[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 26964 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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 #3 Initializing CPU #2 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 #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 375943 run 171386 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: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: 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 8970 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8964 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 8963 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 8962 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90928 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107715 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 14152 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 14157 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 22370 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 53520 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 13869 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 11323 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 9266 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10041 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465997 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486109 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 825824 exit 39238 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: 02 APIC: 03 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 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: 02 APIC: 03 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 2114526 exit 31 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 230 run 139322 exit 18170 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 30835 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 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 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2250 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 23475 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 23817 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24472 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: 02: enabled 1 APIC: 03: 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 2022-10-15 09:10:55 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-15 09:10:55 UTC ELOG: Event(92) added with size 9 at 2022-10-15 09:10:55 UTC ELOG: Event(9A) added with size 9 at 2022-10-15 09:10:55 UTC ELOG: Event(AD) added with size 10 at 2022-10-15 09:10:55 UTC ELOG: Event(9F) added with size 14 at 2022-10-15 09:10:55 UTC BS: BS_DEV_INIT times (us): entry 0 run 417127 exit 60012 ELOG: Event(A1) added with size 10 at 2022-10-15 09:10:55 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-15 09:10:55 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 25678 run 3970 exit 5203 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 ddc9 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 534074 exit 146894 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 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 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 618 run 261932 exit 135692 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 7591781/tftp-deploy-eym9_jvs/kernel/bzImage 7591781/tftp-deploy-eym9_jvs/kernel/cmdline 7591781/tftp-deploy-eym9_jvs/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7591781/tftp-deploy-eym9_jvs/kernel/bzImaoy-eym9_jvs/kernel/cmdline 7591781/tftp-deploy-eym9_jvs/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7591781/tftp-deploy-eym9_jvs/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################# done. The bootfile was 13867264 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: 7591781/tftp-deploy-eym9_jvs/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/7591781/extract-nfsrootfs-yqbbhlqb,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: 19474632 Starting kernel ... [ 0.000000] Linux version 5.10.147-cip18 (KernelCI@build-j314655-x86-64-gcc-10-x86-64-defconfig-x86-chromeboomhzgk) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Oct 15 08:40:06 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/7591781/extract-nfsrootfs-yqbbhlqb,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 [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001419] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007228] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026357] check: Scanning 1 areas for low memory corruption [ 0.026370] Using GB pages for direct mapping [ 0.027168] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.027176] ACPI: Early table checksum verification disabled [ 0.027184] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027198] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027215] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027231] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027244] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027256] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027268] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027281] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027294] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027306] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027318] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027331] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027343] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027356] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027368] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027373] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027378] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027383] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027388] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027393] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027398] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027403] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027408] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027412] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027417] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027422] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027562] No NUMA configuration found [ 0.027568] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027578] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027624] Zone ranges: [ 0.027629] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027637] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027645] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027652] Movable zone start for each node [ 0.027657] Early memory node ranges [ 0.027662] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027667] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027672] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027679] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027715] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027760] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039261] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039346] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039372] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039731] ACPI: PM-Timer IO Port: 0x1808 [ 0.039788] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039802] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039809] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039826] Using ACPI (MADT) for SMP configuration information [ 0.039835] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039843] TSC deadline timer available [ 0.039849] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039880] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039887] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039893] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039898] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039902] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039907] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039912] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039916] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039921] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039925] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039930] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039934] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039939] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039943] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039948] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039957] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039965] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054498] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054792] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054876] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054882] Policy zone: Normal [ 0.054897] 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/7591781/extract-nfsrootfs-yqbbhlqb,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055465] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055721] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055817] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078174] Memory: 3888352K/4089052K available (18450K kernel code, 3458K rwdata, 6764K rodata, 2032K init, 13308K bss, 200440K reserved, 0K cma-reserved) [ 0.078333] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078398] Kernel/User page tables isolation: enabled [ 0.078484] ftrace: allocating 52740 entries in 207 pages [ 0.139586] ftrace: allocated 207 pages with 6 groups [ 0.139885] Running RCU self tests [ 0.139901] rcu: Hierarchical RCU implementation. [ 0.139906] rcu: RCU event tracing is enabled. [ 0.139910] rcu: RCU lockdep checking is enabled. [ 0.139915] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.139920] Rude variant of Tasks RCU enabled. [ 0.139924] Tracing variant of Tasks RCU enabled. [ 0.139929] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.139934] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.150865] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.151346] random: crng init done [ 0.151460] Console: colour dummy device 80x25 [ 0.226744] printk: console [ttyS0] enabled [ 0.227113] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.227775] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.228136] ... MAX_LOCK_DEPTH: 48 [ 0.228504] ... MAX_LOCKDEP_KEYS: 8192 [ 0.228886] ... CLASSHASH_SIZE: 4096 [ 0.229269] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.229658] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.230048] ... CHAINHASH_SIZE: 32768 [ 0.230437] memory used by lock dependency info: 6365 kB [ 0.230906] memory used for stack traces: 4224 kB [ 0.231325] per task-struct memory footprint: 1920 bytes [ 0.231855] ACPI: Core revision 20200925 [ 0.232461] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.232963] APIC: Switch to symmetric I/O mode setup [ 0.237442] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.238364] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.239272] pid_max: default: 32768 minimum: 301 [ 0.239346] LSM: Security Framework initializing [ 0.239346] SELinux: Initializing. [ 0.239346] LSM support for eBPF active [ 0.239346] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.239346] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.239346] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.239346] process: using mwait in idle threads [ 0.239346] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.239346] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.239346] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.239346] Spectre V2 : Mitigation: IBRS [ 0.239346] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.239346] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.239346] RETBleed: Mitigation: IBRS [ 0.239346] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.239346] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.239346] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.239346] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.239346] SRBDS: Vulnerable: No microcode [ 0.239346] ------------[ cut here ]------------ [ 0.239346] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.239346] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.239346] Modules linked in: [ 0.239346] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.147-cip18 #1 [ 0.239346] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.239346] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.239346] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 f8 01 4c b4 c6 05 9d 49 e4 01 01 e8 76 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.239346] RSP: 0000:ffffffffb4803de0 EFLAGS: 00010282 [ 0.239346] RAX: 0000000000000000 RBX: ffffffffb52d2ad4 RCX: 0000000000000000 [ 0.239346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2d7a891 [ 0.239346] RBP: ffffffffb419b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.239346] R10: ffffffffb488fbc0 R11: 3fffffffffffffff R12: ffffffffb52e9c44 [ 0.239346] R13: cccccccccccccccc R14: ffffffffb419b325 R15: 0000000000000004 [ 0.239346] FS: 0000000000000000(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 0.239346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.239346] CR2: ffff8a17fefff000 CR3: 0000000012626001 CR4: 00000000003706f0 [ 0.239346] Call Trace: [ 0.239346] alternative_instructions+0x7d/0x143 [ 0.239346] check_bugs+0xedd/0xf39 [ 0.239346] start_kernel+0x517/0x54d [ 0.239346] secondary_startup_64_no_verify+0xc2/0xcb [ 0.239346] irq event stamp: 162085 [ 0.239346] hardirqs last enabled at (162093): [] console_unlock+0x4d1/0x5f0 [ 0.239346] hardirqs last disabled at (162100): [] console_unlock+0x444/0x5f0 [ 0.239346] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.239346] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.239346] ---[ end trace 9a2c669e02838d64 ]--# - [ 0.239346] Freeing SMP alternatives memory: 44K [ 0.239346] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.240353] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.241307] ... version: 4 [ 0.241356] ... bit width: 48 [ 0.241721] ... generic registers: 4 [ 0.242078] ... value mask: 0000ffffffffffff [ 0.242353] ... max period: 00007fffffffffff [ 0.242819] ... fixed-purpose events: 3 [ 0.243175] ... event mask: 000000070000000f [ 0.244038] rcu: Hierarchical SRCU implementation. [ 0.246861] smp: Bringing up secondary CPUs ... [ 0.248292] x86: Booting SMP configuration: [ 0.248385] .... node #0, CPUs: #1 [ 0.249871] 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. [ 0.251359] 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. [ 0.253249] #2 #3 [ 0.256438] smp: Brought up 1 node, 4 CPUs [ 0.257001] smpboot: Max logical packages: 1 [ 0.257356] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.260356] devtmpfs: initialized [ 0.261106] x86/mm: Memory block size: 128MB [ 0.266581] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.267377] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.268558] pinctrl core: initialized pinctrl subsystem [ 0.269473] PM: RTC time: 09:11:11, date: 2022-10-15 [ 0.270678] NET: Registered protocol family 16 [ 0.272113] audit: initializing netlink subsys (disabled) [ 0.272419] audit: type=2000 audit(1665825070.034:1): state=initialized audit_enabled=0 res=1 [ 0.273532] thermal_sys: Registered thermal governor 'step_wise' [ 0.273540] thermal_sys: Registered thermal governor 'user_space' [ 0.274173] cpuidle: using governor menu [ 0.274803] ACPI: bus type PCI registered [ 0.275857] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.276362] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.276995] PCI: Using configuration type 1 for base access [ 0.309282] Kprobes globally optimized [ 0.309526] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.310376] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.311203] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.314745] ACPI: Added _OSI(Module Device) [ 0.315123] ACPI: Added _OSI(Processor Device) [ 0.315362] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.315780] ACPI: Added _OSI(Processor Aggregator Device) [ 0.316258] ACPI: Added _OSI(Linux-Dell-Video) [ 0.317365] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.317836] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.335240] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.346293] ACPI: EC: EC started [ 0.346353] ACPI: EC: interrupt blocked [ 0.347749] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.348200] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.349356] ACPI: Interpreter enabled [ 0.349783] ACPI: (supports S0 S3 S4 S5) [ 0.350136] ACPI: Using IOAPIC for interrupt routing [ 0.350465] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.374930] ACPI: Power Resource [PRIC] (on) [ 0.508680] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.509233] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.510779] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.511443] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.513207] PCI host bridge to bus 0000:00 [ 0.513361] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.513952] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.514357] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.515004] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.515356] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.516003] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.517357] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.518004] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.518359] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.519007] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.519356] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.520004] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.521357] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.522005] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.522356] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.523004] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.523356] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.524004] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.525357] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.526005] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.526357] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.526946] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.528764] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.529319] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.530375] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.531012] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.532257] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.532386] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.534049] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.534387] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.535889] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.536399] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.537162] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.539423] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.539987] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.541293] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.541406] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.543113] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.544408] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.546144] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.546407] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.547028] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.548447] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.549019] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.550523] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.551278] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.553433] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.554006] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.555480] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.556052] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.557473] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.558040] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.560626] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.561193] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.562449] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.564041] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.564391] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.565990] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.567406] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.568059] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.568482] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.570060] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.570426] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.571092] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.572371] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.572929] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.575144] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.577297] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.581554] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.584582] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.585039] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.588175] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.588752] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.589743] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.590743] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.591758] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.592805] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.593753] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.595784] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.603987] ACPI: EC: interrupt unblocked [ 0.604353] ACPI: EC: event unblocked [ 0.604700] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.605151] ACPI: EC: GPE=0x6e [ 0.605360] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.605974] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.607426] iommu: Default domain type: Translated [ 0.608444] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.608992] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.609384] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.609887] vgaarb: loaded [ 0.610832] SCSI subsystem initialized [ 0.611577] ACPI: bus type USB registered [ 0.612096] usbcore: registered new interface driver usbfs [ 0.612431] usbcore: registered new interface driver hub [ 0.612946] usbcore: registered new device driver usb [ 0.613518] pps_core: LinuxPPS API ver. 1 registered [ 0.613956] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.615370] PTP clock support registered [ 0.616419] Advanced Linux Sound Architecture Driver Initialized. [ 0.618201] NetLabel: Initializing [ 0.618355] NetLabel: domain hash size = 128 [ 0.618742] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.619331] NetLabel: unlabeled traffic allowed by default [ 0.619520] PCI: Using ACPI for IRQ routing [ 0.628353] clocksource: Switched to clocksource tsc-early [ 1.155010] VFS: Disk quotas dquot_6.6.0 [ 1.155448] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.156570] pnp: PnP ACPI init [ 1.157940] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.158549] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.159129] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.159726] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.160305] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.160904] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.161530] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.162137] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.162733] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.163312] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.165150] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.166215] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.167097] system 00:04: [io 0x0200] has been reserved [ 1.167591] system 00:04: [io 0x0204] has been reserved [ 1.168063] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.168602] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.172293] pnp: PnP ACPI: found 6 devices [ 1.190082] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.191015] NET: Registered protocol family 2 [ 1.191622] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.194318] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.195347] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.196336] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.199255] TCP: Hash tables configured (established 32768 bind 32768) [ 1.200256] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.201262] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.202196] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.203310] NET: Registered protocol family 1 [ 1.204618] RPC: Registered named UNIX socket transport module. [ 1.205166] RPC: Registered udp transport module. [ 1.205607] RPC: Registered tcp transport module. [ 1.206025] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.207320] NET: Registered protocol family 44 [ 1.207767] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.208223] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.208852] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.209407] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.209947] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.210638] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.211236] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.211850] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.212463] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.213066] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.213684] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.214289] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.214951] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.215572] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.216175] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.216792] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.217412] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.218015] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.218635] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.219239] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.219872] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.220491] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.221096] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.222274] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.225690] PCI: CLS 64 bytes, default 64 [ 1.226549] Unpacking initramfs... [ 1.600002] Freeing initrd memory: 8432K [ 1.600474] DMAR: Host address width 39 [ 1.600854] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.601455] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.602184] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.602755] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.603245] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.604063] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.604644] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.605596] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.606281] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.606821] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.607317] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.607872] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.608383] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.611155] kvm: already loaded the other module [ 1.633680] check: Scanning for low memory corruption every 60 seconds [ 1.638431] Initialise system trusted keyrings [ 1.639140] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.666030] NFS: Registering the id_resolver key type [ 1.666542] Key type id_resolver registered [ 1.666946] Key type id_legacy registered [ 1.689547] Key type asymmetric registered [ 1.689946] Asymmetric key parser 'x509' registered [ 1.690466] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.691128] io scheduler mq-deadline registered [ 1.691555] io scheduler kyber registered [ 1.692191] test_firmware: interface ready [ 1.694625] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.696830] ACPI: AC Adapter [AC] (on-line) [ 1.697727] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.699662] ACPI: Lid Switch [LID0] [ 1.700322] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.701305] ACPI: Power Button [PWRF] [ 1.702213] ACPI: \_PR_.CP00: Found 3 idle states [ 1.703636] ACPI: \_PR_.CP01: Found 3 idle states [ 1.704843] ACPI: \_PR_.CP02: Found 3 idle states [ 1.706089] ACPI: \_PR_.CP03: Found 3 idle states [ 1.708398] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.712475] hpet_acpi_add: no address or irqs in _CRS [ 1.713261] Non-volatile memory driver v1.3 [ 1.713901] Linux agpgart interface v0.103 [ 1.714177] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.717833] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.770611] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.771970] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.772901] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.774108] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.813311] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.817857] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.840296] loop: module loaded [ 1.841691] lkdtm: No crash points registered, enable through debugfs [ 1.875024] printk: console [ttyS0] disabled [ 1.876626] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.637606] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.646015] printk: console [ttyS0] enabled [ 2.654489] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 5.311011] clocksource: Switched to clocksource tsc [ 5.311161] fbcon: i915drmfb (fb0) is primary device [ 5.328750] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.331610] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.342198] e100: Intel(R) PRO/100 Network Driver [ 5.342203] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.342280] e1000: Intel(R) PRO/1000 Network Driver [ 5.342283] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.342421] e1000e: Intel(R) PRO/1000 Network Driver [ 5.342424] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.342714] sky2: driver version 1.30 [ 5.343391] usbcore: registered new interface driver r8152 [ 5.343463] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.344161] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.344185] ehci-pci: EHCI PCI platform driver [ 5.344292] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.344443] ohci-pci: OHCI PCI platform driver [ 5.344574] uhci_hcd: USB Universal Host Controller Interface driver [ 5.346952] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.348055] Console: switching to colour frame buffer device 240x67 [ 5.348523] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.350211] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.350277] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.354314] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.354443] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.354451] usb usb1: Product: xHCI Host Controller [ 5.354458] usb usb1: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 5.354464] usb usb1: SerialNumber: 0000:00:14.0 [ 5.357799] hub 1-0:1.0: USB hub found [ 5.358025] hub 1-0:1.0: 12 ports detected [ 5.367074] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.367828] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.367847] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.367945] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.368641] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.368654] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.368660] usb usb2: Product: xHCI Host Controller [ 5.368666] usb usb2: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 5.368672] usb usb2: SerialNumber: 0000:00:14.0 [ 5.371063] hub 2-0:1.0: USB hub found [ 5.375241] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.380911] hub 2-0:1.0: 6 ports detected [ 5.608412] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.615598] usbcore: registered new interface driver usblp [ 5.660201] usbcore: registered new interface driver usb-storage [ 5.667538] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.677725] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.685394] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.697682] i8042: Warning: Keylock active [ 5.702586] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.710647] rtc_cmos 00:02: RTC can wake from S4 [ 5.713318] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.718499] rtc_cmos 00:02: registered as rtc0 [ 5.730844] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.739226] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.745743] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.750933] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.753525] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.761593] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.769557] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.785424] intel_pstate: Intel P-state driver initializing [ 5.792868] intel_pstate: HWP enabled [ 5.797024] sdhci: Secure Digital Host Controller Interface driver [ 5.803936] sdhci: Copyright(c) Pierre Ossman [ 5.808893] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.818449] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.826390] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.836176] hid: raw HID events driver (C) Jiri Kosina [ 5.842485] usbcore: registered new interface driver usbhid [ 5.848717] usbhid: USB HID core driver [ 5.853786] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.873156] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.879898] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.880701] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.894362] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.903643] netem: version 1.3 [ 5.913695] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.920170] gre: GRE over IPv4 demultiplexor driver [ 5.925655] ip_gre: GRE over IPv4 tunneling driver [ 5.931878] IPv4 over IPsec tunneling driver [ 5.936929] Initializing XFRM netlink socket [ 5.942251] NET: Registered protocol family 10 [ 5.948199] Segment Routing with IPv6 [ 5.952916] ip6_gre: GRE over IPv6 tunneling driver [ 5.958708] NET: Registered protocol family 17 [ 5.963944] Key type dns_resolver registered [ 5.969517] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.975716] microcode: Microcode Update Driver: v2.2. [ 5.975723] IPI shorthand broadcast: enabled [ 5.986328] sched_clock: Marking stable (5899231466, 87042574)->(6084640228, -98366188) [ 5.995625] registered taskstats version 1 [ 6.000251] Loading compiled-in X.509 certificates [ 6.008118] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.018085] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.027632] PM: Magic number: 10:720:171 [ 