[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_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_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 21128 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...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. 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 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. 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 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' SGX: pre-conditions not met 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 373493 run 174366 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8970 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 8965 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90953 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107745 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 14159 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 22362 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 53521 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 13861 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 11322 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 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 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 10049 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 466056 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486169 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 825995 exit 39267 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113880 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139315 exit 18054 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 30879 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 6985 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 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 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 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23474 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 23777 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 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 24913 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-05 19:58:52 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-05 19:58:52 UTC ELOG: Event(A6) added with size 13 at 2022-07-05 19:58:52 UTC ELOG: Event(92) added with size 9 at 2022-07-05 19:58:52 UTC ELOG: Event(9A) added with size 9 at 2022-07-05 19:58:52 UTC ELOG: Event(AD) added with size 10 at 2022-07-05 19:58:52 UTC ELOG: Event(9F) added with size 14 at 2022-07-05 19:58:52 UTC BS: BS_DEV_INIT times (us): entry 0 run 417507 exit 66290 ELOG: Event(A1) added with size 10 at 2022-07-05 19:58:52 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-05 19:58:52 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25551 run 3959 exit 5205 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 533790 exit 146818 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 606 run 262149 exit 135654 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 6756569/tftp-deploy-57r3zrh9/kernel/bzImage 6756569/tftp-deploy-57r3zrh9/kernel/cmdline 6756569/tftp-deploy-57r3zrh9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6756569/tftp-deploy-57r3zrh9/kernel/bzImaoy-57r3zrh9/kernel/cmdline 6756569/tftp-deploy-57r3zrh9/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 192.168.201.14 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6756569/tftp-deploy-57r3zrh9/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ############################################################### done. The bootfile was 13096928 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: 6756569/tftp-deploy-57r3zrh9/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/6756569/extract-nfsrootfs-p0hj7ilx,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: 18985799 Starting kernel ... [ 0.000000] Linux version 5.10.126-cip11 (KernelCI@build-j315394-x86-64-gcc-10-x86-64-defconfig-x86-chromebootsddt) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 5 19:27:32 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/6756569/extract-nfsrootfs-p0hj7ilx,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 [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001378] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007055] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024710] check: Scanning 1 areas for low memory corruption [ 0.024724] Using GB pages for direct mapping [ 0.025359] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.025367] ACPI: Early table checksum verification disabled [ 0.025376] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025390] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025408] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025425] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025438] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025451] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025463] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025476] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025489] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025502] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025514] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025528] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025540] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025553] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025566] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025572] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025577] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025582] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025587] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025592] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025597] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025602] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025607] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025612] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025617] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025622] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025766] No NUMA configuration found [ 0.025772] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025783] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.025828] Zone ranges: [ 0.025833] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025841] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025849] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025857] Movable zone start for each node [ 0.025862] Early memory node ranges [ 0.025867] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025873] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025878] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025885] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025923] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025972] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.037768] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.037837] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037864] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038219] ACPI: PM-Timer IO Port: 0x1808 [ 0.038275] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038287] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038294] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038308] Using ACPI (MADT) for SMP configuration information [ 0.038314] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038321] TSC deadline timer available [ 0.038327] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038356] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038362] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038368] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038372] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038376] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038381] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038385] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038389] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038394] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038398] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038402] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038406] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038411] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038415] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038419] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038428] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038436] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.052846] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.053139] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.053220] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.053226] Policy zone: Normal [ 0.053240] 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/6756569/extract-nfsrootfs-p0hj7ilx,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.053776] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.054040] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.054129] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.076467] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.076619] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.076675] Kernel/User page tables isolation: enabled [ 0.076753] ftrace: allocating 52715 entries in 206 pages [ 0.117224] ftrace: allocated 206 pages with 5 groups [ 0.117528] Running RCU self tests [ 0.117546] rcu: Hierarchical RCU implementation. [ 0.117551] rcu: RCU event tracing is enabled. [ 0.117555] rcu: RCU lockdep checking is enabled. [ 0.117561] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.117566] Rude variant of Tasks RCU enabled. [ 0.117571] Tracing variant of Tasks RCU enabled. [ 0.117576] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.117581] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.128035] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.128537] random: crng init done [ 0.128650] Console: colour dummy device 80x25 [ 0.203915] printk: console [ttyS0] enabled [ 0.204284] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.204946] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.205307] ... MAX_LOCK_DEPTH: 48 [ 0.205675] ... MAX_LOCKDEP_KEYS: 8192 [ 0.206057] ... CLASSHASH_SIZE: 4096 [ 0.206439] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.206829] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.207218] ... CHAINHASH_SIZE: 32768 [ 0.207607] memory used by lock dependency info: 6365 kB [ 0.208076] memory used for stack traces: 4224 kB [ 0.208494] per task-struct memory footprint: 1920 bytes [ 0.209018] ACPI: Core revision 20200925 [ 0.209610] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.210110] APIC: Switch to symmetric I/O mode setup [ 0.214573] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.215494] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.216402] pid_max: default: 32768 minimum: 301 [ 0.216476] LSM: Security Framework initializing [ 0.216476] SELinux: Initializing. [ 0.216476] LSM support for eBPF active [ 0.216476] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216476] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216476] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.216476] process: using mwait in idle threads [ 0.216476] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.216476] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.216476] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.216476] Spectre V2 : Mitigation: Retpolines [ 0.216476] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.216476] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.216476] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.216476] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.216476] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.216476] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216476] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216476] SRBDS: Vulnerable: No microcode [ 0.216476] Freeing SMP alternatives memory: 44K [ 0.216476] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.217240] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.217493] ... version: 4 [ 0.217851] ... bit width: 48 [ 0.218214] ... generic registers: 4 [ 0.218485] ... value mask: 0000ffffffffffff [ 0.218949] ... max period: 00007fffffffffff [ 0.219412] ... fixed-purpose events: 3 [ 0.219483] ... event mask: 000000070000000f [ 0.220529] rcu: Hierarchical SRCU implementation. [ 0.223205] smp: Bringing up secondary CPUs ... [ 0.224313] x86: Booting SMP configuration: [ 0.224508] .... node #0, CPUs: #1 [ 0.225917] 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. [ 0.226509] 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. [ 0.228221] #2 #3 [ 0.230949] smp: Brought up 1 node, 4 CPUs [ 0.231502] smpboot: Max logical packages: 1 [ 0.231883] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.234869] devtmpfs: initialized [ 0.235877] x86/mm: Memory block size: 128MB [ 0.240727] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.241499] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.242601] pinctrl core: initialized pinctrl subsystem [ 0.243467] PM: RTC time: 19:59:06, date: 2022-07-05 [ 0.244139] NET: Registered protocol family 16 [ 0.245364] audit: initializing netlink subsys (disabled) [ 0.245541] audit: type=2000 audit(1657051146.030:1): state=initialized audit_enabled=0 res=1 [ 0.246491] thermal_sys: Registered thermal governor 'step_wise' [ 0.246498] thermal_sys: Registered thermal governor 'user_space' [ 0.247119] cpuidle: using governor menu [ 0.247903] ACPI: bus type PCI registered [ 0.248910] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.249491] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.250118] PCI: Using configuration type 1 for base access [ 0.278369] Kprobes globally optimized [ 0.278636] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.279497] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.280286] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.283844] ACPI: Added _OSI(Module Device) [ 0.284219] ACPI: Added _OSI(Processor Device) [ 0.284488] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.284904] ACPI: Added _OSI(Processor Aggregator Device) [ 0.285377] ACPI: Added _OSI(Linux-Dell-Video) [ 0.285502] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.285971] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.301374] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.310520] ACPI: EC: EC started [ 0.310833] ACPI: EC: interrupt blocked [ 0.312041] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.312489] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.313127] ACPI: Interpreter enabled [ 0.313532] ACPI: (supports S0 S3 S4 S5) [ 0.313884] ACPI: Using IOAPIC for interrupt routing [ 0.314408] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.333698] ACPI: Power Resource [PRIC] (on) [ 0.467361] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.467496] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.468630] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.469314] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.470252] PCI host bridge to bus 0000:00 [ 0.470490] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.471081] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.471486] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.472132] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.472485] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.473132] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.473485] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.474133] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.474485] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.475132] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.475485] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.476133] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.476485] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.477132] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.477485] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.478131] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.478486] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.479132] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.479485] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.480132] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.480486] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.481072] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.482732] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.483285] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.483507] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.484143] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.485295] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.485515] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.487063] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.487515] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.488939] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.489504] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.490253] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.491451] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.491529] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.492966] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.493535] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.495143] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.495536] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.497175] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.497536] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.498156] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.499472] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.499536] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.501172] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.501718] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.503230] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.503535] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.505142] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.505536] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.507139] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.507529] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.509263] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.509530] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.511111] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.512460] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.512521] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.514017] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.514534] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.515179] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.515608] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.517079] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.517554] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.518218] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.519392] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.519522] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.521756] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.523283] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.527685] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.530778] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.531234] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.533108] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.533821] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.534763] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.535734] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.536695] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.537661] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.538629] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.539599] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.547084] ACPI: EC: interrupt unblocked [ 0.547458] ACPI: EC: event unblocked [ 0.547484] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.547937] ACPI: EC: GPE=0x6e [ 0.548221] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.548488] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.549678] iommu: Default domain type: Translated [ 0.550569] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.551116] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.551510] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.552013] vgaarb: loaded [ 0.552930] SCSI subsystem initialized [ 0.553670] ACPI: bus type USB registered [ 0.554186] usbcore: registered new interface driver usbfs [ 0.554565] usbcore: registered new interface driver hub [ 0.555080] usbcore: registered new device driver usb [ 0.555636] pps_core: LinuxPPS API ver. 1 registered [ 0.556073] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.556502] PTP clock support registered [ 0.557517] Advanced Linux Sound Architecture Driver Initialized. [ 0.559211] NetLabel: Initializing [ 0.559486] NetLabel: domain hash size = 128 [ 0.559872] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.560450] NetLabel: unlabeled traffic allowed by default [ 0.560626] PCI: Using ACPI for IRQ routing [ 0.568938] clocksource: Switched to clocksource tsc-early [ 1.018773] VFS: Disk quotas dquot_6.6.0 [ 1.019179] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.020246] pnp: PnP ACPI init [ 1.021464] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.022071] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.022670] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.023249] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.023844] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.024424] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.025050] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.025675] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.026253] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.026848] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.028478] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.029466] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.030303] system 00:04: [io 0x0200] has been reserved [ 1.030795] system 00:04: [io 0x0204] has been reserved [ 1.031266] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.031805] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.035156] pnp: PnP ACPI: found 6 devices [ 1.052291] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.053206] NET: Registered protocol family 2 [ 1.053795] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.056320] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.057319] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.058265] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.061122] TCP: Hash tables configured (established 32768 bind 32768) [ 1.062055] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.063052] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.063966] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.065041] NET: Registered protocol family 1 [ 1.066216] RPC: Registered named UNIX socket transport module. [ 1.066789] RPC: Registered udp transport module. [ 1.067206] RPC: Registered tcp transport module. [ 1.067634] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.068827] NET: Registered protocol family 44 [ 1.069243] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.069719] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.070322] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.070879] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.071418] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.072089] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.072704] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.073301] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.073912] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.074532] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.075137] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.075753] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.076358] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.076974] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.077597] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.078203] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.078820] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.079424] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.080040] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.080660] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.081281] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.081896] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.082517] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.083583] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.086585] PCI: CLS 64 bytes, default 64 [ 1.087365] Unpacking initramfs... [ 1.439049] Freeing initrd memory: 8312K [ 1.439559] DMAR: Host address width 39 [ 1.439935] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.440468] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.441213] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.441866] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.442353] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.443157] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.443736] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.444683] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.445366] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.445885] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.446380] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.446870] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.447364] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.449882] kvm: already loaded the other module [ 1.456662] check: Scanning for low memory corruption every 60 seconds [ 1.460962] Initialise system trusted keyrings [ 1.461623] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.484671] NFS: Registering the id_resolver key type [ 1.485166] Key type id_resolver registered [ 1.485580] Key type id_legacy registered [ 1.507766] Key type asymmetric registered [ 1.508161] Asymmetric key parser 'x509' registered [ 1.508669] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.509327] io scheduler mq-deadline registered [ 1.509748] io scheduler kyber registered [ 1.510368] test_firmware: interface ready [ 1.512513] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.514496] ACPI: AC Adapter [AC] (on-line) [ 1.515307] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.517062] ACPI: Lid Switch [LID0] [ 1.517695] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.518621] ACPI: Power Button [PWRF] [ 1.519427] ACPI: \_PR_.CP00: Found 3 idle states [ 1.520689] ACPI: \_PR_.CP01: Found 3 idle states [ 1.521749] ACPI: \_PR_.CP02: Found 3 idle states [ 1.522856] ACPI: \_PR_.CP03: Found 3 idle states [ 1.524471] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.528889] hpet_acpi_add: no address or irqs in _CRS [ 1.529437] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.529637] Non-volatile memory driver v1.3 [ 1.530576] Linux agpgart interface v0.103 [ 1.533928] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.587664] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.588974] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.589887] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.591086] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.615780] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.619766] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.638390] loop: module loaded [ 1.639557] lkdtm: No crash points registered, enable through debugfs [ 1.665281] printk: console [ttyS0] disabled [ 1.665996] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.487726] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.493658] printk: console [ttyS0] enabled [ 2.501385] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.525030] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.897911] clocksource: Switched to clocksource tsc [ 4.898125] fbcon: i915drmfb (fb0) is primary device [ 4.900277] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.909268] e100: Intel(R) PRO/100 Network Driver [ 4.909272] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.909341] e1000: Intel(R) PRO/1000 Network Driver [ 4.909343] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.909431] e1000e: Intel(R) PRO/1000 Network Driver [ 4.909433] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.909551] sky2: driver version 1.30 [ 4.909895] usbcore: registered new interface driver r8152 [ 4.910418] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.910445] ehci-pci: EHCI PCI platform driver [ 4.910567] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.910594] ohci-pci: OHCI PCI platform driver [ 4.910682] uhci_hcd: USB Universal Host Controller Interface driver [ 4.911390] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.912462] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.913462] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.914922] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.914994] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.917594] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.917616] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.917620] usb usb1: Product: xHCI Host Controller [ 4.917626] usb usb1: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.917632] usb usb1: SerialNumber: 0000:00:14.0 [ 4.919739] hub 1-0:1.0: USB hub found [ 4.919931] hub 1-0:1.0: 12 ports detected [ 4.924697] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.925241] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.925258] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.925775] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.925787] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.925793] usb usb2: Product: xHCI Host Controller [ 4.925798] usb usb2: Manufacturer: Linux 5.10.126-cip11 xhci-hcd [ 4.925803] usb usb2: SerialNumber: 0000:00:14.0 [ 4.927431] hub 2-0:1.0: USB hub found [ 4.927601] hub 2-0:1.0: 6 ports detected [ 4.930332] usbcore: registered new interface driver usblp [ 4.930444] usbcore: registered new interface driver usb-storage [ 4.931035] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.931188] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.931192] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.931968] i8042: Warning: Keylock active [ 4.932215] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.934852] rtc_cmos 00:02: RTC can wake from S4 [ 4.935082] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.937856] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.939718] rtc_cmos 00:02: registered as rtc0 [ 4.939965] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.941335] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.941385] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.942684] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.944183] Console: switching to colour frame buffer device 240x67 [ 4.944645] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.944697] intel_pstate: Intel P-state driver initializing [ 4.946167] intel_pstate: HWP enabled [ 4.946200] sdhci: Secure Digital Host Controller Interface driver [ 4.946201] sdhci: Copyright(c) Pierre Ossman [ 4.946231] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.947194] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.947351] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.948605] hid: raw HID events driver (C) Jiri Kosina [ 4.949050] usbcore: registered new interface driver usbhid [ 4.949051] usbhid: USB HID core driver [ 4.949407] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.954018] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.954685] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.955241] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.955559] gre: GRE over IPv4 demultiplexor driver [ 4.955561] ip_gre: GRE over IPv4 tunneling driver [ 4.956320] IPv4 over IPsec tunneling driver [ 4.956593] Initializing XFRM netlink socket [ 4.957081] NET: Registered protocol family 10 [ 4.957950] Segment Routing with IPv6 [ 4.958578] ip6_gre: GRE over IPv6 tunneling driver [ 4.958846] NET: Registered protocol family 17 [ 4.958960] Key type dns_resolver registered [ 4.959423] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.973336] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 4.980040] microcode: Microcode Update Driver: v2.2. [ 4.980048] IPI shorthand broadcast: enabled [ 4.980083] sched_clock: Marking stable (4892497248, 86982117)->(5010667170, -31187805) [ 4.980364] registered taskstats version 1 [ 4.985685] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.991764] Loading compiled-in X.509 certificates [ 5.004778] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.011770] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.052025] 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 [ 5.059883] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.143276] mmc0: new HS400 MMC card at address 0001 [ 5.148209] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.155645] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.163178] PM: Magic number: 14:838:1000 [ 5.171589] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.179462] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.179582] rtc_cmos 00:02: hash matches [ 5.184997] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.390886] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.404353] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.410848] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.457284] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.643100] printk: console [netcon0] enabled [ 5.643125] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.647990] netconsole: network logging started [ 5.666972] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.674588] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.678106] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.678514] IP-Config: Failed to open gretap0 [ 5.678524] IP-Config: Failed to open erspan0 [ 5.678525] IP-Config: No network devices available [ 5.678537] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.681676] modprobe (103) used greatest stack depth: 14208 bytes left [ 5.683745] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.683957] modprobe (104) used greatest stack depth: 14120 bytes left [ 5.684533] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.684634] ALSA device list: [ 5.684638] No soundcards found. [ 5.684862] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.684875] cfg80211: failed to load regulatory.db [ 5.767794] usb 2-3: Product: USB 10/100/1000 LAN [ 5.767795] usb 2-3: Manufacturer: Realtek [ 5.767797] usb 2-3: SerialNumber: 001000001 [ 5.770228] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.790692] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.800270] Freeing unused kernel image (initmem) memory: 