2d5dd325346e61b3 ]--- # [ 48.927347] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.931725] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 49.925095] lkdtm: Performing direct entry EXCEPTION f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 49.934650] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.948610] #PF: supervisor write access in kernel mode [ 49.954443] #PF: error_code(0x0002) - not-present page [ 49.960179] PGD 0 P4D 0 [ 49.963004] Oops: 0002 [#2] SMP PTI [ 49.966896] CPU: 1 PID: 825 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 49.975447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.982253] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 05 a0 15 70 02 # [ 48.952717] RSP: 0018:ffffa165414d7e60 EFLA[ 49.987213] Code: 48 c7 c7 c0 00 6c b1 8d 70 01 89 35 71 15 70 02 e8 9c a4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 50.014404] RSP: 0018:ffffa16541527e60 EFLAGS: 00010282 [ 50.020238] RAX: ffffffffb06b1fd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.028204] RDX: 0000000000000000 RSI: ffff9c97bac9bf70 RDI: ffffffffb12d9aa0 [ 50.036171] RBP: ffffffffb15f576f R08: 0000000000000000 R09: 0000000000000000 [ 50.044139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.052109] R13: ffffa16541527f10 R14: ffffa16541527f10 R15: ffff9c97433a3000 [ 50.060075] FS: 00007f3951e80580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 [ 50.069110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.075526] CR2: 0000000000000000 CR3: 0000000105686002 CR4: 00000000003706e0 [ 50.083492] Call Trace: [ 50.086220] direct_entry.cold+0x2c/0x38 GS: 00010282 # [ 48.958561] RAX: ffffffffb06b1f70 RBX: 000000[ 50.090599] full_proxy_write+0x56/0x80 [ 50.101088] vfs_write+0xea/0x390 [ 50.104787] ksys_write+0x68/0xe0 [ 50.108475] do_syscall_64+0x33/0x40 [ 50.112463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.118094] RIP: 0033:0x7f3951da8f33 [ 50.122082] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.143051] RSP: 002b:00007fffdf70af48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.151503] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3951da8f33 [ 50.159472] RDX: 000000000000000a RSI: 00007f3951c99000 RDI: 0000000000000001 [ 50.167438] RBP: 00007f3951c99000 R08: 00007f3951c98010 R09: 0000000000000000 [ 50.175405] R10: 00007f3951ea31c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.183374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000001 RCX: 0000000000000000 # [ 48.966540] RDX: 00000000[ 50.191346] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.223979] CR2: 0000000000000000 [ 50.227692] ---[ end trace 2d5dd325346e61b6 ]--- [ 50.232848] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.237224] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 50.258203] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 50.264027] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.271986] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 50.279955] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 50.287921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.295888] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 50.303854] FS: 00007f3951e80580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 [ 50.312890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.319305] CR2: 0000000000000000 CR3: 0000000105686002 CR4: 00000000003706e0 [ 50.327273] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.337183] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat [ 50.345531] INFO: lockdep is turned off. [ 50.349905] irq event stamp: 0 [ 50.353309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.360310] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.369444] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.378578] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.385574] CPU: 1 PID: 825 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 50.394125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.400925] Call Trace: [ 50.403657] dump_stack+0x77/0x97 00000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 48.9[ 50.407357] ___might_sleep.cold+0xa6/0xb6 [ 50.418139] exit_signals+0x1c/0x2d0 [ 50.422126] do_exit+0xd5/0xb00 [ 50.425621] ? ksys_write+0x68/0xe0 [ 50.429503] rewind_stack_do_exit+0x17/0x20 [ 50.434162] RIP: 0033:0x7f3951da8f33 [ 50.438149] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.459128] RSP: 002b:00007fffdf70af48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.467582] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3951da8f33 [ 50.475551] RDX: 000000000000000a RSI: 00007f3951c99000 RDI: 0000000000000001 [ 50.483517] RBP: 00007f3951c99000 R08: 00007f3951c98010 R09: 0000000000000000 [ 50.491485] R10: 00007f3951ea31c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.499454] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 74517] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 48.982491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.990465] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 48.998445] FS: 00007f0024b98580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 49.007493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.013920] CR2: 00007f00249b1000 CR3: 0000000105d60004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 49.094369] lkdtm: Performing direct entry WARNING # [ 49.104730] ------------[ cut here ]------------ # [ 49.109893] WARNING: CPU: 3 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 49.119229] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.145686] CPU: 3 PID: 758 Comm: cat Tainted: G D 5.10.126-cip11 #1 # [ 49.160452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.167258] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 49.172025] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 49.193007] RSP: 0018:ffffa16541557e60 EFLAGS: 00010202 # [ 49.198843] RAX: ffffffffb06b1f80 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49.206813] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb12d9a80 # [ 49.214775] RBP: ffffffffb16bfb5f R08: 0000000000000000 R09: 0000000000000000 # [ 49.222736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.230708] R13: ffffa16541557f10 R14: ffffa16541557f10 R15: ffff9c9743347000 # [ 49.238691] FS: 00007f3e45a46580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 49.247764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.260403] CR2: 00007f3e4585f000 CR3: 0000000105cba004 CR4: 00000000003706e0 # [ 49.268406] Call Trace: # [ 49.271139] direct_entry.cold+0x2c/0x38 # [ 49.275554] full_proxy_write+0x56/0x80 # [ 49.279865] vfs_write+0xea/0x390 # [ 49.289774] ksys_write+0x68/0xe0 # [ 49.293507] do_syscall_64+0x33/0x40 # [ 49.297528] entr[ 50.746073] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.756329] lkdtm: attempting good list addition [ 50.761491] lkdtm: attempting corrupted list addition y_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.303193] RIP: 0033[ 50.767137] lkdtm: list_add() corruption not detected! :0x7f3e4596ef33 # [ 49.307199] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.334387] RSP: 002b:00007fffc5cceea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.342845] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f3e4596ef33 # [ 49.350817] RDX: 0000000000000008 RSI: 00007f3e4585f000 RDI: 0000000000000001 # [ 49.358788] RBP: 00007f3e4585f000 R08: 00007f3e4585e010 R09: 0000000000000000 # [ 49.366759] R10: 00007f3e45a691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.374730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.382723] irq event stamp: 0 # [ 49.386160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.393162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.402299] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.411438] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.418437] ---[ end trace 2d5dd325346e61b4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.499702] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.510555] ------------[ cut here ]------------ # [ 49.515712] Warning message trigger count: 2 # [ 49.520498] WARNING: CPU: 3 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WAR[ 50.923654] lkdtm: Performing direct entry CORRUPT_LIST_DEL NING_MESSAGE+0x20/0x30 # [ 49.536901] Modules linked in: fuse[ 50.934700] lkdtm: attempting good list removal ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 50.945965] lkdtm: attempting corrupted list removal [ 50.957709] lkdtm: list_del() corruption not detected! ggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.569542] CPU: 3 PID: 793 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 49.578124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.584958] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.590613] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 c0 00 6c b1 8d 70 01 89 35 71 15 70 02 e8 9c a4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 49.617798] RSP: 0018:ffffa165415dfe60 EFLAGS: 00010286 # [ 49.623650] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.631630] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97ba[ 51.042511] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 51.051289] lkdtm: attempting bad read from page below current stack [ 51.058407] BUG: stack guard page was hit at 00000000654aeffa (stack is 00000000c310c26d..00000000a9eb54e8) [ 51.069299] kernel stack overflow (page fault): 0000 [#3] SMP PTI d9bf70 # [ 49.645809] RBP: ffffffffb16bfb67 R08: 000000000000[ 51.076103] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 51.090963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.097768] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.104280] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 60 04 6c b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 a0 04 6c b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 51.125259] RSP: 0018:ffffa1654196fe50 EFLAGS: 00010246 [ 51.131091] RAX: 0000000000000038 RBX: ffffa1654196c000 RCX: 0000000000000000 [ 51.139058] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb16c04a0 [ 51.147024] RBP: ffffffffb16bfbca R08: 0000000000000000 R09: 0000000000000000 [ 51.154991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.162960] R13: ffffa1654196ff10 R14: ffffa1654196ff10 R15: ffff9c9743378000 [ 51.170927] FS: 00007f0d8b00e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 51.179964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.186377] CR2: ffffa1654196bfff CR3: 0000000105470002 CR4: 00000000003706e0 [ 51.194343] Call Trace: [ 51.197069] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 51.202125] direct_entry.cold+0x2c/0x38 [ 51.206501] full_proxy_write+0x56/0x80 [ 51.210772] vfs_write+0xea/0x390 [ 51.214458] ksys_write+0x68/0xe0 [ 51.218156] do_syscall_64+0x33/0x40 [ 51.222144] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.227772] RIP: 0033:0x7f0d8af36f33 [ 51.231759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.252737] RSP: 002b:00007fffa5b9a1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.261183] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0d8af36f33 [ 51.269151] RDX: 0000000000000019 RSI: 00007f0d8ae27000 RDI: 0000000000000001 [ 51.277118] RBP: 00007f0d8ae27000 R08: 00007f0d8ae26010 R09: 0000000000000000 [ 51.285084] R10: 00007f0d8b0311c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.293051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.301021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 R09: 0000000000000000 # [ 49.653779] R10: 00000000ffffe0[ 51.327473] ---[ end trace 2d5dd325346e61b7 ]--- [ 51.338836] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.343210] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 51.364186] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 51.370017] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.377984] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 51.385952] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 51.393920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.401889] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 51.409855] FS: 00007f0d8b00e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 51.418889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.425302] CR2: ffffa1654196bfff CR3: 0000000105470002 CR4: 00000000003706e0 00 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.661749] R13: ffffa165415dff10 R14: ffffa165415dff10 R15: ffff9c97434ea000 # [ 49.669721] FS: 00007f449fb7e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 49.678761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.685178] CR2: 00007f449f997000 CR3: 0000000102984002 CR4: 00000000003706e0 # [ 49.693150] Call Trace: # [ 49.695881] direct_entry.cold+0x2c/0x38 # [ 49.700264] full_proxy_write+0x56/0x80 # [ 49.704578] vfs_write+0xea/0x390 # [ 49.708281] ksys_write+0x68/0xe0 # [ 49.711982] do_syscall_64+0x33/0x40 # [ 49.715976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.721657] RIP: 0033:0x7f449faa6f33 # [ 49.725660] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.746649] RSP: 002b:00007fff0116edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.761316] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f449faa6f33 # [ 49.769288] RDX: 00000000000[ 51.542182] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 00010 RSI: 00007f449f997000 RDI: 0000000000000001 # [ 49.7772[ 51.552326] lkdtm: attempting bad read from page above current stack 59] RBP: 00007f449f997000 R08: 00007f449f996010 R09: 00000000000[ 51.565657] BUG: stack guard page was hit at 000000002e59973d (stack is 0000000013fe4c1f..0000000055668a74) [ 51.582712] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.589515] CPU: 0 PID: 1083 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 51.598155] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.604959] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.611573] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 04 6c b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 18 05 6c b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 51.632550] RSP: 0018:ffffa16541a07e50 EFLAGS: 00010246 [ 51.638384] RAX: 0000000000000038 RBX: ffffa16541a04000 RCX: 0000000000000000 [ 51.646352] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffffffffb16c0518 [ 51.654318] RBP: ffffffffb16bfbe3 R08: 0000000000000000 R09: 0000000000000000 [ 51.662285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.670255] R13: ffffa16541a07f10 R14: ffffa16541a07f10 R15: ffff9c97435d3000 [ 51.678223] FS: 00007fea7b831580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 51.687256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.693670] CR2: ffffa16541a08000 CR3: 00000001032f8003 CR4: 00000000003706f0 [ 51.701638] Call Trace: [ 51.704364] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.710198] direct_entry.cold+0x2c/0x38 [ 51.714577] full_proxy_write+0x56/0x80 [ 51.718863] vfs_write+0xea/0x390 [ 51.722559] ksys_write+0x68/0xe0 [ 51.726254] do_syscall_64+0x33/0x40 [ 51.730243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.735881] RIP: 0033:0x7fea7b759f33 [ 51.739868] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.760838] RSP: 002b:00007ffd4c092de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.769294] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fea7b759f33 [ 51.777261] RDX: 000000000000001a RSI: 00007fea7b64a000 RDI: 0000000000000001 [ 51.785229] RBP: 00007fea7b64a000 R08: 00007fea7b649010 R09: 0000000000000000 [ 51.793198] R10: 00007fea7b8541c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.801166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.809135] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.835571] ---[ end trace 2d5dd325346e61b8 ]--- [ 51.840726] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.845104] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 51.866087] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 51.871918] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.879885] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 51.887854] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 51.895821] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.903790] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 51.911759] FS: 00007fea7b831580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 51.920795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.927209] CR2: ffffa16541a08000 CR3: 00000001032f8003 CR4: 00000000003706f0 [ 51.935179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.945081] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1083, name: cat [ 51.953535] INFO: lockdep is turned off. [ 51.957911] irq event stamp: 0 [ 51.961315] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.968316] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.977450] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.986574] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.993573] CPU: 0 PID: 1083 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 52.002220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.009022] Call Trace: [ 52.011750] dump_stack+0x77/0x97 [ 52.015453] ___might_sleep.cold+0xa6/0xb6 [ 52.020024] exit_signals+0x1c/0x2d0 [ 52.024011] do_exit+0xd5/0xb00 [ 52.027513] ? ksys_write+0x68/0xe0 [ 52.031395] rewind_stack_do_exit+0x17/0x20 [ 52.036054] RIP: 0033:0x7fea7b759f33 [ 52.040032] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.061010] RSP: 002b:00007ffd4c092de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.069463] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fea7b759f33 [ 52.077429] RDX: 000000000000001a RSI: 00007fea7b64a000 RDI: 0000000000000001 [ 52.085396] RBP: 00007fea7b64a000 R08: 00007fea7b649010 R09: 0000000000000000 [ 52.093362] R10: 00007fea7b8541c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.101328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000 # [ 49.785231] R10: 00007f449fba11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.793203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.801178] irq event stamp: 0 # [ 49.810799] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.817803] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.833148] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.842285] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.849287] ---[ end trace 2d5dd325346e61b5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.925095] lkdtm: Performing direct entry EXCEPTION # [ 49.934650] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.948610[ 52.192901] lkdtm: Performing direct entry UNSET_SMEP [ 52.201967] lkdtm: trying to clear SMEP normally [ 52.207132] ------------[ cut here ]------------ [ 52.212296] pinned CR4 bits changed: 0x100000!? [ 52.217359] WARNING: CPU: 2 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 [ 52.227568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] #PF: supervisor write access in kernel mode # [ 49.954443] [ 52.254027] CPU: 2 PID: 1119 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 52.268884] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.275702] RIP: 0010:native_write_cr4+0x41/0x60 [ 52.280857] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 d0 f6 5f b1 c6 05 fa d7 c3 01 01 e8 8b c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 52.301840] RSP: 0018:ffffa16541a8fe48 EFLAGS: 00010286 [ 52.307676] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.315658] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 #PF: error_code(0x0002) - not-present page # [ 49.960179] PGD[ 52.323632] RBP: ffffffffb16bfbfd R08: 0000000000000000 R09: 0000000000000000 [ 52.337809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.345777] R13: ffffa16541a8ff10 R14: ffffa16541a8ff10 R15: ffff9c9745c55000 [ 52.353739] FS: 00007f32f0422580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 52.362776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.369193] CR2: 00007f32f023b000 CR3: 00000001034e4003 CR4: 00000000003706e0 0 P4D 0 # [ 49.963004] Oops: 0002 [#2] SMP PTI # [ 49.96[ 52.377170] Call Trace: 6896] CPU: 1 PID: 825 Comm: cat Tainted: G D W 5.10[ 52.386113] lkdtm_UNSET_SMEP.cold+0x1d/0x103 .126-cip11 #1 # [ 49.975447] Hardware name: Google Rammus/Ram[ 52.397193] direct_entry.cold+0x2c/0x38 mus, BIOS 09/04/2020 # [ 49.982253] RIP: 0010:lkdtm_EXCEPTIO[ 52.407786] full_proxy_write+0x56/0x80 [ 52.418281] vfs_write+0xea/0x390 N+0x5/0x20 # [ 49.987213] Code: 48 c7 c7 c0 00 6c b1 8d 70 01[ 52.421981] ksys_write+0x68/0xe0 [ 52.431894] do_syscall_64+0x33/0x40 [ 52.435892] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.441532] RIP: 0033:0x7f32f034af33 [ 52.445524] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.466505] RSP: 002b:00007fff82474a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.474961] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f32f034af33 [ 52.482931] RDX: 000000000000000b RSI: 00007f32f023b000 RDI: 0000000000000001 [ 52.490902] RBP: 00007f32f023b000 R08: 00007f32f023a010 R09: 0000000000000000 [ 52.498870] R10: 00007f32f04451c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.506831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.514796] irq event stamp: 0 [ 52.518227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.525229] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.534366] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.543500] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.550489] ---[ end trace 2d5dd325346e61b9 ]--- [ 52.555656] lkdtm: ok: SMEP did not get cleared [ 52.560716] lkdtm: trying to clear SMEP with call gadget [ 52.566658] lkdtm: ok: SMEP removal was reverted 89 35 71 15 70 02 e8 9c a4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 50.014404] RSP: 0018:ffffa16541527e60 EFLAGS: 00010282 # [ 50.020238] RAX: ffffffffb06b1fd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.028204] RDX: 0000000000000000 RSI: ffff9c97bac9bf70 RDI: ffffffffb12d9aa0 # [ 50.036171] RBP: ffffffffb15f576f R08: 0000000000000000 R09: 0000000000000000 # [ 50.044139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.052109] R13: ffffa16541527f10 R14: ffffa16541527f10 R15: ffff9c97433a3000 # [ 50.060075] FS: 00007f3951e80580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 50.069110] CS: 001[ 52.645151] lkdtm: Performing direct entry DOUBLE_FAULT 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.075526] CR2:[ 52.652247] lkdtm: XFAIL: this test is ia32-only 0000000000000000 CR3: 0000000105686002 CR4: 00000000003706e0 # [ 50.083492] Call Trace: # [ 50.086220] direct_entry.cold+0x2c/0x38 # [ 50.090599] full_proxy_write+0x56/0x80 # [ 50.101088] vfs_write+0xea/0x390 # [ 50.104787] ksys_write+0x68/0xe0 # [ 50.108475] do_syscall_64+0x33/0x40 # [ 50.112463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.118094] RIP: 0033:0x7f3951da8f33 # [ 50.122082] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.143051] RSP: 002b:00007fffdf70af48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.151503] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3951da8f33 # [ 50.159472] RDX: 000000000000000a RSI: 00007f3951c99000 RDI: 0000000000000001 # [ 50.167438] RBP: 00007f3951c99000 R08: 00007f3951c98010 R09: 0000000000000000 # [ 50.175405] R10: 00007f3951ea31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.183374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.191346] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_se[ 52.775518] lkdtm: Performing direct entry CORRUPT_PAC [ 52.787441] lkdtm: XFAIL: this test is arm64-only nsors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.223979] CR2: 0000000000000000 # [ 50.227692] ---[ end trace 2d5dd325346e61b6 ]--- # [ 50.232848] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.237224] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 50.258203] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 50.264027] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.271986] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 50.279955] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 50.287921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.295888] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 50.303854] FS: 00007f3951e80580(0000) GS:f[ 52.892574] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 52.905713] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS fff9c97bac80000(0000) knlGS:0000000000000000 # [ 50.312890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.319305] CR2: 0000000000000000 CR3: 0000000105686002 CR4: 00000000003706e0 # [ 50.327273] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.337183] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat # [ 50.345531] INFO: lockdep is turned off. # [ 50.349905] irq event stamp: 0 # [ 50.353309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.360310] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.369444] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.378578] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.385574] CPU: 1 PID: 825 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 50.394125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.400925] Call Trace: # [ 50.403657] dump_stack+0x77/0x97 # [ 50.407357] ___might_sleep.cold+0xa6/0xb6 # [ 50.418139] exit_signals+0x1c/0x2d0 # [ 50.422126] do_exit+0xd5/0xb00 # [ 50.425621] ? ksys_write+0x68/0xe0 # [ 50.429503] rewind_stack_do_exit+0x17/0x20 # [ 50.434162] RIP: 0033:0x7f3951da8f33 # [ 50.438149] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.459128] RSP: 002b:00007fffdf70af48 EFLAGS: 00000246 ORIG_RAX: [ 53.067999] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.074887] lkdtm: Value in memory before free: 12345678 [ 53.080829] lkdtm: Attempting bad read from freed memory 0000000000000001 # [ 50.467582] RAX: ffffffffffffffda RBX: 00[ 53.086769] lkdtm: Memory was not poisoned 0000000000000a RCX: 00007f3951da8f33 # [ 50.475551] RDX: 000000000000000a RSI: 00007f3951c99000 RDI: 0000000000000001 # [ 50.483517] RBP: 00007f3951c99000 R08: 00007f3951c98010 R09: 0000000000000000 # [ 50.491485] R10: 00007f3951ea31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.499454] 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 # [ 50.746073] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.756329] lkdtm: attempting good list addition # [ 50.761491] lkdtm: attempting corrupted list addition # [ 50.767137] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.923654] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.934700] lkdtm: attempting good list removal # [ 50.945965] lkdtm: attempting c[ 53.248752] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE orrupted list removal # [ 50.957709] lkdtm: list_del() corrup[ 53.259763] lkdtm: Value in memory before free: 12345678 tion not detected! # CORRUPT_LIST_DEL: missing 'list_del corrup[ 53.271913] lkdtm: Attempting to read from freed memory tion': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh #[ 53.283988] lkdtm: Buddy page was not poisoned exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 51.042511] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.051289] lkdtm: attempting bad read from page below current stack # [ 51.058407] BUG: stack guard page was hit at 00000000654aeffa (stack is 00000000c310c26d..00000000a9eb54e8) # [ 51.069299] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.076103] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 51.090963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.097768] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.104280] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 60 04 6c b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 a0 04 6c b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 51.125259] RSP: 0018:ffffa1654196fe50 EFLAGS: 00010246 # [ 51.131091] RAX: 00000000000[ 53.384010] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 53.394614] lkdtm: Attempting double slab free ... 