6.032346] acpi device:34: hash matches [ 6.037198] printk: console [netcon0] enabled [ 6.042113] netconsole: network logging started [ 6.048037] IP-Config: Failed to open gretap0 [ 6.053016] IP-Config: Failed to open erspan0 [ 6.056523] mmc0: new HS400 MMC card at address 0001 [ 6.057900] IP-Config: No network devices available [ 6.057936] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 6.064125] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.070832] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.077775] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.082747] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.082968] modprobe (100) used greatest stack depth: 14208 bytes left [ 6.086511] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 6.086616] ALSA device list: [ 6.086621] No soundcards found. [ 6.086852] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 6.086865] cfg80211: failed to load regulatory.db [ 6.092024] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.098529] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.106689] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.113820] usb 1-9: Manufacturer: Azurewave [ 6.113822] usb 1-9: SerialNumber: 0x0001 [ 6.118607] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.137428] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.139681] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.152756] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.156994] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.167475] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.220931] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 6.230953] Freeing unused kernel image (initmem) memory: 2032K [ 6.234567] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.246744] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.248459] Write protecting the kernel read-only data: 28672k [ 6.254736] usb 2-3: Product: USB 10/100/1000 LAN [ 6.266580] usb 2-3: Manufacturer: Realtek [ 6.271184] usb 2-3: SerialNumber: 001000001 [ 6.276614] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 6.278576] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.292790] Freeing unused kernel image (rodata/data gap) memory: 1428K [ 6.300320] Run /init as init process Loading, please wait... [ 6.314000] mkdir (116) used greatest stack depth: 13688 bytes left Starting version 247.3-7+deb11u1 [ 6.322597] systemd-udevd (122) used greatest stack depth: 13608 bytes left [ 6.379433] udevadm (124) used greatest stack depth: 13576 bytes left [ 6.410401] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.455186] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.490383] r8152 2-3:1.0 eth0: v1.11.11 [ 6.495280] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.502853] r8152 2-3:1.0 enx00e04c680498: renamed from eth0 [ 6.550424] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.559661] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.587919] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.646967] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.657584] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.667802] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.678313] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.696523] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.706600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.716491] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) 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: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP 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 [ 8.165943] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680498: link becomes ready [ 8.174460] r8152 2-3:1.0 enx00e04c680498: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP 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: enx00e04c680498 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.526041] nfsmount (161) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.783674] systemd[1]: systemd 247.3-7+deb11u1 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) [ 10.821714] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.856793] systemd[1]: Set hostname to . [ 11.566529] systemd[1]: Queued start job for default target Graphical Interface. [ 11.578229] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.594110] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.610016] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.626988] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.642922] 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. [ 11.661803] 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. [ 11.683646] 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. [ 11.706747] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.722667] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.733605] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.749608] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.760630] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.771930] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.789782] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.806640] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.823136] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.838794] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.858424] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.873944] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.891509] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.909155] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.927203] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.942368] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.963855] 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... [ 11.988297] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 12.007575] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 12.024129] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 12.062479] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.073121] fuse: init (API version 7.32) [ 12.079447] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 12.095831] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 12.109277] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 12.127261] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 12.146003] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 12.161866] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 12.178701] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 12.193657] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 12.210787] 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. [ 12.231386] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.238638] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.255470] systemd[1]: modprobe@drm.service: Succeeded. [ 12.262241] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.277777] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[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... [ 12.386187] systemd-journald[197]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[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. [ 13.905876] systemd-tmpfile (208) 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] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[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;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[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 5.10.147-cip18 #1 SMP Sat Oct 15 08:40:06 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/7591781/extract-nfsrootfs-yqbbhlqb' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7591781/extract-nfsrootfs-yqbbhlqb' / # 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-7591781/environment . /lava-7591781/environment / # /lava-7591781/bin/lava-test-runner /lava-7591781/0 /lava-7591781/bin/lava-test-runner /lava-7591781/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7591781/0/tests/0_timesync-off ++ cat uuid + UUID=7591781_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-7591781/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7591781_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/v5.10.147-cip18/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-7591781/0/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 (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-15 09:11:45-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.147-cip18/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: 3540736 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 4%[ ] 146.79K 300KB/s kselftest.tar.xz 8%[> ] 281.13K 406KB/s kselftest.tar.xz 16%[==> ] 556.39K 622KB/s kselftest.tar.xz 31%[=====> ] 1.06M 986KB/s kselftest.tar.xz 50%[=========> ] 1.71M 1.23MB/s kselftest.tar.xz 88%[================> ] 2.98M 1.86MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.00MB/s in 1.7s 2022-10-15 09:11:48 (2.00 MB/s) - 'kselftest.tar.xz' saved [3540736/3540736] 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 ======================================== [ 48.243831] 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 [ 48.537481] lkdtm: Performing direct entry BUG [ 48.542526] ------------[ cut here ]------------ [ 48.547699] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.553554] invalid opcode: 0000 [#1] SMP PTI [ 48.558421] CPU: 1 PID: 721 Comm: cat Tainted: G W 5.10.147-cip18 #1 [ 48.566982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.573792] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.578176] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 48.599161] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 48.604995] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.612965] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 48.620928] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 48.628890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.636861] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 48.644832] FS: 00007f0aa4fbd580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 48.653863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.660271] CR2: 00007f0aa4dc6000 CR3: 0000000103a5a004 CR4: 00000000003706e0 [ 48.668241] Call Trace: [ 48.670970] direct_entry.cold+0x2c/0x38 [ 48.675373] full_proxy_write+0x53/0x80 [ 48.679663] vfs_write+0xe7/0x3a0 [ 48.683383] ksys_write+0x68/0xf0 [ 48.687084] do_syscall_64+0x30/0x40 [ 48.691075] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.696715] RIP: 0033:0x7f0aa4ed38f3 [ 48.700703] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.721683] RSP: 002b:00007ffd00f042d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.730131] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0aa4ed38f3 [ 48.738101] RDX: 0000000000000004 RSI: 00007f0aa4dc6000 RDI: 0000000000000001 [ 48.746070] RBP: 00007f0aa4dc6000 R08: 00007f0aa4dc5010 R09: 0000000000000000 [ 48.754039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.762009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.769975] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.796444] ---[ end trace 9a2c669e02838d66 ]--- [ 48.801610] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.805999] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 48.826996] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 48.832840] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.840820] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 48.848801] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 48.856783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.864765] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 48.872769] FS: 00007f0aa4fbd580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 48.881843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.888292] CR2: 00007f0aa4dc6000 CR3: 0000000103a5a004 CR4: 00000000003706e0 # Segmentation fault # [ 48.537481] lkdtm: Performing direct entry BUG # [ 48.542526] ------------[ cut here ]------------ # [ 48.547699] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.553554] invalid opcode: 0000 [#1] SMP PTI # [ 48.558421] CPU: 1 PID: 721 Comm: cat Tainted: G W 5.10.147-cip18 #1 # [ 48.566982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.573792] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.578176] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 48.599161] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 48.604995] RAX: ffffffffb34de9f[ 48.979619] lkdtm: Performing direct entry WARNING [ 48.989916] ------------[ cut here ]------------ 0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.612965] [ 48.995085] WARNING: CPU: 3 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 49.010723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae9[ 49.037182] CPU: 3 PID: 757 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 49.051953] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.058764] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 49.063630] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db [ 49.084620] RSP: 0018:ffff9dac0147fe60 EFLAGS: 00010202 [ 49.090458] RAX: ffffffffb34dea00 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.098446] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb419aea0 [ 49.106435] RBP: ffffffffb4581ee7 R08: 0000000000000000 R09: 0000000000000000 [ 49.114448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0 # [ 48.620928] RBP: ffffffffb45dd3c0 R08: 0000000000000001 [ 49.122423] R13: ffff9dac0147ff10 R14: ffff9dac0147ff10 R15: ffff8a1785a97000 [ 49.136614] FS: 00007f824daeb580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 49.145658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.152077] CR2: 00007f824d8f4000 CR3: 0000000106470006 CR4: 00000000003706e0 [ 49.160050] Call Trace: [ 49.162781] direct_entry.cold+0x2c/0x38 [ 49.167196] full_proxy_write+0x53/0x80 [ 49.171511] vfs_write+0xe7/0x3a0 [ 49.175236] ksys_write+0x68/0xf0 [ 49.178939] do_syscall_64+0x30/0x40 [ 49.182962] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.188604] RIP: 0033:0x7f824da018f3 [ 49.192596] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.213586] RSP: 002b:00007ffd7836e4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.222046] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f824da018f3 [ 49.230019] RDX: 0000000000000008 RSI: 00007f824d8f4000 RDI: 0000000000000001 [ 49.237993] RBP: 00007f824d8f4000 R08: 00007f824d8f3010 R09: 0000000000000000 [ 49.245968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.253941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.261918] irq event stamp: 0 [ 49.265347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.272385] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 R09: 0000000000000001 # [ 48.628890] R10: 00000000ffffe000 R1[ 49.281525] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.296876] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.303878] ---[ end trace 9a2c669e02838d67 ]--- 1: 3fffffffffffffff R12: 0000000000000004 # [ 48.636861] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 48.644832] FS: 00007f0aa4fbd580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 48.653863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.660271] CR2: 00007f0aa4dc6000 CR3: 0000000103a5a004 CR4: 00000000003706e0 # [ 48.668241] Call Trace: # [ 48.670970] direct_entry.cold+0x2c/0x38 # [ 48.675373] full_proxy_write+0x53/0x80 # [ 48.679663] vfs_write+0xe7/0x3a0 # [ 48.683383] ksys_write+0x68/0xf0 # [ 48.687084] do_syscall_64+0x30/0x40 # [ 48.691075] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.696715] RIP: 0033:0x7f0aa4ed38f3 # [ 48.700703] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.721683] RS[ 49.396921] lkdtm: Performing direct entry WARNING_MESSAGE P: 002b:00007ffd00f042d8 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 49.408448] ------------[ cut here ]------------ 0001 # [ 48.730131] RAX: ffffffffffffffda RBX: 00000000000000[ 49.419833] Warning message trigger count: 2 04 RCX: 00007f0aa4ed38f3 # [ 48.738101] RDX: 0000000000000004[ 49.430837] WARNING: CPU: 0 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 RSI: 00007f0aa4dc6000 RDI: 0000000000000001 # [ 48.746070] R[ 49.447233] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify BP: 00007f0aa4dc6000 R08: 00007f0aa4dc5010 R09: 0000000000000000[ 49.479954] CPU: 0 PID: 792 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 48.754039] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 49.494672] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 12: 0000000000000001 # [ 48.762009] R13: 0000000000000001 R14[ 49.507759] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 : 0000000000020000 R15: 0000000000020000 # [ 48.769975] Modul[ 49.519612] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 58 b4 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 es linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_cor[ 49.546815] RSP: 0018:ffff9dac0142fe60 EFLAGS: 00010286 e industrialio_triggered_buffer kfifo_buf industrialio cros_ec_d[ 49.558878] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ebugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_[ 49.573046] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 49.587236] RBP: ffffffffb4581eef R08: 0000000000000000 R09: 0000000000000000 48.796444] ---[ end trace 9a2c669e02838d66 ]--- # [ 48.8016[ 49.601405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 10] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.805999] Code: 89 ff e[ 49.615593] R13: ffff9dac0142ff10 R14: ffff9dac0142ff10 R15: ffff8a178314a000 8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 49.629778] FS: 00007f1bb1048580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 49.645045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ [ 49.657692] CR2: 00007f1bb0e51000 CR3: 000000010399a004 CR4: 00000000003706f0 48.826996] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ [ 49.671885] Call Trace: 48.832840] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000[ 49.680841] direct_entry.cold+0x2c/0x38 000000000000 # [ 48.840820] RDX: 0000000000000000 RSI: ffff8a[ 49.691437] full_proxy_write+0x53/0x80 17fac9bf70 RDI: ffffffffb419ae90 # [ 48.848801] RBP: ffffffff[ 49.701945] vfs_write+0xe7/0x3a0 b45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 48.8[ 49.711858] ksys_write+0x68/0xf0 56783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 49.721767] do_syscall_64+0x30/0x40 00000004 # [ 48.864765] R13: ffff9dac013f7f10 R14: ffff9dac01[ 49.731956] entry_SYSCALL_64_after_hwframe+0x61/0xc6 3f7f10 R15: ffff8a1783af3000 # [ 48.872769] FS: 00007f0aa4fb[ 49.743804] RIP: 0033:0x7f1bb0f5e8f3 d580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [[ 49.754004] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 48.881843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 49.781216] RSP: 002b:00007ffcc3151238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.888292] CR2: 00007f0aa4dc6000 CR3: 0000000103a5a004 CR[ 49.795885] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1bb0f5e8f3 4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selfte[ 49.810073] RDX: 0000000000000010 RSI: 00007f1bb0e51000 RDI: 0000000000000001 sts: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.979[ 49.824273] RBP: 00007f1bb0e51000 R08: 00007f1bb0e50010 R09: 0000000000000000 619] lkdtm: Performing direct entry WARNING # [ 48.989916] --[ 49.838453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ----------[ cut here ]------------ # [ 48.995085] WARNING: CP[ 49.852647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 U: 3 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13[ 49.866833] irq event stamp: 0 /0x20 # [ 49.010723] Modules linked in: fuse ip_tables cros_e[ 49.876459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 49.889671] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sys[ 49.905023] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 fs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_e[ 49.920410] softirqs last disabled at (0): [<0000000000000000>] 0x0 c_dev cros_usbpd_notify # [ 49.037182] CPU: 3 PID: 757 Comm: [ 49.933614] ---[ end trace 9a2c669e02838d68 ]--- cat Tainted: G D W 5.10.147-cip18 #1 # [ 49.051953] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.058764] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 49.063630] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db # [ 49.084620] RSP: 0018:ffff9dac0147fe60 EFLAGS: 00010202 # [ 49.090458] RAX: ffffffffb34dea00 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49.098446] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb419aea0 # [ 49.106435] RBP: ffffffffb4581ee7 R08: 0000000000000000 R09: 0000000000000000 # [ 49.114448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.122423] R13: ffff9dac0147ff10 R1[ 50.023898] lkdtm: Performing direct entry EXCEPTION [ 50.031351] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 50.039135] #PF: supervisor write access in kernel mode [ 50.044967] #PF: error_code(0x0002) - not-present page [ 50.050703] PGD 0 P4D 0 [ 50.053528] Oops: 0002 [#2] SMP PTI [ 50.057411] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 50.065983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.072788] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 50.077746] Code: 48 c7 c7 48 24 58 b4 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 50.098731] RSP: 0018:ffff9dac01547e60 EFLAGS: 00010286 [ 50.104556] RAX: ffffffffb34dea50 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.112525] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb419aec0 [ 50.120495] RBP: ffffffffb44b7367 R08: 0000000000000000 R09: 0000000000000000 [ 50.128465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.136437] R13: ffff9dac01547f10 R14: ffff9dac01547f10 R15: ffff8a1784cd2000 [ 50.144406] FS: 00007f11e77ff580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 50.153444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.159861] CR2: 0000000000000000 CR3: 00000001064bc005 CR4: 00000000003706e0 [ 50.167830] Call Trace: [ 50.170557] direct_entry.cold+0x2c/0x38 [ 50.174935] full_proxy_write+0x53/0x80 [ 50.179218] vfs_write+0xe7/0x3a0 [ 50.182916] ksys_write+0x68/0xf0 [ 50.186615] do_syscall_64+0x30/0x40 [ 50.190605] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.196245] RIP: 0033:0x7f11e77158f3 [ 50.200233] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.221220] RSP: 002b:00007ffcd55e4dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.229677] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11e77158f3 [ 50.237644] RDX: 000000000000000a RSI: 00007f11e7608000 RDI: 0000000000000001 [ 50.245613] RBP: 00007f11e7608000 R08: 00007f11e7607010 R09: 0000000000000000 [ 50.253583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.261553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.269529] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4: ffff9dac0147ff10 R15: ffff8a1785a97000 # [ 49.136614] FS: [ 50.295989] CR2: 0000000000000000 [ 50.305902] ---[ end trace 9a2c669e02838d69 ]--- 00007f824daeb580(0000) GS:ffff8a17fad80000(0000) knlGS:00000000[ 50.311059] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.321659] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 00000000 # [ 49.145658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 50.342644] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 50.354693] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.362662] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 50.370630] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 50.378602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.386571] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 50.394542] FS: 00007f11e77ff580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 50.403581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.409997] CR2: 0000000000000000 CR3: 00000001064bc005 CR4: 00000000003706e0 [ 50.417967] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.427871] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat [ 50.436230] INFO: lockdep is turned off. [ 50.440604] irq event stamp: 0 [ 50.444011] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.451011] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.460147] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.469282] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.476282] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 50.484825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.491630] Call Trace: [ 50.494375] dump_stack+0x77/0x9b 000080050033 # [ 49.152077] CR2: 00007f824d8f4000 CR3: 000000[ 50.498080] ___might_sleep.cold+0xa6/0xb6 [ 50.508864] exit_signals+0x1c/0x2e0 [ 50.512844] do_exit+0xd5/0xb00 [ 50.516338] ? ksys_write+0x68/0xf0 [ 50.520232] rewind_stack_do_exit+0x17/0x20 [ 50.524901] RIP: 0033:0x7f11e77158f3 [ 50.528888] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.549871] RSP: 002b:00007ffcd55e4dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.558325] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11e77158f3 [ 50.566293] RDX: 000000000000000a RSI: 00007f11e7608000 RDI: 0000000000000001 [ 50.574260] RBP: 00007f11e7608000 R08: 00007f11e7607010 R09: 0000000000000000 [ 50.582229] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.590198] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0106470006 CR4: 00000000003706e0 # [ 49.160050] Call Trace: # [ 49.162781] direct_entry.cold+0x2c/0x38 # [ 49.167196] full_proxy_write+0x53/0x80 # [ 49.171511] vfs_write+0xe7/0x3a0 # [ 49.175236] ksys_write+0x68/0xf0 # [ 49.178939] do_syscall_64+0x30/0x40 # [ 49.182962] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.188604] RIP: 0033:0x7f824da018f3 # [ 49.192596] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.213586] RSP: 002b:00007ffd7836e4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.222046] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f824da018f3 # [ 49.230019] RDX: 0000000000000008 RSI: 00007f824d8f4000 RDI: 0000000000000001 # [ 49.237993] RBP: 00007f824d8f4000 R08: 00007f824d8f3010 R09: 0000000000000000 # [ 49.245968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.253941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.261918] irq event stamp: 0 # [ 49.265347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.272385] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.281525] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.296876] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.303878] ---[ end trace 9a2c669e02838d67 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.396921] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.408448] ------------[ cut here ]------------ # [ 49.419833] Warning message trigger count: 2 # [ 49.430837] WARNING: CPU: 0 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.447233] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.479954] CPU: 0 PID: 792 Comm: c[ 50.813817] lkdtm: Performing direct entry CORRUPT_LIST_ADD at Tainted: G D W 5.10.147-cip18 #1 # [ 49.49467[ 50.821967] lkdtm: attempting good list addition 2] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 50.833363] lkdtm: attempting corrupted list addition 49.507759] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.5[ 50.845216] lkdtm: list_add() corruption not detected! 19612] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 58 b4 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.546815] RSP: 0018:ffff9dac0142fe60 EFLAGS: 00010286 # [ 49.558878] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.573046] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 49.587236] RBP: ffffffffb4581eef R08: 0000000000000000 R09: 0000000000000000 # [ 49.601405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.615593] R13: ffff9dac0142ff10 R14: ffff9dac0142ff10 R15: ffff8a178314a000 # [ 49.629778] FS: 00007f1bb1048580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 49.645045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.657692] CR2: 00007f1bb0e51000 CR3: 000000010399a004 CR4: 00000000003706f0 # [ 49.671885] Call Trace: # [ 49.680841] direct_entry.cold+0x2c/0x38 # [ 49.691437] full_proxy_write+0x53/0x80 # [ 49.701945] vfs_write+0xe7/0x3a0 # [ 49.711858] ksys_write+0x68/0xf0 # [ 49.721767] do_syscall_64+0x30/0x40 # [ 49.731956] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.743804] RIP: 0033:0x7f1bb0f5e8f3 # [ 49.754004] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48[ 50.985489] lkdtm: Performing direct entry CORRUPT_LIST_DEL c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 [ 50.994104] lkdtm: attempting good list removal 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40[ 51.005389] lkdtm: attempting corrupted list removal [ 51.017149] lkdtm: list_del() corruption not detected! 00 48 83 ec 28 48 89 54 24 18 # [ 49.781216] RSP: 002b:00007ffcc3151238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.795885] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1bb0f5e8f3 # [ 49.810073] RDX: 0000000000000010 RSI: 00007f1bb0e51000 RDI: 0000000000000001 # [ 49.824273] RBP: 00007f1bb0e51000 R08: 00007f1bb0e50010 R09: 0000000000000000 # [ 49.838453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.852647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.866833] irq event stamp: 0 # [ 49.876459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.889671] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.905023] softirqs last enabled at (0): [] copy_process+0x[ 51.100487] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 640/0x1c80 # [ 49.920410] softirqs last disabled at (0): [<00[ 51.110685] lkdtm: attempting bad read from page below current stack 00000000000000>] 0x0 # [ 49.933614] ---[ end trace 9a2c669e02[ 51.124026] BUG: stack guard page was hit at 00000000cc4de57f (stack is 000000004721f5f8..0000000056dfcda7) [ 51.141101] kernel stack overflow (page fault): 0000 [#3] SMP PTI 838d68 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 [ 51.147908] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 51.162770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.169577] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPT[ 51.176093] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 58 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 58 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 51.203287] RSP: 0018:ffff9dac018a7e50 EFLAGS: 00010246 [ 51.209121] RAX: 0000000000000038 RBX: ffff9dac018a4000 RCX: 0000000000000000 [ 51.217081] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb4582828 [ 51.225049] RBP: ffffffffb4581f52 R08: 0000000000000000 R09: 0000000000000000 [ 51.233016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.240984] R13: ffff9dac018a7f10 R14: ffff9dac018a7f10 R15: ffff8a178287c000 [ 51.248952] FS: 00007f668e915580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 51.257989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.264403] CR2: ffff9dac018a3fff CR3: 00000001026f0002 CR4: 00000000003706e0 [ 51.272393] Call Trace: [ 51.275121] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 51.280180] direct_entry.cold+0x2c/0x38 [ 51.284558] full_proxy_write+0x53/0x80 ION.sh # Killed # [ 50.023898] lkdtm: Performing direct entr[ 51.288841] vfs_write+0xe7/0x3a0 [ 51.298749] ksys_write+0x68/0xf0 [ 51.302437] do_syscall_64+0x30/0x40 [ 51.306434] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.312073] RIP: 0033:0x7f668e82b8f3 [ 51.316060] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.337043] RSP: 002b:00007ffdfccf5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.345497] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f668e82b8f3 [ 51.353465] RDX: 0000000000000019 RSI: 00007f668e71e000 RDI: 0000000000000001 [ 51.361435] RBP: 00007f668e71e000 R08: 00007f668e71d010 R09: 0000000000000000 [ 51.369402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.377381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 y EXCEPTION # [ 50.031351] BUG: kernel NULL pointer dereferen[ 51.385372] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.418014] ---[ end trace 9a2c669e02838d6a ]--- [ 51.423168] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.427543] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 51.448522] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 51.454353] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.462345] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 51.470313] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 51.478282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.486252] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 51.494221] FS: 00007f668e915580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 51.503259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.509674] CR2: ffff9dac018a3fff CR3: 00000001026f0002 CR4: 00000000003706e0 ce, address: 0000000000000000 # [ 50.039135] #PF: supervisor write access in kernel mode # [ 50.044967] #PF: error_code(0x0002) - not-present page # [ 50.050703] PGD 0 P4D 0 # [ 50.053528] Oops: 0002 [#2] SMP PTI # [ 50.057411] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 50.065983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.072788] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 50.077746] Code: 48 c7 c7 48 24 58 b4 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 50.098731] RSP: 0018:ffff9dac01547e60 EFLAGS: 00010286 # [ 50.104556] RAX: ffffffffb34dea50 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.112525] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb419aec0 # [ [ 51.601560] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.611753] lkdtm: attempting bad read from page above current stack 50.120495] RBP: ffffffffb44b7367 R08: 0000000000000000 R09: 0000[ 51.618860] BUG: stack guard page was hit at 00000000443c4eb2 (stack is 00000000ec62bbe8..00000000557733dd) [ 51.635945] kernel stack overflow (page fault): 0000 [#4] SMP PTI 000000000000 # [ 50.128465] R10: 00000000ffffe000 R11: 3fffff[ 51.642752] CPU: 1 PID: 1082 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 51.657616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.664437] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d ffffffffff R12: 000000000000000a # [ 50.136437] R13: ffff9dac[ 51.671048] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 58 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 58 b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 51.698242] RSP: 0018:ffff9dac0192fe50 EFLAGS: 00010246 [ 51.704075] RAX: 0000000000000038 RBX: ffff9dac0192c000 RCX: 0000000000000000 [ 51.712044] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb45828a0 [ 51.720012] RBP: ffffffffb4581f6b R08: 0000000000000000 R09: 0000000000000000 [ 51.727980] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.735949] R13: ffff9dac0192ff10 R14: ffff9dac0192ff10 R15: ffff8a178388b000 [ 51.743919] FS: 00007f6d14c4f580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 51.752956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.759381] CR2: ffff9dac01930000 CR3: 00000001058a0001 CR4: 00000000003706e0 [ 51.767349] Call Trace: [ 51.770076] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.775909] direct_entry.cold+0x2c/0x38 [ 51.780287] full_proxy_write+0x53/0x80 [ 51.784568] vfs_write+0xe7/0x3a0 [ 51.788267] ksys_write+0x68/0xf0 [ 51.791963] do_syscall_64+0x30/0x40 [ 51.795952] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.801582] RIP: 0033:0x7f6d14b658f3 [ 51.805562] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.826532] RSP: 002b:00007fff763b4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.834985] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d14b658f3 [ 51.842952] RDX: 000000000000001a RSI: 00007f6d14a58000 RDI: 0000000000000001 [ 51.850919] RBP: 00007f6d14a58000 R08: 00007f6d14a57010 R09: 0000000000000000 [ 51.858885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.866853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01547f10 R14: ffff9dac01547f10 R15: ffff8a1784cd2000 # [ 50.1[ 51.874831] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.907463] ---[ end trace 9a2c669e02838d6b ]--- [ 51.912609] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.916984] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 51.937965] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 51.943797] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.951767] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 51.959734] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 51.967702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.975669] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 51.983637] FS: 00007f6d14c4f580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 51.992673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.999089] CR2: ffff9dac01930000 CR3: 00000001058a0001 CR4: 00000000003706e0 [ 52.007057] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.016967] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1082, name: cat [ 52.025437] INFO: lockdep is turned off. [ 52.029813] irq event stamp: 0 [ 52.033218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.040216] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.049341] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.058465] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.065463] CPU: 1 PID: 1082 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 52.074102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.080903] Call Trace: [ 52.083631] dump_stack+0x77/0x9b 44406] FS: 00007f11e77ff580(0000) GS:ffff8a17fad80000(0000) knl[ 52.087331] ___might_sleep.cold+0xa6/0xb6 [ 52.098113] exit_signals+0x1c/0x2e0 [ 52.102099] do_exit+0xd5/0xb00 [ 52.105601] ? ksys_write+0x68/0xf0 [ 52.109485] rewind_stack_do_exit+0x17/0x20 GS:0000000000000000 # [ 50.153444] CS: 0010 DS: 0000 ES: 000[ 52.114155] RIP: 0033:0x7f6d14b658f3 [ 52.124372] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 CR0: 0000000080050033 # [ 50.159861] CR2: 0000000000000000 [ 52.145382] RSP: 002b:00007fff763b4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.160050] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d14b658f3 [ 52.168017] RDX: 000000000000001a RSI: 00007f6d14a58000 RDI: 0000000000000001 [ 52.175986] RBP: 00007f6d14a58000 R08: 00007f6d14a57010 R09: 0000000000000000 [ 52.183955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.191922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CR3: 00000001064bc005 CR4: 00000000003706e0 # [ 50.167830] Call Trace: # [ 50.170557] direct_entry.cold+0x2c/0x38 # [ 50.174935] full_proxy_write+0x53/0x80 # [ 50.179218] vfs_write+0xe7/0x3a0 # [ 50.182916] ksys_write+0x68/0xf0 # [ 50.186615] do_syscall_64+0x30/0x40 # [ 50.190605] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.196245] RIP: 0033:0x7f11e77158f3 # [ 50.200233] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.221220] RSP: 002b:00007ffcd55e4dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.229677] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11e77158f3 # [ 50.237644] RDX: 000000000000000a RSI: 00007f11e7608000 RDI: 0000000000000001 # [ 50.245613] RBP: 00007f11e7608000 R08: 00007f11e7607010 R09: 0000000000000000 # [ 50.253583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 52.296625] lkdtm: Performing direct entry UNSET_SMEP [ 52.304976] lkdtm: trying to clear SMEP normally [ 52.310169] ------------[ cut here ]------------ [ 52.315376] pinned CR4 bits changed: 0x100000!? 