1688K [ 5.816793] Write protecting the kernel read-only data: 26624k [ 5.820535] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.831639] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.839342] Freeing unused kernel image (rodata/data gap) memory: 152K [ 5.846689] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 5.865925] systemd-udevd (125) used greatest stack depth: 13800 bytes left [ 5.912415] udevadm (127) used greatest stack depth: 13576 bytes left [ 5.984799] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.993962] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.001950] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.007314] usb 1-9: Manufacturer: Azurewave [ 6.012092] usb 1-9: SerialNumber: 0x0001 [ 6.021898] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.048122] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.057193] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.075129] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.085908] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.100125] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 6.110713] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.121640] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.131955] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.143351] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.150591] r8152 2-3:1.0 eth0: v1.11.11 [ 6.158454] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.171217] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.175343] r8152 2-3:1.0 enx00e04c680498: renamed from eth0 [ 6.183310] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.196071] 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: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address 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 [ 7.750984] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680498: link becomes ready [ 7.759534] r8152 2-3:1.0 enx00e04c680498: carrier on IP-Config: no response after 2 secs - giving up IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address 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: enx00e04c680498 complete (dhcp from 192.168.201.1): address: 192.168.201.14 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 : lab-rack-1 rootserver: 192.168.201.1 rootpath: filename : [ 8.343979] nfsmount (165) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.459652] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.496958] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.531267] systemd[1]: Set hostname to . [ 10.058926] systemd[1]: Queued start job for default target Graphical Interface. [ 10.070839] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.087303] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.103276] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.120202] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.136119] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.155078] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.176781] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.199889] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.215782] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.226767] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.242841] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.253754] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.265097] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.282892] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.300853] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.317764] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.334386] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.353684] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.370639] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.389263] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.406888] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.424588] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.441234] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.465028] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.485057] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.503278] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.521403] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.537710] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.551597] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.567104] fuse: init (API version 7.32) [ 10.568246] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.585713] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.603950] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.620367] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.636959] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.652838] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.667746] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.684558] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.704501] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.711439] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.728242] systemd[1]: modprobe@drm.service: Succeeded. [ 10.734723] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 10.750220] systemd[1]: modprobe@fuse.service: Succeeded. [ 10.756794] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 10.772253] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 10.787295] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 10.806816] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 10.821323] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 10.841773] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 10.851463] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 10.863499] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 10.878294] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 10.893595] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 10.906527] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[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. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [ 10.991497] systemd-journald[202]: Received client request to flush runtime journal. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[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;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[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. [ 13.775428] e2scrub_all (255) used greatest stack depth: 12624 bytes left [[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 5.10.126-cip11 #1 SMP Tue Jul 5 19:27:32 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/6756569/extract-nfsrootfs-p0hj7ilx' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6756569/extract-nfsrootfs-p0hj7ilx' / # 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-6756569/environment . /lava-6756569/environment / # /lava-6756569/bin/lava-test-runner /lava-6756569/0 /lava-6756569/bin/lava-test-runner /lava-6756569/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6756569/0/tests/0_timesync-off ++ cat uuid + UUID=6756569_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-6756569/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6756569_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.126-cip11-1-gc5218dc69ff1/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-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6756569/0/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 [ 17.759137] cat (380) used greatest stack depth: 12528 bytes left Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-05 19:59:40-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.126-cip11-1-gc5218dc69ff1/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: 3496428 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 178KB/s kselftest.tar.xz 6%[> ] 219.84K 389KB/s kselftest.tar.xz 23%[===> ] 808.57K 902KB/s kselftest.tar.xz 59%[==========> ] 1.99M 1.76MB/s kselftest.tar.xz 92%[=================> ] 3.09M 2.32MB/s kselftest.tar.xz 100%[===================>] 3.33M 2.31MB/s in 1.4s 2022-07-05 19:59:42 (2.31 MB/s) - 'kselftest.tar.xz' saved [3496428/3496428] 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 ======================================== [ 44.600842] 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 [ 44.756381] lkdtm: Performing direct entry BUG [ 44.761432] ------------[ cut here ]------------ [ 44.766610] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 44.772472] invalid opcode: 0000 [#1] SMP PTI [ 44.777338] CPU: 2 PID: 724 Comm: cat Not tainted 5.10.126-cip11 #1 [ 44.784338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.791148] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.795532] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 44.816518] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 44.822353] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.830325] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 44.838286] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 44.846259] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.854230] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 44.862202] FS: 00007f90efd2f580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 44.871241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.877659] CR2: 00007f90efb48000 CR3: 0000000105526005 CR4: 00000000003706e0 [ 44.885619] Call Trace: [ 44.888347] direct_entry.cold+0x2c/0x38 [ 44.892726] full_proxy_write+0x56/0x80 [ 44.897008] vfs_write+0xea/0x390 [ 44.900706] ksys_write+0x68/0xe0 [ 44.904405] do_syscall_64+0x33/0x40 [ 44.908395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.914033] RIP: 0033:0x7f90efc57f33 [ 44.918022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.939008] RSP: 002b:00007fff20523c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.947464] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f90efc57f33 [ 44.955434] RDX: 0000000000000004 RSI: 00007f90efb48000 RDI: 0000000000000001 [ 44.963405] RBP: 00007f90efb48000 R08: 00007f90efb47010 R09: 0000000000000000 [ 44.971376] R10: 00007f90efd521c0 R11: 0000000000000246 R12: 0000000000000001 [ 44.979347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.987318] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.013774] ---[ end trace 887145289f1cd348 ]--- [ 45.018961] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.023347] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 45.044344] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 45.050187] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.058158] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 45.066133] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 45.074104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.082077] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 45.090085] FS: 00007f90efd2f580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 45.099155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.105600] CR2: 00007f90efb48000 CR3: 0000000105526005 CR4: 00000000003706e0 # Segmentation fault # [ 44.756381] lkdtm: Performing direct entry BUG # [ 44.761432] ------------[ cut here ]------------ # [ 44.766610] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 44.772472] invalid opcode: 0000 [#1] SMP PTI # [ 44.777338] CPU: 2 PID: 724 Comm: cat Not tainted 5.10.126-cip11 #1 # [ 44.784338] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.791148] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.795532] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 [ 45.176418] lkdtm: Performing direct entry WARNING 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 44.816518[ 45.187361] ------------[ cut here ]------------ ] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 44.822353] [ 45.198738] WARNING: CPU: 1 PID: 760 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 000000000000000[ 45.214271] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # [ 44.830325] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 [ 45.246915] CPU: 1 PID: 760 Comm: cat Tainted: G D 5.10.126-cip11 #1 RDI: ffffffff8b8d9a70 # [ 44.838286] RBP: ffffffff8bd1b490 R0[ 45.261688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8: 0000000000000001 R09: 0000000000000001 # [ 44.846259] R10:[ 45.274714] RIP: 0010:lkdtm_WARNING+0xf/0x20 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 45.285699] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 44.854230] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15:[ 45.312904] RSP: 0018:ffffa5ea8149fe60 EFLAGS: 00010202 ffff9fe0040d9000 # [ 44.862202] FS: 00007f90efd2f580(0000) [ 45.324956] RAX: ffffffff8acb1f80 RBX: 0000000000000002 RCX: 0000000000000000 GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 44.87124[ 45.339143] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffffffff8b8d9a80 1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.8[ 45.353329] RBP: ffffffff8bcc007f R08: 0000000000000000 R09: 0000000000000000 77659] CR2: 00007f90efb48000 CR3: 0000000105526005 CR4: 00000000[ 45.367517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 003706e0 # [ 44.885619] Call Trace: # [ 44.888347] direct[ 45.381701] R13: ffffa5ea8149ff10 R14: ffffa5ea8149ff10 R15: ffff9fe00339f000 _entry.cold+0x2c/0x38 # [ 44.892726] full_proxy_write+0x56/0[ 45.395888] FS: 00007f37f2e6d580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 x80 # [ 44.897008] vfs_write+0xea/0x390 # [ 44.900706] k[ 45.411143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sys_write+0x68/0xe0 # [ 44.904405] do_syscall_64+0x33/0x40 [ 45.423777] CR2: 00007f37f2c86000 CR3: 0000000103412001 CR4: 00000000003706e0 # [ 44.908395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 45.437963] Call Trace: 44.914033] RIP: 0033:0x7f90efc57f33 # [ 44.918022] Code: 8b[ 45.446911] direct_entry.cold+0x2c/0x38 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 45.457520] full_proxy_write+0x56/0x80 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 45.468012] vfs_write+0xea/0x390 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 45.477926] ksys_write+0x68/0xe0 # [ 44.939008] RSP: 002b:00007fff20523c58 EFLAGS: 00000246 OR[ 45.487840] do_syscall_64+0x33/0x40 IG_RAX: 0000000000000001 # [ 44.947464] RAX: ffffffffffffffda[ 45.498046] entry_SYSCALL_64_after_hwframe+0x44/0xa9 RBX: 0000000000000004 RCX: 00007f90efc57f33 # [ 44.955434] R[ 45.509901] RIP: 0033:0x7f37f2d95f33 DX: 0000000000000004 RSI: 00007f90efb48000 RDI: 0000000000000001[ 45.520105] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.963405] RBP: 00007f90efb48000 R08: 00007f90efb47010 R[ 45.547304] RSP: 002b:00007fffb3f125e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 09: 0000000000000000 # [ 44.971376] R10: 00007f90efd521c0 R11[ 45.561976] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f37f2d95f33 : 0000000000000246 R12: 0000000000000001 # [ 44.979347] R13: [ 45.576163] RDX: 0000000000000008 RSI: 00007f37f2c86000 RDI: 0000000000000001 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.590353] RBP: 00007f37f2c86000 R08: 00007f37f2c85010 R09: 0000000000000000 [ 44.987318] Modules linked in: fuse ip_tables cros_ec_sensors[ 45.604562] R10: 00007f37f2e901c0 R11: 0000000000000246 R12: 0000000000000001 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 45.618749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dustrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_[ 45.632937] irq event stamp: 0 ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cro[ 45.642567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_usbpd_notify # [ 45.013774] ---[ end trace 887145289f1cd348[ 45.655785] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ]--- # [ 45.018961] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.0[ 45.671135] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 23347] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff [ 45.686503] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.699725] ---[ end trace 887145289f1cd349 ]--- ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 45.044344] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 45.050187] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.058158] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 45.066133] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 45.074104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.082077] R13: ffffa5ea8147[ 45.756981] lkdtm: Performing direct entry WARNING_MESSAGE [ 45.766941] ------------[ cut here ]------------ [ 45.772101] Warning message trigger count: 2 [ 45.776933] WARNING: CPU: 3 PID: 795 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 7f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 45.09008[ 45.787142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.819777] CPU: 3 PID: 795 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 45.828360] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5] FS: 00007f90efd2f580(0000) GS:ffff9fe07ad00000(0000) knlGS:0[ 45.835171] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 45.847020] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 cc 8b 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 000000000000000 # [ 45.099155] CS: 0010 DS: 0000 ES: 0000 CR[ 45.868012] RSP: 0018:ffffa5ea815a7e60 EFLAGS: 00010286 [ 45.880063] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 45.888037] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 45.896008] RBP: ffffffff8bcc0087 R08: 0000000000000000 R09: 0000000000000000 [ 45.903978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 45.911950] R13: ffffa5ea815a7f10 R14: ffffa5ea815a7f10 R15: ffff9fe004a2a000 [ 45.919921] FS: 00007f7b84505580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 45.928951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.935368] CR2: 00007f7b8431e000 CR3: 00000001055ce005 CR4: 00000000003706e0 [ 45.943340] Call Trace: [ 45.946072] direct_entry.cold+0x2c/0x38 [ 45.950484] full_proxy_write+0x56/0x80 [ 45.954798] vfs_write+0xea/0x390 0: 0000000080050033 # [ 45.105600] CR2: 00007f90efb48000 CR3:[ 45.958514] ksys_write+0x68/0xe0 [ 45.968430] do_syscall_64+0x33/0x40 [ 45.972421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.978062] RIP: 0033:0x7f7b8442df33 [ 45.982051] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.003032] RSP: 002b:00007ffc2469aa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.011488] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7b8442df33 [ 46.019460] RDX: 0000000000000010 RSI: 00007f7b8431e000 RDI: 0000000000000001 [ 46.027431] RBP: 00007f7b8431e000 R08: 00007f7b8431d010 R09: 0000000000000000 [ 46.035402] R10: 00007f7b845281c0 R11: 0000000000000246 R12: 0000000000000001 [ 46.043373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.051338] irq event stamp: 0 [ 46.054747] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.061749] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 46.070887] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 46.080024] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.087016] ---[ end trace 887145289f1cd34a ]--- 0000000105526005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 45.176418] lkdtm: Performing direct entry WARNING # [ 45.187361] ------------[ cut here ]------------ # [ 45.198738] WARNING: CPU: 1 PID: 760 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 45.214271] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_[ 46.143450] lkdtm: Performing direct entry EXCEPTION temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.246915] CPU[ 46.153714] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 46.167681] #PF: supervisor write access in kernel mode [ 46.173512] #PF: error_code(0x0002) - not-present page [ 46.179247] PGD 0 P4D 0 [ 46.182071] Oops: 0002 [#2] SMP PTI [ 46.185963] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 46.194515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.201322] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 : 1 PID: 760 Comm: cat Tainted: G D 5.10.126-cip1[ 46.206283] Code: 48 c7 c7 e0 05 cc 8b 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 46.233482] RSP: 0018:ffffa5ea81617e60 EFLAGS: 00010282 [ 46.239339] RAX: ffffffff8acb1fd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 46.247307] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffffffff8b8d9aa0 [ 46.255279] RBP: ffffffff8bbf5c97 R08: 0000000000000000 R09: 0000000000000000 [ 46.263246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 46.271214] R13: ffffa5ea81617f10 R14: ffffa5ea81617f10 R15: ffff9fe0026c9000 [ 46.279185] FS: 00007f56a5797580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 46.288221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.294635] CR2: 0000000000000000 CR3: 0000000105ce4003 CR4: 00000000003706e0 [ 46.302604] Call Trace: 1 #1 # [ 45.261688] Hardware name: Google Rammus/Rammus, BIOS[ 46.305337] direct_entry.cold+0x2c/0x38 09/04/2020 # [ 45.274714] RIP: 0010:lkdtm_WARNING+0xf/0x20[ 46.315932] full_proxy_write+0x56/0x80 [ 46.326430] vfs_write+0xea/0x390 # [ 45.285699] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 4[ 46.330128] ksys_write+0x68/0xe0 [ 46.340037] do_syscall_64+0x33/0x40 [ 46.344025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.349662] RIP: 0033:0x7f56a56bff33 [ 46.353648] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.374625] RSP: 002b:00007ffed4e13208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.383077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f56a56bff33 [ 46.391045] RDX: 000000000000000a RSI: 00007f56a55b0000 RDI: 0000000000000001 [ 46.399012] RBP: 00007f56a55b0000 R08: 00007f56a55af010 R09: 0000000000000000 [ 46.406979] R10: 00007f56a57ba1c0 R11: 0000000000000246 R12: 0000000000000001 [ 46.414947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0[ 46.422917] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.455563] CR2: 0000000000000000 [ 46.459258] ---[ end trace 887145289f1cd34b ]--- [ 46.464411] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.468788] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 46.489765] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 46.495597] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.503565] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 46.511533] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 46.519512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.527479] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 46.535446] FS: 00007f56a5797580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 46.544480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.550894] CR2: 0000000000000000 CR3: 0000000105ce4003 CR4: 00000000003706e0 [ 46.558862] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 46.568763] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 827, name: cat [ 46.577119] INFO: lockdep is turned off. [ 46.581512] irq event stamp: 0 [ 46.584917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.591915] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 46.601047] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 46.610181] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.617177] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 46.625726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.632528] Call Trace: [ 46.635254] dump_stack+0x77/0x97 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 0[ 46.638952] ___might_sleep.cold+0xa6/0xb6 [ 46.649733] exit_signals+0x1c/0x2d0 [ 46.653722] do_exit+0xd5/0xb00 [ 46.657215] ? ksys_write+0x68/0xe0 [ 46.661097] rewind_stack_do_exit+0x17/0x20 [ 46.665754] RIP: 0033:0x7f56a56bff33 [ 46.669742] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.690720] RSP: 002b:00007ffed4e13208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.699163] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f56a56bff33 [ 46.707131] RDX: 000000000000000a RSI: 00007f56a55b0000 RDI: 0000000000000001 [ 46.715097] RBP: 00007f56a55b0000 R08: 00007f56a55af010 R09: 0000000000000000 [ 46.723064] R10: 00007f56a57ba1c0 R11: 0000000000000246 R12: 0000000000000001 [ 46.731031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 0f 1f 00 0f 1f 44 00 00 # [ 45.312904] RSP: 0018:ffffa5ea8149fe60 EFLAGS: 00010202 # [ 45.324956] RAX: ffffffff8acb1f80 RBX: 0000000000000002 RCX: 0000000000000000 # [ 45.339143] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffffffff8b8d9a80 # [ 45.353329] RBP: ffffffff8bcc007f R08: 0000000000000000 R09: 0000000000000000 # [ 45.367517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 45.381701] R13: ffffa5ea8149ff10 R14: ffffa5ea8149ff10 R15: ffff9fe00339f000 # [ 45.395888] FS: 00007f37f2e6d580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 45.411143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.423777] CR2: 00007f37f2c86000 CR3: 0000000103412001 CR4: 00000000003706e0 # [ 45.437963] Call Trace: # [ 45.446911] direct_entry.cold+0x2c/0x38 # [ 45.457520] full_proxy_write+0x56/0x80 # [ 45.468012] vfs_write+0xea/0x390 # [ 45.477926] ksys_write+0x68/0xe0 # [ 45.487840] do_syscall_64+0x33/0x40 # [ 45.498046] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 45.509901] RIP: 0033:0x7f37f2d95f33 # [ 45.520105] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.547304] RSP: 002b:00007fffb3f125e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.561976] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f37f2d95f33 # [ 45.576163] RDX: 0000000000000008 RSI: 00007f37f2c86000 RDI: 0000000000000001 # [ 45.590353] RBP: 00007f37f2c86000 R08: 00007f37f2c85010 R09: 0000000000000000 # [ 45.604562] R10: 00007f37f2e901c0 R11: 0000000000000246 R12: 0000000000000001 # [ 45.618749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.632937] irq eve[ 46.918121] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 46.925465] lkdtm: attempting good list addition [ 46.930653] lkdtm: attempting corrupted list addition [ 46.936295] lkdtm: list_add() corruption not detected! nt stamp: 0 # [ 45.642567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.655785] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 45.671135] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 45.686503] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.699725] ---[ end trace 887145289f1cd349 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 45.756981] lkdtm: Performing direct entry WARNING_MESSAGE # [ 45.766941] ------------[ cut here ]------------ # [ [ 46.998769] lkdtm: Performing direct entry CORRUPT_LIST_DEL 45.772101] Warning message trigger count: 2 # [ 45.776933] WA[ 47.010464] lkdtm: attempting good list removal RNING: CPU: 3 PID: 795 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WAR[ 47.021765] lkdtm: attempting corrupted list removal NING_MESSAGE+0x20/0x30 # [ 45.787142] Modules linked in: fuse[ 47.033507] lkdtm: list_del() corruption not detected! ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.819777] CPU: 3 PID: 795 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 45.828360] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.835171] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.847020] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 cc 8b 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 45.868012] RSP: 0018:ffffa5ea815a7e60 EFLAGS: 00010286 # [ 45.880063] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 45.888037] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 45.896008] RBP: ffffffff8bcc0087 R08: 0000000000000000 R09: 0000000000000000 # [ 45.903978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 45.911950] R13: ffffa5ea815a7f10 R14: ffffa5ea815a7f10 R15: ffff9fe004a2a000 # [ 45.919921] FS: 00007f7b84505580(0000) GS:ffff9fe07ad8[ 47.159463] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 47.170544] lkdtm: attempting bad read from page below current stack [ 47.177665] BUG: stack guard page was hit at 0000000001e228f8 (stack is 00000000df3b8c19..00000000d57ea651) [ 47.188559] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 47.195366] CPU: 2 PID: 1052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 47.204017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.210823] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 47.217335] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 cc 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 cc 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 47.238318] RSP: 0018:ffffa5ea8193fe50 EFLAGS: 00010246 [ 47.244150] RAX: 0000000000000038 RBX: ffffa5ea8193c000 RCX: 0000000000000000 [ 47.252121] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8bcc09c0 [ 47.260091] RBP: ffffffff8bcc00ea R08: 0000000000000000 R09: 0000000000000000 [ 47.268058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 47.276029] R13: ffffa5ea8193ff10 R14: ffffa5ea8193ff10 R15: ffff9fe0035dc000 [ 47.283999] FS: 00007fd0c628c580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 47.293037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.299453] CR2: ffffa5ea8193bfff CR3: 0000000103472002 CR4: 00000000003706e0 [ 47.307423] Call Trace: [ 47.310150] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 47.315208] direct_entry.cold+0x2c/0x38 [ 47.319587] full_proxy_write+0x56/0x80 [ 47.323867] vfs_write+0xea/0x390 [ 47.327565] ksys_write+0x68/0xe0 [ 47.331255] do_syscall_64+0x33/0x40 [ 47.335244] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.340883] RIP: 0033:0x7fd0c61b4f33 [ 47.344871] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.365857] RSP: 002b:00007ffedf2e0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.374312] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd0c61b4f33 [ 47.382281] RDX: 0000000000000019 RSI: 00007fd0c60a5000 RDI: 0000000000000001 [ 47.390251] RBP: 00007fd0c60a5000 R08: 00007fd0c60a4010 R09: 0000000000000000 [ 47.398221] R10: 00007fd0c62af1c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.406192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.414166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000(0000) knlGS:0000000000000000 # [ 45.928951] CS: 0010 DS[ 47.440618] ---[ end trace 887145289f1cd34c ]--- [ 47.451984] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.456359] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 47.477340] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 47.483170] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.491140] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 47.499108] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 47.507075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.515043] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 47.523010] FS: 00007fd0c628c580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 47.532047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.538462] CR2: ffffa5ea8193bfff CR3: 0000000103472002 CR4: 00000000003706e0 : 0000 ES: 0000 CR0: 0000000080050033 # [ 45.935368] CR2: 00007f7b8431e000 CR3: 00000001055ce005 CR4: 00000000003706e0 # [ 45.943340] Call Trace: # [ 45.946072] direct_entry.cold+0x2c/0x38 # [ 45.950484] full_proxy_write+0x56/0x80 # [ 45.954798] vfs_write+0xea/0x390 # [ 45.958514] ksys_write+0x68/0xe0 # [ 45.968430] do_syscall_64+0x33/0x40 # [ 45.972421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 45.978062] RIP: 0033:0x7f7b8442df33 # [ 45.982051] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.003032] RSP: 002b:00007ffc2469aa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.011488] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7b8442df33 # [ 46.019460] RDX: 0000000000000010 RSI: 00007f7b8431e000 RDI: 0000000000000001 # [ 46.0274[ 47.634855] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 47.646802] lkdtm: attempting bad read from page above current stack [ 47.653911] BUG: stack guard page was hit at 0000000031409b23 (stack is 0000000018c2c5d1..00000000c405d65d) [ 47.664803] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 47.671609] CPU: 3 PID: 1085 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 47.680252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.687061] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 47.693672] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 cc 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a cc 8b <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 47.714647] RSP: 0018:ffffa5ea819b7e50 EFLAGS: 00010246 [ 47.720480] RAX: 0000000000000038 RBX: ffffa5ea819b4000 RCX: 0000000000000000 [ 47.728447] RDX: 0000000000000000 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc0a38 [ 47.736415] RBP: ffffffff8bcc0103 R08: 0000000000000000 R09: 0000000000000000 [ 47.744384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 47.752353] R13: ffffa5ea819b7f10 R14: ffffa5ea819b7f10 R15: ffff9fe00548b000 [ 47.760324] FS: 00007fa148473580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 47.769354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.775768] CR2: ffffa5ea819b8000 CR3: 0000000105d82004 CR4: 00000000003706e0 [ 47.783738] Call Trace: [ 47.786466] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 47.792299] direct_entry.cold+0x2c/0x38 [ 47.796684] full_proxy_write+0x56/0x80 [ 47.800966] vfs_write+0xea/0x390 [ 47.804664] ksys_write+0x68/0xe0 [ 47.808361] do_syscall_64+0x33/0x40 [ 47.812350] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.817989] RIP: 0033:0x7fa14839bf33 [ 47.821975] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.842957] RSP: 002b:00007fff82481fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.851413] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa14839bf33 [ 47.859381] RDX: 000000000000001a RSI: 00007fa14828c000 RDI: 0000000000000001 [ 47.867349] RBP: 00007fa14828c000 R08: 00007fa14828b010 R09: 0000000000000000 [ 47.875317] R10: 00007fa1484961c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.883283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.891255] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 31] RBP: 00007f7b8431e000 R08: 00007f7b8431d010 R09: 00000000000[ 47.917708] ---[ end trace 887145289f1cd34d ]--- [ 47.929073] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.933448] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 47.954425] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 47.960255] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.968223] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 47.976190] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 47.984156] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.992124] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 48.000093] FS: 00007fa148473580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 48.009128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.015542] CR2: ffffa5ea819b8000 CR3: 0000000105d82004 CR4: 00000000003706e0 [ 48.023513] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 48.033423] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1085, name: cat [ 48.041875] INFO: lockdep is turned off. [ 48.046249] irq event stamp: 0 [ 48.049654] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.056653] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.065786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.074920] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.081916] CPU: 3 PID: 1085 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 