00038 RBX: ffffa1654196c000 RCX: 0000000000000000 # [ 51.139058] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb16c04a0 # [ 51.147024] RBP: ffffffffb16bfbca R08: 0000000000000000 R09: 0000000000000000 # [ 51.154991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.162960] R13: ffffa1654196ff10 R14: ffffa1654196ff10 R15: ffff9c9743378000 # [ 51.170927] FS: 00007f0d8b00e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 51.179964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.186377] CR2: ffffa1654196bfff CR3: 0000000105470002 CR4: 00000000003706e0 # [ 51.194343] Call Trace: # [ 51.197069] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 51.202125] direct_entry.cold+0x2c/0x38 # [ 51.206501] full_proxy_write+0x56/0x80 # [ 51.210772] vfs_write+0xea/0x390 # [ 51.214458] ksys_write+0x68/0xe0 # [ 51.218156] do_syscall_64+0x33/0x40 # [ 51.222144] entry_SY[ 53.492751] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.499380] lkdtm: Attempting cross-cache slab free ... SCALL_64_after_hwframe+0x44/0xa9 # [ 51.227772] RIP: 0033:0x7f0d8af36f33 # [ 51.231759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.252737] RSP: 002b:00007fffa5b9a1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.261183] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0d8af36f33 # [ 51.269151] RDX: 0000000000000019 RSI: 00007f0d8ae27000 RDI: 0000000000000001 # [ 51.277118] RBP: 00007f0d8ae27000 R08: 00007f0d8ae26010 R09: 0000000000000000 # [ 51.285084] R10: 00007f0d8b0311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.293051] R13: 0000000000000001 R14: 0000[ 53.577869] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.585876] lkdtm: Attempting non-Slab slab free ... 000000020000 R15: 0000000000020000 # [ 51.301021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.327473] ---[ end trace 2d5dd325346e61b7 ]--- # [ 51.338836] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.343210] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 51.364186] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 51.370017] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.377984] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 51.385952] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 51.393920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.401889] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 51.409855] FS: 00007f0d8b00e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 51.418889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.425302] CR2: ffffa1654196bfff CR3: 0000000105470002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.542182] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.552326] lkdtm: attempting bad read from page above current stack # [ 51.565657] BUG: stack guard page was hit at 000000002e59973d (stack is 0000000013fe4c1f..0000000055668a74) # [ 51.582712] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.589515] CPU: 0 PID: 1083 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 51.598155] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.604959] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.611573] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 04 6c b1 5[ 53.801492] lkdtm: Performing direct entry EXEC_DATA [ 53.808339] lkdtm: attempting ok execution at ffffffffb06b2340 [ 53.814865] lkdtm: attempting bad execution at ffffffffb2db3560 0 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7[ 53.821489] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.836056] BUG: unable to handle page fault for address: ffffffffb2db3560 [ 53.843733] #PF: supervisor instruction fetch in kernel mode [ 53.850049] #PF: error_code(0x0011) - permissions violation [ 53.856268] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 80000001626000e3 [ 53.864044] Oops: 0011 [#5] SMP PTI [ 53.867933] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 53.876581] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.883387] RIP: 0010:data_area+0x0/0x40 [ 53.887762] Code: ff ff 00 e7 26 44 97 9c ff ff 00 e6 26 44 97 9c 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.908740] RSP: 0018:ffffa1654227fe48 EFLAGS: 00010246 [ 53.914573] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.922540] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 53.930506] RBP: ffffffffb2db3560 R08: 0000000000000000 R09: 0000000000000000 [ 53.938473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.946439] R13: ffffa1654227ff10 R14: ffffa1654227ff10 R15: ffff9c974359f000 [ 53.954406] FS: 00007fd2230dd580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 53.963443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.969858] CR2: ffffffffb2db3560 CR3: 0000000103384006 CR4: 00000000003706e0 [ 53.977827] Call Trace: [ 53.980553] ? execute_location+0x48/0x56 [ 53.985027] ? direct_entry.cold+0x2c/0x38 [ 53.989599] ? full_proxy_write+0x56/0x80 [ 53.994073] ? vfs_write+0xea/0x390 [ 53.997954] ? ksys_write+0x68/0xe0 [ 54.001845] ? do_syscall_64+0x33/0x40 [ 54.006016] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.011850] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 18 05 6c b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5[ 54.038295] CR2: ffffffffb2db3560 [ 54.048203] ---[ end trace 2d5dd325346e61ba ]--- [ 54.053346] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.057722] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 54.078707] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 54.084540] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.092507] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 54.100474] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 54.108441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.116407] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 54.124374] FS: 00007fd2230dd580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 54.133411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.139824] CR2: ffffffffb2db3560 CR3: 0000000103384006 CR4: 00000000003706e0 [ 54.147793] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.157708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat [ 54.166160] INFO: lockdep is turned off. [ 54.170534] irq event stamp: 0 [ 54.173939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.180930] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.190075] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.199238] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.206234] CPU: 2 PID: 1626 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 54.214881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.221683] Call Trace: [ 54.224420] dump_stack+0x77/0x97 [ 54.228116] ___might_sleep.cold+0xa6/0xb6 [ 54.232700] exit_signals+0x1c/0x2d0 [ 54.236720] do_exit+0xd5/0xb00 [ 54.240213] ? ksys_write+0x68/0xe0 [ 54.244104] rewind_stack_do_exit+0x17/0x20 [ 54.248770] RIP: 0033:0x7fd223005f33 [ 54.252756] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.273736] RSP: 002b:00007ffe48ef31d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.282188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd223005f33 [ 54.290156] RDX: 000000000000000a RSI: 00007fd222ef6000 RDI: 0000000000000001 [ 54.298123] RBP: 00007fd222ef6000 R08: 00007fd222ef5010 R09: 0000000000000000 [ 54.306091] R10: 00007fd2231001c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.314057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b e9 da a3 fd ff # [ 51.632550] RSP: 0018:ffffa16541a07e50 EFLAGS: 00010246 # [ 51.638384] RAX: 0000000000000038 RBX: ffffa16541a04000 RCX: 0000000000000000 # [ 51.646352] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffffffffb16c0518 # [ 51.654318] RBP: ffffffffb16bfbe3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.662285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.670255] R13: ffffa16541a07f10 R14: ffffa16541a07f10 R15: ffff9c97435d3000 # [ 51.678223] FS: 00007fea7b831580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 51.687256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.693670] CR2: ffffa16541a08000 CR3: 00000001032f8003 CR4: 00000000003706f0 # [ 51.701638] Call Trace: # [ 51.704364] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a[ 54.401117] lkdtm: Performing direct entry EXEC_STACK [ 54.408511] lkdtm: attempting ok execution at ffffffffb06b2340 [ 54.415036] lkdtm: attempting bad execution at ffffa16542327e18 /0x3a # [ 51.710198] direct_entry.cold+0x2c/0x38 # [ 51.7[ 54.421661] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.436232] BUG: unable to handle page fault for address: ffffa16542327e18 [ 54.443908] #PF: supervisor instruction fetch in kernel mode [ 54.450226] #PF: error_code(0x0011) - permissions violation [ 54.456445] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104877067 PTE 8000000103439063 [ 54.465482] Oops: 0011 [#6] SMP PTI [ 54.469372] CPU: 2 PID: 1662 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 54.478012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.484814] RIP: 0010:0xffffa16542327e18 [ 54.489189] Code: 00 00 18 7e 32 42 65 a1 ff ff b3 7d cf b0 ff ff ff ff 20 00 00 00 00 00 00 00 26 fd 6b b1 ff ff ff ff df 7e cf b0 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.510169] RSP: 0018:ffffa16542327df8 EFLAGS: 00010246 [ 54.515992] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.523959] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 54.531924] RBP: ffffa16542327e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.539892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.547860] R13: ffffa16542327f10 R14: ffffa16542327f10 R15: ffff9c97434ba000 [ 54.555827] FS: 00007f1e82400580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 54.564863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.571277] CR2: ffffa16542327e18 CR3: 000000010337c005 CR4: 00000000003706e0 [ 54.579243] Call Trace: [ 54.581973] ? execute_location+0x48/0x56 [ 54.586444] ? lkdtm_EXEC_STACK+0x26/0x40 [ 54.590917] ? direct_entry.cold+0x2c/0x38 [ 54.595489] ? full_proxy_write+0x56/0x80 [ 54.599954] ? vfs_write+0xea/0x390 [ 54.603846] ? ksys_write+0x68/0xe0 [ 54.607736] ? do_syscall_64+0x33/0x40 [ 54.611920] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.617754] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 14577] full_proxy_write+0x56/0x80 # [ 51.718863] vfs_write+[ 54.644205] CR2: ffffa16542327e18 [ 54.654113] ---[ end trace 2d5dd325346e61bb ]--- [ 54.659266] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.663653] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 54.684653] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 54.690485] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.698446] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 54.706414] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 54.714382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.722350] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 54.730319] FS: 00007f1e82400580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 54.739347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.745761] CR2: ffffa16542327e18 CR3: 000000010337c005 CR4: 00000000003706e0 0xea/0x390 # [ 51.722559] ksys_write+0x68/0xe0 # [ 51.726254] do_syscall_64+0x33/0x40 # [ 51.730243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.735881] RIP: 0033:0x7fea7b759f33 # [ 51.739868] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.760838] RSP: 002b:00007ffd4c092de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.769294] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fea7b759f33 # [ 51.777261] RDX: 000000000000001a RSI: 00007fea7b64a000 RDI: 0000000000000001 # [ 51.785229] RBP: 00007fea7b64a000 R08: 00007fea7b649010 R09: 0000000000000000 # [ 51.793198] R10: 00007fea7b8541c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.801166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.809135] Modules linked in:[ 54.841767] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.852862] lkdtm: attempting ok execution at ffffffffb06b2340 [ 54.859402] lkdtm: attempting bad execution at ffff9c97432333c0 [ 54.866048] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.874416] BUG: unable to handle page fault for address: ffff9c97432333c0 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industriali[ 54.882094] #PF: supervisor instruction fetch in kernel mode [ 54.894626] #PF: error_code(0x0011) - permissions violation [ 54.900845] PGD 162801067 P4D 162801067 PUD 10084b063 PMD 1047d3063 PTE 8000000103233163 o_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_e[ 54.909887] Oops: 0011 [#7] SMP PTI [ 54.919990] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 54.928653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.935457] RIP: 0010:0xffff9c97432333c0 [ 54.939832] Code: 00 00 02 00 00 00 00 00 00 00 00 38 23 43 97 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 ef af ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.960810] RSP: 0018:ffffa165423b7e38 EFLAGS: 00010246 [ 54.966652] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.974610] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 54.982576] RBP: ffff9c97432333c0 R08: 0000000000000000 R09: 0000000000000000 [ 54.990544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.998512] R13: ffffa165423b7f10 R14: ffffa165423b7f10 R15: ffff9c97455be000 [ 55.006479] FS: 00007f7d06e95580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 55.015514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.021929] CR2: ffff9c97432333c0 CR3: 0000000103338005 CR4: 00000000003706e0 [ 55.029897] Call Trace: [ 55.032625] ? execute_location+0x48/0x56 [ 55.037123] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.041790] ? direct_entry.cold+0x2c/0x38 [ 55.046362] ? full_proxy_write+0x56/0x80 [ 55.050835] ? vfs_write+0xea/0x390 [ 55.054725] ? ksys_write+0x68/0xe0 [ 55.058615] ? do_syscall_64+0x33/0x40 [ 55.062797] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.068624] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_p[ 55.095078] CR2: ffff9c97432333c0 [ 55.104986] ---[ end trace 2d5dd325346e61bc ]--- [ 55.110137] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.114514] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 55.135485] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 55.141316] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.149285] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 55.157252] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 55.165218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.173185] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 55.181153] FS: 00007f7d06e95580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 55.190189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.196604] CR2: ffff9c97432333c0 CR3: 0000000103338005 CR4: 00000000003706e0 [ 55.204572] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.214481] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat [ 55.222934] INFO: lockdep is turned off. [ 55.227308] irq event stamp: 0 [ 55.230713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.237704] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.246838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.255970] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.262967] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.271612] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.278415] Call Trace: [ 55.281142] dump_stack+0x77/0x97 [ 55.284838] ___might_sleep.cold+0xa6/0xb6 [ 55.289409] exit_signals+0x1c/0x2d0 [ 55.293396] do_exit+0xd5/0xb00 [ 55.296898] ? ksys_write+0x68/0xe0 [ 55.300781] rewind_stack_do_exit+0x17/0x20 [ 55.305448] RIP: 0033:0x7f7d06dbdf33 [ 55.309434] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.330412] RSP: 002b:00007fffc79575e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.338866] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7d06dbdf33 [ 55.346834] RDX: 000000000000000d RSI: 00007f7d06cae000 RDI: 0000000000000001 [ 55.354802] RBP: 00007f7d06cae000 R08: 00007f7d06cad010 R09: 0000000000000000 [ 55.362769] R10: 00007f7d06eb81c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.370736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.835571] ---[ end trace 2d5dd325346e61b8 ]--- # [ 51.840726] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.845104] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 51.866087] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 51.871918] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.879885] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 51.887854] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 51.895821] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.903790] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 51.911759] FS: 00007fea7b831580(0000) GS[ 55.463793] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.471602] lkdtm: attempting ok execution at ffffffffb06b2340 [ 55.478126] lkdtm: attempting bad execution at ffffa165406cd000 [ 55.484753] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.493116] BUG: unable to handle page fault for address: ffffa165406cd000 [ 55.500793] #PF: supervisor instruction fetch in kernel mode [ 55.507110] #PF: error_code(0x0011) - permissions violation [ 55.513329] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1055f9067 PTE 8000000104d15063 [ 55.522369] Oops: 0011 [#8] SMP PTI [ 55.526259] CPU: 3 PID: 1734 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.534906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.541709] RIP: 0010:0xffffa165406cd000 [ 55.546085] Code: Unable to access opcode bytes at RIP 0xffffa165406ccfd6. [ 55.553761] RSP: 0018:ffffa1654243fe38 EFLAGS: 00010246 [ 55.559593] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.567559] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 55.575528] RBP: ffffa165406cd000 R08: 0000000000000000 R09: 0000000000000000 [ 55.583495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.591463] R13: ffffa1654243ff10 R14: ffffa1654243ff10 R15: ffff9c9744d15000 [ 55.599432] FS: 00007f6a1933f580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 55.608459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.614873] CR2: ffffa165406ccfd6 CR3: 0000000103724005 CR4: 00000000003706e0 [ 55.622839] Call Trace: [ 55.625568] ? execute_location+0x48/0x56 [ 55.630041] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.634701] ? direct_entry.cold+0x2c/0x38 [ 55.639274] ? full_proxy_write+0x56/0x80 [ 55.643746] ? vfs_write+0xea/0x390 [ 55.647652] ? ksys_write+0x68/0xe0 [ 55.651542] ? do_syscall_64+0x33/0x40 [ 55.655724] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.661557] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify :ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 51.920795][ 55.688005] CR2: ffffa165406cd000 [ 55.697913] ---[ end trace 2d5dd325346e61bd ]--- [ 55.703069] RIP: 0010:lkdtm_BUG+0x5/0x10 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.927[ 55.707447] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 55.734639] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 55.740463] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.748432] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 55.756397] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 55.764364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.772333] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 55.780301] FS: 00007f6a1933f580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 55.789339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.795752] CR2: ffffa165406ccfd6 CR3: 0000000103724005 CR4: 00000000003706e0 209] CR2: ffffa16541a08000 CR3: 00000001032f8003 CR4: 00000000003706f0 # [ 51.935179] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.945081] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1083, name: cat # [ 51.953535] INFO: lockdep is turned off. # [ 51.957911] irq event stamp: 0 # [ 51.961315] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.968316] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.977450] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.986574] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.993573] CPU: 0 PID: 1083 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 52.002220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.009022] Call Trace: # [ 52.011750] dump_stack+0x77/0x97 # [ 52.015453] ___might_sleep.cold+0xa6/0xb6 # [ 52.020024] exit_signals+0x1c/0x2d0 # [ 52.0[ 55.898552] lkdtm: Performing direct entry EXEC_RODATA 24011] do_exit+0xd5/0xb00 # [ 52.027513] ? ksys_write+0x68/[ 55.908963] lkdtm: attempting ok execution at ffffffffb06b2340 0xe0 # [ 52.031395] rewind_stack_do_exit+0x17/0x20 # [ 52[ 55.921733] lkdtm: attempting bad execution at ffffffffb12d9f00 .036054] RIP: 0033:0x7fea7b759f33 # [ 52.040032] Code: 8b 15 [ 55.934582] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.949115] BUG: unable to handle page fault for address: ffffffffb12d9f00 [ 55.956792] #PF: supervisor instruction fetch in kernel mode [ 55.963109] #PF: error_code(0x0011) - permissions violation [ 55.969329] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 8000000160c000e1 [ 55.977105] Oops: 0011 [#9] SMP PTI [ 55.980996] CPU: 0 PID: 1770 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.989654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.996460] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.002194] Code: ff ff df 92 cf b0 ff ff ff ff 72 ff 6b b1 ff ff ff ff 95 7a cf b0 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 [ 56.023172] RSP: 0018:ffffa165424dfe48 EFLAGS: 00010246 [ 56.029003] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.036970] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 [ 56.044936] RBP: ffffffffb12d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 56.052904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.060871] R13: ffffa165424dff10 R14: ffffa165424dff10 R15: ffff9c97436ad000 [ 56.068837] FS: 00007fec45d12580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 56.077872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.084286] CR2: ffffffffb12d9f00 CR3: 00000001057c4005 CR4: 00000000003706f0 [ 56.092253] Call Trace: [ 56.094980] ? execute_location+0x48/0x56 [ 56.099454] ? direct_entry.cold+0x2c/0x38 [ 56.104025] ? full_proxy_write+0x56/0x80 [ 56.108499] ? vfs_write+0xea/0x390 [ 56.112389] ? ksys_write+0x68/0xe0 [ 56.116279] ? do_syscall_64+0x33/0x40 [ 56.120453] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.126277] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.152708] CR2: ffffffffb12d9f00 [ 56.156404] ---[ end trace 2d5dd325346e61be ]--- [ 56.161558] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.165934] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 56.186912] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 56.192744] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.200710] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 56.208694] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 56.216663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.224653] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 56.232622] FS: 00007fec45d12580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 56.241657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.248071] CR2: ffffffffb12d9f00 CR3: 00000001057c4005 CR4: 00000000003706f0 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.061010] RSP: 002b:00007ffd4c092de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.069463] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fea7b759f33 # [ 52.077429] RDX: 000000000000001a RSI: 00007fea7b64a000 RDI: 0000000000000001 # [ 52.085396] RBP: 00007fea7b64a000 R08: 00007fea7b649010 R09: 0000000000000000 # [ 52.093362] R10: 00007fea7b8541c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.101328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 52.192901] lkdtm: Performing direct entry UNSET_SMEP # [ 52.201967] lkdtm: trying to clear SMEP normally # [ 52.207132] ------------[ cut here ]------------ # [ 52.212296] pinned CR4 bits changed: 0x100000!? # [ 52.217359] WARNING: CPU: 2 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 52.227568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.254027] CPU: 2 PID: 1119 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 52.268884] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.275702] RIP: 0010:native_write_cr4+0x41/0x60 # [ 52.280857] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 8[ 56.423388] lkdtm: Performing direct entry EXEC_USERSPACE [ 56.430018] lkdtm: attempting ok execution at ffffffffb06b2340 [ 56.436561] lkdtm: attempting bad execution at 00007f0b4da18000 [ 56.443192] unable to execute userspace code (SMEP?) (uid: 0) [ 56.449617] BUG: unable to handle page fault for address: 00007f0b4da18000 [ 56.457296] #PF: supervisor instruction fetch in kernel mode [ 56.463613] #PF: error_code(0x0011) - permissions violation [ 56.469834] PGD 8000000102765067 P4D 8000000102765067 PUD 1054f5067 PMD 102a2e067 PTE 1168b8067 [ 56.479554] Oops: 0011 [#10] SMP PTI [ 56.483533] CPU: 2 PID: 1806 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 56.492180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.498983] RIP: 0010:0x7f0b4da18000 [ 56.502969] Code: Unable to access opcode bytes at RIP 0x7f0b4da17fd6. [ 56.510256] RSP: 0018:ffffa16542577e50 EFLAGS: 00010246 [ 56.516089] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.524057] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 56.532025] RBP: 00007f0b4da18000 R08: 0000000000000000 R09: 0000000000000000 [ 56.539991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.547960] R13: ffffa16542577f10 R14: ffffa16542577f10 R15: ffff9c9740df0000 [ 56.555928] FS: 00007f0b4d9e9580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 56.564963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.571377] CR2: 00007f0b4da18000 CR3: 0000000104e24002 CR4: 00000000003706e0 [ 56.579343] Call Trace: [ 56.582071] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 56.587418] ? direct_entry.cold+0x2c/0x38 [ 56.591991] ? full_proxy_write+0x56/0x80 [ 56.596464] ? vfs_write+0xea/0x390 [ 56.600353] ? ksys_write+0x68/0xe0 [ 56.604244] ? do_syscall_64+0x33/0x40 [ 56.608427] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.614260] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 3d 0a d8 c3 01 00 75 f6 48 c7 c7 d0 f6 5f b1 c6 05 fa d7 c3 01[ 56.640708] CR2: 00007f0b4da18000 [ 56.650617] ---[ end trace 2d5dd325346e61bf ]--- [ 56.655771] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.660146] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 56.681123] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 56.686955] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.694923] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 56.702891] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 56.710859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.718826] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 56.726792] FS: 00007f0b4d9e9580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 56.735825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.742239] CR2: 00007f0b4da18000 CR3: 0000000104e24002 CR4: 00000000003706e0 [ 56.750207] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.760116] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1806, name: cat [ 56.768569] INFO: lockdep is turned off. [ 56.772943] irq event stamp: 0 [ 56.776347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.783346] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.792478] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.801609] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.808608] CPU: 2 PID: 1806 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 56.817253] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.824054] Call Trace: [ 56.826782] dump_stack+0x77/0x97 [ 56.830478] ___might_sleep.cold+0xa6/0xb6 [ 56.835041] exit_signals+0x1c/0x2d0 [ 56.839028] do_exit+0xd5/0xb00 [ 56.842529] ? ksys_write+0x68/0xe0 [ 56.846420] rewind_stack_do_exit+0x17/0x20 [ 56.851086] RIP: 0033:0x7f0b4d911f33 [ 56.855074] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.876050] RSP: 