00000000001 # [ 50.261553] R13: 0000000000000001 R14: 0000000[ 52.320452] WARNING: CPU: 3 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 52.336861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000020000 R15: 0000000000020000 # [ 50.269529] Modules linked[ 52.363324] CPU: 3 PID: 1118 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 52.378182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.384989] RIP: 0010:native_write_cr4+0x45/0x60 [ 52.390148] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 4c b4 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.411133] RSP: 0018:ffff9dac019afe48 EFLAGS: 00010286 [ 52.416969] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.424940] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 52.432914] RBP: ffffffffb4581f85 R08: 0000000000000000 R09: 0000000000000000 [ 52.440887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.448859] R13: ffff9dac019aff10 R14: ffff9dac019aff10 R15: ffff8a1783c8b000 [ 52.456832] FS: 00007f0a69046580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 52.465875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.478509] CR2: 00007f0a68e4f000 CR3: 0000000103a92002 CR4: 00000000003706e0 ialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cr[ 52.486482] Call Trace: os_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x[ 52.495427] lkdtm_UNSET_SMEP.cold+0x1d/0x103 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.2959[ 52.506507] direct_entry.cold+0x2c/0x38 [ 52.517103] full_proxy_write+0x53/0x80 [ 52.521431] vfs_write+0xe7/0x3a0 [ 52.525164] ksys_write+0x68/0xf0 [ 52.528865] do_syscall_64+0x30/0x40 [ 52.532882] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.538525] RIP: 0033:0x7f0a68f5c8f3 [ 52.542517] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.563527] RSP: 002b:00007ffe316821a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 89] CR2: 0000000000000000 # [ 50.305902] ---[ end trace 9a2c6[ 52.571996] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0a68f5c8f3 [ 52.586175] RDX: 000000000000000b RSI: 00007f0a68e4f000 RDI: 0000000000000001 [ 52.594147] RBP: 00007f0a68e4f000 R08: 00007f0a68e4e010 R09: 0000000000000000 [ 52.602120] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.610093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.618068] irq event stamp: 0 69e02838d69 ]--- # [ 50.311059] RIP: 0010:lkdtm_BUG+0x5/0x10[ 52.621500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.634712] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.643848] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.652984] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.659983] ---[ end trace 9a2c669e02838d6c ]--- [ 52.665140] lkdtm: ok: SMEP did not get cleared [ 52.670198] lkdtm: trying to clear SMEP with call gadget [ 52.676128] lkdtm: ok: SMEP removal was reverted # [ 50.321659] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 50.342644] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 50.354693] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.362662] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 50.370630] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.378602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.386571] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 50.394542] FS: 00007f11e77ff580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 50.403581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.409997] CR2: 0000000000000000 CR3: 00000001064bc005 CR4: 00000000003706e0 # [ 50.417[ 52.773862] lkdtm: Performing direct entry DOUBLE_FAULT 967] BUG: sleeping function called from invalid context at inclu[ 52.780387] lkdtm: XFAIL: this test is ia32-only de/linux/percpu-rwsem.h:49 # [ 50.427871] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat # [ 50.436230] INFO: lockdep is turned off. # [ 50.440604] irq event stamp: 0 # [ 50.444011] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.451011] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.460147] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.469282] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.476282] CPU: 3 PID: 824 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 50.484825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.491630] Call Trace: # [ 50.494375] dump_stack+0x77/0x9b # [ 50.498080] ___might_sleep.cold+0xa6/0xb6 # [ 50.508864] exit_signals+0x1c/0x2e0 # [ 50.512844] do_exit+0xd5/0xb00 # [ 50.516338] ? ksys_write+0x68/0xf0 # [ 50.520232] rewind_stack_do_exit+0x17/0x20 # [ 50.524901] RIP: 0033:0x7f11e77158f3 # [ 50.528888] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 52.904283] lkdtm: Performing direct entry CORRUPT_PAC f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.549871] RSP: 002[ 52.915646] lkdtm: XFAIL: this test is arm64-only b:00007ffcd55e4dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.558325] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11e77158f3 # [ 50.566293] RDX: 000000000000000a RSI: 00007f11e7608000 RDI: 0000000000000001 # [ 50.574260] RBP: 00007f11e7608000 R08: 00007f11e7607010 R09: 0000000000000000 # [ 50.582229] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.590198] 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[ 53.009024] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.021505] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 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 # [ 50.813817] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.821967] lkdtm: attempting good list addition # [ 50.833363] lkdtm: attempting corrupted list addition # [ 50.845216] 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 # [ 50.985489] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.994104] lkdtm: attempting good list removal # [ 51.005389] lkdtm: attempting corrupted list removal # [ 51.017149] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 51.100487] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.110685] lkdtm: attempting bad read from page below current stack # [ 51.124026] BUG: stack guard page was hit at 00000000cc4de57f (stack is 000000004721f5f8..0000000056dfcda7) # [ 51.141101] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.147908] CPU: 1 PID: 1049 Comm: cat Tainted[ 53.166582] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.178240] lkdtm: Value in memory before free: 12345678 : G D W 5.10.147-cip18 #1 # [ 51.162770] Hardwar[ 53.184182] lkdtm: Attempting bad read from freed memory e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.169577][ 53.196327] lkdtm: Memory was not poisoned RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.176093] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 58 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 58 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 51.203287] RSP: 0018:ffff9dac018a7e50 EFLAGS: 00010246 # [ 51.209121] RAX: 0000000000000038 RBX: ffff9dac018a4000 RCX: 0000000000000000 # [ 51.217081] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb4582828 # [ 51.225049] RBP: ffffffffb4581f52 R08: 0000000000000000 R09: 0000000000000000 # [ 51.233016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.240984] R13: ffff9dac018a7f10 R14: ffff9dac018a7f10 R15: ffff8a178287c000 # [ 51.248952] FS: 00007f668e915580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 51.257989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.264403] CR2: ffff9dac018a3fff CR3: 00000001026f0002 CR4: 00000000003706e0 # [ 51.272393] Call Trace: # [ 51.275121] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 51.280180] direct_entry.cold+0x2c/0x38 # [ 51.284558] ful[ 53.315826] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE l_proxy_write+0x53/0x80 # [ 51.288841] vfs_write+0xe7/0x3a0[ 53.325732] lkdtm: Value in memory before free: 12345678 # [ 51.298749] ksys_write+0x68/0xf0 # [ 51.302437] do_sy[ 53.337883] lkdtm: Attempting to read from freed memory scall_64+0x30/0x40 # [ 51.306434] entry_SYSCALL_64_after_hwf[ 53.349934] lkdtm: Buddy page was not poisoned rame+0x61/0xc6 # [ 51.312073] RIP: 0033:0x7f668e82b8f3 # [ 51.316060] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.337043] RSP: 002b:00007ffdfccf5ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.345497] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f668e82b8f3 # [ 51.353465] RDX: 0000000000000019 RSI: 00007f668e71e000 RDI: 0000000000000001 # [ 51.361435] RBP: 00007f668e71e000 R08: 00007f668e71d010 R09: 0000000000000000 # [ 51.369402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.377381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.385372] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_the[ 53.460330] lkdtm: Performing direct entry SLAB_FREE_DOUBLE rmal cros_ec_dev cros_usbpd_notify # [ 51.418014] ---[ end tr[ 53.466814] lkdtm: Attempting double slab free ... ace 9a2c669e02838d6a ]--- # [ 51.423168] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.427543] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 51.448522] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 51.454353] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.462345] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 51.470313] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.478282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.486252] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 51.494221] FS: 00007f668e915580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 51.503259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.509674] CR2: ffff9dac018a3fff CR3: 00000001026f0002 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 # [ 51.601560] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51[ 53.597687] lkdtm: Performing direct entry SLAB_FREE_CROSS .611753] lkdtm: attempting bad read from page above current stac[ 53.608825] lkdtm: Attempting cross-cache slab free ... k # [ 51.618860] BUG: stack guard page was hit at 00000000443c4eb2 (stack is 00000000ec62bbe8..00000000557733dd) # [ 51.635945] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.642752] CPU: 1 PID: 1082 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 51.657616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.664437] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.671048] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 58 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 58 b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 51.698242] RSP: 0018:ffff9dac0192fe50 EFLAGS: 00010246 # [ 51.704075] RAX: 0000000000000038 RBX: ffff9dac0192c000 RCX: 0000000000000000 # [ 51.712044] RDX: 0000000000000000 RSI: ff[ 53.698683] lkdtm: Performing direct entry SLAB_FREE_PAGE ff8a17fac9bf70 RDI: ffffffffb45828a0 # [ 51.720012] RBP: ffff[ 53.707683] lkdtm: Attempting non-Slab slab free ... ffffb4581f6b R08: 0000000000000000 R09: 0000000000000000 # [ 51.727980] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.735949] R13: ffff9dac0192ff10 R14: ffff9dac0192ff10 R15: ffff8a178388b000 # [ 51.743919] FS: 00007f6d14c4f580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 51.752956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.759381] CR2: ffff9dac01930000 CR3: 00000001058a0001 CR4: 00000000003706e0 # [ 51.767349] Call Trace: # [ 51.770076] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.775909] direct_entry.cold+0x2c/0x38 # [ 51.780287] full_proxy_write+0x53/0x80 # [ 51.784568] vfs_write+0xe7/0x3a0 # [ 51.788267] ksys_write+0x68/0xf0 # [ 51.791963] do_syscall_64+0x30/0x40 # [ 51.795952] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.801582] RIP: 0033:0x7f6d14b658f3 # [ 51.805562] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.826532] RSP: 002b:00007fff763b4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.834985] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d14b658f3 # [ 51.842952] RDX: 000000000000001a RSI: 00007f6d14a58000 RDI: 0000000000000001 # [ 51.850919] RBP: 00007f6d14a58000 R08: 00007f6d14a57010 R09: 0000000000000000 # [ 51.858885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.866853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.874831] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.907463] ---[ end trace 9a2c669e02838d6b ]--- # [ 51.912609] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.916984] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff [ 53.923123] lkdtm: Performing direct entry EXEC_DATA [ 53.930080] lkdtm: attempting ok execution at ffffffffb34dedc0 [ 53.936651] lkdtm: attempting bad execution at ffffffffb5e0c560 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 53.943279] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.957840] BUG: unable to handle page fault for address: ffffffffb5e0c560 [ 53.965520] #PF: supervisor instruction fetch in kernel mode [ 53.971829] #PF: error_code(0x0011) - permissions violation [ 53.978047] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000013c000e3 [ 53.985524] Oops: 0011 [#5] SMP PTI [ 53.989414] CPU: 2 PID: 1625 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 53.998105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.004910] RIP: 0010:data_area+0x0/0x40 [ 54.009286] Code: ff ff 00 85 3b 80 17 8a ff ff 00 84 3b 80 17 8a ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.030265] RSP: 0018:ffff9dac02197e48 EFLAGS: 00010246 [ 54.036089] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.044057] RDX: 0000000000000000 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 54.052025] RBP: ffffffffb5e0c560 R08: 0000000000000000 R09: 0000000000000000 [ 54.059993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.067961] R13: ffff9dac02197f10 R14: ffff9dac02197f10 R15: ffff8a1783def000 [ 54.075929] FS: 00007f1939955580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 54.084963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.091382] CR2: ffffffffb5e0c560 CR3: 0000000103c90003 CR4: 00000000003706e0 [ 54.099349] Call Trace: [ 54.102078] ? execute_location+0x45/0x56 [ 54.106552] ? direct_entry.cold+0x2c/0x38 [ 54.111123] ? full_proxy_write+0x53/0x80 [ 54.115596] ? vfs_write+0xe7/0x3a0 [ 54.119478] ? ksys_write+0x68/0xf0 [ 54.123386] ? do_syscall_64+0x30/0x40 [ 54.127560] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 44 00 00 83 05 20 db 92 02 # [ 51.937965] RSP: 0018:ffff9dac[ 54.133387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.166029] CR2: ffffffffb5e0c560 [ 54.169725] ---[ end trace 9a2c669e02838d6d ]--- [ 54.174878] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.179255] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 54.200234] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 54.206065] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.214032] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 54.222000] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 54.229967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.237935] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 54.245904] FS: 00007f1939955580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 54.254932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.261346] CR2: ffffffffb5e0c560 CR3: 0000000103c90003 CR4: 00000000003706e0 [ 54.269314] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.279224] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat [ 54.287678] INFO: lockdep is turned off. [ 54.292052] irq event stamp: 0 [ 54.295458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.302456] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.311590] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.320722] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.327719] CPU: 2 PID: 1625 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 54.336390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.343193] Call Trace: [ 54.345921] dump_stack+0x77/0x9b [ 54.349619] ___might_sleep.cold+0xa6/0xb6 [ 54.354191] exit_signals+0x1c/0x2e0 [ 54.358178] do_exit+0xd5/0xb00 [ 54.361680] ? ksys_write+0x68/0xf0 [ 54.365572] rewind_stack_do_exit+0x17/0x20 [ 54.370239] RIP: 0033:0x7f193986b8f3 [ 54.374226] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.395203] RSP: 002b:00007ffd7df38718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.403655] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f193986b8f3 [ 54.411622] RDX: 000000000000000a RSI: 00007f193975e000 RDI: 0000000000000001 [ 54.419589] RBP: 00007f193975e000 R08: 00007f193975d010 R09: 0000000000000000 [ 54.427557] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.435525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 013f7e60 EFLAGS: 00010286 # [ 51.943797] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.951767] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 51.959734] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.967702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.975669] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 51.983637] FS: 00007f6d14c4f580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 51.992673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.999089] CR2: ffff9dac01930000 CR3: 00000001058a0001 CR4: 00000000003706e0 # [ 52.007057] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.016967] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1082, name: cat # [ 52.025437] INFO: lockdep is turned off. # [ 52.029813] irq event stamp: 0 # [ 52.033218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.040216] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.049341] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.058465] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.065463] CPU: 1 PID: 1082 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 52.074102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.080903] Call Trace: # [ 52.083631] dump_stack+0x77/0x9b # [ 52.087331] ___might_sleep.cold+0xa6/0xb6 # [ 52.098113] exit_signals+0x1c/0x2e0 # [ 52.102099] do_exit+0x[ 54.603469] lkdtm: Performing direct entry EXEC_STACK d5/0xb00 # [ 52.105601] ? ksys_write+0x68/0xf0 # [ 52.109[ 54.610811] lkdtm: attempting ok execution at ffffffffb34dedc0 485] rewind_stack_do_exit+0x17/0x20 # [ 52.114155] RIP: 0033[ 54.623541] lkdtm: attempting bad execution at ffff9dac02227e18 :0x7f6d14b658f3 # [ 52.124372] Code: 8b 15 a1 25 0e 00 f7 d8 [ 54.636377] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.650927] BUG: unable to handle page fault for address: ffff9dac02227e18 [ 54.658604] #PF: supervisor instruction fetch in kernel mode [ 54.664922] #PF: error_code(0x0011) - permissions violation [ 54.671142] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103d6f067 PTE 8000000102660063 [ 54.680186] Oops: 0011 [#6] SMP PTI [ 54.684076] CPU: 0 PID: 1661 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 54.692722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.699525] RIP: 0010:0xffff9dac02227e18 [ 54.703900] Code: 00 00 18 7e 22 02 ac 9d ff ff 59 d5 b3 b3 ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 58 b4 ff ff ff ff 88 d6 b3 b3 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.724879] RSP: 0018:ffff9dac02227df8 EFLAGS: 00010246 [ 54.730712] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.738680] RDX: 0000000000000000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 [ 54.746648] RBP: ffff9dac02227e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.754614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.762582] R13: ffff9dac02227f10 R14: ffff9dac02227f10 R15: ffff8a17840ea000 [ 54.770550] FS: 00007fc5322e5580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 54.779587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.786001] CR2: ffff9dac02227e18 CR3: 0000000105bc0006 CR4: 00000000003706f0 [ 54.793970] Call Trace: [ 54.796698] ? execute_location+0x45/0x56 [ 54.801169] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.805643] ? direct_entry.cold+0x2c/0x38 [ 54.810214] ? full_proxy_write+0x53/0x80 [ 54.814688] ? vfs_write+0xe7/0x3a0 [ 54.818579] ? ksys_write+0x68/0xf0 [ 54.822471] ? do_syscall_64+0x30/0x40 [ 54.826652] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.832489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.858923] CR2: ffff9dac02227e18 [ 54.862619] ---[ end trace 9a2c669e02838d6e ]--- [ 54.867774] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.872150] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 54.893129] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 54.898960] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.906927] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 54.914895] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 54.922862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.930830] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 54.938798] FS: 00007fc5322e5580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 54.947835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.954249] CR2: ffff9dac02227e18 CR3: 0000000105bc0006 CR4: 00000000003706f0 [ 54.962216] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.972128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1661, name: cat [ 54.980581] INFO: lockdep is turned off. [ 54.984957] irq event stamp: 0 [ 54.988384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.995383] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.004515] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.013647] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.020645] CPU: 0 PID: 1661 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 55.029291] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.036095] Call Trace: [ 55.038820] dump_stack+0x77/0x9b [ 55.042523] ___might_sleep.cold+0xa6/0xb6 [ 55.047096] exit_signals+0x1c/0x2e0 [ 55.051083] do_exit+0xd5/0xb00 [ 55.054584] ? ksys_write+0x68/0xf0 [ 55.058476] rewind_stack_do_exit+0x17/0x20 [ 55.063141] RIP: 0033:0x7fc5321fb8f3 [ 55.067129] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.088108] RSP: 002b:00007ffecc201568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.096554] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc5321fb8f3 [ 55.104522] RDX: 000000000000000b RSI: 00007fc5320ee000 RDI: 0000000000000001 [ 55.112489] RBP: 00007fc5320ee000 R08: 00007fc5320ed010 R09: 0000000000000000 [ 55.120455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.128425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.145382] RSP: 002b:00007fff763b4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.160050] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d14b658f3 # [ 52.168017] RDX: 000000000000001a RSI: 00007f6d14a58000 RDI: 0000000000000001 # [ 52.175986] RBP: 00007f6d14a58000 R08: 00007f6d14a57010 R09: 0000000000000000 # [ 52.183955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.191922] 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 # [ 52.296625] lkdtm: Performing direct entry UNSET_SMEP # [ 52.304976] lkdtm: trying to clear SMEP normally # [ 52.310169] ------------[ cut here ]------------ # [ 52.315376] pinned CR4 bits changed: 0x100000!? # [ 52.320452] WARNING: CPU: 3 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.336861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros[ 55.261317] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.272788] lkdtm: attempting ok execution at ffffffffb34dedc0 [ 55.279344] lkdtm: attempting bad execution at ffff8a1784f9d800 [ 55.285993] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.294366] BUG: unable to handle page fault for address: ffff8a1784f9d800 _ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev c[ 55.302046] #PF: supervisor instruction fetch in kernel mode [ 55.314578] #PF: error_code(0x0011) - permissions violation ros_usbpd_notify # [ 52.363324] CPU: 3 PID: 1118 Comm: cat Ta[ 55.320799] PGD 13e01067 P4D 13e01067 PUD 10084c063 PMD 104f77063 PTE 8000000104f9d063 [ 55.335863] Oops: 0011 [#7] SMP PTI [ 55.339754] CPU: 2 PID: 1697 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 55.348393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.355198] RIP: 0010:0xffff8a1784f9d800 [ 55.359565] Code: 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.380545] RSP: 0018:ffff9dac022b7e38 EFLAGS: 00010246 [ 55.386388] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.394373] RDX: 0000000000000000 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 inted: G D W 5.10.147-cip18 #1 # [ 52.378182] Ha[ 55.402351] RBP: ffff8a1784f9d800 R08: 0000000000000000 R09: 0000000000000000 [ 55.416533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.424500] R13: ffff9dac022b7f10 R14: ffff9dac022b7f10 R15: ffff8a1785b45000 [ 55.432467] FS: 00007fea1e0f5580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 55.441503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.447916] CR2: ffff8a1784f9d800 CR3: 00000001026f0003 CR4: 00000000003706e0 [ 55.455883] Call Trace: [ 55.458611] ? execute_location+0x45/0x56 [ 55.463085] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.467750] ? direct_entry.cold+0x2c/0x38 [ 55.472321] ? full_proxy_write+0x53/0x80 [ 55.476786] ? vfs_write+0xe7/0x3a0 [ 55.480666] ? ksys_write+0x68/0xf0 [ 55.484559] ? do_syscall_64+0x30/0x40 [ 55.488740] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.494577] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.38[ 55.521032] CR2: ffff8a1784f9d800 [ 55.530942] ---[ end trace 9a2c669e02838d6f ]--- [ 55.536094] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.540469] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 55.561447] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 55.567278] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.575245] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 55.583213] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 55.591179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.599147] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 55.607115] FS: 00007fea1e0f5580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 55.616151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.622565] CR2: ffff8a1784f9d800 CR3: 00000001026f0003 CR4: 00000000003706e0 4989] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.390148] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 4c b4 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.411133] RSP: 0018:ffff9dac019afe48 EFLAGS: 00010286 # [ 52.416969] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.424940] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 52.432914] RBP: ffffffffb4581f85 R08: 0000000000000000 R09: 0000000000000000 # [ 52.440887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.448859] R13: ffff9dac019aff10 R14: ffff9dac019aff10 R15: ffff8a1783c8b000 # [ 52.456832] FS: 00007f0a69046580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 52.465875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.478509] CR2: 00007f0a68e4f000 CR3: 0000000103a92002 CR4: 00000000003706e0 # [ 52.486482] Call Trace: # [ 52.495427] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.506507] direct_entry.cold+0x2c/0x38 # [ 52.517103] full_proxy_write+0x53/0x80 # [ 52.521431] vfs_write+0xe7/0x3a0 # [ 52.525164] ksys_write+0x68/0xf0 # [ 52.528865] do_syscall_64+0x30/0x40 # [ 52.532882] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.538525] RIP: 0033:0x7f0a68f5c8f3 # [ 52.542517] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 55.782504] lkdtm: Performing direct entry EXEC_VMALLOC 54 24 18 # [ 52.563527] RSP: 002b:00007ffe316821a8 EFLAGS: 00[ 55.791862] lkdtm: attempting ok execution at ffffffffb34dedc0 000246 ORIG_RAX: 0000000000000001 # [ 52.571996] RAX: fffffff[ 55.804595] lkdtm: attempting bad execution at ffff9dac0066f000 fffffffda RBX: 000000000000000b RCX: 00007f0a68f5c8f3 # [ 52.[ 55.817438] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.832004] BUG: unable to handle page fault for address: ffff9dac0066f000 [ 55.839681] #PF: supervisor instruction fetch in kernel mode [ 55.845998] #PF: error_code(0x0011) - permissions violation [ 55.852218] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104fac067 PTE 8000000103b01063 586175] RDX: 000000000000000b RSI: 00007f0a68e4f000 RDI: 0000000[ 55.861258] Oops: 0011 [#8] SMP PTI [ 55.871377] CPU: 1 PID: 1733 Comm: cat Tainted: G D W 5.10.147-cip18 #1 000000001 # [ 52.594147] RBP: 00007f0a68e4f000 R08: 00007f0a6[ 55.880032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.893049] RIP: 0010:0xffff9dac0066f000 [ 55.897433] Code: Unable to access opcode bytes at RIP 0xffff9dac0066efd6. [ 55.905108] RSP: 0018:ffff9dac02357e38 EFLAGS: 00010246 [ 55.910940] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.918909] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 [ 55.926875] RBP: ffff9dac0066f000 R08: 0000000000000000 R09: 0000000000000000 [ 55.934843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.942810] R13: ffff9dac02357f10 R14: ffff9dac02357f10 R15: ffff8a1783b01000 [ 55.950777] FS: 00007fb7a37ff580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 55.959812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.966227] CR2: ffff9dac0066efd6 CR3: 0000000103c84002 CR4: 00000000003706e0 [ 55.974195] Call Trace: [ 55.976925] ? execute_location+0x45/0x56 8e4e010 R09: 0000000000000000 # [ 52.602120] R10: fffffffffff[ 55.981401] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.992280] ? direct_entry.cold+0x2c/0x38 [ 55.996852] ? full_proxy_write+0x53/0x80 [ 56.001325] ? vfs_write+0xe7/0x3a0 [ 56.005216] ? ksys_write+0x68/0xf0 [ 56.009107] ? do_syscall_64+0x30/0x40 [ 56.013293] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.6100[ 56.019129] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.051762] CR2: ffff9dac0066f000 [ 56.055450] ---[ end trace 9a2c669e02838d70 ]--- [ 56.060602] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.064977] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.085956] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 56.091788] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.099756] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 56.107723] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 56.115690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.123657] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 56.131626] FS: 00007fb7a37ff580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 56.140662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.147076] CR2: ffff9dac0066efd6 CR3: 0000000103c84002 CR4: 00000000003706e0 [ 56.155044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.164953] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1733, name: cat [ 56.173420] INFO: lockdep is turned off. 93] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 56.177804] irq event stamp: 0 [ 56.187430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.194440] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.203573] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.212707] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.219704] CPU: 1 PID: 1733 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 56.228350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.235152] Call Trace: [ 56.237880] dump_stack+0x77/0x9b 20000 # [ 52.618068] irq event stamp: 0 # [ 52.621500] har[ 56.241578] ___might_sleep.cold+0xa6/0xb6 [ 56.252379] exit_signals+0x1c/0x2e0 [ 56.256383] do_exit+0xd5/0xb00 [ 56.259885] ? ksys_write+0x68/0xf0 [ 56.263768] rewind_stack_do_exit+0x17/0x20 [ 56.268436] RIP: 0033:0x7fb7a37158f3 [ 56.272434] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.293428] RSP: 002b:00007ffd42b1f1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.301882] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb7a37158f3 [ 56.309850] RDX: 000000000000000d RSI: 00007fb7a3608000 RDI: 0000000000000001 [ 56.317818] RBP: 00007fb7a3608000 R08: 00007fb7a3607010 R09: 0000000000000000 [ 56.325786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.333746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.634712] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.643848] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.652984] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.659983] ---[ end trace 9a2c669e02838d6c ]--- # [ 52.665140] lkdtm: ok: SMEP did not get cleared # [ 52.670198] lkdtm: trying to clear SMEP with call gadget # [ 52.676128] 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 # [ 52.773862] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.780387] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.904283] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.915646] 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 # [ 53.009024] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.021505] lkdtm: XFAIL: arch has CO[ 56.461177] lkdtm: Performing direct entry EXEC_RODATA NFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRI[ 56.471789] lkdtm: attempting ok execution at ffffffffb34dedc0 TE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_[ 56.484536] lkdtm: attempting bad execution at ffffffffb419b320 STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.