48.090563] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.097364] Call Trace: [ 48.100098] dump_stack+0x77/0x97 00000 # [ 46.035402] R10: 00007f7b845281c0 R11: 0000000000000[ 48.103796] ___might_sleep.cold+0xa6/0xb6 [ 48.114578] exit_signals+0x1c/0x2d0 [ 48.118565] do_exit+0xd5/0xb00 [ 48.122065] ? ksys_write+0x68/0xe0 [ 48.125956] rewind_stack_do_exit+0x17/0x20 [ 48.130614] RIP: 0033:0x7fa14839bf33 [ 48.134601] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.155579] RSP: 002b:00007fff82481fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.164032] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa14839bf33 [ 48.171999] RDX: 000000000000001a RSI: 00007fa14828c000 RDI: 0000000000000001 [ 48.179965] RBP: 00007fa14828c000 R08: 00007fa14828b010 R09: 0000000000000000 [ 48.187931] R10: 00007fa1484961c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.195898] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 246 R12: 0000000000000001 # [ 46.043373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.051338] irq event stamp: 0 # [ 46.054747] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.061749] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 46.070887] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 46.080024] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.087016] ---[ end trace 887145289f1cd34a ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selfte[ 48.263987] lkdtm: Performing direct entry UNSET_SMEP [ 48.271703] lkdtm: trying to clear SMEP normally [ 48.276873] ------------[ cut here ]------------ [ 48.282039] pinned CR4 bits changed: 0x100000!? [ 48.287128] WARNING: CPU: 3 PID: 1121 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 sts: lkdtm: EXCEPTION.sh # Killed # [ 46.143450] lkdtm: Perf[ 48.297342] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.329972] CPU: 3 PID: 1121 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 48.338624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.345430] RIP: 0010:native_write_cr4+0x41/0x60 [ 48.350586] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb bf 8b c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 48.371576] RSP: 0018:ffffa5ea81a57e48 EFLAGS: 00010286 [ 48.377412] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 48.385383] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 48.393356] RBP: ffffffff8bcc011d R08: 0000000000000000 R09: 0000000000000000 [ 48.401326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 48.409299] R13: ffffa5ea81a57f10 R14: ffffa5ea81a57f10 R15: ffff9fe0033aa000 [ 48.417269] FS: 00007f4d279fc580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 48.426309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.432727] CR2: 00007f4d27815000 CR3: 000000010567a004 CR4: 00000000003706e0 [ 48.440699] Call Trace: [ 48.443430] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 48.448328] direct_entry.cold+0x2c/0x38 [ 48.452739] full_proxy_write+0x56/0x80 [ 48.457025] vfs_write+0xea/0x390 [ 48.460754] ksys_write+0x68/0xe0 orming direct entry EXCEPTION # [ 46.153714] BUG: kernel NULL[ 48.464457] do_syscall_64+0x33/0x40 pointer dereference, address: 0000000000000000 # [ 46.167681[ 48.474664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] #PF: supervisor write access in kernel mode # [ 46.173512] [ 48.486521] RIP: 0033:0x7f4d27924f33 [ 48.496729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #PF: error_code(0x0002) - not-present page # [ 46.179247] PGD[ 48.517710] RSP: 002b:00007fff2c195588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 P4D 0 # [ 46.182071] Oops: 0002 [#2] SMP PTI # [ 46.18[ 48.532382] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4d27924f33 [ 48.546573] RDX: 000000000000000b RSI: 00007f4d27815000 RDI: 0000000000000001 [ 48.554559] RBP: 00007f4d27815000 R08: 00007f4d27814010 R09: 0000000000000000 [ 48.562565] R10: 00007f4d27a1f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.570550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.578573] irq event stamp: 0 [ 48.582012] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.589039] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.598178] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.607316] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.614315] ---[ end trace 887145289f1cd34e ]--- [ 48.619469] lkdtm: ok: SMEP did not get cleared [ 48.624528] lkdtm: trying to clear SMEP with call gadget [ 48.630459] lkdtm: ok: SMEP removal was reverted 5963] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 46.194515] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.201322] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 46.206283] Code: 48 c7 c7 e0 05 cc 8b 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 46.233482] RSP: 0018:ffffa5ea81617e60 EFLAGS: 00010282 # [ 46.239339] RAX: ffffffff8acb1fd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 46.247307] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffffff[ 48.691500] lkdtm: Performing direct entry DOUBLE_FAULT ff8b8d9aa0 # [ 46.255279] RBP: ffffffff8bbf5c97 R08: 00000000[ 48.703641] lkdtm: XFAIL: this test is ia32-only 00000000 R09: 0000000000000000 # [ 46.263246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 46.271214] R13: ffffa5ea81617f10 R14: ffffa5ea81617f10 R15: ffff9fe0026c9000 # [ 46.279185] FS: 00007f56a5797580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 46.288221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.294635] CR2: 0000000000000000 CR3: 0000000105ce4003 CR4: 00000000003706e0 # [ 46.302604] Call Trace: # [ 46.305337] direct_entry.cold+0x2c/0x38 # [ 46.315932] full_proxy_write+0x56/0x80 # [ [ 48.769750] lkdtm: Performing direct entry CORRUPT_PAC [ 48.776680] lkdtm: XFAIL: this test is arm64-only 46.326430] vfs_write+0xea/0x390 # [ 46.330128] ksys_write+0x68/0xe0 # [ 46.340037] do_syscall_64+0x33/0x40 # [ 46.344025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 46.349662] RIP: 0033:0x7f56a56bff33 # [ 46.353648] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.374625] RSP: 002b:00007ffed4e13208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.383077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f56a56bff33 # [ 46.391045] RDX: 000000000000000a RSI: 00007f56a55b0000 RDI: 0000000000000001 # [ 46.399012] RBP: 00007f56a55b0000 R08: 00007f56a55af010 R09: 0000000000000000 # [ 46.406979] R10: 00007f56a57ba1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 46.414947] R13: 00000000000[ 48.866310] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 48.876203] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.422917] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.455563] CR2: 0000000000000000 # [ 46.459258] ---[ end trace 887145289f1cd34b ]--- # [ 46.464411] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.468788] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 46.489765] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 46.495597] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.503565] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 46.511533] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 46.519512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.527479] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 46.535446] FS: 00007f56a5797580(0000) GS:f[ 49.000611] lkdtm: Performing direct entry READ_AFTER_FREE fff9fe07ac80000(0000) knlGS:0000000000000000 # [ 46.544480] C[ 49.008064] lkdtm: Value in memory before free: 12345678 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.55089[ 49.020208] lkdtm: Attempting bad read from freed memory [ 49.032354] lkdtm: Memory was not poisoned 4] CR2: 0000000000000000 CR3: 0000000105ce4003 CR4: 00000000003706e0 # [ 46.558862] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.568763] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 827, name: cat # [ 46.577119] INFO: lockdep is turned off. # [ 46.581512] irq event stamp: 0 # [ 46.584917] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.591915] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 46.601047] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 46.610181] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.617177] CPU: 1 PID: 827 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 46.625726] Hardware name: Google Rammus/Rammus, BI[ 49.114695] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE OS 09/04/2020 # [ 46.632528] Call Trace: # [ 46.635254] [ 49.124457] lkdtm: Value in memory before free: 12345678 dump_stack+0x77/0x97 # [ 46.638952] ___might_sleep.cold+0xa6[ 49.136613] lkdtm: Attempting to read from freed memory /0xb6 # [ 46.649733] exit_signals+0x1c/0x2d0 # [ 46.65372[ 49.148707] lkdtm: Buddy page was not poisoned 2] do_exit+0xd5/0xb00 # [ 46.657215] ? ksys_write+0x68/0xe0 # [ 46.661097] rewind_stack_do_exit+0x17/0x20 # [ 46.665754] RIP: 0033:0x7f56a56bff33 # [ 46.669742] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.690720] RSP: 002b:00007ffed4e13208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.699163] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f56a56bff33 # [ 46.707131] RDX: 000000000000000a RSI: 00007f56a55b0000 RDI: 0000000000000001 # [ [ 49.219098] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 49.228193] lkdtm: Attempting double slab free ... 46.715097] RBP: 00007f56a55b0000 R08: 00007f56a55af010 R09: 0000000000000000 # [ 46.723064] R10: 00007f56a57ba1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 46.731031] 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: l[ 49.287914] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 49.295672] lkdtm: Attempting cross-cache slab free ... kdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 46.918121] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 46.925465] lkdtm: attempting good list addition # [ 46.930653] lkdtm: attempting corrupted list addition # [ 46.936295] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL][ 49.358523] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 49.369697] lkdtm: Attempting non-Slab slab free ... not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 46.998769] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 47.010464] lkdtm: attempting good list removal # [ 47.021765] lkdtm: attempting corrupted list removal # [ 47.033507] 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 # [ 47.159463] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 47.170544] lkdtm: attempting bad read from page below current stack # [ 47.177665] BUG: stack guard page was hit at 0000000001e228f8 (stack is 00000000df3b8c19..00000000d57ea651) # [ 47.188559] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 47.195366] CPU: 2 PID: 1052 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 47.204017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.210823] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 47.217335] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 cc 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 cc 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 47.238318] RSP: 0018:ffffa5ea8193fe50 EFLAGS: 00010246 # [ 47.244150] RAX: 0000000000000038 RBX: ffffa5ea8193c000 RCX: 0000000000000000 # [ 47.252121] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8bcc09c0 # [ 47.260091] RBP: ffffffff8bcc00ea R08: 0000000000000000 R09: 0000000000000000 # [ 47.268058] R10: 00000000ffffe00[ 49.530984] lkdtm: Performing direct entry EXEC_DATA 0 R11: 3fffffffffffffff R12: 0000000000000019 # [ 47.276029] [ 49.542432] lkdtm: attempting ok execution at ffffffff8acb2340 R13: ffffa5ea8193ff10 R14: ffffa5ea8193ff10 R15: ffff9fe0035dc00[ 49.555180] lkdtm: attempting bad execution at ffffffff8d3b3560 0 # [ 47.283999] FS: 00007fd0c628c580(0000) GS:ffff9fe07ad00[ 49.567995] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 49.582548] BUG: unable to handle page fault for address: ffffffff8d3b3560 [ 49.590224] #PF: supervisor instruction fetch in kernel mode [ 49.596540] #PF: error_code(0x0011) - permissions violation [ 49.602758] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 80000001730000e3 [ 49.610542] Oops: 0011 [#5] SMP PTI [ 49.614433] CPU: 0 PID: 1628 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 49.623081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.629888] RIP: 0010:data_area+0x0/0x40 [ 49.634270] Code: ff ff 00 96 7b 02 e0 9f ff ff 00 95 7b 02 e0 9f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 49.655248] RSP: 0018:ffffa5ea8221fe48 EFLAGS: 00010246 [ 49.661081] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.669049] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 49.677016] RBP: ffffffff8d3b3560 R08: 0000000000000000 R09: 0000000000000000 [ 49.684985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.692951] R13: ffffa5ea8221ff10 R14: ffffa5ea8221ff10 R15: ffff9fe0057ea000 [ 49.700922] FS: 00007fb7f1979580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 49.709958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.716373] CR2: ffffffff8d3b3560 CR3: 00000001041ee002 CR4: 00000000003706f0 [ 49.724342] Call Trace: [ 49.727071] ? execute_location+0x48/0x56 [ 49.731551] ? direct_entry.cold+0x2c/0x38 [ 49.736123] ? full_proxy_write+0x56/0x80 [ 49.740602] ? vfs_write+0xea/0x390 [ 49.744494] ? ksys_write+0x68/0xe0 [ 49.748377] ? do_syscall_64+0x33/0x40 [ 49.752560] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.758394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.784834] CR2: ffffffff8d3b3560 [ 49.788530] ---[ end trace 887145289f1cd34f ]--- [ 49.793685] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.798061] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 49.819046] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 49.824878] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.832847] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 49.840816] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 49.848784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.856751] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 49.864720] FS: 00007fb7f1979580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 49.873756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.880171] CR2: ffffffff8d3b3560 CR3: 00000001041ee002 CR4: 00000000003706f0 [ 49.888141] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.898054] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1628, name: cat [ 49.906498] INFO: lockdep is turned off. [ 49.910874] irq event stamp: 0 [ 49.914280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.921280] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.930417] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.939541] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.946538] CPU: 0 PID: 1628 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 49.955185] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.961990] Call Trace: [ 49.964718] dump_stack+0x77/0x97 [ 49.968419] ___might_sleep.cold+0xa6/0xb6 [ 49.972992] exit_signals+0x1c/0x2d0 [ 49.976981] do_exit+0xd5/0xb00 [ 49.980486] ? ksys_write+0x68/0xe0 [ 49.984378] rewind_stack_do_exit+0x17/0x20 [ 49.989046] RIP: 0033:0x7fb7f18a1f33 [ 49.993034] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.014017] RSP: 002b:00007ffec5dc6338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.022462] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7f18a1f33 [ 50.030429] RDX: 000000000000000a RSI: 00007fb7f1792000 RDI: 0000000000000001 [ 50.038399] RBP: 00007fb7f1792000 R08: 00007fb7f1791010 R09: 0000000000000000 [ 50.046367] R10: 00007fb7f199c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.054336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000(0000) knlGS:0000000000000000 # [ 47.293037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.299453] CR2: ffffa5ea8193bfff CR3: 0000000103472002 CR4: 00000000003706e0 # [ 47.307423] Call Trace: # [ 47.310150] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 47.315208] direct_entry.cold+0x2c/0x38 # [ 47.319587] full_proxy_write+0x56/0x80 # [ 47.323867] vfs_write+0xea/0x390 # [ 47.327565] ksys_write+0x68/0xe0 # [ 47.331255] do_syscall_64+0x33/0x40 # [ 47.335244] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 47.340883] RIP: 0033:0x7fd0c61b4f33 # [ 47.344871] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.365857] RSP: 002b:00007ffedf2e0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.147941] lkdtm: Performing direct entry EXEC_STACK # [ 47.374312] RAX: ffffffffffffffda RBX: 0000000000000019 RCX[ 50.154995] lkdtm: attempting ok execution at ffffffff8acb2340 : 00007fd0c61b4f33 # [ 47.382281] RDX: 0000000000000019 RSI: [ 50.167721] lkdtm: attempting bad execution at ffffa5ea82287e18 00007fd0c60a5000 RDI: 0000000000000001 # [ 47.390251] RBP: 00[ 50.180596] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 50.195153] BUG: unable to handle page fault for address: ffffa5ea82287e18 [ 50.202829] #PF: supervisor instruction fetch in kernel mode [ 50.209147] #PF: error_code(0x0011) - permissions violation [ 50.215367] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105da5067 PTE 800000010005b063 [ 50.224413] Oops: 0011 [#6] SMP PTI [ 50.228303] CPU: 0 PID: 1664 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 50.236949] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.243752] RIP: 0010:0xffffa5ea82287e18 [ 50.248127] Code: 00 00 18 7e 28 82 ea a5 ff ff b3 8d 2f 8b ff ff ff ff 20 00 00 00 00 00 00 00 46 02 cc 8b ff ff ff ff df 8e 2f 8b ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 50.269104] RSP: 0018:ffffa5ea82287df8 EFLAGS: 00010246 [ 50.274936] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.282904] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 50.290870] RBP: ffffa5ea82287e18 R08: 0000000000000000 R09: 0000000000000000 [ 50.298837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 50.306804] R13: ffffa5ea82287f10 R14: ffffa5ea82287f10 R15: ffff9fe00548f000 [ 50.314772] FS: 00007fd2e4782580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 50.323809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.330223] CR2: ffffa5ea82287e18 CR3: 00000001034ee003 CR4: 00000000003706f0 [ 50.338192] Call Trace: [ 50.340920] ? execute_location+0x48/0x56 [ 50.345399] ? lkdtm_EXEC_STACK+0x26/0x40 [ 50.349864] ? direct_entry.cold+0x2c/0x38 [ 50.354436] ? full_proxy_write+0x56/0x80 [ 50.358911] ? vfs_write+0xea/0x390 [ 50.362801] ? ksys_write+0x68/0xe0 [ 50.366693] ? do_syscall_64+0x33/0x40 [ 50.370865] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.376699] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.403130] CR2: ffffa5ea82287e18 [ 50.406827] ---[ end trace 887145289f1cd350 ]--- [ 50.411971] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.416346] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 50.437324] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 50.443156] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.451123] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 50.459091] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 50.467058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.475024] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 50.482991] FS: 00007fd2e4782580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 50.492026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.498440] CR2: ffffa5ea82287e18 CR3: 00000001034ee003 CR4: 00000000003706f0 007fd0c60a5000 R08: 00007fd0c60a4010 R09: 0000000000000000 # [ 47.398221] R10: 00007fd0c62af1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.406192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.414166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.440618] ---[ end trace 887145289f1cd34c ]--- # [ 47.451984] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.456359] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 47.477340] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 47.483170] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.491140] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 47.499108] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 47.507075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.515043] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 47.523010] FS: 00007fd0c628c580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 47.532047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.538462] CR2: ffffa5ea8193bfff CR3: 0000000103472002 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 #[ 50.672105] lkdtm: Performing direct entry EXEC_KMALLOC [ 47.634855] lkdtm: Performing direct entry STACK_GUARD_PAGE_[ 50.680120] lkdtm: attempting ok execution at ffffffff8acb2340 TRAILING # [ 47.646802] lkdtm: attempting bad read from page [ 50.692881] lkdtm: attempting bad execution at ffff9fe002bda900 above current stack # [ 47.653911] BUG: stack guard page was [ 50.705707] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 50.720237] BUG: unable to handle page fault for address: ffff9fe002bda900 [ 50.727913] #PF: supervisor instruction fetch in kernel mode [ 50.734229] #PF: error_code(0x0011) - permissions violation [ 50.740448] PGD 173201067 P4D 173201067 PUD 10084b063 PMD 1035d2063 PTE 8000000102bda163 [ 50.749506] Oops: 0011 [#7] SMP PTI [ 50.753399] CPU: 0 PID: 1700 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 50.762045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.768849] RIP: 0010:0xffff9fe002bda900 [ 50.773217] Code: 00 00 02 00 00 00 00 00 00 00 80 a5 bd 02 e0 9f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 4f 8a ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 50.794186] RSP: 0018:ffffa5ea82337e38 EFLAGS: 00010246 [ 50.800018] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.807985] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 50.815952] RBP: ffff9fe002bda900 R08: 0000000000000000 R09: 0000000000000000 [ 50.823918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 50.831885] R13: ffffa5ea82337f10 R14: ffffa5ea82337f10 R15: ffff9fe00340a000 [ 50.839854] FS: 00007f8ec6c95580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 50.848888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.855300] CR2: ffff9fe002bda900 CR3: 00000001032c8004 CR4: 00000000003706f0 [ 50.863267] Call Trace: [ 50.865994] ? execute_location+0x48/0x56 [ 50.870473] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 50.875129] ? direct_entry.cold+0x2c/0x38 [ 50.879701] ? full_proxy_write+0x56/0x80 [ 50.884176] ? vfs_write+0xea/0x390 [ 50.888065] ? ksys_write+0x68/0xe0 [ 50.891955] ? do_syscall_64+0x33/0x40 [ 50.896136] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.901970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.928402] CR2: ffff9fe002bda900 [ 50.932099] ---[ end trace 887145289f1cd351 ]--- [ 50.937252] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.941628] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 50.962608] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 50.968441] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.976408] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 50.984376] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 50.992343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.000311] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 51.008278] FS: 00007f8ec6c95580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 51.017313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.023725] CR2: ffff9fe002bda900 CR3: 00000001032c8004 CR4: 00000000003706f0 [ 51.031695] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.041605] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1700, name: cat [ 51.050074] INFO: lockdep is turned off. [ 51.054448] irq event stamp: 0 [ 51.057854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.064852] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.073986] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.083120] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.090117] CPU: 0 PID: 1700 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 51.098764] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.105566] Call Trace: [ 51.108294] dump_stack+0x77/0x97 [ 51.111991] ___might_sleep.cold+0xa6/0xb6 [ 51.116565] exit_signals+0x1c/0x2d0 [ 51.120564] do_exit+0xd5/0xb00 [ 51.124067] ? ksys_write+0x68/0xe0 [ 51.127958] rewind_stack_do_exit+0x17/0x20 [ 51.132616] RIP: 0033:0x7f8ec6bbdf33 [ 51.136604] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.157583] RSP: 002b:00007fffc080ecf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.166028] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8ec6bbdf33 [ 51.173996] RDX: 000000000000000d RSI: 00007f8ec6aae000 RDI: 0000000000000001 [ 51.181963] RBP: 00007f8ec6aae000 R08: 00007f8ec6aad010 R09: 0000000000000000 [ 51.189931] R10: 00007f8ec6cb81c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.197897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 hit at 0000000031409b23 (stack is 0000000018c2c5d1..00000000c405d65d) # [ 47.664803] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 47.671609] CPU: 3 PID: 1085 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 47.680252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.687061] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 47.693672] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 cc 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a cc 8b <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 47.714647] RSP: 0018:ffffa5ea819b7e50 EFLAGS: 00010246 # [ 47.720480] RAX: 0000000000000038 RBX: ffffa5ea819b4000 RCX: 0000000000000000 # [ 47.728447] RDX: 0000000000000000 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc0a38 # [ 47.736415] RBP: ffffffff8bcc0103 R08: 0000000000000000 R09: 000000[ 51.290217] lkdtm: Performing direct entry EXEC_VMALLOC 0000000000 # [ 47.744384] R10: 00000000ffffe000 R11: 3fffffff[ 51.298762] lkdtm: attempting ok execution at ffffffff8acb2340 ffffffff R12: 000000000000001a # [ 47.752353] R13: ffffa5ea81[ 51.311516] lkdtm: attempting bad execution at ffffa5ea8064b000 9b7f10 R14: ffffa5ea819b7f10 R15: ffff9fe00548b000 # [ 47.760[ 51.324344] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 51.338911] BUG: unable to handle page fault for address: ffffa5ea8064b000 [ 51.346590] #PF: supervisor instruction fetch in kernel mode [ 51.352908] #PF: error_code(0x0011) - permissions violation 324] FS: 00007fa148473580(0000) GS:ffff9fe07ad80000(0000) knlGS[ 51.359130] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104eb3067 PTE 80000001034ee063 [ 51.374389] Oops: 0011 [#8] SMP PTI [ 51.378281] CPU: 1 PID: 1736 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 51.386929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.393733] RIP: 0010:0xffffa5ea8064b000 [ 51.398109] Code: Unable to access opcode bytes at RIP 0xffffa5ea8064afd6. [ 51.405784] RSP: 0018:ffffa5ea823d7e38 EFLAGS: 00010246 [ 51.411615] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.419582] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 [ 51.427563] RBP: ffffa5ea8064b000 R08: 0000000000000000 R09: 0000000000000000 [ 51.435536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 51.443512] R13: ffffa5ea823d7f10 R14: ffffa5ea823d7f10 R15: ffff9fe0034ee000 [ 51.451480] FS: 00007f9b6a6bf580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 51.460518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.466924] CR2: ffffa5ea8064afd6 CR3: 0000000104e5a005 CR4: 00000000003706e0 [ 51.474893] Call Trace: [ 51.477621] ? execute_location+0x48/0x56 :0000000000000000 # [ 47.769354] CS: 0010 DS: 0000 ES: 0000 [ 51.482097] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 51.492974] ? direct_entry.cold+0x2c/0x38 [ 51.497561] ? full_proxy_write+0x56/0x80 [ 51.502035] ? vfs_write+0xea/0x390 [ 51.505925] ? ksys_write+0x68/0xe0 [ 51.509816] ? do_syscall_64+0x33/0x40 [ 51.513989] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 CR0: 0000000080050033 # [ 47.775768] CR2: ffffa5ea819b8000 CR[ 51.519821] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.552455] CR2: ffffa5ea8064b000 [ 51.556153] ---[ end trace 887145289f1cd352 ]--- [ 51.561298] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.565665] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 51.586646] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 51.592478] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.600446] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 51.608414] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 51.616380] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.624348] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 51.632315] FS: 00007f9b6a6bf580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 51.641350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.647764] CR2: ffffa5ea8064afd6 CR3: 0000000104e5a005 CR4: 00000000003706e0 3: 0000000105d82004 CR4: 00000000003706e0 # [ 47.783738] Call Trace: # [ 47.786466] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 47.792299] direct_entry.cold+0x2c/0x38 # [ 47.796684] full_proxy_write+0x56/0x80 # [ 47.800966] vfs_write+0xea/0x390 # [ 47.804664] ksys_write+0x68/0xe0 # [ 47.808361] do_syscall_64+0x33/0x40 # [ 47.812350] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 47.817989] RIP: 0033:0x7fa14839bf33 # [ 47.821975] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.842957] RSP: 002b:00007fff82481fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 4[ 51.726216] lkdtm: Performing direct entry EXEC_RODATA 7.851413] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007[ 51.736077] lkdtm: attempting ok execution at ffffffff8acb2340 fa14839bf33 # [ 47.859381] RDX: 000000000000001a RSI: 00007fa[ 51.748826] lkdtm: attempting bad execution at ffffffff8b8d9f00 14828c000 RDI: 0000000000000001 # [ 47.867349] RBP: 00007fa14[ 51.761676] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 51.776206] BUG: unable to handle page fault for address: ffffffff8b8d9f00 [ 51.783883] #PF: supervisor instruction fetch in kernel mode [ 51.790200] #PF: error_code(0x0011) - permissions violation [ 51.796420] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 80000001716000e1 [ 51.804196] Oops: 0011 [#9] SMP PTI [ 51.808087] CPU: 0 PID: 1772 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 51.816734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.823539] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 51.829298] Code: ff ff df a2 2f 8b ff ff ff ff 92 04 cc 8b ff ff ff ff 95 8a 2f 8b 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 [ 51.850275] RSP: 0018:ffffa5ea8244fe48 EFLAGS: 00010246 [ 51.856107] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.864074] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 51.872042] RBP: ffffffff8b8d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 51.880010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 51.887976] R13: ffffa5ea8244ff10 R14: ffffa5ea8244ff10 R15: ffff9fe003668000 [ 51.895943] FS: 00007f3c8437a580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 51.904978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.911393] CR2: ffffffff8b8d9f00 CR3: 0000000105dac006 CR4: 00000000003706f0 [ 51.919359] Call Trace: [ 51.922086] ? execute_location+0x48/0x56 [ 51.926567] ? direct_entry.cold+0x2c/0x38 [ 51.931130] ? full_proxy_write+0x56/0x80 [ 51.935602] ? vfs_write+0xea/0x390 [ 51.939511] ? ksys_write+0x68/0xe0 [ 51.943400] ? do_syscall_64+0x33/0x40 [ 51.947581] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.953416] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.979849] CR2: ffffffff8b8d9f00 [ 51.983555] ---[ end trace 887145289f1cd353 ]--- [ 51.988707] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.993082] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 52.014062] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 52.019895] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.027863] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 52.035832] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 52.043800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.051768] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 52.059736] FS: 00007f3c8437a580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 52.068770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.075184] CR2: ffffffff8b8d9f00 CR3: 0000000105dac006 CR4: 00000000003706f0 828c000 R08: 00007fa14828b010 R09: 0000000000000000 # [ 47.875317] R10: 00007fa1484961c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.883283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.891255] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.917708] ---[ end trace 887145289f1cd34d ]--- # [ 47.929073] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.933448] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 47.954425] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 47.960255] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.968223] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 47.976190] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 47.984156] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.992124] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 48.000093] FS: 00007fa148473580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 48.009128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.015542] CR2: ffffa5ea819b8000 CR3: 0000000105d82004 CR4: 00000000003706e0 # [ 48.023513] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.033423] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1085, name: cat # [ 48.041875] INFO: lockdep is turned off. # [ 48[ 52.255059] lkdtm: Performing direct entry EXEC_USERSPACE .046249] irq event stamp: 0 # [ 48.049654] hardirqs last ena[ 52.263276] lkdtm: attempting ok execution at ffffffff8acb2340 bled at (0): [<0000000000000000>] 0x0 # [ 48.056653] hardirqs[ 52.276019] lkdtm: attempting bad execution at 00007fbbf1ec3000 last disabled at (0): [] copy_process+0x63c/0[ 52.288827] unable to execute userspace code (SMEP?) (uid: 0) [ 52.301456] BUG: unable to handle page fault for address: 00007fbbf1ec3000 [ 52.309134] #PF: supervisor instruction fetch in kernel mode [ 52.315441] #PF: error_code(0x0011) - permissions violation [ 52.321662] PGD 8000000103857067 P4D 8000000103857067 PUD 105683067 PMD 105db9067 PTE 114771067 x1c80 # [ 48.065786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.074920] softirqs[ 52.445473] ? direct_entry.cold+0x2c/0x38 [ 52.456257] ? full_proxy_write+0x56/0x80 [ 52.460731] ? vfs_write+0xea/0x390 [ 52.464623] ? ksys_write+0x68/0xe0 [ 52.468512] ? do_syscall_64+0x33/0x40 [ 52.472695] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 last disabled at (0): [<0000000000000000>] 0x0 # [ 48.081916[ 52.478530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.511163] CR2: 00007fbbf1ec3000 [ 52.514858] ---[ end trace 887145289f1cd354 ]--- [ 52.520011] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.524379] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 52.545359] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 52.551190] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.559158] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 52.567125] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 