002b:00007fff49417d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.884505] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f0b4d911f33 [ 56.892473] RDX: 000000000000000f RSI: 00007f0b4d802000 RDI: 0000000000000001 [ 56.900440] RBP: 00007f0b4d802000 R08: 00007f0b4d801010 R09: 0000000000000000 [ 56.908407] R10: 00007f0b4da0c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.916373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 e8 8b c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 52.301840] RSP: 0018:ffffa16541a8fe48 EFLAGS: 00010286 # [ 52.307676] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.315658] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 52.323632] RBP: ffffffffb16bfbfd R08: 0000000000000000 R09: 0000000000000000 # [ 52.337809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.345777] R13: ffffa16541a8ff10 R14: ffffa16541a8ff10 R15: ffff9c9745c55000 # [ 52.353739] FS: 00007f32f0422580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 52.362776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.369193] CR2: 00007f32f023b000 CR3: 00000001034e4003 CR4: 00000000003706e0 # [ 52.377170] Call Trace: # [ 52.386113] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.397193] direct_entry.cold+0x2c/0x38 # [ 52.407786] full_proxy_write+0x56/0x80 # [ 52.418281] vfs_write+0xea/0x390 # [ 52.421981] ksys_write+0x68/0xe0 # [ 52.431894] do_syscall_64+0x33/0x40 # [ 52.435892] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.441532] RIP: 0033:0x7f32f034af33 # [ 52.445524] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.466505] RSP: 002b:00007fff82474a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.474961] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f32f034af33 # [ 52.482931] RDX: 000000000000000b RSI: 00007f32f02[ 57.083348] lkdtm: Performing direct entry EXEC_NULL [ 57.091535] lkdtm: attempting ok execution at ffffffffb06b2340 [ 57.098063] lkdtm: attempting bad execution at 0000000000000000 [ 57.104687] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.112470] #PF: supervisor instruction fetch in kernel mode [ 57.118790] #PF: error_code(0x0010) - not-present page [ 57.124515] PGD 0 P4D 0 [ 57.127339] Oops: 0010 [#11] SMP PTI [ 57.131327] CPU: 2 PID: 1842 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 57.139965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.146768] RIP: 0010:0x0 [ 57.149705] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.157379] RSP: 0018:ffffa16542607e48 EFLAGS: 00010246 [ 57.163211] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.171180] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 57.179146] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.187111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.195078] R13: ffffa16542607f10 R14: ffffa16542607f10 R15: ffff9c97457cd000 [ 57.203046] FS: 00007f79f24f5580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 57.212081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.218495] CR2: ffffffffffffffd6 CR3: 0000000103584006 CR4: 00000000003706e0 [ 57.226463] Call Trace: [ 57.229190] execute_location+0x48/0x56 [ 57.233468] direct_entry.cold+0x2c/0x38 [ 57.237845] full_proxy_write+0x56/0x80 [ 57.242125] vfs_write+0xea/0x390 [ 57.245821] ksys_write+0x68/0xe0 [ 57.249518] do_syscall_64+0x33/0x40 [ 57.253496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.259133] RIP: 0033:0x7f79f241df33 [ 57.263122] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.284107] RSP: 002b:00007fffb40a5518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.292591] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f79f241df33 [ 57.300560] RDX: 000000000000000a RSI: 00007f79f230e000 RDI: 0000000000000001 [ 57.308528] RBP: 00007f79f230e000 R08: 00007f79f230d010 R09: 0000000000000000 [ 57.316494] R10: 00007f79f25181c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.324461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.332430] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3b000 RDI: 0000000000000001 # [ 52.490902] RBP: 00007f32f023b[ 57.358883] CR2: 0000000000000000 [ 57.368790] ---[ end trace 2d5dd325346e61c0 ]--- [ 57.373944] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.378320] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 57.399297] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 57.405129] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.413098] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 57.421064] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 57.429032] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.437000] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 57.444967] FS: 00007f79f24f5580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 57.454002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.460418] CR2: ffffffffffffffd6 CR3: 0000000103584006 CR4: 00000000003706e0 000 R08: 00007f32f023a010 R09: 0000000000000000 # [ 52.498870] R10: 00007f32f04451c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.506831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.514796] irq event stamp: 0 # [ 52.518227] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.525229] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.534366] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.543500] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.550489] ---[ end trace 2d5dd325346e61b9 ]--- # [ 52.555656] lkdtm: ok: SMEP did not get cleared # [ 52.560716] lkdtm: trying to clear SMEP with call gadget # [ 52.566658] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 52.6451[ 57.559318] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.567903] lkdtm: attempting bad read at 00007f3426d1e000 [ 57.574042] BUG: unable to handle page fault for address: 00007f3426d1e000 [ 57.581726] #PF: supervisor read access in kernel mode [ 57.587461] #PF: error_code(0x0001) - permissions violation [ 57.593681] PGD 8000000104d89067 P4D 8000000104d89067 PUD 104d88067 PMD 105431067 PTE 112b0b067 51] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.652247[ 57.603401] Oops: 0001 [#12] SMP PTI [ 57.613601] CPU: 3 PID: 1877 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 57.622251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.629048] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 57.635269] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 90 0c 6c b1 e8 73 9d fd ff 48 c7 c7 b8 0c 6c b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 e0 0c 6c [ 57.656238] RSP: 0018:ffffa165426afe48 EFLAGS: 00010246 [ 57.662071] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.670038] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb16c0cb8 [ 57.678004] RBP: 00007f3426d1e000 R08: 0000000000000000 R09: 0000000000000000 [ 57.685971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.693939] R13: ffffa165426aff10 R14: ffffa165426aff10 R15: ffff9c9743546000 [ 57.701905] FS: 00007f3426cef580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 57.710942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.717354] CR2: 00007f3426d1e000 CR3: 00000001032f8004 CR4: 00000000003706e0 [ 57.725322] Call Trace: [ 57.728049] direct_entry.cold+0x2c/0x38 [ 57.732427] full_proxy_write+0x56/0x80 [ 57.736707] vfs_write+0xea/0x390 [ 57.740404] ksys_write+0x68/0xe0 [ 57.744093] do_syscall_64+0x33/0x40 [ 57.748079] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.753718] RIP: 0033:0x7f3426c17f33 [ 57.757705] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.778700] RSP: 002b:00007ffcbcd3f458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.787151] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3426c17f33 [ 57.795119] RDX: 0000000000000011 RSI: 00007f3426b08000 RDI: 0000000000000001 [ 57.803086] RBP: 00007f3426b08000 R08: 00007f3426b07010 R09: 0000000000000000 [ 57.811052] R10: 00007f3426d121c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.819017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.826988] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFA[ 57.853445] CR2: 00007f3426d1e000 [ 57.863355] ---[ end trace 2d5dd325346e61c1 ]--- [ 57.868501] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.872876] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 57.893857] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 57.899703] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.907671] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 57.915654] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 57.923619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.931586] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 57.939555] FS: 00007f3426cef580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 57.948589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.955003] CR2: 00007f3426d1e000 CR3: 00000001032f8004 CR4: 00000000003706e0 IL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.775518] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.787441] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.892574] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.905713] 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 # [ 53.067999] lkdtm: Performing direct entry READ_AF[ 58.062090] lkdtm: Performing direct entry ACCESS_NULL TER_FREE # [ 53.074887] lkdtm: Value in memory before free: 1[ 58.068219] lkdtm: attempting bad read at 0000000000000000 2345678 # [ 53.080829] lkdtm: Attempting bad read from freed [ 58.080570] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.094536] #PF: supervisor read access in kernel mode [ 58.100270] #PF: error_code(0x0000) - not-present page [ 58.106006] PGD 0 P4D 0 [ 58.108829] Oops: 0000 [#13] SMP PTI [ 58.112817] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 58.121455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.128261] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.133516] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e cb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 0c 6c b1 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 0c 6c b1 48 01 [ 58.154495] RSP: 0018:ffffa1654274fe58 EFLAGS: 00010246 [ 58.160328] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.168295] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 [ 58.176265] RBP: ffffffffb16bfd81 R08: 0000000000000000 R09: 0000000000000000 [ 58.184231] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.192197] R13: ffffa1654274ff10 R14: ffffa1654274ff10 R15: ffff9c9744f37000 [ 58.200166] FS: 00007fa6bf443580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 58.209201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.215615] CR2: 0000000000000000 CR3: 00000001034da003 CR4: 00000000003706f0 [ 58.223583] Call Trace: [ 58.226316] direct_entry.cold+0x2c/0x38 [ 58.230699] full_proxy_write+0x56/0x80 [ 58.234984] vfs_write+0xea/0x390 [ 58.238671] ksys_write+0x68/0xe0 [ 58.242360] do_syscall_64+0x33/0x40 [ 58.246348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.251977] RIP: 0033:0x7fa6bf36bf33 [ 58.255965] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.276935] RSP: 002b:00007ffd717cefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.285390] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa6bf36bf33 [ 58.293358] RDX: 000000000000000c RSI: 00007fa6bf25c000 RDI: 0000000000000001 [ 58.301324] RBP: 00007fa6bf25c000 R08: 00007fa6bf25b010 R09: 0000000000000000 [ 58.309293] R10: 00007fa6bf4661c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.317259] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.325228] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.351662] CR2: 0000000000000000 [ 58.355358] ---[ end trace 2d5dd325346e61c2 ]--- [ 58.360503] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.364878] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 58.385856] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 58.391688] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.399656] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 58.407623] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 58.415591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.423559] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 58.431526] FS: 00007fa6bf443580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 58.440561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.446975] CR2: 0000000000000000 CR3: 00000001034da003 CR4: 00000000003706f0 [ 58.454944] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.464846] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat [ 58.473298] INFO: lockdep is turned off. [ 58.477673] irq event stamp: 0 [ 58.481076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.488075] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.497209] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.506341] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.513339] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 58.521979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.528780] Call Trace: [ 58.531508] dump_stack+0x77/0x97 [ 58.535204] ___might_sleep.cold+0xa6/0xb6 [ 58.539776] exit_signals+0x1c/0x2d0 [ 58.543763] do_exit+0xd5/0xb00 [ 58.547266] ? ksys_write+0x68/0xe0 [ 58.551149] rewind_stack_do_exit+0x17/0x20 [ 58.555817] RIP: 0033:0x7fa6bf36bf33 [ 58.559803] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.580783] RSP: 002b:00007ffd717cefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.589237] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa6bf36bf33 [ 58.597205] RDX: 000000000000000c RSI: 00007fa6bf25c000 RDI: 0000000000000001 [ 58.605173] RBP: 00007fa6bf25c000 R08: 00007fa6bf25b010 R09: 0000000000000000 [ 58.613140] R10: 00007fa6bf4661c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.621107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 memory # [ 53.086769] 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 # [ 53.248752] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.259763] lkdtm: Value in memory before free: 12345678 # [ 53.271913] lkdtm: Attempting to read from freed memory # [ 53.283988] 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 # [ 53.384010] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.394614] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.492751] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.499380] 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 # [ 53.577[ 58.757362] lkdtm: Performing direct entry WRITE_RO [ 58.765058] lkdtm: attempting bad rodata write at ffffffffb12d9ef0 [ 58.771970] BUG: unable to handle page fault for address: ffffffffb12d9ef0 [ 58.779655] #PF: supervisor write access in kernel mode [ 58.785490] #PF: error_code(0x0003) - permissions violation [ 58.791710] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 8000000160c000e1 869] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.585[ 58.799490] Oops: 0003 [#14] SMP PTI [ 58.809690] CPU: 2 PID: 1947 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 58.818342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.825138] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 876] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE:[ 58.830098] Code: 00 48 c7 c7 70 0b 6c b1 48 c7 c6 f0 9e 2d b1 e8 93 9f fd ff 48 8b 05 10 21 5e 00 ba 34 12 cd ab 48 c7 c7 a0 0b 6c b1 48 31 d0 <48> 89 05 fa 20 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 [ 58.857291] RSP: 0018:ffffa165427dfe60 EFLAGS: 00010202 [ 58.863115] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.871083] RDX: 00000000abcd1234 RSI: ffff9c97bad1bf70 RDI: ffffffffb16c0ba0 [ 58.879049] RBP: ffffffffb16bfd8d R08: 0000000000000000 R09: 0000000000000000 [ 58.887017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.894983] R13: ffffa165427dff10 R14: ffffa165427dff10 R15: ffff9c97433b8000 [ 58.902951] FS: 00007ff5354ff580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 58.911985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.918398] CR2: ffffffffb12d9ef0 CR3: 00000001055bc002 CR4: 00000000003706e0 [ 58.926366] Call Trace: [ 58.929094] direct_entry.cold+0x2c/0x38 [ 58.933472] full_proxy_write+0x56/0x80 [ 58.937753] vfs_write+0xea/0x390 [ 58.941450] ksys_write+0x68/0xe0 [ 58.945137] do_syscall_64+0x33/0x40 [ 58.949124] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.954753] RIP: 0033:0x7ff535427f33 [ 58.958739] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.979717] RSP: 002b:00007ffec4fc2948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.988170] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff535427f33 [ 58.996138] RDX: 0000000000000009 RSI: 00007ff535318000 RDI: 0000000000000001 [ 59.004107] RBP: 00007ff535318000 R08: 00007ff535317010 R09: 0000000000000000 [ 59.012073] R10: 00007ff5355221c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.020039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.028008] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB[ 59.054456] CR2: ffffffffb12d9ef0 [ 59.064364] ---[ end trace 2d5dd325346e61c3 ]--- [ 59.069517] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.073890] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 59.094868] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 59.100710] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.108676] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 59.116651] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 59.124620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.132587] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 59.140555] FS: 00007ff5354ff580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 59.149590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.156004] CR2: ffffffffb12d9ef0 CR3: 00000001055bc002 CR4: 00000000003706e0 _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 # [ 53.801492] lkdtm: Performing direct entry EXEC_DATA # [ 53.808339] lkdtm: attempting ok execution at ffffffffb06b2340 # [ 53.814865] lkdtm: attempting bad execution at ffffffffb2db3560 # [ 53.821489] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.836056] BUG: unable to handle page fault for address: ffffffffb2db3560 # [ 53.843733] #PF: supervisor instruction fetch in kernel mode # [ 53.850049] #PF: error_code(0x0011) - permissions violation # [ 53.856268] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 80000001626000e3 # [ 53.864044] [ 59.273551] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT Oops: 0011 [#5] SMP PTI # [ 53.867933] CPU: 2 PID: 1626 Comm:[ 59.282462] lkdtm: attempting bad ro_after_init write at ffffffffb173b328 cat Tainted: G D W 5.10.126-cip11 #1 # [ 53.876[ 59.296276] BUG: unable to handle page fault for address: ffffffffb173b328 [ 59.310135] #PF: supervisor write access in kernel mode [ 59.315967] #PF: error_code(0x0003) - permissions violation [ 59.322189] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 104c20063 PTE 800000016113b061 [ 59.331233] Oops: 0003 [#15] SMP PTI [ 59.335222] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 59.343870] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.350675] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.356706] Code: 0b 6c b1 e9 45 9f fd ff 48 c7 c7 f8 0b 6c b1 e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 a0 0b 6c b1 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.377683] RSP: 0018:ffffa16542867e60 EFLAGS: 00010202 [ 59.383515] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.391482] RDX: 00000000abcd1234 RSI: ffff9c97bac1bf70 RDI: ffffffffb16c0ba0 [ 59.399448] RBP: ffffffffb16bfd96 R08: 0000000000000000 R09: 0000000000000000 [ 59.407418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.415386] R13: ffffa16542867f10 R14: ffffa16542867f10 R15: ffff9c974377c000 [ 59.423354] FS: 00007ff08eb8b580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 59.432389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.438804] CR2: ffffffffb173b328 CR3: 0000000105d60005 CR4: 00000000003706f0 [ 59.446770] Call Trace: [ 59.449497] direct_entry.cold+0x2c/0x38 [ 59.453875] full_proxy_write+0x56/0x80 [ 59.458161] vfs_write+0xea/0x390 [ 59.461857] ksys_write+0x68/0xe0 [ 59.465553] do_syscall_64+0x33/0x40 [ 59.469541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.475169] RIP: 0033:0x7ff08eab3f33 [ 59.479156] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.500125] RSP: 002b:00007fff254c1ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.508578] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007ff08eab3f33 [ 59.516545] RDX: 0000000000000014 RSI: 00007ff08e9a4000 RDI: 0000000000000001 [ 59.524511] RBP: 00007ff08e9a4000 R08: 00007ff08e9a3010 R09: 0000000000000000 [ 59.532478] R10: 00007ff08ebae1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.540444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.548414] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.574850] CR2: ffffffffb173b328 [ 59.578537] ---[ end trace 2d5dd325346e61c4 ]--- [ 59.583690] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.588055] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 59.609033] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 59.614864] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.622831] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 59.630798] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 59.638765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.646733] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 59.654700] FS: 00007ff08eb8b580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 59.663735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.670149] CR2: ffffffffb173b328 CR3: 0000000105d60005 CR4: 00000000003706f0 581] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.883387] RIP: 0010:data_area+0x0/0x40 # [ 53.887762] Code: ff ff 00 e7 26 44 97 9c ff ff 00 e6 26 44 97 9c 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.908740] RSP: 0018:ffffa1654227fe48 EFLAGS: 00010246 # [ 53.914573] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.922540] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 53.930506] RBP: ffffffffb2db3560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.938473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.946439] R13: ffffa1654227ff10 R14: ffffa1654227ff10 R15: ffff9c974359f000 # [ 53.954406] FS: 00007fd2230dd580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 53.963443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.969858] CR2: ffffffffb2db3560 CR3: 0000000103384006 CR4: 00000000003706e0 # [ 53.977827] Call Trace: # [ 53.980553] ? execute_location+0x48/0x56 # [ 53.985027] ? direct_entry.cold+0x2c/0x38 # [ 53.989599] ? full_proxy_write+0x56/0x80 # [ 53.994073] ? vfs_write+0xea/0x390 # [ 53.997954] ? ksys_write+0x68/0xe0 # [ 54.001845] ? do_syscall_[ 59.805008] lkdtm: Performing direct entry WRITE_KERN 64+0x33/0x40 # [ 54.006016] ? entry_SYSCALL_64_after_hwframe[ 59.814383] lkdtm: attempting bad 6576666 byte write at ffffffffb0cf7d5a +0x44/0xa9 # [ 54.011850] Modules linked in: fuse ip_tables c[ 59.828094] BUG: unable to handle page fault for address: ffffffffb0cf7d5a [ 59.841957] #PF: supervisor write access in kernel mode [ 59.847790] #PF: error_code(0x0003) - permissions violation [ 59.854010] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 1606000e1 [ 59.861108] Oops: 0003 [#16] SMP PTI [ 59.865087] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 59.873726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.880532] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 59.885691] Code: 53 48 c7 c3 5a 7d cf b0 49 89 dc 48 89 da 49 81 ec 40 23 6b b0 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 6b b0 a4 48 c7 c7 a0 0b 6c b1 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 59.906659] RSP: 0018:ffffa165428e7e50 EFLAGS: 00010246 [ 59.912491] RAX: 000000000000003c RBX: ffffffffb0cf7d5a RCX: 0000000000645a1a [ 59.920459] RDX: 0000000000000000 RSI: ffffffffb06b2340 RDI: ffffffffb0cf7d5a [ 59.928427] RBP: ffffffffb16bfdaa R08: 0000000000000000 R09: 0000000000000000 [ 59.936395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000645a1a [ 59.944363] R13: ffffa165428e7f10 R14: ffffa165428e7f10 R15: ffff9c9743458000 [ 59.952331] FS: 00007f91caa8a580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 59.961366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.967780] CR2: ffffffffb0cf7d5a CR3: 0000000104082004 CR4: 00000000003706f0 [ 59.975748] Call Trace: [ 59.978474] direct_entry.cold+0x2c/0x38 [ 59.982858] full_proxy_write+0x56/0x80 [ 59.987142] vfs_write+0xea/0x390 [ 59.990829] ksys_write+0x68/0xe0 [ 59.994525] do_syscall_64+0x33/0x40 [ 59.998512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.004150] RIP: 0033:0x7f91ca9b2f33 [ 60.008128] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.029106] RSP: 002b:00007ffe5740c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.037559] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f91ca9b2f33 [ 60.045526] RDX: 000000000000000b RSI: 00007f91ca8a3000 RDI: 0000000000000001 [ 60.053493] RBP: 00007f91ca8a3000 R08: 00007f91ca8a2010 R09: 0000000000000000 [ 60.061460] R10: 00007f91caaad1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.069428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.077398] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.103831] CR2: ffffffffb0cf7d5a [ 60.107528] ---[ end trace 2d5dd325346e61c5 ]--- [ 60.112673] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.117049] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 60.138030] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 [ 60.143861] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.151830] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 [ 60.159798] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 [ 60.167765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.175732] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 [ 60.183699] FS: 00007f91caa8a580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 [ 60.192735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.199151] CR2: ffffffffb0cf7d5a CR3: 0000000104082004 CR4: 00000000003706f0 [ 60.207119] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.217029] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2017, name: cat [ 60.225481] INFO: lockdep is turned off. [ 60.229855] irq event stamp: 0 [ 60.233258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.240256] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.249390] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.258513] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.265511] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 60.274156] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.280958] Call Trace: [ 60.283686] dump_stack+0x77/0x97 [ 60.287383] ___might_sleep.cold+0xa6/0xb6 [ 60.291955] exit_signals+0x1c/0x2d0 [ 60.295941] do_exit+0xd5/0xb00 [ 60.299443] ? ksys_write+0x68/0xe0 [ 60.303325] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.308768] rewind_stack_do_exit+0x17/0x20 [ 60.313435] RIP: 0033:0x7f91ca9b2f33 [ 60.317413] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.338391] RSP: 002b:00007ffe5740c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.346837] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f91ca9b2f33 [ 60.354804] RDX: 000000000000000b RSI: 00007f91ca8a3000 RDI: 0000000000000001 [ 60.362770] RBP: 00007f91ca8a3000 R08: 00007f91ca8a2010 R09: 0000000000000000 [ 60.370737] R10: 00007f91caaad1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.378704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.038295] CR2: ffffffffb2db3560 # [ 54.048203] ---[ end trace 2d5dd325346e61ba ]--- # [ 54.053346] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.057722] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 54.078707] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 54.084540] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.092507] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 54.100474] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 54.108441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.116407] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 