[ 56.497365] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.511897] BUG: unable to handle page fault for address: ffffffffb419b320 [ 56.519573] #PF: supervisor instruction fetch in kernel mode [ 56.525891] #PF: error_code(0x0011) - permissions violation [ 56.532111] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 [ 56.539602] Oops: 0011 [#9] SMP PTI [ 56.543492] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 56.552138] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.558944] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.564686] Code: ff ff f8 ea b3 b3 ff ff ff ff fa 22 58 b4 ff ff ff ff 3e d2 b3 b3 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 [ 56.585655] RSP: 0018:ffff9dac02407e48 EFLAGS: 00010246 [ 56.591488] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.599456] RDX: 0000000000000000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 [ 56.607430] RBP: ffffffffb419b320 R08: 0000000000000000 R09: 0000000000000000 [ 56.615397] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.623387] R13: ffff9dac02407f10 R14: ffff9dac02407f10 R15: ffff8a17838d7000 [ 56.631372] FS: 00007ff7ede33580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 56.640429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.646842] CR2: ffffffffb419b320 CR3: 0000000106468002 CR4: 00000000003706f0 [ 56.654808] Call Trace: [ 56.657537] ? execute_location+0x45/0x56 [ 56.662017] ? direct_entry.cold+0x2c/0x38 [ 56.666587] ? full_proxy_write+0x53/0x80 [ 56.671062] ? vfs_write+0xe7/0x3a0 [ 56.674953] ? ksys_write+0x68/0xf0 [ 56.678844] ? do_syscall_64+0x30/0x40 [ 56.683017] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.688843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.715278] CR2: ffffffffb419b320 [ 56.718965] ---[ end trace 9a2c669e02838d71 ]--- [ 56.724119] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.728494] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.749473] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 56.755306] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.763277] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 56.771244] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 56.779211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.787178] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 56.795146] FS: 00007ff7ede33580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 56.804173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.810585] CR2: ffffffffb419b320 CR3: 0000000106468002 CR4: 00000000003706f0 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 # [ 53.166582] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.178240] lkdtm: Value in memory before free: 12345678 # [ 53.184182] lkdtm: Attempting bad read from freed memory # [ 53.196327] 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 # [ 53.315826] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.325732] lkdtm: Value in memory before free: 12345678 # [ 53.337883] lkdtm: Attempting to read from freed memory # [ 53.349934] 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 # [ 53.460330] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.466814] 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 # [ 53.597687] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.608825] 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 # [ 53.698683] lkdtm: Perfor[ 56.997812] lkdtm: Performing direct entry EXEC_USERSPACE ming direct entry SLAB_FREE_PAGE # [ 53.707683] lkdtm: Attemp[ 57.004871] lkdtm: attempting ok execution at ffffffffb34dedc0 ting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call tra[ 57.017620] lkdtm: attempting bad execution at 00007fe4f1024000 ce:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # ex[ 57.030462] unable to execute userspace code (SMEP?) (uid: 0) [ 57.043066] BUG: unable to handle page fault for address: 00007fe4f1024000 [ 57.050744] #PF: supervisor instruction fetch in kernel mode [ 57.057060] #PF: error_code(0x0011) - permissions violation [ 57.063280] PGD 8000000103161067 P4D 8000000103161067 PUD 103ada067 PMD 104675067 PTE 115998067 it=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: [ 57.073002] Oops: 0011 [#10] SMP PTI [ 57.083203] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 57.091849] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.098653] RIP: 0010:0x7fe4f1024000 [ 57.102630] Code: Unable to access opcode bytes at RIP 0x7fe4f1023fd6. [ 57.109917] RSP: 0018:ffff9dac0248fe50 EFLAGS: 00010246 [ 57.115751] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.123719] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 [ 57.131685] RBP: 00007fe4f1024000 R08: 0000000000000000 R09: 0000000000000000 [ 57.139652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.147621] R13: ffff9dac0248ff10 R14: ffff9dac0248ff10 R15: ffff8a17831df000 [ 57.155590] FS: 00007fe4f0ff5580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 57.164618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.171031] CR2: 00007fe4f1024000 CR3: 00000001039dc006 CR4: 00000000003706e0 [ 57.178997] Call Trace: [ 57.181727] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP [ 57.187074] ? direct_entry.cold+0x2c/0x38 [ 57.197858] ? full_proxy_write+0x53/0x80 [ 57.202333] ? vfs_write+0xe7/0x3a0 [ 57.206224] ? ksys_write+0x68/0xf0 [ 57.210116] ? do_syscall_64+0x30/0x40 [ 57.214298] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs [ 57.220133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.252766] CR2: 00007fe4f1024000 [ 57.256462] ---[ end trace 9a2c669e02838d72 ]--- [ 57.261616] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.265992] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 57.286970] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 57.292802] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.300769] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 57.308737] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 57.316706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.324674] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 57.332642] FS: 00007fe4f0ff5580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 57.341678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.348091] CR2: 00007fe4f1024000 CR3: 00000001039dc006 CR4: 00000000003706e0 [ 57.356059] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.365969] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1805, name: cat [ 57.374441] INFO: lockdep is turned off. [ 57.378815] irq event stamp: 0 [ 57.382218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.389216] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.398349] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.407474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.414472] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 57.423119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.429920] Call Trace: [ 57.432648] dump_stack+0x77/0x9b the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # self[ 57.436346] ___might_sleep.cold+0xa6/0xb6 [ 57.447129] exit_signals+0x1c/0x2e0 [ 57.451117] do_exit+0xd5/0xb00 [ 57.454611] ? ksys_write+0x68/0xf0 [ 57.458503] rewind_stack_do_exit+0x17/0x20 [ 57.463171] RIP: 0033:0x7fe4f0f0b8f3 [ 57.467159] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.488136] RSP: 002b:00007ffe285429e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.496590] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fe4f0f0b8f3 [ 57.504557] RDX: 000000000000000f RSI: 00007fe4f0dfe000 RDI: 0000000000000001 [ 57.512524] RBP: 00007fe4f0dfe000 R08: 00007fe4f0dfd010 R09: 0000000000000000 [ 57.520492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.528460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tests: 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 # [ 53.923123] lkdtm: Performing direct entry EXEC_DATA # [ 53.930080] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 53.936651] lkdtm: attempting bad execution at ffffffffb5e0c560 # [ 53.943279] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.957840] BUG: unable to handle page fault for address: ffffffffb5e0c560 # [ 53.965520] #PF: supervisor instruction fetch in kernel mode # [ 53.971829] #PF: error_code(0x0011) - permissions violation # [ 53.978047] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000013c000e3 # [ 53.985524] Oops: 0011 [#5] SMP PTI # [ 53.989414] CPU: 2 PID: 1625 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 53.998105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.004910] RIP: 0010:data_area+0x0/0x40 # [ 54.009286] Code: ff ff 00 85 3b 80 17 8a ff ff 00 84 3b 80 17 8a 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 c[ 57.658497] lkdtm: Performing direct entry EXEC_NULL c cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.030265][ 57.666354] lkdtm: attempting ok execution at ffffffffb34dedc0 RSP: 0018:ffff9dac02197e48 EFLAGS: 00010246 # [ 54.036089] R[ 57.679109] lkdtm: attempting bad execution at 0000000000000000 AX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000[ 57.691935] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.705884] #PF: supervisor instruction fetch in kernel mode [ 57.712200] #PF: error_code(0x0010) - not-present page [ 57.717934] PGD 0 P4D 0 [ 57.720757] Oops: 0010 [#11] SMP PTI [ 57.724744] CPU: 0 PID: 1841 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 57.733388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.740191] RIP: 0010:0x0 [ 57.743110] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.750787] RSP: 0018:ffff9dac024ffe48 EFLAGS: 00010246 [ 57.756620] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.764587] RDX: 0000000000000000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 [ 57.772554] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.780522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.788490] R13: ffff9dac024fff10 R14: ffff9dac024fff10 R15: ffff8a1784a3c000 [ 57.796457] FS: 00007f1723b3a580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 57.805493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.811907] CR2: ffffffffffffffd6 CR3: 0000000103118005 CR4: 00000000003706f0 [ 57.819874] Call Trace: [ 57.822602] execute_location+0x45/0x56 [ 57.826888] direct_entry.cold+0x2c/0x38 [ 57.831265] full_proxy_write+0x53/0x80 [ 57.835545] vfs_write+0xe7/0x3a0 [ 57.839247] ksys_write+0x68/0xf0 [ 57.842945] do_syscall_64+0x30/0x40 [ 57.846932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.852569] RIP: 0033:0x7f1723a508f3 [ 57.856557] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.877537] RSP: 002b:00007ffed300cb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.885989] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1723a508f3 [ 57.893956] RDX: 000000000000000a RSI: 00007f1723943000 RDI: 0000000000000001 [ 57.901922] RBP: 00007f1723943000 R08: 00007f1723942010 R09: 0000000000000000 [ 57.909891] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.917858] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.925830] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.952265] CR2: 0000000000000000 [ 57.955962] ---[ end trace 9a2c669e02838d73 ]--- [ 57.961106] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.965473] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 57.986452] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 57.992283] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.000250] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 58.008217] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 58.016184] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.024152] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 58.032121] FS: 00007f1723b3a580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 [ 58.041157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.047573] CR2: ffffffffffffffd6 CR3: 0000000103118005 CR4: 00000000003706f0 # [ 54.044057] RDX: 0000000000000000 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 54.052025] RBP: ffffffffb5e0c560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.059993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.067961] R13: ffff9dac02197f10 R14: ffff9dac02197f10 R15: ffff8a1783def000 # [ 54.075929] FS: 00007f1939955580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 54.084963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.091382] CR2: ffffffffb5e0c560 CR3: 0000000103c90003 CR4: 00000000003706e0 # [ 54.099349] Call Trace: # [ 54.102078] ? execute_location+0x45/0x56 # [ 54.106552] ? direct_entry.cold+0x2c/0x38 # [ 54.111123] ? full_proxy_write+0x53/0x80 # [ 54.115596] ? vfs_write+0xe7/0x3a0 # [ 54.119478] ? ksys_write+0x68/0xf0 # [ 54.123386] ? do_syscall_64+0x30/0x40 # [ 54.127560] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.133387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.166029] CR2: ffffffffb5e0c560 # [ 54.169725] ---[ end trace 9a2c669e02838d6d ]--- # [ 54.174878] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.179255] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 54.200234] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 54.206065] [ 58.213328] lkdtm: Performing direct entry ACCESS_USERSPACE RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 000000000000000[ 58.223406] lkdtm: attempting bad read at 00007f5e1d13f000 0 # [ 54.214032] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 [ 58.235774] BUG: unable to handle page fault for address: 00007f5e1d13f000 [ 58.249668] #PF: supervisor read access in kernel mode [ 58.255404] #PF: error_code(0x0001) - permissions violation RD[I: ffffffffb419ae90 # [ 54.222000] RBP: ffffffffb45dd3c0 R0 58.261624] PGD 80000001028d6067 P4D 80000001028d6067 PUD 102a08067 PMD 103f2e067 PTE 115a10067 [ 58.277562] Oops: 0001 [#12] SMP PTI [ 58.281549] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 58.290198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.297005] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 58.303225] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 58 b4 e8 09 9a fd ff 48 c7 c7 40 30 58 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 58 [ 58.324203] RSP: 0018:ffff9dac0259fe48 EFLAGS: 00010246 [ 58.330027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.337993] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb4583040 [ 58.345961] RBP: 00007f5e1d13f000 R08: 0000000000000000 R09: 0000000000000000 [ 58.353929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.361897] R13: ffff9dac0259ff10 R14: ffff9dac0259ff10 R15: ffff8a1784aa6000 [ 58.369865] FS: 00007f5e1d110580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 58.378901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.385314] CR2: 00007f5e1d13f000 CR3: 0000000103128003 CR4: 00000000003706e0 [ 58.393282] Call Trace: [ 58.396009] direct_entry.cold+0x2c/0x38 [ 58.400386] full_proxy_write+0x53/0x80 [ 58.404666] vfs_write+0xe7/0x3a0 [ 58.408381] ksys_write+0x68/0xf0 [ 58.412080] do_syscall_64+0x30/0x40 [ 58.416067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.421704] RIP: 0033:0x7f5e1d0268f3 [ 58.425691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.446669] RSP: 002b:00007fff6b6c7568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.455124] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5e1d0268f3 [ 58.463091] RDX: 0000000000000011 RSI: 00007f5e1cf19000 RDI: 0000000000000001 [ 58.471059] RBP: 00007f5e1cf19000 R08: 00007f5e1cf18010 R09: 0000000000000000 [ 58.479026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.486994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.494966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8: 0000000000000001 R09: 0000000000000001 # [ 54.229967] R10:[ 58.521421] CR2: 00007f5e1d13f000 [ 58.531330] ---[ end trace 9a2c669e02838d74 ]--- [ 58.536484] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.540858] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 58.561839] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 58.567671] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.575638] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 58.583604] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 58.591572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.599539] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 58.607507] FS: 00007f5e1d110580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 58.616544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.622957] CR2: 00007f5e1d13f000 CR3: 0000000103128003 CR4: 00000000003706e0 [ 58.630926] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.640829] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1876, name: cat [ 58.649283] INFO: lockdep is turned off. [ 58.653657] irq event stamp: 0 [ 58.657060] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.664058] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.673190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.682323] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.689321] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 58.697967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.704770] Call Trace: [ 58.707496] dump_stack+0x77/0x9b [ 58.711194] ___might_sleep.cold+0xa6/0xb6 [ 58.715764] exit_signals+0x1c/0x2e0 [ 58.719753] do_exit+0xd5/0xb00 [ 58.723255] ? ksys_write+0x68/0xf0 [ 58.727148] rewind_stack_do_exit+0x17/0x20 [ 58.731814] RIP: 0033:0x7f5e1d0268f3 [ 58.735802] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.756782] RSP: 002b:00007fff6b6c7568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.765236] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5e1d0268f3 [ 58.773204] RDX: 0000000000000011 RSI: 00007f5e1cf19000 RDI: 0000000000000001 [ 58.781172] RBP: 00007f5e1cf19000 R08: 00007f5e1cf18010 R09: 0000000000000000 [ 58.789140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.797109] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.237935] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 54.245904] FS: 00007f1939955580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 54.254932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.261346] CR2: ffffffffb5e0c560 CR3: 0000000103c90003 CR4: 00000000003706e0 # [ 54.269314] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.279224] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat # [ 54.287678] INFO: lockdep is turned off. # [ 54.292052] irq event stamp: 0 # [ 54.295458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.302456] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.311590] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.320722] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.327719] CPU: 2 PID: 1625 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 54.336390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.343193] Call Trace: # [ 54.345921] dump_stack+0x77/0x9b # [ 54.349619] ___might_sleep.cold+0xa6/0xb6 # [ 54.354191] exit_signals+0x1c/0x2e0 # [ 54.358178] do_exit+0xd5/0xb00 # [ 54.361680] ? ksys_write+0x68/0xf0 # [ 54.365572] rewind_stack_do_exit+0x17/0x20 # [ 54.370239] RIP: 0033:0x7f193986b8f3 # [ 54.374226] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 58.960945] lkdtm: Performing direct entry ACCESS_NULL d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 58.972462] lkdtm: attempting bad read at 0000000000000000 [ 54.395203] RSP: 002b:00007ffd7df38718 EFLAGS: 00000246 ORIG[ 58.984816] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.998798] #PF: supervisor read access in kernel mode [ 59.004535] #PF: error_code(0x0000) - not-present page [ 59.010272] PGD 0 P4D 0 [ 59.013098] Oops: 0000 [#13] SMP PTI [ 59.017086] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.025735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.032540] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 59.037791] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 58 b4 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 58 b4 48 01 [ 59.058764] RSP: 0018:ffff9dac0263fe58 EFLAGS: 00010246 [ 59.064598] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 59.072566] RDX: 0000000000000000 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 59.080534] RBP: ffffffffb4582109 R08: 0000000000000000 R09: 0000000000000000 [ 59.088503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 59.096472] R13: ffff9dac0263ff10 R14: ffff9dac0263ff10 R15: ffff8a1783f84000 [ 59.104442] FS: 00007f01bb846580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 59.113470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.119884] CR2: 0000000000000000 CR3: 000000010598e006 CR4: 00000000003706e0 [ 59.127852] Call Trace: [ 59.130580] direct_entry.cold+0x2c/0x38 [ 59.134958] full_proxy_write+0x53/0x80 [ 59.139238] vfs_write+0xe7/0x3a0 [ 59.142935] ksys_write+0x68/0xf0 [ 59.146632] do_syscall_64+0x30/0x40 [ 59.150612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.156250] RIP: 0033:0x7f01bb75c8f3 [ 59.160237] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.181220] RSP: 002b:00007ffcde17c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.189675] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f01bb75c8f3 [ 59.197644] RDX: 000000000000000c RSI: 00007f01bb64f000 RDI: 0000000000000001 [ 59.205613] RBP: 00007f01bb64f000 R08: 00007f01bb64e010 R09: 0000000000000000 [ 59.213581] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.221549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.229521] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _RAX: 0000000000000001 # [ 54.403655] RAX: ffffffffffffffda R[ 59.255978] CR2: 0000000000000000 [ 59.265886] ---[ end trace 9a2c669e02838d75 ]--- [ 59.271040] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.275429] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 59.296445] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 59.302277] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.310246] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 59.318215] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 59.326183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.334150] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 59.342119] FS: 00007f01bb846580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 59.351156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.357572] CR2: 0000000000000000 CR3: 000000010598e006 CR4: 00000000003706e0 [ 59.365541] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.375452] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1911, name: cat [ 59.383907] INFO: lockdep is turned off. [ 59.388283] irq event stamp: 0 [ 59.391687] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.398685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.407818] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.416952] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.423949] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.432596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.439398] Call Trace: [ 59.442125] dump_stack+0x77/0x9b [ 59.445814] ___might_sleep.cold+0xa6/0xb6 [ 59.450386] exit_signals+0x1c/0x2e0 [ 59.454384] do_exit+0xd5/0xb00 [ 59.457886] ? ksys_write+0x68/0xf0 [ 59.461778] rewind_stack_do_exit+0x17/0x20 [ 59.466447] RIP: 0033:0x7f01bb75c8f3 [ 59.470437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.491420] RSP: 002b:00007ffcde17c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.499893] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f01bb75c8f3 [ 59.507862] RDX: 000000000000000c RSI: 00007f01bb64f000 RDI: 0000000000000001 [ 59.515832] RBP: 00007f01bb64f000 R08: 00007f01bb64e010 R09: 0000000000000000 [ 59.523800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.531769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 BX: 000000000000000a RCX: 00007f193986b8f3 # [ 54.411622] RDX: 000000000000000a RSI: 00007f193975e000 RDI: 0000000000000001 # [ 54.419589] RBP: 00007f193975e000 R08: 00007f193975d010 R09: 0000000000000000 # [ 54.427557] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.435525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.603469] lkdtm: Performing direct entry EXEC_STACK # [ 54.610811] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 54.623541] lkdtm: attempting bad execution at ffff9dac02227e18 # [ 54.636377] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.650927] BUG: unable to handle page fault for address: ffff9dac02227e18 # [ 54.658604] #PF: supervisor instruction fetch in kernel mode # [ 54.664922] #PF: error_code(0x0011) - permissions violation # [ 54.671142] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103d6f067 PTE 8000000102660063 # [ 54.680186] Oops: 0011 [#6] SMP PTI # [ 54.684076] CPU: 0 PID: 1661 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 54.692722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.699525] RIP: 0010:0xffff9dac02227e1[ 59.666788] lkdtm: Performing direct entry WRITE_RO [ 59.675743] lkdtm: attempting bad rodata write at ffffffffb419b310 [ 59.682703] BUG: unable to handle page fault for address: ffffffffb419b310 8 # [ 54.703900] Code: 00 00 18 7e 22 02 ac 9d ff ff 59 d5 b3[ 59.690391] #PF: supervisor write access in kernel mode [ 59.702435] #PF: error_code(0x0003) - permissions violation [ 59.708657] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 b3 ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 58 b4 ff ff ff ff [ 59.716147] Oops: 0003 [#14] SMP PTI [ 59.726347] CPU: 3 PID: 1946 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.734997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.741804] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 88 d6 b3 b3 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f[ 59.746765] Code: 00 48 c7 c7 f8 2e 58 b4 48 c7 c6 10 b3 19 b4 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f 58 b4 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d [ 59.773960] RSP: 0018:ffff9dac026e7e60 EFLAGS: 00010202 [ 59.779786] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.787747] RDX: 00000000abcd1234 RSI: ffff8a17fad9bf70 RDI: ffffffffb4582f28 [ 59.795715] RBP: ffffffffb4582115 R08: 0000000000000000 R09: 0000000000000000 [ 59.803684] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.811651] R13: ffff9dac026e7f10 R14: ffff9dac026e7f10 R15: ffff8a1783f13000 [ 59.819621] FS: 00007fbe1281e580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 59.828658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.835073] CR2: ffffffffb419b310 CR3: 0000000103c26004 CR4: 00000000003706e0 [ 59.843041] Call Trace: [ 59.845769] direct_entry.cold+0x2c/0x38 [ 59.850149] full_proxy_write+0x53/0x80 [ 59.854437] vfs_write+0xe7/0x3a0 [ 59.858125] ksys_write+0x68/0xf0 [ 59.861823] do_syscall_64+0x30/0x40 [ 59.865813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.871452] RIP: 0033:0x7fbe127348f3 [ 59.875439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.896435] RSP: 002b:00007fff7814e628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.904889] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbe127348f3 [ 59.912858] RDX: 0000000000000009 RSI: 00007fbe12627000 RDI: 0000000000000001 [ 59.920825] RBP: 00007fbe12627000 R08: 00007fbe12626010 R09: 0000000000000000 [ 59.928795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.936763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.944736] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 44 00 00 0f 1f 44 00 00 55 # [ 54.724879] RSP: 0018:ffff9dac[ 59.971196] CR2: ffffffffb419b310 [ 59.981107] ---[ end trace 9a2c669e02838d76 ]--- [ 59.986261] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.990628] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.011610] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 60.017435] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.025405] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 60.033385] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.041356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.049350] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 60.057311] FS: 00007fbe1281e580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 60.066341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.072756] CR2: ffffffffb419b310 CR3: 0000000103c26004 CR4: 00000000003706e0 02227df8 EFLAGS: 00010246 # [ 54.730712] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.738680] RDX: 0000000000000000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 54.746648] RBP: ffff9dac02227e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.754614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.762582] R13: ffff9dac02227f10 R14: ffff9dac02227f10 R15: ffff8a17840ea000 # [ 54.770550] FS: 00007fc5322e5580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 54.779587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.786001] CR2: ffff9dac02227e18 CR3: 0000000105bc0006 CR4: 00000000003706f0 # [ 54.793970] Call Trace: # [ 54.796698] ? execute_location+0x45/0x56 # [ 54.801169] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.805643] ? direct_entry.cold+0x2c/0x38 # [ 54.810214] ? full_proxy_write+0x53/0x80 # [ 54.814688] ? vfs_write+0xe7/0x3a0 # [ 54.818579] ? ksys_write+0x68/0xf0 # [ 54.822471] ? do_syscall_64+0x30/0x40 # [ 54.826652] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.832489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 60.197043] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 60.205372] lkdtm: attempting bad ro_after_init write at ffffffffb45fe330 [ 60.212974] BUG: unable to handle page fault for address: ffffffffb45fe330 [ 60.220661] #PF: supervisor write access in kernel mode ed_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightba[ 60.226496] #PF: error_code(0x0003) - permissions violation [ 60.238931] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 80000000122000e1 r cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_t[ 60.246421] Oops: 0003 [#15] SMP PTI [ 60.256620] CPU: 3 PID: 1981 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 60.265260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.272067] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 60.278095] Code: 2f 58 b4 e9 e3 9b fd ff 48 c7 c7 80 2f 58 b4 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f 58 b4 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.299077] RSP: 0018:ffff9dac0273fe60 EFLAGS: 00010202 [ 60.304909] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.312876] RDX: 00000000abcd1234 RSI: ffff8a17fad9bf70 RDI: ffffffffb4582f28 [ 60.320844] RBP: ffffffffb458211e R08: 0000000000000000 R09: 0000000000000000 [ 60.328812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.336780] R13: ffff9dac0273ff10 R14: ffff9dac0273ff10 R15: ffff8a1782660000 [ 60.344747] FS: 00007fc37b623580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 60.353784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.360198] CR2: ffffffffb45fe330 CR3: 00000001026f0003 CR4: 00000000003706e0 [ 60.368167] Call Trace: [ 60.370894] direct_entry.cold+0x2c/0x38 [ 60.375273] full_proxy_write+0x53/0x80 [ 60.379554] vfs_write+0xe7/0x3a0 [ 60.383250] ksys_write+0x68/0xf0 [ 60.386949] do_syscall_64+0x30/0x40 [ 60.390937] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.396575] RIP: 0033:0x7fc37b5398f3 [ 60.400563] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.421544] RSP: 002b:00007ffeed6c6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.430000] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc37b5398f3 [ 60.437967] RDX: 0000000000000014 RSI: 00007fc37b42c000 RDI: 0000000000000001 [ 60.445936] RBP: 00007fc37b42c000 R08: 00007fc37b42b010 R09: 0000000000000000 [ 60.453904] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.461873] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.469845] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify hermal cros_ec_dev cros_usbpd_notify # [ 54.858923] CR2: ffff[ 60.496301] CR2: ffffffffb45fe330 [ 60.506208] ---[ end trace 9a2c669e02838d77 ]--- [ 60.511386] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.515762] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.536741] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 60.542574] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.550542] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 60.558509] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.566478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.574448] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 60.582417] FS: 00007fc37b623580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 60.591451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.597866] CR2: ffffffffb45fe330 CR3: 00000001026f0003 CR4: 00000000003706e0 [ 60.605834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.615742] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1981, name: cat [ 60.624197] INFO: lockdep is turned off. [ 60.628572] irq event stamp: 0 [ 60.631976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.638974] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.648108] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.657242] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.664240] CPU: 3 PID: 1981 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 60.672887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.679690] Call Trace: [ 60.682418] dump_stack+0x77/0x9b [ 60.686116] ___might_sleep.cold+0xa6/0xb6 [ 60.690678] exit_signals+0x1c/0x2e0 [ 60.694667] do_exit+0xd5/0xb00 [ 60.698169] ? ksys_write+0x68/0xf0 [ 60.702061] rewind_stack_do_exit+0x17/0x20 [ 60.706729] RIP: 0033:0x7fc37b5398f3 [ 60.710716] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.731696] RSP: 002b:00007ffeed6c6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.740150] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc37b5398f3 [ 60.748118] RDX: 0000000000000014 RSI: 00007fc37b42c000 RDI: 