52.575091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.583057] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 52.591025] FS: 00007fbbf1e94580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 52.600060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.606474] CR2: 00007fbbf1ec3000 CR3: 0000000102bfa004 CR4: 00000000003706e0 [ 52.614441] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.624351] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1808, name: cat [ 52.632804] INFO: lockdep is turned off. [ 52.637179] irq event stamp: 0 [ 52.640583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.647581] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.656715] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.665847] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.672844] CPU: 1 PID: 1808 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 52.681512] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.688313] Call Trace: [ 52.691039] dump_stack+0x77/0x97 ] CPU: 3 PID: 1085 Comm: cat Tainted: G D W 5.10.12[ 52.694739] ___might_sleep.cold+0xa6/0xb6 [ 52.705521] exit_signals+0x1c/0x2d0 [ 52.709512] do_exit+0xd5/0xb00 [ 52.713015] ? ksys_write+0x68/0xe0 [ 52.716905] rewind_stack_do_exit+0x17/0x20 [ 52.721572] RIP: 0033:0x7fbbf1dbcf33 [ 52.725560] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.746557] RSP: 002b:00007ffd92899a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.755011] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbbf1dbcf33 [ 52.762980] RDX: 000000000000000f RSI: 00007fbbf1cad000 RDI: 0000000000000001 [ 52.770947] RBP: 00007fbbf1cad000 R08: 00007fbbf1cac010 R09: 0000000000000000 [ 52.778915] R10: 00007fbbf1eb71c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.786882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6-cip11 #1 # [ 48.090563] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.097364] Call Trace: # [ 48.100098] dump_stack+0x77/0x97 # [ 48.103796] ___might_sleep.cold+0xa6/0xb6 # [ 48.114578] exit_signals+0x1c/0x2d0 # [ 48.118565] do_exit+0xd5/0xb00 # [ 48.122065] ? ksys_write+0x68/0xe0 # [ 48.125956] rewind_stack_do_exit+0x17/0x20 # [ 48.130614] RIP: 0033:0x7fa14839bf33 # [ 48.134601] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.155579] RSP: 002b:00007fff82481fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.164032] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa14839bf33 # [ 48.171999] RDX: [ 52.872132] lkdtm: Performing direct entry EXEC_NULL [ 52.881199] lkdtm: attempting ok execution at ffffffff8acb2340 [ 52.887746] lkdtm: attempting bad execution at 0000000000000000 000000000000001a RSI: 00007fa14828c000 RDI: 0000000000000001 # [ 52.894378] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 52.908351] #PF: supervisor instruction fetch in kernel mode [ 52.914668] #PF: error_code(0x0010) - not-present page [ 52.920404] PGD 0 P4D 0 [ 52.923227] Oops: 0010 [#11] SMP PTI [ 52.927215] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 52.935862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.942666] RIP: 0010:0x0 [ 52.945586] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 52.953252] RSP: 0018:ffffa5ea82567e48 EFLAGS: 00010246 [ 52.959083] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 52.967050] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 [ 52.975017] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.982985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.990951] R13: ffffa5ea82567f10 R14: ffffa5ea82567f10 R15: ffff9fe002be1000 [ 52.998918] FS: 00007fb7c769b580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 53.007953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.014366] CR2: ffffffffffffffd6 CR3: 0000000104e5a006 CR4: 00000000003706e0 [ 53.022333] Call Trace: [ 53.025062] execute_location+0x48/0x56 [ 53.029340] direct_entry.cold+0x2c/0x38 [ 53.033716] full_proxy_write+0x56/0x80 [ 53.037988] vfs_write+0xea/0x390 [ 53.041682] ksys_write+0x68/0xe0 [ 53.045379] do_syscall_64+0x33/0x40 [ 53.049359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.054997] RIP: 0033:0x7fb7c75c3f33 [ 53.058985] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.079969] RSP: 002b:00007ffdb77bea08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.088425] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7c75c3f33 [ 53.096395] RDX: 000000000000000a RSI: 00007fb7c74b4000 RDI: 0000000000000001 [ 53.104352] RBP: 00007fb7c74b4000 R08: 00007fb7c74b3010 R09: 0000000000000000 [ 53.112320] R10: 00007fb7c76be1c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.120287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.128256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.179965] RBP: 00007fa14828c000 R08: 00007fa14828b010 R09: [ 53.154710] CR2: 0000000000000000 [ 53.164619] ---[ end trace 887145289f1cd355 ]--- [ 53.169781] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.174155] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 53.195136] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 53.200968] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.208935] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 53.216902] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 53.224870] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.232837] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 53.240804] FS: 00007fb7c769b580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 53.249840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.256254] CR2: ffffffffffffffd6 CR3: 0000000104e5a006 CR4: 00000000003706e0 0000000000000000 # [ 48.187931] R10: 00007fa1484961c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.195898] 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 # [ 48.263987] lkdtm: Performing direct entry UNSET_SMEP # [ 48.271703] lkdtm: trying to clear SMEP normally # [ 48.276873] ------------[ cut here ]------------ # [ 48.282039] pinned CR4 bits changed: 0x100000!? # [ 48.287128] WARNING: CPU: 3 PID: 1121 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 48.297342] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs[ 53.341918] lkdtm: Performing direct entry ACCESS_USERSPACE [ 53.351297] lkdtm: attempting bad read at 00007f0f94dfb000 [ 53.357439] BUG: unable to handle page fault for address: 00007f0f94dfb000 [ 53.365121] #PF: supervisor read access in kernel mode [ 53.370858] #PF: error_code(0x0001) - permissions violation cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_the[ 53.377080] PGD 800000010567e067 P4D 800000010567e067 PUD 104183067 PMD 105457067 PTE 10780b067 [ 53.393016] Oops: 0001 [#12] SMP PTI [ 53.397004] CPU: 3 PID: 1879 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 53.405653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.412460] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f rmal cros_ec_dev cros_usbpd_notify # [ 48.329972] CPU: 3 PID:[ 53.418682] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 cc 8b e8 73 9d fd ff 48 c7 c7 d8 11 cc 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 cc [ 53.445873] RSP: 0018:ffffa5ea82617e48 EFLAGS: 00010246 [ 53.451705] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 53.459671] RDX: 0000000000000000 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc11d8 [ 53.467638] RBP: 00007f0f94dfb000 R08: 0000000000000000 R09: 0000000000000000 [ 53.475604] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 53.483573] R13: ffffa5ea82617f10 R14: ffffa5ea82617f10 R15: ffff9fe004d88000 [ 53.491540] FS: 00007f0f94dcc580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 53.500596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.507010] CR2: 00007f0f94dfb000 CR3: 00000001041dc003 CR4: 00000000003706e0 [ 53.514977] Call Trace: [ 53.517704] direct_entry.cold+0x2c/0x38 [ 53.522081] full_proxy_write+0x56/0x80 [ 53.526361] vfs_write+0xea/0x390 [ 53.530057] ksys_write+0x68/0xe0 [ 53.533753] do_syscall_64+0x33/0x40 [ 53.537739] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.543378] RIP: 0033:0x7f0f94cf4f33 [ 53.547365] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.568343] RSP: 002b:00007ffe91d46f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.576795] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0f94cf4f33 [ 53.584763] RDX: 0000000000000011 RSI: 00007f0f94be5000 RDI: 0000000000000001 [ 53.592729] RBP: 00007f0f94be5000 R08: 00007f0f94be4010 R09: 0000000000000000 [ 53.600696] R10: 00007f0f94def1c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.608663] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.616633] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.643088] CR2: 00007f0f94dfb000 [ 53.646776] ---[ end trace 887145289f1cd356 ]--- [ 53.651929] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.656304] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 53.677283] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 53.683115] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.691082] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 53.699049] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 53.707016] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.714983] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 53.722949] FS: 00007f0f94dcc580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 53.731985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.738399] CR2: 00007f0f94dfb000 CR3: 00000001041dc003 CR4: 00000000003706e0 [ 53.746366] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.756278] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1879, name: cat [ 53.764731] INFO: lockdep is turned off. [ 53.769106] irq event stamp: 0 [ 53.772510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.779514] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.788646] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.797778] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.804775] CPU: 3 PID: 1879 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 53.813421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.820222] Call Trace: [ 53.822948] dump_stack+0x77/0x97 [ 53.826646] ___might_sleep.cold+0xa6/0xb6 [ 53.831216] exit_signals+0x1c/0x2d0 [ 53.835205] do_exit+0xd5/0xb00 [ 53.838706] ? ksys_write+0x68/0xe0 [ 53.842597] rewind_stack_do_exit+0x17/0x20 [ 53.847263] RIP: 0033:0x7f0f94cf4f33 [ 53.851249] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.872228] RSP: 002b:00007ffe91d46f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.880681] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0f94cf4f33 [ 53.888649] RDX: 0000000000000011 RSI: 00007f0f94be5000 RDI: 0000000000000001 [ 53.896617] RBP: 00007f0f94be5000 R08: 00007f0f94be4010 R09: 0000000000000000 [ 53.904584] R10: 00007f0f94def1c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.912563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1121 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 48.338624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.345430] RIP: 0010:native_write_cr4+0x41/0x60 # [ 48.350586] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb bf 8b c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 48.371576] RSP: 0018:ffffa5ea81a57e48 EFLAGS: 00010286 # [ 48.377412] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 48.385383] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 48.393356] RBP: ffffffff8bcc011d R08: 0000000000000000 R09: 0000000000000000 # [ 48.401326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 48.409299] R13: ffff[ 53.998783] lkdtm: Performing direct entry ACCESS_NULL a5ea81a57f10 R14: ffffa5ea81a57f10 R15: ffff9fe0033aa000 # [ [ 54.007249] lkdtm: attempting bad read at 0000000000000000 48.417269] FS: 00007f4d279fc580(0000) GS:ffff9fe07ad80000(0000)[ 54.019624] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 54.033567] #PF: supervisor read access in kernel mode [ 54.039301] #PF: error_code(0x0000) - not-present page [ 54.045036] PGD 0 P4D 0 [ 54.047858] Oops: 0000 [#13] SMP PTI [ 54.051846] CPU: 0 PID: 1914 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 54.060484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.067291] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 54.072545] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 cc 8b e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 cc 8b 48 01 [ 54.093523] RSP: 0018:ffffa5ea8266fe58 EFLAGS: 00010246 [ 54.099356] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 54.107325] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 54.115284] RBP: ffffffff8bcc02a1 R08: 0000000000000000 R09: 0000000000000000 [ 54.123252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.131218] R13: ffffa5ea8266ff10 R14: ffffa5ea8266ff10 R15: ffff9fe00555b000 [ 54.139187] FS: 00007fb6d1ce7580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 54.148225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.154639] CR2: 0000000000000000 CR3: 000000010551e005 CR4: 00000000003706f0 [ 54.162605] Call Trace: [ 54.165333] direct_entry.cold+0x2c/0x38 [ 54.169717] full_proxy_write+0x56/0x80 [ 54.174001] vfs_write+0xea/0x390 [ 54.177697] ksys_write+0x68/0xe0 [ 54.181394] do_syscall_64+0x33/0x40 [ 54.185382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.191020] RIP: 0033:0x7fb6d1c0ff33 [ 54.195001] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.215983] RSP: 002b:00007fff293af2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.224437] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb6d1c0ff33 [ 54.232404] RDX: 000000000000000c RSI: 00007fb6d1b00000 RDI: 0000000000000001 [ 54.240372] RBP: 00007fb6d1b00000 R08: 00007fb6d1aff010 R09: 0000000000000000 [ 54.248341] R10: 00007fb6d1d0a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.256309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.264278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.290713] CR2: 0000000000000000 [ 54.294408] ---[ end trace 887145289f1cd357 ]--- [ 54.299561] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.303929] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 54.324910] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 54.330742] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.338710] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 54.346678] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 54.354647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.362614] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 54.370583] FS: 00007fb6d1ce7580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 [ 54.379619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.386033] CR2: 0000000000000000 CR3: 000000010551e005 CR4: 00000000003706f0 knlGS:0000000000000000 # [ 48.426309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.432727] CR2: 00007f4d27815000 CR3: 000000010567a004 CR4: 00000000003706e0 # [ 48.440699] Call Trace: # [ 48.443430] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 48.448328] direct_entry.cold+0x2c/0x38 # [ 48.452739] full_proxy_write+0x56/0x80 # [ 48.457025] vfs_write+0xea/0x390 # [ 48.460754] ksys_write+0x68/0xe0 # [ 48.464457] do_syscall_64+0x33/0x40 # [ 48.474664] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.486521] RIP: 0033:0x7f4d27924f33 # [ 48.496729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.517710] RSP: 002b:00007fff2c195588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.532382] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4d27924f33 # [ 48.546573] RDX: 000000000000000b RSI: 00007f4d27815000 RDI: 0000000000000001 # [ 48.554559] RBP: 00007f4d27815000 R08: 00007f4d27814010 R09: 0000000000000000 # [ 48.562565] R10: 00007f4d27a1f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.570550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.578573] irq event stamp: 0 # [ 54.522926] lkdtm: Performing direct entry WRITE_RO [ 48.582012] hardirqs last enabled at (0): [<0000000000000000[ 54.529992] lkdtm: attempting bad rodata write at ffffffff8b8d9ef0 >] 0x0 # [ 48.589039] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.598178] softirq[ 54.576829] Oops: 0003 [#14] SMP PTI [ 54.587030] CPU: 1 PID: 1949 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 54.595668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.602474] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 54.607433] Code: 00 48 c7 c7 90 10 cc 8b 48 c7 c6 f0 9e 8d 8b e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 cc 8b 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 [ 54.628413] RSP: 0018:ffffa5ea826f7e60 EFLAGS: 00010202 [ 54.634246] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 54.642213] RDX: 00000000abcd1234 RSI: ffff9fe07ac9bf70 RDI: ffffffff8bcc10c0 [ 54.650181] RBP: ffffffff8bcc02ad R08: 0000000000000000 R09: 0000000000000000 [ 54.658148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 54.666116] R13: ffffa5ea826f7f10 R14: ffffa5ea826f7f10 R15: ffff9fe003c1e000 [ 54.674084] FS: 00007fcf1630a580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 54.683118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.689533] CR2: ffffffff8b8d9ef0 CR3: 0000000104fe6006 CR4: 00000000003706e0 [ 54.697509] Call Trace: [ 54.700236] direct_entry.cold+0x2c/0x38 [ 54.704615] full_proxy_write+0x56/0x80 s last enabled at (0): [] copy_process+0x63c/[ 54.708895] vfs_write+0xea/0x390 [ 54.718803] ksys_write+0x68/0xe0 [ 54.722512] do_syscall_64+0x33/0x40 [ 54.726512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.732149] RIP: 0033:0x7fcf16232f33 [ 54.736137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.757117] RSP: 002b:00007fff5718a668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.765571] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcf16232f33 [ 54.773537] RDX: 0000000000000009 RSI: 00007fcf16123000 RDI: 0000000000000001 [ 54.781510] RBP: 00007fcf16123000 R08: 00007fcf16122010 R09: 0000000000000000 [ 54.789478] R10: 00007fcf1632d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.797447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x1c80 # [ 48.607316] softirqs last disabled at (0): [<000000[ 54.805419] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.838055] CR2: ffffffff8b8d9ef0 [ 54.841752] ---[ end trace 887145289f1cd358 ]--- [ 54.846905] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.851281] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 54.872252] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 54.878084] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.886050] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 54.894019] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 54.901986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.909955] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 54.917923] FS: 00007fcf1630a580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 54.926958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.933371] CR2: ffffffff8b8d9ef0 CR3: 0000000104fe6006 CR4: 00000000003706e0 [ 54.941340] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.951249] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1949, name: cat [ 54.959701] INFO: lockdep is turned off. [ 54.964075] irq event stamp: 0 [ 54.967479] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.974479] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.983613] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.992746] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.999744] CPU: 1 PID: 1949 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.008390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.015193] Call Trace: [ 55.017920] dump_stack+0x77/0x97 [ 55.021618] ___might_sleep.cold+0xa6/0xb6 [ 55.026189] exit_signals+0x1c/0x2d0 [ 55.030166] do_exit+0xd5/0xb00 [ 55.033668] ? ksys_write+0x68/0xe0 [ 55.037570] rewind_stack_do_exit+0x17/0x20 [ 55.042237] RIP: 0033:0x7fcf16232f33 [ 55.046224] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.067204] RSP: 002b:00007fff5718a668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.075658] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcf16232f33 [ 55.083625] RDX: 0000000000000009 RSI: 00007fcf16123000 RDI: 0000000000000001 [ 55.091592] RBP: 00007fcf16123000 R08: 00007fcf16122010 R09: 0000000000000000 [ 55.099563] R10: 00007fcf1632d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.107530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000>] 0x0 # [ 48.614315] ---[ end trace 887145289f1cd34e ]--- # [ 48.619469] lkdtm: ok: SMEP did not get cleared # [ 48.624528] lkdtm: trying to clear SMEP with call gadget # [ 48.630459] 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 # [ 48.691500] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.703641] 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 # [ 48.769750] lkdtm: Performing direct entry CORRUPT_PAC # [ 48.776680] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNA[ 55.193225] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 55.202822] lkdtm: attempting bad ro_after_init write at ffffffff8bd3c328 [ 55.210418] BUG: unable to handle page fault for address: ffffffff8bd3c328 [ 55.218101] #PF: supervisor write access in kernel mode [ 55.223934] #PF: error_code(0x0003) - permissions violation LI[GNED_LOAD_STORE_WRITE.sh # [ 48.866310] lkdtm: Performing d 55.230155] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 100058063 PTE 8000000171b3c061 [ 55.245412] Oops: 0003 [#15] SMP PTI [ 55.249403] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.258052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.264859] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 55.270885] Code: 10 cc 8b e9 45 9f fd ff 48 c7 c7 18 11 cc 8b e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 cc 8b 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 55.291855] RSP: 0018:ffffa5ea827b7e60 EFLAGS: 00010202 [ 55.297687] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 55.305654] RDX: 00000000abcd1234 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc10c0 [ 55.313622] RBP: ffffffff8bcc02b6 R08: 0000000000000000 R09: 0000000000000000 [ 55.321589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 55.329563] R13: ffffa5ea827b7f10 R14: ffffa5ea827b7f10 R15: ffff9fe003443000 [ 55.337530] FS: 00007f60ae213580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 55.346566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.352980] CR2: ffffffff8bd3c328 CR3: 0000000104fce002 CR4: 00000000003706e0 [ 55.360948] Call Trace: [ 55.363675] direct_entry.cold+0x2c/0x38 [ 55.368054] full_proxy_write+0x56/0x80 [ 55.372334] vfs_write+0xea/0x390 [ 55.376030] ksys_write+0x68/0xe0 [ 55.379728] do_syscall_64+0x33/0x40 [ 55.383716] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.389344] RIP: 0033:0x7f60ae13bf33 [ 55.393332] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.414301] RSP: 002b:00007fff8d6a66f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.422747] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f60ae13bf33 [ 55.430714] RDX: 0000000000000014 RSI: 00007f60ae02c000 RDI: 0000000000000001 [ 55.438679] RBP: 00007f60ae02c000 R08: 00007f60ae02b010 R09: 0000000000000000 [ 55.446648] R10: 00007f60ae2361c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.454615] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.462583] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify irect entry UNALIGNED_LOAD_STORE_WRITE # [ 48.876203] lkdtm: [ 55.489029] CR2: ffffffff8bd3c328 [ 55.498937] ---[ end trace 887145289f1cd359 ]--- [ 55.504083] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.508459] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 55.529440] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 55.535264] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.543232] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 55.551198] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 55.559165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.567132] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 55.575099] FS: 00007f60ae213580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 55.584136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.590563] CR2: ffffffff8bd3c328 CR3: 0000000104fce002 CR4: 00000000003706e0 XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 49.000611] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.008064] lkdtm: Value in memory before free: 12345678 # [ 49.020208] lkdtm: Attempting bad read from freed memory # [ 49.032354] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: [ 55.676660] lkdtm: Performing direct entry WRITE_KERN [ 55.685045] lkdtm: attempting bad 6580762 byte write at ffffffff8b2f8d5a [ 55.692541] BUG: unable to handle page fault for address: ffffffff8b2f8d5a [ 55.700219] #PF: supervisor write access in kernel mode [ 55.706054] #PF: error_code(0x0003) - permissions violation [ 55.712275] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 1710000e1 lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BU[ 55.719373] Oops: 0003 [#16] SMP PTI [ 55.729573] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 55.738222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.745029] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 55.750182] Code: 53 48 c7 c3 5a 8d 2f 8b 49 89 dc 48 89 da 49 81 ec 40 23 cb 8a 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 cb 8a a4 48 c7 c7 c0 10 cc 8b e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 55.771153] RSP: 0018:ffffa5ea82827e50 EFLAGS: 00010246 [ 55.776984] RAX: 000000000000003c RBX: ffffffff8b2f8d5a RCX: 0000000000646a1a [ 55.784950] RDX: 0000000000000000 RSI: ffffffff8acb2340 RDI: ffffffff8b2f8d5a [ 55.792917] RBP: ffffffff8bcc02ca R08: 0000000000000000 R09: 0000000000000000 [ 55.800885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a [ 55.808851] R13: ffffa5ea82827f10 R14: ffffa5ea82827f10 R15: ffff9fe005c4e000 [ 55.816819] FS: 00007f746c219580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 55.825855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.832268] CR2: ffffffff8b2f8d5a CR3: 000000010336c004 CR4: 00000000003706e0 [ 55.840234] Call Trace: [ 55.842961] direct_entry.cold+0x2c/0x38 [ 55.847339] full_proxy_write+0x56/0x80 [ 55.851617] vfs_write+0xea/0x390 [ 55.855312] ksys_write+0x68/0xe0 [ 55.859008] do_syscall_64+0x33/0x40 [ 55.862996] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.868634] RIP: 0033:0x7f746c141f33 [ 55.872620] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.893598] RSP: 002b:00007ffc76d3ecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.902051] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f746c141f33 [ 55.910017] RDX: 000000000000000b RSI: 00007f746c032000 RDI: 0000000000000001 [ 55.917983] RBP: 00007f746c032000 R08: 00007f746c031010 R09: 0000000000000000 [ 55.925951] R10: 00007f746c23c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.933918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.941887] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.968340] CR2: ffffffff8b2f8d5a [ 55.972034] ---[ end trace 887145289f1cd35a ]--- [ 55.977187] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.981567] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 56.002544] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 [ 56.008375] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.016343] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 [ 56.024312] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 56.032279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.040247] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 [ 56.048213] FS: 00007f746c219580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 56.057250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.063663] CR2: ffffffff8b2f8d5a CR3: 000000010336c004 CR4: 00000000003706e0 [ 56.071631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.081541] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2019, name: cat [ 56.089996] INFO: lockdep is turned off. [ 56.094371] irq event stamp: 0 [ 56.097774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.104773] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.113907] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.123032] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.130029] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 56.138676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.145476] Call Trace: [ 56.148203] dump_stack+0x77/0x97 DDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts m[ 56.151902] ___might_sleep.cold+0xa6/0xb6 [ 56.162683] exit_signals+0x1c/0x2d0 [ 56.166671] do_exit+0xd5/0xb00 [ 56.170164] ? ksys_write+0x68/0xe0 [ 56.174055] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 56.179511] rewind_stack_do_exit+0x17/0x20 [ 56.184177] RIP: 0033:0x7f746c141f33 [ 56.188164] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.209145] RSP: 002b:00007ffc76d3ecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.217590] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f746c141f33 [ 56.225563] RDX: 000000000000000b RSI: 00007f746c032000 RDI: 0000000000000001 [ 56.233530] RBP: 00007f746c032000 R08: 00007f746c031010 R09: 0000000000000000 [ 56.241510] R10: 00007f746c23c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.249478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 emory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 49.114695] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 49.124457] lkdtm: Value in memory before free: 12345678 # [ 49.136613] lkdtm: Attempting to read from freed memory # [ 49.148707] 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 # [ 49.219098] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 49.228193] 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 # [ 49.287914] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 49.295672] lkdtm: Atte[ 56.340857] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW mpting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'ca[ 56.351216] lkdtm: attempting good refcount_inc() without overflow ll trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.[ 56.364347] lkdtm: attempting bad refcount_inc() overflow sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 49.358[ 56.376616] ------------[ cut here ]------------ 523] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 49.369[ 56.387991] refcount_t: saturated; leaking memory. 697] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE:[ 56.399550] WARNING: CPU: 0 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB[ 56.415107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Ski[ 56.447775] CPU: 0 PID: 2054 Comm: cat Tainted: G D W 5.10.126-cip11 #1 pping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFT[ 56.462600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 LOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping [ 56.475664] RIP: 0010:refcount_warn_saturate+0x49/0xf0 HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP[ 56.487576] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a .sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLO[ 56.514820] RSP: 0018:ffffa5ea8287fe48 EFLAGS: 00010286 CKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # [ 56.526830] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Ha[ 56.541074] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 ngs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # s[ 56.555327] RBP: ffffffff8bcc02d5 R08: 0000000000000000 R09: 0000000000000000 elftests: lkdtm: EXEC_DATA.sh # Killed # [ 49.530984] lkdtm:[ 56.569471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 Performing direct entry EXEC_DATA # [ 49.542432] lkdtm: atte[ 56.583761] R13: ffffa5ea8287ff10 R14: ffffa5ea8287ff10 R15: ffff9fe002b25000 mpting ok execution at ffffffff8acb2340 # [ 49.555180] lkdtm:[ 56.597866] FS: 00007f6efee1a580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 attempting bad execution at ffffffff8d3b3560 # [ 49.567995] [ 56.613121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel tried to execute NX-protected page - exploit attempt? (ui[ 56.625745] CR2: 00007f6efec33000 CR3: 0000000105c64003 CR4: 00000000003706f0 d: 0) # [ 49.582548] BUG: unable to handle page fault for add[ 56.639955] Call Trace: ress: ffffffff8d3b3560 # [ 49.590224] #PF: supervisor instruc[ 56.648888] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 tion fetch in kernel mode # [ 49.596540] #PF: error_code(0x00[ 56.660461] direct_entry.cold+0x2c/0x38 11) - permissions violation # [ 49.602758] PGD 171c29067 P4D [ 56.671050] full_proxy_write+0x56/0x80 171c29067 PUD 171c2a063 PMD 80000001730000e3 # [ 49.610542] [ 56.681555] vfs_write+0xea/0x390 Oops: 0011 [#5] SMP PTI # [ 49.614433] CPU: 0 PID: 1628 Comm:[ 56.691461] ksys_write+0x68/0xe0 cat Tainted: G D W 5.10.126-cip11 #1 # [ 49.623[ 56.701388] do_syscall_64+0x33/0x40 081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 56.711587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 49.629888] RIP: 0010:data_area+0x0/0x40 # [ 49.634270] Code[ 56.723447] RIP: 0033:0x7f6efed42f33 : ff ff 00 96 7b 02 e0 9f ff ff 00 95 7b 02 e0 9f ff ff 00 00 00[ 56.733654] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 56.760858] RSP: 002b:00007ffd06711ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 56.775526] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6efed42f33 55 # [ 49.655248] RSP: 0018:ffffa5ea8221fe48 EFLAGS: 0001024[ 56.789718] RDX: 0000000000000016 RSI: 00007f6efec33000 RDI: 0000000000000001 6 # [ 49.661081] RAX: 0000000000000033 RBX: 0000000000000001 [ 56.803895] RBP: 00007f6efec33000 R08: 00007f6efec32010 R09: 0000000000000000 RCX: 0000000000000000 # [ 49.669049] RDX: 0000000000000000 RS[ 56.818094] R10: 00007f6efee3d1c0 R11: 0000000000000246 R12: 0000000000000001 I: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 49.677016] RBP:[ 56.832264] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffff8d3b3560 R08: 0000000000000000 R09: 0000000000000000 #[ 56.846469] irq event stamp: 0 [ 49.684985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 56.856076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000000a # [ 49.692951] R13: ffffa5ea8221ff10 R14: f[ 56.869311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 fffa5ea8221ff10 R15: ffff9fe0057ea000 # [ 49.700922] FS: 000[ 56.884651] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 07fb7f1979580(0000) GS:ffff9fe07ac00000(0000) knlGS:000000000000[ 56.900020] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000 # [ 49.709958] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 56.913218] ---[ end trace 887145289f1cd35b ]--- 80050033 # [ 49.716373] CR2: ffffffff8d3b3560 CR3: 0000000104[ 56.924592] lkdtm: Overflow detected: saturated 1ee002 CR4: 00000000003706f0 # [ 49.724342] Call Trace: # [ 49.727071] ? execute_location+0x48/0x56 # [ 49.731551] ? direct_entry.cold+0x2c/0x38 # [ 49.736123] ? full_proxy_write+0x56/0x80 # [ 49.740602] ? vfs_write+0xea/0x390 # [ 49.744494] ? ksys_write+0x68/0xe0 # [ 49.748377] ? do_syscall_64+0x33/0x40 # [ 49.752560] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.758394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.784834] CR2: ffffffff8d3b3560 # [ 49.788530] ---[ end trace 887145289f1cd34f ]--- # [ 49.793685] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.798061] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 49.819046] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 49.824878] RAX: ffffffff8acb1f70 RBX: 0000000000000001[ 57.043980] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 57.054461] lkdtm: attempting good refcount_add() without overflow RCX: 0000000000000000 # [ 49.832847] RDX: 0000000000000000 R[ 57.061380] lkdtm: attempting bad refcount_add() overflow [ 57.073615] ------------[ cut here ]------------ [ 57.078802] refcount_t: saturated; leaking memory. [ 57.084183] WARNING: CPU: 2 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 SI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 49.840816] RBP[ 57.093523] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.126155] CPU: 2 PID: 2086 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 57.134835] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.141643] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 57.147415] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a [ 57.168400] RSP: 0018:ffffa5ea82887e48 EFLAGS: 00010286 [ 57.174266] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 57.182239] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 [ 57.190214] RBP: ffffffff8bcc02eb R08: 0000000000000000 R09: 0000000000000000 [ 57.198186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 57.206157] R13: ffffa5ea82887f10 R14: ffffa5ea82887f10 R15: ffff9fe005452000 [ 57.214130] FS: 00007f78ce147580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 57.223170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.229588] CR2: 00007f78cdf60000 CR3: 00000001040c2002 CR4: 00000000003706e0 : ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 [ 57.237562] Call Trace: [ 57.246522] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 49.848784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 57.251904] direct_entry.cold+0x2c/0x38 : 0000000000000004 # [ 49.856751] R13: ffffa5ea81477f10 R14: [ 57.262498] full_proxy_write+0x56/0x80 [ 57.272996] vfs_write+0xea/0x390 [ 57.276717] ksys_write+0x68/0xe0 [ 57.280416] do_syscall_64+0x33/0x40 [ 57.284405] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.290047] RIP: 0033:0x7f78ce06ff33 [ 57.294039] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.315026] RSP: 002b:00007ffd7e8c6138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.323519] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f78ce06ff33 ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 49.864720] FS: 00[ 57.331490] RDX: 0000000000000016 RSI: 00007f78cdf60000 RDI: 0000000000000001 [ 57.345673] RBP: 00007f78cdf60000 R08: 00007f78cdf5f010 R09: 0000000000000000 [ 57.353642] R10: 00007f78ce16a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.361611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.369575] irq event stamp: 0 [ 57.372981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.379982] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.389120] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 57.398256] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.405255] ---[ end trace 887145289f1cd35c ]--- [ 57.410401] lkdtm: Overflow detected: saturated 007fb7f1979580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 49.873756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.880171] CR2: ffffffff8d3b3560 CR3: 00000001041ee002 CR4: 00000000003706f0 # [ 49.888141] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.898054] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1628, name: cat # [ 49.906498] INFO: lockdep is turned off. # [ 49.910874] irq event stamp: 0 # [ 49.914280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.921280] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.930417] softirqs last en[ 57.483527] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW abled at (0): [] copy_process+0x63c/0x1c80 # [ 57.491462] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 49.939541] softirqs last disabled at (0): [<0000000000000000[ 57.504591] ------------[ cut here ]------------ >] 0x0 # [ 49.946538] CPU: 0 PID: 1628 Comm: cat Tainted: G [ 57.515980] refcount_t: saturated; leaking memory. D W 5.10.126-cip11 #1 # [ 49.955185] Hardware nam[ 57.527537] WARNING: CPU: 0 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.961990] Call[ 57.543082] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Trace: # [ 49.964718] dump_stack+0x77/0x97 # [ 49.968419[ 57.575759] CPU: 0 PID: 2118 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ] ___might_sleep.cold+0xa6/0xb6 # [ 49.972992] exit_signals[ 57.590607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 +0x1c/0x2d0 # [ 49.976981] do_exit+0xd5/0xb00 # [ 49.9804[ 57.603652] RIP: 0010:refcount_warn_saturate+0x87/0xf0 86] ? ksys_write+0x68/0xe0 # [ 49.984378] rewind_stack_do_e[ 57.615599] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb xit+0x17/0x20 # [ 49.989046] RIP: 0033:0x7fb7f18a1f33 # [ [ 57.642828] RSP: 0018:ffffa5ea8294fe38 EFLAGS: 00010282 49.993034] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff[ 57.654851] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 57.669061] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 57.683223] RBP: ffffffff8bcbff28 R08: 0000000000000000 R09: 0000000000000000 28 48 89 54 24 18 # [ 50.014017] RSP: 002b:00007ffec5dc6338 [ 57.697432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.022462] RA[ 57.711604] R13: ffffa5ea8294ff10 R14: ffffa5ea8294ff10 R15: ffff9fe002b3b000 X: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7f18a1f33[ 57.725808] FS: 00007f8837e8b580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 50.030429] RDX: 000000000000000a RSI: 00007fb7f1792000 RD[ 57.741049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 I: 0000000000000001 # [ 50.038399] RBP: 00007fb7f1792000 R08:[ 57.753702] CR2: 00007f8837ca4000 CR3: 0000000104dce002 CR4: 00000000003706f0 00007fb7f1791010 R09: 0000000000000000 # [ 50.046367] R10: 0[ 57.767871] Call Trace: 0007fb7f199c1c0 R11: 0000000000000246 R12: 0000000000000001 # [[ 57.776837] __refcount_add_not_zero.constprop.0+0x2a/0x31 50.054336] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 57.789165] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selft[ 57.801610] direct_entry.cold+0x2c/0x38 ests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # [ 57.812202] full_proxy_write+0x56/0x80 Killed # [ 50.147941] lkdtm: Performing direct entry EXEC_STA[ 57.822711] vfs_write+0xea/0x390 CK # [ 50.154995] lkdtm: attempting ok execution at ffffffff8[ 57.832616] ksys_write+0x68/0xe0 acb2340 # [ 50.167721] lkdtm: attempting bad execution at fff[ 57.842572] do_syscall_64+0x33/0x40 fa5ea82287e18 # [ 50.180596] kernel tried to execute NX-prote[ 57.852744] entry_SYSCALL_64_after_hwframe+0x44/0xa9 cted page - exploit attempt? (uid: 0) # [ 50.195153] BUG: una[ 57.864611] RIP: 0033:0x7f8837db3f33 ble to handle page fault for address: ffffa5ea82287e18 # [ 50[ 57.874815] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .202829] #PF: supervisor instruction fetch in kernel mode # [ [ 57.902024] RSP: 002b:00007ffcecfb18b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 50.209147] #PF: error_code(0x0011) - permissions violation # [[ 57.916693] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8837db3f33 50.215367] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105d[ 57.930877] RDX: 000000000000001f RSI: 00007f8837ca4000 RDI: 0000000000000001 a5067 PTE 800000010005b063 # [ 50.224413] Oops: 0011 [#6] SMP[ 57.945066] RBP: 00007f8837ca4000 R08: 00007f8837ca3010 R09: 0000000000000000 PTI # [ 50.228303] CPU: 0 PID: 1664 Comm: cat Tainted: G [ 57.959256] R10: 00007f8837eae1c0 R11: 0000000000000246 R12: 0000000000000001 D W 5.10.126-cip11 #1 # [ 50.236949] Hardware name:[ 57.973430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.243752] RIP: 0[ 57.987639] irq event stamp: 0 010:0xffffa5ea82287e18 # [ 50.248127] Code: 00 00 18 7e 28 82[ 57.997248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ea a5 ff ff b3 8d 2f 8b ff ff ff ff 20 00 00 00 00 00 00 00 46 [ 58.010506] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 02 cc 8b ff ff ff ff df 8e 2f 8b ff ff ff ff <0f> 1f 44 00 00 c3[ 58.025824] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 50.26910[ 58.041204] softirqs last disabled at (0): [<0000000000000000>] 0x0 4] RSP: 0018:ffffa5ea82287df8 EFLAGS: 00010246 # [ 50.274936][ 58.054401] ---[ end trace 887145289f1cd35d ]--- RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000000[ 58.065809] lkdtm: Overflow detected: saturated 00 # [ 50.282904] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 50.290870] RBP: ffffa5ea82287e18 R08: 0000000000000000 R09: 0000000000000000 # [ 50.298837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.306804] R13: ffffa5ea82287f10 R14: ffffa5ea82287f10 R15: ffff9fe00548f000 # [ 50.314772] FS: 00007fd2e4782580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 50.323809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.330223] CR2: ffffa5ea82287e18 CR3: 00000001034ee003 CR4: 00000000003706f0 # [ 50.338192] Call Trace: # [ 50.340920] ? execute_location+0x48/0x56 # [ 50.345399] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 50.349864] ? direct_entry.cold+0x2c/0x38 # [ [ 58.149947] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 50.354436] ? full_proxy_write+0x56/0x80 # [ 50.358911] ? vf[ 58.159211] lkdtm: attempting bad refcount_add_not_zero() overflow s_write+0xea/0x390 # [ 50.362801] ? ksys_write+0x68/0xe0 # [ 58.172357] ------------[ cut here ]------------ [ 50.366693] ? do_syscall_64+0x33/0x40 # [ 50.370865] ? e[ 58.183738] refcount_t: saturated; leaking memory. ntry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.376699] Module[ 58.195317] WARNING: CPU: 0 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 58.210848] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify industrialio_triggered_buffer kfifo_buf industrialio cros_ec_se[ 58.243492] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 58.258321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 nsorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_c[ 58.265166] RIP: 0010:refcount_warn_saturate+0x87/0xf0 hardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 58.277072] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 50.403130] CR2: ffffa5ea82287e18 # [ 50.406827] ---[ end tra[ 58.304314] RSP: 0018:ffffa5ea82a0fe38 EFLAGS: 00010282 [ 58.316329] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ce 887145289f1cd350 ]--- # [ 50.411971] RIP: 0010:lkdtm_BUG+0[ 58.324330] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 [ 58.338481] RBP: ffffffff8bcbff48 R08: 0000000000000000 R09: 0000000000000000 x5/0x10 # [ 50.416346] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb[ 58.346474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc [ 58.360666] R13: ffffa5ea82a0ff10 R14: ffffa5ea82a0ff10 R15: ffff9fe0035dc000 cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 58.374896] FS: 00007f0b9c3b2580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 50.437324] RSP: 0018:ff[ 58.390124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffa5ea81477e60 EFLAGS: 00010282 # [ 50.443156] RAX: ffffffff8[ 58.402801] CR2: 00007f0b9c1cb000 CR3: 0000000104dce006 CR4: 00000000003706f0 acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.45[ 58.416988] Call Trace: 1123] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8[ 58.425921] __refcount_add_not_zero.constprop.0+0x2a/0x31 b8d9a70 # [ 50.459091] RBP: ffffffff8bd1b490 R08: 00000000000[ 58.438263] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 00001 R09: 0000000000000001 # [ 50.467058] R10: 00000000ffffe[ 58.450688] direct_entry.cold+0x2c/0x38 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.475024[ 58.461301] full_proxy_write+0x56/0x80 ] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9[ 58.471806] vfs_write+0xea/0x390 000 # [ 50.482991] FS: 00007fd2e4782580(0000) GS:ffff9fe07ac[ 58.481705] ksys_write+0x68/0xe0 00000(0000) knlGS:0000000000000000 # [ 50.492026] CS: 0010 D[ 58.491697] do_syscall_64+0x33/0x40 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.498440] CR2: ff[ 58.501822] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ffa5ea82287e18 CR3: 00000001034ee003 CR4: 00000000003706f0 # EX[ 58.513695] RIP: 0033:0x7f0b9c2daf33 EC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_ST[ 58.523893] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 50.[ 58.551152] RSP: 002b:00007ffdf531abe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 672105] lkdtm: Performing direct entry EXEC_KMALLOC # [ 50.68[ 58.565809] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0b9c2daf33 0120] lkdtm: attempting ok execution at ffffffff8acb2340 # [ [ 58.579979] RDX: 000000000000001f RSI: 00007f0b9c1cb000 RDI: 0000000000000001 50.692881] lkdtm: attempting bad execution at ffff9fe002bda900 [ 58.594159] RBP: 00007f0b9c1cb000 R08: 00007f0b9c1ca010 R09: 0000000000000000 # [ 50.705707] kernel tried to execute NX-protected page - exp[ 58.608356] R10: 00007f0b9c3d51c0 R11: 0000000000000246 R12: 0000000000000001 loit attempt? (uid: 0) # [ 50.720237] BUG: unable to handle p[ 58.622562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 age fault for address: ffff9fe002bda900 # [ 50.727913] #PF: s[ 58.636751] irq event stamp: 0 upervisor instruction fetch in kernel mode # [ 50.734229] #PF[ 58.646363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : error_code(0x0011) - permissions violation # [ 50.740448] P[ 58.659624] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 GD 173201067 P4D 173201067 PUD 10084b063 PMD 1035d2063 PTE 80000[ 58.674942] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 00102bda163 # [ 50.749506] Oops: 0011 [#7] SMP PTI # [ 50.[ 58.690307] softirqs last disabled at (0): [<0000000000000000>] 0x0 753399] CPU: 0 PID: 1700 Comm: cat Tainted: G D W 5[ 58.703544] ---[ end trace 887145289f1cd35e ]--- .10.126-cip11 #1 # [ 50.762045] Hardware name: Google Rammus/[ 58.714921] lkdtm: Overflow detected: saturated Rammus, BIOS 09/04/2020 # [ 50.768849] RIP: 0010:0xffff9fe002bda900 # [ 50.773217] Code: 00 00 02 00 00 00 00 00 00 00 80 a5 bd 02 e0 9f ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 4f 8a ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 50.794186] RSP: 0018:ffffa5ea82337e38 EFLAGS: 00010246 # [ 50.800018] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.807985] RDX: 0000000000000000 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 50.815952] RBP: ffff9fe002bda900 R08: 0000000000000000 R09: 0000000000000000 # [ 50.823918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 50.831885] R13: ffffa5ea82337f10 R14: ffffa5ea82337f10 R15: ffff9fe00340a000 # [ 50.839854] FS: 00007f8ec6c95580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 50.848888] CS: 0010 D[ 58.808627] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 58.819514] lkdtm: attempting good refcount_dec() [ 58.824767] lkdtm: attempting bad refcount_dec() to zero [ 58.830701] ------------[ cut here ]------------ [ 58.835880] refcount_t: decrement hit 0; leaking memory. [ 58.841841] WARNING: CPU: 3 PID: 2182 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.855300] CR2: ff[ 58.851180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.883816] CPU: 3 PID: 2182 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 58.892513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff9fe002bda900 CR3: 00000001032c8004 CR4: 00000000003706f0 # [ [ 58.899325] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 58.911272] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 58.932257] RSP: 0018:ffffa5ea82ab7e48 EFLAGS: 00010286 [ 58.938097] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 58.946094] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 58.954069] RBP: ffffffff8bcc0301 R08: 0000000000000000 R09: 0000000000000000 [ 58.962041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 58.970014] R13: ffffa5ea82ab7f10 R14: ffffa5ea82ab7f10 R15: ffff9fe003237000 [ 58.977991] FS: 00007fdbe6a01580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 58.987030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.993448] CR2: 00007fdbe681a000 CR3: 0000000102bf2003 CR4: 00000000003706e0 50.863267] Call Trace: # [ 50.865994] ? execute_location+0[ 59.001422] Call Trace: x48/0x56 # [ 50.870473] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ [ 59.010371] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 50.875129] ? direct_entry.cold+0x2c/0x38 # [ 50.879701] ?[ 59.021548] direct_entry.cold+0x2c/0x38 full_proxy_write+0x56/0x80 # [ 50.884176] ? vfs_write+0xea/[ 59.032142] full_proxy_write+0x56/0x80 [ 59.042639] vfs_write+0xea/0x390 [ 59.046370] ksys_write+0x68/0xe0 [ 59.050073] do_syscall_64+0x33/0x40 [ 59.054096] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.059741] RIP: 0033:0x7fdbe6929f33 [ 59.063764] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.084759] RSP: 002b:00007ffc8a729168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.093252] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdbe6929f33 [ 59.101226] RDX: 0000000000000012 RSI: 00007fdbe681a000 RDI: 0000000000000001 [ 59.109198] RBP: 00007fdbe681a000 R08: 00007fdbe6819010 R09: 0000000000000000 [ 59.117171] R10: 00007fdbe6a241c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.125145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.133121] irq event stamp: 0 [ 59.136570] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.143572] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.152713] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.161852] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.168852] ---[ end trace 887145289f1cd35f ]--- [ 59.174008] lkdtm: Zero detected: saturated 0x390 # [ 50.888065] ? ksys_write+0x68/0xe0 # [ 50.891955] ? do_syscall_64+0x33/0x40 # [ 50.896136] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.901970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.928402] CR2: ffff9fe002bda900 # [ 50.932099] ---[ end trace 887145289f1cd351 ]--- # [ 50.937252] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.941628] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 59.248796] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 00 83 05 a0 15 70 02 # [ 50.962608] RSP: 0018:ffffa5ea81477e6[ 59.260018] lkdtm: attempting bad refcount_dec() below zero 0 EFLAGS: 00010282 # [ 50.968441] RAX: ffffffff8acb1f70 RBX: [ 59.272488] ------------[ cut here ]------------ 0000000000000001 RCX: 0000000000000000 # [ 50.976408] RDX: 00[ 59.283848] refcount_t: decrement hit 0; leaking memory. 00000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ [ 59.296007] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 50.984376] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 00[ 59.311541] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000001 # [ 50.992343] R10: 00000000ffffe000 R11: 3fff[ 59.344225] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.126-cip11 #1 ffffffffffff R12: 0000000000000004 # [ 51.000311] R13: ffffa5[ 59.359061] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 51[ 59.372100] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 .008278] FS: 00007f8ec6c95580(0000) GS:ffff9fe07ac00000(0000) k[ 59.384030] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 nlGS:0000000000000000 # [ 51.017313] CS: 0010 DS: 0000 ES: 0[ 59.411264] RSP: 0018:ffffa5ea82b4fe48 EFLAGS: 00010286 000 CR0: 0000000080050033 # [ 51.023725] CR2: ffff9fe002bda90[ 59.423270] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 0 CR3: 00000001032c8004 CR4: 00000000003706f0 # [ 51.031695] [ 59.437482] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 BUG: sleeping function called from invalid context at include/li[ 59.451652] RBP: ffffffff8bcc0313 R08: 0000000000000000 R09: 0000000000000000 nux/percpu-rwsem.h:49 # [ 51.041605] in_atomic(): 0, irqs_dis[ 59.465853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 abled(): 1, non_block: 0, pid: 1700, name: cat # [ 51.050074][ 59.480033] R13: ffffa5ea82b4ff10 R14: ffffa5ea82b4ff10 R15: ffff9fe005450000 INFO: lockdep is turned off. # [ 51.054448] irq event stamp:[ 59.494244] FS: 00007f6b10d59580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 0 # [ 51.057854] hardirqs last enabled at (0): [<0000000000[ 59.509481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000>] 0x0 # [ 51.064852] hardirqs last disabled at (0): [<[ 59.522136] CR2: 00007f6b10b72000 CR3: 0000000103222003 CR4: 00000000003706f0 ffffffff8a4f9f9c>] copy_process+0x63c/0x1c80 # [ 51.073986] s[ 59.536299] Call Trace: oftirqs last enabled at (0): [] copy_process+[ 59.545265] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 0x63c/0x1c80 # [ 51.083120] softirqs last disabled at (0): [<[ 59.556816] direct_entry.cold+0x2c/0x38 0000000000000000>] 0x0 # [ 51.090117] CPU: 0 PID: 1700 Comm: [ 59.567430] full_proxy_write+0x56/0x80 cat Tainted: G D W 5.10.126-cip11 #1 # [ 51.0987[ 59.577912] vfs_write+0xea/0x390 64] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 59.587846] ksys_write+0x68/0xe0 51.105566] Call Trace: # [ 51.108294] dump_stack+0x77/0x97[ 59.597746] do_syscall_64+0x33/0x40 # [ 51.111991] ___might_sleep.cold+0xa6/0xb6 # [ 51.11656[ 59.607974] entry_SYSCALL_64_after_hwframe+0x44/0xa9 5] exit_signals+0x1c/0x2d0 # [ 51.120564] do_exit+0xd5/0xb0[ 59.619814] RIP: 0033:0x7f6b10c81f33 0 # [ 51.124067] ? ksys_write+0x68/0xe0 # [ 51.127958] r[ 59.630035] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ewind_stack_do_exit+0x17/0x20 # [ 51.132616] RIP: 0033:0x7f8e[ 59.657223] RSP: 002b:00007ffca054e548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c6bbdf33 # [ 51.136604] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 59.671925] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6b10c81f33 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 59.686096] RDX: 0000000000000016 RSI: 00007f6b10b72000 RDI: 0000000000000001 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 59.700302] RBP: 00007f6b10b72000 R08: 00007f6b10b71010 R09: 0000000000000000 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.157583] RSP: 002b:0[ 59.714471] R10: 00007f6b10d7c1c0 R11: 0000000000000246 R12: 0000000000000001 0007fffc080ecf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 59.728676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 51.166028] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0[ 59.742847] irq event stamp: 0 0007f8ec6bbdf33 # [ 51.173996] RDX: 000000000000000d RSI: 000[ 59.752487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 07f8ec6aae000 RDI: 0000000000000001 # [ 51.181963] RBP: 00007[ 59.765688] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 f8ec6aae000 R08: 00007f8ec6aad010 R09: 0000000000000000 # [ 5[ 59.781055] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1.189931] R10: 00007f8ec6cb81c0 R11: 0000000000000246 R12: 00000[ 59.796401] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000001 # [ 51.197897] R13: 0000000000000001 R14: 0000000[ 59.809619] ---[ end trace 887145289f1cd360 ]--- 000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace[ 59.820988] lkdtm: Negative detected: saturated :': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 51.290217] lkdtm: Performing direct entry EXEC_VMALLOC # [ 51.298762] lkdtm: attempting ok execution at ffffffff8acb2340 # [ 51.311516] lkdtm: attempting bad execution at ffffa5ea8064b000 # [ 51.324344] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.338911] BUG: unable to handle page fault for address: ffffa5ea8064b000 # [ 51.346590] #PF: supervisor instruction fetch in kernel mode # [ 51.352908] #PF: error_code(0x0011) - permissions violation # [ 51.359130] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104eb3067 PTE 80000001034ee063 # [ 51.374389] Oops: 0011 [#8] SMP PTI # [ 51.378281] CPU: 1 PID: 173[ 59.903003] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 59.914410] lkdtm: attempting bad refcount_dec_and_test() below zero [ 59.921552] ------------[ cut here ]------------ [ 59.926740] refcount_t: underflow; use-after-free. [ 59.932118] WARNING: CPU: 2 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 6 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ [ 59.941456] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 51.386929] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 59.974100] CPU: 2 PID: 2252 Comm: cat Tainted: G D W 5.10.126-cip11 #1 0 # [ 51.393733] RIP: 0010:0xffffa5ea8064b000 # [ 51.39810[ 59.988966] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 9] Code: Unable to access opcode bytes at RIP 0xffffa5ea8064afd6[ 60.001992] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 . # [ 51.405784] RSP: 0018:ffffa5ea823d7e38 EFLAGS: 00010246[ 60.013949] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 # [ 51.411615] RAX: 0000000000000033 RBX: 0000000000000001 RC[ 60.041154] RSP: 0018:ffffa5ea82bcfe40 EFLAGS: 00010286 X: 0000000000000000 # [ 51.419582] RDX: 0000000000000000 RSI:[ 60.053206] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 60.067393] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 # [ 51.427563] RBP: f[ 60.075370] RBP: ffffffff8bcbff68 R08: 0000000000000000 R09: 0000000000000000 fffa5ea8064b000 R08: 0000000000000000 R09: 0000000000000000 # [[ 60.089554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 51.435536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 60.103743] R13: ffffa5ea82bcff10 R14: ffffa5ea82bcff10 R15: ffff9fe005db8000 00000000000000d # [ 51.443512] R13: ffffa5ea823d7f10 R14: fff[ 60.117936] FS: 00007ff407582580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 60.133193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fa5ea823d7f10 R15: ffff9fe0034ee000 # [ 51.451480] FS: 00007[ 60.139613] CR2: 00007ff40739b000 CR3: 0000000105dbc005 CR4: 00000000003706e0 f9b6a6bf580(0000) GS:ffff9fe07ac80000(0000) knlGS:00000000000000[ 60.153802] Call Trace: 00 # [ 51.460518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 60.162749] __refcount_sub_and_test.constprop.0+0x34/0x40 050033 # [ 51.466924] CR2: ffffa5ea8064afd6 CR3: 0000000104e5[ 60.175093] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 a005 CR4: 00000000003706e0 # [ 51.474893] Call Trace: # [ [ 60.187532] direct_entry.cold+0x2c/0x38 51.477621] ? execute_location+0x48/0x56 # [ 51.482097] ? lk[ 60.198130] full_proxy_write+0x56/0x80 dtm_EXEC_VMALLOC+0x20/0x30 # [ 51.492974] ? direct_entry.col[ 60.208629] vfs_write+0xea/0x390 d+0x2c/0x38 # [ 51.497561] ? full_proxy_write+0x56/0x80 # [[ 60.218545] ksys_write+0x68/0xe0 51.502035] ? vfs_write+0xea/0x390 # [ 51.505925] ? ksys_[ 60.228464] do_syscall_64+0x33/0x40 write+0x68/0xe0 # [ 51.509816] ? do_syscall_64+0x33/0x40 # [ 60.238674] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.513989] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 60.250532] RIP: 0033:0x7ff4074aaf33 51.519821] Modules linked in: fuse ip_tables cros_ec_sensors c[ 60.260741] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 60.287944] RSP: 002b:00007ffed120d6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 strialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec[ 60.302620] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff4074aaf33 [ 60.316810] RDX: 000000000000001f RSI: 00007ff40739b000 RDI: 0000000000000001 _lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_[ 60.324784] RBP: 00007ff40739b000 R08: 00007ff40739a010 R09: 0000000000000000 [ 60.338969] R10: 00007ff4075a51c0 R11: 0000000000000246 R12: 0000000000000001 usbpd_notify # [ 51.552455] CR2: ffffa5ea8064b000 # [ 51.5[ 60.346942] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56153] ---[ end trace 887145289f1cd352 ]--- # [ 51.561298] RI[ 60.361130] irq event stamp: 0 [ 60.370750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.377777] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.386938] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.396075] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.403075] ---[ end trace 887145289f1cd361 ]--- P: 0010:lkdtm_BUG+0x5/0x10 # [ 51.565665] Code: 56 a5 ff 48 c[ 60.408232] lkdtm: Negative detected: saturated 7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 51.586646] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 51.592478] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.600446] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 51.608414] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 51.616380] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.624348] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 51.632315] FS: 00007f9b6a6bf580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 51.641350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 60.497562] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 60.507962] lkdtm: attempting bad refcount_sub_and_test() below zero [ 60.515064] ------------[ cut here ]------------ [ 60.520223] refcount_t: underflow; use-after-free. [ 60.525586] WARNING: CPU: 3 PID: 2287 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 60.534924] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.561388] CPU: 3 PID: 2287 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 60.570038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.576844] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 60.582580] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 [ 60.603561] RSP: 0018:ffffa5ea82c27e40 EFLAGS: 00010286 [ 60.609396] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 60.617366] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 60.625336] RBP: ffffffff8bcbff88 R08: 0000000000000000 R09: 0000000000000000 [ 60.633304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 60.641275] R13: ffffa5ea82c27f10 R14: ffffa5ea82c27f10 R15: ffff9fe00361f000 [ 60.649247] FS: 00007f2c03147580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 60.658285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.664701] CR2: 00007f2c02f60000 CR3: 000000010541e006 CR4: 00000000003706e0 [ 60.672669] Call Trace: [ 60.675391] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 60.681557] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 51.647764] CR2: ffffa5ea8064afd6 CR3: 0000000104e5a005 CR4: 000[ 60.687818] direct_entry.cold+0x2c/0x38 00000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 self[ 60.698410] full_proxy_write+0x56/0x80 [ 60.708905] vfs_write+0xea/0x390 [ 60.712604] ksys_write+0x68/0xe0 [ 60.716303] do_syscall_64+0x33/0x40 [ 60.720296] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.725936] RIP: 0033:0x7f2c0306ff33 [ 60.729926] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.750930] RSP: 002b:00007ffed56965a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.s[ 60.759399] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2c0306ff33 [ 60.773579] RDX: 000000000000001f RSI: 00007f2c02f60000 RDI: 0000000000000001 [ 60.781568] RBP: 00007f2c02f60000 R08: 00007f2c02f5f010 R09: 0000000000000000 [ 60.789558] R10: 00007f2c0316a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.797528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 h # Killed # [ 51.726216] lkdtm: Performing direct entry EXE[ 60.805516] irq event stamp: 0 [ 60.815137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.822139] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.831274] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.840409] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.847408] ---[ end trace 887145289f1cd362 ]--- [ 60.852562] lkdtm: Negative detected: saturated C_RODATA # [ 51.736077] lkdtm: attempting ok execution at ffffffff8acb2340 # [ 51.748826] lkdtm: attempting bad execution at ffffffff8b8d9f00 # [ 51.761676] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.776206] BUG: unable to handle page fault for address: ffffffff8b8d9f00 # [ 51.783883] #PF: supervisor instruction fetch in kernel mode # [ 51.790200] #PF: error_code(0x0011) - permissions violation # [ 51.796420] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 80000001716000e1 # [ 51.804196] Oops: 0011 [#9] SMP PTI # [ 51.808087] CPU: 0 PID: 1772 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 51.816734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.823539] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 51.829298] Code: ff ff df a[ 60.936602] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 2 2f 8b ff ff ff ff 92 04 cc 8b ff ff ff ff 95 8a 2f 8b ff ff ff[ 60.944779] lkdtm: attempting safe refcount_inc_not_zero() from zero ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 60.958093] lkdtm: Good: zero detected 0 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 5[ 60.968492] lkdtm: Correctly stayed at zero 1.850275] RSP: 0018:ffffa5ea8244fe48 EFLAGS: 00010246 # [ 51.