54.124374] FS: 00007fd2230dd580(0000) GS:ffff9c97bad00000(0000) knlGS:00000000000[ 60.497272] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 00000 # [ 54.133411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 60.505299] lkdtm: attempting good refcount_inc() without overflow 080050033 # [ 54.139824] CR2: ffffffffb2db3560 CR3: 000000010[ 60.518424] lkdtm: attempting bad refcount_inc() overflow [ 60.530661] ------------[ cut here ]------------ 3384006 CR4: 00000000003706e0 # [ 54.147793] BUG: sleeping fu[ 60.535816] refcount_t: saturated; leaking memory. nction called from invalid context at include/linux/percpu-rwsem[ 60.547405] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 .h:49 # [ 54.157708] in_atomic(): 0, irqs_disabled(): 1, non_[ 60.562923] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.595559] CPU: 1 PID: 2052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 block: 0, pid: 1626, name: cat # [ 54.166160] INFO: lockdep i[ 60.604212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s turned off. # [ 54.170534] irq event stamp: 0 # [ 54.173[ 60.617231] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 60.629186] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.650193] RSP: 0018:ffffa16542967e48 EFLAGS: 00010286 [ 54.180930] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.190075] softirqs last en[ 60.676431] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 abled at (0): [] copy_process+0x63c/0x1c80 # [ 60.690621] RBP: ffffffffb16bfdb5 R08: 0000000000000000 R09: 0000000000000000 [ 54.199238] softirqs last disabled at (0): [<0000000000000000[ 60.704809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 >] 0x0 # [ 54.206234] CPU: 2 PID: 1626 Comm: cat Tainted: G [ 60.718997] R13: ffffa16542967f10 R14: ffffa16542967f10 R15: ffff9c974403c000 D W 5.10.126-cip11 #1 # [ 54.214881] Hardware nam[ 60.733182] FS: 00007fd816ed7580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.221683] Call[ 60.748443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Trace: # [ 54.224420] dump_stack+0x77/0x97 # [ 54.228116[ 60.761072] CR2: 00007fd816cf0000 CR3: 0000000103326002 CR4: 00000000003706e0 ] ___might_sleep.cold+0xa6/0xb6 # [ 54.232700] exit_signals[ 60.775257] Call Trace: +0x1c/0x2d0 # [ 54.236720] do_exit+0xd5/0xb00 # [ 54.2402[ 60.784205] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 13] ? ksys_write+0x68/0xe0 # [ 54.244104] rewind_stack_do_e[ 60.795769] direct_entry.cold+0x2c/0x38 xit+0x17/0x20 # [ 54.248770] RIP: 0033:0x7fd223005f33 # [ [ 60.806365] full_proxy_write+0x56/0x80 54.252756] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff[ 60.816863] vfs_write+0xea/0x390 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 60.826778] ksys_write+0x68/0xe0 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 60.836695] do_syscall_64+0x33/0x40 28 48 89 54 24 18 # [ 54.273736] RSP: 002b:00007ffe48ef31d8 [ 60.846902] entry_SYSCALL_64_after_hwframe+0x44/0xa9 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.282188] RA[ 60.858762] RIP: 0033:0x7fd816dfff33 X: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd223005f33[ 60.868970] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.290156] RDX: 000000000000000a RSI: 00007fd222ef6000 RD[ 60.896175] RSP: 002b:00007ffd013b2878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 I: 0000000000000001 # [ 54.298123] RBP: 00007fd222ef6000 R08:[ 60.910851] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd816dfff33 00007fd222ef5010 R09: 0000000000000000 # [ 54.306091] R10: 0[ 60.925042] RDX: 0000000000000016 RSI: 00007fd816cf0000 RDI: 0000000000000001 0007fd2231001c0 R11: 0000000000000246 R12: 0000000000000001 # [[ 60.939231] RBP: 00007fd816cf0000 R08: 00007fd816cef010 R09: 0000000000000000 54.314057] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 60.953420] R10: 00007fd816efa1c0 R11: 0000000000000246 R12: 0000000000000001 000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selft[ 60.967611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # [ 60.981805] irq event stamp: 0 Killed # [ 54.401117] lkdtm: Performing direct entry EXEC_STA[ 60.991430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 CK # [ 54.408511] lkdtm: attempting ok execution at ffffffffb[ 61.004652] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 06b2340 # [ 54.415036] lkdtm: attempting bad execution at fff[ 61.020007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 fa16542327e18 # [ 54.421661] kernel tried to execute NX-prote[ 61.020008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.020010] ---[ end trace 2d5dd325346e61c6 ]--- [ 61.053735] lkdtm: Overflow detected: saturated cted page - exploit attempt? (uid: 0) # [ 54.436232] BUG: unable to handle page fault for address: ffffa16542327e18 # [ 54.443908] #PF: supervisor instruction fetch in kernel mode # [ 54.450226] #PF: error_code(0x0011) - permissions violation # [ 54.456445] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104877067 PTE 8000000103439063 # [ 54.465482] Oops: 0011 [#6] SMP PTI # [ 54.469372] CPU: 2 PID: 1662 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 54.478012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.484814] RIP: 0010:0xffffa16542327e18 # [ 54.489189] Code: 00 00 18 7e 32 42 65 a1 ff ff b3 7d cf b0 ff ff ff ff 20 00 00 00 00 00 00 00 26 fd 6b b1 ff ff ff ff df 7e cf b0 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.510169] RSP: 0018:ffffa16542327df8 EFLAGS: 00010246 # [ 54.515992] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.523959] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 54.531924] RBP: ffffa16542327e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.539892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.547860] R13: ffffa16542327f10 R14: ffffa16542327f10 R15: ffff9c97434ba000 # [ 54.555827] FS: 00007f1e82400580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 54.5648[ 61.195257] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.202346] lkdtm: attempting good refcount_add() without overflow [ 61.209270] lkdtm: attempting bad refcount_add() overflow [ 61.215317] ------------[ cut here ]------------ [ 61.220488] refcount_t: saturated; leaking memory. [ 61.225879] WARNING: CPU: 3 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 61.235226] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.261701] CPU: 3 PID: 2084 Comm: cat Tainted: G D W 5.10.126-cip11 #1 63] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.[ 61.270354] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.283379] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 61.289148] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 [ 61.310131] RSP: 0018:ffffa165429ffe48 EFLAGS: 00010286 [ 61.315967] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.323944] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 571277] CR2: ffffa16542327e18 CR3: 000000010337c005 CR4: 0000000[ 61.331947] RBP: ffffffffb16bfdcb R08: 0000000000000000 R09: 0000000000000000 [ 61.346125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.354094] R13: ffffa165429fff10 R14: ffffa165429fff10 R15: ffff9c9745d93000 [ 61.362065] FS: 00007fc3e3c6e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 61.371103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.377520] CR2: 00007fc3e3a87000 CR3: 00000001034e4005 CR4: 00000000003706e0 [ 61.385489] Call Trace: [ 61.388218] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 61.393593] direct_entry.cold+0x2c/0x38 [ 61.397974] full_proxy_write+0x56/0x80 [ 61.402256] vfs_write+0xea/0x390 [ 61.405956] ksys_write+0x68/0xe0 [ 61.409659] do_syscall_64+0x33/0x40 0003706e0 # [ 54.579243] Call Trace: # [ 54.581973] ? exe[ 61.413653] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.425504] RIP: 0033:0x7fc3e3b96f33 [ 61.429494] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.450475] RSP: 002b:00007ffff688a808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.458932] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3e3b96f33 [ 61.466904] RDX: 0000000000000016 RSI: 00007fc3e3a87000 RDI: 0000000000000001 [ 61.474875] RBP: 00007fc3e3a87000 R08: 00007fc3e3a86010 R09: 0000000000000000 [ 61.482847] R10: 00007fc3e3c911c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.490818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.498790] irq event stamp: 0 [ 61.502196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.509190] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.518328] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.527463] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.534455] ---[ end trace 2d5dd325346e61c7 ]--- [ 61.539612] lkdtm: Overflow detected: saturated cute_location+0x48/0x56 # [ 54.586444] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 54.590917] ? direct_entry.cold+0x2c/0x38 # [ 54.595489] ? full_proxy_write+0x56/0x80 # [ 54.599954] ? vfs_write+0xea/0x390 # [ 54.603846] ? ksys_write+0x68/0xe0 # [ 54.607736] ? do_syscall_64+0x33/0x40 # [ 54.611920] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.617754] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.644205] CR2: ffffa16542327e18 # [ 54.654113] ---[ end trace 2d5dd325346e61bb ]--- # [ 54.659266] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.663653] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 54.684653] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 54.690485] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.698446] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb[ 61.657084] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.670350] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 61.677265] ------------[ cut here ]------------ [ 61.682425] refcount_t: saturated; leaking memory. [ 61.687783] WARNING: CPU: 2 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 61.697145] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 12d9a70 # [ 54.706414] RBP: ffffffffb171af30 R08: 00000000000[ 61.723610] CPU: 2 PID: 2116 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 61.738468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.745274] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 61.751012] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 [ 61.771995] RSP: 0018:ffffa165429f7e38 EFLAGS: 00010282 [ 61.777831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.785801] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 61.793771] RBP: ffffffffb16bfa08 R08: 0000000000000000 R09: 0000000000000000 [ 61.801731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.809703] R13: ffffa165429f7f10 R14: ffffa165429f7f10 R15: ffff9c9742653000 [ 61.817687] FS: 00007f467e60b580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 00001 R09: 0000000000000001 # [ 54.714382] R10: 00000000ffffe[ 61.826759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.839393] CR2: 00007f467e424000 CR3: 0000000105648001 CR4: 00000000003706e0 [ 61.847389] Call Trace: [ 61.850122] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 61.856279] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 61.862527] direct_entry.cold+0x2c/0x38 [ 61.866907] full_proxy_write+0x56/0x80 [ 61.871214] vfs_write+0xea/0x390 [ 61.874937] ksys_write+0x68/0xe0 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.722350[ 61.878664] do_syscall_64+0x33/0x40 [ 61.888884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694[ 61.894535] RIP: 0033:0x7f467e533f33 [ 61.904734] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.925720] RSP: 002b:00007ffc8abc70e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.934177] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f467e533f33 [ 61.942147] RDX: 000000000000001f RSI: 00007f467e424000 RDI: 0000000000000001 [ 61.950119] RBP: 00007f467e424000 R08: 00007f467e423010 R09: 0000000000000000 [ 61.958091] R10: 00007f467e62e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.966062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.974038] irq event stamp: 0 [ 61.977476] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.984480] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.993618] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.002757] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.009758] ---[ end trace 2d5dd325346e61c8 ]--- [ 62.014913] lkdtm: Overflow detected: saturated 000 # [ 54.730319] FS: 00007f1e82400580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 54.739347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.745761] CR2: ffffa16542327e18 CR3: 000000010337c005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.841767] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.852862] lkdtm: attempting ok execution at ffffffffb06b2340 # [ 54.859402] lkdtm: attempting bad execution at ffff9c97432333c0 # [ 54.866048] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.874416] BUG: unable to handle page fault for address: ffff9c97432333c0 # [ 54.882094] #PF: supervisor instruction fetch in kernel mode # [ 54.894626] #PF: error_code(0x0011) - permissions violation # [ 54.900845] PGD 162801067 P4D 162801067 PUD 10084b063 PMD 1047d3063 PTE 8000000103233163 # [ 54.909887] Oops: 0011 [#7] SMP PTI # [ 54.[ 62.115133] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 62.127058] lkdtm: attempting bad refcount_add_not_zero() overflow [ 62.133980] ------------[ cut here ]------------ 919990] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5[ 62.139161] refcount_t: saturated; leaking memory. .10.126-cip11 #1 # [ 54.928653] Hardware name: Google Rammus/[ 62.150734] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 62.166264] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Rammus, BIOS 09/04/2020 # [ 54.935457] RIP: 0010:0xffff9c974[ 62.192724] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 62.207608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 32333c0 # [ 54.939832] Code: 00 00 02 00 00 00 00 00 00 00 00[ 62.214429] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 62.226374] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 [ 62.247356] RSP: 0018:ffffa16542b07e38 EFLAGS: 00010282 [ 62.253189] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.261153] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 62.269122] RBP: ffffffffb16bfa28 R08: 0000000000000000 R09: 0000000000000000 [ 62.277083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.285053] R13: ffffa16542b07f10 R14: ffffa16542b07f10 R15: ffff9c9745dc1000 [ 62.293025] FS: 00007f42625c8580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 62.302063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.308480] CR2: 00007f42623e1000 CR3: 0000000103782002 CR4: 00000000003706e0 [ 62.316452] Call Trace: [ 62.319182] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 62.325332] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 62.331556] direct_entry.cold+0x2c/0x38 [ 62.335936] full_proxy_write+0x56/0x80 [ 62.340219] vfs_write+0xea/0x390 [ 62.343917] ksys_write+0x68/0xe0 [ 62.347617] do_syscall_64+0x33/0x40 [ 62.351656] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.357298] RIP: 0033:0x7f42624f0f33 [ 62.361288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.382270] RSP: 002b:00007fffac607b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.390727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f42624f0f33 [ 62.398705] RDX: 000000000000001f RSI: 00007f42623e1000 RDI: 0000000000000001 [ 62.406667] RBP: 00007f42623e1000 R08: 00007f42623e0010 R09: 0000000000000000 [ 62.414662] R10: 00007f42625eb1c0 R11: 0000000000000246 R12: 0000000000000001 38 23 43 97 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 62.422636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 bb b6 ef af ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84[ 62.436822] irq event stamp: 0 [ 62.446441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.960810] RSP: 0018:ff[ 62.453445] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.468790] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.477928] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.484927] ---[ end trace 2d5dd325346e61c9 ]--- [ 62.490083] lkdtm: Overflow detected: saturated ffa165423b7e38 EFLAGS: 00010246 # [ 54.966652] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.974610] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 54.982576] RBP: ffff9c97432333c0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.990544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.998512] R13: ffffa165423b7f10 R14: ffffa165423b7f10 R15: ffff9c97455be000 # [ 55.006479] FS: 00007f7d06e95580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 55.015514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.021929] CR2: ffff9c97432333c0 CR3: 0000000103338005 CR4: 00000000003706e0 # [ 55.029897] Call Trace: # [ 55.032625] ? execute_location+0x48/0x56 # [ 55.037123] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.041790] ? direct_entry.cold+0x2c/0x38 # [ 55.046362] ?[ 62.581429] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO full_proxy_write+0x56/0x80 # [ 55.050835] ? vfs_write+0xea/[ 62.588510] lkdtm: attempting good refcount_dec() 0x390 # [ 55.054725] ? ksys_write+0x68/0xe0 # [ 55.058615[ 62.599978] lkdtm: attempting bad refcount_dec() to zero ] ? do_syscall_64+0x33/0x40 # [ 55.062797] ? entry_SYSCALL_[ 62.612129] ------------[ cut here ]------------ 64_after_hwframe+0x44/0xa9 # [ 55.068624] Modules linked in: [ 62.623500] refcount_t: decrement hit 0; leaking memory. fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio[ 62.635685] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 _triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec[ 62.651208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pk[ 62.683850] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.126-cip11 #1 g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.095078] C[ 62.698717] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R2: ffff9c97432333c0 # [ 55.104986] ---[ end trace 2d5dd32534[ 62.711746] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 6e61bc ]--- # [ 55.110137] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 62.723702] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 55.114514] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 [ 62.750903] RSP: 0018:ffffa16542b97e48 EFLAGS: 00010286 [ 62.762952] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 62.770926] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc c[ 62.778922] RBP: ffffffffb16bfde1 R08: 0000000000000000 R09: 0000000000000000 c 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 62.793115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 62.807300] R13: ffffa16542b97f10 R14: ffffa16542b97f10 R15: ffff9c9744f2b000 [ 62.815273] FS: 00007f533e52b580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 00 83 05 a0 15 70 02 # [ 55.135485] RSP: 0018:ffffa165414d7e6[ 62.824313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.836942] CR2: 00007f533e344000 CR3: 00000001043c0006 CR4: 00000000003706e0 [ 62.844914] Call Trace: 0 EFLAGS: 00010282 # [ 55.141316] RAX: ffffffffb06b1f70 RBX: [ 62.847660] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 0000000000000001 RCX: 0000000000000000 # [ 55.149285] RDX: 00[ 62.858829] direct_entry.cold+0x2c/0x38 00000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ [ 62.869448] full_proxy_write+0x56/0x80 [ 62.879947] vfs_write+0xea/0x390 55.157252] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 00[ 62.883687] ksys_write+0x68/0xe0 [ 62.893581] do_syscall_64+0x33/0x40 00000000000001 # [ 55.165218] R10: 00000000ffffe000 R11: 3fff[ 62.897597] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.909448] RIP: 0033:0x7f533e453f33 ffffffffffff R12: 0000000000000004 # [ 55.173185] R13: ffffa1[ 62.913439] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 65414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 55[ 62.940659] RSP: 002b:00007ffdc9f944d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.955336] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f533e453f33 [ 62.963310] RDX: 0000000000000012 RSI: 00007f533e344000 RDI: 0000000000000001 [ 62.971282] RBP: 00007f533e344000 R08: 00007f533e343010 R09: 0000000000000000 [ 62.979253] R10: 00007f533e54e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.987224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .181153] FS: 00007f7d06e95580(0000) GS:ffff9c97bad00000(0000) k[ 62.995202] irq event stamp: 0 nlGS:0000000000000000 # [ 55.190189] CS: 0010 DS: 0000 ES: 0[ 63.004838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000 CR0: 0000000080050033 # [ 55.196604] CR2: ffff9c97432333c[ 63.018058] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.033411] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0 CR3: 0000000103338005 CR4: 00000000003706e0 # [ 55.204572] [ 63.042550] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.055761] ---[ end trace 2d5dd325346e61ca ]--- BUG: sleeping function called from invalid context at include/li[ 63.060919] lkdtm: Zero detected: saturated nux/percpu-rwsem.h:49 # [ 55.214481] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1698, name: cat # [ 55.222934] INFO: lockdep is turned off. # [ 55.227308] irq event stamp: 0 # [ 55.230713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.237704] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.246838] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.255970] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.262967] CPU: 2 PID: 1698 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 55.271612] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.278415] Call Trace: # [ 55.281142] dump_stack+0x77/0x97 # [ 55.284838] ___might_sleep.cold+0xa6/0xb6 # [ 55.28940[ 63.151441] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 9] exit_signals+0x1c/0x2d0 # [ 55.293396] do_exit+0xd5/0xb0[ 63.159309] lkdtm: attempting bad refcount_dec() below zero 0 # [ 55.296898] ? ksys_write+0x68/0xe0 # [ 55.300781] r[ 63.171752] ------------[ cut here ]------------ [ 63.183118] refcount_t: decrement hit 0; leaking memory. ewind_stack_do_exit+0x17/0x20 # [ 55.305448] RIP: 0033:0x7f7d[ 63.189081] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 06dbdf33 # [ 55.309434] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 63.204595] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 63.237240] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 63.252109] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 63.258920] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 63.270871] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.330412] RSP: 002b:0[ 63.291859] RSP: 0018:ffffa16542bffe48 EFLAGS: 00010286 0007fffc79575e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 63.303909] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 55.338866] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0[ 63.318096] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 [ 63.332284] RBP: ffffffffb16bfdf3 R08: 0000000000000000 R09: 0000000000000000 [ 63.340257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 63.348228] R13: ffffa16542bfff10 R14: ffffa16542bfff10 R15: ffff9c9743e75000 0007f7d06dbdf33 # [ 55.346834] RDX: 000000000000000d RSI: 000[ 63.356225] FS: 00007fd176896580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 07f7d06cae000 RDI: 0000000000000001 # [ 55.354802] RBP: 00007[ 63.371488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.384120] CR2: 00007fd1766af000 CR3: 00000001033c8004 CR4: 00000000003706e0 f7d06cae000 R08: 00007f7d06cad010 R09: 0000000000000000 # [ 5[ 63.392094] Call Trace: 5.362769] R10: 00007f7d06eb81c0 R11: 0000000000000246 R12: 00000[ 63.401035] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 00000000001 # [ 55.370736] R13: 0000000000000001 R14: 0000000[ 63.412602] direct_entry.cold+0x2c/0x38 [ 63.423196] full_proxy_write+0x56/0x80 000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace[ 63.427482] vfs_write+0xea/0x390 [ 63.437392] ksys_write+0x68/0xe0 :': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lk[ 63.441095] do_syscall_64+0x33/0x40 [ 63.451295] entry_SYSCALL_64_after_hwframe+0x44/0xa9 dtm: EXEC_VMALLOC.sh # Killed # [ 55.463793] lkdtm: Performi[ 63.456937] RIP: 0033:0x7fd1767bef33 [ 63.467137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ng direct entry EXEC_VMALLOC # [ 55.471602] lkdtm: attempting[ 63.488124] RSP: 002b:00007ffc1faafec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.502789] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd1767bef33 [ 63.510750] RDX: 0000000000000016 RSI: 00007fd1766af000 RDI: 0000000000000001 [ 63.518721] RBP: 00007fd1766af000 R08: 00007fd1766ae010 R09: 0000000000000000 [ 63.526700] R10: 00007fd1768b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.534671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ok execution at ffffffffb06b2340 # [ 55.478126] lkdtm: attem[ 63.542658] irq event stamp: 0 [ 63.552279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 pting bad execution at ffffa165406cd000 # [ 55.484753] kernel[ 63.559284] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 tried to execute NX-protected page - exploit attempt? (uid: 0)[ 63.574633] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.493116] BUG: unable to handle page fault for address: [ 63.589983] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.603199] ---[ end trace 2d5dd325346e61cb ]--- [ 63.608357] lkdtm: Negative detected: saturated ffffa165406cd000 # [ 55.500793] #PF: supervisor instruction fetch in kernel mode # [ 55.507110] #PF: error_code(0x0011) - permissions violation # [ 55.513329] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1055f9067 PTE 8000000104d15063 # [ 55.522369] Oops: 0011 [#8] SMP PTI # [ 55.526259] CPU: 3 PID: 1734 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 55.534906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.541709] RIP: 0010:0xffffa165406cd000 # [ 55.546085] Code: Unable to access opcode bytes at RIP 0xffffa165406ccfd6. # [ 55.553761] RSP: 0018:ffffa1654243fe38 EFLAGS: 00010246 # [ 55.559593] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.567559] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 55.575528] RBP: ffffa165406cd000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.583495] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.591463] R13: ffffa1654243ff10 R14: fff[ 63.709049] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 63.720437] lkdtm: attempting bad refcount_dec_and_test() below zero [ 63.727543] ------------[ cut here ]------------ fa1654243ff10 R15: ffff9c9744d15000 # [ 55.599432] FS: 00007[ 63.732704] refcount_t: underflow; use-after-free. [ 63.744299] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 f6a1933f580(0000) GS:ffff9c97bad80000(0000) knlGS:00000000000000[ 63.753640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.786280] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 63.794963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.801773] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 63.807543] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 [ 63.828528] RSP: 0018:ffffa16542c97e40 EFLAGS: 00010286 [ 63.834368] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 63.842343] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 63.850317] RBP: ffffffffb16bfa48 R08: 0000000000000000 R09: 0000000000000000 00 # [ 55.608459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 63.858292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.872481] R13: ffffa16542c97f10 R14: ffffa16542c97f10 R15: ffff9c9745c23000 [ 63.880452] FS: 00007f72726fe580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 63.889492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.895912] CR2: 00007f7272517000 CR3: 0000000103656005 CR4: 00000000003706e0 [ 63.903884] Call Trace: [ 63.906614] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 63.912791] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 050033 # [ 55.614873] CR2: ffffa165406ccfd6 CR3: 000000010372[ 63.919030] direct_entry.cold+0x2c/0x38 [ 63.929618] full_proxy_write+0x56/0x80 [ 63.933927] vfs_write+0xea/0x390 [ 63.937643] ksys_write+0x68/0xe0 4005 CR4: 00000000003706e0 # [ 55.622839] Call Trace: # [ [ 63.941353] do_syscall_64+0x33/0x40 [ 63.951555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.957196] RIP: 0033:0x7f7272626f33 [ 63.961187] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.982172] RSP: 002b:00007ffd67944aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.990649] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7272626f33 [ 63.998621] RDX: 000000000000001f RSI: 00007f7272517000 RDI: 0000000000000001 [ 64.006591] RBP: 00007f7272517000 R08: 00007f7272516010 R09: 0000000000000000 [ 64.014555] R10: 00007f72727211c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.022526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.030500] irq event stamp: 0 [ 64.033908] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.040911] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.050049] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.059186] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.066185] ---[ end trace 2d5dd325346e61cc ]--- [ 64.071340] lkdtm: Negative detected: saturated 55.625568] ? execute_location+0x48/0x56 # [ 55.630041] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.634701] ? direct_entry.cold+0x2c/0x38 # [ 55.639274] ? full_proxy_write+0x56/0x80 # [ 55.643746] ? vfs_write+0xea/0x390 # [ 55.647652] ? ksys_write+0x68/0xe0 # [ 55.651542] ? do_syscall_64+0x33/0x40 # [ 55.655724] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.661557] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.688005] CR2: ffffa165406cd000 # [ 55.697913] ---[ end trace 2d5dd325346e61bd ]--- # [ 55.703069] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.707447] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 55.734639] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 55.740[ 64.179580] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 463] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000[ 64.189694] lkdtm: attempting bad refcount_sub_and_test() below zero 000000 # [ 55.748432] RDX: 0000000000000000 RSI: ffff9c97bad1[ 64.203009] ------------[ cut here ]------------ bf70 RDI: ffffffffb12d9a70 # [ 55.756397] RBP: ffffffffb171af[ 64.214372] refcount_t: underflow; use-after-free. 30 R08: 0000000000000001 R09: 0000000000000001 # [ 55.764364][ 64.225949] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 64.241486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 04 # [ 55.772333] R13: ffffa165414d7f10 R14: ffffa165414d7f10[ 64.274129] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 64.288998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.295808] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 R15: ffff9c9743694000 # [ 55.780301] FS: 00007f6a1933f580(0[ 64.301550] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 [ 64.328745] RSP: 0018:ffffa16542d1fe40 EFLAGS: 00010286 000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 55.