0000000000000001 [ 60.756088] RBP: 00007fc37b42c000 R08: 00007fc37b42b010 R09: 0000000000000000 [ 60.764057] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.772026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9dac02227e18 # [ 54.862619] ---[ end trace 9a2c669e02838d6e ]--- # [ 54.867774] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.872150] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 54.893129] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 54.898960] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.906927] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 54.914895] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.922862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.930830] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 54.938798] FS: 00007fc5322e5580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 54.947835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.954249] CR2: ffff9dac02227e18 CR3: 0000000105bc0006 CR4: 00000000003706f0 # [ 54.962216] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.972128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1661, name: cat # [ 54.980581] INFO: lockdep is turned off. # [ 54.984957] irq event stamp: 0 # [ [ 60.907620] lkdtm: Performing direct entry WRITE_KERN [ 60.916216] lkdtm: attempting bad 6678339 byte write at ffffffffb3b3d503 [ 60.923766] BUG: unable to handle page fault for address: ffffffffb3b3d503 54.988384] hardirqs last enabled at (0): [<0000000000000000>][ 60.931465] #PF: supervisor write access in kernel mode [ 60.943511] #PF: error_code(0x0003) - permissions violation 0[x0 # [ 54.995383] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 55.004515] softirqs 60.982112] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.993482] Code: 53 48 c7 c3 03 d5 b3 b3 49 89 dc 48 89 da 49 81 ec c0 ed 4d b3 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 4d b3 a4 48 c7 c7 28 2f 58 b4 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 61.014463] RSP: 0018:ffff9dac027e7e50 EFLAGS: 00010246 [ 61.020295] RAX: 000000000000003c RBX: ffffffffb3b3d503 RCX: 000000000065e743 [ 61.028263] RDX: 0000000000000000 RSI: ffffffffb34dedc0 RDI: ffffffffb3b3d503 [ 61.036231] RBP: ffffffffb4582132 R08: 0000000000000000 R09: 0000000000000000 [ 61.044199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 [ 61.052167] R13: ffff9dac027e7f10 R14: ffff9dac027e7f10 R15: ffff8a17840d2000 [ 61.060134] FS: 00007f6a21cae580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 61.069171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.075586] CR2: ffffffffb3b3d503 CR3: 0000000104f14006 CR4: 00000000003706e0 [ 61.083554] Call Trace: [ 61.086282] direct_entry.cold+0x2c/0x38 [ 61.090659] full_proxy_write+0x53/0x80 [ 61.094940] vfs_write+0xe7/0x3a0 [ 61.098636] ksys_write+0x68/0xf0 [ 61.102333] do_syscall_64+0x30/0x40 [ 61.106314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.111953] RIP: 0033:0x7f6a21bc48f3 [ 61.115932] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.136911] RSP: 002b:00007fffd46ffa18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.145384] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a21bc48f3 [ 61.153353] RDX: 000000000000000b RSI: 00007f6a21ab7000 RDI: 0000000000000001 [ 61.161346] RBP: 00007f6a21ab7000 R08: 00007f6a21ab6010 R09: 0000000000000000 [ 61.169314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.177283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.185256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify last enabled at (0): [] copy_process+0x640/0x[ 61.211713] CR2: ffffffffb3b3d503 [ 61.221622] ---[ end trace 9a2c669e02838d78 ]--- [ 61.226768] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.231135] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 61.252115] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 [ 61.257947] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.265916] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 [ 61.273884] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 61.281852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.289820] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 [ 61.297789] FS: 00007f6a21cae580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 61.306825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.313241] CR2: ffffffffb3b3d503 CR3: 0000000104f14006 CR4: 00000000003706e0 1c80 # [ 55.013647] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.020645] CPU: 0 PID: 1661 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 55.029291] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.036095] Call Trace: # [ 55.038820] dump_stack+0x77/0x9b # [ 55.042523] ___might_sleep.cold+0xa6/0xb6 # [ 55.047096] exit_signals+0x1c/0x2e0 # [ 55.051083] do_exit+0xd5/0xb00 # [ 55.054584] ? ksys_write+0x68/0xf0 # [ 55.058476] rewind_stack_do_exit+0x17/0x20 # [ 55.063141] RIP: 0033:0x7fc5321fb8f3 # [ 55.067129] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.088108] RSP: 002b:00007ffecc201568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.096554] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc5321fb8f3 # [ 55.104522] RDX: 000000000000000b RSI: 00007fc5320ee000 RDI: 0000000000000001 # [ 55.112489] RBP: 00007fc5320ee000 R08: 00007fc5320ed010 R09: 0000000000000000 # [ 55.120455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.128425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok[ 61.446468] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KM[ 61.458475] lkdtm: attempting good refcount_inc() without overflow ALLOC.sh # Killed # [ 55.261317] lkdtm: Performing direct en[ 61.471597] lkdtm: attempting bad refcount_inc() overflow [ 61.483837] ------------[ cut here ]------------ try EXEC_KMALLOC # [ 55.272788] lkdtm: attempting ok executio[ 61.488994] refcount_t: saturated; leaking memory. n at ffffffffb34dedc0 # [ 55.279344] lkdtm: attempting bad ex[ 61.500584] WARNING: CPU: 1 PID: 2051 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ecution at ffff8a1784f9d800 # [ 55.285993] kernel tried to ex[ 61.516201] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ecute NX-protected page - exploit attempt? (uid: 0) # [ 55.29[ 61.548832] CPU: 1 PID: 2051 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 61.563698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4366] BUG: unable to handle page fault for address: ffff8a1784f9[ 61.570506] RIP: 0010:refcount_warn_saturate+0x51/0x110 d800 # [ 55.302046] #PF: supervisor instruction fetch in kern[ 61.582551] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 el mode # [ 55.314578] #PF: error_code(0x0011) - permissions [ 61.609751] RSP: 0018:ffff9dac0286fe48 EFLAGS: 00010286 violation # [ 55.320799] PGD 13e01067 P4D 13e01067 PUD 10084c[ 61.621800] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 063 PMD 104f77063 PTE 8000000104f9d063 # [ 55.335863] Oops: 0[ 61.635987] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 011 [#7] SMP PTI # [ 55.339754] CPU: 2 PID: 1697 Comm: cat Ta[ 61.650174] RBP: ffffffffb458213d R08: 0000000000000000 R09: 0000000000000000 inted: G D W 5.10.147-cip18 #1 # [ 55.348393] Ha[ 61.664383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.35[ 61.678592] R13: ffff9dac0286ff10 R14: ffff9dac0286ff10 R15: ffff8a1783139000 5198] RIP: 0010:0xffff8a1784f9d800 # [ 55.359565] Code: ff ff[ 61.692757] FS: 00007fe7dfda9580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 61.708008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 61.714434] CR2: 00007fe7dfbb2000 CR3: 00000001028e8001 CR4: 00000000003706e0 [ 61.728615] Call Trace: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f[ 61.731365] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 61.742905] direct_entry.cold+0x2c/0x38 [ 55.380545] RSP: 0018:ffff9dac022b7e38 EFLAGS: 00010246 # [ [ 61.753501] full_proxy_write+0x53/0x80 55.386388] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00[ 61.764000] vfs_write+0xe7/0x3a0 00000000000000 # [ 55.394373] RDX: 0000000000000000 RSI: ffff[ 61.773913] ksys_write+0x68/0xf0 8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 55.402351] RBP: ffff8a[ 61.783828] do_syscall_64+0x30/0x40 1784f9d800 R08: 0000000000000000 R09: 0000000000000000 # [ 55[ 61.794035] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.805891] RIP: 0033:0x7fe7dfcbf8f3 .416533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 61.809882] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000d # [ 55.424500] R13: ffff9dac022b7f10 R14: ffff9dac[ 61.837073] RSP: 002b:00007fffa610e848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.851745] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe7dfcbf8f3 022b7f10 R15: ffff8a1785b45000 # [ 55.432467] FS: 00007fea1e[ 61.859718] RDX: 0000000000000016 RSI: 00007fe7dfbb2000 RDI: 0000000000000001 0f5580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 #[ 61.873898] RBP: 00007fe7dfbb2000 R08: 00007fe7dfbb1010 R09: 0000000000000000 [ 61.888084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.896057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.441503] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 61.904035] irq event stamp: 0 3 # [ 55.447916] CR2: ffff8a1784f9d800 CR3: 00000001026f0003 [ 61.913652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 CR4: 00000000003706e0 # [ 55.455883] Call Trace: # [ 55.45[ 61.926868] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 8611] ? execute_location+0x45/0x56 # [ 55.463085] ? lkdtm_E[ 61.942220] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 XEC_KMALLOC+0x2c/0x40 [ 61.957572] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.966805] ---[ end trace 9a2c669e02838d79 ]--- [ 61.971963] lkdtm: Overflow detected: saturated # [ 55.467750] ? direct_entry.cold+0x2c/0x38 # [ 55.472321] ? full_proxy_write+0x53/0x80 # [ 55.476786] ? vfs_write+0xe7/0x3a0 # [ 55.480666] ? ksys_write+0x68/0xf0 # [ 55.484559] ? do_syscall_64+0x30/0x40 # [ 55.488740] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.494577] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.521032] CR2: ffff8a1784f9d800 # [ 55.530942] ---[ end trace 9a2c669e02838d6f ]--- # [ 55.536094] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.540469] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 55.561447] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 55.567278] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.575245] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: f[ 62.084554] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 62.093985] lkdtm: attempting good refcount_add() without overflow [ 62.100897] lkdtm: attempting bad refcount_add() overflow [ 62.106941] ------------[ cut here ]------------ [ 62.112105] refcount_t: saturated; leaking memory. [ 62.117484] WARNING: CPU: 3 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 fffffffb419ae90 # [ 55.583213] RBP: ffffffffb45dd3c0 R08: 000[ 62.126923] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.159557] CPU: 3 PID: 2083 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 62.168238] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.175046] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 62.180904] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 [ 62.201893] RSP: 0018:ffff9dac0290fe48 EFLAGS: 00010286 [ 62.207761] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 62.215736] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 62.223708] RBP: ffffffffb4582153 R08: 0000000000000000 R09: 0000000000000000 [ 62.231683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.239655] R13: ffff9dac0290ff10 R14: ffff9dac0290ff10 R15: ffff8a1784f40000 0000000000001 R09: 0000000000000001 # [ 55.591179] R10: 00000[ 62.247630] FS: 00007fd0cdb24580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 5[ 62.262885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.275518] CR2: 00007fd0cd92d000 CR3: 000000010277c004 CR4: 00000000003706e0 [ 62.283489] Call Trace: [ 62.286220] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 62.291605] direct_entry.cold+0x2c/0x38 [ 62.296015] full_proxy_write+0x53/0x80 [ 62.300323] vfs_write+0xe7/0x3a0 [ 62.304071] ksys_write+0x68/0xf0 5.599147] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8[ 62.307786] do_syscall_64+0x30/0x40 [ 62.317980] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.323622] RIP: 0033:0x7fd0cda3a8f3 [ 62.327613] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.348595] RSP: 002b:00007fffcc2b4af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.357054] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd0cda3a8f3 [ 62.365025] RDX: 0000000000000016 RSI: 00007fd0cd92d000 RDI: 0000000000000001 [ 62.372997] RBP: 00007fd0cd92d000 R08: 00007fd0cd92c010 R09: 0000000000000000 [ 62.380969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.388940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.396915] irq event stamp: 0 a1783af3000 # [ 55.607115] FS: 00007fea1e0f5580(0000) GS:fff[ 62.400347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.413554] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.422691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.431827] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.438827] ---[ end trace 9a2c669e02838d7a ]--- [ 62.443982] lkdtm: Overflow detected: saturated f8a17fad00000(0000) knlGS:0000000000000000 # [ 55.616151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.622565] CR2: ffff8a1784f9d800 CR3: 00000001026f0003 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.782504] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.791862] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 55.804595] lkdtm: attempting bad execution at ffff9dac0066f000 # [ 55.817438] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.832004] BUG: unable to handle page fault for address: ffff9dac0066f000 # [ 55.839681] #PF: supervisor instruction fetch in kernel mode # [ 55.845998] #PF: error_code(0x0011) - permissions violation # [ 55.852218] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104fac067 PTE 8000000103b01063 # [ 55.861258] Oops: 0011 [#8] SMP PTI # [ 55.871377] CPU: 1 PID: 1733 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 55.880032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.893049] RIP: 0010:0xffff9dac0066f000 # [ 55.897433] Code: Unable to access opcode bytes at RIP 0xffff9dac0066efd6. # [ 55.905108] RSP: 0018[ 62.570953] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.580987] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.587928] ------------[ cut here ]------------ :ffff9dac02357e38 EFLAGS: 00010246 # [ 55.910940] RAX: 000000[ 62.593112] refcount_t: saturated; leaking memory. 0000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55[ 62.604687] WARNING: CPU: 3 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .918909] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffff8a[ 62.620318] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.652991] CPU: 3 PID: 2115 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 62.661688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 17fac9bf70 # [ 55.926875] RBP: ffff9dac0066f000 R08: 00000000[ 62.668508] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.680547] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 [ 62.701530] RSP: 0018:ffff9dac029b7e38 EFLAGS: 00010282 [ 62.707366] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.715336] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 62.723308] RBP: ffffffffb4581d90 R08: 0000000000000000 R09: 0000000000000000 [ 62.731280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.739251] R13: ffff9dac029b7f10 R14: ffff9dac029b7f10 R15: ffff8a1783b41000 00000000 R09: 0000000000000000 # [ 55.934843] R10: 00000000ff[ 62.747224] FS: 00007fb6dae43580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 62.762472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.768889] CR2: 00007fb6dac4c000 CR3: 0000000103872003 CR4: 00000000003706e0 [ 62.776860] Call Trace: [ 62.779590] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.785750] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.791999] direct_entry.cold+0x2c/0x38 ffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.942[ 62.796398] full_proxy_write+0x53/0x80 [ 62.806894] vfs_write+0xe7/0x3a0 [ 62.810619] ksys_write+0x68/0xf0 [ 62.814320] do_syscall_64+0x30/0x40 [ 62.818311] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.823951] RIP: 0033:0x7fb6dad598f3 [ 62.827941] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.848922] RSP: 002b:00007ffc97ad6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.857384] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb6dad598f3 810] R13: ffff9dac02357f10 R14: ffff9dac02357f10 R15: ffff8a1783[ 62.865356] RDX: 000000000000001f RSI: 00007fb6dac4c000 RDI: 0000000000000001 b01000 # [ 55.950777] FS: 00007fb7a37ff580(0000) GS:ffff8a17[ 62.879538] RBP: 00007fb6dac4c000 R08: 00007fb6dac4b010 R09: 0000000000000000 fac80000(0000) knlGS:0000000000000000 # [ 55.959812] CS: 001[ 62.893727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.907911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.915886] irq event stamp: 0 [ 62.919324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.926326] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.935462] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.944597] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.951597] ---[ end trace 9a2c669e02838d7b ]--- [ 62.956753] lkdtm: Overflow detected: saturated 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.966227] CR2: ffff9dac0066efd6 CR3: 0000000103c84002 CR4: 00000000003706e0 # [ 55.974195] Call Trace: # [ 55.976925] ? execute_location+0x45/0x56 # [ 55.981401] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.992280] ? direct_entry.cold+0x2c/0x38 # [ 55.996852] ? full_proxy_write+0x53/0x80 # [ 56.001325] ? vfs_write+0xe7/0x3a0 # [ 56.005216] ? ksys_write+0x68/0xf0 # [ 56.009107] ? do_syscall_64+0x30/0x40 # [ 56.013293] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.019129] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.051762] CR2: ffff9dac0066f000 # [ 56.055450] ---[ end trace 9a2c669e02838d70 ]--- # [ 56.060602] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.064977] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 63.072520] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 00 00 83 05 20 db 92 02 # [ 56.085956] RSP: 0018:ffff9dac013f[ 63.081309] lkdtm: attempting bad refcount_add_not_zero() overflow 7e60 EFLAGS: 00010286 # [ 56.091788] RAX: ffffffffb34de9f0 RB[ 63.094440] ------------[ cut here ]------------ X: 0000000000000001 RCX: 0000000000000000 # [ 56.099756] RDX:[ 63.105809] refcount_t: saturated; leaking memory. 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 #[ 63.117400] WARNING: CPU: 1 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 56.107723] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09:[ 63.133031] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000001 # [ 56.115690] R10: 00000000ffffe000 R11: 3[ 63.165670] CPU: 1 PID: 2147 Comm: cat Tainted: G D W 5.10.147-cip18 #1 fffffffffffffff R12: 0000000000000004 # [ 56.123657] R13: fff[ 63.180535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ [ 63.193561] RIP: 0010:refcount_warn_saturate+0x97/0x110 56.131626] FS: 00007fb7a37ff580(0000) GS:ffff8a17fac80000(0000[ 63.205607] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 ) knlGS:0000000000000000 # [ 56.140662] CS: 0010 DS: 0000 ES[ 63.232830] RSP: 0018:ffff9dac02a47e38 EFLAGS: 00010282 : 0000 CR0: 0000000080050033 # [ 56.147076] CR2: ffff9dac0066[ 63.244876] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 efd6 CR3: 0000000103c84002 CR4: 00000000003706e0 # [ 56.15504[ 63.259040] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 4] BUG: sleeping function called from invalid context at include[ 63.273226] RBP: ffffffffb4581db0 R08: 0000000000000000 R09: 0000000000000000 [ 63.287428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f /linux/percpu-rwsem.h:49 # [ 56.164953] in_atomic(): 0, irqs_[ 63.295436] R13: ffff9dac02a47f10 R14: ffff9dac02a47f10 R15: ffff8a1783b02000 disabled(): 1, non_block: 0, pid: 1733, name: cat # [ 56.1734[ 63.309619] FS: 00007ff300b0a580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 20] INFO: lockdep is turned off. # [ 56.177804] irq event sta[ 63.324873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 mp: 0 # [ 56.187430] hardirqs last enabled at (0): [<0000000[ 63.337505] CR2: 00007ff300913000 CR3: 00000001038ce004 CR4: 00000000003706e0 000000000>] 0x0 # [ 56.194440] hardirqs last disabled at (0):[ 63.351692] Call Trace: [] copy_process+0x640/0x1c80 # [ 56.203573[ 63.360639] __refcount_add_not_zero.constprop.0+0x2a/0x35 ] softirqs last enabled at (0): [] copy_proce[ 63.372981] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ss+0x640/0x1c80 # [ 56.212707] softirqs last disabled at (0):[ 63.385435] direct_entry.cold+0x2c/0x38 [<0000000000000000>] 0x0 # [ 56.219704] CPU: 1 PID: 1733 Com[ 63.396031] full_proxy_write+0x53/0x80 m: cat Tainted: G D W 5.10.147-cip18 #1 # [ 56.2[ 63.406528] vfs_write+0xe7/0x3a0 28350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.416441] ksys_write+0x68/0xf0 [ 56.235152] Call Trace: # [ 56.237880] dump_stack+0x77/0x[ 63.426355] do_syscall_64+0x30/0x40 9b # [ 56.241578] ___might_sleep.cold+0xa6/0xb6 # [ 56.25[ 63.436559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 2379] exit_signals+0x1c/0x2e0 # [ 56.256383] do_exit+0xd5/0[ 63.448415] RIP: 0033:0x7ff300a208f3 xb00 # [ 56.259885] ? ksys_write+0x68/0xf0 # [ 56.263768][ 63.458620] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 rewind_stack_do_exit+0x17/0x20 # [ 56.268436] RIP: 0033:0x7[ 63.485816] RSP: 002b:00007ffccaea6d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fb7a37158f3 # [ 56.272434] Code: 8b 15 a1 25 0e 00 f7 d8 64 8[ 63.500488] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff300a208f3 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 63.514675] RDX: 000000000000001f RSI: 00007ff300913000 RDI: 0000000000000001 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 63.528865] RBP: 00007ff300913000 R08: 00007ff300912010 R09: 0000000000000000 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.293428] RSP: 002[ 63.543051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 b:00007ffd42b1f1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.557239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.301882] RAX: ffffffffffffffda RBX: 000000000000000d RCX[ 63.571448] irq event stamp: 0 : 00007fb7a37158f3 # [ 56.309850] RDX: 000000000000000d RSI: [ 63.581071] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007fb7a3608000 RDI: 0000000000000001 # [ 56.317818] RBP: 00[ 63.594288] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 007fb7a3608000 R08: 00007fb7a3607010 R09: 0000000000000000 # [ [ 63.609641] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 56.325786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[ 63.624994] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000001 # [ 56.333746] R13: 0000000000000001 R14: 0000[ 63.638211] ---[ end trace 9a2c669e02838d7c ]--- 000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call tr[ 63.649581] lkdtm: Overflow detected: saturated ace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.461177] lkdtm: Performing direct entry EXEC_RODATA # [ 56.471789] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 56.484536] lkdtm: attempting bad execution at ffffffffb419b320 # [ 56.497365] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.511897] BUG: unable to handle page fault for address: ffffffffb419b320 # [ 56.519573] #PF: supervisor instruction fetch in kernel mode # [ 56.525891] #PF: error_code(0x0011) - permissions violation # [ 56.532111] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 # [ 56.539602] Oops: 0011 [#9] SMP PTI # [ 56.543492] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 56.552138] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.558944] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.564686] Code: ff ff f8 ea b3 b3 ff ff ff ff fa 22 58 b4 ff ff ff ff 3e d2 b3 b3 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[ 63.768251] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.779053] lkdtm: attempting good refcount_dec() [ 63.784307] lkdtm: attempting bad refcount_dec() to zero 73 20 69 # [ 56.585655] RSP: 0018:ffff9dac02407e48 EFLAGS: 0[ 63.790243] ------------[ cut here ]------------ [ 63.801613] refcount_t: decrement hit 0; leaking memory. 0010246 # [ 56.591488] RAX: 0000000000000033 RBX: 00000000000[ 63.807560] WARNING: CPU: 3 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 63.823188] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 RCX: 0000000000000000 # [ 56.599456] RDX: 0000000000000[ 63.849645] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 63.864506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.871313] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.877149] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.898130] RSP: 0018:ffff9dac02a8fe48 EFLAGS: 00010286 [ 63.903966] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.911936] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 63.919906] RBP: ffffffffb4582169 R08: 0000000000000000 R09: 0000000000000000 [ 63.927878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.935848] R13: ffff9dac02a8ff10 R14: ffff9dac02a8ff10 R15: ffff8a1783ded000 [ 63.943819] FS: 00007fdfc1d21580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 63.952859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.959275] CR2: 00007fdfc1b2a000 CR3: 000000010588a005 CR4: 00000000003706e0 [ 63.967246] Call Trace: [ 63.969977] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.974946] direct_entry.cold+0x2c/0x38 [ 63.979369] full_proxy_write+0x53/0x80 [ 63.983660] vfs_write+0xe7/0x3a0 [ 63.987378] ksys_write+0x68/0xf0 000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 56.607430[ 63.991089] do_syscall_64+0x30/0x40 [ 64.001290] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.006954] RIP: 0033:0x7fdfc1c378f3 [ 64.010945] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.031927] RSP: 002b:00007fffff96e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.040384] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdfc1c378f3 ] RBP: ffffffffb419b320 R08: 0000000000000000 R09: 0000000000000[ 64.048357] RDX: 0000000000000012 RSI: 00007fdfc1b2a000 RDI: 0000000000000001 [ 64.062538] RBP: 00007fdfc1b2a000 R08: 00007fdfc1b29010 R09: 0000000000000000 000 # [ 56.615397] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 64.070502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.084689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f R12: 000000000000000c # [ 56.623387] R13: ffff9dac02407f10 [ 64.092668] irq event stamp: 0 [ 64.102283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.109286] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.118448] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.127582] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.134606] ---[ end trace 9a2c669e02838d7d ]--- R14: ffff9dac02407f10 R15: ffff8a17838d7000 # [ 56.631372] FS[ 64.139766] lkdtm: Zero detected: saturated : 00007ff7ede33580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 56.640429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.646842] CR2: ffffffffb419b320 CR3: 0000000106468002 CR4: 00000000003706f0 # [ 56.654808] Call Trace: # [ 56.657537] ? execute_location+0x45/0x56 # [ 56.662017] ? direct_entry.cold+0x2c/0x38 # [ 56.666587] ? full_proxy_write+0x53/0x80 # [ 56.671062] ? vfs_write+0xe7/0x3a0 # [ 56.674953] ? ksys_write+0x68/0xf0 # [ 56.678844] ? do_syscall_64+0x30/0x40 # [ 56.683017] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.688843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.715278] CR2: ffffffffb419b320 # [ 56.718965] ---[ end trace 9a2c669e02838d71 ]--- # [ 56.724119] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.728494] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 2[ 64.263537] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 64.275482] lkdtm: attempting bad refcount_dec() below zero 0 db 92 02 # [ 56.749473] RSP: 0018:ffff9dac013f7e60 EFLAGS: [ 64.281736] ------------[ cut here ]------------ [ 64.293094] refcount_t: decrement hit 0; leaking memory. [ 64.299054] WARNING: CPU: 3 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00010286 # [ 56.755306] RAX: ffffffffb34de9f0 RBX: 0000000000[ 64.308490] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.341120] CPU: 3 PID: 2214 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 64.349770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000001 RCX: 0000000000000000 # [ 56.763277] RDX: 000000000000[ 64.356578] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 64.368630] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 56.77124[ 64.389640] RSP: 0018:ffff9dac02b2fe48 EFLAGS: 00010286 [ 64.401683] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 64.409678] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 4] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 000000000000[ 64.417663] RBP: ffffffffb458217b R08: 0000000000000000 R09: 0000000000000000 [ 64.431838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.439808] R13: ffff9dac02b2ff10 R14: ffff9dac02b2ff10 R15: ffff8a1783b7d000 [ 64.447779] FS: 00007feb6bb28580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 64.456817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.463233] CR2: 00007feb6b931000 CR3: 0000000103f2c001 CR4: 00000000003706e0 [ 64.471203] Call Trace: [ 64.473935] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 64.479318] direct_entry.cold+0x2c/0x38 [ 64.483721] full_proxy_write+0x53/0x80 [ 64.488005] vfs_write+0xe7/0x3a0 [ 64.491729] ksys_write+0x68/0xf0 [ 64.495440] do_syscall_64+0x30/0x40 [ 64.499455] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.505098] RIP: 0033:0x7feb6ba3e8f3 [ 64.509088] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.530068] RSP: 002b:00007ffd7a66ad18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.538526] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feb6ba3e8f3 [ 64.546498] RDX: 0000000000000016 RSI: 00007feb6b931000 RDI: 0000000000000001 [ 64.554469] RBP: 00007feb6b931000 R08: 00007feb6b930010 R09: 0000000000000000 [ 64.562445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.570416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.578413] irq event stamp: 0 [ 64.581847] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.588849] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.597983] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.607120] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.614118] ---[ end trace 9a2c669e02838d7e ]--- [ 64.619273] lkdtm: Negative detected: saturated 0001 # [ 56.779211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.787178] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 56.795146] FS: 00007ff7ede33580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 56.804173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.810585] CR2: ffffffffb419b320 CR3: 0000000106468002 CR4: 00000000003706f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.997812] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.004871] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 57.017620] lkdtm: attempting bad execution at 00007fe4f1024000 # [ 57.030462] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.043066] BUG: unable to handle page fault for address: 00007fe4f1024000 # [ 57.050744] #PF: supervisor instruction fetch in kernel mode # [ 57.057060] #PF: error_code(0x0011) - permissions violation # [ 57.063280] PGD 8000000103161067 P4D 8000000103161067 PUD 103ada067 PMD 104675067 PTE 115998067 # [ 57.073002] Oops: 0011 [#10] SMP PTI # [ 57.083203] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 57.091849] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.098653] RIP: 0010:0x7fe4f1024000 # [ 57.102630] Code: Unable to access opcode bytes at RIP 0x7fe4f1023fd6. # [ 57.10[ 64.762792] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.774867] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.782000] ------------[ cut here ]------------ [ 64.787186] refcount_t: underflow; use-after-free. [ 64.792564] WARNING: CPU: 2 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 9917] RSP: 0018:ffff9dac0248fe50 EFLAGS: 00010246 # [ 57.1157[ 64.801999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.834632] CPU: 2 PID: 2249 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 64.843307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.850112] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.855946] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.876930] RSP: 0018:ffff9dac02bafe40 EFLAGS: 00010286 [ 64.882766] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.890737] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 64.898710] RBP: ffffffffb4581dd0 R08: 0000000000000000 R09: 0000000000000000 [ 64.906680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.914651] R13: ffff9dac02baff10 R14: ffff9dac02baff10 R15: ffff8a1783ea6000 [ 64.922622] FS: 00007efe5147c580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 64.931661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.938078] CR2: 00007efe51285000 CR3: 0000000103f76002 CR4: 00000000003706e0 [ 64.946047] Call Trace: [ 64.948777] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.954929] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.961179] direct_entry.cold+0x2c/0x38 [ 64.965585] full_proxy_write+0x53/0x80 [ 64.969893] vfs_write+0xe7/0x3a0 [ 64.973620] ksys_write+0x68/0xf0 [ 64.977370] do_syscall_64+0x30/0x40 51] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00000000000[ 64.981387] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.993244] RIP: 0033:0x7efe513928f3 [ 64.997235] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.018221] RSP: 002b:00007fffd9bf8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.026701] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efe513928f3 [ 65.034673] RDX: 000000000000001f RSI: 00007efe51285000 RDI: 0000000000000001 00000 # [ 57.123719] RDX: 0000000000000000 RSI: ffff8a17fac9b[ 65.042647] RBP: 00007efe51285000 R08: 00007efe51284010 R09: 0000000000000000 f70 RDI: ffff8a17fac9bf70 # [ 57.131685] RBP: 00007fe4f102400[ 65.056833] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.071020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.079013] irq event stamp: 0 0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.139652] [ 65.082429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.095640] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.104801] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.113959] softirqs last disabled at (0): [<0000000000000000>] 0x0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 65.120973] ---[ end trace 9a2c669e02838d7f ]--- [ 65.132335] lkdtm: Negative detected: saturated f # [ 57.147621] R13: ffff9dac0248ff10 R14: ffff9dac0248ff10 R15: ffff8a17831df000 # [ 57.155590] FS: 00007fe4f0ff5580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 57.164618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.171031] CR2: 00007fe4f1024000 CR3: 00000001039dc006 CR4: 00000000003706e0 # [ 57.178997] Call Trace: # [ 57.181727] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 57.187074] ? direct_entry.cold+0x2c/0x38 # [ 57.197858] ? full_proxy_write+0x53/0x80 # [ 57.202333] ? vfs_write+0xe7/0x3a0 # [ 57.206224] ? ksys_write+0x68/0xf0 # [ 57.210116] ? do_syscall_64+0x30/0x40 # [ 57.214298] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.220133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.252766] CR2: 00007fe4f1024000 # [ 57.256462] ---[ end trace 9a2c669e02838d72 ]--- # [ 57.261616] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.265992] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 65.256700] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 #[ 65.269392] lkdtm: attempting bad refcount_sub_and_test() below zero [ 57.286970] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [[ 65.282734] ------------[ cut here ]------------ 57.292802] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0[ 65.294100] refcount_t: underflow; use-after-free. 000000000000000 # [ 57.300769] RDX: 0000000000000000 RSI: fff[ 65.305679] WARNING: CPU: 0 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 f8a17fac9bf70 RDI: ffffffffb419ae90 # [ 57.308737] RBP: fffff[ 65.321314] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 5[ 65.353937] CPU: 0 PID: 2284 Comm: cat Tainted: G D W 5.10.147-cip18 #1 7.316706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 65.368840] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000004 # [ 57.324674] R13: ffff9dac013f7f10 R14: ffff9da[ 65.381829] RIP: 0010:refcount_warn_saturate+0xba/0x110 c013f7f10 R15: ffff8a1783af3000 # [ 57.332642] FS: 00007fe4f[ 65.393902] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 0ff5580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 65.421107] RSP: 0018:ffff9dac02bffe40 EFLAGS: 00010286 # [ 57.341678] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 65.433139] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 33 # [ 57.348091] CR2: 00007fe4f1024000 CR3: 00000001039dc006[ 65.447306] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 CR4: 00000000003706e0 # [ 57.356059] BUG: sleeping function [ 65.461505] RBP: ffffffffb4581df0 R08: 0000000000000000 R09: 0000000000000000 called from invalid context at include/linux/percpu-rwsem.h:49 [ 65.475681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 57.365969] in_atomic(): 0, irqs_disabled(): 1, non_block: [ 65.489902] R13: ffff9dac02bfff10 R14: ffff9dac02bfff10 R15: ffff8a17831d8000 0, pid: 1805, name: cat # [ 57.374441] INFO: lockdep is turne[ 65.504068] FS: 00007f3e016a7580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 d off. # [ 57.378815] irq event stamp: 0 # [ 57.382218] ha[ 65.519393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.