[ 60.979377] lkdtm: attempting bad refcount_inc() from zero [ 60.991718] ------------[ cut here ]------------ 856107] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000[ 60.996875] refcount_t: addition on 0; use-after-free. 000000000 # [ 51.864074] RDX: 0000000000000000 RSI: ffff9fe07[ 61.008856] WARNING: CPU: 1 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 ac1bf70 RDI: ffff9fe07ac1bf70 # [ 51.872042] RBP: ffffffff8b8[ 61.024394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 51.8800[ 61.057039] CPU: 1 PID: 2319 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 61.071900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 10] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 61.078709] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 61.090656] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 0000c # [ 51.887976] R13: ffffa5ea8244ff10 R14: ffffa5ea8244f[ 61.111641] RSP: 0018:ffffa5ea82ccfe48 EFLAGS: 00010286 [ 61.123685] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 61.131656] RDX: ffff9fe07acac660 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 [ 61.139627] RBP: ffffffff8bcc0329 R08: 0000000000000000 R09: 0000000000000000 [ 61.147598] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 61.155568] R13: ffffa5ea82ccff10 R14: ffffa5ea82ccff10 R15: ffff9fe0038ce000 f10 R15: ffff9fe003668000 # [ 51.895943] FS: 00007f3c8437a58[ 61.163577] FS: 00007fe533636580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 [ 61.178835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.185253] CR2: 00007fe53344f000 CR3: 0000000102bf2006 CR4: 00000000003706e0 [ 61.193223] Call Trace: 0(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ [ 61.195943] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd 51.904978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.207143] direct_entry.cold+0x2c/0x38 [ 51.911393] CR2: ffffffff8b8d9f00 CR3: 0000000105dac006 CR4: [ 61.217738] full_proxy_write+0x56/0x80 [ 61.228238] vfs_write+0xea/0x390 00000000003706f0 # [ 51.919359] Call Trace: # [ 51.922086][ 61.231962] ksys_write+0x68/0xe0 ? execute_location+0x48/0x56 # [ 51.926567] ? direct_entry[ 61.241874] do_syscall_64+0x33/0x40 .cold+0x2c/0x38 # [ 51.931130] ? full_proxy_write+0x56/0x80[ 61.252082] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.935602] ? vfs_write+0xea/0x390 # [ 51.939511] ? k[ 61.263938] RIP: 0033:0x7fe53355ef33 [ 61.274142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 sys_write+0x68/0xe0 # [ 51.943400] ? do_syscall_64+0x33/0x40[ 61.295128] RSP: 002b:00007ffe98c4f728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.309796] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe53355ef33 # [ 51.947581] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.317769] RDX: 0000000000000012 RSI: 00007fe53344f000 RDI: 0000000000000001 [ 61.331952] RBP: 00007fe53344f000 R08: 00007fe53344e010 R09: 0000000000000000 [ 61.339924] R10: 00007fe5336591c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.347896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.953416] Modules linked in: fuse ip_tables cros_ec_senso[ 61.355861] irq event stamp: 0 [ 61.365482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 61.372521] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.387867] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cro[ 61.397006] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.410217] ---[ end trace 887145289f1cd363 ]--- [ 61.415372] lkdtm: Zero detected: saturated s_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.979849] CR2: ffffffff8b8d9f00 # [ 51.983555] ---[ end trace 887145289f1cd353 ]--- # [ 51.988707] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.993082] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 52.014062] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 52.019895] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.027863] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 52.035832] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 52.043800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 61.500676] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 61.507344] lkdtm: attempting safe refcount_add_not_zero() from zero [ 61.514453] lkdtm: Good: zero detected 000004 # [ 52.051768] R13: ffffa5ea81477f10 R14: ffffa5ea8147[ 61.518647] lkdtm: Correctly stayed at zero 7f10 R15: ffff9fe0040d9000 # [ 52.059736] FS: 00007f3c8437a5[ 61.529531] lkdtm: attempting bad refcount_add() from zero [ 61.541872] ------------[ cut here ]------------ [ 61.547028] refcount_t: addition on 0; use-after-free. [ 61.552796] WARNING: CPU: 3 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 80(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ [ 61.562133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.594763] CPU: 3 PID: 2351 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 61.603412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.610211] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 61.615949] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d [ 61.636931] RSP: 0018:ffffa5ea82d4fe48 EFLAGS: 00010286 [ 61.642765] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 61.650736] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 61.658707] RBP: ffffffff8bcc033b R08: 0000000000000000 R09: 0000000000000000 [ 61.666676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 61.674637] R13: ffffa5ea82d4ff10 R14: ffffa5ea82d4ff10 R15: ffff9fe004fcb000 [ 61.682609] FS: 00007f1c7ecdb580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 61.691648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.698065] CR2: 00007f1c7eaf4000 CR3: 00000001036e4004 CR4: 00000000003706e0 [ 61.706036] Call Trace: [ 61.708766] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 61.713753] direct_entry.cold+0x2c/0x38 [ 61.718134] full_proxy_write+0x56/0x80 [ 61.722417] vfs_write+0xea/0x390 [ 61.726116] ksys_write+0x68/0xe0 [ 61.729815] do_syscall_64+0x33/0x40 [ 61.733807] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.739448] RIP: 0033:0x7f1c7ec03f33 [ 61.743438] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.764421] RSP: 002b:00007ffd4527d768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.772876] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c7ec03f33 [ 61.780846] RDX: 0000000000000012 RSI: 00007f1c7eaf4000 RDI: 0000000000000001 [ 61.788816] RBP: 00007f1c7eaf4000 R08: 00007f1c7eaf3010 R09: 0000000000000000 [ 61.796786] R10: 00007f1c7ecfe1c0 R11: 0000000000000246 R12: 0000000000000001 52.068770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 61.804761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.075184] CR2: ffffffff8b8d9f00 CR3: 0000000105dac006 CR4:[ 61.818946] irq event stamp: 0 [ 61.828571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.835574] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.844735] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.853870] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.860861] ---[ end trace 887145289f1cd364 ]--- [ 61.866020] lkdtm: Zero detected: saturated 00000000003706f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 52.255059] lkdtm: Performing direct entry EXEC_USERSPACE # [ 52.263276] lkdtm: attempting ok execution at ffffffff8acb2340 # [ 52.276019] lkdtm: attempting bad execution at 00007fbbf1ec3000 # [ 52.288827] unable to execute userspace code (SMEP?) (uid: 0) # [ 52.301456] BUG: unable to handle page fault for address: 00007fbbf1ec3000 # [ 52.309134] #PF: supervisor instruction fetch in kernel mode # [ 52.315441] #PF: error_code(0x0011) - permissions violation # [ 52.321662] PGD 8000000103857067 P4D 8000000103857067 PUD 105683067 PMD 105db9067 PTE 114771067 # [ 52.331382] Oops: 0011 [#10] SMP PTI # [ 52.341583] CPU: 1 PID: 1808 Comm: cat Tainted: G [ 61.947281] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 61.958354] lkdtm: attempting bad refcount_inc() from saturated [ 61.965000] ------------[ cut here ]------------ [ 61.970156] refcount_t: saturated; leaking memory. D W 5.10.126-cip11 #1 # [ 52.350230] Hardware nam[ 61.975526] WARNING: CPU: 3 PID: 2386 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 61.991071] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.357034] RIP:[ 62.017538] CPU: 3 PID: 2386 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 62.032396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.039203] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 62.044941] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a [ 62.065926] RSP: 0018:ffffa5ea82dc7e48 EFLAGS: 00010286 [ 62.071762] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0010:0x7fbbf1ec3000 # [ 52.361022] Code: Unable to access op[ 62.079736] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 code bytes at RIP 0x7fbbf1ec2fd6. # [ 52.368310] RSP: 0018:ff[ 62.093925] RBP: ffffffff8bcc034d R08: 0000000000000000 R09: 0000000000000000 [ 62.108114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 62.116115] R13: ffffa5ea82dc7f10 R14: ffffa5ea82dc7f10 R15: ffff9fe005d67000 [ 62.124088] FS: 00007f4771e37580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 62.133128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.139572] CR2: 00007f4771c50000 CR3: 0000000104a4a005 CR4: 00000000003706e0 [ 62.147577] Call Trace: [ 62.150337] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 62.155818] direct_entry.cold+0x2c/0x38 [ 62.160232] full_proxy_write+0x56/0x80 [ 62.164547] vfs_write+0xea/0x390 [ 62.168248] ksys_write+0x68/0xe0 [ 62.171953] do_syscall_64+0x33/0x40 [ 62.175947] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.181619] RIP: 0033:0x7f4771d5ff33 [ 62.185611] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.206596] RSP: 002b:00007fffea4a4448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.215056] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4771d5ff33 [ 62.223031] RDX: 0000000000000017 RSI: 00007f4771c50000 RDI: 0000000000000001 [ 62.231004] RBP: 00007f4771c50000 R08: 00007f4771c4f010 R09: 0000000000000000 [ 62.238976] R10: 00007f4771e5a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.246949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.254926] irq event stamp: 0 [ 62.258365] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.265372] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.274563] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.283701] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.290703] ---[ end trace 887145289f1cd365 ]--- [ 62.295859] lkdtm: Saturation detected: still saturated ffa5ea824ffe50 EFLAGS: 00010246 # [ 52.374142] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 52.382109] RDX: 0000000000000000 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 # [ 52.390078] RBP: 00007fbbf1ec3000 R08: 0000000000000000 R09: 0000000000000000 # [ 52.398046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 52.406014] R13: ffffa5ea824fff10 R14: ffffa5ea824fff10 R15: ffff9fe0035f2000 # [ 52.413982] FS: 00007fbbf1e94580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 52.423017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.429430] CR2: 00007fbbf1ec3000 CR3: 0000000102bfa004 CR4: 00000000003706e0 # [ 52.437397] Call Trace: # [ 52.440125] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 52.445473] ? direct_entry.cold+0x2c/0x38 # [ 52.456257] ? full_proxy_write+0x56/0x80 # [ 52.460731] ? vfs_write+0xea/0x390 # [ 52.464623] ? ksys_write+0x68/0xe0 # [ 52.468512] ? do_syscall_64+0x33/0x40 # [ 52.472695] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.478530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.511163] CR2: 00007fbbf1ec3000 # [ 52.514858] ---[ end trace 887145289f1cd354 ]--- # [ 52.520011] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.524379] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 52.545359] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 52.551190] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.559158] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 52.567125] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 52.575091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.583057] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 52.591025] FS: 00007fbbf1e94580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 52.600060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.606474] CR2: 00007fbbf1ec3000 CR3: 0000000102bfa004 CR4: 00000000003706e0 # [ 52.614441] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.624351] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1808, name: cat # [ 52.632804] INFO: lockdep is turned off. # [ 52.637179] irq event stamp: 0 # [ 52.640583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.647581] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.656715] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.665847] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.672844] CPU: 1 PID: 1808 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 52.681512] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.688313] Call Trace: # [ 52.691039] dump_stack+0x77/0x97 # [ 52.694739] ___might_sleep.cold+0xa6/0xb6 # [ 52.705521] exit_signals+0x1c/0x2d0 # [ 52.709512] do_exit+0xd5/0xb00 # [ 52.713015] ? ksys_write+0x68/0xe0 # [ 52.716905] rewind_stack_do_exit+0x17/0x20 # [ 52.721572] RIP: 0033:0x7fbbf1dbcf33 # [ 52.725560] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.746557] RSP: 002b:00007ffd92899a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.755011] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbbf1dbcf33 # [ 52.762980] RDX: 000000000000000f RSI: 00007fbbf1cad000 RDI: 0000000000000001 # [ 52.770947] RBP: 00007fbbf1cad000 R08: 00007fbbf1cac010 R09: 0000000000000000 # [ 52.778915] R10: 00007fbbf1eb71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.786882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 52.872132] lkdtm: Performing direct entry EXEC_NULL # [ 52.881199] lkdtm: attempting ok execution at ffffffff8acb2340 # [ 52.887746] lkdtm: attempting bad execution at 0000000000000000 # [ 52.894378] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 52.908351] #PF: supervisor instruction fetch in kernel mode # [ 52.914668] #PF: error_code(0x0010) - not-present page # [ 52.920404] PGD 0 P4D 0 # [ 52.923227] Oops: 0010 [#11] SMP PTI # [ 52.927215] CPU: 2 PID: 1844 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 52.935862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.942666] RIP: 0010:0x0 # [ 52.945586] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 52.953252] RSP: 0018:ffffa5ea82567e48 EFLAGS: 00010246 # [ 52.959083] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 52.967050] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 # [ 52.975017] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 52.982985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.990951] R13: ffffa5ea82567f10 R14: ffffa5ea82567f10 R15: ffff9fe002be1000 # [ 52.998918] FS: 00007fb7c769b580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 53.007953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.014366] CR2: ffffffffffffffd6 CR3: 0000000104e5a006 CR4: 00000000003706e0 # [ 53.022333] Call Trace: # [ 53.025062] execute_location+0x48/0x56 # [ 53.029340] direct_entry.cold+0x2c/0x38 # [ 53.033716] full_proxy_write+0x56/0x80 # [ 53.037988] vfs_write+0xea/0x390 # [ 53.041682] ksys_write+0x68/0xe0 # [ 53.045379] do_syscall_64+0x33/0x40 # [ 53.049359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.054997] RIP: 0033:0x7fb7c75c3f33 # [ 53.058985] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.079969] RSP: 002b:00007ffdb77bea08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.088425] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb7c75c3f33 # [ 53.096395] RDX: 000000000000000a [ 62.969414] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 62.980412] lkdtm: attempting bad refcount_dec() from saturated RSI: 00007fb7c74b4000 RDI: 0000000000000001 # [ 53.104352] RB[ 62.987036] ------------[ cut here ]------------ [ 62.998399] refcount_t: decrement hit 0; leaking memory. [ 63.004357] WARNING: CPU: 2 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 P: 00007fb7c74b4000 R08: 00007fb7c74b3010 R09: 0000000000000000[ 63.013695] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.046325] CPU: 2 PID: 2421 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 63.054974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.061771] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 63.067514] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 53.112320] R10: 00007fb7c76be1c0 R11: 0000000000000246 R1[ 63.088499] RSP: 0018:ffffa5ea82e3fe48 EFLAGS: 00010286 [ 63.100559] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 63.108531] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 [ 63.116514] RBP: ffffffff8bcc0364 R08: 0000000000000000 R09: 0000000000000000 [ 63.124484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 63.132455] R13: ffffa5ea82e3ff10 R14: ffffa5ea82e3ff10 R15: ffff9fe0055ec000 [ 63.140427] FS: 00007f638bb67580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 [ 63.149464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.155872] CR2: 00007f638b980000 CR3: 0000000104f40006 CR4: 00000000003706e0 [ 63.163842] Call Trace: [ 63.166574] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 63.172022] direct_entry.cold+0x2c/0x38 [ 63.176402] full_proxy_write+0x56/0x80 [ 63.180684] vfs_write+0xea/0x390 [ 63.184382] ksys_write+0x68/0xe0 [ 63.188100] do_syscall_64+0x33/0x40 2: 0000000000000001 # [ 53.120287] R13: 0000000000000001 R14:[ 63.192099] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.203950] RIP: 0033:0x7f638ba8ff33 [ 63.207940] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.228924] RSP: 002b:00007ffc0f9f10a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.237380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f638ba8ff33 0000000000020000 R15: 0000000000020000 # [ 53.128256] Module[ 63.245353] RDX: 0000000000000017 RSI: 00007f638b980000 RDI: 0000000000000001 s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 63.259540] RBP: 00007f638b980000 R08: 00007f638b97f010 R09: 0000000000000000 [ 63.273729] R10: 00007f638bb8a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.281698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.289660] irq event stamp: 0 [ 63.293068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.300072] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.309233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.318368] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.325369] ---[ end trace 887145289f1cd366 ]--- [ 63.330524] lkdtm: Saturation detected: still saturated industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.154710] CR2: 0000000000000000 # [ 53.164619] ---[ end trace 887145289f1cd355 ]--- # [ 53.169781] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.174155] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 53.195136] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 53.200968] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.208935] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 53.216902] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 53.224870] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.232837] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 53.240804] FS: 00007fb7c769b580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 53.249840] CS: 0010 D[ 63.443987] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED S: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.256254] CR2: ff[ 63.455107] lkdtm: attempting bad refcount_dec() from saturated ffffffffffffd6 CR3: 0000000104e5a006 CR4: 00000000003706e0 # EX[ 63.467942] ------------[ cut here ]------------ EC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NUL[ 63.479312] refcount_t: saturated; leaking memory. L.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 5[ 63.490903] WARNING: CPU: 1 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 3.341918] lkdtm: Performing direct entry ACCESS_USERSPACE # [ [ 63.506425] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 53.351297] lkdtm: attempting bad read at 00007f0f94dfb000 # [ [ 63.539063] CPU: 1 PID: 2456 Comm: cat Tainted: G D W 5.10.126-cip11 #1 53.357439] BUG: unable to handle page fault for address: 00007[ 63.553932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f0f94dfb000 # [ 53.365121] #PF: supervisor read access in ker[ 63.566954] RIP: 0010:refcount_warn_saturate+0x49/0xf0 nel mode # [ 53.370858] #PF: error_code(0x0001) - permissions[ 63.578906] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a violation # [ 53.377080] PGD 800000010567e067 P4D 8000000105[ 63.606127] RSP: 0018:ffffa5ea82eb7e48 EFLAGS: 00010286 67e067 PUD 104183067 PMD 105457067 PTE 10780b067 # [ 53.39301[ 63.618159] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 63.632342] RDX: ffff9fe07acac660 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 [ 63.640314] RBP: ffffffff8bcc037b R08: 0000000000000000 R09: 0000000000000000 6] Oops: 0001 [#12] SMP PTI # [ 53.397004] CPU: 3 PID: 1879 C[ 63.648287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 63.662466] R13: ffffa5ea82eb7f10 R14: ffffa5ea82eb7f10 R15: ffff9fe00336f000 [ 63.670439] FS: 00007fbf69015580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 omm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 53[ 63.679479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.692108] CR2: 00007fbf68e2e000 CR3: 000000010565c001 CR4: 00000000003706e0 [ 63.700082] Call Trace: .405653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.702817] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 53.412460] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f[ 63.714472] direct_entry.cold+0x2c/0x38 # [ 53.418682] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 [ 63.725068] full_proxy_write+0x56/0x80 5d c3 48 89 ee 48 c7 c7 b0 11 cc 8b e8 73 9d fd ff 48 c7 c7 d8 1[ 63.735569] vfs_write+0xea/0x390 [ 63.745483] ksys_write+0x68/0xe0 [ 63.749208] do_syscall_64+0x33/0x40 1 cc 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff [ 63.753201] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.765051] RIP: 0033:0x7fbf68f3df33 48 89 ee 48 c7 c7 00 12 cc # [ 53.445873] RSP: 0018:ffffa5ea8[ 63.769043] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.796234] RSP: 002b:00007fff5a276328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2617e48 EFLAGS: 00010246 # [ 53.451705] RAX: 00000000c0dec0de[ 63.804695] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbf68f3df33 [ 63.818876] RDX: 0000000000000017 RSI: 00007fbf68e2e000 RDI: 0000000000000001 RBX: 0000000000000026 RCX: 0000000000000000 # [ 53.459671] R[ 63.826848] RBP: 00007fbf68e2e000 R08: 00007fbf68e2d010 R09: 0000000000000000 [ 63.841036] R10: 00007fbf690381c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.849010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.856994] irq event stamp: 0 DX: 0000000000000000 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc11d8[ 63.860404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.467638] RBP: 00007f0f94dfb000 R08: 0000000000000000 R[ 63.873613] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.888964] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.898102] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.905102] ---[ end trace 887145289f1cd367 ]--- [ 63.910259] lkdtm: Saturation detected: still saturated 09: 0000000000000000 # [ 53.475604] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 53.483573] R13: ffffa5ea82617f10 R14: ffffa5ea82617f10 R15: ffff9fe004d88000 # [ 53.491540] FS: 00007f0f94dcc580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 53.500596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.507010] CR2: 00007f0f94dfb000 CR3: 00000001041dc003 CR4: 00000000003706e0 # [ 53.514977] Call Trace: # [ 53.517704] direct_entry.cold+0x2c/0x38 # [ 53.522081] full_proxy_write+0x56/0x80 # [ 53.526361] vfs_write+0xea/0x390 # [ 53.530057] ksys_write+0x68/0xe0 # [ 53.533753] do_syscall_64+0x33/0x40 # [ 53.537739] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.543378] RIP: 0033:0x7f0f94cf4f33 # [ 53.547365] Code: 8b 15 61 ef 0c 00 f7 d8[ 63.993917] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 64.004635] lkdtm: attempting bad refcount_inc_not_zero() from saturated 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 64.018341] ------------[ cut here ]------------ c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.568343] RSP[ 64.029712] refcount_t: saturated; leaking memory. : 002b:00007ffe91d46f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 64.041316] WARNING: CPU: 0 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 001 # [ 53.576795] RAX: ffffffffffffffda RBX: 000000000000001[ 64.056853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 RCX: 00007f0f94cf4f33 # [ 53.584763] RDX: 0000000000000011 [ 64.089516] CPU: 0 PID: 2488 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 64.104343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RSI: 00007f0f94be5000 RDI: 0000000000000001 # [ 53.592729] RB[ 64.111185] RIP: 0010:refcount_warn_saturate+0x87/0xf0 P: 00007f0f94be5000 R08: 00007f0f94be4010 R09: 0000000000000000[ 64.123143] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb # [ 53.600696] R10: 00007f0f94def1c0 R11: 0000000000000246 R1[ 64.150366] RSP: 0018:ffffa5ea82f57e38 EFLAGS: 00010282 [ 64.162403] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 2: 0000000000000001 # [ 53.608663] R13: 0000000000000001 R14:[ 64.170411] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 0000000000020000 R15: 0000000000020000 # [ 53.616633] Module[ 64.184606] RBP: ffffffff8bcbffa8 R08: 0000000000000000 R09: 0000000000000000 s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 64.198770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_se[ 64.212988] R13: ffffa5ea82f57f10 R14: ffffa5ea82f57f10 R15: ffff9fe005411000 nsorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_c[ 64.227182] FS: 00007febb0404580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 hardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 64.242502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 53.643088] CR2: 00007f0f94dfb000 # [ 53.646776] ---[ end tra[ 64.255154] CR2: 00007febb021d000 CR3: 00000001036e4001 CR4: 00000000003706f0 ce 887145289f1cd356 ]--- # [ 53.651929] RIP: 0010:lkdtm_BUG+0[ 64.269340] Call Trace: x5/0x10 # [ 53.656304] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb[ 64.278284] __refcount_add_not_zero.constprop.0+0x2a/0x31 e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc [ 64.290665] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 64.303220] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 53.677283] RSP: 0018:ff[ 64.313825] full_proxy_write+0x56/0x80 ffa5ea81477e60 EFLAGS: 00010282 # [ 53.683115] RAX: ffffffff8[ 64.324314] vfs_write+0xea/0x390 acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.69[ 64.334231] ksys_write+0x68/0xe0 1082] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8[ 64.344182] do_syscall_64+0x33/0x40 b8d9a70 # [ 53.699049] RBP: ffffffff8bd1b490 R08: 00000000000[ 64.354382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00001 R09: 0000000000000001 # [ 53.707016] R10: 00000000ffffe[ 64.366271] RIP: 0033:0x7febb032cf33 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.714983[ 64.376472] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9[ 64.403685] RSP: 002b:00007ffe04e93b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000 # [ 53.722949] FS: 00007f0f94dcc580(0000) GS:ffff9fe07ad[ 64.418350] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007febb032cf33 80000(0000) knlGS:0000000000000000 # [ 53.731985] CS: 0010 D[ 64.432565] RDX: 0000000000000020 RSI: 00007febb021d000 RDI: 0000000000000001 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.738399] CR2: 00[ 64.446750] RBP: 00007febb021d000 R08: 00007febb021c010 R09: 0000000000000000 007f0f94dfb000 CR3: 00000001041dc003 CR4: 00000000003706e0 # [ [ 64.460962] R10: 00007febb04271c0 R11: 0000000000000246 R12: 0000000000000001 53.746366] BUG: sleeping function called from invalid context [ 64.475136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at include/linux/percpu-rwsem.h:49 # [ 53.756278] in_atomic()[ 64.489329] irq event stamp: 0 : 0, irqs_disabled(): 1, non_block: 0, pid: 1879, name: cat # [[ 64.498951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 53.764731] INFO: lockdep is turned off. # [ 53.769106] irq[ 64.512202] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 event stamp: 0 # [ 53.772510] hardirqs last enabled at (0):[ 64.527538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [<0000000000000000>] 0x0 # [ 53.779514] hardirqs last disabl[ 64.542928] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed at (0): [] copy_process+0x63c/0x1c80 # [ [ 64.556133] ---[ end trace 887145289f1cd368 ]--- 53.788646] softirqs last enabled at (0): [] [ 64.567563] lkdtm: Saturation detected: still saturated copy_process+0x63c/0x1c80 # [ 53.797778] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.804775] CPU: 3 PID: 1879 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 53.813421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.820222] Call Trace: # [ 53.822948] dump_stack+0x77/0x97 # [ 53.826646] ___might_sleep.cold+0xa6/0xb6 # [ 53.831216] exit_signals+0x1c/0x2d0 # [ 53.835205] do_exit+0xd5/0xb00 # [ 53.838706] ? ksys_write+0x68/0xe0 # [ 53.842597] rewind_stack_do_exit+0x17/0x20 # [ 53.847263] RIP: 0033:0x7f0f94cf4f33 # [ 53.851249] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.872228] RSP: 002b:00007ffe91d46f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.880681] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0f94cf4f33 # [ 53.888649] RDX: 0000000000000011 RSI: 00007f0f94be5000 RDI: 0000000000000001 # [ 53.89661[ 64.684217] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 64.693147] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 64.700639] ------------[ cut here ]------------ [ 64.705796] refcount_t: saturated; leaking memory. [ 64.711159] WARNING: CPU: 3 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 7] RBP: 00007f0f94be5000 R08: 00007f0f94be4010 R09: 000000000000[ 64.720512] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.753155] CPU: 3 PID: 2520 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 64.761804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.768610] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 64.774349] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb [ 64.795331] RSP: 0018:ffffa5ea82fd7e38 EFLAGS: 00010282 [ 64.801167] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 64.809140] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 64.817110] RBP: ffffffff8bcbffc8 R08: 0000000000000000 R09: 0000000000000000 [ 64.825072] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 64.833043] R13: ffffa5ea82fd7f10 R14: ffffa5ea82fd7f10 R15: ffff9fe0054b8000 [ 64.841014] FS: 00007f7dbd606580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 0000 # [ 53.904584] R10: 00007f0f94def1c0 R11: 00000000000002[ 64.850055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.862689] CR2: 00007f7dbd41f000 CR3: 000000010340a001 CR4: 00000000003706e0 46 R12: 0000000000000001 # [ 53.912563] R13: 0000000000000001[ 64.870662] Call Trace: R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE[ 64.879607] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 64.891949] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 64.898300] direct_entry.cold+0x2c/0x38 [ 64.902681] full_proxy_write+0x56/0x80 [ 64.906964] vfs_write+0xea/0x390 [ 64.910663] ksys_write+0x68/0xe0 [ 64.914363] do_syscall_64+0x33/0x40 [ 64.918353] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.923995] RIP: 0033:0x7f7dbd52ef33 [ 64.928006] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPAC[ 64.949006] RSP: 002b:00007ffe2e47f7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.963669] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7dbd52ef33 [ 64.971638] RDX: 0000000000000020 RSI: 00007f7dbd41f000 RDI: 0000000000000001 [ 64.979609] RBP: 00007f7dbd41f000 R08: 00007f7dbd41e010 R09: 0000000000000000 [ 64.987570] R10: 00007f7dbd6291c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.995534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.003527] irq event stamp: 0 [ 65.006934] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.013935] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.023072] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.032208] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.039198] ---[ end trace 887145289f1cd369 ]--- [ 65.044355] lkdtm: Saturation detected: still saturated E.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 53.998783] lkdtm: Performing direct entry ACCESS_NULL # [ 54.007249] lkdtm: attempting bad read at 0000000000000000 # [ 54.019624] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 54.033567] #PF: supervisor read access in kernel mode # [ 54.039301] #PF: error_code(0x0000) - not-present page # [ 54.045036] PGD 0 P4D 0 # [ 54.047858] Oops: 0000 [#13] SMP PTI # [ 54.051846] CPU: 0 PID: 1914 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 54.060484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.067291] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 54.072545] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 cc 8b e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 cc 8b 48 01 # [[ 65.133683] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 54.093523] RSP: 0018:ffffa5ea8266fe58 EFLAGS: 00010246 # [ [ 65.144967] lkdtm: attempting bad refcount_dec_and_test() from saturated 54.099356] RAX: 000000000000002e RBX: 0000000000000027 RCX: 000[ 65.158641] ------------[ cut here ]------------ 0000000000000 # [ 54.107325] RDX: 0000000000000000 RSI: ffff9[ 65.170025] refcount_t: underflow; use-after-free. fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 54.115284] RBP: fffffff[ 65.181650] WARNING: CPU: 0 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 f8bcc02a1 R08: 0000000000000000 R09: 0000000000000000 # [ 54.