[ 64.334583] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 64.348765] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 [ 64.356737] RBP: ffffffffb16bfa68 R08: 0000000000000000 R09: 0000000000000000 [ 64.364708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.372699] R13: ffffa16542d1ff10 R14: ffffa16542d1ff10 R15: ffff9c97433ab000 [ 64.380670] FS: 00007febcacfd580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 789339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.389711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.402341] CR2: 00007febcab16000 CR3: 0000000105cce005 CR4: 00000000003706e0 55.795752] CR2: ffffa165406ccfd6 CR3: 0000000103724005 CR4: 000[ 64.410313] Call Trace: 00000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 self[ 64.419256] __refcount_sub_and_test.constprop.0+0x34/0x40 tests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.s[ 64.431597] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 h # Killed # [ 55.898552] lkdtm: Performing direct entry EXE[ 64.444061] direct_entry.cold+0x2c/0x38 C_RODATA # [ 55.908963] lkdtm: attempting ok execution at fff[ 64.454660] full_proxy_write+0x56/0x80 fffffb06b2340 # [ 55.921733] lkdtm: attempting bad execution [ 64.465158] vfs_write+0xea/0x390 at ffffffffb12d9f00 # [ 55.934582] kernel tried to execute NX[ 64.475100] ksys_write+0x68/0xe0 -protected page - exploit attempt? (uid: 0) # [ 55.949115] BU[ 64.485017] do_syscall_64+0x33/0x40 G: unable to handle page fault for address: ffffffffb12d9f00 # [ 64.495224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.507081] RIP: 0033:0x7febcac25f33 [ 55.956792] #PF: supervisor instruction fetch in kernel mode[ 64.511072] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.963109] #PF: error_code(0x0011) - permissions violatio[ 64.538275] RSP: 002b:00007fffe8f6fea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 n # [ 55.969329] PGD 161229067 P4D 161229067 PUD 16122a063 PM[ 64.552947] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007febcac25f33 [ 64.567135] RDX: 000000000000001f RSI: 00007febcab16000 RDI: 0000000000000001 [ 64.575107] RBP: 00007febcab16000 R08: 00007febcab15010 R09: 0000000000000000 [ 64.583079] R10: 00007febcad201c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.591051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D 8000000160c000e1 # [ 55.977105] Oops: 0011 [#9] SMP PTI #[ 64.599025] irq event stamp: 0 [ 64.608654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.980996] CPU: 0 PID: 1770 Comm: cat Tainted: G D W [ 64.615662] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.631007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 5.10.126-cip11 #1 # [ 55.989654] Hardware name: Google[ 64.640146] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.653359] ---[ end trace 2d5dd325346e61cd ]--- [ 64.658516] lkdtm: Negative detected: saturated Rammus/Rammus, BIOS 09/04/2020 # [ 55.996460] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.002194] Code: ff ff df 92 cf b0 ff ff ff ff 72 ff 6b b1 ff ff ff ff 95 7a cf b0 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 # [ 56.023172] RSP: 0018:ffffa165424dfe48 EFLAGS: 00010246 # [ 56.029003] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.036970] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 # [ 56.044936] RBP: ffffffffb12d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 56.052904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.060871] R13: ffffa165424dff10 R14: ffffa165424dff10 R15: ffff9c97436ad000 # [ 56.068837] FS: 00007fec45d1258[ 64.743353] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 64.750716] lkdtm: attempting safe refcount_inc_not_zero() from zero 0(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ [ 64.757819] lkdtm: Good: zero detected 56.077872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.768220] lkdtm: Correctly stayed at zero [ 64.779104] lkdtm: attempting bad refcount_inc() from zero [ 56.084286] CR2: ffffffffb12d9f00 CR3: 00000001057c4005 CR4: [ 64.785232] ------------[ cut here ]------------ [ 64.796602] refcount_t: addition on 0; use-after-free. [ 64.802371] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 00000000003706f0 # [ 56.092253] Call Trace: # [ 56.094980][ 64.811706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.844365] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ? execute_location+0x48/0x56 # [ 56.099454] ? direct_entry[ 64.853027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.866043] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 64.871780] Code: 05 88 1d 76 01 01 e8 33 0c 93 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 1d 76 01 01 e8 14 0c 93 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b [ 64.892764] RSP: 0018:ffffa16542d8fe48 EFLAGS: 00010286 [ 64.898600] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 64.906570] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 64.914534] RBP: ffffffffb16bfe09 R08: 0000000000000000 R09: 0000000000000000 [ 64.922506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.930477] R13: ffffa16542d8ff10 R14: ffffa16542d8ff10 R15: ffff9c9744d22000 [ 64.938448] FS: 00007f96a9edf580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 64.947487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.953895] CR2: 00007f96a9cf8000 CR3: 000000010350a005 CR4: 00000000003706e0 [ 64.961858] Call Trace: [ 64.964587] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 64.969573] direct_entry.cold+0x2c/0x38 [ 64.973952] full_proxy_write+0x56/0x80 [ 64.978235] vfs_write+0xea/0x390 [ 64.981936] ksys_write+0x68/0xe0 [ 64.985652] do_syscall_64+0x33/0x40 .cold+0x2c/0x38 # [ 56.104025] ? full_proxy_write+0x56/0x80[ 64.989652] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.001505] RIP: 0033:0x7f96a9e07f33 [ 65.005496] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.026479] RSP: 002b:00007ffefe646a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.034938] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f96a9e07f33 [ 65.042910] RDX: 0000000000000012 RSI: 00007f96a9cf8000 RDI: 0000000000000001 [ 65.050882] RBP: 00007f96a9cf8000 R08: 00007f96a9cf7010 R09: 0000000000000000 # [ 56.108499] ? vfs_write+0xea/0x390 # [ 56.112389] ? k[ 65.058857] R10: 00007f96a9f021c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.073041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sys_write+0x68/0xe0 # [ 56.116279] ? do_syscall_64+0x33/0x40[ 65.081017] irq event stamp: 0 # [ 56.120453] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.090657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.103877] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.113016] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.122151] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.129151] ---[ end trace 2d5dd325346e61ce ]--- [ 65.134307] lkdtm: Zero detected: saturated # [ 56.126277] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.152708] CR2: ffffffffb12d9f00 # [ 56.156404] ---[ end trace 2d5dd325346e61be ]--- # [ 56.161558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.165934] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 56.186912] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 56.192744] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.200710] RDX: 0000000000000000 RSI: ffff9c97[ 65.214310] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.226130] lkdtm: attempting safe refcount_add_not_zero() from zero [ 65.233260] lkdtm: Good: zero detected [ 65.237446] lkdtm: Correctly stayed at zero [ 65.242116] lkdtm: attempting bad refcount_add() from zero [ 65.248242] ------------[ cut here ]------------ [ 65.253388] refcount_t: addition on 0; use-after-free. [ 65.259143] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 bad1bf70 RDI: ffffffffb12d9a70 # [ 56.208694] RBP: ffffffffb1[ 65.268481] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.301116] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 65.309768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.316574] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 65.322313] Code: 05 88 1d 76 01 01 e8 33 0c 93 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 1d 76 01 01 e8 14 0c 93 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b [ 65.343299] RSP: 0018:ffffa16542dffe48 EFLAGS: 00010286 [ 65.349158] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 71af30 R08: 0000000000000001 R09: 0000000000000001 # [ 56.216[ 65.357133] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 65.371321] RBP: ffffffffb16bfe1b R08: 0000000000000000 R09: 0000000000000000 [ 65.379325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.387299] R13: ffffa16542dfff10 R14: ffffa16542dfff10 R15: ffff9c9743699000 [ 65.395271] FS: 00007f854f13a580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 65.404313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.410759] CR2: 00007f854ef53000 CR3: 0000000105c06002 CR4: 00000000003706e0 663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 65.418747] Call Trace: [ 65.427699] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 65.432707] direct_entry.cold+0x2c/0x38 [ 65.437120] full_proxy_write+0x56/0x80 [ 65.441437] vfs_write+0xea/0x390 [ 65.445169] ksys_write+0x68/0xe0 [ 65.448873] do_syscall_64+0x33/0x40 [ 65.452895] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.458541] RIP: 0033:0x7f854f062f33 [ 65.462538] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.483524] RSP: 002b:00007ffebb42fd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.491982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f854f062f33 [ 65.499954] RDX: 0000000000000012 RSI: 00007f854ef53000 RDI: 0000000000000001 [ 65.507927] RBP: 00007f854ef53000 R08: 00007f854ef52010 R09: 0000000000000000 [ 65.515899] R10: 00007f854f15d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.523870] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.531845] irq event stamp: 0 [ 65.535282] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.542287] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.551447] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.560585] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.567586] ---[ end trace 2d5dd325346e61cf ]--- [ 65.572743] lkdtm: Zero detected: saturated 000004 # [ 56.224653] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 56.232622] FS: 00007fec45d12580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 56.241657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.248071] CR2: ffffffffb12d9f00 CR3: 00000001057c4005 CR4: 00000000003706f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.423388] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.430018] lkdtm: attempting ok execution at ffffffffb06b2340 # [ 56.436561] lkdtm: attempting bad execution at 00007f0b4da18000 # [ 56.443192] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.449617] BUG: unable to handle page fault for address: 00007f0b4da18000 # [ 56.457296] #PF: supervisor instruction fetch in kernel mode # [ 56.463613] #PF: error_code(0x0011) - permissions violation # [ 56.[ 65.669988] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 65.677508] lkdtm: attempting bad refcount_inc() from saturated [ 65.684145] ------------[ cut here ]------------ 469834] PGD 8000000102765067 P4D 8000000102765067 PUD 1054f5067 [ 65.689324] refcount_t: saturated; leaking memory. PMD 102a2e067 PTE 1168b8067 # [ 56.479554] Oops: 0011 [#10] S[ 65.700905] WARNING: CPU: 3 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 MP PTI # [ 56.483533] CPU: 2 PID: 1806 Comm: cat Tainted: G [ 65.716432] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.749074] CPU: 3 PID: 2384 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 65.757757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.764565] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 65.770326] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 [ 65.791314] RSP: 0018:ffffa16542e97e48 EFLAGS: 00010286 [ 65.797179] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 65.805153] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 65.813126] RBP: ffffffffb16bfe2d R08: 0000000000000000 R09: 0000000000000000 [ 65.821099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.829071] R13: ffffa16542e97f10 R14: ffffa16542e97f10 R15: ffff9c97457f6000 [ 65.837045] FS: 00007fa435177580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 65.846085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.852504] CR2: 00007fa434f90000 CR3: 00000001057ce003 CR4: 00000000003706e0 [ 65.860477] Call Trace: [ 65.863211] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 65.868704] direct_entry.cold+0x2c/0x38 [ 65.873116] full_proxy_write+0x56/0x80 [ 65.877403] vfs_write+0xea/0x390 [ 65.881133] ksys_write+0x68/0xe0 [ 65.884835] do_syscall_64+0x33/0x40 [ 65.888859] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.894504] RIP: 0033:0x7fa43509ff33 [ 65.898494] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.919480] RSP: 002b:00007ffda10239f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.927940] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa43509ff33 [ 65.935914] RDX: 0000000000000017 RSI: 00007fa434f90000 RDI: 0000000000000001 [ 65.943887] RBP: 00007fa434f90000 R08: 00007fa434f8f010 R09: 0000000000000000 [ 65.951859] R10: 00007fa43519a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.959833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.967810] irq event stamp: 0 [ 65.971248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 D W 5.10.126-cip11 #1 # [ 56.492180] Hardware nam[ 65.978253] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.498983] RIP:[ 65.993606] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.008963] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.015995] ---[ end trace 2d5dd325346e61d0 ]--- [ 66.021153] lkdtm: Saturation detected: still saturated 0010:0x7f0b4da18000 # [ 56.502969] Code: Unable to access opcode bytes at RIP 0x7f0b4da17fd6. # [ 56.510256] RSP: 0018:ffffa16542577e50 EFLAGS: 00010246 # [ 56.516089] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.524057] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 56.532025] RBP: 00007f0b4da18000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.539991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.547960] R13: ffffa16542577f10 R14: ffffa16542577f10 R15: ffff9c9740df0000 # [ 56.555928] FS: 00007f0b4d9e9580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 56.564963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.571377] CR2: 00007f0b4da18000 CR3: 0000000104e24002 CR4: 00000000003706e0 # [ 56.579343] Call Trace: # [ 56.582071] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 56.587418] ? direct_entry.cold+0x2c/0x38 # [ 56.591991] ? full_proxy_write+0x56/0x80 # [ 56.596464] ? vfs_write+0xea/0x390 # [ 56.600353] ? ksys_write+0x68/0xe0 # [ 56.604244] ? do_syscall_64+0x33/0x40 # [ 56.608427] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.614260] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.640708] CR2: 00007f0b4da18000 # [ 56.650617] ---[ end trace 2d5dd325346e61bf ]--- # [ 56.655771] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.660146] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 56.681123] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 56.686955] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.694923] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 56.702891] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 56.710859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.718826] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 56.726792] FS: 00007f0b4d9e9580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 56.735825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.742239] CR2: 00007f0b4da18000 CR3: 0000000104e24002 CR4: 00000000003706e0 # [ 56.750207] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.760116] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1806, name: cat # [ 56.768569] INFO: lockdep is turned off. # [ 56.772943] irq event stamp: 0 # [ 56.776347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.783346] hardirqs last disabled at (0): [] copy_process+0x63c/0x1[ 66.322639] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 66.333173] lkdtm: attempting bad refcount_dec() from saturated [ 66.339795] ------------[ cut here ]------------ c80 # [ 56.792478] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.801609] softirqs l[ 66.366473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ast disabled at (0): [<0000000000000000>] 0x0 # [ 56.808608] [ 66.399116] CPU: 3 PID: 2419 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 66.413978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.420809] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 66.426548] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 66.447532] RSP: 0018:ffffa16542f1fe48 EFLAGS: 00010286 [ 66.453369] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 66.461341] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 66.469312] RBP: ffffffffb16bfe44 R08: 0000000000000000 R09: 0000000000000000 [ 66.477282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.485253] R13: ffffa16542f1ff10 R14: ffffa16542f1ff10 R15: ffff9c9744d4e000 [ 66.493225] FS: 00007f89bd0c2580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 66.502264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.508681] CR2: 00007f89bcedb000 CR3: 000000010350a001 CR4: 00000000003706e0 [ 66.516673] Call Trace: [ 66.519403] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 66.524876] direct_entry.cold+0x2c/0x38 [ 66.529258] full_proxy_write+0x56/0x80 [ 66.533542] vfs_write+0xea/0x390 [ 66.537241] ksys_write+0x68/0xe0 [ 66.540942] do_syscall_64+0x33/0x40 [ 66.544933] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.550576] RIP: 0033:0x7f89bcfeaf33 [ 66.554566] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.575553] RSP: 002b:00007fff81ad17b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.584009] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f89bcfeaf33 [ 66.591982] RDX: 0000000000000017 RSI: 00007f89bcedb000 RDI: 0000000000000001 [ 66.599954] RBP: 00007f89bcedb000 R08: 00007f89bceda010 R09: 0000000000000000 [ 66.607925] R10: 00007f89bd0e51c0 R11: 0000000000000246 R12: 0000000000000001 CPU: 2 PID: 1806 Comm: cat Tainted: G D W 5.10.126-[ 66.615899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cip11 #1 # [ 56.817253] Hardware name: Google Rammus/Rammus, [ 66.630089] irq event stamp: 0 [ 66.639712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.646716] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.655877] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.665013] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.672014] ---[ end trace 2d5dd325346e61d1 ]--- [ 66.677169] lkdtm: Saturation detected: still saturated BIOS 09/04/2020 # [ 56.824054] Call Trace: # [ 56.826782] dump_stack+0x77/0x97 # [ 56.830478] ___might_sleep.cold+0xa6/0xb6 # [ 56.835041] exit_signals+0x1c/0x2d0 # [ 56.839028] do_exit+0xd5/0xb00 # [ 56.842529] ? ksys_write+0x68/0xe0 # [ 56.846420] rewind_stack_do_exit+0x17/0x20 # [ 56.851086] RIP: 0033:0x7f0b4d911f33 # [ 56.855074] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.876050] RSP: 002b:00007fff49417d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.884505] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f0b4d911f33 # [ 56.892473] RDX: 000000000000000f RSI: 00007f0b4d802000 RDI: 0000000000000001 # [ 56.900440] RBP: 00007f0b4d802000 R08: 00007f0b4d801010 R09: 00[ 66.764644] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00000000000000 # [ 56.908407] R10: 00007f0b4da0c1c0 R11: 0000[ 66.776865] lkdtm: attempting bad refcount_dec() from saturated 000000000246 R12: 0000000000000001 # [ 56.916373] R13: 000000[ 66.789725] ------------[ cut here ]------------ 0000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_U[ 66.801115] refcount_t: saturated; leaking memory. SERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_US[ 66.812703] WARNING: CPU: 0 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57[ 66.828252] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .083348] lkdtm: Performing direct entry EXEC_NULL # [ 57.0915[ 66.860914] CPU: 0 PID: 2454 Comm: cat Tainted: G D W 5.10.126-cip11 #1 35] lkdtm: attempting ok execution at ffffffffb06b2340 # [ 57[ 66.875768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .098063] lkdtm: attempting bad execution at 0000000000000000 # [ 66.888797] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 57.104687] BUG: kernel NULL pointer dereference, address: 00[ 66.900758] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 00000000000000 # [ 57.112470] #PF: supervisor instruction fet[ 66.928012] RSP: 0018:ffffa16542f97e48 EFLAGS: 00010286 ch in kernel mode # [ 57.118790] #PF: error_code(0x0010) - no[ 66.940016] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 t-present page # [ 57.124515] PGD 0 P4D 0 # [ 57.127339] [ 66.954252] RDX: ffff9c97bac2c660 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 Oops: 0010 [#11] SMP PTI # [ 57.131327] CPU: 2 PID: 1842 Comm[ 66.968431] RBP: ffffffffb16bfe5b R08: 0000000000000000 R09: 0000000000000000 : cat Tainted: G D W 5.10.126-cip11 #1 # [ 57.13[ 66.982629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 9965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 66.996812] R13: ffffa16542f97f10 R14: ffffa16542f97f10 R15: ffff9c9743715000 57.146768] RIP: 0010:0x0 # [ 57.149705] Code: Unable to ac[ 67.010998] FS: 00007f7e5a094580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 cess opcode bytes at RIP 0xffffffffffffffd6. # [ 57.157379] R[ 67.026253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 SP: 0018:ffffa16542607e48 EFLAGS: 00010246 # [ 57.163211] RAX[ 67.038892] CR2: 00007f7e59ead000 CR3: 00000001034e4005 CR4: 00000000003706f0 : 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.053078] Call Trace: # [ 57.171180] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI[ 67.062033] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 : ffff9c97bad1bf70 # [ 57.179146] RBP: 0000000000000000 R08: [ 67.073695] direct_entry.cold+0x2c/0x38 0000000000000000 R09: 0000000000000000 # [ 57.187111] R10: 00[ 67.084300] full_proxy_write+0x56/0x80 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ [ 67.094805] vfs_write+0xea/0x390 57.195078] R13: ffffa16542607f10 R14: ffffa16542607f10 R15: ff[ 67.104720] ksys_write+0x68/0xe0 ff9c97457cd000 # [ 57.203046] FS: 00007f79f24f5580(0000) GS:[ 67.114650] do_syscall_64+0x33/0x40 ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 57.212081] [ 67.124849] entry_SYSCALL_64_after_hwframe+0x44/0xa9 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.2184[ 67.136699] RIP: 0033:0x7f7e59fbcf33 95] CR2: ffffffffffffffd6 CR3: 0000000103584006 CR4: 00000000003[ 67.146921] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 706e0 # [ 57.226463] Call Trace: # [ 57.229190] execute_l[ 67.174120] RSP: 002b:00007ffe1e325a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ocation+0x48/0x56 # [ 57.233468] direct_entry.cold+0x2c/0x38[ 67.188788] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7e59fbcf33 # [ 57.237845] full_proxy_write+0x56/0x80 # [ 57.242125][ 67.202969] RDX: 0000000000000017 RSI: 00007f7e59ead000 RDI: 0000000000000001 vfs_write+0xea/0x390 # [ 57.245821] ksys_write+0x68/0xe0 [ 67.217164] RBP: 00007f7e59ead000 R08: 00007f7e59eac010 R09: 0000000000000000 # [ 57.249518] do_syscall_64+0x33/0x40 # [ 57.253496] ent[ 67.231378] R10: 00007f7e5a0b71c0 R11: 0000000000000246 R12: 0000000000000001 ry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.259133] RIP: 003[ 67.245558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3:0x7f79f241df33 # [ 57.263122] Code: 8b 15 61 ef 0c 00 f7 d8[ 67.259757] irq event stamp: 0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 67.269390] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 67.282632] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.284107] RSP[ 67.297982] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 : 002b:00007fffb40a5518 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 67.313332] softirqs last disabled at (0): [<0000000000000000>] 0x0 001 # [ 57.292591] RAX: ffffffffffffffda RBX: 000000000000000[ 67.326521] ---[ end trace 2d5dd325346e61d2 ]--- a RCX: 00007f79f241df33 # [ 57.300560] RDX: 000000000000000a [ 67.337937] lkdtm: Saturation detected: still saturated RSI: 00007f79f230e000 RDI: 0000000000000001 # [ 57.308528] RBP: 00007f79f230e000 R08: 00007f79f230d010 R09: 0000000000000000 # [ 57.316494] R10: 00007f79f25181c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.324461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.332430] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.358883] CR2: 0000000000000000 # [ 57.368790] ---[ end trace 2d5dd325346e61c0 ]--- # [ 57.373944] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.378320] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 