[ 65.531990] CR2: 00007f3e014b0000 CR3: 0000000103ad8004 CR4: 00000000003706f0 389216] hardirqs last disabled at (0): [] copy[ 65.546196] Call Trace: _process+0x640/0x1c80 # [ 57.398349] softirqs last enabled a[ 65.555135] __refcount_sub_and_test.constprop.0+0x3c/0x50 t (0): [] copy_process+0x640/0x1c80 # [ 57.[ 65.567524] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 407474] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 65.579895] direct_entry.cold+0x2c/0x38 # [ 57.414472] CPU: 1 PID: 1805 Comm: cat Tainted: G D W[ 65.590485] full_proxy_write+0x53/0x80 5.10.147-cip18 #1 # [ 57.423119] Hardware name: Goog[ 65.600983] vfs_write+0xe7/0x3a0 le Rammus/Rammus, BIOS 09/04/2020 # [ 57.429920] Call Trace:[ 65.610930] ksys_write+0x68/0xf0 # [ 57.432648] dump_stack+0x77/0x9b # [ 57.436346] ___m[ 65.620838] do_syscall_64+0x30/0x40 ight_sleep.cold+0xa6/0xb6 # [ 57.447129] exit_signals+0x1c/0[ 65.631043] entry_SYSCALL_64_after_hwframe+0x61/0xc6 x2e0 # [ 57.451117] do_exit+0xd5/0xb00 # [ 57.454611] ? [ 65.642905] RIP: 0033:0x7f3e015bd8f3 ksys_write+0x68/0xf0 # [ 57.458503] rewind_stack_do_exit+0x1[ 65.653130] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7/0x20 # [ 57.463171] RIP: 0033:0x7fe4f0f0b8f3 # [ 57.4671[ 65.680338] RSP: 002b:00007ffe4d2d14b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 59] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 65.695026] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3e015bd8f3 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 65.709198] RDX: 000000000000001f RSI: 00007f3e014b0000 RDI: 0000000000000001 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 65.723380] RBP: 00007f3e014b0000 R08: 00007f3e014af010 R09: 0000000000000000 89 54 24 18 # [ 57.488136] RSP: 002b:00007ffe285429e8 EFLAGS:[ 65.737577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000246 ORIG_RAX: 0000000000000001 # [ 57.496590] RAX: ffff[ 65.751761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffda RBX: 000000000000000f RCX: 00007fe4f0f0b8f3 # [ [ 65.765962] irq event stamp: 0 57.504557] RDX: 000000000000000f RSI: 00007fe4f0dfe000 RDI: 0000[ 65.775577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000001 # [ 57.512524] RBP: 00007fe4f0dfe000 R08: 00007f[ 65.788796] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 e4f0dfd010 R09: 0000000000000000 # [ 57.520492] R10: ffffffff[ 65.804155] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 fffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.5[ 65.819524] softirqs last disabled at (0): [<0000000000000000>] 0x0 28460] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000[ 65.832744] ---[ end trace 9a2c669e02838d80 ]--- 00020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftes[ 65.844112] lkdtm: Negative detected: saturated ts: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.658497] lkdtm: Performing direct entry EXEC_NULL # [ 57.666354] lkdtm: attempting ok execution at ffffffffb34dedc0 # [ 57.679109] lkdtm: attempting bad execution at 0000000000000000 # [ 57.691935] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.705884] #PF: supervisor instruction fetch in kernel mode # [ 57.712200] #PF: error_code(0x0010) - not-present page # [ 57.717934] PGD 0 P4D 0 # [ 57.720757] Oops: 0010 [#11] SMP PTI # [ 57.724744] CPU: 0 PID: 1841 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 57.733388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.740191] RIP: 0010:0x0 # [ 57.743110] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.750787] RSP: 0018:ffff9dac024ffe48 EFLAGS: 00010246 # [ 57.756620] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.764587] RDX: 0000000000000000 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 57.772554] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.780522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.788490] R13: ffff9dac024fff10 R14: ffff9dac024fff10 R15: ffff8a1784a3c000 # [ 57.796457] FS: 00007f1723b3a580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000[ 65.988923] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 57.805493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 65.998506] lkdtm: attempting safe refcount_inc_not_zero() from zero 033 # [ 57.811907] CR2: ffffffffffffffd6 CR3: 000000010311800[ 66.011826] lkdtm: Good: zero detected 5 CR4: 00000000003706f0 # [ 57.819874] Call Trace: # [ 57.[ 66.022242] lkdtm: Correctly stayed at zero 822602] execute_location+0x45/0x56 # [ 57.826888] direct_en[ 66.033151] lkdtm: attempting bad refcount_inc() from zero try.cold+0x2c/0x38 # [ 57.831265] full_proxy_write+0x53/0x80[ 66.045489] ------------[ cut here ]------------ # [ 57.835545] vfs_write+0xe7/0x3a0 # [ 57.839247] ksys[ 66.056867] refcount_t: addition on 0; use-after-free. _write+0x68/0xf0 # [ 57.842945] do_syscall_64+0x30/0x40 # [[ 66.068821] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 57.846932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 5[ 66.084476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7.852569] RIP: 0033:0x7f1723a508f3 # [ 57.856557] Code: 8b 15[ 66.117114] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.147-cip18 #1 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 66.131974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 66.144982] RIP: 0010:refcount_warn_saturate+0x74/0x110 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.157039] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 b4 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 [ 57.877537] RSP: 002b:00007ffed300cb68 EFLAGS: 00000246 ORIG_[ 66.184259] RSP: 0018:ffff9dac02c87e48 EFLAGS: 00010286 RAX: 0000000000000001 # [ 57.885989] RAX: ffffffffffffffda RB[ 66.196302] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 X: 000000000000000a RCX: 00007f1723a508f3 # [ 57.893956] RDX:[ 66.210484] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 000000000000000a RSI: 00007f1723943000 RDI: 0000000000000001 #[ 66.224685] RBP: ffffffffb4582191 R08: 0000000000000000 R09: 0000000000000000 [ 57.901922] RBP: 00007f1723943000 R08: 00007f1723942010 R09:[ 66.238892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0000000000000000 # [ 57.909891] R10: fffffffffffffbc5 R11: 0[ 66.253086] R13: ffff9dac02c87f10 R14: ffff9dac02c87f10 R15: ffff8a17828f6000 000000000000246 R12: 0000000000000001 # [ 57.917858] R13: 000[ 66.267293] FS: 00007f54ce826580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 66.282547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 57.925830] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 66.295217] CR2: 00007f54ce62f000 CR3: 000000010388c001 CR4: 00000000003706f0 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 66.309375] Call Trace: trialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_s[ 66.318357] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 ensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_u[ 66.329623] direct_entry.cold+0x2c/0x38 sbpd_notify # [ 57.952265] CR2: 0000000000000000 # [ 57.95[ 66.340173] full_proxy_write+0x53/0x80 5962] ---[ end trace 9a2c669e02838d73 ]--- # [ 57.961106] RIP[ 66.350722] vfs_write+0xe7/0x3a0 : 0010:lkdtm_BUG+0x5/0x10 # [ 57.965473] Code: 89 ff e8 2e b5[ 66.360658] ksys_write+0x68/0xf0 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc [ 66.370623] do_syscall_64+0x30/0x40 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f[ 66.380771] entry_SYSCALL_64_after_hwframe+0x61/0xc6 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 57.98[ 66.392698] RIP: 0033:0x7f54ce73c8f3 6452] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 57.9922[ 66.402877] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 83] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 00000000000[ 66.430079] RSP: 002b:00007fffb218b2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000 # [ 58.000250] RDX: 0000000000000000 RSI: ffff8a17fac9b[ 66.444846] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54ce73c8f3 f70 RDI: ffffffffb419ae90 # [ 58.008217] RBP: ffffffffb45dd3c[ 66.458969] RDX: 0000000000000012 RSI: 00007f54ce62f000 RDI: 0000000000000001 0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.016184] [ 66.473139] RBP: 00007f54ce62f000 R08: 00007f54ce62e010 R09: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 66.487327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4 # [ 58.024152] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 [ 66.501543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R15: ffff8a1783af3000 # [ 58.032121] FS: 00007f1723b3a580(00[ 66.515732] irq event stamp: 0 00) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 58.0[ 66.525342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 41157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 66.538525] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 58.047573] CR2: ffffffffffffffd6 CR3: 0000000103118005 CR4: 0000[ 66.553921] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000003706f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftest[ 66.569294] softirqs last disabled at (0): [<0000000000000000>] 0x0 s: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh[ 66.582512] ---[ end trace 9a2c669e02838d81 ]--- # Killed # [ 58.213328] lkdtm: Performing direct entry ACCES[ 66.593901] lkdtm: Zero detected: saturated S_USERSPACE # [ 58.223406] lkdtm: attempting bad read at 00007f5e1d13f000 # [ 58.235774] BUG: unable to handle page fault for address: 00007f5e1d13f000 # [ 58.249668] #PF: supervisor read access in kernel mode # [ 58.255404] #PF: error_code(0x0001) - permissions violation # [ 58.261624] PGD 80000001028d6067 P4D 80000001028d6067 PUD 102a08067 PMD 103f2e067 PTE 115a10067 # [ 58.277562] Oops: 0001 [#12] SMP PTI # [ 58.281549] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 58.290198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.297005] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.303225] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 58 b4 e8 09 9a fd ff 48 c7 c7 40 30 58 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 58 # [ 58.324203] RSP: 0018:ffff9dac0259fe48 EFLAGS: 00010246 # [ 58.330027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.337993] RDX: 0000000000000000 RSI: ffff8a17fad9bf70 RDI: ffffffffb4583040 # [ 58.345961] RBP: 00007f5e1d13f000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.353929] R10: 00[ 66.718561] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.729388] lkdtm: attempting safe refcount_add_not_zero() from zero 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ [ 66.736502] lkdtm: Good: zero detected [ 66.746898] lkdtm: Correctly stayed at zero [ 66.751576] lkdtm: attempting bad refcount_add() from zero [ 66.757702] ------------[ cut here ]------------ 58.361897] R13: ffff9dac0259ff10 R14: ffff9dac0259ff10 R15: ff[ 66.762861] refcount_t: addition on 0; use-after-free. ff8a1784aa6000 # [ 58.369865] FS: 00007f5e1d110580(0000) GS:[ 66.774824] WARNING: CPU: 2 PID: 2348 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 58.378901] [ 66.790461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.823127] CPU: 2 PID: 2348 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 66.831800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.3853[ 66.838621] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.850661] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 b4 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 [ 66.871645] RSP: 0018:ffff9dac02cf7e48 EFLAGS: 00010286 [ 66.877481] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.885452] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 66.893432] RBP: ffffffffb45821a3 R08: 0000000000000000 R09: 0000000000000000 [ 66.901404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.909396] R13: ffff9dac02cf7f10 R14: ffff9dac02cf7f10 R15: ffff8a1784e9f000 14] CR2: 00007f5e1d13f000 CR3: 0000000103128003 CR4: 00000000003[ 66.917368] FS: 00007f16275b5580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 66.932618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.939037] CR2: 00007f16273be000 CR3: 00000001031ae004 CR4: 00000000003706e0 [ 66.947008] Call Trace: [ 66.949739] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.954732] direct_entry.cold+0x2c/0x38 [ 66.959136] full_proxy_write+0x53/0x80 [ 66.963420] vfs_write+0xe7/0x3a0 [ 66.967145] ksys_write+0x68/0xf0 [ 66.970846] do_syscall_64+0x30/0x40 [ 66.974838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.980480] RIP: 0033:0x7f16274cb8f3 [ 66.984471] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.005454] RSP: 002b:00007ffcaade5b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.013912] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f16274cb8f3 [ 67.021884] RDX: 0000000000000012 RSI: 00007f16273be000 RDI: 0000000000000001 [ 67.029855] RBP: 00007f16273be000 R08: 00007f16273bd010 R09: 0000000000000000 [ 67.037825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 706e0 # [ 58.393282] Call Trace: # [ 58.396009] direct_en[ 67.045797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 try.cold+0x2c/0x38 # [ 58.400386] full_proxy_write+0x53/0x80[ 67.059990] irq event stamp: 0 [ 67.069609] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.076611] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.085747] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.094883] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.101883] ---[ end trace 9a2c669e02838d82 ]--- [ 67.107040] lkdtm: Zero detected: saturated # [ 58.404666] vfs_write+0xe7/0x3a0 # [ 58.408381] ksys_write+0x68/0xf0 # [ 58.412080] do_syscall_64+0x30/0x40 # [ 58.416067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.421704] RIP: 0033:0x7f5e1d0268f3 # [ 58.425691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.446669] RSP: 002b:00007fff6b6c7568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.455124] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5e1d0268f3 # [ 58.463091] RDX: 0000000000000011 RSI: 00007f5e1cf19000 RDI: 0000000000000001 # [ 58.471059] RBP: 00007f5e1cf19000 R08: 00007f5e1cf18010 R09: 0000000000000000 # [ 58.479026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.486994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.494966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.521421] CR2: 00007f5e1d13f000 # [ 58.53[ 67.232529] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 67.242911] lkdtm: attempting bad refcount_inc() from saturated [ 67.249530] ------------[ cut here ]------------ [ 67.254687] refcount_t: saturated; leaking memory. [ 67.260054] WARNING: CPU: 2 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 67.269489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1330] ---[ end trace 9a2c669e02838d74 ]--- # [ 58.536484] RIP[ 67.295952] CPU: 2 PID: 2383 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 67.310812] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.317621] RIP: 0010:refcount_warn_saturate+0x51/0x110 : 0010:lkdtm_BUG+0x5/0x10 # [ 58.540858] Code: 89 ff e8 2e b5[ 67.323482] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 [ 67.350684] RSP: 0018:ffff9dac02d97e48 EFLAGS: 00010286 [ 67.356520] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 67.364491] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 67.372460] RBP: ffffffffb45821b5 R08: 0000000000000000 R09: 0000000000000000 [ 67.380460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc [ 67.388443] R13: ffff9dac02d97f10 R14: ffff9dac02d97f10 R15: ffff8a1784ff5000 [ 67.402620] FS: 00007f0d59328580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 67.411659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.418077] CR2: 00007f0d59131000 CR3: 00000001058d6001 CR4: 00000000003706e0 [ 67.426048] Call Trace: [ 67.428778] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 67.434247] direct_entry.cold+0x2c/0x38 [ 67.438652] full_proxy_write+0x53/0x80 [ 67.442958] vfs_write+0xe7/0x3a0 [ 67.446681] ksys_write+0x68/0xf0 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f[ 67.450389] do_syscall_64+0x30/0x40 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 58.56[ 67.460598] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1839] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 58.5676[ 67.472457] RIP: 0033:0x7f0d5923e8f3 71] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 00000000000[ 67.482662] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000 # [ 58.575638] RDX: 0000000000000000 RSI: ffff8a17fac9b[ 67.509864] RSP: 002b:00007fff91b130a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f70 RDI: ffffffffb419ae90 [ 67.524539] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0d5923e8f3 # [ 58.583604] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09[ 67.535134] RDX: 0000000000000017 RSI: 00007f0d59131000 RDI: 0000000000000001 : 0000000000000001[ 67.549322] RBP: 00007f0d59131000 R08: 00007f0d59130010 R09: 0000000000000000 [ 67.559042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.567211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.591572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 67.575190] irq event stamp: 0 : 0000000000000004 # [ 58.599539] R13: ffff9dac013f7f10 R14: [ 67.584809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 58.607507] FS: 00[ 67.598028] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 007f5e1d110580(0000) GS:ffff8a17fad80000(0000) knlGS:00000000000[ 67.613383] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.628738] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.635739] ---[ end trace 9a2c669e02838d83 ]--- [ 67.640896] lkdtm: Saturation detected: still saturated 00000 # [ 58.616544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.622957] CR2: 00007f5e1d13f000 CR3: 0000000103128003 CR4: 00000000003706e0 # [ 58.630926] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.640829] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1876, name: cat # [ 58.649283] INFO: lockdep is turned off. # [ 58.653657] irq event stamp: 0 # [ 58.657060] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.664058] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.673190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.682323] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.689321] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 58.697967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.704770] Call Trace: # [ 58.707496] dump_stack+0x77/0x9b # [ 58.711194] ___might_sleep.cold+0xa6/0xb6 # [ 58.715764] exit_signals+0x1c/0x2e0 # [ 58.719753] do_exit+0xd5/0xb00 # [ 58.723255] ? ksys_write+0x68/0xf0 # [ 58.727148] rewind_stack_do_exit+0x17/0x20 # [ 58.731814] RIP: 0033:0x7f5e1d0268f3 # [ 58.735802] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 67.784292] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 67.796509] lkdtm: attempting bad refcount_dec() from saturated [ 67.803130] ------------[ cut here ]------------ [ 67.808292] refcount_t: decrement hit 0; leaking memory. [ 67.814235] WARNING: CPU: 3 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 67.823670] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 28 48 89 54 24 18 # [ 58.756782] RSP: 002b:00007fff6b6c7568 [ 67.850131] CPU: 3 PID: 2418 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 67.864988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.871796] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 67.877631] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 67.898612] RSP: 0018:ffff9dac02e0fe48 EFLAGS: 00010286 [ 67.904447] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.912431] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.765236] RA[ 67.920436] RBP: ffffffffb45821cc R08: 0000000000000000 R09: 0000000000000000 [ 67.934624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.942596] R13: ffff9dac02e0ff10 R14: ffff9dac02e0ff10 R15: ffff8a1783ad8000 [ 67.950567] FS: 00007f9f7fe2c580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 67.959608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.966023] CR2: 00007f9f7fc35000 CR3: 0000000104d0c006 CR4: 00000000003706e0 [ 67.974016] Call Trace: X: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5e1d0268f3[ 67.976763] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 67.988413] direct_entry.cold+0x2c/0x38 [ 67.992839] full_proxy_write+0x53/0x80 [ 67.997144] vfs_write+0xe7/0x3a0 [ 68.000868] ksys_write+0x68/0xf0 [ 68.004570] do_syscall_64+0x30/0x40 [ 68.008585] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.014226] RIP: 0033:0x7f9f7fd428f3 [ 68.018216] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.039199] RSP: 002b:00007ffd9bf14248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.047655] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9f7fd428f3 [ 68.055626] RDX: 0000000000000017 RSI: 00007f9f7fc35000 RDI: 0000000000000001 [ 68.063596] RBP: 00007f9f7fc35000 R08: 00007f9f7fc34010 R09: 0000000000000000 [ 68.071567] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.079539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.087514] irq event stamp: 0 # [ 58.773204] RDX: 0000000000000011 RSI: 00007f5e1cf19000 RD[ 68.090947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.104157] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.113294] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.122444] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.129444] ---[ end trace 9a2c669e02838d84 ]--- [ 68.134598] lkdtm: Saturation detected: still saturated I: 0000000000000001 # [ 58.781172] RBP: 00007f5e1cf19000 R08: 00007f5e1cf18010 R09: 0000000000000000 # [ 58.789140] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.797109] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.960945] lkdtm: Performing direct entry ACCESS_NULL # [ 58.972462] lkdtm: attempting bad read at 0000000000000000 # [ 58.984816] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.998798] #PF: supervisor read access in kernel mode # [ 59.004535] #PF: error_code(0x0000) - not-present page # [ 59.010272] PGD 0 P4D 0 # [ 59.013098] Oops: 0000 [#13] SMP PTI # [ 59.017086] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 59.025735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.032540] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.037791] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 58 b4 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 58 b4 48 01 # [ 59.058764] RSP: 0018:ffff9dac0263fe58 EFLAGS: 00010246 # [ 59.064598] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.072566] RDX: 0000000000000000 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 59.080534] RBP: ffffffffb4582109 R08: 0000000000000000 R09: 0000000000000000 # [ 59.088503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.096472] R13: ffff9dac0263ff10 R14: ffff9dac0263ff10 R15: ffff8a1783f84000[ 68.306963] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 59.104442] FS: 00007f01bb846580(0000) GS:ffff8a17fad000[ 68.315170] lkdtm: attempting bad refcount_dec() from saturated 00(0000) knlGS:0000000000000000 # [ 59.113470] CS: 0010 DS: [ 68.328016] ------------[ cut here ]------------ 0000 ES: 0000 CR0: 0000000080050033 # [ 59.119884] CR2: 00000[ 68.339400] refcount_t: saturated; leaking memory. 00000000000 CR3: 000000010598e006 CR4: 00000000003706e0 # [ 5[ 68.350996] WARNING: CPU: 0 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 9.127852] Call Trace: # [ 59.130580] direct_entry.cold+0x2c/[ 68.366627] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x38 # [ 59.134958] full_proxy_write+0x53/0x80 # [ 59.139[ 68.399290] CPU: 0 PID: 2453 Comm: cat Tainted: G D W 5.10.147-cip18 #1 238] vfs_write+0xe7/0x3a0 # [ 59.142935] ksys_write+0x68/0x[ 68.414135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f0 # [ 59.146632] do_syscall_64+0x30/0x40 # [ 59.150612] [ 68.427141] RIP: 0010:refcount_warn_saturate+0x51/0x110 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.156250] RIP:[ 68.439185] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 0033:0x7f01bb75c8f3 # [ 59.160237] Code: 8b 15 a1 25 0e 00 f[ 68.466398] RSP: 0018:ffff9dac02e87e48 EFLAGS: 00010286 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 68.478442] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 68.492639] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.181220][ 68.506843] RBP: ffffffffb45821e3 R08: 0000000000000000 R09: 0000000000000000 RSP: 002b:00007ffcde17c8e8 EFLAGS: 00000246 ORIG_RAX: 000000000[ 68.521038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000001 # [ 59.189675] RAX: ffffffffffffffda RBX: 00000000000[ 68.535223] R13: ffff9dac02e87f10 R14: ffff9dac02e87f10 R15: ffff8a17859d2000 0000c RCX: 00007f01bb75c8f3 # [ 59.197644] RDX: 0000000000000[ 68.549466] FS: 00007fbc470be580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 00c RSI: 00007f01bb64f000 RDI: 0000000000000001 # [ 59.205613[ 68.564693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] RBP: 00007f01bb64f000 R08: 00007f01bb64e010 R09: 0000000000000[ 68.577326] CR2: 00007fbc46ec7000 CR3: 0000000104e4c001 CR4: 00000000003706f0 000 # [ 59.213581] R10: fffffffffffffbc5 R11: 000000000000024[ 68.591520] Call Trace: 6 R12: 0000000000000001 # [ 59.221549] R13: 0000000000000001 [ 68.600476] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 R14: 0000000000020000 R15: 0000000000020000 # [ 59.229521] Mo[ 68.612161] direct_entry.cold+0x2c/0x38 dules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_[ 68.622805] full_proxy_write+0x53/0x80 core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 68.633245] vfs_write+0xe7/0x3a0 c_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_[ 68.643225] ksys_write+0x68/0xf0 ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify #[ 68.653144] do_syscall_64+0x30/0x40 [ 59.255978] CR2: 0000000000000000 # [ 59.265886] ---[ end[ 68.663413] entry_SYSCALL_64_after_hwframe+0x61/0xc6 trace 9a2c669e02838d75 ]--- # [ 59.271040] RIP: 0010:lkdtm_B[ 68.675248] RIP: 0033:0x7fbc46fd48f3 UG+0x5/0x10 # [ 59.275429] Code: 89 ff e8 2e b5 a3 ff 48 c7 c[ 68.685542] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0[ 68.712739] RSP: 002b:00007ffccea37338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0[ 68.727473] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc46fd48f3 0 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 59.296445] RSP: 001[ 68.741660] RDX: 0000000000000017 RSI: 00007fbc46ec7000 RDI: 0000000000000001 8:ffff9dac013f7e60 EFLAGS: 00010286 # [ 59.302277] RAX: fffff[ 68.755842] RBP: 00007fbc46ec7000 R08: 00007fbc46ec6010 R09: 0000000000000000 fffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 5[ 68.770016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 9.310246] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: fffff[ 68.784210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffb419ae90 # [ 59.318215] RBP: ffffffffb45dd3c0 R08: 0000000[ 68.798484] irq event stamp: 0 000000001 R09: 0000000000000001 # [ 59.326183] R10: 00000000f[ 68.808089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.33[ 68.821319] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 4150] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a178[ 68.836713] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 3af3000 # [ 59.342119] FS: 00007f01bb846580(0000) GS:ffff8a1[ 68.852061] softirqs last disabled at (0): [<0000000000000000>] 0x0 7fad00000(0000) knlGS:0000000000000000 # [ 59.351156] CS: 00[ 68.865305] ---[ end trace 9a2c669e02838d85 ]--- 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.357572] CR2[ 68.876652] lkdtm: Saturation detected: still saturated : 0000000000000000 CR3: 000000010598e006 CR4: 00000000003706e0 # [ 59.365541] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.375452] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1911, name: cat # [ 59.383907] INFO: lockdep is turned off. # [ 59.388283] irq event stamp: 0 # [ 59.391687] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.398685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.407818] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.416952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.423949] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 59.432596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.439398] Call Trace: # [ 59.442125] dump_stack+0x77/0x9b # [ 59.445814] ___might_sleep.cold+0xa6/0xb6 # [ 59.450386] exit_signals+0x1c/0x2e0 # [ 59.454384] do_exit+0xd5/0xb00 # [ 59.457886] ? ksys_write+0x68/0xf0 # [ 59.461778] rewind_stack_do_exit+0x17/0x20 # [ 59.466447] RIP: 0033:0x7f01bb75c8f3 # [ 59.470437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 69.016405] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 69.026898] lkdtm: attempting bad refcount_inc_not_zero() from saturated ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.49[ 69.034401] ------------[ cut here ]------------ [ 69.045760] refcount_t: saturated; leaking memory. [ 69.051138] WARNING: CPU: 3 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 1420] RSP: 002b:00007ffcde17c8e8 EFLAGS: 00000246 ORIG_RAX: 0000[ 69.060574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.093208] CPU: 3 PID: 2485 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 69.101881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.108690] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.114526] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 [ 69.135508] RSP: 0018:ffff9dac02ef7e38 EFLAGS: 00010282 [ 69.141344] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000000001 # [ 59.499893] RAX: ffffffffffffffda RBX: 000000[ 69.149323] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 69.163509] RBP: ffffffffb4581e10 R08: 0000000000000000 R09: 0000000000000000 000000000c RCX: 00007f01bb75c8f3 # [ 59.507862] RDX: 00000000[ 69.171505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.185692] R13: ffff9dac02ef7f10 R14: ffff9dac02ef7f10 R15: ffff8a1785844000 [ 69.193664] FS: 00007ff1a6c5e580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 69.202705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.209123] CR2: 00007ff1a6a67000 CR3: 0000000105a46001 CR4: 00000000003706e0 [ 69.217117] Call Trace: 0000000c RSI: 00007f01bb64f000 RDI: 0000000000000001 # [ 59.5[ 69.219860] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.232190] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.238544] direct_entry.cold+0x2c/0x38 [ 69.242925] full_proxy_write+0x53/0x80 [ 69.247233] vfs_write+0xe7/0x3a0 [ 69.250960] ksys_write+0x68/0xf0 [ 69.254660] do_syscall_64+0x30/0x40 [ 69.258653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.264294] RIP: 0033:0x7ff1a6b748f3 [ 69.268285] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.289267] RSP: 002b:00007ffca3fa2138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.297724] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff1a6b748f3 [ 69.305695] RDX: 0000000000000020 RSI: 00007ff1a6a67000 RDI: 0000000000000001 [ 69.313666] RBP: 00007ff1a6a67000 R08: 00007ff1a6a66010 R09: 0000000000000000 [ 69.321638] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.329609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.337585] irq event stamp: 0 [ 69.341022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.348023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.357160] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.366295] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.373295] ---[ end trace 9a2c669e02838d86 ]--- [ 69.378450] lkdtm: Saturation detected: still saturated 15832] RBP: 00007f01bb64f000 R08: 00007f01bb64e010 R09: 0000000000000000 # [ 59.523800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.531769] 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 # [ 59.666788] lkdtm: Performing direct entry WRITE_RO # [ 59.675743] lkdtm: attempting bad rodata write at ffffffffb419b310 # [ 59.682703] BUG: unable to handle page fault for address: ffffffffb419b310 # [ 59.690391] #PF: supervisor write access in kernel mode # [ 59.702435] #PF: error_code(0x0003) - permissions violation # [ 59.708657] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 # [ 59.716147] Oops: 0003 [#14] SMP PTI # [ 59.726347] CPU: 3 PID: 1946 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 59.734997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.741804] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.746765] Code: 00 48 c7 c7 f8 2e 58 b4 48 c7 c6 10 b3 19 b4 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f 58 b4 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d # [ 59.773960] RSP: 0018:ffff9dac026e7e60 EFLAGS: 00010202 # [ 59.779786] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.787747] RDX: 00000000abcd1234 RSI: ffff8a17fad9bf70 RDI: ffffffffb4582f28 # [ 