[ 65.197152] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 123252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 65.229818] CPU: 0 PID: 2555 Comm: cat Tainted: G D W 5.10.126-cip11 #1 00000000c # [ 54.131218] R13: ffffa5ea8266ff10 R14: ffffa5ea8[ 65.244696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 266ff10 R15: ffff9fe00555b000 # [ 54.139187] FS: 00007fb6d1c[ 65.257782] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 e7580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 65.269680] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 [ 54.148225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 65.296888] RSP: 0018:ffffa5ea8303fe40 EFLAGS: 00010286 # [ 54.154639] CR2: 0000000000000000 CR3: 000000010551e005 C[ 65.308919] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 R4: 00000000003706f0 # [ 54.162605] Call Trace: # [ 54.165[ 65.323111] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 333] direct_entry.cold+0x2c/0x38 # [ 54.169717] full_proxy_[ 65.337292] RBP: ffffffff8bcbffe8 R08: 0000000000000000 R09: 0000000000000000 write+0x56/0x80 # [ 54.174001] vfs_write+0xea/0x390 # [ 5[ 65.351492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 4.177697] ksys_write+0x68/0xe0 # [ 54.181394] do_syscall_64[ 65.365662] R13: ffffa5ea8303ff10 R14: ffffa5ea8303ff10 R15: ffff9fe005dbd000 +0x33/0x40 # [ 54.185382] entry_SYSCALL_64_after_hwframe+0x4[ 65.379876] FS: 00007fd9cd43c580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 4/0xa9 # [ 54.191020] RIP: 0033:0x7fb6d1c0ff33 # [ 54.1950[ 65.395133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 01] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 65.407834] CR2: 00007fd9cd255000 CR3: 0000000104958006 CR4: 00000000003706f0 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 65.421961] Call Trace: 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 65.430938] __refcount_sub_and_test.constprop.0+0x34/0x40 89 54 24 18 # [ 54.215983] RSP: 002b:00007fff293af2d8 EFLAGS:[ 65.443281] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 00000246 ORIG_RAX: 0000000000000001 # [ 54.224437] RAX: ffff[ 65.455873] direct_entry.cold+0x2c/0x38 ffffffffffda RBX: 000000000000000c RCX: 00007fb6d1c0ff33 # [ [ 65.466440] full_proxy_write+0x56/0x80 54.232404] RDX: 000000000000000c RSI: 00007fb6d1b00000 RDI: 0000[ 65.477023] vfs_write+0xea/0x390 000000000001 # [ 54.240372] RBP: 00007fb6d1b00000 R08: 00007f[ 65.486883] ksys_write+0x68/0xe0 b6d1aff010 R09: 0000000000000000 # [ 54.248341] R10: 00007fb6[ 65.496836] do_syscall_64+0x33/0x40 d1d0a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.2[ 65.507032] entry_SYSCALL_64_after_hwframe+0x44/0xa9 56309] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000[ 65.518924] RIP: 0033:0x7fd9cd364f33 00020000 # [ 54.264278] Modules linked in: fuse ip_tables cro[ 65.529123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 s_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer [ 65.556364] RSP: 002b:00007ffeb9c8f3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec[ 65.571021] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd9cd364f33 _sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cro[ 65.585272] RDX: 0000000000000020 RSI: 00007fd9cd255000 RDI: 0000000000000001 s_ec_dev cros_usbpd_notify # [ 54.290713] CR2: 00000000000000[ 65.599413] RBP: 00007fd9cd255000 R08: 00007fd9cd254010 R09: 0000000000000000 00 # [ 54.294408] ---[ end trace 887145289f1cd357 ]--- # [ [ 65.613608] R10: 00007fd9cd45f1c0 R11: 0000000000000246 R12: 0000000000000001 54.299561] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.303929] Code:[ 65.627782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 [ 65.641993] irq event stamp: 0 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <[ 65.651598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 [ 65.664833] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 02 # [ 54.324910] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282[ 65.680173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.330742] RAX: ffffffff8acb1f70 RBX: 0000000000000001 R[ 65.695565] softirqs last disabled at (0): [<0000000000000000>] 0x0 CX: 0000000000000000 # [ 54.338710] RDX: 0000000000000000 RSI[ 65.708748] ---[ end trace 887145289f1cd36a ]--- : ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 54.346678] RBP: [ 65.720137] lkdtm: Saturation detected: still saturated ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 54.354647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.362614] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 54.370583] FS: 00007fb6d1ce7580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 54.379619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.386033] CR2: 0000000000000000 CR3: 000000010551e005 CR4: 00000000003706f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 54.522926] lkdtm: Performing direct entry WRITE_RO # [ 54.529992] lkdtm: attempting bad rodata write at ffffffff8b8d9ef0 # [ 54.543116] BUG: unable to handle page fault for address: ffffffff8b8d9ef0 # [ 54.557005] #PF: supervisor write access in kernel mode # [ 54.562828] #PF: error_code(0x0003) - permissions violation # [ 54.569049] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 80000001716000e1 # [ 54.576829] Oops: 0003 [#14] SMP PTI # [ 54.587030] CPU: 1 PID: 1949 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 54.595668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.602474] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 54.607433] Code: 00 48 c7 c7 90 10 cc 8b 48 c7 c6 f0 9e 8d 8b e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 cc 8b 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 # [ 54.628413] RSP: 0018:ffffa5ea826f7e60 EFLAGS: 00010202 # [ 54.634246] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 54.642213] RDX: 00000000abcd1234 RSI: ffff9fe07ac9bf70 RDI: ffffffff8bcc10c0 # [ 54.650181] RBP: ffffffff8bcc02ad R08: 0000000000000000 R09: 0000000000000000 # [ 54.658148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 54.666116] R13: ffffa5ea826f7f10 R14: ffffa5ea826f7f10 R15: ffff9fe003c1e000 # [ 54.674084] FS: 00007fcf1630a580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 54.683118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.689533] CR2: ffffffff8b8d9ef0 CR3: 0000000104fe6006 CR4: 00000000003706e0 # [ 54.697509] Call Trace: # [ 54.700236] direct_entry.cold+0x2c/0x38 # [ 54.704615] full_proxy_write+0x56/0x80 # [ 54.708895] vfs_write+0xea/0x390 # [ 54.718803] ksys_write+0x68/0xe0 # [ 54.722512] do_syscall_64+0x33/0x40 # [ 54.726512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.732149] RIP: 0033:0x7fcf16232f33 # [ 54.736137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.757117] RSP: 002b:00007fff5718a668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.765571] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcf16232f33 # [ 54.773537] RDX: 0000000000000009 RSI: 00007fcf16123000 RDI: 0000000000000001 # [ 54.781510] RBP: 00007fcf16123000 R08: 00007fcf16122010 R09: 0000000000000000 # [ 54.789478] R10: 00007fcf1632d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.797447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.805419] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.838055] CR2: ffffffff8b8d9ef0 # [ 54.841752] ---[ end trace 887145289f1cd358 ]--- # [ 54.846905] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.851281] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 54.872252] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 54.878084] RAX: ffffffff8acb[ 66.126461] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 66.140016] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 66.147516] ------------[ cut here ]------------ 1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.88605[ 66.152679] refcount_t: underflow; use-after-free. [ 66.164268] WARNING: CPU: 3 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d[ 66.173607] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.206241] CPU: 3 PID: 2590 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 66.214892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.221697] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 66.227435] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 [ 66.248414] RSP: 0018:ffffa5ea830afe40 EFLAGS: 00010286 [ 66.254249] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 66.262218] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 [ 66.270180] RBP: ffffffff8bcc0008 R08: 0000000000000000 R09: 0000000000000000 [ 66.278151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 66.286119] R13: ffffa5ea830aff10 R14: ffffa5ea830aff10 R15: ffff9fe0033a2000 [ 66.294079] FS: 00007fc75a32d580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 [ 66.303119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.309537] CR2: 00007fc75a146000 CR3: 000000010339e005 CR4: 00000000003706e0 [ 66.317527] Call Trace: [ 66.320258] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 66.326385] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 66.332707] direct_entry.cold+0x2c/0x38 [ 66.337087] full_proxy_write+0x56/0x80 [ 66.341393] vfs_write+0xea/0x390 [ 66.345090] ksys_write+0x68/0xe0 [ 66.348791] do_syscall_64+0x33/0x40 [ 66.352781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.358421] RIP: 0033:0x7fc75a255f33 [ 66.362410] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.383392] RSP: 002b:00007ffdd9f381d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.391848] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc75a255f33 [ 66.399819] RDX: 0000000000000020 RSI: 00007fc75a146000 RDI: 0000000000000001 [ 66.407787] RBP: 00007fc75a146000 R08: 00007fc75a145010 R09: 0000000000000000 9a70 # [ 54.894019] RBP: ffffffff8bd1b490 R08: 00000000000000[ 66.415761] R10: 00007fc75a3501c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.429947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 R09: 0000000000000001 # [ 54.901986] R10: 00000000ffffe000[ 66.437924] irq event stamp: 0 [ 66.447551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.454586] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.463724] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.472857] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.479847] ---[ end trace 887145289f1cd36b ]--- [ 66.485000] lkdtm: Saturation detected: still saturated R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.909955] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 54.917923] FS: 00007fcf1630a580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 54.926958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.933371] CR2: ffffffff8b8d9ef0 CR3: 0000000104fe6006 CR4: 00000000003706e0 # [ 54.941340] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.951249] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1949, name: cat # [ 54.959701] INFO: lockdep is turned off. # [ 54.964075] irq event stamp: 0 # [ 54.967479] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.974479] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.983613] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.992746] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.999744] CPU: 1 PID: 1949 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 55.008390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.015193] Call Trace: # [ 55.017920] dump_stack+0x77/0x97 # [ 55.021618] ___might_sleep.cold+0xa6/0xb6 # [ 55.026189] exit_signals+0x1c/0x2d0 # [ 55.030166] do_exit+0xd5/0xb00 # [ 55.033668] ? ksys_write+0x68/0xe0 # [ 55.[ 66.622500] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 037570] rewind_stack_do_exit+0x17/0x20 # [ 55.042237] RIP: 0[ 66.634313] lkdtm: attempting good copy_to_user of correct size 033:0x7fcf16232f33 # [ 55.046224] Code: 8b 15 61 ef 0c 00 f7 [ 66.647165] lkdtm: attempting bad copy_to_user of too large size d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.067204] RSP: 002b:00007fff5718a668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.075658] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcf16232f33 # [ 55.083625] RDX: 0000000000000009 RSI: 00007fcf16123000 RDI: 0000000000000001 # [ 55.091592] RBP: 00007fcf16123000 R08: 00007fcf16122010 R09: 0000000000000000 # [ 55.099563] R10: 00007fcf1632d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.107530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 55.193225] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 55.202822] l[ 66.742656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 66.754005] lkdtm: attempting good copy_from_user of correct size [ 66.760858] lkdtm: attempting bad copy_from_user of too large size kdtm: attempting bad ro_after_init write at ffffffff8bd3c328 # [ 55.210418] BUG: unable to handle page fault for address: ffffffff8bd3c328 # [ 55.218101] #PF: supervisor write access in kernel mode # [ 55.223934] #PF: error_code(0x0003) - permissions violation # [ 55.230155] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 100058063 PTE 8000000171b3c061 # [ 55.245412] Oops: 0003 [#15] SMP PTI # [ 55.249403] CPU: 3 PID: 1984 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 55.258052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.264859] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 55.270885] Code: 10 cc 8b e9 45 9f fd ff 48 c7 c7 18 11 cc 8b e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 cc 8b 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 55.291855] RSP: 0018:ffffa5ea827b7e60 EFLAGS: 00010202 # [ 55.297687] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 55.305654] RDX: 00000000abcd1234 RSI: ffff9fe07ad9bf70 RDI: ffffffff8bcc10c0 # [ 55.313622] RBP: ffffffff8bcc02b6 R08: 0000000000000000 R09: 0000000000000000 # [ 55.321589] R10: 00000000ffffe000 R11: 3fff[ 66.882856] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 66.893160] lkdtm: attempting good copy_to_user inside whitelist [ 66.899886] lkdtm: attempting bad copy_to_user outside whitelist ffffffffffff R12: 0000000000000014 # [ 55.329563] R13: ffffa5ea827b7f10 R14: ffffa5ea827b7f10 R15: ffff9fe003443000 # [ 55.337530] FS: 00007f60ae213580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 55.346566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.352980] CR2: ffffffff8bd3c328 CR3: 0000000104fce002 CR4: 00000000003706e0 # [ 55.360948] Call Trace: # [ 55.363675] direct_entry.cold+0x2c/0x38 # [ 55.368054] full_proxy_write+0x56/0x80 # [ 55.372334] vfs_write+0xea/0x390 # [ 55.376030] ksys_write+0x68/0xe0 # [ 55.379728] do_syscall_64+0x33/0x40 # [ 55.383716] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.389344] RIP: 0033:0x7f60ae13bf33 # [ 55.393332] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 66.991598] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 67.001051] lkdtm: attempting good copy_from_user inside whitelist [ 67.007968] lkdtm: attempting bad copy_from_user outside whitelist 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.414301] RSP: 002b:00007fff8d6a66f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.422747] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f60ae13bf33 # [ 55.430714] RDX: 0000000000000014 RSI: 00007f60ae02c000 RDI: 0000000000000001 # [ 55.438679] RBP: 00007f60ae02c000 R08: 00007f60ae02b010 R09: 0000000000000000 # [ 55.446648] R10: 00007f60ae2361c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.454615] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.462583] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.489029] CR2: ffffffff8bd3c328 # [ 55.498937] ---[ end trace 887145289f1cd359 ]--- # [ 55.504083] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.508459] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48[ 67.114246] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc [ 67.121296] lkdtm: good_stack: ffffa5ea83427e20-ffffa5ea83427e40 cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 67.134223] lkdtm: bad_stack : ffffa5ea83427da8-ffffa5ea83427dc8 44 00 00 83 05 a0 15 70 02 # [ 55.529440] RSP: 0018:ffffa5ea[ 67.147160] lkdtm: attempting good copy_to_user of local stack 81477e60 EFLAGS: 00010282 # [ 55.535264] RAX: ffffffff8acb1f7[ 67.159883] lkdtm: attempting bad copy_to_user of distant stack 0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.543232] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 55.551198] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 55.559165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.567132] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 55.575099] FS: 00007f60ae213580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 55.584136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.590563] CR2: ffffffff8bd3c328 CR3: 0000000104fce002 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 55.676660] lkdtm: Performing direct entry WRITE_KERN # [ 55.685045] lkdtm: attempting bad 6580762 byte write at ffffffff8b2f8d5a # [ 55.692541] BUG: unable to handle page fault fo[ 67.259935] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 67.273039] lkdtm: good_stack: ffffa5ea8348fe20-ffffa5ea8348fe40 r address: ffffffff8b2f8d5a # [ 55.700219] #PF: supervisor wr[ 67.279775] lkdtm: bad_stack : ffffa5ea8348fda8-ffffa5ea8348fdc8 [ 67.292714] lkdtm: attempting good copy_from_user of local stack ite access in kernel mode # [ 55.706054] #PF: error_code(0x00[ 67.299434] lkdtm: attempting bad copy_from_user of distant stack 03) - permissions violation # [ 55.712275] PGD 171c29067 P4D 171c29067 PUD 171c2a063 PMD 1710000e1 # [ 55.719373] Oops: 0003 [#16] SMP PTI # [ 55.729573] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 55.738222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.745029] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 55.750182] Code: 53 48 c7 c3 5a 8d 2f 8b 49 89 dc 48 89 da 49 81 ec 40 23 cb 8a 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 cb 8a a4 48 c7 c7 c0 10 cc 8b e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 55.771153] RSP: 0018:ffffa5ea82827e50 EFLAGS: 00010246 # [ 55.776984] RAX: 000000000000003c RBX: ffffffff8b2f8d5a RCX: 0000000000646a1a # [ 55.784950] RDX: 0000000000000000 RSI: ffffffff8acb2340 RDI: ffffffff8b2f8d5a # [ 55.792917] RBP: ffffffff8bcc02ca R08: 0000000000000000 R09: 0000000000000000 # [ 55.800885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a # [ 55.808851] R13: ffffa5ea82827f10 R14: ffffa5ea82827f10 R15: ffff9fe005c4e000 # [ 55.816819] FS: 00007f746c219580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 55.825855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.832268] CR2: ffffffff8b2f8d5a CR3: 000000010336c004 CR4: 00000000003706e0 # [ 55.840234] Call Trace: # [ 55.842961] direct_entry.cold+0x2c/0x38 # [ 55.847339] full_proxy_write+0x56/0x80 # [ 55.851617] vfs_write+0xea/0x390 # [ 55.855312] ksys_write+0x68/0xe0 # [ 55.859008] do_syscall_64+0x33/0x40 # [ 55.862996] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.868634] RIP: 0033:0x7f746c141f33 # [ 55.872620] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.893598] RSP: 002b:00007ffc76d3ecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.902051] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f746c141f33 # [ 55.910017] RDX: 000000000000000b RSI: 00007f746c032000 RDI: 0000000000000001 # [ 55.917983] RBP: 00007f746c032000 R08: 00007f746c031010 R09: 0000000000000000 # [ 55.925951] R10: 00007f746c23c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.933918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.941887] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.968340] CR2: ffffffff8b2f8d5a # [ 55.972034] ---[ end trace 887145289f1cd35a ]--- # [ 55.977187] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.981567] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 56.002544] RSP: 0018:ffffa5ea81477e60 EFLAGS: 00010282 # [ 56.008375] RAX: ffffffff8acb1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.016343] RDX: 0000000000000000 RSI: ffff9fe07ad1bf70 RDI: ffffffff8b8d9a70 # [ 56.024312] RBP: ffffffff8bd1b490 R08: 0000000000000001 R09: 0000000000000001 # [ 56.032279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.040247] R13: ffffa5ea81477f10 R14: ffffa5ea81477f10 R15: ffff9fe0040d9000 # [ 56.048213] FS: 00007f746c219580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 56.057250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.063663] CR2: ffffffff8b2f8d5a CR3: 000000010336c004 CR4: 00000000003706e0 # [ 56.071631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.081541] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2019, name: cat # [ 56.089996] INFO: lockdep is turned off. # [ 56.094371] irq event stamp: 0 # [ 56.097774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.104773] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.113907] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.123032] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.130029] CPU: 3 PID: 2019 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 56.138676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.145476] Call Trace: # [ 56.148203] dump_stack+0x77/0x97 # [ 5[ 67.769831] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 6.151902] ___might_sleep.cold+0xa6/0xb6 # [ 56.162683] exit[ 67.777667] lkdtm: good_stack: ffffa5ea8354fe20-ffffa5ea8354fe40 _signals+0x1c/0x2d0 # [ 56.166671] do_exit+0xd5/0xb00 # [ [ 67.790595] lkdtm: bad_stack : ffffa5ea8354fff8-ffffa5ea83550018 56.170164] ? ksys_write+0x68/0xe0 # [ 56.174055] ? lkdtm_S[ 67.803540] lkdtm: attempting good copy_to_user of local stack LAB_FREE_CROSS.cold+0x32/0x32 # [ 56.179511] rewind_stack_do[ 67.816310] lkdtm: attempting bad copy_to_user of distant stack _exit+0x17/0x20 # [ 56.184177] RIP: 0033:0x7f746c141f33 # [ [ 67.829150] lkdtm: copy_to_user failed, but lacked Oops 56.188164] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.209145] RSP: 002b:00007ffc76d3ecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.217590] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f746c141f33 # [ 56.225563] RDX: 000000000000000b RSI: 00007f746c032000 RDI: 0000000000000001 # [ 56.233530] RBP: 00007f746c032000 R08: 00007f746c031010 R09: 0000000000000000 # [ 56.241510] R10: 00007f746c23c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.249478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 56.340857] lkdtm: Performing direct entry REF[ 67.923609] lkdtm: Performing direct entry USERCOPY_KERNEL COUNT_INC_OVERFLOW # [ 56.351216] lkdtm: attempting good refc[ 67.934311] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8b8d9f10 ount_inc() without overflow # [ 56.364347] lkdtm: attempting [ 67.949204] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8a6d1460 bad refcount_inc() overflow # [ 56.376616] ------------[ cut [ 67.963759] lkdtm: FAIL: survived bad copy_to_user() here ]------------ # [ 56.387991] refcount_t: saturated; leaking memory. # [ 56.399550] WARNING: CPU: 0 PID: 2054 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 56.415107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.447775] CPU: 0 PID: 2054 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 56.462600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.475664] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 56.487576] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a # [ 56.514820] RSP: 0018:ffffa5ea8287fe48 EFLAGS: 00010286 # [ 56.526830] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 56.541074] RDX: ffff9fe07ac2c660 RSI: ffff9fe[ 68.079908] lkdtm: Performing direct entry STACKLEAK_ERASING 07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 56.555327] RBP: ffffffff8[ 68.087546] lkdtm: checking unused part of the thread stack (15928 bytes)... bcc02d5 R08: 0000000000000000 R09: 0000000000000000 # [ 56.56[ 68.101652] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 9471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 68.115624] lkdtm: FAIL: the thread stack is NOT properly erased 0000016 # [ 56.583761] R13: ffffa5ea8287ff10 R14: ffffa5ea828[ 68.128601] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.126-cip11 #1 [ 68.143445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.150246] Call Trace: [ 68.152976] dump_stack+0x77/0x97 [ 68.156671] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 68.161823] direct_entry.cold+0x2c/0x38 [ 68.166200] full_proxy_write+0x56/0x80 [ 68.170480] vfs_write+0xea/0x390 [ 68.174176] ksys_write+0x68/0xe0 [ 68.177873] do_syscall_64+0x33/0x40 [ 68.181861] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.187512] RIP: 0033:0x7f0ddea17f33 [ 68.191510] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.212511] RSP: 002b:00007fff9c884fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.220965] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0ddea17f33 [ 68.228933] RDX: 0000000000000012 RSI: 00007f0dde908000 RDI: 0000000000000001 [ 68.236901] RBP: 00007f0dde908000 R08: 00007f0dde907010 R09: 0000000000000000 [ 68.244869] R10: 00007f0ddeb121c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.252837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7ff10 R15: ffff9fe002b25000 # [ 56.597866] FS: 00007f6efee1a580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 56.613121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.625745] CR2: 00007f6efec33000 CR3: 0000000105c64003 CR4: 00000000003706f0 # [ 56.639955] Call Trace: # [ 56.648888] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 56.660461] direct_entry.cold+0x2c/0x38 # [ 56.671050] full_proxy_write+0x56/0x80 # [ 56.681555] vfs_write+0xea/0x390 # [ 56.691461] ksys_write+0x68/0xe0 # [ 56.701388] do_syscall_64+0x33/0x40 # [ 56.711587] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.723447] RIP: 0033:0x7f6efed42f33 # [ 56.733654] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 68.338199] lkdtm: Performing direct entry CFI_FORWARD_PROTO 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 68.348237] lkdtm: Calling matched prototype ... 18 # [ 56.760858] RSP: 002b:00007ffd06711ba8 EFLAGS: 00000246[ 68.359637] lkdtm: Calling mismatched prototype ... ORIG_RAX: 0000000000000001 # [ 56.775526] RAX: fffffffffffff[ 68.371277] lkdtm: Fail: survived mismatched prototype function call! fda RBX: 0000000000000016 RCX: 00007f6efed42f33 # [ 56.789718] RDX: 0000000000000016 RSI: 00007f6efec33000 RDI: 0000000000000001 # [ 56.803895] RBP: 00007f6efec33000 R08: 00007f6efec32010 R09: 0000000000000000 # [ 56.818094] R10: 00007f6efee3d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.832264] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.846469] irq event stamp: 0 # [ 56.856076] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.869311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.884651] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.900020] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.913218] ---[ end trace 887145289f1cd35b ]--- # [ 56.924592] 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 # [ 57.043980] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 57.054461] lkdtm: attempting good refcount_add() without overflow # [ 57.061380] lkdtm: attempting bad refcount_add() overflow # [ 57.073615] ------------[ cut here ]------------ # [ 57.078802] refcount_t: saturated; leaking memory. # [ 57.084183] WARNING: CPU: 2 PID: 2086 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 57.093523] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.126155] CPU: 2 PID: 2086 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 57.134835] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.141643] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 57.147415] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a # [ 57.168400] RSP: 0018:ffffa5ea82887e48 EFLAGS: 00010286 # [ 57.174266] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 57.182239] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 # [ 57.190214] RBP: ffffffff8bcc02eb R08: 0000000000000000 R09: 0000000000000000 # [ 57.198186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 57.206157] R13: ffffa5ea82887f10 R14: ffffa5ea82887f10 R15: ffff9fe005452000 # [ 57.214130] FS: 00007f78ce147580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 57.223170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.229588] CR2: 00007f78cdf60000 CR3: 00000001040c2002 CR4: 00000000003706e0 # [ 57.237562] Call Trace: # [ 57.246522] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 57.251904] direct_entry.cold+0x2c/0x38 # [ 57.262498] full_proxy_write+0x56/0x80 # [ 57.272996] vfs_write+0xea/0x390 # [ 57.276717] ksys_write+0x68/0xe0 # [ 57.280416] do_syscall_64+0x33/0x40 # [ 57.284405] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.290047] RIP: 0033:0x7f78ce06ff33 # [ 57.294039] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.315026] RSP: 002b:00007ffd7e8c6138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.323519] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f78ce06ff33 # [ 57.331490] RDX: 0000000000000016 RSI: 00007f78cdf60000 RDI: 0000000000000001 # [ 57.345673] RBP: 00007f78cdf60000 R08: 00007f78cdf5f010 R09: 0000000000000000 # [ 57.353642] R10: 00007f78ce16a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.361611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.369575] irq event stamp: 0 # [ 57.372981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.379982] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.389120] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.398256] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.405255] ---[ end trace 887145289f1cd35c ]--- # [ 57.410401] 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 # [ 57.483527] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 57.491462] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 57.504591] ------------[ cut here ]------------ # [ 57.515980] refcount_t: saturated; leaking memory. # [ 57.527537] WARNING: CPU: 0 PID: 2118 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 57.543082] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.575759] CPU: 0 PID: 2118 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 57.590607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.603652] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 57.615599] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb # [ 57.642828] RSP: 0018:ffffa5ea8294fe38 EFLAGS: 00010282 # [ 57.654851] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 57.669061] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 57.683223] RBP: ffffffff8bcbff28 R08: 0000000000000000 R09: 0000000000000000 # [ 57.697432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 57.711604] R13: ffffa5ea8294ff10 R14: ffffa5ea8294ff10 R15: ffff9fe002b3b000 # [ 57.725808] FS: 00007f8837e8b580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 57.741049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.753702] CR2: 00007f8837ca4000 CR3: 0000000104dce002 CR4: 00000000003706f0 # [ 57.767871] Call Trace: # [ 57.776837] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 57.789165] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 57.801610] direct_entry.cold+0x2c/0x38 # [ 57.812202] full_proxy_write+0x56/0x80 # [ 57.822711] vfs_write+0xea/0x390 # [ 57.832616] ksys_write+0x68/0xe0 # [ 57.842572] do_syscall_64+0x33/0x40 # [ 57.852744] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.864611] RIP: 0033:0x7f8837db3f33 # [ 57.874815] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.902024] RSP: 002b:00007ffcecfb18b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.916693] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8837db3f33 # [ 57.930877] RDX: 000000000000001f RSI: 00007f8837ca4000 RDI: 0000000000000001 # [ 57.945066] RBP: 00007f8837ca4000 R08: 00007f8837ca3010 R09: 0000000000000000 # [ 57.959256] R10: 00007f8837eae1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.973430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.987639] irq event stamp: 0 # [ 57.997248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.010506] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.025824] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.041204] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.054401] ---[ end trace 887145289f1cd35d ]--- # [ 58.065809] 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 # [ 58.149947] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 58.159211] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 58.172357] ------------[ cut here ]------------ # [ 58.183738] refcount_t: saturated; leaking memory. # [ 58.195317] WARNING: CPU: 0 PID: 2150 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 58.210848] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.243492] CPU: 0 PID: 2150 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 58.258321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.265166] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 58.277072] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb # [ 58.304314] RSP: 0018:ffffa5ea82a0fe38 EFLAGS: 00010282 # [ 58.316329] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 58.324330] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 58.338481] RBP: ffffffff8bcbff48 R08: 0000000000000000 R09: 0000000000000000 # [ 58.346474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 58.360666] R13: ffffa5ea82a0ff10 R14: ffffa5ea82a0ff10 R15: ffff9fe0035dc000 # [ 58.374896] FS: 00007f0b9c3b2580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 58.390124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.402801] CR2: 00007f0b9c1cb000 CR3: 0000000104dce006 CR4: 00000000003706f0 # [ 58.416988] Call Trace: # [ 58.425921] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 58.438263] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 58.450688] direct_entry.cold+0x2c/0x38 # [ 58.461301] full_proxy_write+0x56/0x80 # [ 58.471806] vfs_write+0xea/0x390 # [ 58.481705] ksys_write+0x68/0xe0 # [ 58.491697] do_syscall_64+0x33/0x40 # [ 58.501822] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.513695] RIP: 0033:0x7f0b9c2daf33 # [ 58.523893] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.551152] RSP: 002b:00007ffdf531abe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.565809] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0b9c2daf33 # [ 58.579979] RDX: 000000000000001f RSI: 00007f0b9c1cb000 RDI: 0000000000000001 # [ 58.594159] RBP: 00007f0b9c1cb000 R08: 00007f0b9c1ca010 R09: 0000000000000000 # [ 58.608356] R10: 00007f0b9c3d51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.622562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.636751] irq event stamp: 0 # [ 58.646363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.659624] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.674942] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.690307] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.703544] ---[ end trace 887145289f1cd35e ]--- # [ 58.714921] 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 # [ 58.808627] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 58.819514] lkdtm: attempting good refcount_dec() # [ 58.824767] lkdtm: attempting bad refcount_dec() to zero # [ 58.830701] ------------[ cut here ]------------ # [ 58.835880] refcount_t: decrement hit 0; leaking memory. # [ 58.841841] WARNING: CPU: 3 PID: 2182 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 58.851180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.883816] CPU: 3 PID: 2182 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 58.892513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.899325] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 58.911272] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 58.932257] RSP: 0018:ffffa5ea82ab7e48 EFLAGS: 00010286 # [ 58.938097] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 58.946094] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 58.954069] RBP: ffffffff8bcc0301 R08: 0000000000000000 R09: 0000000000000000 # [ 58.962041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 58.970014] R13: ffffa5ea82ab7f10 R14: ffffa5ea82ab7f10 R15: ffff9fe003237000 # [ 58.977991] FS: 00007fdbe6a01580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 58.987030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.993448] CR2: 00007fdbe681a000 CR3: 0000000102bf2003 CR4: 00000000003706e0 # [ 59.001422] Call Trace: # [ 59.010371] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 59.021548] direct_entry.cold+0x2c/0x38 # [ 59.032142] full_proxy_write+0x56/0x80 # [ 59.042639] vfs_write+0xea/0x390 # [ 59.046370] ksys_write+0x68/0xe0 # [ 59.050073] do_syscall_64+0x33/0x40 # [ 59.054096] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.059741] RIP: 0033:0x7fdbe6929f33 # [ 59.063764] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.084759] RSP: 002b:00007ffc8a729168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.093252] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fdbe6929f33 # [ 59.101226] RDX: 0000000000000012 RSI: 00007fdbe681a000 RDI: 0000000000000001 # [ 59.109198] RBP: 00007fdbe681a000 R08: 00007fdbe6819010 R09: 0000000000000000 # [ 59.117171] R10: 00007fdbe6a241c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.125145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.133121] irq event stamp: 0 # [ 59.136570] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.143572] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.152713] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.161852] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.168852] ---[ end trace 887145289f1cd35f ]--- # [ 59.174008] 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 # [ 59.248796] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 59.260018] lkdtm: attempting bad refcount_dec() below zero # [ 59.272488] ------------[ cut here ]------------ # [ 59.283848] refcount_t: decrement hit 0; leaking memory. # [ 59.296007] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 59.311541] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.344225] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 59.359061] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.372100] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 59.384030] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 59.411264] RSP: 0018:ffffa5ea82b4fe48 EFLAGS: 00010286 # [ 59.423270] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 59.437482] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 59.451652] RBP: ffffffff8bcc0313 R08: 0000000000000000 R09: 0000000000000000 # [ 59.465853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.480033] R13: ffffa5ea82b4ff10 R14: ffffa5ea82b4ff10 R15: ffff9fe005450000 # [ 59.494244] FS: 00007f6b10d59580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 59.509481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.522136] CR2: 00007f6b10b72000 CR3: 0000000103222003 CR4: 00000000003706f0 # [ 59.536299] Call Trace: # [ 59.545265] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 59.556816] direct_entry.cold+0x2c/0x38 # [ 59.567430] full_proxy_write+0x56/0x80 # [ 59.577912] vfs_write+0xea/0x390 # [ 59.587846] ksys_write+0x68/0xe0 # [ 59.597746] do_syscall_64+0x33/0x40 # [ 59.607974] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.619814] RIP: 0033:0x7f6b10c81f33 # [ 59.630035] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.657223] RSP: 002b:00007ffca054e548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.671925] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6b10c81f33 # [ 59.686096] RDX: 0000000000000016 RSI: 00007f6b10b72000 RDI: 0000000000000001 # [ 59.700302] RBP: 00007f6b10b72000 R08: 00007f6b10b71010 R09: 0000000000000000 # [ 59.714471] R10: 00007f6b10d7c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.728676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.742847] irq event stamp: 0 # [ 59.752487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.765688] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.781055] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.796401] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.809619] ---[ end trace 887145289f1cd360 ]--- # [ 59.820988] 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 # [ 59.903003] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 59.914410] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 59.921552] ------------[ cut here ]------------ # [ 59.926740] refcount_t: underflow; use-after-free. # [ 59.932118] WARNING: CPU: 2 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 59.941456] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.974100] CPU: 2 PID: 2252 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 59.988966] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.001992] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 60.013949] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 # [ 60.041154] RSP: 0018:ffffa5ea82bcfe40 EFLAGS: 00010286 # [ 60.053206] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 60.067393] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 # [ 60.075370] RBP: ffffffff8bcbff68 R08: 0000000000000000 R09: 0000000000000000 # [ 60.089554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.103743] R13: ffffa5ea82bcff10 R14: ffffa5ea82bcff10 R15: ffff9fe005db8000 # [ 60.117936] FS: 00007ff407582580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 60.133193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.139613] CR2: 00007ff40739b000 CR3: 0000000105dbc005 CR4: 00000000003706e0 # [ 60.153802] Call Trace: # [ 60.162749] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 60.175093] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 60.187532] direct_entry.cold+0x2c/0x38 # [ 60.198130] full_proxy_write+0x56/0x80 # [ 60.208629] vfs_write+0xea/0x390 # [ 60.218545] ksys_write+0x68/0xe0 # [ 60.228464] do_syscall_64+0x33/0x40 # [ 60.238674] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.250532] RIP: 0033:0x7ff4074aaf33 # [ 60.260741] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.287944] RSP: 002b:00007ffed120d6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.302620] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff4074aaf33 # [ 60.316810] RDX: 000000000000001f RSI: 00007ff40739b000 RDI: 0000000000000001 # [ 60.324784] RBP: 00007ff40739b000 R08: 00007ff40739a010 R09: 0000000000000000 # [ 60.338969] R10: 00007ff4075a51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.346942] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.361130] irq event stamp: 0 # [ 60.370750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.377777] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.386938] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.396075] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.403075] ---[ end trace 887145289f1cd361 ]--- # [ 60.408232] 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 # [ 60.497562] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 60.507962] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 60.515064] ------------[ cut here ]------------ # [ 60.520223] refcount_t: underflow; use-after-free. # [ 60.525586] WARNING: CPU: 3 PID: 2287 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 60.534924] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.561388] CPU: 3 PID: 2287 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 60.570038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.576844] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 60.582580] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 # [ 60.603561] RSP: 0018:ffffa5ea82c27e40 EFLAGS: 00010286 # [ 60.609396] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 60.617366] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 60.625336] RBP: ffffffff8bcbff88 R08: 0000000000000000 R09: 0000000000000000 # [ 60.633304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.641275] R13: ffffa5ea82c27f10 R14: ffffa5ea82c27f10 R15: ffff9fe00361f000 # [ 60.649247] FS: 00007f2c03147580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 60.658285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.664701] CR2: 00007f2c02f60000 CR3: 000000010541e006 CR4: 00000000003706e0 # [ 60.672669] Call Trace: # [ 60.675391] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 60.681557] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 60.687818] direct_entry.cold+0x2c/0x38 # [ 60.698410] full_proxy_write+0x56/0x80 # [ 60.708905] vfs_write+0xea/0x390 # [ 60.712604] ksys_write+0x68/0xe0 # [ 60.716303] do_syscall_64+0x33/0x40 # [ 60.720296] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.725936] RIP: 0033:0x7f2c0306ff33 # [ 60.729926] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.750930] RSP: 002b:00007ffed56965a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.759399] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2c0306ff33 # [ 60.773579] RDX: 000000000000001f RSI: 00007f2c02f60000 RDI: 0000000000000001 # [ 60.781568] RBP: 00007f2c02f60000 R08: 00007f2c02f5f010 R09: 0000000000000000 # [ 60.789558] R10: 00007f2c0316a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.797528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.805516] irq event stamp: 0 # [ 60.815137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.822139] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.831274] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.840409] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.847408] ---[ end trace 887145289f1cd362 ]--- # [ 60.852562] 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 # [ 60.936602] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 60.944779] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 60.958093] lkdtm: Good: zero detected # [ 60.968492] lkdtm: Correctly stayed at zero # [ 60.979377] lkdtm: attempting bad refcount_inc() from zero # [ 60.991718] ------------[ cut here ]------------ # [ 60.996875] refcount_t: addition on 0; use-after-free. # [ 61.008856] WARNING: CPU: 1 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 61.024394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.057039] CPU: 1 PID: 2319 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 61.071900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.078709] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 61.090656] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d # [ 61.111641] RSP: 0018:ffffa5ea82ccfe48 EFLAGS: 00010286 # [ 61.123685] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 61.131656] RDX: ffff9fe07acac660 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 # [ 61.139627] RBP: ffffffff8bcc0329 R08: 0000000000000000 R09: 0000000000000000 # [ 61.147598] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 61.155568] R13: ffffa5ea82ccff10 R14: ffffa5ea82ccff10 R15: ffff9fe0038ce000 # [ 61.163577] FS: 00007fe533636580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 61.178835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.185253] CR2: 00007fe53344f000 CR3: 0000000102bf2006 CR4: 00000000003706e0 # [ 61.193223] Call Trace: # [ 61.195943] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 61.207143] direct_entry.cold+0x2c/0x38 # [ 61.217738] full_proxy_write+0x56/0x80 # [ 61.228238] vfs_write+0xea/0x390 # [ 61.231962] ksys_write+0x68/0xe0 # [ 61.241874] do_syscall_64+0x33/0x40 # [ 61.252082] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.263938] RIP: 0033:0x7fe53355ef33 # [ 61.274142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.295128] RSP: 002b:00007ffe98c4f728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.309796] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe53355ef33 # [ 61.317769] RDX: 0000000000000012 RSI: 00007fe53344f000 RDI: 0000000000000001 # [ 61.331952] RBP: 00007fe53344f000 R08: 00007fe53344e010 R09: 0000000000000000 # [ 61.339924] R10: 00007fe5336591c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.347896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.355861] irq event stamp: 0 # [ 61.365482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.372521] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.387867] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.397006] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.410217] ---[ end trace 887145289f1cd363 ]--- # [ 61.415372] 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 # [ 61.500676] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 61.507344] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 61.514453] lkdtm: Good: zero detected # [ 61.518647] lkdtm: Correctly stayed at zero # [ 61.529531] lkdtm: attempting bad refcount_add() from zero # [ 61.541872] ------------[ cut here ]------------ # [ 61.547028] refcount_t: addition on 0; use-after-free. # [ 61.552796] WARNING: CPU: 3 PID: 2351 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 61.562133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.594763] CPU: 3 PID: 2351 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 61.603412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.610211] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 61.615949] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d # [ 61.636931] RSP: 0018:ffffa5ea82d4fe48 EFLAGS: 00010286 # [ 61.642765] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 61.650736] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 61.658707] RBP: ffffffff8bcc033b R08: 0000000000000000 R09: 0000000000000000 # [ 61.666676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 61.674637] R13: ffffa5ea82d4ff10 R14: ffffa5ea82d4ff10 R15: ffff9fe004fcb000 # [ 61.682609] FS: 00007f1c7ecdb580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 61.691648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.698065] CR2: 00007f1c7eaf4000 CR3: 00000001036e4004 CR4: 00000000003706e0 # [ 61.706036] Call Trace: # [ 61.708766] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 61.713753] direct_entry.cold+0x2c/0x38 # [ 61.718134] full_proxy_write+0x56/0x80 # [ 61.722417] vfs_write+0xea/0x390 # [ 61.726116] ksys_write+0x68/0xe0 # [ 61.729815] do_syscall_64+0x33/0x40 # [ 61.733807] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.739448] RIP: 0033:0x7f1c7ec03f33 # [ 61.743438] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.764421] RSP: 002b:00007ffd4527d768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.772876] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c7ec03f33 # [ 61.780846] RDX: 0000000000000012 RSI: 00007f1c7eaf4000 RDI: 0000000000000001 # [ 61.788816] RBP: 00007f1c7eaf4000 R08: 00007f1c7eaf3010 R09: 0000000000000000 # [ 61.796786] R10: 00007f1c7ecfe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.804761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.818946] irq event stamp: 0 # [ 61.828571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.835574] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.844735] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.853870] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.860861] ---[ end trace 887145289f1cd364 ]--- # [ 61.866020] 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 # [ 61.947281] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 61.958354] lkdtm: attempting bad refcount_inc() from saturated # [ 61.965000] ------------[ cut here ]------------ # [ 61.970156] refcount_t: saturated; leaking memory. # [ 61.975526] WARNING: CPU: 3 PID: 2386 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 61.991071] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.017538] CPU: 3 PID: 2386 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 62.032396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.039203] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 62.044941] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a # [ 62.065926] RSP: 0018:ffffa5ea82dc7e48 EFLAGS: 00010286 # [ 62.071762] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 62.079736] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 62.093925] RBP: ffffffff8bcc034d R08: 0000000000000000 R09: 0000000000000000 # [ 62.108114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 62.116115] R13: ffffa5ea82dc7f10 R14: ffffa5ea82dc7f10 R15: ffff9fe005d67000 # [ 62.124088] FS: 00007f4771e37580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 62.133128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.139572] CR2: 00007f4771c50000 CR3: 0000000104a4a005 CR4: 00000000003706e0 # [ 62.147577] Call Trace: # [ 62.150337] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 62.155818] direct_entry.cold+0x2c/0x38 # [ 62.160232] full_proxy_write+0x56/0x80 # [ 62.164547] vfs_write+0xea/0x390 # [ 62.168248] ksys_write+0x68/0xe0 # [ 62.171953] do_syscall_64+0x33/0x40 # [ 62.175947] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.181619] RIP: 0033:0x7f4771d5ff33 # [ 62.185611] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.206596] RSP: 002b:00007fffea4a4448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.215056] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4771d5ff33 # [ 62.223031] RDX: 0000000000000017 RSI: 00007f4771c50000 RDI: 0000000000000001 # [ 62.231004] RBP: 00007f4771c50000 R08: 00007f4771c4f010 R09: 0000000000000000 # [ 62.238976] R10: 00007f4771e5a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.246949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.254926] irq event stamp: 0 # [ 62.258365] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.265372] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.274563] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.283701] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.290703] ---[ end trace 887145289f1cd365 ]--- # [ 62.295859] 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 # [ 62.969414] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 62.980412] lkdtm: attempting bad refcount_dec() from saturated # [ 62.987036] ------------[ cut here ]------------ # [ 62.998399] refcount_t: decrement hit 0; leaking memory. # [ 63.004357] WARNING: CPU: 2 PID: 2421 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.013695] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.046325] CPU: 2 PID: 2421 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 63.054974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.061771] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.067514] Code: ff 48 c7 c7 f0 bd c5 8b c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd c5 8b c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.088499] RSP: 0018:ffffa5ea82e3fe48 EFLAGS: 00010286 # [ 63.100559] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 63.108531] RDX: ffff9fe07ad2c660 RSI: ffff9fe07ad1bf70 RDI: ffff9fe07ad1bf70 # [ 63.116514] RBP: ffffffff8bcc0364 R08: 0000000000000000 R09: 0000000000000000 # [ 63.124484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 63.132455] R13: ffffa5ea82e3ff10 R14: ffffa5ea82e3ff10 R15: ffff9fe0055ec000 # [ 63.140427] FS: 00007f638bb67580(0000) GS:ffff9fe07ad00000(0000) knlGS:0000000000000000 # [ 63.149464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.155872] CR2: 00007f638b980000 CR3: 0000000104f40006 CR4: 00000000003706e0 # [ 63.163842] Call Trace: # [ 63.166574] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 63.172022] direct_entry.cold+0x2c/0x38 # [ 63.176402] full_proxy_write+0x56/0x80 # [ 63.180684] vfs_write+0xea/0x390 # [ 63.184382] ksys_write+0x68/0xe0 # [ 63.188100] do_syscall_64+0x33/0x40 # [ 63.192099] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.203950] RIP: 0033:0x7f638ba8ff33 # [ 63.207940] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.228924] RSP: 002b:00007ffc0f9f10a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.237380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f638ba8ff33 # [ 63.245353] RDX: 0000000000000017 RSI: 00007f638b980000 RDI: 0000000000000001 # [ 63.259540] RBP: 00007f638b980000 R08: 00007f638b97f010 R09: 0000000000000000 # [ 63.273729] R10: 00007f638bb8a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.281698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.289660] irq event stamp: 0 # [ 63.293068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.300072] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.309233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.318368] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.325369] ---[ end trace 887145289f1cd366 ]--- # [ 63.330524] 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 # [ 63.443987] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 63.455107] lkdtm: attempting bad refcount_dec() from saturated # [ 63.467942] ------------[ cut here ]------------ # [ 63.479312] refcount_t: saturated; leaking memory. # [ 63.490903] WARNING: CPU: 1 PID: 2456 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 63.506425] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.539063] CPU: 1 PID: 2456 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 63.553932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.566954] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 63.578906] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd c5 8b c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd c5 8b c6 05 3a # [ 63.606127] RSP: 0018:ffffa5ea82eb7e48 EFLAGS: 00010286 # [ 63.618159] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 63.632342] RDX: ffff9fe07acac660 RSI: ffff9fe07ac9bf70 RDI: ffff9fe07ac9bf70 # [ 63.640314] RBP: ffffffff8bcc037b R08: 0000000000000000 R09: 0000000000000000 # [ 63.648287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 63.662466] R13: ffffa5ea82eb7f10 R14: ffffa5ea82eb7f10 R15: ffff9fe00336f000 # [ 63.670439] FS: 00007fbf69015580(0000) GS:ffff9fe07ac80000(0000) knlGS:0000000000000000 # [ 63.679479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.692108] CR2: 00007fbf68e2e000 CR3: 000000010565c001 CR4: 00000000003706e0 # [ 63.700082] Call Trace: # [ 63.702817] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 63.714472] direct_entry.cold+0x2c/0x38 # [ 63.725068] full_proxy_write+0x56/0x80 # [ 63.735569] vfs_write+0xea/0x390 # [ 63.745483] ksys_write+0x68/0xe0 # [ 63.749208] do_syscall_64+0x33/0x40 # [ 63.753201] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.765051] RIP: 0033:0x7fbf68f3df33 # [ 63.769043] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.796234] RSP: 002b:00007fff5a276328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.804695] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbf68f3df33 # [ 63.818876] RDX: 0000000000000017 RSI: 00007fbf68e2e000 RDI: 0000000000000001 # [ 63.826848] RBP: 00007fbf68e2e000 R08: 00007fbf68e2d010 R09: 0000000000000000 # [ 63.841036] R10: 00007fbf690381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.849010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.856994] irq event stamp: 0 # [ 63.860404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.873613] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.888964] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.898102] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.905102] ---[ end trace 887145289f1cd367 ]--- # [ 63.910259] 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 # [ 63.993917] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 64.004635] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 64.018341] ------------[ cut here ]------------ # [ 64.029712] refcount_t: saturated; leaking memory. # [ 64.041316] WARNING: CPU: 0 PID: 2488 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 64.056853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.089516] CPU: 0 PID: 2488 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 64.104343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.111185] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 64.123143] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb # [ 64.150366] RSP: 0018:ffffa5ea82f57e38 EFLAGS: 00010282 # [ 64.162403] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 64.170411] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 64.184606] RBP: ffffffff8bcbffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 64.198770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 64.212988] R13: ffffa5ea82f57f10 R14: ffffa5ea82f57f10 R15: ffff9fe005411000 # [ 64.227182] FS: 00007febb0404580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 64.242502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.255154] CR2: 00007febb021d000 CR3: 00000001036e4001 CR4: 00000000003706f0 # [ 64.269340] Call Trace: # [ 64.278284] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 64.290665] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 64.303220] direct_entry.cold+0x2c/0x38 # [ 64.313825] full_proxy_write+0x56/0x80 # [ 64.324314] vfs_write+0xea/0x390 # [ 64.334231] ksys_write+0x68/0xe0 # [ 64.344182] do_syscall_64+0x33/0x40 # [ 64.354382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.366271] RIP: 0033:0x7febb032cf33 # [ 64.376472] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.403685] RSP: 002b:00007ffe04e93b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.418350] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007febb032cf33 # [ 64.432565] RDX: 0000000000000020 RSI: 00007febb021d000 RDI: 0000000000000001 # [ 64.446750] RBP: 00007febb021d000 R08: 00007febb021c010 R09: 0000000000000000 # [ 64.460962] R10: 00007febb04271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.475136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.489329] irq event stamp: 0 # [ 64.498951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.512202] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.527538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.542928] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.556133] ---[ end trace 887145289f1cd368 ]--- # [ 64.567563] 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 # [ 64.684217] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 64.693147] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 64.700639] ------------[ cut here ]------------ # [ 64.705796] refcount_t: saturated; leaking memory. # [ 64.711159] WARNING: CPU: 3 PID: 2520 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 64.720512] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.753155] CPU: 3 PID: 2520 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 64.761804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.768610] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 64.774349] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd c5 8b c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb # [ 64.795331] RSP: 0018:ffffa5ea82fd7e38 EFLAGS: 00010282 # [ 64.801167] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 64.809140] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 64.817110] RBP: ffffffff8bcbffc8 R08: 0000000000000000 R09: 0000000000000000 # [ 64.825072] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 64.833043] R13: ffffa5ea82fd7f10 R14: ffffa5ea82fd7f10 R15: ffff9fe0054b8000 # [ 64.841014] FS: 00007f7dbd606580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 64.850055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.862689] CR2: 00007f7dbd41f000 CR3: 000000010340a001 CR4: 00000000003706e0 # [ 64.870662] Call Trace: # [ 64.879607] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 64.891949] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 64.898300] direct_entry.cold+0x2c/0x38 # [ 64.902681] full_proxy_write+0x56/0x80 # [ 64.906964] vfs_write+0xea/0x390 # [ 64.910663] ksys_write+0x68/0xe0 # [ 64.914363] do_syscall_64+0x33/0x40 # [ 64.918353] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.923995] RIP: 0033:0x7f7dbd52ef33 # [ 64.928006] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.949006] RSP: 002b:00007ffe2e47f7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.963669] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7dbd52ef33 # [ 64.971638] RDX: 0000000000000020 RSI: 00007f7dbd41f000 RDI: 0000000000000001 # [ 64.979609] RBP: 00007f7dbd41f000 R08: 00007f7dbd41e010 R09: 0000000000000000 # [ 64.987570] R10: 00007f7dbd6291c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.995534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.003527] irq event stamp: 0 # [ 65.006934] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.013935] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.023072] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.032208] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.039198] ---[ end trace 887145289f1cd369 ]--- # [ 65.044355] 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 # [ 65.133683] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 65.144967] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 65.158641] ------------[ cut here ]------------ # [ 65.170025] refcount_t: underflow; use-after-free. # [ 65.181650] WARNING: CPU: 0 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 65.197152] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.229818] CPU: 0 PID: 2555 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 65.244696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.257782] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 65.269680] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 # [ 65.296888] RSP: 0018:ffffa5ea8303fe40 EFLAGS: 00010286 # [ 65.308919] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 65.323111] RDX: ffff9fe07ac2c660 RSI: ffff9fe07ac1bf70 RDI: ffff9fe07ac1bf70 # [ 65.337292] RBP: ffffffff8bcbffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 65.351492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 65.365662] R13: ffffa5ea8303ff10 R14: ffffa5ea8303ff10 R15: ffff9fe005dbd000 # [ 65.379876] FS: 00007fd9cd43c580(0000) GS:ffff9fe07ac00000(0000) knlGS:0000000000000000 # [ 65.395133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.407834] CR2: 00007fd9cd255000 CR3: 0000000104958006 CR4: 00000000003706f0 # [ 65.421961] Call Trace: # [ 65.430938] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.443281] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 65.455873] direct_entry.cold+0x2c/0x38 # [ 65.466440] full_proxy_write+0x56/0x80 # [ 65.477023] vfs_write+0xea/0x390 # [ 65.486883] ksys_write+0x68/0xe0 # [ 65.496836] do_syscall_64+0x33/0x40 # [ 65.507032] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.518924] RIP: 0033:0x7fd9cd364f33 # [ 65.529123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.556364] RSP: 002b:00007ffeb9c8f3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.571021] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd9cd364f33 # [ 65.585272] RDX: 0000000000000020 RSI: 00007fd9cd255000 RDI: 0000000000000001 # [ 65.599413] RBP: 00007fd9cd255000 R08: 00007fd9cd254010 R09: 0000000000000000 # [ 65.613608] R10: 00007fd9cd45f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.627782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.641993] irq event stamp: 0 # [ 65.651598] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.664833] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.680173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.695565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.708748] ---[ end trace 887145289f1cd36a ]--- # [ 65.720137] 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 # [ 66.126461] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 66.140016] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 66.147516] ------------[ cut here ]------------ # [ 66.152679] refcount_t: underflow; use-after-free. # [ 66.164268] WARNING: CPU: 3 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 66.173607] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.206241] CPU: 3 PID: 2590 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 66.214892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.221697] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 66.227435] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd c5 8b c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd c5 # [ 66.248414] RSP: 0018:ffffa5ea830afe40 EFLAGS: 00010286 # [ 66.254249] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 66.262218] RDX: ffff9fe07adac660 RSI: ffff9fe07ad9bf70 RDI: ffff9fe07ad9bf70 # [ 66.270180] RBP: ffffffff8bcc0008 R08: 0000000000000000 R09: 0000000000000000 # [ 66.278151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 66.286119] R13: ffffa5ea830aff10 R14: ffffa5ea830aff10 R15: ffff9fe0033a2000 # [ 66.294079] FS: 00007fc75a32d580(0000) GS:ffff9fe07ad80000(0000) knlGS:0000000000000000 # [ 66.303119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.309537] CR2: 00007fc75a146000 CR3: 000000010339e005 CR4: 00000000003706e0 # [ 66.317527] Call Trace: # [ 66.320258] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 66.326385] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 66.332707] direct_entry.cold+0x2c/0x38 # [ 66.337087] full_proxy_write+0x56/0x80 # [ 66.341393] vfs_write+0xea/0x390 # [ 66.345090] ksys_write+0x68/0xe0 # [ 66.348791] do_syscall_64+0x33/0x40 # [ 66.352781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.358421] RIP: 0033:0x7fc75a255f33 # [ 66.362410] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.383392] RSP: 002b:00007ffdd9f381d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.391848] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc75a255f33 # [ 66.399819] RDX: 0000000000000020 RSI: 00007fc75a146000 RDI: 0000000000000001 # [ 66.407787] RBP: 00007fc75a146000 R08: 00007fc75a145010 R09: 0000000000000000 # [ 66.415761] R10: 00007fc75a3501c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.429947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.437924] irq event stamp: 0 # [ 66.447551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.454586] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.463724] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.472857] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.479847] ---[ end trace 887145289f1cd36b ]--- # [ 66.485000] 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 # [ 66.622500] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 66.634313] lkdtm: attempting good copy_to_user of correct size # [ 66.647165] 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 # [ 66.742656] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 66.754005] lkdtm: attempting good copy_from_user of correct size # [ 66.760858] 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 # [ 66.882856] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 66.893160] lkdtm: attempting good copy_to_user inside whitelist # [ 66.899886] 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 # [ 66.991598] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 67.001051] lkdtm: attempting good copy_from_user inside whitelist # [ 67.007968] 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 # [ 67.114246] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 67.121296] lkdtm: good_stack: ffffa5ea83427e20-ffffa5ea83427e40 # [ 67.134223] lkdtm: bad_stack : ffffa5ea83427da8-ffffa5ea83427dc8 # [ 67.147160] lkdtm: attempting good copy_to_user of local stack # [ 67.159883] 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 # [ 67.259935] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 67.273039] lkdtm: good_stack: ffffa5ea8348fe20-ffffa5ea8348fe40 # [ 67.279775] lkdtm: bad_stack : ffffa5ea8348fda8-ffffa5ea8348fdc8 # [ 67.292714] lkdtm: attempting good copy_from_user of local stack # [ 67.299434] 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 # [ 67.769831] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 67.777667] lkdtm: good_stack: ffffa5ea8354fe20-ffffa5ea8354fe40 # [ 67.790595] lkdtm: bad_stack : ffffa5ea8354fff8-ffffa5ea83550018 # [ 67.803540] lkdtm: attempting good copy_to_user of local stack # [ 67.816310] lkdtm: attempting bad copy_to_user of distant stack # [ 67.829150] 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 # [ 67.923609] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 67.934311] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8b8d9f10 # [ 67.949204] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8a6d1460 # [ 67.963759] 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 # [ 68.079908] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 68.087546] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 68.101652] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 68.115624] lkdtm: FAIL: the thread stack is NOT properly erased # [ 68.128601] CPU: 0 PID: 2955 Comm: cat Tainted: G D W 5.10.126-cip11 #1 # [ 68.143445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.150246] Call Trace: # [ 68.152976] dump_stack+0x77/0x97 # [ 68.156671] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 68.161823] direct_entry.cold+0x2c/0x38 # [ 68.166200] full_proxy_write+0x56/0x80 # [ 68.170480] vfs_write+0xea/0x390 # [ 68.174176] ksys_write+0x68/0xe0 # [ 68.177873] do_syscall_64+0x33/0x40 # [ 68.181861] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.187512] RIP: 0033:0x7f0ddea17f33 # [ 68.191510] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.212511] RSP: 002b:00007fff9c884fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.220965] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0ddea17f33 # [ 68.228933] RDX: 0000000000000012 RSI: 00007f0dde908000 RDI: 0000000000000001 # [ 68.236901] RBP: 00007f0dde908000 R08: 00007f0dde907010 R09: 0000000000000000 # [ 68.244869] R10: 00007f0ddeb121c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.252837] 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 # [ 68.338199] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 68.348237] lkdtm: Calling matched prototype ... # [ 68.359637] lkdtm: Calling mismatched prototype ... # [ 68.371277] 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 / #