57.399297] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 57.405129] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.413098] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 57.421064] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 57.429032] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.437000] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 57.444967] FS: 00007f79f24f5580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 57.454002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.460418] CR2: ffffffffffffffd6 CR3: 0000000103584006 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.559318] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.567903] lkdtm: attempting bad read at 00007f3426d1e000 # [ 57.574042] BUG: unable to handle page fault for address: 00007f3426d1e000 # [ 57.581726] #PF: supervisor read access in kernel mode # [ 57.587461] #PF: error_code(0x0001) - permissions violation # [ 57.593681] PGD 8000000104d89067 P4D 8000000104d89067 PUD 104d88067 PMD 105431067 PTE 112b0b067 # [ 57.603401] Oops: 0001 [#12] SMP PTI # [ 57.613601] CPU: 3 PID: 1877 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 57.622251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.629048] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 57.635269] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 90 0c 6c b1 e8 73 9d fd ff 48 c7 c7 b8 0c 6c b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 e0 0c 6c # [ 57.656238] RSP: 0018:ffffa165426afe48 EFLAGS: 00010246 # [ 57.662071] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.670038] RDX: 0000000000000000 RSI: ffff9c97bad9bf70 RDI: ffffffffb16c0cb8 # [ 57.678004] RBP: 00007f3426d1e000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.685971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.693939] R13: ffffa165426aff10 R14: ffffa165426aff10 R15: ffff9c9743546000 # [ 57.701905] FS: 00007f3426cef580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 57.710942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.717354] CR2: 00007f3426d1e000 CR3: 00000001032f8004 CR4: 00000000003706e0 # [ 57.725322] Call Trace: # [ 57.728049] direct_entry.cold+0x2c/0x38 # [ 57.732427] full_proxy_write+0x56/0x80 # [ 57.736707] vfs_write+0xea/0x390 # [ 57.740404] ksys_write+0x68/0xe0 # [ 57.744093] do_syscall_64+0x33/0x40 # [ 57.748079] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.753718] RIP: 0033:0x7f3426c17f33 # [ 57.757705] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.778700] RSP: 002b:00007ffcbcd3f458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.787151] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3426c17f33 # [ 57.795119] RDX: 0000000000000011 RSI: 00007f3426b08000 RDI: 0000000000000001 # [ 57.803086] RBP: 00007f3426b08000 R08: 00007f3426b07010 R09: 0000000000000000[ 67.778291] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 57.811052] R10: 00007f3426d121c0 R11: 0000000000000246 R1[ 67.790406] lkdtm: attempting bad refcount_inc_not_zero() from saturated 2: 0000000000000001 # [ 57.819017] R13: 0000000000000001 R14:[ 67.804106] ------------[ cut here ]------------ 0000000000020000 R15: 0000000000020000 # [ 57.826988] Module[ 67.815476] refcount_t: saturated; leaking memory. s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 67.827077] WARNING: CPU: 1 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_de[ 67.842592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify bugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_c[ 67.875230] CPU: 1 PID: 2486 Comm: cat Tainted: G D W 5.10.126-cip11 #1 hardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 67.890098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 57.853445] CR2: 00007f3426d1e000 # [ 57.863355] ---[ end tra[ 67.903124] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ce 2d5dd325346e61c1 ]--- # [ 57.868501] RIP: 0010:lkdtm_BUG+0[ 67.915079] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 x5/0x10 # [ 57.872876] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb[ 67.942280] RSP: 0018:ffffa1654302fe38 EFLAGS: 00010282 e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc [ 67.954331] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 67.968517] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 57.893857] RSP: 0018:ff[ 67.982706] RBP: ffffffffb16bfa88 R08: 0000000000000000 R09: 0000000000000000 ffa165414d7e60 EFLAGS: 00010282 # [ 57.899703] RAX: ffffffffb[ 67.996895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.90[ 68.011085] R13: ffffa1654302ff10 R14: ffffa1654302ff10 R15: ffff9c9743326000 7671] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb[ 68.025273] FS: 00007fc3c536b580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 12d9a70 # [ 57.915654] RBP: ffffffffb171af30 R08: 00000000000[ 68.040529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00001 R09: 0000000000000001 # [ 57.923619] R10: 00000000ffffe[ 68.053166] CR2: 00007fc3c5184000 CR3: 0000000103722005 CR4: 00000000003706e0 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.931586[ 68.067353] Call Trace: ] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694[ 68.076306] __refcount_add_not_zero.constprop.0+0x2a/0x31 000 # [ 57.939555] FS: 00007f3426cef580(0000) GS:ffff9c97bad[ 68.088663] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 80000(0000) knlGS:0000000000000000 # [ 57.948589] CS: 0010 D[ 68.101230] direct_entry.cold+0x2c/0x38 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.955003] CR2: 00[ 68.111828] full_proxy_write+0x56/0x80 007f3426d1e000 CR3: 00000001032f8004 CR4: 00000000003706e0 # AC[ 68.122328] vfs_write+0xea/0x390 CESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: A[ 68.132267] ksys_write+0x68/0xe0 CCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed[ 68.142164] do_syscall_64+0x33/0x40 # [ 58.062090] lkdtm: Performing direct entry ACCESS_NULL #[ 68.152368] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.164226] RIP: 0033:0x7fc3c5293f33 [ 58.068219] lkdtm: attempting bad read at 0000000000000000 [ 68.168216] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.195414] RSP: 002b:00007fffc7f04948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.080570] BUG: kernel NULL pointer dereference, address: [ 68.203875] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3c5293f33 [ 68.218061] RDX: 0000000000000020 RSI: 00007fc3c5184000 RDI: 0000000000000001 [ 68.226034] RBP: 00007fc3c5184000 R08: 00007fc3c5183010 R09: 0000000000000000 [ 68.234008] R10: 00007fc3c538e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.241982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000 # [ 58.094536] #PF: supervisor read access i[ 68.249958] irq event stamp: 0 [ 68.259605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 n kernel mode # [ 58.100270] #PF: error_code(0x0000) - not-pr[ 68.266610] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.281958] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 esent page # [ 58.106006] PGD 0 P4D 0 # [ 58.108829] Oops[ 68.291096] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.304310] ---[ end trace 2d5dd325346e61d3 ]--- [ 68.309466] lkdtm: Saturation detected: still saturated : 0000 [#13] SMP PTI # [ 58.112817] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 58.121455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.128261] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.133516] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e cb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 0c 6c b1 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 0c 6c b1 48 01 # [ 58.154495] RSP: 0018:ffffa1654274fe58 EFLAGS: 00010246 # [ 58.160328] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.168295] RDX: 0000000000000000 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 # [ 58.176265] RBP: ffffffffb16bfd81 R08: 0000000000000000 R09: 0000000000000000 # [ 58.184231] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 68.393704] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 68.403773] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 68.411262] ------------[ cut here ]------------ f R12: 000000000000000c # [ 58.192197] R13: ffffa1654274ff10 [ 68.416427] refcount_t: saturated; leaking memory. R14: ffffa1654274ff10 R15: ffff9c9744f37000 # [ 58.200166] FS[ 68.428003] WARNING: CPU: 2 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 68.443538] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 00007fa6bf443580(0000) GS:ffff9c97bac00000(0000) knlGS:000000[ 68.469999] CPU: 2 PID: 2518 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 68.484883] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000 # [ 58.209201] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 68.491702] RIP: 0010:refcount_warn_saturate+0x87/0xf0 00000080050033 # [ 58.215615] CR2: 0000000000000000 CR3: 0000[ 68.503659] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 [ 68.530859] RSP: 0018:ffffa1654307fe38 EFLAGS: 00010282 [ 68.536703] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.544666] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 68.552657] RBP: ffffffffb16bfaa8 R08: 0000000000000000 R09: 0000000000000000 0001034da003 CR4: 00000000003706f0 # [ 58.223583] Call Trace:[ 68.560630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.574814] R13: ffffa1654307ff10 R14: ffffa1654307ff10 R15: ffff9c97434d1000 [ 68.582788] FS: 00007fb3cd99b580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 68.591827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.598246] CR2: 00007fb3cd7b4000 CR3: 0000000105cce003 CR4: 00000000003706e0 [ 68.606217] Call Trace: [ 68.608939] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 68.615069] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 68.621392] direct_entry.cold+0x2c/0x38 [ 68.625774] full_proxy_write+0x56/0x80 [ 68.630057] vfs_write+0xea/0x390 [ 68.633757] ksys_write+0x68/0xe0 [ 68.637458] do_syscall_64+0x33/0x40 [ 68.641449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.647091] RIP: 0033:0x7fb3cd8c3f33 [ 68.651081] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.672064] RSP: 002b:00007fffe5358488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.680522] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb3cd8c3f33 [ 68.688494] RDX: 0000000000000020 RSI: 00007fb3cd7b4000 RDI: 0000000000000001 [ 68.696466] RBP: 00007fb3cd7b4000 R08: 00007fb3cd7b3010 R09: 0000000000000000 # [ 58.226316] direct_entry.cold+0x2c/0x38 # [ 58.230699[ 68.704439] R10: 00007fb3cd9be1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.718623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] full_proxy_write+0x56/0x80 # [ 58.234984] vfs_write+0xea/[ 68.726600] irq event stamp: 0 [ 68.736219] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0x390 # [ 58.238671] ksys_write+0x68/0xe0 # [ 58.242360] [ 68.743225] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.758582] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.767751] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.774753] ---[ end trace 2d5dd325346e61d4 ]--- [ 68.779908] lkdtm: Saturation detected: still saturated do_syscall_64+0x33/0x40 # [ 58.246348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.251977] RIP: 0033:0x7fa6bf36bf33 # [ 58.255965] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.276935] RSP: 002b:00007ffd717cefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.285390] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa6bf36bf33 # [ 58.293358] RDX: 000000000000000c RSI: 00007fa6bf25c000 RDI: 0000000000000001 # [ 58.301324] RBP: 00007fa6bf25c000 R08: 00007fa6bf25b010 R09: 0000000000000000 # [ 58.309293] R10: 00007fa6bf4661c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.317259] R13: 0000000000000001 R14: 0000000000020000[ 68.864994] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 68.874257] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 68.881759] ------------[ cut here ]------------ [ 68.886926] refcount_t: underflow; use-after-free. [ 68.892311] WARNING: CPU: 2 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 R15: 0000000000020000 # [ 58.325228] Modules linked in: fuse[ 68.901651] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.934290] CPU: 2 PID: 2553 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 68.942974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.949783] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 68.955524] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 [ 68.976511] RSP: 0018:ffffa16543137e40 EFLAGS: 00010286 [ 68.982349] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 68.990322] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 [ 69.004510] RBP: ffffffffb16bfac8 R08: 0000000000000000 R09: 0000000000000000 [ 69.012483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.020455] R13: ffffa16543137f10 R14: ffffa16543137f10 R15: ffff9c974372c000 [ 69.028425] FS: 00007fcafa0fd580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 [ 69.037456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.043896] CR2: 00007fcaf9f16000 CR3: 00000001034e2002 CR4: 00000000003706e0 ggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sen[ 69.051880] Call Trace: [ 69.060821] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 69.066974] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 69.073297] direct_entry.cold+0x2c/0x38 [ 69.077692] full_proxy_write+0x56/0x80 [ 69.082006] vfs_write+0xea/0x390 [ 69.085706] ksys_write+0x68/0xe0 [ 69.089406] do_syscall_64+0x33/0x40 [ 69.093398] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.099040] RIP: 0033:0x7fcafa025f33 [ 69.103028] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.124014] RSP: 002b:00007ffc7697e348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.132471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcafa025f33 [ 69.140442] RDX: 0000000000000020 RSI: 00007fcaf9f16000 RDI: 0000000000000001 [ 69.148413] RBP: 00007fcaf9f16000 R08: 00007fcaf9f15010 R09: 0000000000000000 [ 69.156385] R10: 00007fcafa1201c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.164357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.172330] irq event stamp: 0 [ 69.175738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.182743] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.191881] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.201019] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.208019] ---[ end trace 2d5dd325346e61d5 ]--- [ 69.213167] lkdtm: Saturation detected: still saturated sorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.351662] CR2: 0000000000000000 # [ 58.355358] ---[ end trace 2d5dd325346e61c2 ]--- # [ 58.360503] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.364878] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 58.385856] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 58.391688] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.399656] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 58.407623] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 58.415591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.423559] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 58.431526] FS: 00007fa6bf443580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 58.440561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.446975] CR2: 0000000000000000 CR3: 00000001034da003 CR4: 00000000003706f0 # [ 58.454944] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.464846] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1912, name: cat # [ 58.473298] INFO: lockdep is turned off. # [ 58.477673] irq event stamp: 0 # [ 58.481076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.488075] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.497209] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.506341] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.513339] CPU: 0 PID: 1912 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 58.521979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.528780] Call Trace: # [ 58.531508] dump_stack+0x77/0x97 # [ 58.535204] ___might_sleep.cold+0xa6/0xb6 # [ 58.539776] exit_signals+0x1c/0x2d0 # [ 58.543763] do_exit+0xd5/0xb00 # [ 58.547266] ? ksys_write+0x68/0xe0 # [ 58.551149] rewind_stack_do_exit+0x17/0x20 # [ 58.555817] RIP: 0033:0x7fa6bf36bf33 # [ 58.559803] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.580783] RSP: 002b:00007ffd717cefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.589237] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa6bf36bf33 # [ 58.597205] RDX: 000000000000000c RSI: 00007fa6bf25c000 RDI: 0000000000000001 # [ 58.605173] RBP: 00007fa6bf25c000 R08: 00007fa6bf25b010 R09: 0000000000000000 # [ 58.613140] R10: 00007fa6bf4661c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.621107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.757362] lkdtm: Performing direct entry WRITE_RO # [ 58.765058] lkdtm: attempting bad rodata write at ffffffffb12d9ef0 # [ 58.771970] BUG: unable to handle page fault for address: ffffffffb12d9ef0 # [ 58.779655] #PF: supervisor write access in kernel mode # [ 58.785490] #PF: error_code(0x0003) - permissions violation # [ 58.791710] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 8000000160c000e1 # [ 58.799490] Oops: 0003 [#14] SMP PTI # [ 58.809690] CPU: 2 PID: 1947 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 58.818342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.825138] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.830098] Code: 00 48 c7 c7 70 0b 6c b1 48 c7 c6 f0 9e 2d b1 e8 93 9f fd ff 48 8b 05 10 21 5e 00 ba 34 12 cd ab 48 c7 c7 a0 0b 6c b1 48 31 d0 <48> 89 05 fa 20 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 # [ 58.857291] RSP: 0018:ffffa165427dfe60 EFLAGS: 00010202 # [ 58.863115] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.871083] RDX: 00000000abcd1234 RSI: ffff9c97bad1bf70 RDI: ffffffffb16c0ba0 # [ 58.879049] RBP: ffffffffb16bfd8d R08: 0000000000000000 R09: 0000000000000000 # [ 58.887017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.894983] R13: ffffa165427dff10 R14: ffffa165427dff10 R15: ffff9c97433b8000 # [ 58.902951] FS: 00007ff5354ff580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 58.911985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.918398] CR2: ffffffffb12d9ef0 CR3: 00000001055bc002 CR4: 00000000003706e0 # [ 58.926366] Call Trace: # [ 58.929094] direct_entry.cold+0x2c/0x38 # [ 58.933472] full_proxy_write+0x56/0x80 # [ 58.937753] vfs_write+0xea/0x390 # [ 58.941450] ksys_write+0x68/0xe0 # [ 58.945137] do_syscall_64+0x33/0x40 # [ 58.949124] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.954753] RIP: 0033:0x7ff535427f33 # [ 58.958739] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.979717] RSP: 002b:00007ffec4fc2948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.988170] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff535427f33 # [ 58.996138] RDX: 0000000000000009 RSI: 00007ff535318000 RDI: 0000000000000001 # [ 59.004107] RBP: 00007ff535318000 R08: 00007ff535317010 R09: 0000000000000000 # [ 59.012073] R10: 00007ff5355221c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.020039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.028008] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.054456] CR2: ffffffffb12d9ef0 # [ 59.064364] ---[ end trace 2d5dd325346e61c3 ]--- # [ 59.069517] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.073890] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 59.094868] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 59.100710] RAX: ffffffffb06b[ 69.871697] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 69.883800] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 69.891291] ------------[ cut here ]------------ [ 69.896477] refcount_t: underflow; use-after-free. [ 69.901854] WARNING: CPU: 3 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.10867[ 69.911196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.943828] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 69.952479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.959287] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 69.965027] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 [ 69.986009] RSP: 0018:ffffa165431cfe40 EFLAGS: 00010286 [ 69.991845] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 69.999817] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 [ 70.007788] RBP: ffffffffb16bfae8 R08: 0000000000000000 R09: 0000000000000000 [ 70.015761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.023732] R13: ffffa165431cff10 R14: ffffa165431cff10 R15: ffff9c974410c000 [ 70.031699] FS: 00007f9e0ba32580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 [ 70.040739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.047157] CR2: 00007f9e0b84b000 CR3: 0000000104ece003 CR4: 00000000003706e0 [ 70.055126] Call Trace: [ 70.057857] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 70.064008] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 70.070330] direct_entry.cold+0x2c/0x38 [ 70.074712] full_proxy_write+0x56/0x80 [ 70.079019] vfs_write+0xea/0x390 [ 70.082717] ksys_write+0x68/0xe0 [ 70.086415] do_syscall_64+0x33/0x40 [ 70.090406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.096048] RIP: 0033:0x7f9e0b95af33 [ 70.100038] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.121019] RSP: 002b:00007ffea9ee2048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.129477] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9e0b95af33 [ 70.137445] RDX: 0000000000000020 RSI: 00007f9e0b84b000 RDI: 0000000000000001 [ 70.145408] RBP: 00007f9e0b84b000 R08: 00007f9e0b84a010 R09: 0000000000000000 6] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d[ 70.153383] R10: 00007f9e0ba551c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.167570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9a70 # [ 59.116651] RBP: ffffffffb171af30 R08: 00000000000000[ 70.175548] irq event stamp: 0 [ 70.185162] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.192166] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.201305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.210443] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.217444] ---[ end trace 2d5dd325346e61d6 ]--- [ 70.222600] lkdtm: Saturation detected: still saturated 01 R09: 0000000000000001 # [ 59.124620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.132587] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 59.140555] FS: 00007ff5354ff580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 59.149590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.156004] CR2: ffffffffb12d9ef0 CR3: 00000001055bc002 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.273551] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.282462] lkdtm: attempting bad ro_after_init write at ffffffffb173b328 # [ 59.296276] BUG: unable to handle page fault for address: ffffffffb173b328 # [ 59.310135] #PF: supervisor write access in kernel mode # [ 59.315967] #PF: error_code(0x0003) - permissions violation # [ 59.322189] PGD 161229067 P4D 161229067 PUD 16122a063 PMD 104c20063 PTE 800000016113b061 # [ 59.331233] Oops: 0003 [#15] SMP PTI # [ 59.335222] CPU: 0 PID: 1982 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 59.343870] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.350675] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.356706] Code: 0b 6c b1 e9 45 9f fd ff 48 c7 c7 f8 0b 6c b1 e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 a0 0b 6c b1 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.377683] RSP: 0018:ffffa16542867e60 EFLAGS: 00010202 # [ 59.383515] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.391482] RDX: 00000000abcd1234 RSI: ffff9c97bac1bf70 RDI: ffffffff[ 70.390250] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO b16c0ba0 # [ 59.399448] RBP: ffffffffb16bfd96 R08: 0000000000[ 70.403041] lkdtm: attempting good copy_to_user of correct size 000000 R09: 0000000000000000 # [ 59.407418] R10: 00000000ffff[ 70.415911] lkdtm: attempting bad copy_to_user of too large size e000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.415386] R13: ffffa16542867f10 R14: ffffa16542867f10 R15: ffff9c974377c000 # [ 59.423354] FS: 00007ff08eb8b580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 59.432389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.438804] CR2: ffffffffb173b328 CR3: 0000000105d60005 CR4: 00000000003706f0 # [ 59.446770] Call Trace: # [ 59.449497] direct_entry.cold+0x2c/0x38 # [ 59.453875] full_proxy_write+0x56/0x80 # [ 59.458161] vfs_write+0xea/0x390 # [ 59.461857] ksys_write+0x68/0xe0 # [ 59.465553] do_syscall_64+0x33/0x40 # [ 59.469541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.475169] RIP: 0033:0x7ff08eab3f33 # [ 59.479156] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.500125] RSP: 002b:00007fff254c1ae8 EFLAGS: 00000246 ORIG_RAX: 00000[ 70.523565] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 00000000001 # [ 59.508578] RAX: ffffffffffffffda RBX: 0000000[ 70.535162] lkdtm: attempting good copy_from_user of correct size 000000014 RCX: 00007ff08eab3f33 # [ 59.516545] RDX: 000000000[ 70.548209] lkdtm: attempting bad copy_from_user of too large size 0000014 RSI: 00007ff08e9a4000 RDI: 0000000000000001 # [ 59.524511] RBP: 00007ff08e9a4000 R08: 00007ff08e9a3010 R09: 0000000000000000 # [ 59.532478] R10: 00007ff08ebae1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.540444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.548414] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.574850] CR2: ffffffffb173b328 # [ 59.578537] ---[ end trace 2d5dd325346e61c4 ]--- # [ 59.583690] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.588055] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 59.609033] RSP:[ 70.648888] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 70.661748] lkdtm: attempting good copy_to_user inside whitelist [ 70.668485] lkdtm: attempting bad copy_to_user outside whitelist 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 59.614864] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.622831] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 59.630798] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 59.638765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.646733] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 59.654700] FS: 00007ff08eb8b580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 59.663735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.670149] CR2: ffffffffb173b328 CR3: 0000000105d60005 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59.805008] lkdtm: Performing direct entry WRITE_KERN # [ 59.814383] lkdtm: attempting bad 6576666 byte write at ffffffffb0cf7d5a # [ 59.828094] BUG: unable to handle page fault for address: ffffffffb0cf7d5a # [ 59.841957] #PF: supervisor write access in kernel mode # [ 59.847790] #PF: e[ 70.782302] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM rror_code(0x0003) - permissions violation # [ 59.854010] PGD [ 70.794511] lkdtm: attempting good copy_from_user inside whitelist 161229067 P4D 161229067 PUD 16122a063 PMD 1606000e1 # [ 59.8[ 70.807652] lkdtm: attempting bad copy_from_user outside whitelist 61108] Oops: 0003 [#16] SMP PTI # [ 59.865087] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 59.873726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.880532] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.885691] Code: 53 48 c7 c3 5a 7d cf b0 49 89 dc 48 89 da 49 81 ec 40 23 6b b0 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 6b b0 a4 48 c7 c7 a0 0b 6c b1 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.906659] RSP: 0018:ffffa165428e7e50 EFLAGS: 00010246 # [ 59.912491] RAX: 000000000000003c RBX: ffffffffb0cf7d5a RCX: 0000000000645a1a # [ 59.920459] RDX: 0000000000000000 RSI: ffffffffb06b2340 RDI: ffffffffb0cf7d5a # [ 59.928427] RBP: ffffffffb16bfdaa R08: 0000000000000000 R09: 0000000000000000 # [ 59.936395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000645a1a # [ 