59.795715] RBP: ffffffffb4582115 R08: 000[ 69.530541] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 69.541165] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 69.548655] ------------[ cut here ]------------ [ 69.553845] refcount_t: saturated; leaking memory. [ 69.559248] WARNING: CPU: 3 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0000000000000 R09: 0000000000000000 # [ 59.803684] R10: 00000[ 69.568686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.601321] CPU: 3 PID: 2517 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 69.610002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.616809] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.622647] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 [ 69.643630] RSP: 0018:ffff9dac02f5fe38 EFLAGS: 00010282 [ 69.649467] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.657440] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 [ 69.665427] RBP: ffffffffb4581e30 R08: 0000000000000000 R09: 0000000000000000 [ 69.673435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.681408] R13: ffff9dac02f5ff10 R14: ffff9dac02f5ff10 R15: ffff8a17831d0000 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 5[ 69.689389] FS: 00007f4de67b2580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 [ 69.704644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.711062] CR2: 00007f4de65bb000 CR3: 0000000102662002 CR4: 00000000003706e0 [ 69.719035] Call Trace: [ 69.721768] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.727929] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.734282] direct_entry.cold+0x2c/0x38 [ 69.738684] full_proxy_write+0x53/0x80 [ 69.742971] vfs_write+0xe7/0x3a0 [ 69.746702] ksys_write+0x68/0xf0 [ 69.750442] do_syscall_64+0x30/0x40 [ 69.754464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.760132] RIP: 0033:0x7f4de66c88f3 [ 69.764124] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.785109] RSP: 002b:00007ffcdb85adf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.793591] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4de66c88f3 [ 69.801565] RDX: 0000000000000020 RSI: 00007f4de65bb000 RDI: 0000000000000001 9.811651] R13: ffff9dac026e7f10 R14: ffff9dac026e7f10 R15: ffff8[ 69.809540] RBP: 00007f4de65bb000 R08: 00007f4de65ba010 R09: 0000000000000000 a1783f13000 # [ 59.819621] FS: 00007fbe1281e580(0000) GS:fff[ 69.823729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.837913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.845907] irq event stamp: 0 f8a17fad80000(0000) knlGS:0000000000000000 # [ 59.828658] CS:[ 69.849325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.862535] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.871722] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.835073][ 69.880874] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.894078] ---[ end trace 9a2c669e02838d87 ]--- [ 69.899235] lkdtm: Saturation detected: still saturated CR2: ffffffffb419b310 CR3: 0000000103c26004 CR4: 00000000003706e0 # [ 59.843041] Call Trace: # [ 59.845769] direct_entry.cold+0x2c/0x38 # [ 59.850149] full_proxy_write+0x53/0x80 # [ 59.854437] vfs_write+0xe7/0x3a0 # [ 59.858125] ksys_write+0x68/0xf0 # [ 59.861823] do_syscall_64+0x30/0x40 # [ 59.865813] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.871452] RIP: 0033:0x7fbe127348f3 # [ 59.875439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.896435] RSP: 002b:00007fff7814e628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.904889] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fbe127348f3 # [ 59.912858] RDX: 0000000000000009 RSI: 00007fbe12627000 RDI: 0000000000000001 # [ 59.920825] RBP: 00007fbe12627000 R08: 00007fbe12626010 R09: 0000000000000000 # [ 59.928795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.936763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.944736] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 70.027152] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED alio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sens[ 70.037083] lkdtm: attempting bad refcount_dec_and_test() from saturated orhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 70.050787] ------------[ cut here ]------------ [ 70.062152] refcount_t: underflow; use-after-free. d_notify # [ 59.971196] CR2: ffffffffb419b310 # [ 59.98110[ 70.067532] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 7] ---[ end trace 9a2c669e02838d76 ]--- # [ 59.986261] RIP: 0[ 70.083144] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.115781] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.147-cip18 #1 010:lkdtm_BUG+0x5/0x10 # [ 59.990628] Code: 89 ff e8 2e b5 a3[ 70.124432] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 70.137455] RIP: 0010:refcount_warn_saturate+0xba/0x110 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 70.149502] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 60.01161[ 70.176704] RSP: 0018:ffff9dac03017e40 EFLAGS: 00010286 0] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 60.017435][ 70.188776] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 00000000000000[ 70.202945] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 [ 70.217131] RBP: ffffffffb4581e50 R08: 0000000000000000 R09: 0000000000000000 00 # [ 60.025405] RDX: 0000000000000000 RSI: ffff8a17fac9bf70[ 70.225104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.239287] R13: ffff9dac03017f10 R14: ffff9dac03017f10 R15: ffff8a1783cd3000 RDI: ffffffffb419ae90 # [ 60.033385] RBP: ffffffffb45dd3c0 R[ 70.247263] FS: 00007fa5d10bd580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 [ 70.262513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 08: 0000000000000001 R09: 0000000000000001 # [ 60.041356] R10[ 70.268933] CR2: 00007fa5d0ec6000 CR3: 0000000103c9a003 CR4: 00000000003706e0 [ 70.283115] Call Trace: : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.285848] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.049350] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15[ 70.298186] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 : ffff8a1783af3000 # [ 60.057311] FS: 00007fbe1281e580(0000)[ 70.310726] direct_entry.cold+0x2c/0x38 GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 60.0663[ 70.321322] full_proxy_write+0x53/0x80 41] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.[ 70.331823] vfs_write+0xe7/0x3a0 072756] CR2: ffffffffb419b310 CR3: 0000000103c26004 CR4: 0000000[ 70.341740] ksys_write+0x68/0xf0 0003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: l[ 70.351657] do_syscall_64+0x30/0x40 kdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh #[ 70.361864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Killed # [ 60.197043] lkdtm: Performing direct entry WRITE_R[ 70.373724] RIP: 0033:0x7fa5d0fd38f3 O_AFTER_INIT # [ 60.205372] lkdtm: attempting bad ro_after_in[ 70.383934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 it write at ffffffffb45fe330 # [ 60.212974] BUG: unable to ha[ 70.411139] RSP: 002b:00007fff05034518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.425817] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa5d0fd38f3 ndle page fault for address: ffffffffb45fe330 # [ 60.220661] [ 70.433790] RDX: 0000000000000020 RSI: 00007fa5d0ec6000 RDI: 0000000000000001 #PF: supervisor write access in kernel mode # [ 60.226496] #P[ 70.447978] RBP: 00007fa5d0ec6000 R08: 00007fa5d0ec5010 R09: 0000000000000000 F: error_code(0x0003) - permissions violation # [ 60.238931] [ 70.462170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 PGD 12629067 P4D 12629067 PUD 1262a063 PMD 80000000122000e1 # [ 70.476358] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.246421] Oops: 0003 [#15] SMP PTI # [ 60.256620] CPU: 3[ 70.490555] irq event stamp: 0 PID: 1981 Comm: cat Tainted: G D W 5.10.147-cip18 [ 70.500174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #1 # [ 60.265260] Hardware name: Google Rammus/Rammus, BIOS [ 70.513394] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 09/04/2020 # [ 60.272067] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT[ 70.528749] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 +0x4e/0x5a # [ 60.278095] Code: 2f 58 b4 e9 e3 9b fd ff 48 c7[ 70.544102] softirqs last disabled at (0): [<0000000000000000>] 0x0 c7 80 2f 58 b4 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd [ 70.557320] ---[ end trace 9a2c669e02838d88 ]--- ab 48 c7 c7 28 2f 58 b4 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b[ 70.568693] lkdtm: Saturation detected: still saturated fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 60.299077] RSP: 0018:ffff9dac0273fe60 EFLAGS: 00010202 # [ 60.304909] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 60.312876] RDX: 00000000abcd1234 RSI: ffff8a17fad9bf70 RDI: ffffffffb4582f28 # [ 60.320844] RBP: ffffffffb458211e R08: 0000000000000000 R09: 0000000000000000 # [ 60.328812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 60.336780] R13: ffff9dac0273ff10 R14: ffff9dac0273ff10 R15: ffff8a1782660000 # [ 60.344747] FS: 00007fc37b623580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 60.353784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.360198] CR2: ffffffffb45fe330 CR3: 00000001026f0003 CR4: 00000000003706e0 # [ 60.368167] Call Trace: # [ 60.370894] direct_entry.cold+0x2c/0x38 # [ 60.375273] full_proxy_write+0x53/0x80 # [ 60.379554] vfs_write+0xe7/0x3a0 # [ 60.383250] ksys_write+0x68/0xf0 # [ 60.386949] do_syscall_64+0x30/0x40 # [ 60.390937] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.396575] RIP: 0033:0x7fc37b5398f3 # [ 60.400563] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.4[ 70.706537] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.718943] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 70.726440] ------------[ cut here ]------------ 21544] RSP: 002b:00007ffeed6c6028 EFLAGS: 00000246 ORIG_RAX: 000[ 70.731605] refcount_t: underflow; use-after-free. 0000000000001 # [ 60.430000] RAX: ffffffffffffffda RBX: 00000[ 70.743184] WARNING: CPU: 2 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 70.758814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000014 RCX: 00007fc37b5398f3 # [ 60.437967] RDX: 0000000[ 70.785291] CPU: 2 PID: 2587 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 70.800145] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.806978] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.812815] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.833799] RSP: 0018:ffff9dac03097e40 EFLAGS: 00010286 [ 70.839635] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.847607] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 [ 70.855578] RBP: ffffffffb4581e70 R08: 0000000000000000 R09: 0000000000000000 [ 70.863551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.871523] R13: ffff9dac03097f10 R14: ffff9dac03097f10 R15: ffff8a178598e000 [ 70.879494] FS: 00007f3142958580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 [ 70.888534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.894953] CR2: 00007f3142761000 CR3: 00000001059dc003 CR4: 00000000003706e0 [ 70.902926] Call Trace: [ 70.905657] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.911807] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.918156] direct_entry.cold+0x2c/0x38 [ 70.922568] full_proxy_write+0x53/0x80 [ 70.926878] vfs_write+0xe7/0x3a0 [ 70.930610] ksys_write+0x68/0xf0 [ 70.934311] do_syscall_64+0x30/0x40 [ 70.938326] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.943968] RIP: 0033:0x7f314286e8f3 [ 70.947959] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.968943] RSP: 002b:00007ffe2129bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.977402] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f314286e8f3 [ 70.985389] RDX: 0000000000000020 RSI: 00007f3142761000 RDI: 0000000000000001 000000014 RSI: 00007fc37b42c000 RDI: 0000000000000001 # [ 60.[ 70.993363] RBP: 00007f3142761000 R08: 00007f3142760010 R09: 0000000000000000 445936] RBP: 00007fc37b42c000 R08: 00007fc37b42b010 R09: 0000000[ 71.007548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000000 # [ 60.453904] R10: fffffffffffffbc5 R11: 000000000[ 71.021733] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.035925] irq event stamp: 0 0000246 R12: 0000000000000001 # [ 60.461873] R13: 00000000000[ 71.039360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.052572] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.061709] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.070848] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.077849] ---[ end trace 9a2c669e02838d89 ]--- [ 71.083004] lkdtm: Saturation detected: still saturated 00001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.469845] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.496301] CR2: ffffffffb45fe330 # [ 60.506208] ---[ end trace 9a2c669e02838d77 ]--- # [ 60.511386] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.515762] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 60.536741] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 60.542574] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.550542] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 60.558509] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 60.566478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.574448] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 60.582417] FS: 00007fc37b623580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 60.591451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.597866] CR2: ffffffffb45fe330 CR3: 00000001026f0003 CR4: 00000000003706e0 # [ 60.605834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.615742] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1981, name: cat # [ 60.624197] INFO: lockdep is turned off. # [ 60.628572] irq event stamp: 0 # [ 60.631976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.638974] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.648108] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.657242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.664240] [ 71.282690] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO CPU: 3 PID: 1981 Comm: cat Tainted: G D W 5.10.147-[ 71.294550] lkdtm: attempting good copy_to_user of correct size cip18 #1 # [ 60.672887] Hardware name: Google Rammus/Rammus, [ 71.307384] lkdtm: attempting bad copy_to_user of too large size BIOS 09/04/2020 # [ 60.679690] Call Trace: # [ 60.682418] dump_stack+0x77/0x9b # [ 60.686116] ___might_sleep.cold+0xa6/0xb6 # [ 60.690678] exit_signals+0x1c/0x2e0 # [ 60.694667] do_exit+0xd5/0xb00 # [ 60.698169] ? ksys_write+0x68/0xf0 # [ 60.702061] rewind_stack_do_exit+0x17/0x20 # [ 60.706729] RIP: 0033:0x7fc37b5398f3 # [ 60.710716] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.731696] RSP: 002b:00007ffeed6c6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.740150] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc37b5398f3 # [ 60.748118] RDX: 0000000000000014 RSI: 00007fc37b42c000 RDI: 0000000000000001 # [ 60.756088] RBP: 00007fc37b42c000 R08: 00007fc37b42b010 R09: 0000000000000000 # [ 60.764057] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.772026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.907620] lkdtm: Performing direct entry WRITE_KERN #[ 71.439773] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.451682] lkdtm: attempting good copy_from_user of correct size [ 60.916216] lkdtm: attempting bad 6678339 byte write at ffff[ 71.458532] lkdtm: attempting bad copy_from_user of too large size ffffb3b3d503 # [ 60.923766] BUG: unable to handle page fault for address: ffffffffb3b3d503 # [ 60.931465] #PF: supervisor write access in kernel mode # [ 60.943511] #PF: error_code(0x0003) - permissions violation # [ 60.949737] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 118000e1 # [ 60.962662] Oops: 0003 [#16] SMP PTI # [ 60.966652] CPU: 3 PID: 2016 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 60.975305] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.982112] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.993482] Code: 53 48 c7 c3 03 d5 b3 b3 49 89 dc 48 89 da 49 81 ec c0 ed 4d b3 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 4d b3 a4 48 c7 c7 28 2f 58 b4 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 61.014463] RSP: 0018:ffff9dac027e7e50 EFLAGS: 00010246 # [ 61.020295] RAX: 000000000000003c RBX: ffffffffb3b3d503 RCX: 000000000065e743 # [ 61.028263] RDX: 0000000000000000 RSI: ffffffffb34dedc0 RDI: ffffffffb3b3d503 # [ 61.036231] RBP: ffffffffb4582132 R08: 0000000000000000 R09: 0000000000000000 # [ 61.044199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 # [ 61.052167] R13: ffff9dac027e7f10 R14: ffff9dac027e7f10 R15: ffff8a17840d2000 # [ 61.060134] FS: 000[ 71.592760] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 07f6a21cae580(0000) GS:ffff8a17fad80000(0000) knlGS:000000000000[ 71.603246] lkdtm: attempting good copy_to_user inside whitelist [ 71.616175] lkdtm: attempting bad copy_to_user outside whitelist 0000 # [ 61.069171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.075586] CR2: ffffffffb3b3d503 CR3: 0000000104f14006 CR4: 00000000003706e0 # [ 61.083554] Call Trace: # [ 61.086282] direct_entry.cold+0x2c/0x38 # [ 61.090659] full_proxy_write+0x53/0x80 # [ 61.094940] vfs_write+0xe7/0x3a0 # [ 61.098636] ksys_write+0x68/0xf0 # [ 61.102333] do_syscall_64+0x30/0x40 # [ 61.106314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.111953] RIP: 0033:0x7f6a21bc48f3 # [ 61.115932] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.136911] RSP: 002b:00007fffd46ffa18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.145384] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a21bc48f3 # [ 61.153353] RDX: 000000000000000b RSI: 00007f6a21ab7000 RDI: 0000000000000001 # [ 61.161346] RBP: 00007f6a21ab7000 R08: 00007f6a21ab6010 R09: 0000000000000000 # [ 61.169314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.177283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.185256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar [ 71.755165] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 71.767072] lkdtm: attempting good copy_from_user inside whitelist cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_the[ 71.774003] lkdtm: attempting bad copy_from_user outside whitelist rmal cros_ec_dev cros_usbpd_notify # [ 61.211713] CR2: ffffffffb3b3d503 # [ 61.221622] ---[ end trace 9a2c669e02838d78 ]--- # [ 61.226768] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.231135] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 61.252115] RSP: 0018:ffff9dac013f7e60 EFLAGS: 00010286 # [ 61.257947] RAX: ffffffffb34de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.265916] RDX: 0000000000000000 RSI: ffff8a17fac9bf70 RDI: ffffffffb419ae90 # [ 61.273884] RBP: ffffffffb45dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 61.281852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.289820] R13: ffff9dac013f7f10 R14: ffff9dac013f7f10 R15: ffff8a1783af3000 # [ 61.297789] FS: 00007f6a21cae580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 61.306825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.313241] CR2: ffffffffb3b3d503 CR3: 0000000104f14006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.446468] lkdtm: Performin[ 71.907103] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.918373] lkdtm: good_stack: ffff9dac0346fe20-ffff9dac0346fe40 g direct entry REFCOUNT_INC_OVERFLOW # [ 61.458475] lkdtm: at[ 71.925097] lkdtm: bad_stack : ffff9dac0346fda8-ffff9dac0346fdc8 [ 71.938037] lkdtm: attempting good copy_to_user of local stack tempting good refcount_inc() without overflow # [ 61.471597] [ 71.944566] lkdtm: attempting bad copy_to_user of distant stack lkdtm: attempting bad refcount_inc() overflow # [ 61.483837] ------------[ cut here ]------------ # [ 61.488994] refcount_t: saturated; leaking memory. # [ 61.500584] WARNING: CPU: 1 PID: 2051 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.516201] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.548832] CPU: 1 PID: 2051 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 61.563698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.570506] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.582551] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 # [ 61.609751] RSP: 0018:ffff9dac0286fe48 EFLAGS: 00010286 # [ 61.621800] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.635987] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 # [ 61.650174] RBP: ffffffffb458213d R08: 0000000000000000 R09: 000000000[ 72.079194] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 72.088922] lkdtm: good_stack: ffff9dac03517e20-ffff9dac03517e40 0000000 # [ 61.664383] R10: 00000000ffffe000 R11: 3ffffffffff[ 72.095647] lkdtm: bad_stack : ffff9dac03517da8-ffff9dac03517dc8 [ 72.108572] lkdtm: attempting good copy_from_user of local stack fffff R12: 0000000000000016 # [ 61.678592] R13: ffff9dac0286f[ 72.115297] lkdtm: attempting bad copy_from_user of distant stack f10 R14: ffff9dac0286ff10 R15: ffff8a1783139000 # [ 61.692757] FS: 00007fe7dfda9580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 61.708008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.714434] CR2: 00007fe7dfbb2000 CR3: 00000001028e8001 CR4: 00000000003706e0 # [ 61.728615] Call Trace: # [ 61.731365] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.742905] direct_entry.cold+0x2c/0x38 # [ 61.753501] full_proxy_write+0x53/0x80 # [ 61.764000] vfs_write+0xe7/0x3a0 # [ 61.773913] ksys_write+0x68/0xf0 # [ 61.783828] do_syscall_64+0x30/0x40 # [ 61.794035] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.805891] RIP: 0033:0x7fe7dfcbf8f3 # [ 61.809882] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.837073] RSP: 002b:00007fffa610e848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.851745] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe7dfcbf8f3 # [ 61.859718] RDX: 0000000000000016 RSI: 00007fe7dfbb2000 RDI: 0000000000000001 # [ 61.873898] RBP: 00007fe7dfbb2000 R08: 00007fe7dfbb1010 R09: 0000000000000000 # [ 61.888084] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.896057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.904035] irq event stamp: 0 # [ 61.913652] hardirqs last enabled at (0): [<0000000000000000>] 0[ 72.271610] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.284342] lkdtm: good_stack: ffff9dac03597e20-ffff9dac03597e40 [ 72.291090] lkdtm: bad_stack : ffff9dac03597ff8-ffff9dac03598018 [ 72.297862] lkdtm: attempting good copy_to_user of local stack x0 # [ 61.926868] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.942220] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.957572] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.966805] ---[ end trace 9a2c669e02838d79 ]--- # [ 61.971963] 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 # [ 62.084554] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.093985] lkdtm: attempting good refcount_add() without overflow # [ 62.100897] lkdtm: attempting bad refcount_add() overflow # [ 62.106941] ------------[ cut here ]------------ # [ 62.112105] refcount_t: saturated; leaking memory. # [ 62.117484] WARNING: CPU: 3 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.126923] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.159557] CPU: 3 PID: 2083 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 62.168238] Hardware name: Googl[ 72.443514] lkdtm: Performing direct entry USERCOPY_KERNEL e Rammus/Rammus, BIOS 09/04/2020 # [ 62.175046] RIP: 0010:re[ 72.453611] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb419b330 fcount_warn_saturate+0x51/0x110 # [ 62.180904] Code: 84 bc 00[ 72.468521] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ee2e40 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 [ 72.483071] lkdtm: FAIL: survived bad copy_to_user() c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 # [ 62.201893] RSP: 0018:ffff9dac0290fe48 EFLAGS: 00010286 # [ 62.207761] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.215736] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 62.223708] RBP: ffffffffb4582153 R08: 0000000000000000 R09: 0000000000000000 # [ 62.231683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.239655] R13: ffff9dac0290ff10 R14: ffff9dac0290ff10 R15: ffff8a1784f40000 # [ 62.247630] FS: 00007fd0cdb24580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 62.262885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.275518] CR2: 00007fd0cd92d000 CR3: 000000010277c004 CR4: 00000000003706e0 # [ 62.283489] Call Trace: # [ 62.286220] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.291605] direct_entry.cold+0x2c/0x38 # [ 62.296015] full_proxy_write+0x53/0x80 # [ 62.300323] vfs_write+0xe7/0x3a0 # [ 62.304071] ksys_write+0x68/0xf0 # [ 62.307786] do_syscall_64+0x30/0x40 # [ 62.317980] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.323622] RIP: 0033:0x7fd0cda3a8f3 # [ 62.327613] Code:[ 72.618758] lkdtm: Performing direct entry STACKLEAK_ERASING 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 72.625462] lkdtm: checking unused part of the thread stack (15928 bytes)... 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 72.639574] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 72.653545] lkdtm: FAIL: the thread stack is NOT properly erased 18 # [ 62.348595] RSP: 002b:00007fffcc2b4af8 EFLAGS: 00000246[ 72.666470] CPU: 1 PID: 2952 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 72.681334] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.688139] Call Trace: ORIG_RAX: 0000000000000001 # [ 62.357054] RAX: fffffffffffff[ 72.690872] dump_stack+0x77/0x9b [ 72.700789] lkdtm_STACKLEAK_ERASING+0x116/0x144 fda RBX: 0000000000000016 RCX: 00007fd0cda3a8f3 # [ 62.365025[ 72.705945] direct_entry.cold+0x2c/0x38 [ 72.716535] full_proxy_write+0x53/0x80 ] RDX: 0000000000000016 RSI: 00007fd0cd92d000 RDI: 0000000000000[ 72.720818] vfs_write+0xe7/0x3a0 [ 72.730728] ksys_write+0x68/0xf0 [ 72.734428] do_syscall_64+0x30/0x40 001 # [ 62.372997] RBP: 00007fd0cd92d000 R08: 00007fd0cd92c01[ 72.738419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.750272] RIP: 0033:0x7fef6dc3f8f3 [ 72.754262] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.775245] RSP: 002b:00007fffb7726e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.783703] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fef6dc3f8f3 [ 72.791665] RDX: 0000000000000012 RSI: 00007fef6db32000 RDI: 0000000000000001 [ 72.799634] RBP: 00007fef6db32000 R08: 00007fef6db31010 R09: 0000000000000000 [ 72.807605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.815575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 R09: 0000000000000000 # [ 62.380969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.388940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.396915] irq event stamp: 0 # [ 62.400347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.413554] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.422691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.431827] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.438827] ---[ end trace 9a2c669e02838d7a ]--- # [ 62.443982] 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 # [ 62.570953] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.580987] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.587928] ------------[ cut here ]------------ # [ 62.593112] refcount_t: saturated; leaking memory. # [ 62.604687] WARNING: CPU: 3 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.620318] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.965688] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 62.652991] CPU: 3 PID: 2115 Comm: cat Tainted: G D W [ 72.972837] lkdtm: Calling matched prototype ... 5.10.147-cip18 #1 # [ 62.661688] Hardware name: Google [ 72.984229] lkdtm: Calling mismatched prototype ... Rammus/Rammus, BIOS 09/04/2020 # [ 62.668508] RIP: 0010:refc[ 72.995881] lkdtm: Fail: survived mismatched prototype function call! ount_warn_saturate+0x97/0x110 # [ 62.680547] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 # [ 62.701530] RSP: 0018:ffff9dac029b7e38 EFLAGS: 00010282 # [ 62.707366] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.715336] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 62.723308] RBP: ffffffffb4581d90 R08: 0000000000000000 R09: 0000000000000000 # [ 62.731280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.739251] R13: ffff9dac029b7f10 R14: ffff9dac029b7f10 R15: ffff8a1783b41000 # [ 62.747224] FS: 00007fb6dae43580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 62.762472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.768889] CR2: 00007fb6dac4c000 CR3: 0000000103872003 CR4: 00000000003706e0 # [ 62.776860] Call Trace: # [ 62.779590] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.785750] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.791999] direct_entry.cold+0x2c/0x38 # [ 62.796398] full_proxy_write+0x53/0x80 # [ 62.806894] vfs_write+0xe7/0x3a0 # [ 62.810619] ksys_write+0x68/0xf0 # [ 62.814320] do_syscall_64+0x30/0x40 # [ 62.818311] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.823951] RIP: 0033:0x7fb6dad598f3 # [ 62.827941] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.848922] RSP: 002b:00007ffc97ad6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.857384] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb6dad598f3 # [ 62.865356] RDX: 000000000000001f RSI: 00007fb6dac4c000 RDI: 0000000000000001 # [ 62.879538] RBP: 00007fb6dac4c000 R08: 00007fb6dac4b010 R09: 0000000000000000 # [ 62.893727] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.907911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.915886] irq event stamp: 0 # [ 62.919324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.926326] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.935462] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.944597] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.951597] ---[ end trace 9a2c669e02838d7b ]--- # [ 62.956753] 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 # [ 63.072520] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.081309] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.094440] ------------[ cut here ]------------ # [ 63.105809] refcount_t: saturated; leaking memory. # [ 63.117400] WARNING: CPU: 1 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.133031] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.165670] CPU: 1 PID: 2147 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 63.180535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.193561] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.205607] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 # [ 63.232830] RSP: 0018:ffff9dac02a47e38 EFLAGS: 00010282 # [ 63.244876] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.259040] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 # [ 63.273226] RBP: ffffffffb4581db0 R08: 0000000000000000 R09: 0000000000000000 # [ 63.287428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.295436] R13: ffff9dac02a47f10 R14: ffff9dac02a47f10 R15: ffff8a1783b02000 # [ 63.309619] FS: 00007ff300b0a580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 63.324873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.337505] CR2: 00007ff300913000 CR3: 00000001038ce004 CR4: 00000000003706e0 # [ 63.351692] Call Trace: # [ 63.360639] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.372981] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.385435] direct_entry.cold+0x2c/0x38 # [ 63.396031] full_proxy_write+0x53/0x80 # [ 63.406528] vfs_write+0xe7/0x3a0 # [ 63.416441] ksys_write+0x68/0xf0 # [ 63.426355] do_syscall_64+0x30/0x40 # [ 63.436559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.448415] RIP: 0033:0x7ff300a208f3 # [ 63.458620] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.485816] RSP: 002b:00007ffccaea6d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.500488] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff300a208f3 # [ 63.514675] RDX: 000000000000001f RSI: 00007ff300913000 RDI: 0000000000000001 # [ 63.528865] RBP: 00007ff300913000 R08: 00007ff300912010 R09: 0000000000000000 # [ 63.543051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.557239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.571448] irq event stamp: 0 # [ 63.581071] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.594288] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.609641] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.624994] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.638211] ---[ end trace 9a2c669e02838d7c ]--- # [ 63.649581] 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 # [ 63.768251] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.779053] lkdtm: attempting good refcount_dec() # [ 63.784307] lkdtm: attempting bad refcount_dec() to zero # [ 63.790243] ------------[ cut here ]------------ # [ 63.801613] refcount_t: decrement hit 0; leaking memory. # [ 63.807560] WARNING: CPU: 3 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.823188] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.849645] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 63.864506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.871313] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.877149] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.898130] RSP: 0018:ffff9dac02a8fe48 EFLAGS: 00010286 # [ 63.903966] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.911936] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 63.919906] RBP: ffffffffb4582169 R08: 0000000000000000 R09: 0000000000000000 # [ 63.927878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.935848] R13: ffff9dac02a8ff10 R14: ffff9dac02a8ff10 R15: ffff8a1783ded000 # [ 63.943819] FS: 00007fdfc1d21580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 63.952859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.959275] CR2: 00007fdfc1b2a000 CR3: 000000010588a005 CR4: 00000000003706e0 # [ 63.967246] Call Trace: # [ 63.969977] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.974946] direct_entry.cold+0x2c/0x38 # [ 63.979369] full_proxy_write+0x53/0x80 # [ 63.983660] vfs_write+0xe7/0x3a0 # [ 63.987378] ksys_write+0x68/0xf0 # [ 63.991089] do_syscall_64+0x30/0x40 # [ 64.001290] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.006954] RIP: 0033:0x7fdfc1c378f3 # [ 64.010945] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.031927] RSP: 002b:00007fffff96e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.040384] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdfc1c378f3 # [ 64.048357] RDX: 0000000000000012 RSI: 00007fdfc1b2a000 RDI: 0000000000000001 # [ 64.062538] RBP: 00007fdfc1b2a000 R08: 00007fdfc1b29010 R09: 0000000000000000 # [ 64.070502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.084689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.092668] irq event stamp: 0 # [ 64.102283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.109286] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.118448] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.127582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.134606] ---[ end trace 9a2c669e02838d7d ]--- # [ 64.139766] 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 # [ 64.263537] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.275482] lkdtm: attempting bad refcount_dec() below zero # [ 64.281736] ------------[ cut here ]------------ # [ 64.293094] refcount_t: decrement hit 0; leaking memory. # [ 64.299054] WARNING: CPU: 3 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.308490] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.341120] CPU: 3 PID: 2214 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 64.349770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.356578] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.368630] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.389640] RSP: 0018:ffff9dac02b2fe48 EFLAGS: 00010286 # [ 64.401683] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.409678] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 64.417663] RBP: ffffffffb458217b R08: 0000000000000000 R09: 0000000000000000 # [ 64.431838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.439808] R13: ffff9dac02b2ff10 R14: ffff9dac02b2ff10 R15: ffff8a1783b7d000 # [ 64.447779] FS: 00007feb6bb28580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 64.456817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.463233] CR2: 00007feb6b931000 CR3: 0000000103f2c001 CR4: 00000000003706e0 # [ 64.471203] Call Trace: # [ 64.473935] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 64.479318] direct_entry.cold+0x2c/0x38 # [ 64.483721] full_proxy_write+0x53/0x80 # [ 64.488005] vfs_write+0xe7/0x3a0 # [ 64.491729] ksys_write+0x68/0xf0 # [ 64.495440] do_syscall_64+0x30/0x40 # [ 64.499455] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.505098] RIP: 0033:0x7feb6ba3e8f3 # [ 64.509088] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.530068] RSP: 002b:00007ffd7a66ad18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.538526] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feb6ba3e8f3 # [ 64.546498] RDX: 0000000000000016 RSI: 00007feb6b931000 RDI: 0000000000000001 # [ 64.554469] RBP: 00007feb6b931000 R08: 00007feb6b930010 R09: 0000000000000000 # [ 64.562445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.570416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.578413] irq event stamp: 0 # [ 64.581847] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.588849] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.597983] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.607120] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.614118] ---[ end trace 9a2c669e02838d7e ]--- # [ 64.619273] 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 # [ 64.762792] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.774867] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.782000] ------------[ cut here ]------------ # [ 64.787186] refcount_t: underflow; use-after-free. # [ 64.792564] WARNING: CPU: 2 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.801999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.834632] CPU: 2 PID: 2249 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 64.843307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.850112] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.855946] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.876930] RSP: 0018:ffff9dac02bafe40 EFLAGS: 00010286 # [ 64.882766] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.890737] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 64.898710] RBP: ffffffffb4581dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 64.906680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.914651] R13: ffff9dac02baff10 R14: ffff9dac02baff10 R15: ffff8a1783ea6000 # [ 64.922622] FS: 00007efe5147c580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 64.931661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.938078] CR2: 00007efe51285000 CR3: 0000000103f76002 CR4: 00000000003706e0 # [ 64.946047] Call Trace: # [ 64.948777] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.954929] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.961179] direct_entry.cold+0x2c/0x38 # [ 64.965585] full_proxy_write+0x53/0x80 # [ 64.969893] vfs_write+0xe7/0x3a0 # [ 64.973620] ksys_write+0x68/0xf0 # [ 64.977370] do_syscall_64+0x30/0x40 # [ 64.981387] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.993244] RIP: 0033:0x7efe513928f3 # [ 64.997235] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.018221] RSP: 002b:00007fffd9bf8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.026701] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efe513928f3 # [ 65.034673] RDX: 000000000000001f RSI: 00007efe51285000 RDI: 0000000000000001 # [ 65.042647] RBP: 00007efe51285000 R08: 00007efe51284010 R09: 0000000000000000 # [ 65.056833] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.071020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.079013] irq event stamp: 0 # [ 65.082429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.095640] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.104801] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.113959] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.120973] ---[ end trace 9a2c669e02838d7f ]--- # [ 65.132335] 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 # [ 65.256700] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.269392] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.282734] ------------[ cut here ]------------ # [ 65.294100] refcount_t: underflow; use-after-free. # [ 65.305679] WARNING: CPU: 0 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.321314] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.353937] CPU: 0 PID: 2284 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 65.368840] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.381829] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.393902] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.421107] RSP: 0018:ffff9dac02bffe40 EFLAGS: 00010286 # [ 65.433139] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.447306] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 65.461505] RBP: ffffffffb4581df0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.475681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.489902] R13: ffff9dac02bfff10 R14: ffff9dac02bfff10 R15: ffff8a17831d8000 # [ 65.504068] FS: 00007f3e016a7580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 65.519393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.531990] CR2: 00007f3e014b0000 CR3: 0000000103ad8004 CR4: 00000000003706f0 # [ 65.546196] Call Trace: # [ 65.555135] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.567524] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.579895] direct_entry.cold+0x2c/0x38 # [ 65.590485] full_proxy_write+0x53/0x80 # [ 65.600983] vfs_write+0xe7/0x3a0 # [ 65.610930] ksys_write+0x68/0xf0 # [ 65.620838] do_syscall_64+0x30/0x40 # [ 65.631043] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.642905] RIP: 0033:0x7f3e015bd8f3 # [ 65.653130] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.680338] RSP: 002b:00007ffe4d2d14b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.695026] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3e015bd8f3 # [ 65.709198] RDX: 000000000000001f RSI: 00007f3e014b0000 RDI: 0000000000000001 # [ 65.723380] RBP: 00007f3e014b0000 R08: 00007f3e014af010 R09: 0000000000000000 # [ 65.737577] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.751761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.765962] irq event stamp: 0 # [ 65.775577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.788796] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.804155] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.819524] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.832744] ---[ end trace 9a2c669e02838d80 ]--- # [ 65.844112] 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 # [ 65.988923] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.998506] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.011826] lkdtm: Good: zero detected # [ 66.022242] lkdtm: Correctly stayed at zero # [ 66.033151] lkdtm: attempting bad refcount_inc() from zero # [ 66.045489] ------------[ cut here ]------------ # [ 66.056867] refcount_t: addition on 0; use-after-free. # [ 66.068821] WARNING: CPU: 0 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.084476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.117114] CPU: 0 PID: 2316 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 66.131974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.144982] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.157039] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 b4 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 # [ 66.184259] RSP: 0018:ffff9dac02c87e48 EFLAGS: 00010286 # [ 66.196302] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.210484] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 66.224685] RBP: ffffffffb4582191 R08: 0000000000000000 R09: 0000000000000000 # [ 66.238892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.253086] R13: ffff9dac02c87f10 R14: ffff9dac02c87f10 R15: ffff8a17828f6000 # [ 66.267293] FS: 00007f54ce826580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 66.282547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.295217] CR2: 00007f54ce62f000 CR3: 000000010388c001 CR4: 00000000003706f0 # [ 66.309375] Call Trace: # [ 66.318357] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.329623] direct_entry.cold+0x2c/0x38 # [ 66.340173] full_proxy_write+0x53/0x80 # [ 66.350722] vfs_write+0xe7/0x3a0 # [ 66.360658] ksys_write+0x68/0xf0 # [ 66.370623] do_syscall_64+0x30/0x40 # [ 66.380771] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.392698] RIP: 0033:0x7f54ce73c8f3 # [ 66.402877] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.430079] RSP: 002b:00007fffb218b2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.444846] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54ce73c8f3 # [ 66.458969] RDX: 0000000000000012 RSI: 00007f54ce62f000 RDI: 0000000000000001 # [ 66.473139] RBP: 00007f54ce62f000 R08: 00007f54ce62e010 R09: 0000000000000000 # [ 66.487327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.501543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.515732] irq event stamp: 0 # [ 66.525342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.538525] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.553921] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.569294] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.582512] ---[ end trace 9a2c669e02838d81 ]--- # [ 66.593901] 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 # [ 66.718561] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.729388] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.736502] lkdtm: Good: zero detected # [ 66.746898] lkdtm: Correctly stayed at zero # [ 66.751576] lkdtm: attempting bad refcount_add() from zero # [ 66.757702] ------------[ cut here ]------------ # [ 66.762861] refcount_t: addition on 0; use-after-free. # [ 66.774824] WARNING: CPU: 2 PID: 2348 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.790461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.823127] CPU: 2 PID: 2348 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 66.831800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.838621] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.850661] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 b4 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 # [ 66.871645] RSP: 0018:ffff9dac02cf7e48 EFLAGS: 00010286 # [ 66.877481] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.885452] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 66.893432] RBP: ffffffffb45821a3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.901404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.909396] R13: ffff9dac02cf7f10 R14: ffff9dac02cf7f10 R15: ffff8a1784e9f000 # [ 66.917368] FS: 00007f16275b5580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 66.932618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.939037] CR2: 00007f16273be000 CR3: 00000001031ae004 CR4: 00000000003706e0 # [ 66.947008] Call Trace: # [ 66.949739] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.954732] direct_entry.cold+0x2c/0x38 # [ 66.959136] full_proxy_write+0x53/0x80 # [ 66.963420] vfs_write+0xe7/0x3a0 # [ 66.967145] ksys_write+0x68/0xf0 # [ 66.970846] do_syscall_64+0x30/0x40 # [ 66.974838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.980480] RIP: 0033:0x7f16274cb8f3 # [ 66.984471] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.005454] RSP: 002b:00007ffcaade5b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.013912] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f16274cb8f3 # [ 67.021884] RDX: 0000000000000012 RSI: 00007f16273be000 RDI: 0000000000000001 # [ 67.029855] RBP: 00007f16273be000 R08: 00007f16273bd010 R09: 0000000000000000 # [ 67.037825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.045797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.059990] irq event stamp: 0 # [ 67.069609] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.076611] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.085747] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.094883] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.101883] ---[ end trace 9a2c669e02838d82 ]--- # [ 67.107040] 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 # [ 67.232529] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.242911] lkdtm: attempting bad refcount_inc() from saturated # [ 67.249530] ------------[ cut here ]------------ # [ 67.254687] refcount_t: saturated; leaking memory. # [ 67.260054] WARNING: CPU: 2 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.269489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.295952] CPU: 2 PID: 2383 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 67.310812] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.317621] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.323482] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 # [ 67.350684] RSP: 0018:ffff9dac02d97e48 EFLAGS: 00010286 # [ 67.356520] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.364491] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 67.372460] RBP: ffffffffb45821b5 R08: 0000000000000000 R09: 0000000000000000 # [ 67.380460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.388443] R13: ffff9dac02d97f10 R14: ffff9dac02d97f10 R15: ffff8a1784ff5000 # [ 67.402620] FS: 00007f0d59328580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 67.411659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.418077] CR2: 00007f0d59131000 CR3: 00000001058d6001 CR4: 00000000003706e0 # [ 67.426048] Call Trace: # [ 67.428778] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.434247] direct_entry.cold+0x2c/0x38 # [ 67.438652] full_proxy_write+0x53/0x80 # [ 67.442958] vfs_write+0xe7/0x3a0 # [ 67.446681] ksys_write+0x68/0xf0 # [ 67.450389] do_syscall_64+0x30/0x40 # [ 67.460598] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.472457] RIP: 0033:0x7f0d5923e8f3 # [ 67.482662] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.509864] RSP: 002b:00007fff91b130a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.524539] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0d5923e8f3 # [ 67.535134] RDX: 0000000000000017 RSI: 00007f0d59131000 RDI: 0000000000000001 # [ 67.549322] RBP: 00007f0d59131000 R08: 00007f0d59130010 R09: 0000000000000000 # [ 67.559042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.567211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.575190] irq event stamp: 0 # [ 67.584809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.598028] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.613383] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.628738] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.635739] ---[ end trace 9a2c669e02838d83 ]--- # [ 67.640896] 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 # [ 67.784292] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.796509] lkdtm: attempting bad refcount_dec() from saturated # [ 67.803130] ------------[ cut here ]------------ # [ 67.808292] refcount_t: decrement hit 0; leaking memory. # [ 67.814235] WARNING: CPU: 3 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.823670] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.850131] CPU: 3 PID: 2418 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 67.864988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.871796] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.877631] Code: 28 dc 51 b4 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 51 b4 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.898612] RSP: 0018:ffff9dac02e0fe48 EFLAGS: 00010286 # [ 67.904447] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.912431] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 67.920436] RBP: ffffffffb45821cc R08: 0000000000000000 R09: 0000000000000000 # [ 67.934624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.942596] R13: ffff9dac02e0ff10 R14: ffff9dac02e0ff10 R15: ffff8a1783ad8000 # [ 67.950567] FS: 00007f9f7fe2c580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 67.959608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.966023] CR2: 00007f9f7fc35000 CR3: 0000000104d0c006 CR4: 00000000003706e0 # [ 67.974016] Call Trace: # [ 67.976763] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.988413] direct_entry.cold+0x2c/0x38 # [ 67.992839] full_proxy_write+0x53/0x80 # [ 67.997144] vfs_write+0xe7/0x3a0 # [ 68.000868] ksys_write+0x68/0xf0 # [ 68.004570] do_syscall_64+0x30/0x40 # [ 68.008585] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.014226] RIP: 0033:0x7f9f7fd428f3 # [ 68.018216] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.039199] RSP: 002b:00007ffd9bf14248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.047655] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9f7fd428f3 # [ 68.055626] RDX: 0000000000000017 RSI: 00007f9f7fc35000 RDI: 0000000000000001 # [ 68.063596] RBP: 00007f9f7fc35000 R08: 00007f9f7fc34010 R09: 0000000000000000 # [ 68.071567] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.079539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.087514] irq event stamp: 0 # [ 68.090947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.104157] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.113294] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.122444] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.129444] ---[ end trace 9a2c669e02838d84 ]--- # [ 68.134598] 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 # [ 68.306963] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.315170] lkdtm: attempting bad refcount_dec() from saturated # [ 68.328016] ------------[ cut here ]------------ # [ 68.339400] refcount_t: saturated; leaking memory. # [ 68.350996] WARNING: CPU: 0 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.366627] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.399290] CPU: 0 PID: 2453 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 68.414135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.427141] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.439185] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 51 b4 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 51 # [ 68.466398] RSP: 0018:ffff9dac02e87e48 EFLAGS: 00010286 # [ 68.478442] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.492639] RDX: ffff8a17fac2c660 RSI: ffff8a17fac1bf70 RDI: ffff8a17fac1bf70 # [ 68.506843] RBP: ffffffffb45821e3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.521038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.535223] R13: ffff9dac02e87f10 R14: ffff9dac02e87f10 R15: ffff8a17859d2000 # [ 68.549466] FS: 00007fbc470be580(0000) GS:ffff8a17fac00000(0000) knlGS:0000000000000000 # [ 68.564693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.577326] CR2: 00007fbc46ec7000 CR3: 0000000104e4c001 CR4: 00000000003706f0 # [ 68.591520] Call Trace: # [ 68.600476] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.612161] direct_entry.cold+0x2c/0x38 # [ 68.622805] full_proxy_write+0x53/0x80 # [ 68.633245] vfs_write+0xe7/0x3a0 # [ 68.643225] ksys_write+0x68/0xf0 # [ 68.653144] do_syscall_64+0x30/0x40 # [ 68.663413] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.675248] RIP: 0033:0x7fbc46fd48f3 # [ 68.685542] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.712739] RSP: 002b:00007ffccea37338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.727473] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc46fd48f3 # [ 68.741660] RDX: 0000000000000017 RSI: 00007fbc46ec7000 RDI: 0000000000000001 # [ 68.755842] RBP: 00007fbc46ec7000 R08: 00007fbc46ec6010 R09: 0000000000000000 # [ 68.770016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.784210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.798484] irq event stamp: 0 # [ 68.808089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.821319] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.836713] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.852061] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.865305] ---[ end trace 9a2c669e02838d85 ]--- # [ 68.876652] 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 # [ 69.016405] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 69.026898] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 69.034401] ------------[ cut here ]------------ # [ 69.045760] refcount_t: saturated; leaking memory. # [ 69.051138] WARNING: CPU: 3 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.060574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.093208] CPU: 3 PID: 2485 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 69.101881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.108690] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.114526] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 # [ 69.135508] RSP: 0018:ffff9dac02ef7e38 EFLAGS: 00010282 # [ 69.141344] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.149323] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 69.163509] RBP: ffffffffb4581e10 R08: 0000000000000000 R09: 0000000000000000 # [ 69.171505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.185692] R13: ffff9dac02ef7f10 R14: ffff9dac02ef7f10 R15: ffff8a1785844000 # [ 69.193664] FS: 00007ff1a6c5e580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 69.202705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.209123] CR2: 00007ff1a6a67000 CR3: 0000000105a46001 CR4: 00000000003706e0 # [ 69.217117] Call Trace: # [ 69.219860] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.232190] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.238544] direct_entry.cold+0x2c/0x38 # [ 69.242925] full_proxy_write+0x53/0x80 # [ 69.247233] vfs_write+0xe7/0x3a0 # [ 69.250960] ksys_write+0x68/0xf0 # [ 69.254660] do_syscall_64+0x30/0x40 # [ 69.258653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.264294] RIP: 0033:0x7ff1a6b748f3 # [ 69.268285] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.289267] RSP: 002b:00007ffca3fa2138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.297724] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff1a6b748f3 # [ 69.305695] RDX: 0000000000000020 RSI: 00007ff1a6a67000 RDI: 0000000000000001 # [ 69.313666] RBP: 00007ff1a6a67000 R08: 00007ff1a6a66010 R09: 0000000000000000 # [ 69.321638] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.329609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.337585] irq event stamp: 0 # [ 69.341022] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.348023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.357160] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.366295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.373295] ---[ end trace 9a2c669e02838d86 ]--- # [ 69.378450] 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 # [ 69.530541] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.541165] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.548655] ------------[ cut here ]------------ # [ 69.553845] refcount_t: saturated; leaking memory. # [ 69.559248] WARNING: CPU: 3 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.568686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.601321] CPU: 3 PID: 2517 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 69.610002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.616809] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.622647] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 51 b4 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 # [ 69.643630] RSP: 0018:ffff9dac02f5fe38 EFLAGS: 00010282 # [ 69.649467] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.657440] RDX: ffff8a17fadac660 RSI: ffff8a17fad9bf70 RDI: ffff8a17fad9bf70 # [ 69.665427] RBP: ffffffffb4581e30 R08: 0000000000000000 R09: 0000000000000000 # [ 69.673435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.681408] R13: ffff9dac02f5ff10 R14: ffff9dac02f5ff10 R15: ffff8a17831d0000 # [ 69.689389] FS: 00007f4de67b2580(0000) GS:ffff8a17fad80000(0000) knlGS:0000000000000000 # [ 69.704644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.711062] CR2: 00007f4de65bb000 CR3: 0000000102662002 CR4: 00000000003706e0 # [ 69.719035] Call Trace: # [ 69.721768] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.727929] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.734282] direct_entry.cold+0x2c/0x38 # [ 69.738684] full_proxy_write+0x53/0x80 # [ 69.742971] vfs_write+0xe7/0x3a0 # [ 69.746702] ksys_write+0x68/0xf0 # [ 69.750442] do_syscall_64+0x30/0x40 # [ 69.754464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.760132] RIP: 0033:0x7f4de66c88f3 # [ 69.764124] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.785109] RSP: 002b:00007ffcdb85adf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.793591] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4de66c88f3 # [ 69.801565] RDX: 0000000000000020 RSI: 00007f4de65bb000 RDI: 0000000000000001 # [ 69.809540] RBP: 00007f4de65bb000 R08: 00007f4de65ba010 R09: 0000000000000000 # [ 69.823729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.837913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.845907] irq event stamp: 0 # [ 69.849325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.862535] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.871722] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.880874] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.894078] ---[ end trace 9a2c669e02838d87 ]--- # [ 69.899235] 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 # [ 70.027152] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.037083] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.050787] ------------[ cut here ]------------ # [ 70.062152] refcount_t: underflow; use-after-free. # [ 70.067532] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.083144] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.115781] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.124432] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.137455] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.149502] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.176704] RSP: 0018:ffff9dac03017e40 EFLAGS: 00010286 # [ 70.188776] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.202945] RDX: ffff8a17facac660 RSI: ffff8a17fac9bf70 RDI: ffff8a17fac9bf70 # [ 70.217131] RBP: ffffffffb4581e50 R08: 0000000000000000 R09: 0000000000000000 # [ 70.225104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.239287] R13: ffff9dac03017f10 R14: ffff9dac03017f10 R15: ffff8a1783cd3000 # [ 70.247263] FS: 00007fa5d10bd580(0000) GS:ffff8a17fac80000(0000) knlGS:0000000000000000 # [ 70.262513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.268933] CR2: 00007fa5d0ec6000 CR3: 0000000103c9a003 CR4: 00000000003706e0 # [ 70.283115] Call Trace: # [ 70.285848] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.298186] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.310726] direct_entry.cold+0x2c/0x38 # [ 70.321322] full_proxy_write+0x53/0x80 # [ 70.331823] vfs_write+0xe7/0x3a0 # [ 70.341740] ksys_write+0x68/0xf0 # [ 70.351657] do_syscall_64+0x30/0x40 # [ 70.361864] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.373724] RIP: 0033:0x7fa5d0fd38f3 # [ 70.383934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.411139] RSP: 002b:00007fff05034518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.425817] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa5d0fd38f3 # [ 70.433790] RDX: 0000000000000020 RSI: 00007fa5d0ec6000 RDI: 0000000000000001 # [ 70.447978] RBP: 00007fa5d0ec6000 R08: 00007fa5d0ec5010 R09: 0000000000000000 # [ 70.462170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.476358] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.490555] irq event stamp: 0 # [ 70.500174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.513394] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.528749] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.544102] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.557320] ---[ end trace 9a2c669e02838d88 ]--- # [ 70.568693] 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 # [ 70.706537] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.718943] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.726440] ------------[ cut here ]------------ # [ 70.731605] refcount_t: underflow; use-after-free. # [ 70.743184] WARNING: CPU: 2 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.758814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.785291] CPU: 2 PID: 2587 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.800145] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.806978] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.812815] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 51 b4 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.833799] RSP: 0018:ffff9dac03097e40 EFLAGS: 00010286 # [ 70.839635] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.847607] RDX: ffff8a17fad2c660 RSI: ffff8a17fad1bf70 RDI: ffff8a17fad1bf70 # [ 70.855578] RBP: ffffffffb4581e70 R08: 0000000000000000 R09: 0000000000000000 # [ 70.863551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.871523] R13: ffff9dac03097f10 R14: ffff9dac03097f10 R15: ffff8a178598e000 # [ 70.879494] FS: 00007f3142958580(0000) GS:ffff8a17fad00000(0000) knlGS:0000000000000000 # [ 70.888534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.894953] CR2: 00007f3142761000 CR3: 00000001059dc003 CR4: 00000000003706e0 # [ 70.902926] Call Trace: # [ 70.905657] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.911807] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.918156] direct_entry.cold+0x2c/0x38 # [ 70.922568] full_proxy_write+0x53/0x80 # [ 70.926878] vfs_write+0xe7/0x3a0 # [ 70.930610] ksys_write+0x68/0xf0 # [ 70.934311] do_syscall_64+0x30/0x40 # [ 70.938326] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.943968] RIP: 0033:0x7f314286e8f3 # [ 70.947959] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.968943] RSP: 002b:00007ffe2129bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.977402] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f314286e8f3 # [ 70.985389] RDX: 0000000000000020 RSI: 00007f3142761000 RDI: 0000000000000001 # [ 70.993363] RBP: 00007f3142761000 R08: 00007f3142760010 R09: 0000000000000000 # [ 71.007548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.021733] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.035925] irq event stamp: 0 # [ 71.039360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.052572] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.061709] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.070848] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.077849] ---[ end trace 9a2c669e02838d89 ]--- # [ 71.083004] 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 # [ 71.282690] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.294550] lkdtm: attempting good copy_to_user of correct size # [ 71.307384] 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 # [ 71.439773] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.451682] lkdtm: attempting good copy_from_user of correct size # [ 71.458532] 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 # [ 71.592760] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.603246] lkdtm: attempting good copy_to_user inside whitelist # [ 71.616175] 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 # [ 71.755165] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.767072] lkdtm: attempting good copy_from_user inside whitelist # [ 71.774003] 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 # [ 71.907103] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.918373] lkdtm: good_stack: ffff9dac0346fe20-ffff9dac0346fe40 # [ 71.925097] lkdtm: bad_stack : ffff9dac0346fda8-ffff9dac0346fdc8 # [ 71.938037] lkdtm: attempting good copy_to_user of local stack # [ 71.944566] 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 # [ 72.079194] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.088922] lkdtm: good_stack: ffff9dac03517e20-ffff9dac03517e40 # [ 72.095647] lkdtm: bad_stack : ffff9dac03517da8-ffff9dac03517dc8 # [ 72.108572] lkdtm: attempting good copy_from_user of local stack # [ 72.115297] 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 # [ 72.271610] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.284342] lkdtm: good_stack: ffff9dac03597e20-ffff9dac03597e40 # [ 72.291090] lkdtm: bad_stack : ffff9dac03597ff8-ffff9dac03598018 # [ 72.297862] lkdtm: attempting good copy_to_user of local stack # [ 72.304412] lkdtm: attempting bad copy_to_user of distant stack # [ 72.317222] 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 # [ 72.443514] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.453611] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb419b330 # [ 72.468521] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ee2e40 # [ 72.483071] 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 # [ 72.618758] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.625462] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.639574] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.653545] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.666470] CPU: 1 PID: 2952 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 72.681334] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.688139] Call Trace: # [ 72.690872] dump_stack+0x77/0x9b # [ 72.700789] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.705945] direct_entry.cold+0x2c/0x38 # [ 72.716535] full_proxy_write+0x53/0x80 # [ 72.720818] vfs_write+0xe7/0x3a0 # [ 72.730728] ksys_write+0x68/0xf0 # [ 72.734428] do_syscall_64+0x30/0x40 # [ 72.738419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.750272] RIP: 0033:0x7fef6dc3f8f3 # [ 72.754262] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.775245] RSP: 002b:00007fffb7726e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.783703] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fef6dc3f8f3 # [ 72.791665] RDX: 0000000000000012 RSI: 00007fef6db32000 RDI: 0000000000000001 # [ 72.799634] RBP: 00007fef6db32000 R08: 00007fef6db31010 R09: 0000000000000000 # [ 72.807605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.815575] 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 # [ 72.965688] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.972837] lkdtm: Calling matched prototype ... # [ 72.984229] lkdtm: Calling mismatched prototype ... # [ 72.995881] 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 / #