59.944363] R13: ffffa165428e7f10 R14: ffffa165428e7f10 R15: ffff9c9743458000 # [ 59.952331] FS: 00007f91caa8a580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 59.961366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.967780] CR2: ffffffffb0cf7d5a CR3: 0000000104082004 CR4: 00000000003706f0 # [ 59.975748] Call Trace: # [ 59.978474] direct_entry.cold+0x2c/0x38 # [ 59.982858] full_proxy_write+0x56/0x80 # [ 59.987142] vfs_write+0xea/0x390 # [ 59.990829] ksys_write+0x68/0xe0 # [ 59.994525] do_syscall_64+0x33/0x40 # [ 59.998512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.004150] RIP: 0033:0x7f91ca9b2f33 # [ 60.008128] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.029106] RSP: 002b:00007ffe5740c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.037559] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f91ca9b2f33 # [ 60.045526] RDX: 000000000000000b RSI: 00007f91ca8a3000 RDI: 0000000000000001 # [ 60.053493] RBP: 00007f91ca8a3000 R08: 00007f91ca8a2010 R09: 0000000000000000 # [ 60.061460] R10: 00007f91caaad1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.069428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.077398] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev [ 71.062538] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.073449] lkdtm: good_stack: ffffa165435c7e20-ffffa165435c7e40 [ 71.080190] lkdtm: bad_stack : ffffa165435c7da8-ffffa165435c7dc8 [ 71.086923] lkdtm: attempting good copy_to_user of local stack [ 71.093453] lkdtm: attempting bad copy_to_user of distant stack x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.103831] CR2: ffffffffb0cf7d5a # [ 60.107528] ---[ end trace 2d5dd325346e61c5 ]--- # [ 60.112673] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.117049] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 60.138030] RSP: 0018:ffffa165414d7e60 EFLAGS: 00010282 # [ 60.143861] RAX: ffffffffb06b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.151830] RDX: 0000000000000000 RSI: ffff9c97bad1bf70 RDI: ffffffffb12d9a70 # [ 60.159798] RBP: ffffffffb171af30 R08: 0000000000000001 R09: 0000000000000001 # [ 60.167765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.175732] R13: ffffa165414d7f10 R14: ffffa165414d7f10 R15: ffff9c9743694000 # [ 60.183699] FS: 00007f91caa8a580(0000) GS:ffff9c97bac00000(0[ 71.189538] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 71.200485] lkdtm: good_stack: ffffa165434d7e20-ffffa165434d7e40 [ 71.207213] lkdtm: bad_stack : ffffa165434d7da8-ffffa165434d7dc8 [ 71.213953] lkdtm: attempting good copy_from_user of local stack 000) knlGS:0000000000000000 # [ 60.192735] CS: 0010 DS: 0000[ 71.220682] lkdtm: attempting bad copy_from_user of distant stack ES: 0000 CR0: 0000000080050033 # [ 60.199151] CR2: ffffffffb0cf7d5a CR3: 0000000104082004 CR4: 00000000003706f0 # [ 60.207119] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.217029] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2017, name: cat # [ 60.225481] INFO: lockdep is turned off. # [ 60.229855] irq event stamp: 0 # [ 60.233258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.240256] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.249390] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.258513] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.265511] CPU: 0 PID: 2017 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 60.274156] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 71.320266] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 60.280958] Call Trace: # [ 60.283686] dump_stack+0x77[ 71.327488] lkdtm: good_stack: ffffa16543727e20-ffffa16543727e40 /0x97 # [ 60.287383] ___might_sleep.cold+0xa6/0xb6 # [ 60[ 71.340409] lkdtm: bad_stack : ffffa16543727ff8-ffffa16543728018 .291955] exit_signals+0x1c/0x2d0 # [ 60.295941] do_exit+0xd[ 71.353343] lkdtm: attempting good copy_to_user of local stack 5/0xb00 # [ 60.299443] ? ksys_write+0x68/0xe0 # [ 60.3033[ 71.366085] lkdtm: attempting bad copy_to_user of distant stack 25] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.308768] r[ 71.378895] lkdtm: copy_to_user failed, but lacked Oops ewind_stack_do_exit+0x17/0x20 # [ 60.313435] RIP: 0033:0x7f91ca9b2f33 # [ 60.317413] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.338391] RSP: 002b:00007ffe5740c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.346837] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f91ca9b2f33 # [ 60.354804] RDX: 000000000000000b RSI: 00007f91ca8a3000 RDI: 0000000000000001 # [ 60.362770] RBP: 00007f91ca8a3000 R08: 00007f91ca8a2010 R09: 0000000000000000 # [ 60.370737] R10: 00007f91caaad1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.378704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.497272] lkdtm: Performing di[ 71.482059] lkdtm: Performing direct entry USERCOPY_KERNEL [ 71.490312] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb12d9f10 [ 71.498997] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb00d1460 [ 71.507385] lkdtm: FAIL: survived bad copy_to_user() rect entry REFCOUNT_INC_OVERFLOW # [ 60.505299] lkdtm: attempting good refcount_inc() without overflow # [ 60.518424] lkdtm: attempting bad refcount_inc() overflow # [ 60.530661] ------------[ cut here ]------------ # [ 60.535816] refcount_t: saturated; leaking memory. # [ 60.547405] WARNING: CPU: 1 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 60.562923] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.595559] CPU: 1 PID: 2052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 60.604212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.617231] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.629186] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 # [ 60.650193] RSP: 0018:ffffa16542967e48 EFLAGS: 000[ 71.621471] lkdtm: Performing direct entry STACKLEAK_ERASING [ 71.631179] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 71.639072] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 10286 # [ 60.662242] RAX: 0000000000000000 RBX: 0000000000000[ 71.646861] lkdtm: FAIL: the thread stack is NOT properly erased [ 71.659783] CPU: 2 PID: 2953 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 71.668431] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.675233] Call Trace: [ 71.677964] dump_stack+0x77/0x97 [ 71.681662] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 71.686816] direct_entry.cold+0x2c/0x38 [ 71.691186] full_proxy_write+0x56/0x80 [ 71.695467] vfs_write+0xea/0x390 [ 71.699163] ksys_write+0x68/0xe0 [ 71.702860] do_syscall_64+0x33/0x40 [ 71.706847] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.712486] RIP: 0033:0x7f1baee4ef33 [ 71.716473] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.737451] RSP: 002b:00007ffe503c8928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.745906] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1baee4ef33 [ 71.753875] RDX: 0000000000000012 RSI: 00007f1baed3f000 RDI: 0000000000000001 [ 71.761843] RBP: 00007f1baed3f000 R08: 00007f1baed3e010 R09: 0000000000000000 [ 71.769809] R10: 00007f1baef491c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.777775] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 02b RCX: 0000000000000000 # [ 60.676431] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 # [ 60.690621] RBP: ffffffffb16bfdb5 R08: 0000000000000000 R09: 0000000000000000 # [ 60.704809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.718997] R13: ffffa16542967f10 R14: ffffa16542967f10 R15: ffff9c974403c000 # [ 60.733182] FS: 00007fd816ed7580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 60.748443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.761072] CR2: 00007fd816cf0000 CR3: 0000000103326002 CR4: 00000000003706e0 # [ 60.775257] Call Trace: # [ 60.784205] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 60.795769] direct_entry.cold+0x2c/0x38 # [ 60.806365] full_proxy_write+0x56/0x80 # [ 60.816863] vfs_write+0xea/0x390 # [ 60.826778] ksys_write+0x68/0xe0 # [ 60.836695] do_sysca[ 71.870533] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 71.879125] lkdtm: Calling matched prototype ... [ 71.884288] lkdtm: Calling mismatched prototype ... [ 71.889741] lkdtm: Fail: survived mismatched prototype function call! ll_64+0x33/0x40 # [ 60.846902] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.858762] RIP: 0033:0x7fd816dfff33 # [ 60.868970] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.896175] RSP: 002b:00007ffd013b2878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.910851] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd816dfff33 # [ 60.925042] RDX: 0000000000000016 RSI: 00007fd816cf0000 RDI: 0000000000000001 # [ 60.939231] RBP: 00007fd816cf0000 R08: 00007fd816cef010 R09: 0000000000000000 # [ 60.953420] R10: 00007fd816efa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.967611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.981805] irq event stamp: 0 # [ 60.991430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.004652] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.020007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.020008] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.020010] ---[ end trace 2d5dd325346e61c6 ]--- # [ 61.053735] 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 # [ 61.195257] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.202346] lkdtm: attempting good refcount_add() without overflow # [ 61.209270] lkdtm: attempting bad refcount_add() overflow # [ 61.215317] ------------[ cut here ]------------ # [ 61.220488] refcount_t: saturated; leaking memory. # [ 61.225879] WARNING: CPU: 3 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 61.235226] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.261701] CPU: 3 PID: 2084 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 61.270354] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.283379] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 61.289148] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 # [ 61.310131] RSP: 0018:ffffa165429ffe48 EFLAGS: 00010286 # [ 61.315967] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.323944] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 61.331947] RBP: ffffffffb16bfdcb R08: 0000000000000000 R09: 0000000000000000 # [ 61.346125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.354094] R13: ffffa165429fff10 R14: ffffa165429fff10 R15: ffff9c9745d93000 # [ 61.362065] FS: 00007fc3e3c6e580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 61.371103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.377520] CR2: 00007fc3e3a87000 CR3: 00000001034e4005 CR4: 00000000003706e0 # [ 61.385489] Call Trace: # [ 61.388218] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 61.393593] direct_entry.cold+0x2c/0x38 # [ 61.397974] full_proxy_write+0x56/0x80 # [ 61.402256] vfs_write+0xea/0x390 # [ 61.405956] ksys_write+0x68/0xe0 # [ 61.409659] do_syscall_64+0x33/0x40 # [ 61.413653] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.425504] RIP: 0033:0x7fc3e3b96f33 # [ 61.429494] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.450475] RSP: 002b:00007ffff688a808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.458932] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc3e3b96f33 # [ 61.466904] RDX: 0000000000000016 RSI: 00007fc3e3a87000 RDI: 0000000000000001 # [ 61.474875] RBP: 00007fc3e3a87000 R08: 00007fc3e3a86010 R09: 0000000000000000 # [ 61.482847] R10: 00007fc3e3c911c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.490818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.498790] irq event stamp: 0 # [ 61.502196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.509190] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.518328] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.527463] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.534455] ---[ end trace 2d5dd325346e61c7 ]--- # [ 61.539612] 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 # [ 61.657084] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.670350] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.677265] ------------[ cut here ]------------ # [ 61.682425] refcount_t: saturated; leaking memory. # [ 61.687783] WARNING: CPU: 2 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.697145] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.723610] CPU: 2 PID: 2116 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 61.738468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.745274] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.751012] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 # [ 61.771995] RSP: 0018:ffffa165429f7e38 EFLAGS: 00010282 # [ 61.777831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.785801] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 61.793771] RBP: ffffffffb16bfa08 R08: 0000000000000000 R09: 0000000000000000 # [ 61.801731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.809703] R13: ffffa165429f7f10 R14: ffffa165429f7f10 R15: ffff9c9742653000 # [ 61.817687] FS: 00007f467e60b580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 61.826759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.839393] CR2: 00007f467e424000 CR3: 0000000105648001 CR4: 00000000003706e0 # [ 61.847389] Call Trace: # [ 61.850122] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.856279] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.862527] direct_entry.cold+0x2c/0x38 # [ 61.866907] full_proxy_write+0x56/0x80 # [ 61.871214] vfs_write+0xea/0x390 # [ 61.874937] ksys_write+0x68/0xe0 # [ 61.878664] do_syscall_64+0x33/0x40 # [ 61.888884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.894535] RIP: 0033:0x7f467e533f33 # [ 61.904734] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.925720] RSP: 002b:00007ffc8abc70e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.934177] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f467e533f33 # [ 61.942147] RDX: 000000000000001f RSI: 00007f467e424000 RDI: 0000000000000001 # [ 61.950119] RBP: 00007f467e424000 R08: 00007f467e423010 R09: 0000000000000000 # [ 61.958091] R10: 00007f467e62e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.966062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.974038] irq event stamp: 0 # [ 61.977476] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.984480] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.993618] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.002757] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.009758] ---[ end trace 2d5dd325346e61c8 ]--- # [ 62.014913] 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 # [ 62.115133] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.127058] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.133980] ------------[ cut here ]------------ # [ 62.139161] refcount_t: saturated; leaking memory. # [ 62.150734] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 62.166264] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.192724] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 62.207608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.214429] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 62.226374] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 # [ 62.247356] RSP: 0018:ffffa16542b07e38 EFLAGS: 00010282 # [ 62.253189] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.261153] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 62.269122] RBP: ffffffffb16bfa28 R08: 0000000000000000 R09: 0000000000000000 # [ 62.277083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.285053] R13: ffffa16542b07f10 R14: ffffa16542b07f10 R15: ffff9c9745dc1000 # [ 62.293025] FS: 00007f42625c8580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 62.302063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.308480] CR2: 00007f42623e1000 CR3: 0000000103782002 CR4: 00000000003706e0 # [ 62.316452] Call Trace: # [ 62.319182] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 62.325332] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 62.331556] direct_entry.cold+0x2c/0x38 # [ 62.335936] full_proxy_write+0x56/0x80 # [ 62.340219] vfs_write+0xea/0x390 # [ 62.343917] ksys_write+0x68/0xe0 # [ 62.347617] do_syscall_64+0x33/0x40 # [ 62.351656] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.357298] RIP: 0033:0x7f42624f0f33 # [ 62.361288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.382270] RSP: 002b:00007fffac607b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.390727] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f42624f0f33 # [ 62.398705] RDX: 000000000000001f RSI: 00007f42623e1000 RDI: 0000000000000001 # [ 62.406667] RBP: 00007f42623e1000 R08: 00007f42623e0010 R09: 0000000000000000 # [ 62.414662] R10: 00007f42625eb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.422636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.436822] irq event stamp: 0 # [ 62.446441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.453445] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.468790] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.477928] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.484927] ---[ end trace 2d5dd325346e61c9 ]--- # [ 62.490083] 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 # [ 62.581429] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 62.588510] lkdtm: attempting good refcount_dec() # [ 62.599978] lkdtm: attempting bad refcount_dec() to zero # [ 62.612129] ------------[ cut here ]------------ # [ 62.623500] refcount_t: decrement hit 0; leaking memory. # [ 62.635685] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 62.651208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.683850] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 62.698717] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.711746] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.723702] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.750903] RSP: 0018:ffffa16542b97e48 EFLAGS: 00010286 # [ 62.762952] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.770926] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 # [ 62.778922] RBP: ffffffffb16bfde1 R08: 0000000000000000 R09: 0000000000000000 # [ 62.793115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.807300] R13: ffffa16542b97f10 R14: ffffa16542b97f10 R15: ffff9c9744f2b000 # [ 62.815273] FS: 00007f533e52b580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 62.824313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.836942] CR2: 00007f533e344000 CR3: 00000001043c0006 CR4: 00000000003706e0 # [ 62.844914] Call Trace: # [ 62.847660] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 62.858829] direct_entry.cold+0x2c/0x38 # [ 62.869448] full_proxy_write+0x56/0x80 # [ 62.879947] vfs_write+0xea/0x390 # [ 62.883687] ksys_write+0x68/0xe0 # [ 62.893581] do_syscall_64+0x33/0x40 # [ 62.897597] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.909448] RIP: 0033:0x7f533e453f33 # [ 62.913439] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.940659] RSP: 002b:00007ffdc9f944d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.955336] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f533e453f33 # [ 62.963310] RDX: 0000000000000012 RSI: 00007f533e344000 RDI: 0000000000000001 # [ 62.971282] RBP: 00007f533e344000 R08: 00007f533e343010 R09: 0000000000000000 # [ 62.979253] R10: 00007f533e54e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.987224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.995202] irq event stamp: 0 # [ 63.004838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.018058] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.033411] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.042550] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.055761] ---[ end trace 2d5dd325346e61ca ]--- # [ 63.060919] 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 # [ 63.151441] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.159309] lkdtm: attempting bad refcount_dec() below zero # [ 63.171752] ------------[ cut here ]------------ # [ 63.183118] refcount_t: decrement hit 0; leaking memory. # [ 63.189081] WARNING: CPU: 1 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.204595] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.237240] CPU: 1 PID: 2215 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 63.252109] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.258920] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.270871] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.291859] RSP: 0018:ffffa16542bffe48 EFLAGS: 00010286 # [ 63.303909] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.318096] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 # [ 63.332284] RBP: ffffffffb16bfdf3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.340257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.348228] R13: ffffa16542bfff10 R14: ffffa16542bfff10 R15: ffff9c9743e75000 # [ 63.356225] FS: 00007fd176896580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 63.371488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.384120] CR2: 00007fd1766af000 CR3: 00000001033c8004 CR4: 00000000003706e0 # [ 63.392094] Call Trace: # [ 63.401035] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 63.412602] direct_entry.cold+0x2c/0x38 # [ 63.423196] full_proxy_write+0x56/0x80 # [ 63.427482] vfs_write+0xea/0x390 # [ 63.437392] ksys_write+0x68/0xe0 # [ 63.441095] do_syscall_64+0x33/0x40 # [ 63.451295] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.456937] RIP: 0033:0x7fd1767bef33 # [ 63.467137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.488124] RSP: 002b:00007ffc1faafec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.502789] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd1767bef33 # [ 63.510750] RDX: 0000000000000016 RSI: 00007fd1766af000 RDI: 0000000000000001 # [ 63.518721] RBP: 00007fd1766af000 R08: 00007fd1766ae010 R09: 0000000000000000 # [ 63.526700] R10: 00007fd1768b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.534671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.542658] irq event stamp: 0 # [ 63.552279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.559284] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.574633] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.589983] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.603199] ---[ end trace 2d5dd325346e61cb ]--- # [ 63.608357] 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 # [ 63.709049] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.720437] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.727543] ------------[ cut here ]------------ # [ 63.732704] refcount_t: underflow; use-after-free. # [ 63.744299] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.753640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.786280] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 63.794963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.801773] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 63.807543] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 # [ 63.828528] RSP: 0018:ffffa16542c97e40 EFLAGS: 00010286 # [ 63.834368] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 63.842343] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 63.850317] RBP: ffffffffb16bfa48 R08: 0000000000000000 R09: 0000000000000000 # [ 63.858292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.872481] R13: ffffa16542c97f10 R14: ffffa16542c97f10 R15: ffff9c9745c23000 # [ 63.880452] FS: 00007f72726fe580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 63.889492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.895912] CR2: 00007f7272517000 CR3: 0000000103656005 CR4: 00000000003706e0 # [ 63.903884] Call Trace: # [ 63.906614] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 63.912791] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 63.919030] direct_entry.cold+0x2c/0x38 # [ 63.929618] full_proxy_write+0x56/0x80 # [ 63.933927] vfs_write+0xea/0x390 # [ 63.937643] ksys_write+0x68/0xe0 # [ 63.941353] do_syscall_64+0x33/0x40 # [ 63.951555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.957196] RIP: 0033:0x7f7272626f33 # [ 63.961187] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.982172] RSP: 002b:00007ffd67944aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.990649] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7272626f33 # [ 63.998621] RDX: 000000000000001f RSI: 00007f7272517000 RDI: 0000000000000001 # [ 64.006591] RBP: 00007f7272517000 R08: 00007f7272516010 R09: 0000000000000000 # [ 64.014555] R10: 00007f72727211c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.022526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.030500] irq event stamp: 0 # [ 64.033908] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.040911] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.050049] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.059186] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.066185] ---[ end trace 2d5dd325346e61cc ]--- # [ 64.071340] 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 # [ 64.179580] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.189694] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.203009] ------------[ cut here ]------------ # [ 64.214372] refcount_t: underflow; use-after-free. # [ 64.225949] WARNING: CPU: 1 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 64.241486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.274129] CPU: 1 PID: 2285 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 64.288998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.295808] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 64.301550] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 # [ 64.328745] RSP: 0018:ffffa16542d1fe40 EFLAGS: 00010286 # [ 64.334583] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.348765] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 # [ 64.356737] RBP: ffffffffb16bfa68 R08: 0000000000000000 R09: 0000000000000000 # [ 64.364708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.372699] R13: ffffa16542d1ff10 R14: ffffa16542d1ff10 R15: ffff9c97433ab000 # [ 64.380670] FS: 00007febcacfd580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 64.389711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.402341] CR2: 00007febcab16000 CR3: 0000000105cce005 CR4: 00000000003706e0 # [ 64.410313] Call Trace: # [ 64.419256] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 64.431597] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 64.444061] direct_entry.cold+0x2c/0x38 # [ 64.454660] full_proxy_write+0x56/0x80 # [ 64.465158] vfs_write+0xea/0x390 # [ 64.475100] ksys_write+0x68/0xe0 # [ 64.485017] do_syscall_64+0x33/0x40 # [ 64.495224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.507081] RIP: 0033:0x7febcac25f33 # [ 64.511072] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.538275] RSP: 002b:00007fffe8f6fea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.552947] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007febcac25f33 # [ 64.567135] RDX: 000000000000001f RSI: 00007febcab16000 RDI: 0000000000000001 # [ 64.575107] RBP: 00007febcab16000 R08: 00007febcab15010 R09: 0000000000000000 # [ 64.583079] R10: 00007febcad201c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.591051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.599025] irq event stamp: 0 # [ 64.608654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.615662] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.631007] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.640146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.653359] ---[ end trace 2d5dd325346e61cd ]--- # [ 64.658516] 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 # [ 64.743353] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 64.750716] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 64.757819] lkdtm: Good: zero detected # [ 64.768220] lkdtm: Correctly stayed at zero # [ 64.779104] lkdtm: attempting bad refcount_inc() from zero # [ 64.785232] ------------[ cut here ]------------ # [ 64.796602] refcount_t: addition on 0; use-after-free. # [ 64.802371] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 64.811706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.844365] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 64.853027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.866043] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 64.871780] Code: 05 88 1d 76 01 01 e8 33 0c 93 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 1d 76 01 01 e8 14 0c 93 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b # [ 64.892764] RSP: 0018:ffffa16542d8fe48 EFLAGS: 00010286 # [ 64.898600] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 64.906570] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 64.914534] RBP: ffffffffb16bfe09 R08: 0000000000000000 R09: 0000000000000000 # [ 64.922506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.930477] R13: ffffa16542d8ff10 R14: ffffa16542d8ff10 R15: ffff9c9744d22000 # [ 64.938448] FS: 00007f96a9edf580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 64.947487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.953895] CR2: 00007f96a9cf8000 CR3: 000000010350a005 CR4: 00000000003706e0 # [ 64.961858] Call Trace: # [ 64.964587] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 64.969573] direct_entry.cold+0x2c/0x38 # [ 64.973952] full_proxy_write+0x56/0x80 # [ 64.978235] vfs_write+0xea/0x390 # [ 64.981936] ksys_write+0x68/0xe0 # [ 64.985652] do_syscall_64+0x33/0x40 # [ 64.989652] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.001505] RIP: 0033:0x7f96a9e07f33 # [ 65.005496] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.026479] RSP: 002b:00007ffefe646a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.034938] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f96a9e07f33 # [ 65.042910] RDX: 0000000000000012 RSI: 00007f96a9cf8000 RDI: 0000000000000001 # [ 65.050882] RBP: 00007f96a9cf8000 R08: 00007f96a9cf7010 R09: 0000000000000000 # [ 65.058857] R10: 00007f96a9f021c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.073041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.081017] irq event stamp: 0 # [ 65.090657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.103877] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.113016] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.122151] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.129151] ---[ end trace 2d5dd325346e61ce ]--- # [ 65.134307] 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 # [ 65.214310] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.226130] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.233260] lkdtm: Good: zero detected # [ 65.237446] lkdtm: Correctly stayed at zero # [ 65.242116] lkdtm: attempting bad refcount_add() from zero # [ 65.248242] ------------[ cut here ]------------ # [ 65.253388] refcount_t: addition on 0; use-after-free. # [ 65.259143] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 65.268481] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.301116] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 65.309768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.316574] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 65.322313] Code: 05 88 1d 76 01 01 e8 33 0c 93 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 1d 76 01 01 e8 14 0c 93 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b # [ 65.343299] RSP: 0018:ffffa16542dffe48 EFLAGS: 00010286 # [ 65.349158] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 65.357133] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 65.371321] RBP: ffffffffb16bfe1b R08: 0000000000000000 R09: 0000000000000000 # [ 65.379325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.387299] R13: ffffa16542dfff10 R14: ffffa16542dfff10 R15: ffff9c9743699000 # [ 65.395271] FS: 00007f854f13a580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 65.404313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.410759] CR2: 00007f854ef53000 CR3: 0000000105c06002 CR4: 00000000003706e0 # [ 65.418747] Call Trace: # [ 65.427699] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 65.432707] direct_entry.cold+0x2c/0x38 # [ 65.437120] full_proxy_write+0x56/0x80 # [ 65.441437] vfs_write+0xea/0x390 # [ 65.445169] ksys_write+0x68/0xe0 # [ 65.448873] do_syscall_64+0x33/0x40 # [ 65.452895] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.458541] RIP: 0033:0x7f854f062f33 # [ 65.462538] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.483524] RSP: 002b:00007ffebb42fd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.491982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f854f062f33 # [ 65.499954] RDX: 0000000000000012 RSI: 00007f854ef53000 RDI: 0000000000000001 # [ 65.507927] RBP: 00007f854ef53000 R08: 00007f854ef52010 R09: 0000000000000000 # [ 65.515899] R10: 00007f854f15d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.523870] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.531845] irq event stamp: 0 # [ 65.535282] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.542287] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.551447] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.560585] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.567586] ---[ end trace 2d5dd325346e61cf ]--- # [ 65.572743] 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 # [ 65.669988] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 65.677508] lkdtm: attempting bad refcount_inc() from saturated # [ 65.684145] ------------[ cut here ]------------ # [ 65.689324] refcount_t: saturated; leaking memory. # [ 65.700905] WARNING: CPU: 3 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.716432] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.749074] CPU: 3 PID: 2384 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 65.757757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.764565] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.770326] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 # [ 65.791314] RSP: 0018:ffffa16542e97e48 EFLAGS: 00010286 # [ 65.797179] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.805153] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 65.813126] RBP: ffffffffb16bfe2d R08: 0000000000000000 R09: 0000000000000000 # [ 65.821099] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.829071] R13: ffffa16542e97f10 R14: ffffa16542e97f10 R15: ffff9c97457f6000 # [ 65.837045] FS: 00007fa435177580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 65.846085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.852504] CR2: 00007fa434f90000 CR3: 00000001057ce003 CR4: 00000000003706e0 # [ 65.860477] Call Trace: # [ 65.863211] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 65.868704] direct_entry.cold+0x2c/0x38 # [ 65.873116] full_proxy_write+0x56/0x80 # [ 65.877403] vfs_write+0xea/0x390 # [ 65.881133] ksys_write+0x68/0xe0 # [ 65.884835] do_syscall_64+0x33/0x40 # [ 65.888859] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.894504] RIP: 0033:0x7fa43509ff33 # [ 65.898494] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.919480] RSP: 002b:00007ffda10239f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.927940] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa43509ff33 # [ 65.935914] RDX: 0000000000000017 RSI: 00007fa434f90000 RDI: 0000000000000001 # [ 65.943887] RBP: 00007fa434f90000 R08: 00007fa434f8f010 R09: 0000000000000000 # [ 65.951859] R10: 00007fa43519a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.959833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.967810] irq event stamp: 0 # [ 65.971248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.978253] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.993606] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.008963] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.015995] ---[ end trace 2d5dd325346e61d0 ]--- # [ 66.021153] 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 # [ 66.322639] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.333173] lkdtm: attempting bad refcount_dec() from saturated # [ 66.339795] ------------[ cut here ]------------ # [ 66.344965] refcount_t: decrement hit 0; leaking memory. # [ 66.357136] WARNING: CPU: 3 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 66.366473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.399116] CPU: 3 PID: 2419 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 66.413978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.420809] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 66.426548] Code: ff 48 c7 c7 d0 b8 65 b1 c6 05 04 1d 76 01 01 e8 b3 0b 93 00 0f 0b c3 48 c7 c7 a0 b8 65 b1 c6 05 ef 1c 76 01 01 e8 9d 0b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 66.447532] RSP: 0018:ffffa16542f1fe48 EFLAGS: 00010286 # [ 66.453369] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 66.461341] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 66.469312] RBP: ffffffffb16bfe44 R08: 0000000000000000 R09: 0000000000000000 # [ 66.477282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.485253] R13: ffffa16542f1ff10 R14: ffffa16542f1ff10 R15: ffff9c9744d4e000 # [ 66.493225] FS: 00007f89bd0c2580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 66.502264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.508681] CR2: 00007f89bcedb000 CR3: 000000010350a001 CR4: 00000000003706e0 # [ 66.516673] Call Trace: # [ 66.519403] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 66.524876] direct_entry.cold+0x2c/0x38 # [ 66.529258] full_proxy_write+0x56/0x80 # [ 66.533542] vfs_write+0xea/0x390 # [ 66.537241] ksys_write+0x68/0xe0 # [ 66.540942] do_syscall_64+0x33/0x40 # [ 66.544933] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.550576] RIP: 0033:0x7f89bcfeaf33 # [ 66.554566] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.575553] RSP: 002b:00007fff81ad17b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.584009] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f89bcfeaf33 # [ 66.591982] RDX: 0000000000000017 RSI: 00007f89bcedb000 RDI: 0000000000000001 # [ 66.599954] RBP: 00007f89bcedb000 R08: 00007f89bceda010 R09: 0000000000000000 # [ 66.607925] R10: 00007f89bd0e51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.615899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.630089] irq event stamp: 0 # [ 66.639712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.646716] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.655877] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.665013] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.672014] ---[ end trace 2d5dd325346e61d1 ]--- # [ 66.677169] 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 # [ 66.764644] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 66.776865] lkdtm: attempting bad refcount_dec() from saturated # [ 66.789725] ------------[ cut here ]------------ # [ 66.801115] refcount_t: saturated; leaking memory. # [ 66.812703] WARNING: CPU: 0 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.828252] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.860914] CPU: 0 PID: 2454 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 66.875768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.888797] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.900758] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b8 65 b1 c6 05 88 1d 76 01 01 e8 33 0c 93 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b8 65 b1 c6 05 68 # [ 66.928012] RSP: 0018:ffffa16542f97e48 EFLAGS: 00010286 # [ 66.940016] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.954252] RDX: ffff9c97bac2c660 RSI: ffff9c97bac1bf70 RDI: ffff9c97bac1bf70 # [ 66.968431] RBP: ffffffffb16bfe5b R08: 0000000000000000 R09: 0000000000000000 # [ 66.982629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.996812] R13: ffffa16542f97f10 R14: ffffa16542f97f10 R15: ffff9c9743715000 # [ 67.010998] FS: 00007f7e5a094580(0000) GS:ffff9c97bac00000(0000) knlGS:0000000000000000 # [ 67.026253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.038892] CR2: 00007f7e59ead000 CR3: 00000001034e4005 CR4: 00000000003706f0 # [ 67.053078] Call Trace: # [ 67.062033] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 67.073695] direct_entry.cold+0x2c/0x38 # [ 67.084300] full_proxy_write+0x56/0x80 # [ 67.094805] vfs_write+0xea/0x390 # [ 67.104720] ksys_write+0x68/0xe0 # [ 67.114650] do_syscall_64+0x33/0x40 # [ 67.124849] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.136699] RIP: 0033:0x7f7e59fbcf33 # [ 67.146921] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.174120] RSP: 002b:00007ffe1e325a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.188788] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7e59fbcf33 # [ 67.202969] RDX: 0000000000000017 RSI: 00007f7e59ead000 RDI: 0000000000000001 # [ 67.217164] RBP: 00007f7e59ead000 R08: 00007f7e59eac010 R09: 0000000000000000 # [ 67.231378] R10: 00007f7e5a0b71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.245558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.259757] irq event stamp: 0 # [ 67.269390] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.282632] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.297982] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.313332] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.326521] ---[ end trace 2d5dd325346e61d2 ]--- # [ 67.337937] 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 # [ 67.778291] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 67.790406] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 67.804106] ------------[ cut here ]------------ # [ 67.815476] refcount_t: saturated; leaking memory. # [ 67.827077] WARNING: CPU: 1 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.842592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.875230] CPU: 1 PID: 2486 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 67.890098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.903124] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.915079] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 # [ 67.942280] RSP: 0018:ffffa1654302fe38 EFLAGS: 00010282 # [ 67.954331] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.968517] RDX: ffff9c97bacac660 RSI: ffff9c97bac9bf70 RDI: ffff9c97bac9bf70 # [ 67.982706] RBP: ffffffffb16bfa88 R08: 0000000000000000 R09: 0000000000000000 # [ 67.996895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.011085] R13: ffffa1654302ff10 R14: ffffa1654302ff10 R15: ffff9c9743326000 # [ 68.025273] FS: 00007fc3c536b580(0000) GS:ffff9c97bac80000(0000) knlGS:0000000000000000 # [ 68.040529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.053166] CR2: 00007fc3c5184000 CR3: 0000000103722005 CR4: 00000000003706e0 # [ 68.067353] Call Trace: # [ 68.076306] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.088663] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.101230] direct_entry.cold+0x2c/0x38 # [ 68.111828] full_proxy_write+0x56/0x80 # [ 68.122328] vfs_write+0xea/0x390 # [ 68.132267] ksys_write+0x68/0xe0 # [ 68.142164] do_syscall_64+0x33/0x40 # [ 68.152368] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.164226] RIP: 0033:0x7fc3c5293f33 # [ 68.168216] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.195414] RSP: 002b:00007fffc7f04948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.203875] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3c5293f33 # [ 68.218061] RDX: 0000000000000020 RSI: 00007fc3c5184000 RDI: 0000000000000001 # [ 68.226034] RBP: 00007fc3c5184000 R08: 00007fc3c5183010 R09: 0000000000000000 # [ 68.234008] R10: 00007fc3c538e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.241982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.249958] irq event stamp: 0 # [ 68.259605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.266610] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.281958] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.291096] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.304310] ---[ end trace 2d5dd325346e61d3 ]--- # [ 68.309466] 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 # [ 68.393704] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 68.403773] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 68.411262] ------------[ cut here ]------------ # [ 68.416427] refcount_t: saturated; leaking memory. # [ 68.428003] WARNING: CPU: 2 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 68.443538] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.469999] CPU: 2 PID: 2518 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 68.484883] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.491702] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 68.503659] Code: 05 68 1d 76 01 01 e8 14 0c 93 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b8 65 b1 c6 05 4b 1d 76 01 01 e8 f5 0b 93 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 # [ 68.530859] RSP: 0018:ffffa1654307fe38 EFLAGS: 00010282 # [ 68.536703] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.544666] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 68.552657] RBP: ffffffffb16bfaa8 R08: 0000000000000000 R09: 0000000000000000 # [ 68.560630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.574814] R13: ffffa1654307ff10 R14: ffffa1654307ff10 R15: ffff9c97434d1000 # [ 68.582788] FS: 00007fb3cd99b580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 68.591827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.598246] CR2: 00007fb3cd7b4000 CR3: 0000000105cce003 CR4: 00000000003706e0 # [ 68.606217] Call Trace: # [ 68.608939] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.615069] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.621392] direct_entry.cold+0x2c/0x38 # [ 68.625774] full_proxy_write+0x56/0x80 # [ 68.630057] vfs_write+0xea/0x390 # [ 68.633757] ksys_write+0x68/0xe0 # [ 68.637458] do_syscall_64+0x33/0x40 # [ 68.641449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.647091] RIP: 0033:0x7fb3cd8c3f33 # [ 68.651081] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.672064] RSP: 002b:00007fffe5358488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.680522] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb3cd8c3f33 # [ 68.688494] RDX: 0000000000000020 RSI: 00007fb3cd7b4000 RDI: 0000000000000001 # [ 68.696466] RBP: 00007fb3cd7b4000 R08: 00007fb3cd7b3010 R09: 0000000000000000 # [ 68.704439] R10: 00007fb3cd9be1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.718623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.726600] irq event stamp: 0 # [ 68.736219] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.743225] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.758582] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.767751] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.774753] ---[ end trace 2d5dd325346e61d4 ]--- # [ 68.779908] 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 # [ 68.864994] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.874257] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.881759] ------------[ cut here ]------------ # [ 68.886926] refcount_t: underflow; use-after-free. # [ 68.892311] WARNING: CPU: 2 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.901651] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.934290] CPU: 2 PID: 2553 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 68.942974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.949783] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.955524] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 # [ 68.976511] RSP: 0018:ffffa16543137e40 EFLAGS: 00010286 # [ 68.982349] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.990322] RDX: ffff9c97bad2c660 RSI: ffff9c97bad1bf70 RDI: ffff9c97bad1bf70 # [ 69.004510] RBP: ffffffffb16bfac8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.012483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.020455] R13: ffffa16543137f10 R14: ffffa16543137f10 R15: ffff9c974372c000 # [ 69.028425] FS: 00007fcafa0fd580(0000) GS:ffff9c97bad00000(0000) knlGS:0000000000000000 # [ 69.037456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.043896] CR2: 00007fcaf9f16000 CR3: 00000001034e2002 CR4: 00000000003706e0 # [ 69.051880] Call Trace: # [ 69.060821] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.066974] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 69.073297] direct_entry.cold+0x2c/0x38 # [ 69.077692] full_proxy_write+0x56/0x80 # [ 69.082006] vfs_write+0xea/0x390 # [ 69.085706] ksys_write+0x68/0xe0 # [ 69.089406] do_syscall_64+0x33/0x40 # [ 69.093398] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.099040] RIP: 0033:0x7fcafa025f33 # [ 69.103028] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.124014] RSP: 002b:00007ffc7697e348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.132471] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcafa025f33 # [ 69.140442] RDX: 0000000000000020 RSI: 00007fcaf9f16000 RDI: 0000000000000001 # [ 69.148413] RBP: 00007fcaf9f16000 R08: 00007fcaf9f15010 R09: 0000000000000000 # [ 69.156385] R10: 00007fcafa1201c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.164357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.172330] irq event stamp: 0 # [ 69.175738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.182743] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.191881] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.201019] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.208019] ---[ end trace 2d5dd325346e61d5 ]--- # [ 69.213167] 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 # [ 69.871697] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.883800] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.891291] ------------[ cut here ]------------ # [ 69.896477] refcount_t: underflow; use-after-free. # [ 69.901854] WARNING: CPU: 3 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.911196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sensorhub cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.943828] CPU: 3 PID: 2588 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 69.952479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.959287] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.965027] Code: 05 4b 1d 76 01 01 e8 f5 0b 93 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b8 65 b1 c6 05 29 1d 76 01 01 e8 d6 0b 93 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b8 65 # [ 69.986009] RSP: 0018:ffffa165431cfe40 EFLAGS: 00010286 # [ 69.991845] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 69.999817] RDX: ffff9c97badac660 RSI: ffff9c97bad9bf70 RDI: ffff9c97bad9bf70 # [ 70.007788] RBP: ffffffffb16bfae8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.015761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.023732] R13: ffffa165431cff10 R14: ffffa165431cff10 R15: ffff9c974410c000 # [ 70.031699] FS: 00007f9e0ba32580(0000) GS:ffff9c97bad80000(0000) knlGS:0000000000000000 # [ 70.040739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.047157] CR2: 00007f9e0b84b000 CR3: 0000000104ece003 CR4: 00000000003706e0 # [ 70.055126] Call Trace: # [ 70.057857] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 70.064008] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 70.070330] direct_entry.cold+0x2c/0x38 # [ 70.074712] full_proxy_write+0x56/0x80 # [ 70.079019] vfs_write+0xea/0x390 # [ 70.082717] ksys_write+0x68/0xe0 # [ 70.086415] do_syscall_64+0x33/0x40 # [ 70.090406] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.096048] RIP: 0033:0x7f9e0b95af33 # [ 70.100038] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.121019] RSP: 002b:00007ffea9ee2048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.129477] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9e0b95af33 # [ 70.137445] RDX: 0000000000000020 RSI: 00007f9e0b84b000 RDI: 0000000000000001 # [ 70.145408] RBP: 00007f9e0b84b000 R08: 00007f9e0b84a010 R09: 0000000000000000 # [ 70.153383] R10: 00007f9e0ba551c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.167570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.175548] irq event stamp: 0 # [ 70.185162] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.192166] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.201305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.210443] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.217444] ---[ end trace 2d5dd325346e61d6 ]--- # [ 70.222600] 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 # [ 70.390250] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.403041] lkdtm: attempting good copy_to_user of correct size # [ 70.415911] 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 # [ 70.523565] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.535162] lkdtm: attempting good copy_from_user of correct size # [ 70.548209] 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 # [ 70.648888] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.661748] lkdtm: attempting good copy_to_user inside whitelist # [ 70.668485] 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 # [ 70.782302] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.794511] lkdtm: attempting good copy_from_user inside whitelist # [ 70.807652] 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 # [ 71.062538] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.073449] lkdtm: good_stack: ffffa165435c7e20-ffffa165435c7e40 # [ 71.080190] lkdtm: bad_stack : ffffa165435c7da8-ffffa165435c7dc8 # [ 71.086923] lkdtm: attempting good copy_to_user of local stack # [ 71.093453] 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 # [ 71.189538] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.200485] lkdtm: good_stack: ffffa165434d7e20-ffffa165434d7e40 # [ 71.207213] lkdtm: bad_stack : ffffa165434d7da8-ffffa165434d7dc8 # [ 71.213953] lkdtm: attempting good copy_from_user of local stack # [ 71.220682] 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 # [ 71.320266] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.327488] lkdtm: good_stack: ffffa16543727e20-ffffa16543727e40 # [ 71.340409] lkdtm: bad_stack : ffffa16543727ff8-ffffa16543728018 # [ 71.353343] lkdtm: attempting good copy_to_user of local stack # [ 71.366085] lkdtm: attempting bad copy_to_user of distant stack # [ 71.378895] 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 # [ 71.482059] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.490312] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb12d9f10 # [ 71.498997] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb00d1460 # [ 71.507385] 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 # [ 71.621471] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.631179] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.639072] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.646861] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.659783] CPU: 2 PID: 2953 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 71.668431] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.675233] Call Trace: # [ 71.677964] dump_stack+0x77/0x97 # [ 71.681662] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 71.686816] direct_entry.cold+0x2c/0x38 # [ 71.691186] full_proxy_write+0x56/0x80 # [ 71.695467] vfs_write+0xea/0x390 # [ 71.699163] ksys_write+0x68/0xe0 # [ 71.702860] do_syscall_64+0x33/0x40 # [ 71.706847] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.712486] RIP: 0033:0x7f1baee4ef33 # [ 71.716473] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.737451] RSP: 002b:00007ffe503c8928 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.745906] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1baee4ef33 # [ 71.753875] RDX: 0000000000000012 RSI: 00007f1baed3f000 RDI: 0000000000000001 # [ 71.761843] RBP: 00007f1baed3f000 R08: 00007f1baed3e010 R09: 0000000000000000 # [ 71.769809] R10: 00007f1baef491c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.777775] 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 # [ 71.870533] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.879125] lkdtm: Calling matched prototype ... # [ 71.884288] lkdtm: Calling mismatched prototype ... # [ 71.889741] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #