[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 43186 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 1 apic_id 2. AP: slot 3 apic_id 3. AP: slot 2 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 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #2 Initializing CPU #1 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #1 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #2 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376147 run 167547 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: 02: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 02: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8963 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8971 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 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 8965 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 90931 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107720 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 14151 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 14146 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22370 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53539 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 13854 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 11324 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 9268 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10050 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 466044 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486147 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825952 exit 39258 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: 02 APIC: 01 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.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: 02 APIC: 01 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114088 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139313 exit 21538 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 30872 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 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2239 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 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 5969 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 23496 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 23806 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2395 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24488 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: 02: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-10 10:24:32 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-10 10:24:32 UTC ELOG: Event(A6) added with size 13 at 2023-02-10 10:24:32 UTC ELOG: Event(92) added with size 9 at 2023-02-10 10:24:32 UTC ELOG: Event(9A) added with size 9 at 2023-02-10 10:24:32 UTC ELOG: Event(AD) added with size 10 at 2023-02-10 10:24:32 UTC ELOG: Event(9F) added with size 14 at 2023-02-10 10:24:32 UTC BS: BS_DEV_INIT times (us): entry 0 run 417162 exit 66316 ELOG: Event(A1) added with size 10 at 2023-02-10 10:24:32 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-10 10:24:32 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 25553 run 3967 exit 5203 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d21a coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537694 exit 146845 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() 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 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 633 run 261929 exit 135683 mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(7aabe000) CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes Starting depthcharge on rammus... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! The GBB signature is at 0x30004020 and is: 24 47 42 42 [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21 rammus:tftpboot 192.168.201.1 9097563/tftp-deploy-5v2t3k2w/kernel/bzImage 9097563/tftp-deploy-5v2t3k2w/kernel/cmdline 9097563/tftp-deploy-5v2t3k2w/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9097563/tftp-deploy-5v2t3k2w/kernel/bzImoy-5v2t3k2w/kernel/cmdline 9097563/tftp-deploy-5v2t3k2w/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9097563/tftp-deploy-5v2t3k2w/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################# done. The bootfile was 14287840 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: 9097563/tftp-deploy-5v2t3k2w/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/9097563/extract-nfsrootfs-irz70cg4,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: 17815969 Starting kernel ... [ 0.000000] Linux version 5.10.167-cip26 (KernelCI@build-j1016864-x86-64-gcc-10-x86-64-defconfig-x86-chromebosdnmw) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 10 10:11:28 UTC 2023 [ 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/9097563/extract-nfsrootfs-irz70cg4,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 [ 0.000054] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001311] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006756] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024604] check: Scanning 1 areas for low memory corruption [ 0.024615] Using GB pages for direct mapping [ 0.025243] RAMDISK: [mem 0x377b7000-0x37ffffff] [ 0.025250] ACPI: Early table checksum verification disabled [ 0.025258] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025271] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025286] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025302] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025314] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025325] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025336] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025348] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025360] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025371] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025383] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025395] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025407] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025418] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025430] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025435] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025439] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025444] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025448] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025453] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025457] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025462] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025467] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025471] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025476] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025481] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025617] No NUMA configuration found [ 0.025621] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025631] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025674] Zone ranges: [ 0.025679] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025686] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025693] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025700] Movable zone start for each node [ 0.025704] Early memory node ranges [ 0.025709] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025714] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025719] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025725] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025759] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025801] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036672] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036746] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.036771] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.037296] ACPI: PM-Timer IO Port: 0x1808 [ 0.037351] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.037364] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.037370] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.037385] Using ACPI (MADT) for SMP configuration information [ 0.037391] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.037398] TSC deadline timer available [ 0.037403] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.037432] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.037438] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.037444] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.037448] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.037453] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.037457] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.037461] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.037465] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.037469] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.037474] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.037478] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.037482] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.037486] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.037490] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.037495] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.037503] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.037511] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.051291] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.051573] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.051650] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.051655] Policy zone: Normal [ 0.051669] 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/9097563/extract-nfsrootfs-irz70cg4,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.052176] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.052416] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.052503] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.073467] Memory: 3888300K/4089052K available (18450K kernel code, 3459K rwdata, 7984K rodata, 2016K init, 13324K bss, 200492K reserved, 0K cma-reserved) [ 0.073618] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.073677] Kernel/User page tables isolation: enabled [ 0.073767] ftrace: allocating 52722 entries in 206 pages [ 0.129181] ftrace: allocated 206 pages with 5 groups [ 0.129469] Running RCU self tests [ 0.129484] rcu: Hierarchical RCU implementation. [ 0.129489] rcu: RCU event tracing is enabled. [ 0.129493] rcu: RCU lockdep checking is enabled. [ 0.129498] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.129502] Rude variant of Tasks RCU enabled. [ 0.129506] Tracing variant of Tasks RCU enabled. [ 0.129511] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.129515] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.139875] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.140335] random: crng init done [ 0.140440] Console: colour dummy device 80x25 [ 0.215553] printk: console [ttyS0] enabled [ 0.215922] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.216581] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.216943] ... MAX_LOCK_DEPTH: 48 [ 0.217308] ... MAX_LOCKDEP_KEYS: 8192 [ 0.217690] ... CLASSHASH_SIZE: 4096 [ 0.218071] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.218460] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.218848] ... CHAINHASH_SIZE: 32768 [ 0.219238] memory used by lock dependency info: 6365 kB [ 0.219706] memory used for stack traces: 4224 kB [ 0.220125] per task-struct memory footprint: 1920 bytes [ 0.220649] ACPI: Core revision 20200925 [ 0.221239] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.221738] APIC: Switch to symmetric I/O mode setup [ 0.226278] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.227197] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.228099] pid_max: default: 32768 minimum: 301 [ 0.228178] LSM: Security Framework initializing [ 0.228178] SELinux: Initializing. [ 0.228178] LSM support for eBPF active [ 0.228178] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.228178] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.228178] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.228178] process: using mwait in idle threads [ 0.228178] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.228178] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.228178] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.228178] Spectre V2 : Mitigation: IBRS [ 0.228178] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.228178] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.228178] RETBleed: Mitigation: IBRS [ 0.228178] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.228178] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.228178] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.228178] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.228178] SRBDS: Vulnerable: No microcode [ 0.228178] ------------[ cut here ]------------ [ 0.228178] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.228178] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.228178] Modules linked in: [ 0.228178] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.167-cip26 #1 [ 0.228178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.228178] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.228178] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 60 ff de 96 c6 05 91 4a e4 01 01 e8 9d 53 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.228178] RSP: 0000:ffffffff97003de0 EFLAGS: 00010282 [ 0.228178] RAX: 0000000000000000 RBX: ffffffff97acf0f0 RCX: 0000000000000000 [ 0.228178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9557aba1 [ 0.228178] RBP: ffffffff96ad15a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.228178] R10: ffffffff9708fec0 R11: 3fffffffffffffff R12: ffffffff97ae6110 [ 0.228178] R13: cccccccccccccccc R14: ffffffff96ad15a5 R15: 0000000000000004 [ 0.228178] FS: 0000000000000000(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 0.228178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228178] CR2: ffffa252fefff000 CR3: 000000001f026001 CR4: 00000000003706f0 [ 0.228178] Call Trace: [ 0.228178] alternative_instructions+0x7d/0x143 [ 0.228178] check_bugs+0xece/0xf2a [ 0.228178] start_kernel+0x517/0x54d [ 0.228178] secondary_startup_64_no_verify+0xc2/0xcb [ 0.228178] irq event stamp: 162563 [ 0.228178] hardirqs last enabled at (162571): [] console_unlock+0x4d1/0x5f0 [ 0.228178] hardirqs last disabled at (162578): [] console_unlock+0x444/0x5f0 [ 0.228178] softirqs last enabled at (1852): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.228178] softirqs last disabled at (1850): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.228178] ---[ end trace 2c1c583885b31aa4 ]--- [ 0.228178] Freeing SMP alternatives memory: 44K [ 0.228178] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.229028] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.229198] ... version: 4 [ 0.229558] ... bit width: 48 [ 0.229921] ... generic registers: 4 [ 0.230186] ... value mask: 0000ffffffffffff [ 0.230652] ... max period: 00007fffffffffff [ 0.231116] ... fixed-purpose events: 3 [ 0.231185] ... event mask: 000000070000000f [ 0.232282] rcu: Hierarchical SRCU implementation. [ 0.235004] smp: Bringing up secondary CPUs ... [ 0.236105] x86: Booting SMP configuration: [ 0.236214] .... node #0, CPUs: #1 #2 [ 0.238581] 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. [ 0.240191] 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. [ 0.241896] #3 [ 0.242764] smp: Brought up 1 node, 4 CPUs [ 0.243202] smpboot: Max logical packages: 1 [ 0.243584] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.246572] devtmpfs: initialized [ 0.246909] x86/mm: Memory block size: 128MB [ 0.253190] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.254036] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.254787] pinctrl core: initialized pinctrl subsystem [ 0.255665] PM: RTC time: 10:24:45, date: 2023-02-10 [ 0.256811] NET: Registered protocol family 16 [ 0.258151] audit: initializing netlink subsys (disabled) [ 0.259249] audit: type=2000 audit(1676024685.032:1): state=initialized audit_enabled=0 res=1 [ 0.260265] thermal_sys: Registered thermal governor 'step_wise' [ 0.260272] thermal_sys: Registered thermal governor 'user_space' [ 0.260895] cpuidle: using governor menu [ 0.261609] ACPI: bus type PCI registered [ 0.262653] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.263196] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.263825] PCI: Using configuration type 1 for base access [ 0.293368] Kprobes globally optimized [ 0.294348] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.294796] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.296384] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.299587] ACPI: Added _OSI(Module Device) [ 0.300197] ACPI: Added _OSI(Processor Device) [ 0.300591] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.301005] ACPI: Added _OSI(Processor Aggregator Device) [ 0.301190] ACPI: Added _OSI(Linux-Dell-Video) [ 0.301588] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.302053] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317921] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.329346] ACPI: EC: EC started [ 0.329662] ACPI: EC: interrupt blocked [ 0.330982] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.331193] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.331829] ACPI: Interpreter enabled [ 0.332245] ACPI: (supports S0 S3 S4 S5) [ 0.332598] ACPI: Using IOAPIC for interrupt routing [ 0.333130] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.356265] ACPI: Power Resource [PRIC] (on) [ 0.488125] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.489201] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.490364] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.491046] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.492984] PCI host bridge to bus 0000:00 [ 0.493192] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.493782] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.494189] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.494836] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.495189] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.495836] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.497189] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.497836] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.498188] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.498835] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.499188] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.499837] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.500188] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.500831] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.502189] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.502834] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.503189] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.503835] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.504189] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.504837] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.506191] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.506784] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.508611] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.509165] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.509206] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.509841] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.511097] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.512220] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.513876] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.514219] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.515736] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.516231] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.516989] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.518259] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.518826] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.521134] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.521241] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.522957] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.523239] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.524994] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.526241] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.526862] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.528277] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.528853] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.530365] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.531123] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.533279] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.533850] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.535318] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.535891] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.537316] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.537881] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.540471] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.541040] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.542276] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.543881] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.544224] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.545833] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.546238] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.546892] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.548317] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.549911] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.550257] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.550924] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.552210] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.552768] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.554896] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.557139] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.561434] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.564489] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.564944] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.568021] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.568580] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.569574] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570570] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571568] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572593] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573594] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.574627] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.583963] ACPI: EC: interrupt unblocked [ 0.584186] ACPI: EC: event unblocked [ 0.584533] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.584983] ACPI: EC: GPE=0x6e [ 0.585192] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.585807] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.587234] iommu: Default domain type: Translated [ 0.588275] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.588828] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.589216] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.589720] vgaarb: loaded [ 0.590653] SCSI subsystem initialized [ 0.591410] ACPI: bus type USB registered [ 0.591932] usbcore: registered new interface driver usbfs [ 0.592265] usbcore: registered new interface driver hub [ 0.592783] usbcore: registered new device driver usb [ 0.593360] pps_core: LinuxPPS API ver. 1 registered [ 0.593798] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.595203] PTP clock support registered [ 0.596247] Advanced Linux Sound Architecture Driver Initialized. [ 0.598068] NetLabel: Initializing [ 0.598189] NetLabel: domain hash size = 128 [ 0.598577] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.599164] NetLabel: unlabeled traffic allowed by default [ 0.599345] PCI: Using ACPI for IRQ routing [ 0.608182] clocksource: Switched to clocksource tsc-early [ 1.097367] VFS: Disk quotas dquot_6.6.0 [ 1.097791] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.098870] pnp: PnP ACPI init [ 1.100144] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.100750] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.101344] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.101921] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.102517] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.103097] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.103720] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.104341] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.104918] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.105512] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.107263] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.108278] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.109111] system 00:04: [io 0x0200] has been reserved [ 1.109601] system 00:04: [io 0x0204] has been reserved [ 1.110072] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.110611] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.114074] pnp: PnP ACPI: found 6 devices [ 1.130817] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.131737] NET: Registered protocol family 2 [ 1.132315] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.134825] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.135841] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.136806] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.139528] TCP: Hash tables configured (established 32768 bind 32768) [ 1.140476] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.141461] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.142361] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.143441] NET: Registered protocol family 1 [ 1.144660] RPC: Registered named UNIX socket transport module. [ 1.145231] RPC: Registered udp transport module. [ 1.145647] RPC: Registered tcp transport module. [ 1.146061] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.147317] NET: Registered protocol family 44 [ 1.147733] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.148218] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.148824] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.149378] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.149917] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.150598] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.151212] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.151808] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.152418] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.153020] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.153634] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.154253] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.154854] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.155510] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.156111] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.156726] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.157345] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.157947] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.158560] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.159161] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.159796] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.160411] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.161014] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.162145] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.165357] PCI: CLS 64 bytes, default 64 [ 1.166150] Unpacking initramfs... [ 1.510583] Freeing initrd memory: 8484K [ 1.511016] DMAR: Host address width 39 [ 1.511420] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.511960] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.512699] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.513263] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.513750] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.514558] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.515121] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.516053] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.516770] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.517375] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.517869] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.518356] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.518851] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.521459] kvm: already loaded the other module [ 1.542168] check: Scanning for low memory corruption every 60 seconds [ 1.546573] Initialise system trusted keyrings [ 1.547300] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.572602] NFS: Registering the id_resolver key type [ 1.573088] Key type id_resolver registered [ 1.573510] Key type id_legacy registered [ 1.594270] Key type asymmetric registered [ 1.594667] Asymmetric key parser 'x509' registered [ 1.595151] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.595835] io scheduler mq-deadline registered [ 1.596255] io scheduler kyber registered [ 1.596884] test_firmware: interface ready [ 1.599127] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.601209] ACPI: AC Adapter [AC] (on-line) [ 1.602047] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.603887] ACPI: Lid Switch [LID0] [ 1.604541] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.605488] ACPI: Power Button [PWRF] [ 1.606351] ACPI: \_PR_.CP00: Found 3 idle states [ 1.607631] ACPI: \_PR_.CP01: Found 3 idle states [ 1.608807] ACPI: \_PR_.CP02: Found 3 idle states [ 1.609981] ACPI: \_PR_.CP03: Found 3 idle states [ 1.611696] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.615793] hpet_acpi_add: no address or irqs in _CRS [ 1.616690] Non-volatile memory driver v1.3 [ 1.617368] Linux agpgart interface v0.103 [ 1.618813] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.621285] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.674683] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.676509] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.708987] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.713707] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.737440] loop: module loaded [ 1.738763] lkdtm: No crash points registered, enable through debugfs [ 1.768382] printk: console [ttyS0] disabled [ 1.769850] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.562409] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.564264] printk: console [ttyS0] enabled [ 2.571061] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.599619] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.186532] fbcon: i915drmfb (fb0) is primary device [ 5.188596] clocksource: Switched to clocksource tsc [ 5.189102] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.199952] e100: Intel(R) PRO/100 Network Driver [ 5.199958] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.200090] e1000: Intel(R) PRO/1000 Network Driver [ 5.200093] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.200130] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.200427] e1000e: Intel(R) PRO/1000 Network Driver [ 5.200431] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.200576] sky2: driver version 1.30 [ 5.201310] usbcore: registered new interface driver r8152 [ 5.202316] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.202385] ehci-pci: EHCI PCI platform driver [ 5.202492] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.202514] ohci-pci: OHCI PCI platform driver [ 5.202669] uhci_hcd: USB Universal Host Controller Interface driver [ 5.205130] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.206620] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.208329] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.208443] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.212354] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.213069] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.213089] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.213893] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.213919] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.213971] usb usb1: Product: xHCI Host Controller [ 5.213998] usb usb1: Manufacturer: Linux 5.10.167-cip26 xhci-hcd [ 5.214004] usb usb1: SerialNumber: 0000:00:14.0 [ 5.216608] hub 1-0:1.0: USB hub found [ 5.217027] hub 1-0:1.0: 12 ports detected [ 5.225284] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.225296] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.225303] usb usb2: Product: xHCI Host Controller [ 5.225310] usb usb2: Manufacturer: Linux 5.10.167-cip26 xhci-hcd [ 5.225316] usb usb2: SerialNumber: 0000:00:14.0 [ 5.225669] Console: switching to colour frame buffer device 240x67 [ 5.225684] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.227021] hub 2-0:1.0: USB hub found [ 5.227152] hub 2-0:1.0: 6 ports detected [ 5.230360] usbcore: registered new interface driver usblp [ 5.230507] usbcore: registered new interface driver usb-storage [ 5.231259] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.231517] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.231520] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.232525] i8042: Warning: Keylock active [ 5.232915] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.236394] rtc_cmos 00:02: RTC can wake from S4 [ 5.239506] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.240071] rtc_cmos 00:02: registered as rtc0 [ 5.240520] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.242235] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.242295] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.243607] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.245665] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.250317] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.255936] intel_pstate: Intel P-state driver initializing [ 5.365949] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.394856] intel_pstate: HWP enabled [ 5.463210] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.468347] sdhci: Secure Digital Host Controller Interface driver [ 5.656164] sdhci: Copyright(c) Pierre Ossman [ 5.661082] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.669658] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.670361] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.678836] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.686745] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.704772] hid: raw HID events driver (C) Jiri Kosina [ 5.710979] usbcore: registered new interface driver usbhid [ 5.717219] usbhid: USB HID core driver [ 5.721929] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.739574] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.747228] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.757282] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.758073] netem: version 1.3 [ 5.768763] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.775209] IPv4 over IPsec tunneling driver [ 5.778206] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.780309] Initializing XFRM netlink socket [ 5.789148] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.794642] NET: Registered protocol family 10 [ 5.801912] usb 2-3: Product: USB 10/100/1000 LAN [ 5.807814] Segment Routing with IPv6 [ 5.812153] usb 2-3: Manufacturer: Realtek [ 5.812156] usb 2-3: SerialNumber: 001000001 [ 5.817154] NET: Registered protocol family 17 [ 5.830920] Key type dns_resolver registered [ 5.836558] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.842738] microcode: Microcode Update Driver: v2.2. [ 5.842746] IPI shorthand broadcast: enabled [ 5.853275] sched_clock: Marking stable (5766299403, 86883934)->(5944908099, -91724762) [ 5.862563] registered taskstats version 1 [ 5.867156] Loading compiled-in X.509 certificates [ 5.874363] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.884734] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.891230] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.894488] PM: Magic number: 11:160:426 [ 5.904884] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.914706] printk: console [netcon0] enabled [ 5.919632] netconsole: network logging started [ 5.928099] mmc0: new HS400 MMC card at address 0001 [ 5.934794] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.940038] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.946800] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.953634] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.953743] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.971015] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.981717] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.060364] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.069560] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.077571] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.082958] usb 1-9: Manufacturer: Azurewave [ 6.087762] usb 1-9: SerialNumber: 0x0001 [ 6.100260] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.145524] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.190264] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.228292] r8152 2-3:1.0 eth0: v1.11.11 [ 6.233448] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.837567] r8152 2-3:1.0 eth0: carrier on [ 7.839385] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.851325] Sending DHCP requests . [ 10.322175] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[3713129f] [ 10.333534] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[3713129f] [ 10.707341] ., OK [ 10.713846] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 10.722852] IP-Config: Complete: [ 10.726499] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 10.738226] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 10.747488] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.747492] nameserver0=192.168.201.1 [ 10.760348] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.771882] modprobe (102) used greatest stack depth: 14208 bytes left [ 10.775094] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.779226] modprobe (103) used greatest stack depth: 14120 bytes left [ 10.786632] ALSA device list: [ 10.797385] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.798219] No soundcards found. [ 10.807108] cfg80211: failed to load regulatory.db [ 10.816700] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.826607] Freeing unused kernel image (initmem) memory: 2016K [ 10.840449] Write protecting the kernel read-only data: 28672k [ 10.848230] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.855923] Freeing unused kernel image (rodata/data gap) memory: 208K [ 10.863268] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 10.885199] systemd-udevd (124) used greatest stack depth: 13800 bytes left [ 10.942356] udevadm (126) used greatest stack depth: 13576 bytes left [ 11.092926] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 11.101961] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.144470] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.185819] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.196506] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.206859] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.221047] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.232412] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.243139] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.279035] udevadm (148) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 11.408828] nfsmount (165) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.581463] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.619530] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.649418] systemd[1]: Set hostname to . [ 13.245755] systemd[1]: Queued start job for default target Graphical Interface. [ 13.257343] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.273926] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.289892] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.306896] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.322765] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.341752] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.363374] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.386591] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.402495] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.413451] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.429528] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.440451] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.451786] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.469806] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.486561] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.502990] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.518510] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.537380] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.552801] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.570446] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.587329] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.605481] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.622459] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.646244] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.666626] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.684004] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.700222] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.718001] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.731917] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.747812] fuse: init (API version 7.32) [ 13.749942] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.766248] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.784929] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.801420] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.816545] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.832480] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.847491] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.863479] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 13.885167] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.892173] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 13.908345] systemd[1]: modprobe@drm.service: Succeeded. [ 13.915116] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 13.932321] systemd[1]: modprobe@fuse.service: Succeeded. [ 13.939261] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 13.956436] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 13.972167] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 13.992177] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.009218] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 14.027916] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.037584] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.049886] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 14.065893] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 14.081229] systemd[1]: Starting Create System Users... Starting Create System Users... [ 14.095742] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. Starting Flush Journal to Persistent Storage... Starting Create Static Device Nodes in /dev... [ 14.197480] systemd-journald[201]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Finished Permit User Sessions. [ OK ] Started User Login Management. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.167-cip26 #1 SMP Fri Feb 10 10:11:28 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9097563/extract-nfsrootfs-irz70cg4' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9097563/extract-nfsrootfs-irz70cg4' / # 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-9097563/environment . /lava-9097563/environment / # /lava-9097563/bin/lava-test-runner /lava-9097563/0 /lava-9097563/bin/lava-test-runner /lava-9097563/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9097563/0/tests/0_timesync-off ++ cat uuid + UUID=9097563_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd [ 19.658605] systemd-timesyn (249) used greatest stack depth: 12608 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9097563/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9097563_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.167-cip26/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9097563/0/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: install_deps skipped --2023-02-10 10:25:05-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.167-cip26/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: 3321636 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 219.84K 387KB/s kselftest.tar.xz 14%[=> ] 480.51K 559KB/s kselftest.tar.xz 41%[=======> ] 1.30M 1.14MB/s kselftest.tar.xz 63%[===========> ] 2.00M 1.41MB/s kselftest.tar.xz 85%[================> ] 2.72M 1.66MB/s kselftest.tar.xz 98%[==================> ] 3.11M 1.68MB/s kselftest.tar.xz 100%[===================>] 3.17M 1.71MB/s in 1.9s 2023-02-10 10:25:07 (1.71 MB/s) - 'kselftest.tar.xz' saved [3321636/3321636] [ 22.433522] basename (330) used greatest stack depth: 12528 bytes left 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 31.275759] 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 [ 31.438096] lkdtm: Performing direct entry BUG [ 31.443174] ------------[ cut here ]------------ [ 31.448387] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 31.454252] invalid opcode: 0000 [#1] SMP PTI [ 31.459117] CPU: 3 PID: 641 Comm: cat Tainted: G W 5.10.167-cip26 #1 [ 31.467674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.474474] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.478855] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 31.499837] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 31.505672] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.513633] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 31.521602] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 31.529572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.537542] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 31.545512] FS: 00007f3d4e16a580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 31.554541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.560959] CR2: 00007f3d4df73000 CR3: 0000000105bd0005 CR4: 00000000003706e0 [ 31.568920] Call Trace: [ 31.571649] direct_entry.cold+0x2c/0x38 [ 31.576030] full_proxy_write+0x53/0x80 [ 31.580317] vfs_write+0xe7/0x3a0 [ 31.584016] ksys_write+0x68/0xf0 [ 31.587714] do_syscall_64+0x30/0x40 [ 31.591703] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.597336] RIP: 0033:0x7f3d4e080833 [ 31.601325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.622308] RSP: 002b:00007ffd9c785e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.630765] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3d4e080833 [ 31.638735] RDX: 0000000000000004 RSI: 00007f3d4df73000 RDI: 0000000000000001 [ 31.646706] RBP: 00007f3d4df73000 R08: 00007f3d4df72010 R09: 0000000000000000 [ 31.654667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.662636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.670609] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.697060] ---[ end trace 2c1c583885b31aa6 ]--- [ 31.702250] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.706624] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 31.727621] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 31.733490] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.741492] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 31.749492] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 31.757494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.765498] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 31.773522] FS: 00007f3d4e16a580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 31.782571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.789009] CR2: 00007f3d4df73000 CR3: 0000000105bd0005 CR4: 00000000003706e0 # Segmentation fault # [ 31.438096] lkdtm: Performing direct entry BUG # [ 31.443174] ------------[ cut here ]------------ # [ 31.448387] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.454252] invalid opcode: 0000 [#1] SMP PTI # [ 31.459117] CPU: 3 PID: 641 Comm: cat Tainted: G W 5.10.167-cip26 #1 # [ 31.467674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.474474] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.478855] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 31.869762] lkdtm: Performing direct entry WARNING 40 3d 92 02 # [ 31.499837] RSP: 0018:ffffa895c1397e60 EFLAGS[ 31.877239] ------------[ cut here ]------------ [ 31.888623] WARNING: CPU: 3 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 : 00010282 # [ 31.505672] RAX: ffffffff95ce4910 RBX: 00000000[ 31.898063] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.930694] CPU: 3 PID: 677 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 31.939271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.946112] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 31.950975] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d [ 31.971958] RSP: 0018:ffffa895c1417e60 EFLAGS: 00010202 [ 31.977794] RAX: ffffffff95ce4920 RBX: 0000000000000002 RCX: 0000000000000000 00000001 RCX: 0000000000000000 # [ 31.513633] RDX: 0000000000[ 31.985766] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1120 [ 31.999953] RBP: ffffffff96eb234f R08: 0000000000000000 R09: 0000000000000000 [ 32.007926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 32.015898] R13: ffffa895c1417f10 R14: ffffa895c1417f10 R15: ffffa252830d9000 [ 32.023869] FS: 00007f144f17f580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 32.032907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.039326] CR2: 00007f144ef88000 CR3: 0000000106154001 CR4: 00000000003706e0 [ 32.047295] Call Trace: [ 32.050019] direct_entry.cold+0x2c/0x38 [ 32.054431] full_proxy_write+0x53/0x80 [ 32.058745] vfs_write+0xe7/0x3a0 [ 32.062446] ksys_write+0x68/0xf0 [ 32.066147] do_syscall_64+0x30/0x40 [ 32.070140] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.075784] RIP: 0033:0x7f144f095833 [ 32.079774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.100755] RSP: 002b:00007fff3d0d41f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.109218] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f144f095833 [ 32.117189] RDX: 0000000000000008 RSI: 00007f144ef88000 RDI: 0000000000000001 [ 32.125162] RBP: 00007f144ef88000 R08: 00007f144ef87010 R09: 0000000000000000 [ 32.133133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.141105] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.149081] irq event stamp: 0 000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 31.521[ 32.152517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.165729] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.174864] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 32.184000] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.190999] ---[ end trace 2c1c583885b31aa7 ]--- 602] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 31.529572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.537542] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 31.545512] FS: 00007f3d4e16a580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 31.554541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.560959] CR2: 00007f3d4df73000 CR3: 0000000105bd0005 CR4: 00000000003706e0 # [ 31.568920] Call Trace: # [ 31.571649] direct_entry.cold+0x2c/0x38 # [ 31.576030] full_proxy_write+0x53/0x80 # [ 31.580317] vfs_write+0xe7/0x3a0 # [ 31.584016] ksys_write+0x68/0xf0 # [ 31.587714] do_syscall_64+0x30/0x40 # [ 31.591703] entry_SYSCALL_64_[ 32.267834] lkdtm: Performing direct entry WARNING_MESSAGE after_hwframe+0x61/0xc6 # [ 31.597336] RIP: 0033:0x7f3d4e0808[ 32.276910] ------------[ cut here ]------------ 33 # [ 31.601325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c[ 32.288283] Warning message trigger count: 2 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 32.299283] WARNING: CPU: 2 PID: 712 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 32.315686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 48 83 ec 28 48 89 54 24 18 # [ 31.622308] RSP: 002b:00007ff[ 32.348358] CPU: 2 PID: 712 Comm: cat Tainted: G D W 5.10.167-cip26 #1 d9c785e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.[ 32.363102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 630765] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3[ 32.376124] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 d4e080833 # [ 31.638735] RDX: 0000000000000004 RSI: 00007f3d4[ 32.387981] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d 92 02 48 c7 c7 b0 28 eb 96 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 df73000 RDI: 0000000000000001 # [ 31.646706] RBP: 00007f3d4df[ 32.415184] RSP: 0018:ffffa895c149fe60 EFLAGS: 00010286 [ 32.427235] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 73000 R08: 00007f3d4df72010 R09: 0000000000000000 # [ 31.6546[ 32.435220] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 [ 32.449401] RBP: ffffffff96eb2357 R08: 0000000000000000 R09: 0000000000000000 67] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 32.457377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 32.471562] R13: ffffa895c149ff10 R14: ffffa895c149ff10 R15: ffffa25284046000 00001 # [ 31.662636] R13: 0000000000000001 R14: 0000000000020[ 32.479538] FS: 00007fc5965d7580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 32.494788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000 R15: 0000000000020000 # [ 31.670609] Modules linked in: f[ 32.501218] CR2: 00007fc5963e0000 CR3: 0000000105bfa006 CR4: 00000000003706e0 [ 32.515401] Call Trace: use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_[ 32.518135] direct_entry.cold+0x2c/0x38 triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_de[ 32.528724] full_proxy_write+0x53/0x80 bugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg[ 32.539223] vfs_write+0xe7/0x3a0 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.697060] --[ 32.549140] ksys_write+0x68/0xf0 -[ end trace 2c1c583885b31aa6 ]--- # [ 31.702250] RIP: 0010:l[ 32.559057] do_syscall_64+0x30/0x40 kdtm_BUG+0x5/0x10 # [ 31.706624] Code: 89 ff e8 ce 62 a3 ff 4[ 32.569266] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 32.581127] RIP: 0033:0x7fc5964ed833 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 32.591333] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 31.727621] RS[ 32.618534] RSP: 002b:00007fffbf975c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 P: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 31.733490] RAX:[ 32.633219] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc5964ed833 [ 32.647407] RDX: 0000000000000010 RSI: 00007fc5963e0000 RDI: 0000000000000001 ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 #[ 32.655381] RBP: 00007fc5963e0000 R08: 00007fc5963df010 R09: 0000000000000000 [ 32.669563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.741492] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI:[ 32.677539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffff96ad1110 # [ 31.749492] RBP: ffffffff96f0db00 R08: 0[ 32.691746] irq event stamp: 0 [ 32.701350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000001 R09: 0000000000000001 # [ 31.757494] R10: 000[ 32.708356] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.723702] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 32.732842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.746053] ---[ end trace 2c1c583885b31aa8 ]--- 31.765498] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 31.773522] FS: 00007f3d4e16a580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 31.782571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.789009] CR2: 00007f3d4df73000 CR3: 0000000105bd0005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 31.869762] lkdtm: Performing direct entry WARNING # [ 31.877239] ------------[ cut here ]------------ # [ 31.888623] WARNING: CPU: 3 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 31.898063] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 32.821536] lkdtm: Performing direct entry EXCEPTION [ 32.831353] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 32.839135] #PF: supervisor write access in kernel mode [ 32.844969] #PF: error_code(0x0002) - not-present page [ 32.850705] PGD 0 P4D 0 [ 32.853530] Oops: 0002 [#2] SMP PTI [ 32.857412] CPU: 3 PID: 744 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 32.865963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.872770] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 32.877729] Code: 48 c7 c7 b0 28 eb 96 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 32.898712] RSP: 0018:ffffa895c152fe60 EFLAGS: 00010282 [ 32.904545] RAX: ffffffff95ce4970 RBX: 0000000000000004 RCX: 0000000000000000 [ 32.912515] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1140 [ 32.920485] RBP: ffffffff96de70f7 R08: 0000000000000000 R09: 0000000000000000 [ 32.928454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 32.936424] R13: ffffa895c152ff10 R14: ffffa895c152ff10 R15: ffffa25282763000 [ 32.944394] FS: 00007f5d4e3e5580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 32.953431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.959845] CR2: 0000000000000000 CR3: 0000000106020004 CR4: 00000000003706e0 [ 32.967814] Call Trace: [ 32.970542] direct_entry.cold+0x2c/0x38 [ 32.974920] full_proxy_write+0x53/0x80 [ 32.979216] vfs_write+0xe7/0x3a0 [ 32.982914] ksys_write+0x68/0xf0 [ 32.986614] do_syscall_64+0x30/0x40 [ 32.990604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.996244] RIP: 0033:0x7f5d4e2fb833 [ 33.000270] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.021261] RSP: 002b:00007fff979bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.029720] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5d4e2fb833 [ 33.037690] RDX: 000000000000000a RSI: 00007f5d4e1ee000 RDI: 0000000000000001 [ 33.045659] RBP: 00007f5d4e1ee000 R08: 00007f5d4e1ed010 R09: 0000000000000000 [ 33.053628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.061596] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.069569] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify alio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_char[ 33.096029] CR2: 0000000000000000 [ 33.105940] ---[ end trace 2c1c583885b31aa9 ]--- [ 33.111093] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.115470] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 33.136456] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 33.142290] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.150266] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 33.158237] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 33.166214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.174183] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 33.182154] FS: 00007f5d4e3e5580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 33.191214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.197629] CR2: 0000000000000000 CR3: 0000000106020004 CR4: 00000000003706e0 [ 33.205599] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.215513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat [ 33.223870] INFO: lockdep is turned off. [ 33.228265] irq event stamp: 0 [ 33.231661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.238661] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 33.247787] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 33.256913] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.263912] CPU: 3 PID: 744 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 33.272461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.279264] Call Trace: [ 33.281993] dump_stack+0x77/0x9b [ 33.285691] ___might_sleep.cold+0xa6/0xb6 [ 33.290263] exit_signals+0x1c/0x2e0 [ 33.294261] do_exit+0xc2/0xaf0 [ 33.297764] ? ksys_write+0x68/0xf0 [ 33.301654] make_task_dead+0x2f/0x30 [ 33.305731] rewind_stack_and_make_dead+0x17/0x20 [ 33.310972] RIP: 0033:0x7f5d4e2fb833 [ 33.314960] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.335931] RSP: 002b:00007fff979bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.344377] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5d4e2fb833 [ 33.352346] RDX: 000000000000000a RSI: 00007f5d4e1ee000 RDI: 0000000000000001 [ 33.360313] RBP: 00007f5d4e1ee000 R08: 00007f5d4e1ed010 R09: 0000000000000000 [ 33.368279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.376266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.930694] CPU: 3 PID: 677 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 31.939271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.946112] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 31.950975] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d # [ 31.971958] RSP: 0018:ffffa895c1417e60 EFLAGS: 00010202 # [ 31.977794] RAX: ffffffff95ce4920 RBX: 0000000000000002 RCX: 0000000000000000 # [ 31.985766] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1120 # [ 31.999953] RBP: ffffffff96eb234f R08: 0000000000000000 R09: 0000000000000000 # [ 32.007926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 32.015898] R13: ffffa895c1417f10 R14: ffffa895c1417f10 R15: ffffa252830d9000 # [ 32.023869] FS: 00007f144f17f580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 32.032907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.039326] CR2: 00007f144ef88000 CR3: 0000000106154001 CR4: 00000000003706e0 # [ 32.047295] Call Trace: # [ 32.050019] direct_entry.cold+0x2c/0x38 # [ 32.054431] full_proxy_write+0x53/0x80 # [ 32.058745] vfs_write+0xe7/0x3a0 # [ 32.062446] ksys_write+0x68/0xf0 # [ 32.066147] do_syscall_64+0x30/0x40 # [ 32.070140] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.075784] RIP: 0033:0x7f144f095833 # [ 32.079774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.100755] RSP: 002b:00007fff3d0d41f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.109218] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f144f095833 # [ 32.117189] RDX: 0000000000000008 RSI: 00007f144ef88000 RDI: 0000000000000001 # [ 32.125162] RBP: 00007f144ef88000 R08: 00007f144ef87010 R09: 0000000000000000 # [ 32.133133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.141105] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.149081] irq event stamp: 0 # [ 32.152517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.165729] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.174864] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.184000] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.190999] ---[ end trace 2c1c583885b31aa7 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 32.267834] lkdtm: Performing direct entry WARNING_MESSAGE # [ 32.276910] ------------[ cut here ]------------ # [ 32.288283] Warning message trigger count: 2 # [ 32.299283] WARNING: CPU: 2 PID: 712 at drivers[ 33.682533] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 33.688847] lkdtm: attempting good list addition /misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.[ 33.694032] lkdtm: attempting corrupted list addition [ 33.705879] lkdtm: list_add() corruption not detected! 315686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.348358] CPU: 2 PID: 712 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 32.363102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.376124] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.387981] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 3d 92 02 48 c7 c7 b0 28 eb 96 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 33.779425] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 33.786269] lkdtm: attempting good list removal [ 33.791361] lkdtm: attempting corrupted list removal [ 33.796936] lkdtm: list_del() corruption not detected! # [ 32.415184] RSP: 0018:ffffa895c149fe60 EFLAGS: 00010286 # [ 32.427235] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 32.435220] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 32.449401] RBP: ffffffff96eb2357 R08: 0000000000000000 R09: 0000000000000000 # [ 32.457377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 32.471562] R13: ffffa895c149ff10 R14: ffffa895c149ff10 R15: ffffa25284046000 # [ 32.479538] FS: 00007fc5965d7580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 32.494788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.501218] CR2: 00007fc5963e0000 CR3: 0000000105bfa006 CR4: 00000000003706e0 # [ 32.515401] Call Trace: # [ 32[ 33.874448] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 33.884323] lkdtm: attempting bad read from page below current stack [ 33.891472] BUG: stack guard page was hit at 000000005be3441f (stack is 00000000f89071b5..0000000099862751) .[518135] direct_entry.cold+0x2c/0x38 # [ 32.528724] full_pr 33.902370] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 33.915393] CPU: 3 PID: 969 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 33.923945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.930752] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 33.937268] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 2c eb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 90 2c eb 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 [ 33.958268] RSP: 0018:ffffa895c1857e50 EFLAGS: 00010246 [ 33.964102] RAX: 0000000000000038 RBX: ffffa895c1854000 RCX: 0000000000000000 [ 33.972072] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96eb2c90 [ 33.980042] RBP: ffffffff96eb23ba R08: 0000000000000000 R09: 0000000000000000 [ 33.988013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 33.995983] R13: ffffa895c1857f10 R14: ffffa895c1857f10 R15: ffffa25284f99000 [ 34.003952] FS: 00007f884c785580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 34.012989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.019404] CR2: ffffa895c1853fff CR3: 0000000104122002 CR4: 00000000003706e0 [ 34.027374] Call Trace: [ 34.030101] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 34.035160] direct_entry.cold+0x2c/0x38 [ 34.039539] full_proxy_write+0x53/0x80 [ 34.043820] vfs_write+0xe7/0x3a0 [ 34.047518] ksys_write+0x68/0xf0 [ 34.051218] do_syscall_64+0x30/0x40 [ 34.055216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.060846] RIP: 0033:0x7f884c69b833 [ 34.064833] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.085817] RSP: 002b:00007ffc6408ffc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.094267] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f884c69b833 [ 34.102238] RDX: 0000000000000019 RSI: 00007f884c58e000 RDI: 0000000000000001 [ 34.110214] RBP: 00007f884c58e000 R08: 00007f884c58d010 R09: 0000000000000000 [ 34.118183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.126151] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.134123] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify oxy_write+0x53/0x80 # [ 32.539223] vfs_write+0xe7/0x3a0 # [[ 34.160583] ---[ end trace 2c1c583885b31aaa ]--- [ 34.171947] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.176323] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 34.197305] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 34.203128] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.211098] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 34.219068] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 34.227038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.235007] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 34.242977] FS: 00007f884c785580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 34.252015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.258430] CR2: ffffa895c1853fff CR3: 0000000104122002 CR4: 00000000003706e0 32.549140] ksys_write+0x68/0xf0 # [ 32.559057] do_syscall_64+0x30/0x40 # [ 32.569266] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.581127] RIP: 0033:0x7fc5964ed833 # [ 32.591333] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.618534] RSP: 002b:00007fffbf975c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.633219] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc5964ed833 # [ 32.647407] RDX: 0000000000000010 RSI: 00007fc5963e0000 RDI: 0000000000000001 # [ 32.655381] RBP: 00007fc5963e0000 R08: 00007fc5963df010 R09: 0000000000000000 # [ 32.669563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.677539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 34.348057] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 34.360575] lkdtm: attempting bad read from page above current stack [ 34.367703] BUG: stack guard page was hit at 0000000082366f5c (stack is 00000000a5eed5a6..0000000092510f4a) [ 34.378596] kernel stack overflow (page fault): 0000 [#4] SMP PTI 000000020000 # [ 32.691746] irq event stamp: 0 # [ 32.7013[ 34.385404] CPU: 1 PID: 1002 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 34.400269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.407079] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 34.413689] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 2c eb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 08 2d eb 96 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff [ 34.434672] RSP: 0018:ffffa895c190fe50 EFLAGS: 00010246 [ 34.440497] RAX: 0000000000000038 RBX: ffffa895c190c000 RCX: 0000000000000000 [ 34.448466] RDX: 0000000000000000 RSI: ffffa252fac9bf70 RDI: ffffffff96eb2d08 [ 34.456434] RBP: ffffffff96eb23d3 R08: 0000000000000000 R09: 0000000000000000 [ 34.464405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 34.472373] R13: ffffa895c190ff10 R14: ffffa895c190ff10 R15: ffffa252828de000 [ 34.480343] FS: 00007f3580f95580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 [ 34.489370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.495784] CR2: ffffa895c1910000 CR3: 0000000106078001 CR4: 00000000003706e0 [ 34.503753] Call Trace: [ 34.506479] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 34.512305] direct_entry.cold+0x2c/0x38 [ 34.516682] full_proxy_write+0x53/0x80 [ 34.520954] vfs_write+0xe7/0x3a0 [ 34.524651] ksys_write+0x68/0xf0 [ 34.528348] do_syscall_64+0x30/0x40 [ 34.532336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.537977] RIP: 0033:0x7f3580eab833 [ 34.541965] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.562949] RSP: 002b:00007ffe5f35b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.571404] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3580eab833 [ 34.579373] RDX: 000000000000001a RSI: 00007f3580d9e000 RDI: 0000000000000001 [ 34.587343] RBP: 00007f3580d9e000 R08: 00007f3580d9d010 R09: 0000000000000000 [ 34.595311] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.603281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.611274] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 50] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 34.637736] ---[ end trace 2c1c583885b31aab ]--- [ 34.649103] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.653471] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 34.674454] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 34.680288] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.688270] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 34.696240] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 34.704216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.712185] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 34.720155] FS: 00007f3580f95580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 [ 34.729217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.735631] CR2: ffffa895c1910000 CR3: 0000000106078001 CR4: 00000000003706e0 [ 34.743602] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.753513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1002, name: cat [ 34.761968] INFO: lockdep is turned off. [ 34.766345] irq event stamp: 0 [ 34.769749] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.776748] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 34.785882] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 34.795017] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.802015] CPU: 1 PID: 1002 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 34.810664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.817468] Call Trace: [ 34.820214] dump_stack+0x77/0x9b [ 34.823914] ___might_sleep.cold+0xa6/0xb6 [ 34.828486] exit_signals+0x1c/0x2e0 [ 34.832475] do_exit+0xc2/0xaf0 [ 34.835979] ? ksys_write+0x68/0xf0 [ 34.839864] make_task_dead+0x2f/0x30 [ 34.843950] rewind_stack_and_make_dead+0x17/0x20 [ 34.849216] RIP: 0033:0x7f3580eab833 [ 34.853216] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.874215] RSP: 002b:00007ffe5f35b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.882671] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3580eab833 [ 34.890640] RDX: 000000000000001a RSI: 00007f3580d9e000 RDI: 0000000000000001 [ 34.898611] RBP: 00007f3580d9e000 R08: 00007f3580d9d010 R09: 0000000000000000 [ 34.906580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.914550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 32.708356] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.723702] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.732842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.746053] ---[ end trace 2c1c583885b31aa8 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 32.821536] lkdtm: Performing direct entry EXCEPTION # [ 32.831353] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 32.839135] #PF: supervisor write access in kernel mode # [ 32.844969] #PF: error_code(0x0002) - not-present page # [ 32.850705] PGD 0 P4D 0 # [ 32.853530] Oops: 0002 [#2] SMP PTI # [ 32.857412] CPU: 3 PID: 744 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 32.865963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.872770] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 32.877729] Code: 48 c7 c7 b0 28 eb 96 8d 70 01 89 35 11 3d 92 02 e8 e2 9e 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 32.898712] RSP: 0018:ffffa895c152fe60 EFLAGS: 00010282 # [ 32.904545] RAX: ffffffff95ce4970 RBX: 0000000000000004 [ 35.047730] lkdtm: Performing direct entry UNSET_SMEP RCX: 0000000000000000 # [ 32.912515] RDX: 0000000000000000 RS[ 35.058801] lkdtm: trying to clear SMEP normally I: ffffa252fad9bf70 RDI: ffffffff96ad1140 # [ 32.920485] RBP:[ 35.070149] ------------[ cut here ]------------ ffffffff96de70f7 R08: 0000000000000000 R09: 0000000000000000 #[ 35.081519] pinned CR4 bits changed: 0x100000!? [ 32.928454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 35.092823] WARNING: CPU: 0 PID: 1038 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000000000000000a # [ 32.936424] R13: ffffa895c152ff10 R14: f[ 35.109236] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffa895c152ff10 R15: ffffa25282763000 # [ 32.944394] FS: 000[ 35.141899] CPU: 0 PID: 1038 Comm: cat Tainted: G D W 5.10.167-cip26 #1 07f5d4e3e5580(0000) GS:ffffa252fad80000(0000) knlGS:000000000000[ 35.156762] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000 # [ 32.953431] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 35.169793] RIP: 0010:native_write_cr4+0x45/0x60 80050033 # [ 32.959845] CR2: 0000000000000000 CR3: 0000000106[ 35.181192] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 10 11 df 96 c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 020004 CR4: 00000000003706e0 # [ 32.967814] Call Trace: # [ [ 35.208398] RSP: 0018:ffffa895c198fe48 EFLAGS: 00010286 32.970542] direct_entry.cold+0x2c/0x38 # [ 32.974920] ful[ 35.220437] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 l_proxy_write+0x53/0x80 # [ 32.979216] vfs_write+0xe7/0x3a0 [ 35.234640] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 32.982914] ksys_write+0x68/0xf0 # [ 32.986614] do_sy[ 35.248857] RBP: ffffffff96eb23ed R08: 0000000000000000 R09: 0000000000000000 scall_64+0x30/0x40 # [ 32.990604] entry_SYSCALL_64_after_hwf[ 35.263092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b rame+0x61/0xc6 # [ 32.996244] RIP: 0033:0x7f5d4e2fb833 # [ [ 35.277302] R13: ffffa895c198ff10 R14: ffffa895c198ff10 R15: ffffa25283eb2000 33.000270] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 35.291499] FS: 00007f114b302580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 35.306749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 35.319383] CR2: 00007f114b10b000 CR3: 00000001058e4006 CR4: 00000000003706f0 c 28 48 89 54 24 18 # [ 33.021261] RSP: 002b:00007fff979bfee8[ 35.333583] Call Trace: EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.029720] R[ 35.342549] lkdtm_UNSET_SMEP.cold+0x1d/0x103 AX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5d4e2fb833[ 35.353676] direct_entry.cold+0x2c/0x38 # [ 33.037690] RDX: 000000000000000a RSI: 00007f5d4e1ee000 R[ 35.364233] full_proxy_write+0x53/0x80 DI: 0000000000000001 # [ 33.045659] RBP: 00007f5d4e1ee000 R08[ 35.374759] vfs_write+0xe7/0x3a0 : 00007f5d4e1ed010 R09: 0000000000000000 # [ 33.053628] R10: [ 35.384658] ksys_write+0x68/0xf0 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.394571] do_syscall_64+0x30/0x40 [ 33.061596] R13: 0000000000000001 R14: 0000000000020000 R15: [ 35.404772] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000020000 # [ 33.069569] Modules linked in: fuse ip_ta[ 35.416632] RIP: 0033:0x7f114b218833 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 35.426819] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cro[ 35.454033] RSP: 002b:00007ffde3f95078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 s_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_the[ 35.468693] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f114b218833 rmal cros_ec_dev cros_usbpd_notify # [ 33.096029] CR2: 000000[ 35.482890] RDX: 000000000000000b RSI: 00007f114b10b000 RDI: 0000000000000001 0000000000 # [ 33.105940] ---[ end trace 2c1c583885b31aa9 ]--[ 35.497063] RBP: 00007f114b10b000 R08: 00007f114b10a010 R09: 0000000000000000 - # [ 33.111093] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.11547[ 35.511268] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[ 35.525441] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44[ 35.539651] irq event stamp: 0 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 4[ 35.549258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 3d 92 02 # [ 33.136456] RSP: 0018:ffffa895c1397e60 EFLAGS: [ 35.562486] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00010282 # [ 33.142290] RAX: ffffffff95ce4910 RBX: 0000000000[ 35.577822] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 000001 RCX: 0000000000000000 # [ 33.150266] RDX: 000000000000[ 35.593175] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 33.15823[ 35.606389] ---[ end trace 2c1c583885b31aac ]--- 7] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 000000000000[ 35.617762] lkdtm: ok: SMEP did not get cleared 0001 # [ 33.166214] R10: 00000000ffffe000 R11: 3fffffffffffff[ 35.629025] lkdtm: trying to clear SMEP with call gadget ff R12: 0000000000000004 # [ 33.174183] R13: ffffa895c1397f10[ 35.641197] lkdtm: ok: SMEP removal was reverted R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 33.182154] FS: 00007f5d4e3e5580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 33.191214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.197629] CR2: 0000000000000000 CR3: 0000000106020004 CR4: 00000000003706e0 # [ 33.205599] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.215513] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat # [ 33.223870] INFO: lockdep is turned off. # [ 33.228265] irq event stamp: 0 # [ 33.231661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.238661] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.247787] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.256913] softirqs last disabled at (0): [<00000000000[ 35.733583] lkdtm: Performing direct entry DOUBLE_FAULT 00000>] 0x0 # [ 33.263912] CPU: 3 PID: 744 Comm: cat Tainted:[ 35.745396] lkdtm: XFAIL: this test is ia32-only G D W 5.10.167-cip26 #1 # [ 33.272461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.279264] Call Trace: # [ 33.281993] dump_stack+0x77/0x9b # [ 33.285691] ___might_sleep.cold+0xa6/0xb6 # [ 33.290263] exit_signals+0x1c/0x2e0 # [ 33.294261] do_exit+0xc2/0xaf0 # [ 33.297764] ? ksys_write+0x68/0xf0 # [ 33.301654] make_task_dead+0x2f/0x30 # [ 33.305731] rewind_stack_and_make_dead+0x17/0x20 # [ 33.310972] RIP: 0033:0x7f5d4e2fb833 # [ 33.314960] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.335931] RSP: 002b:00007fff979bfee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.344377] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5d4e2fb833 # [ 33.[ 35.839168] lkdtm: Performing direct entry CORRUPT_PAC 352346] RDX: 000000000000000a RSI: 00007f5d4e1ee000 RDI: 0000000[ 35.849512] lkdtm: XFAIL: this test is arm64-only 000000001 # [ 33.360313] RBP: 00007f5d4e1ee000 R08: 00007f5d4e1ed010 R09: 0000000000000000 # [ 33.368279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.376266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh[ 35.934341] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # Skipping CORRUPT_STACK_STRONG: Crashes entire system on succ[ 35.942759] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ess ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 33.682533] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 33.688847] lkdtm: attempting good list addition # [ 33.694032] lkdtm: attempting corrupted list addition # [ 33.705879] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 33.779425] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 33.786269] lkdtm: attempting good list removal # [ 33.791361] lkdtm: attempting corrupted list removal # [ 33.796936] 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 # [ 33.874448] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 33.884323] lkdtm: attempting bad read from page below current stack # [ 33.891472] BUG: stack guard page was hit at 000000005be3441f (stack is 00000000f89071b5..0000000099862751) # [ 33.902370] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 33.915393] CPU: 3 PID: 969 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 33.923945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.930752] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 33.937268] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 2c eb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 90 2c eb 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 33.958268] RSP: 0018:ffffa895c1857e50 EFLAGS: 00010246 # [ 33.964102] [ 36.124426] lkdtm: Performing direct entry READ_AFTER_FREE RAX: 0000000000000038 RBX: ffffa895c1854000 RCX: 000000000000000[ 36.136715] lkdtm: Value in memory before free: 12345678 0 # [ 33.972072] RDX: 0000000000000000 RSI: ffffa252fad9bf70 [ 36.148891] lkdtm: Attempting bad read from freed memory RDI: ffffffff96eb2c90 # [ 33.980042] RBP: ffffffff96eb23ba R0[ 36.161044] lkdtm: Memory was not poisoned 8: 0000000000000000 R09: 0000000000000000 # [ 33.988013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 33.995983] R13: ffffa895c1857f10 R14: ffffa895c1857f10 R15: ffffa25284f99000 # [ 34.003952] FS: 00007f884c785580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 34.012989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.019404] CR2: ffffa895c1853fff CR3: 0000000104122002 CR4: 00000000003706e0 # [ 34.027374] Call Trace: # [ 34.030101] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 34.035160] direct_entry.cold+0x2c/0x38 # [ 34.039539] full_proxy_write+0x53/0x80 # [ 34.043820] vfs_write+0xe7/0x3a0 # [ 34.047518] ksys_write+0x68/0xf0 # [ 34.051218] do_syscall_64+0x30/0x40 # [ 34.055216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.060846] RIP: 0033:0x7f884c69b833 # [ 34.064833] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.[ 36.272242] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 36.284217] lkdtm: Value in memory before free: 12345678 085817] RSP: 002b:00007ffc6408ffc8 EFLAGS: 00000246 ORIG_RAX: 00[ 36.290168] lkdtm: Attempting to read from freed memory 00000000000001 # [ 34.094267] RAX: ffffffffffffffda RBX: 0000[ 36.302226] lkdtm: Buddy page was not poisoned 000000000019 RCX: 00007f884c69b833 # [ 34.102238] RDX: 0000000000000019 RSI: 00007f884c58e000 RDI: 0000000000000001 # [ 34.110214] RBP: 00007f884c58e000 R08: 00007f884c58d010 R09: 0000000000000000 # [ 34.118183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.126151] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.134123] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.160583] ---[ end trace 2c1c583885b31aaa ]--- # [ 34.171947] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.176323] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f[ 36.388781] lkdtm: Performing direct entry SLAB_FREE_DOUBLE f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00[ 36.400494] lkdtm: Attempting double slab free ... <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 34.197305] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 34.203128] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.211098] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 34.219068] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 34.227038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.235007] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 34.242977] FS: 00007f884c785580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 34.252015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.258430] CR2: ffffa895c1853fff CR3: 0000000104122002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADI[ 36.494554] lkdtm: Performing direct entry SLAB_FREE_CROSS NG.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segme[ 36.505286] lkdtm: Attempting cross-cache slab free ... ntation fault # [ 34.348057] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 34.360575] lkdtm: attempting bad read from page above current stack # [ 34.367703] BUG: stack guard page was hit at 0000000082366f5c (stack is 00000000a5eed5a6..0000000092510f4a) # [ 34.378596] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 34.385404] CPU: 1 PID: 1002 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 34.400269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.407079] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 34.413689] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 2c eb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 08 2d eb 96 <8a> 83 00 40 00 00 88 44 24 07 0f [ 36.588888] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 36.597896] lkdtm: Attempting non-Slab slab free ... b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 34.434672] RSP: 0018:ffffa895c190fe50 EFLAGS: 00010246 # [ 34.440497] RAX: 0000000000000038 RBX: ffffa895c190c000 RCX: 0000000000000000 # [ 34.448466] RDX: 0000000000000000 RSI: ffffa252fac9bf70 RDI: ffffffff96eb2d08 # [ 34.456434] RBP: ffffffff96eb23d3 R08: 0000000000000000 R09: 0000000000000000 # [ 34.464405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 34.472373] R13: ffffa895c190ff10 R14: ffffa895c190ff10 R15: ffffa252828de000 # [ 34.480343] FS: 00007f3580f95580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 # [ 34.489370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.495784] CR2: ffffa895c1910000 CR3: 0000000106078001 CR4: 00000000003706e0 # [ 34.503753] Call Trace: # [ 34.506479] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 34.512305] direct_entry.cold+0x2c/0x38 # [ 34.516682] full_proxy_write+0x53/0x80 # [ 34.520954] vfs_write+0xe7/0x3a0 # [ 34.524651] ksys_write+0x68/0xf0 # [ 34.528348] do_syscall_64+0x30/0x40 # [ 34.532336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.537977] RIP: 0033:0x7f3580eab833 # [ 34.541965] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.562949] RSP: 002b:00007ffe5f35b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.571404] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3580eab833 # [ 34.579373] RDX: 000000000000001a RSI: 00007f3580d9e000 RDI: 0000000000000001 # [ 34.587343] RBP: 00007f3580d9e000 R08: 00007f3580d9d010 R09: 0000000000000000 # [ 34.595311] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.603281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.611274] Mo[ 36.789686] lkdtm: Performing direct entry EXEC_DATA dules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_[ 36.795529] lkdtm: attempting ok execution at ffffffff95ce4ce0 core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 36.808252] lkdtm: attempting bad execution at ffffffff986086a0 c_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec[ 36.821088] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.835625] BUG: unable to handle page fault for address: ffffffff986086a0 [ 36.843302] #PF: supervisor instruction fetch in kernel mode [ 36.849621] #PF: error_code(0x0011) - permissions violation [ 36.855842] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 80000000206000e3 [ 36.863336] Oops: 0011 [#5] SMP PTI [ 36.867227] CPU: 0 PID: 1545 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 36.875876] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.882681] RIP: 0010:data_area+0x0/0x40 [ 36.887063] Code: ff ff 00 f6 24 80 52 a2 ff ff 00 f5 24 80 52 a2 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 36.908045] RSP: 0018:ffffa895c21b7e48 EFLAGS: 00010246 [ 36.913878] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.921847] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 36.929816] RBP: ffffffff986086a0 R08: 0000000000000000 R09: 0000000000000000 [ 36.937786] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 36.945755] R13: ffffa895c21b7f10 R14: ffffa895c21b7f10 R15: ffffa2528583a000 [ 36.953726] FS: 00007fb482f87580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 36.962763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.969178] CR2: ffffffff986086a0 CR3: 0000000106020002 CR4: 00000000003706f0 [ 36.977148] Call Trace: [ 36.979877] ? execute_location+0x45/0x56 [ 36.984357] ? direct_entry.cold+0x2c/0x38 [ 36.988931] ? full_proxy_write+0x53/0x80 [ 36.993413] ? vfs_write+0xe7/0x3a0 [ 36.997304] ? ksys_write+0x68/0xf0 [ 37.001189] ? do_syscall_64+0x30/0x40 [ 37.005371] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.011208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.037652] CR2: ffffffff986086a0 [ 37.041349] ---[ end trace 2c1c583885b31aad ]--- [ 37.046504] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.050872] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 37.071848] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 37.077681] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.085650] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 37.093620] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 37.101589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.109558] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 37.117528] FS: 00007fb482f87580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 37.126558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.132975] CR2: ffffffff986086a0 CR3: 0000000106020002 CR4: 00000000003706f0 [ 37.140938] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.150849] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1545, name: cat [ 37.159306] INFO: lockdep is turned off. [ 37.163682] irq event stamp: 0 [ 37.167088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.174088] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 37.183222] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 37.192357] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.199356] CPU: 0 PID: 1545 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 37.208006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.214809] Call Trace: [ 37.217536] dump_stack+0x77/0x9b [ 37.221241] ___might_sleep.cold+0xa6/0xb6 [ 37.225818] exit_signals+0x1c/0x2e0 [ 37.229806] do_exit+0xc2/0xaf0 [ 37.233310] ? ksys_write+0x68/0xf0 [ 37.237203] make_task_dead+0x2f/0x30 [ 37.241290] rewind_stack_and_make_dead+0x17/0x20 [ 37.246541] RIP: 0033:0x7fb482e9d833 [ 37.250531] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.271514] RSP: 002b:00007fffe7dc4a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.279971] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb482e9d833 [ 37.287939] RDX: 000000000000000a RSI: 00007fb482d90000 RDI: 0000000000000001 [ 37.295907] RBP: 00007fb482d90000 R08: 00007fb482d8f010 R09: 0000000000000000 [ 37.303877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.311846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.637736] ---[ end trace 2c1c583885b31aab ]--- # [ 34.649103] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.653471] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 34.674454] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 34.680288] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.688270] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 34.696240] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 34.704216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.712185] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 34.720155] FS: 00007f3580f95580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 # [ 34.729217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.735631] CR2: ffffa895c1910000 CR3: 0000000106078001[ 37.420167] lkdtm: Performing direct entry EXEC_STACK CR4: 00000000003706e0 # [ 34.743602] BUG: sleeping function [ 37.431141] lkdtm: attempting ok execution at ffffffff95ce4ce0 called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.443914] lkdtm: attempting bad execution at ffffa895c2237e18 # [ 34.753513] in_atomic(): 0, irqs_disabled(): 1, non_block: [ 37.456766] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.471300] BUG: unable to handle page fault for address: ffffa895c2237e18 [ 37.478979] #PF: supervisor instruction fetch in kernel mode [ 37.485297] #PF: error_code(0x0011) - permissions violation [ 37.491519] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104e22067 PTE 80000001058c7063 [ 37.500566] Oops: 0011 [#6] SMP PTI [ 37.504449] CPU: 0 PID: 1581 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 37.513098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.519904] RIP: 0010:0xffffa895c2237e18 [ 37.524280] Code: 00 00 18 7e 23 c2 95 a8 ff ff 9c a9 33 96 ff ff ff ff 20 00 00 00 00 00 00 00 16 25 eb 96 ff ff ff ff cb aa 33 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 37.545265] RSP: 0018:ffffa895c2237df8 EFLAGS: 00010246 [ 37.551099] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.559068] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 37.567036] RBP: ffffa895c2237e18 R08: 0000000000000000 R09: 0000000000000000 [ 37.575006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 37.582975] R13: ffffa895c2237f10 R14: ffffa895c2237f10 R15: ffffa2528607c000 [ 37.590943] FS: 00007f3cff109580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 37.599982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.606398] CR2: ffffa895c2237e18 CR3: 0000000105bfa002 CR4: 00000000003706f0 [ 37.614367] Call Trace: [ 37.617095] ? execute_location+0x45/0x56 [ 37.621575] ? lkdtm_EXEC_STACK+0x26/0x44 [ 37.626049] ? direct_entry.cold+0x2c/0x38 [ 37.630614] ? full_proxy_write+0x53/0x80 [ 37.635095] ? vfs_write+0xe7/0x3a0 [ 37.638979] ? ksys_write+0x68/0xf0 [ 37.642872] ? do_syscall_64+0x30/0x40 [ 37.647055] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.652892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.679334] CR2: ffffa895c2237e18 [ 37.683032] ---[ end trace 2c1c583885b31aae ]--- [ 37.688179] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.692557] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 37.713542] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 37.719368] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.727338] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 37.735309] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 37.743279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.751249] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 37.759239] FS: 00007f3cff109580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 37.768297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.774713] CR2: ffffa895c2237e18 CR3: 0000000105bfa002 CR4: 00000000003706f0 0, pid: 1002, name: cat # [ 34.761968] INFO: lockdep is turned off. # [ 34.766345] irq event stamp: 0 # [ 34.769749] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.776748] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.785882] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.795017] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.802015] CPU: 1 PID: 1002 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 34.810664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.817468] Call Trace: # [ 34.820214] dump_stack+0x77/0x9b # [ 34.823914] ___might_sleep.cold+0xa6/0xb6 # [ 34.828486] exit_signals+0x1c/0x2e0 # [ 34.832475] do_exit+0xc2/0xaf0 # [ 34.835979] ? ksys_write+0x68/0xf0 # [ 34.839864] make_task_dead+0x2f/0x30 # [ 34.843950] rewind_stack_and_make_dead+0x17/0x20 # [ 34.849216] RIP: 0033:0x7f3580eab833 # [ 34.853216] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.874215] RSP: 002b:00007ffe5f35b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.882671] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3580eab833 # [ 34.890640] RDX: 000000000000001a RSI: 00007f3580d9e000 RDI: 0000000000000001 # [ 34.898611] RBP: 00007f3580d9e000 R08: 00007f3580d9d010 R09: 0000000000000000 # [ 34.906580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.914550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests:[ 37.953656] lkdtm: Performing direct entry EXEC_KMALLOC lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_[ 37.962569] lkdtm: attempting ok execution at ffffffff95ce4ce0 SMEP.sh # [ 35.047730] lkdtm: Performing direct entry UNSET_S[ 37.975301] lkdtm: attempting bad execution at ffffa25284d13100 MEP # [ 35.058801] lkdtm: trying to clear SMEP normally # [ [ 37.988126] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.002699] BUG: unable to handle page fault for address: ffffa25284d13100 [ 38.010379] #PF: supervisor instruction fetch in kernel mode [ 38.016697] #PF: error_code(0x0011) - permissions violation [ 38.022921] PGD 20801067 P4D 20801067 PUD 100855063 PMD 104d5f063 PTE 8000000104d13063 35.070149] ------------[ cut here ]------------ # [ 35.0815[ 38.031769] Oops: 0011 [#7] SMP PTI [ 38.041874] CPU: 2 PID: 1617 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 38.050525] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.057330] RIP: 0010:0xffffa25284d13100 [ 38.061700] Code: 00 00 02 00 00 00 00 00 00 00 00 3b d1 84 52 a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 50 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 38.082684] RSP: 0018:ffffa895c22afe38 EFLAGS: 00010246 [ 38.088510] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.096481] RDX: 0000000000000000 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 [ 38.104451] RBP: ffffa25284d13100 R08: 0000000000000000 R09: 0000000000000000 [ 38.112414] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.120375] R13: ffffa895c22aff10 R14: ffffa895c22aff10 R15: ffffa25284f1f000 [ 38.128336] FS: 00007f948807d580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 38.137376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.143793] CR2: ffffa25284d13100 CR3: 0000000105bfa001 CR4: 00000000003706e0 [ 38.151762] Call Trace: [ 38.154490] ? execute_location+0x45/0x56 19] pinned CR4 bits changed: 0x100000!? # [ 35.092823] WARNIN[ 38.158967] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 38.169847] ? direct_entry.cold+0x2c/0x38 [ 38.174419] ? full_proxy_write+0x53/0x80 [ 38.178897] ? vfs_write+0xe7/0x3a0 [ 38.182790] ? ksys_write+0x68/0xf0 [ 38.186682] ? do_syscall_64+0x30/0x40 [ 38.190867] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 G: CPU: 0 PID: 1038 at arch/x86/kernel/cpu/common.c:392 native_w[ 38.196696] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.229336] CR2: ffffa25284d13100 [ 38.233034] ---[ end trace 2c1c583885b31aaf ]--- [ 38.238206] RIP: 0010:lkdtm_BUG+0x5/0x10 rite_cr4+0x45/0x60 # [ 35.109236] Modules linked in: fuse ip_[ 38.242591] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 38.269790] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 38.275615] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.283584] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 38.291553] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 38.299524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.307495] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 38.315465] FS: 00007f948807d580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 38.324502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.330919] CR2: ffffa25284d13100 CR3: 0000000105bfa001 CR4: 00000000003706e0 [ 38.338882] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.348796] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1617, name: cat [ 38.357243] INFO: lockdep is turned off. [ 38.361619] irq event stamp: 0 [ 38.365024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.372024] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 38.381160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 38.390295] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.397294] CPU: 2 PID: 1617 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 38.405942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.412745] Call Trace: [ 38.415472] dump_stack+0x77/0x9b tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 38.419172] ___might_sleep.cold+0xa6/0xb6 [ 38.429954] exit_signals+0x1c/0x2e0 [ 38.433943] do_exit+0xc2/0xaf0 [ 38.437447] ? ksys_write+0x68/0xf0 [ 38.441329] make_task_dead+0x2f/0x30 [ 38.445409] rewind_stack_and_make_dead+0x17/0x20 [ 38.450659] RIP: 0033:0x7f9487f93833 [ 38.454647] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.475633] RSP: 002b:00007ffd57866248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.484090] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9487f93833 [ 38.492059] RDX: 000000000000000d RSI: 00007f9487e86000 RDI: 0000000000000001 [ 38.500029] RBP: 00007f9487e86000 R08: 00007f9487e85010 R09: 0000000000000000 [ 38.507999] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.515961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.141899] CPU: 0 PID: 1038 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 35.156762] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.169793] RIP: 0010:native_write_cr4+0x45/0x60 # [ 35.181192] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 10 11 df 96 c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 35.208398] RSP: 0018:ffffa895c198fe48 EFLAGS: 00010286 # [ 35.220437] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 35.234640] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 35.248857] RBP: ffffffff96eb23ed R08: 0000000000000000 R09: 0000000000000000 # [ 35.263092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 35.277302] R13: ffffa895c198ff10 R14: ffffa895c198ff10 R15: ffffa25283eb2000 # [ [ 38.628335] lkdtm: Performing direct entry EXEC_VMALLOC 35.291499] FS: 00007f114b302580(0000) GS:ffffa252fac00000(000[ 38.635462] lkdtm: attempting ok execution at ffffffff95ce4ce0 0) knlGS:0000000000000000 # [ 35.306749] CS: 0010 DS: 0000 E[ 38.648208] lkdtm: attempting bad execution at ffffa895c0351000 S: 0000 CR0: 0000000080050033 # [ 35.319383] CR2: 00007f114b1[ 38.661033] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.675572] BUG: unable to handle page fault for address: ffffa895c0351000 [ 38.683262] #PF: supervisor instruction fetch in kernel mode [ 38.689580] #PF: error_code(0x0011) - permissions violation [ 38.695802] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1008b4067 PTE 8000000104f98063 [ 38.704849] Oops: 0011 [#8] SMP PTI [ 38.708739] CPU: 0 PID: 1653 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 38.717386] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.724215] RIP: 0010:0xffffa895c0351000 [ 38.728590] Code: Unable to access opcode bytes at RIP 0xffffa895c0350fd6. [ 38.736269] RSP: 0018:ffffa895c2367e38 EFLAGS: 00010246 [ 38.742095] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.750064] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 38.758033] RBP: ffffa895c0351000 R08: 0000000000000000 R09: 0000000000000000 [ 38.766003] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.773972] R13: ffffa895c2367f10 R14: ffffa895c2367f10 R15: ffffa25284f98000 [ 38.781942] FS: 00007fd1e81c9580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 38.790982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.797398] CR2: ffffa895c0350fd6 CR3: 0000000105860003 CR4: 00000000003706f0 [ 38.805369] Call Trace: [ 38.808097] ? execute_location+0x45/0x56 [ 38.812578] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 38.817264] ? direct_entry.cold+0x2c/0x38 [ 38.821837] ? full_proxy_write+0x53/0x80 [ 38.826312] ? vfs_write+0xe7/0x3a0 [ 38.830216] ? ksys_write+0x68/0xf0 [ 38.834108] ? do_syscall_64+0x30/0x40 [ 38.838283] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.844120] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.870565] CR2: ffffa895c0351000 [ 38.874267] ---[ end trace 2c1c583885b31ab0 ]--- [ 38.879421] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.883790] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 38.904775] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 38.910609] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.918577] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 38.926547] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 38.934518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.942486] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 38.950455] FS: 00007fd1e81c9580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 38.959493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.965910] CR2: ffffa895c0350fd6 CR3: 0000000105860003 CR4: 00000000003706f0 0b000 CR3: 00000001058e4006 CR4: 00000000003706f0 # [ 35.333583] Call Trace: # [ 35.342549] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 35.353676] direct_entry.cold+0x2c/0x38 # [ 35.364233] full_proxy_write+0x53/0x80 # [ 35.374759] vfs_write+0xe7/0x3a0 # [ 35.384658] ksys_write+0x68/0xf0 # [ 35.394571] do_syscall_64+0x30/0x40 # [ 35.404772] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.416632] RIP: 0033:0x7f114b218833 # [ 35.426819] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.454033] RSP: 002b:00007ffde3f95078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.468693] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f114b218833 # [ 35.482890] RDX: 000000000000000b RSI: 00007f114b10b000 RDI: 0000000000000001 # [ 35.497063] RBP: 00007f114b10b000 R08: 00007f114b10a010 R09: 0000000000000000 # [ 35.511268] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.525441] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.539651] irq event stamp: 0 # [ 35.549258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.562486] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.577822] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.593175] softirqs last disabled at (0): [<0000[ 39.118453] lkdtm: Performing direct entry EXEC_RODATA [ 39.128798] lkdtm: attempting ok execution at ffffffff95ce4ce0 [ 39.135366] lkdtm: attempting bad execution at ffffffff96ad15a0 000000000000>] 0x0 # [ 35.606389] ---[ end trace 2c1c583885b3[ 39.142026] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.156557] BUG: unable to handle page fault for address: ffffffff96ad15a0 [ 39.164254] #PF: supervisor instruction fetch in kernel mode [ 39.170562] #PF: error_code(0x0011) - permissions violation [ 39.176781] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 800000001ea000e1 [ 39.184277] Oops: 0011 [#9] SMP PTI [ 39.188168] CPU: 3 PID: 1689 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 39.196808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.203617] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 39.209354] Code: ff ff 3b bf 33 96 ff ff ff ff 62 27 eb 96 ff ff ff ff 81 a6 33 96 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 [ 39.230328] RSP: 0018:ffffa895c23d7e48 EFLAGS: 00010246 [ 39.236161] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.244131] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 39.252100] RBP: ffffffff96ad15a0 R08: 0000000000000000 R09: 0000000000000000 [ 39.260068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 39.268035] R13: ffffa895c23d7f10 R14: ffffa895c23d7f10 R15: ffffa25286060000 [ 39.276004] FS: 00007f87d4d30580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 39.285042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.291458] CR2: ffffffff96ad15a0 CR3: 0000000104cbe005 CR4: 00000000003706e0 [ 39.299426] Call Trace: [ 39.302153] ? execute_location+0x45/0x56 [ 39.306626] ? direct_entry.cold+0x2c/0x38 [ 39.311220] ? full_proxy_write+0x53/0x80 [ 39.315694] ? vfs_write+0xe7/0x3a0 [ 39.319584] ? ksys_write+0x68/0xf0 [ 39.323476] ? do_syscall_64+0x30/0x40 [ 39.327651] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.333487] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1aac ]--- # [ 35.617762] lkdtm: ok: SMEP did not get cleared [ 39.359942] CR2: ffffffff96ad15a0 [ 39.369851] ---[ end trace 2c1c583885b31ab1 ]--- [ 39.375005] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.379380] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 39.400361] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 39.406216] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.414184] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 39.422152] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 39.430120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.438090] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 39.446058] FS: 00007f87d4d30580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 39.455093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.461506] CR2: ffffffff96ad15a0 CR3: 0000000104cbe005 CR4: 00000000003706e0 # [ 35.629025] lkdtm: trying to clear SMEP with call gadget # [ 35.641197] 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 # [ 35.733583] lkdtm: Performing direct entry DOUBLE_FAULT # [ 35.745396] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 35.839168] lkdtm: Performing direct entry CORRUPT_PAC # [ 35.849512] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 35.934341] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 35.942759] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 36.124426] lkdtm: Performing direct entry READ_AFTER_FREE # [ 36.136715] lkdtm: Value in memory before free: 12345678 # [ 36.148891] lkdtm: Attempting bad read from freed memory # [ 36.161044] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FR[ 39.645082] lkdtm: Performing direct entry EXEC_USERSPACE EE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ [ 39.655838] lkdtm: attempting ok execution at ffffffff95ce4ce0 36.272242] lkdtm: Performing direct entry READ_BUDDY_AFTER_FRE[ 39.668573] lkdtm: attempting bad execution at 00007efc0c87f000 E # [ 36.284217] lkdtm: Value in memory before free: 12345678[ 39.681384] unable to execute userspace code (SMEP?) (uid: 0) [ 39.693990] BUG: unable to handle page fault for address: 00007efc0c87f000 [ 39.701668] #PF: supervisor instruction fetch in kernel mode [ 39.707987] #PF: error_code(0x0011) - permissions violation [ 39.714210] PGD 800000010277e067 P4D 800000010277e067 PUD 10589c067 PMD 106001067 PTE 10a951067 [ 39.723938] Oops: 0011 [#10] SMP PTI [ 39.727928] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 39.736570] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.743368] RIP: 0010:0x7efc0c87f000 [ 39.747356] Code: Unable to access opcode bytes at RIP 0x7efc0c87efd6. [ 39.754646] RSP: 0018:ffffa895c2487e50 EFLAGS: 00010246 [ 39.760473] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 39.768444] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 39.776405] RBP: 00007efc0c87f000 R08: 0000000000000000 R09: 0000000000000000 [ 39.784375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 39.792344] R13: ffffa895c2487f10 R14: ffffa895c2487f10 R15: ffffa25284b03000 [ 39.800314] FS: 00007efc0c850580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 39.809354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.815761] CR2: 00007efc0c87f000 CR3: 00000001033a4002 CR4: 00000000003706f0 [ 39.823732] Call Trace: [ 39.826460] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 39.831814] ? direct_entry.cold+0x2c/0x38 [ 39.836386] ? full_proxy_write+0x53/0x80 [ 39.840868] ? vfs_write+0xe7/0x3a0 [ 39.844765] ? ksys_write+0x68/0xf0 [ 39.848657] ? do_syscall_64+0x30/0x40 [ 39.852847] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.858685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.885128] CR2: 00007efc0c87f000 [ 39.888824] ---[ end trace 2c1c583885b31ab2 ]--- [ 39.893980] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.898362] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 39.919345] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 39.925178] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.933149] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 39.941111] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 39.949082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.957050] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 39.965021] FS: 00007efc0c850580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 39.974052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.980459] CR2: 00007efc0c87f000 CR3: 00000001033a4002 CR4: 00000000003706f0 [ 39.988428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.998342] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1726, name: cat [ 40.006788] INFO: lockdep is turned off. [ 40.011165] irq event stamp: 0 [ 40.014571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.021572] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.030707] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.039842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.046840] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 40.055491] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.062295] Call Trace: [ 40.065024] dump_stack+0x77/0x9b [ 40.068727] ___might_sleep.cold+0xa6/0xb6 [ 40.073304] exit_signals+0x1c/0x2e0 [ 40.077286] do_exit+0xc2/0xaf0 [ 40.080791] ? ksys_write+0x68/0xf0 [ 40.084683] make_task_dead+0x2f/0x30 [ 40.088760] rewind_stack_and_make_dead+0x17/0x20 [ 40.094002] RIP: 0033:0x7efc0c766833 [ 40.097991] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.118975] RSP: 002b:00007ffe79feee88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.127430] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007efc0c766833 [ 40.135400] RDX: 000000000000000f RSI: 00007efc0c659000 RDI: 0000000000000001 [ 40.143369] RBP: 00007efc0c659000 R08: 00007efc0c658010 R09: 0000000000000000 [ 40.151339] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.159309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.290168] lkdtm: Attempting to read from freed memory # [ 36.302226] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 36.388781] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 36.400494] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 36.494554] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 36.505286] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 36.588888] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 36.597896] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skippin[ 40.282868] lkdtm: Performing direct entry EXEC_NULL [ 40.290915] lkdtm: attempting ok execution at ffffffff95ce4ce0 [ 40.297466] lkdtm: attempting bad execution at 0000000000000000 [ 40.304119] BUG: kernel NULL pointer dereference, address: 0000000000000000 g HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCK[ 40.311921] #PF: supervisor instruction fetch in kernel mode [ 40.324454] #PF: error_code(0x0010) - not-present page [ 40.330205] PGD 0 P4D 0 UP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPIN[ 40.333038] Oops: 0010 [#11] SMP PTI [ 40.343239] CPU: 3 PID: 1762 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 40.351887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.358691] RIP: 0010:0x0 [ 40.361612] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 40.369290] RSP: 0018:ffffa895c24efe48 EFLAGS: 00010246 [ 40.375124] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.383093] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 40.391061] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.399030] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 40.406999] R13: ffffa895c24eff10 R14: ffffa895c24eff10 R15: ffffa252848a1000 [ 40.414968] FS: 00007f220e6c7580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 40.424006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.430423] CR2: ffffffffffffffd6 CR3: 0000000103164003 CR4: 00000000003706e0 [ 40.438392] Call Trace: [ 40.441120] execute_location+0x45/0x56 [ 40.445402] direct_entry.cold+0x2c/0x38 [ 40.449783] full_proxy_write+0x53/0x80 [ 40.454063] vfs_write+0xe7/0x3a0 [ 40.457761] ksys_write+0x68/0xf0 [ 40.461451] do_syscall_64+0x30/0x40 [ 40.465431] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.471068] RIP: 0033:0x7f220e5dd833 [ 40.475057] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 LOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh [ 40.496042] RSP: 002b:00007fffccd9bd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.510712] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f220e5dd833 [ 40.518681] RDX: 000000000000000a RSI: 00007f220e4d0000 RDI: 0000000000000001 [ 40.526652] RBP: 00007f220e4d0000 R08: 00007f220e4cf010 R09: 0000000000000000 [ 40.534624] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.542586] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.550559] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: [ 40.577012] CR2: 0000000000000000 [ 40.586923] ---[ end trace 2c1c583885b31ab3 ]--- [ 40.592071] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.596447] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 40.617430] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 40.623270] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.631239] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 40.639214] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 40.647184] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.655154] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 40.663122] FS: 00007f220e6c7580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 40.672162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.678577] CR2: ffffffffffffffd6 CR3: 0000000103164003 CR4: 00000000003706e0 Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 36.789686] lkdtm: Performing direct entry EXEC_DATA # [ 36.795529] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 36.808252] lkdtm: attempting bad execution at ffffffff986086a0 # [ 36.821088] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.835625] BUG: unable to handle page fault for address: ffffffff986086a0 # [ 36.843302] #PF: supervisor instruction fetch in kernel mode # [ 36.849621] #PF: error_code(0x0011) - permissions violation # [ 36.855842] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 80000000206000e3 # [ 36.863336] Oops: 0011 [#5] SMP PTI # [ 36.867227] CPU: 0 PID: 1545 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 36.875876] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.882681] RIP: 0010:data_area+0x0/0x40 # [ 36.887063] Code: ff ff 00 f6 24 80 52 a2 ff ff 00 f5 24 80 52 a2 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 [ 40.793102] lkdtm: Performing direct entry ACCESS_USERSPACE 55 # [ 36.908045] RSP: 0018:ffffa895c21b7e48 EFLAGS: 00010246[ 40.804717] lkdtm: attempting bad read at 00007f53427ce000 # [ 36.913878] RAX: 0000000000000033 RBX: 0000000000000001 R[ 40.817056] BUG: unable to handle page fault for address: 00007f53427ce000 [ 40.830911] #PF: supervisor read access in kernel mode [ 40.836647] #PF: error_code(0x0001) - permissions violation [ 40.842870] PGD 800000010295d067 P4D 800000010295d067 PUD 103ff9067 PMD 104c92067 PTE 1071ab067 [ 40.852591] Oops: 0001 [#12] SMP PTI [ 40.856581] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 40.865230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.872037] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 40.878266] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 34 eb 96 e8 3e 96 fd ff 48 c7 c7 a8 34 eb 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 d0 34 eb [ 40.899251] RSP: 0018:ffffa895c254fe48 EFLAGS: 00010246 [ 40.905084] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 40.913054] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffffff96eb34a8 [ 40.921024] RBP: 00007f53427ce000 R08: 0000000000000000 R09: 0000000000000000 [ 40.928993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 40.936963] R13: ffffa895c254ff10 R14: ffffa895c254ff10 R15: ffffa2528589c000 [ 40.944934] FS: 00007f534279f580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 40.953973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.960387] CR2: 00007f53427ce000 CR3: 000000010295e001 CR4: 00000000003706f0 [ 40.968358] Call Trace: [ 40.971089] direct_entry.cold+0x2c/0x38 [ 40.975473] full_proxy_write+0x53/0x80 [ 40.979761] vfs_write+0xe7/0x3a0 [ 40.983465] ksys_write+0x68/0xf0 [ 40.987163] do_syscall_64+0x30/0x40 [ 40.991153] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.996785] RIP: 0033:0x7f53426b5833 [ 41.000774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.021758] RSP: 002b:00007ffe7b4c1738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.030214] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f53426b5833 [ 41.038184] RDX: 0000000000000011 RSI: 00007f53425a8000 RDI: 0000000000000001 [ 41.046154] RBP: 00007f53425a8000 R08: 00007f53425a7010 R09: 0000000000000000 [ 41.054125] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.062095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.070070] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.096514] CR2: 00007f53427ce000 [ 41.100204] ---[ end trace 2c1c583885b31ab4 ]--- [ 41.105359] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.109727] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 41.130711] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 41.136544] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.144513] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 41.152482] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 41.160452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.168421] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 41.176390] FS: 00007f534279f580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 41.185427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.191842] CR2: 00007f53427ce000 CR3: 000000010295e001 CR4: 00000000003706f0 [ 41.199813] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.209724] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat [ 41.218178] INFO: lockdep is turned off. [ 41.222555] irq event stamp: 0 [ 41.225961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.232959] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 41.242094] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 41.251229] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.258229] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 41.266879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.273684] Call Trace: [ 41.276410] dump_stack+0x77/0x9b [ 41.280099] ___might_sleep.cold+0xa6/0xb6 [ 41.284672] exit_signals+0x1c/0x2e0 [ 41.288660] do_exit+0xc2/0xaf0 [ 41.292164] ? ksys_write+0x68/0xf0 [ 41.296047] make_task_dead+0x2f/0x30 [ 41.300125] rewind_stack_and_make_dead+0x17/0x20 [ 41.305376] RIP: 0033:0x7f53426b5833 [ 41.309364] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.330347] RSP: 002b:00007ffe7b4c1738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.338803] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f53426b5833 [ 41.346772] RDX: 0000000000000011 RSI: 00007f53425a8000 RDI: 0000000000000001 [ 41.354742] RBP: 00007f53425a8000 R08: 00007f53425a7010 R09: 0000000000000000 [ 41.362712] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.370682] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CX: 0000000000000000 # [ 36.921847] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 36.929816] RBP: ffffffff986086a0 R08: 0000000000000000 R09: 0000000000000000 # [ 36.937786] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.945755] R13: ffffa895c21b7f10 R14: ffffa895c21b7f10 R15: ffffa2528583a000 # [ 36.953726] FS: 00007fb482f87580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 36.962763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.969178] CR2: ffffffff986086a0 CR3: 0000000106020002 CR4: 00000000003706f0 # [ 36.977148] Call Trace: # [ 36.979877] ? execute_location+0x45/0x56 # [ 36.984357] ? direct_entry.cold+0x2c/0x38 # [ 36.988931] ? full_proxy_write+0x53/0x80 # [ 36.993413] ? vfs_write+0xe7/0x3a0 # [ 36.997304] ? ksys_write+0x68/0xf0 # [ 37.001189] ? do_syscall_64+0x30/0x40 # [ 37.005371] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.011208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.037652] CR2: ffffffff986086a0 # [ 37.041349] ---[ end trace 2c1c583885b31aad ]--- # [ 37.046504] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.050872] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 37.071848] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 37.077681] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.085650] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 37.093620] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 37.101589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 41.571227] lkdtm: Performing direct entry ACCESS_NULL 0000000000000004 # [ 37.109558] R13: ffffa895c1397f10 R14: f[ 41.577117] lkdtm: attempting bad read at 0000000000000000 fffa895c1397f10 R15: ffffa25284126000 # [ 37.117528] FS: 000[ 41.589478] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 41.603433] #PF: supervisor read access in kernel mode [ 41.609169] #PF: error_code(0x0000) - not-present page [ 41.614905] PGD 0 P4D 0 [ 41.617722] Oops: 0000 [#13] SMP PTI [ 41.621702] CPU: 0 PID: 1832 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 41.630342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.637149] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 41.642405] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 2a d2 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 34 eb 96 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 34 eb 96 48 01 [ 41.663389] RSP: 0018:ffffa895c260fe58 EFLAGS: 00010246 [ 41.669222] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 41.677193] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 41.685155] RBP: ffffffff96eb2571 R08: 0000000000000000 R09: 0000000000000000 [ 41.693125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 41.701087] R13: ffffa895c260ff10 R14: ffffa895c260ff10 R15: ffffa25282647000 [ 41.709048] FS: 00007fc04c2a1580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 41.718086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.724500] CR2: 0000000000000000 CR3: 000000010494a001 CR4: 00000000003706f0 [ 41.732471] Call Trace: [ 41.735202] direct_entry.cold+0x2c/0x38 [ 41.739588] full_proxy_write+0x53/0x80 [ 41.743876] vfs_write+0xe7/0x3a0 [ 41.747579] ksys_write+0x68/0xf0 [ 41.751279] do_syscall_64+0x30/0x40 [ 41.755276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.760917] RIP: 0033:0x7fc04c1b7833 [ 41.764905] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.785890] RSP: 002b:00007ffcdbb86748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.794337] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc04c1b7833 [ 41.802308] RDX: 000000000000000c RSI: 00007fc04c0aa000 RDI: 0000000000000001 [ 41.810277] RBP: 00007fc04c0aa000 R08: 00007fc04c0a9010 R09: 0000000000000000 [ 41.818248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.826218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.834192] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.860637] CR2: 0000000000000000 [ 41.864334] ---[ end trace 2c1c583885b31ab5 ]--- [ 41.869491] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.873868] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 41.894854] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 41.900687] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.908656] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 41.916626] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 41.924596] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.932566] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 41.940537] FS: 00007fc04c2a1580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 [ 41.949566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.955981] CR2: 0000000000000000 CR3: 000000010494a001 CR4: 00000000003706f0 07fb482f87580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 37.126558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.132975] CR2: ffffffff986086a0 CR3: 0000000106020002 CR4: 00000000003706f0 # [ 37.140938] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.150849] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1545, name: cat # [ 37.159306] INFO: lockdep is turned off. # [ 37.163682] irq event stamp: 0 # [ 37.167088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.174088] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.183222] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.192357] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.199356] CPU: 0 PID: 1545 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 37.208006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.214809] Call Trace: # [ 37.217536] dump_stack+0x77/0x9b # [ 37.221241] ___might_sleep.cold+0xa6/0xb6 # [ 37.225818] exit_signals+0x1c/0x2e0 # [ 37.229806] do_exit+0xc2/0xaf0 # [ 37.233310] ? ksys_write+0x68/0xf0 # [ 37.237203] make_task_dead+0x2f/0x30 # [ 37.241290] rewind_stack_and_make_dead+0x17/0x20 [ 42.092505] lkdtm: Performing direct entry WRITE_RO [ 42.099929] lkdtm: attempting bad rodata write at ffffffff96ad1590 [ 42.106866] BUG: unable to handle page fault for address: ffffffff96ad1590 # [ 37.246541] RIP: 0033:0x7fb482e9d833 # [ 37.250531] Code[ 42.114553] #PF: supervisor write access in kernel mode [ 42.126601] #PF: error_code(0x0003) - permissions violation [ 42.132824] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 800000001ea000e1 [ 42.140312] Oops: 0003 [#14] SMP PTI [ 42.144300] CPU: 3 PID: 1867 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 42.152949] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.159756] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 42.164716] Code: 00 48 c7 c7 60 33 eb 96 48 c7 c6 90 15 ad 96 e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 90 33 eb 96 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 [ 42.185699] RSP: 0018:ffffa895c267fe60 EFLAGS: 00010202 [ 42.191534] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 42.199502] RDX: 00000000abcd1234 RSI: ffffa252fad9bf70 RDI: ffffffff96eb3390 [ 42.207471] RBP: ffffffff96eb257d R08: 0000000000000000 R09: 0000000000000000 [ 42.215440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 42.223410] R13: ffffa895c267ff10 R14: ffffa895c267ff10 R15: ffffa25282861000 [ 42.231380] FS: 00007fc03e24e580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 42.240416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.246832] CR2: ffffffff96ad1590 CR3: 00000001029be001 CR4: 00000000003706e0 [ 42.254802] Call Trace: [ 42.257530] direct_entry.cold+0x2c/0x38 [ 42.261908] full_proxy_write+0x53/0x80 [ 42.266207] vfs_write+0xe7/0x3a0 : 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 42.269913] ksys_write+0x68/0xf0 [ 42.279825] do_syscall_64+0x30/0x40 [ 42.283814] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.289452] RIP: 0033:0x7fc03e164833 [ 42.293442] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.314416] RSP: 002b:00007fffa3b65f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.322873] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc03e164833 [ 42.330843] RDX: 0000000000000009 RSI: 00007fc03e057000 RDI: 0000000000000001 [ 42.338811] RBP: 00007fc03e057000 R08: 00007fc03e056010 R09: 0000000000000000 [ 42.346780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.354748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.362720] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 42.389174] CR2: ffffffff96ad1590 [ 42.399085] ---[ end trace 2c1c583885b31ab6 ]--- [ 42.404232] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.408607] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 42.429591] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 42.435421] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.443392] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 42.451359] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 42.459329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.467298] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 42.475267] FS: 00007fc03e24e580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 42.484297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.490711] CR2: ffffffff96ad1590 CR3: 00000001029be001 CR4: 00000000003706e0 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.271514] RSP: 002b:00007fffe7dc4a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.279971] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb482e9d833 # [ 37.287939] RDX: 000000000000000a RSI: 00007fb482d90000 RDI: 0000000000000001 # [ 37.295907] RBP: 00007fb482d90000 R08: 00007fb482d8f010 R09: 0000000000000000 # [ 37.303877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.311846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 37.420167] lkdtm: Performing direct entry EXEC_STACK # [ 37.431141] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 37.443914] lkdtm: attempting bad execution at ffffa895c2237e18 # [ 37.456766] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.471300] BUG: unable to handle page fault for address: ffffa895c2237e18 # [ 37.478979] #PF: supervisor instruction fetch in kernel mode # [ 37.485297] #PF: error_code(0x0011) - permissions violation # [ 37.491519] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104e22067 PTE 80000[ 42.621334] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 42.629527] lkdtm: attempting bad ro_after_init write at ffffffff96f2e330 [ 42.637147] BUG: unable to handle page fault for address: ffffffff96f2e330 001058c7063 # [ 37.500566] Oops: 0011 [#6] SMP PTI # [ 37.[ 42.644850] #PF: supervisor write access in kernel mode [ 42.656899] #PF: error_code(0x0003) - permissions violation 504449] CPU: 0 PID: 1581 Comm: cat Tainted: G D W 5[ 42.663121] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 104938063 PTE 800000001ef2e061 [ 42.678084] Oops: 0003 [#15] SMP PTI [ 42.682075] CPU: 3 PID: 1902 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 42.690725] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .1[0.167-cip26 #1 # [ 37.513098] Hardware name: Google Rammus/ 42.697537] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 42.709781] Code: 33 eb 96 e9 18 98 fd ff 48 c7 c7 e8 33 eb 96 e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 90 33 eb 96 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 42.730765] RSP: 0018:ffffa895c2717e60 EFLAGS: 00010202 [ 42.736591] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 42.744558] RDX: 00000000abcd1234 RSI: ffffa252fad9bf70 RDI: ffffffff96eb3390 [ 42.752528] RBP: ffffffff96eb2586 R08: 0000000000000000 R09: 0000000000000000 [ 42.760498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 42.768466] R13: ffffa895c2717f10 R14: ffffa895c2717f10 R15: ffffa25284d66000 [ 42.776436] FS: 00007fca47f71580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 42.785474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.791890] CR2: ffffffff96f2e330 CR3: 000000010582c006 CR4: 00000000003706e0 [ 42.799860] Call Trace: [ 42.802587] direct_entry.cold+0x2c/0x38 [ 42.806956] full_proxy_write+0x53/0x80 [ 42.811237] vfs_write+0xe7/0x3a0 [ 42.814935] ksys_write+0x68/0xf0 [ 42.818633] do_syscall_64+0x30/0x40 [ 42.822623] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.828273] RIP: 0033:0x7fca47e87833 [ 42.832268] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.853264] RSP: 002b:00007ffd2bbe1318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.861720] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fca47e87833 [ 42.869691] RDX: 0000000000000014 RSI: 00007fca47d7a000 RDI: 0000000000000001 [ 42.877662] RBP: 00007fca47d7a000 R08: 00007fca47d79010 R09: 0000000000000000 [ 42.885632] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.893602] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.901576] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Rammus, BIOS 09/04/2020 # [ 37.519904] RIP: 0010:0xffffa895c[ 42.928029] CR2: ffffffff96f2e330 [ 42.937940] ---[ end trace 2c1c583885b31ab7 ]--- [ 42.943093] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.947468] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 42.968449] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 42.974284] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.982257] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 42.990227] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 42.998215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.006175] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 43.014143] FS: 00007fca47f71580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 43.023180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.029596] CR2: ffffffff96f2e330 CR3: 000000010582c006 CR4: 00000000003706e0 [ 43.037566] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.047479] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat [ 43.055932] INFO: lockdep is turned off. [ 43.060307] irq event stamp: 0 [ 43.063711] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.070710] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.079833] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.088968] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.095968] CPU: 3 PID: 1902 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 43.104616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.111421] Call Trace: [ 43.114149] dump_stack+0x77/0x9b [ 43.117847] ___might_sleep.cold+0xa6/0xb6 [ 43.122410] exit_signals+0x1c/0x2e0 [ 43.126391] do_exit+0xc2/0xaf0 [ 43.129895] ? ksys_write+0x68/0xf0 [ 43.133789] make_task_dead+0x2f/0x30 [ 43.137876] rewind_stack_and_make_dead+0x17/0x20 [ 43.143127] RIP: 0033:0x7fca47e87833 [ 43.147115] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.168100] RSP: 002b:00007ffd2bbe1318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.176555] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fca47e87833 [ 43.184524] RDX: 0000000000000014 RSI: 00007fca47d7a000 RDI: 0000000000000001 [ 43.192492] RBP: 00007fca47d7a000 R08: 00007fca47d79010 R09: 0000000000000000 [ 43.200462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.208431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2237e18 # [ 37.524280] Code: 00 00 18 7e 23 c2 95 a8 ff ff 9c a9 33 96 ff ff ff ff 20 00 00 00 00 00 00 00 16 25 eb 96 ff ff ff ff cb aa 33 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 37.545265] RSP: 0018:ffffa895c2237df8 EFLAGS: 00010246 # [ 37.551099] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.559068] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 37.567036] RBP: ffffa895c2237e18 R08: 0000000000000000 R09: 0000000000000000 # [ 37.575006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.582975] R13: ffffa895c2237f10 R14: ffffa895c2237f10 R15: ffffa2528607c000 # [ 37.590943] FS: 00007f3cff109580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 37.599982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.606398] CR2: ffffa895c2237e18 CR3: 0000000105bfa002 CR4: 00000000003706f0 # [ 37.614367] Call Trace: # [ 37.617095] ? execute_location+0x45/0x56 # [ 37.621575] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 37.626049] ? direct_entry.cold+0x2c/0x38 # [ 37.630614] ? full_proxy_write+0x53/0x80 # [ 37.635095] ? vfs_write+0xe7/0x3a0 # [ 37.638979] ? ksys_write+0x68/0xf0 # [ 37.642872] ? do_syscall_64+0x30/0x40 # [ 37.647055] ? entry_SYSCALL_64[ 43.342327] lkdtm: Performing direct entry WRITE_KERN _after_hwframe+0x61/0xc6 # [ 37.652892] Modules linked in: fu[ 43.352593] lkdtm: attempting bad 6642790 byte write at ffffffff9633a946 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 43.366324] BUG: unable to handle page fault for address: ffffffff9633a946 [ 43.380195] #PF: supervisor write access in kernel mode [ 43.386031] #PF: error_code(0x0003) - permissions violation ri[ggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_deb 43.392245] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 1e2000e1 [ 43.405176] Oops: 0003 [#16] SMP PTI [ 43.409168] CPU: 2 PID: 1937 Comm: cat Tainted: G D W 5.10.167-cip26 #1 ugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_[ 43.417821] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.430841] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.679334] CR2[ 43.435996] Code: 53 48 c7 c3 46 a9 33 96 49 89 dc 48 89 da 49 81 ec e0 4c ce 95 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c ce 95 a4 48 c7 c7 90 33 eb 96 e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 43.463191] RSP: 0018:ffffa895c2797e50 EFLAGS: 00010246 : ffffa895c2237e18 # [ 37.683032] ---[ end trace 2c1c583885b3[ 43.469051] RAX: 000000000000003c RBX: ffffffff9633a946 RCX: 0000000000655c66 [ 43.483236] RDX: 0000000000000000 RSI: ffffffff95ce4ce0 RDI: ffffffff9633a946 [ 43.491214] RBP: ffffffff96eb259a R08: 0000000000000000 R09: 0000000000000000 [ 43.499183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000655c66 [ 43.507153] R13: ffffa895c2797f10 R14: ffffa895c2797f10 R15: ffffa2528583a000 [ 43.515122] FS: 00007f3d21f37580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 43.524157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.530571] CR2: ffffffff9633a946 CR3: 0000000103f96005 CR4: 00000000003706e0 [ 43.538538] Call Trace: [ 43.541279] direct_entry.cold+0x2c/0x38 1aae ]--- # [ 37.688179] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 43.545659] full_proxy_write+0x53/0x80 [ 43.556150] vfs_write+0xe7/0x3a0 37.692557] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de[ 43.559848] ksys_write+0x68/0xf0 [ 43.569758] do_syscall_64+0x30/0x40 [ 43.573748] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.579388] RIP: 0033:0x7f3d21e4d833 [ 43.583366] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.604347] RSP: 002b:00007fffe67a8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.612800] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3d21e4d833 [ 43.620769] RDX: 000000000000000b RSI: 00007f3d21d40000 RDI: 0000000000000001 [ 43.628738] RBP: 00007f3d21d40000 R08: 00007f3d21d3f010 R09: 0000000000000000 [ 43.636708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.644676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 [ 43.652649] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.685288] CR2: ffffffff9633a946 [ 43.688985] ---[ end trace 2c1c583885b31ab8 ]--- [ 43.694139] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.698515] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 [ 43.719500] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 [ 43.725325] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.733294] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 43.741277] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 [ 43.749244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.757218] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 [ 43.765186] FS: 00007f3d21f37580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 43.774261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.780681] CR2: ffffffff9633a946 CR3: 0000000103f96005 CR4: 00000000003706e0 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 37.713542] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 37.719368] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.727338] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 37.735309] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 37.743279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.751249] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 37.759239] FS: 00007f3cff109580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 37.768297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.774713] CR2: ffffa895c2237e18 CR3: 0000000105bfa002 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 37.953656] lkdtm: Performing direct entry EXEC_KMALLOC # [ 37.962569] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 37.975301] lkdtm: attempting bad execution at ffffa25284d13100 # [ 37.988126] kernel tried to execute NX-protected page - exploit attempt? ([ 43.906582] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW uid: 0) # [ 38.002699] BUG: unable to handle page fault for a[ 43.913453] lkdtm: attempting good refcount_inc() without overflow ddress: ffffa25284d13100 # [ 38.010379] #PF: supervisor instr[ 43.926606] lkdtm: attempting bad refcount_inc() overflow uction fetch in kernel mode # [ 38.016697] #PF: error_code(0x[ 43.938846] ------------[ cut here ]------------ 0011) - permissions violation # [ 38.022921] PGD 20801067 P4D[ 43.950217] refcount_t: saturated; leaking memory. 20801067 PUD 100855063 PMD 104d5f063 PTE 8000000104d13063 # [ [ 43.961807] WARNING: CPU: 0 PID: 1972 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 38.031769] Oops: 0011 [#7] SMP PTI # [ 38.041874] CPU: 2 PI[ 43.977464] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify D: 1617 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 44.010110] CPU: 0 PID: 1972 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 38.050525] Hardware name: Google Rammus/Rammus, BIOS 09/[ 44.025000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 04/2020 # [ 38.057330] RIP: 0010:0xffffa25284d13100 # [ 38[ 44.038025] RIP: 0010:refcount_warn_saturate+0x51/0x110 .061700] Code: 00 00 02 00 00 00 00 00 00 00 00 3b d1 84 52 a2 f[ 44.050090] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 f ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 50 95[ 44.077312] RSP: 0018:ffffa895c281fe48 EFLAGS: 00010286 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0[ 44.089410] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 f 1f 44 00 00 55 # [ 38.082684] RSP: 0018:ffffa895c22afe38 EF[ 44.103578] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 LAGS: 00010246 # [ 38.088510] RAX: 0000000000000033 RBX: 0000[ 44.117792] RBP: ffffffff96eb25a5 R08: 0000000000000000 R09: 0000000000000000 000000000001 RCX: 0000000000000000 # [ 38.096481] RDX: 000000[ 44.131955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000000000 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 38[ 44.146158] R13: ffffa895c281ff10 R14: ffffa895c281ff10 R15: ffffa25286155000 .104451] RBP: ffffa25284d13100 R08: 0000000000000000 R09: 000000[ 44.160339] FS: 00007fa64af5c580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 0000000000 # [ 38.112414] R10: 00000000ffffe000 R11: 3fffffff[ 44.175597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffff R12: 000000000000000d # [ 38.120375] R13: ffffa895c2[ 44.188219] CR2: 00007fa64ad65000 CR3: 0000000103002003 CR4: 00000000003706f0 2aff10 R14: ffffa895c22aff10 R15: ffffa25284f1f000 # [ 38.128[ 44.202396] Call Trace: 336] FS: 00007f948807d580(0000) GS:ffffa252fad00000(0000) knlGS[ 44.211338] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 :0000000000000000 # [ 38.137376] CS: 0010 DS: 0000 ES: 0000 [ 44.222928] direct_entry.cold+0x2c/0x38 CR0: 0000000080050033 # [ 38.143793] CR2: ffffa25284d13100 CR[ 44.233501] full_proxy_write+0x53/0x80 3: 0000000105bfa001 CR4: 00000000003706e0 # [ 38.151762] Call[ 44.244024] vfs_write+0xe7/0x3a0 Trace: # [ 38.154490] ? execute_location+0x45/0x56 # [ 3[ 44.253924] ksys_write+0x68/0xf0 8.158967] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 38.169847] ? d[ 44.263852] do_syscall_64+0x30/0x40 irect_entry.cold+0x2c/0x38 # [ 38.174419] ? full_proxy_write[ 44.274054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 +0x53/0x80 # [ 38.178897] ? vfs_write+0xe7/0x3a0 # [ 38.1[ 44.285943] RIP: 0033:0x7fa64ae72833 82790] ? ksys_write+0x68/0xf0 # [ 38.186682] ? do_syscall_6[ 44.296119] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 4+0x30/0x40 # [ 38.190867] ? entry_SYSCALL_64_after_hwframe+[ 44.323387] RSP: 002b:00007ffebdb327d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x61/0xc6 # [ 38.196696] Modules linked in: fuse ip_tables cr[ 44.338040] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa64ae72833 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 44.352236] RDX: 0000000000000016 RSI: 00007fa64ad65000 RDI: 0000000000000001 kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_li[ 44.366418] RBP: 00007fa64ad65000 R08: 00007fa64ad64010 R09: 0000000000000000 ghtbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cr[ 44.380618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 os_ec_dev cros_usbpd_notify # [ 38.229336] CR2: ffffa25284d13[ 44.394804] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 100 # [ 38.233034] ---[ end trace 2c1c583885b31aaf ]--- # [ [ 44.409002] irq event stamp: 0 38.238206] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.242591] Code[ 44.418611] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 44.431859] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 44.447207] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92[ 44.462591] softirqs last disabled at (0): [<0000000000000000>] 0x0 02 # [ 38.269790] RSP: 0018:ffffa895c1397e60 EFLAGS: 0001028[ 44.475775] ---[ end trace 2c1c583885b31ab9 ]--- 2 # [ 38.275615] RAX: ffffffff95ce4910 RBX: 0000000000000001 [ 44.487177] lkdtm: Overflow detected: saturated RCX: 0000000000000000 # [ 38.283584] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 38.291553] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 38.299524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.307495] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 38.315465] FS: 00007f948807d580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 38.324502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.330919] CR2: ffffa25284d13100 CR3: 0000000105bfa001 CR4: 00000000003706e0 # [ 38.338882] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.348796] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1617, name: cat # [ 38.357243] INFO: lockdep is turned off. # [ 38.361619] irq event stamp: 0 # [ 38.365024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.372024] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.381160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.390295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.397294] CPU: 2 PID: 1617 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 38.405942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.412745] Call Trace: # [ 38.415472] dump_stack+0x77/0x9b # [ 38.419172][ 44.635226] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ___might_sleep.cold+0xa6/0xb6 # [ 38.429954] exit_signals+[ 44.648081] lkdtm: attempting good refcount_add() without overflow 0x1c/0x2e0 # [ 38.433943] do_exit+0xc2/0xaf0 # [ 38.43744[ 44.661219] lkdtm: attempting bad refcount_add() overflow 7] ? ksys_write+0x68/0xf0 # [ 38.441329] make_task_dead+0x2[ 44.673455] ------------[ cut here ]------------ f/0x30 # [ 38.445409] rewind_stack_and_make_dead+0x17/0x20 [ 44.684827] refcount_t: saturated; leaking memory. # [ 38.450659] RIP: 0033:0x7f9487f93833 # [ 38.454647] Code[ 44.696426] WARNING: CPU: 2 PID: 2004 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 44.712042] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 44.744687] CPU: 2 PID: 2004 Comm: cat Tainted: G D W 5.10.167-cip26 #1 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 44.759556] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 18 # [ 38.475633] RSP: 002b:00007ffd57866248 EFLAGS: 0000024[ 44.772582] RIP: 0010:refcount_warn_saturate+0x51/0x110 6 ORIG_RAX: 0000000000000001 # [ 38.484090] RAX: ffffffffffff[ 44.784637] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 ffda RBX: 000000000000000d RCX: 00007f9487f93833 # [ 38.49205[ 44.811840] RSP: 0018:ffffa895c286fe48 EFLAGS: 00010286 9] RDX: 000000000000000d RSI: 00007f9487e86000 RDI: 000000000000[ 44.823893] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 44.838082] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 0001 # [ 38.500029] RBP: 00007f9487e86000 R08: 00007f9487e850[ 44.846056] RBP: ffffffff96eb25bb R08: 0000000000000000 R09: 0000000000000000 10 R09: 0000000000000000 # [ 38.507999] R10: fffffffffffffbc5[ 44.860256] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 44.874476] R13: ffffa895c286ff10 R14: ffffa895c286ff10 R15: ffffa25282774000 R11: 0000000000000246 R12: 0000000000000001 # [ 38.515961] R[ 44.882450] FS: 00007f7af79ef580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 44.897706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.910340] CR2: 00007f7af77f8000 CR3: 0000000105b70005 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm:[ 44.918315] Call Trace: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed [ 44.927270] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 38.628335] lkdtm: Performing direct entry EXEC_VMALLOC #[ 44.938839] direct_entry.cold+0x2c/0x38 [ 38.635462] lkdtm: attempting ok execution at ffffffff95ce4c[ 44.949435] full_proxy_write+0x53/0x80 e0 # [ 38.648208] lkdtm: attempting bad execution at ffffa895[ 44.959934] vfs_write+0xe7/0x3a0 c0351000 # [ 38.661033] kernel tried to execute NX-protected [ 44.969852] ksys_write+0x68/0xf0 page - exploit attempt? (uid: 0) # [ 38.675572] BUG: unable t[ 44.979768] do_syscall_64+0x30/0x40 o handle page fault for address: ffffa895c0351000 # [ 38.6832[ 44.989976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 62] #PF: supervisor instruction fetch in kernel mode # [ 38.6[ 45.001834] RIP: 0033:0x7f7af7905833 [ 45.012042] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 89580] #PF: error_code(0x0011) - permissions violation # [ 38[ 45.033031] RSP: 002b:00007fff682e2e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.047700] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7af7905833 .695802] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1008b4067[ 45.055674] RDX: 0000000000000016 RSI: 00007f7af77f8000 RDI: 0000000000000001 PTE 8000000104f98063 # [ 38.704849] Oops: 0011 [#8] SMP PTI [ 45.069860] RBP: 00007f7af77f8000 R08: 00007f7af77f7010 R09: 0000000000000000 # [ 38.708739] CPU: 0 PID: 1653 Comm: cat Tainted: G D W[ 45.084052] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5.10.167-cip26 #1 # [ 38.717386] Hardware name: Goog[ 45.098245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 le Rammus/Rammus, BIOS 09/04/2020 # [ 38.724215] RIP: 0010:0[ 45.112455] irq event stamp: 0 xffffa895c0351000 # [ 38.728590] Code: Unable to access opcod[ 45.122059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e bytes at RIP 0xffffa895c0350fd6. # [ 38.736269] RSP: 0018:f[ 45.135308] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 fffa895c2367e38 EFLAGS: 00010246 # [ 38.742095] RAX: 00000000[ 45.150638] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 45.165990] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.7[ 45.172992] ---[ end trace 2c1c583885b31aba ]--- [ 45.184359] lkdtm: Overflow detected: saturated 50064] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 38.758033] RBP: ffffa895c0351000 R08: 0000000000000000 R09: 0000000000000000 # [ 38.766003] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 38.773972] R13: ffffa895c2367f10 R14: ffffa895c2367f10 R15: ffffa25284f98000 # [ 38.781942] FS: 00007fd1e81c9580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 38.790982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.797398] CR2: ffffa895c0350fd6 CR3: 0000000105860003 CR4: 00000000003706f0 # [ 38.805369] Call Trace: # [ 38.808097] ? execute_location+0x45/0x56 # [ 38.812578] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 38.817264] ? direct_entry.cold+0x2c/0x38 # [ 38.821837] ? full_proxy_write+0x53/0x80 # [ 38.826312] ? vfs_write+0xe7/0x3a0 # [ 38.830216] ? ksys_write+0x68/0xf0 # [ 38.834108] ? do_syscall_64+0x30/0x40 # [ 38.838283] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.844120] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_p[ 45.306613] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.870565] [ 45.315262] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 45.328413] ------------[ cut here ]------------ [ 45.333594] refcount_t: saturated; leaking memory. [ 45.338981] WARNING: CPU: 3 PID: 2036 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 CR2: ffffa895c0351000 # [ 38.874267] ---[ end trace 2c1c58388[ 45.348424] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.381058] CPU: 3 PID: 2036 Comm: cat Tainted: G D W 5.10.167-cip26 #1 5b31ab0 ]--- # [ 38.879421] RIP: 0010:lkdtm_BUG+0x5/0x10 # [[ 45.389734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.402760] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 45.408597] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 [ 45.429587] RSP: 0018:ffffa895c2927e38 EFLAGS: 00010282 [ 45.435425] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 45.443403] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 38.883790] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb[ 45.451404] RBP: ffffffff96eb21f8 R08: 0000000000000000 R09: 0000000000000000 [ 45.465582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 45.473556] R13: ffffa895c2927f10 R14: ffffa895c2927f10 R15: ffffa252831b6000 [ 45.481530] FS: 00007f32edfbe580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 45.490571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.496990] CR2: 00007f32eddc7000 CR3: 0000000102772006 CR4: 00000000003706e0 [ 45.504961] Call Trace: [ 45.507691] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 45.513850] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 45.520099] direct_entry.cold+0x2c/0x38 [ 45.524481] full_proxy_write+0x53/0x80 [ 45.528766] vfs_write+0xe7/0x3a0 [ 45.532492] ksys_write+0x68/0xf0 [ 45.536209] do_syscall_64+0x30/0x40 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [ 45.540210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.552060] RIP: 0033:0x7f32eded4833 [ 45.556052] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.577039] RSP: 002b:00007fff99ce1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.585497] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32eded4833 [ 45.593487] RDX: 000000000000001f RSI: 00007f32eddc7000 RDI: 0000000000000001 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 45.601468] RBP: 00007f32eddc7000 R08: 00007f32eddc6010 R09: 0000000000000000 [ 45.615649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.623622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.631600] irq event stamp: 0 00 83 05 40 3d 92 02 # [ 38.904775] RSP: 0018:ffffa895c1397e[ 45.635032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.648260] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.657431] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 60 EFLAGS: 00010282 # [ 38.910609] RAX: ffffffff95ce4910 RBX:[ 45.666571] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.679788] ---[ end trace 2c1c583885b31abb ]--- 0000000000000001 RCX: 0000000000000000 # [ 38.918577] RDX: 0[ 45.684944] lkdtm: Overflow detected: saturated 000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 38.926547] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 38.934518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.942486] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 38.950455] FS: 00007fd1e81c9580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 38.959493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.965910] CR2: ffffa895c0350fd6 CR3: 0000000105860003 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 39.118453] lkdtm: Performing direct entry EXEC_RODATA # [ 39.128798] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 39.135366] lkdtm: attempting bad execution at ffffffff96ad15a0 # [ 39.142026] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.156557] BUG: unable to handle page fault for address: ffffffff96ad15a0 # [ 39.164254] #PF: supervisor [ 45.798238] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW instruction fetch in kernel mode # [ 39.170562] #PF: error_co[ 45.809466] lkdtm: attempting bad refcount_add_not_zero() overflow de(0x0011) - permissions violation # [ 39.176781] PGD 1f02906[ 45.822604] ------------[ cut here ]------------ 7 P4D 1f029067 PUD 1f02a063 PMD 800000001ea000e1 # [ 39.1842[ 45.833979] refcount_t: saturated; leaking memory. 77] Oops: 0011 [#9] SMP PTI # [ 39.188168] CPU: 3 PID: 1689 C[ 45.845555] WARNING: CPU: 0 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 omm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 39[ 45.861189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .196808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.893844] CPU: 0 PID: 2068 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 39.203617] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [[ 45.908706] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 39.209354] Code: ff ff 3b bf 33 96 ff ff ff ff 62 27 eb 96 ff[ 45.921759] RIP: 0010:refcount_warn_saturate+0x97/0x110 ff ff ff 81 a6 33 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 [ 45.933832] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 45.961046] RSP: 0018:ffffa895c297fe38 EFLAGS: 00010282 00 54 68 69 73 20 69 # [ 39.230328] RSP: 0018:ffffa895c23d7e[ 45.973116] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 48 EFLAGS: 00010246 # [ 39.236161] RAX: 0000000000000033 RBX:[ 45.987304] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 0000000000000000 RCX: 0000000000000000 # [ 39.244131] RDX: 0[ 46.001536] RBP: ffffffff96eb2218 R08: 0000000000000000 R09: 0000000000000000 000000000000000 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [[ 46.015703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 39.252100] RBP: ffffffff96ad15a0 R08: 0000000000000000 R09: 0[ 46.029914] R13: ffffa895c297ff10 R14: ffffa895c297ff10 R15: ffffa25283c77000 000000000000000 # [ 39.260068] R10: 00000000ffffe000 R11: 3ff[ 46.044093] FS: 00007f36b8396580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 fffffffffffff R12: 000000000000000c # [ 39.268035] R13: ffffa[ 46.059385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 895c23d7f10 R14: ffffa895c23d7f10 R15: ffffa25286060000 # [ 3[ 46.071994] CR2: 00007f36b819f000 CR3: 0000000103ee4002 CR4: 00000000003706f0 9.276004] FS: 00007f87d4d30580(0000) GS:ffffa252fad80000(0000) [ 46.086232] Call Trace: knlGS:0000000000000000 # [ 39.285042] CS: 0010 DS: 0000 ES: [ 46.095149] __refcount_add_not_zero.constprop.0+0x2a/0x35 0000 CR0: 0000000080050033 # [ 39.291458] CR2: ffffffff96ad15[ 46.107489] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 a0 CR3: 0000000104cbe005 CR4: 00000000003706e0 # [ 39.299426][ 46.119949] direct_entry.cold+0x2c/0x38 Call Trace: # [ 39.302153] ? execute_location+0x45/0x56 # [ 46.130574] full_proxy_write+0x53/0x80 [ 39.306626] ? direct_entry.cold+0x2c/0x38 # [ 39.311220] [ 46.141068] vfs_write+0xe7/0x3a0 ? full_proxy_write+0x53/0x80 # [ 39.315694] ? vfs_write+0xe[ 46.151013] ksys_write+0x68/0xf0 7/0x3a0 # [ 39.319584] ? ksys_write+0x68/0xf0 # [ 39.3234[ 46.160926] do_syscall_64+0x30/0x40 76] ? do_syscall_64+0x30/0x40 # [ 39.327651] ? entry_SYSCAL[ 46.171171] entry_SYSCALL_64_after_hwframe+0x61/0xc6 L_64_after_hwframe+0x61/0xc6 # [ 39.333487] Modules linked in[ 46.183015] RIP: 0033:0x7f36b82ac833 : fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrial[ 46.193288] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 io_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec[ 46.220445] RSP: 002b:00007ffd44798f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_[ 46.235143] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f36b82ac833 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.359942][ 46.249315] RDX: 000000000000001f RSI: 00007f36b819f000 RDI: 0000000000000001 CR2: ffffffff96ad15a0 # [ 39.369851] ---[ end trace 2c1c5838[ 46.263519] RBP: 00007f36b819f000 R08: 00007f36b819e010 R09: 0000000000000000 85b31ab1 ]--- # [ 39.375005] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.277699] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.379380] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff e[ 46.291917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb[ 46.306094] irq event stamp: 0 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0[ 46.315740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 00 83 05 40 3d 92 02 # [ 39.400361] RSP: 0018:ffffa895c1397[ 46.328949] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 e60 EFLAGS: 00010282 # [ 39.406216] RAX: ffffffff95ce4910 RBX[ 46.344330] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 0000000000000001 RCX: 0000000000000000 # [ 39.414184] RDX: [ 46.359661] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 46.372904] ---[ end trace 2c1c583885b31abc ]--- [ 39.422152] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: [ 46.384257] lkdtm: Overflow detected: saturated 0000000000000001 # [ 39.430120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.438090] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 39.446058] FS: 00007f87d4d30580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 39.455093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.461506] CR2: ffffffff96ad15a0 CR3: 0000000104cbe005 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 39.645082] lkdtm: Performing direct entry EXEC_USERSPACE # [ 39.655838] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 39.668573] lkdtm: attempting bad execution at 00007efc0c87f000 # [ 39.681384] unable to execute userspace code (SMEP?) (uid: 0) # [ 39.693990] BUG: unable to handle page fault for address: 00007efc0c87f000 # [ 39.701668] #PF: supervisor instruction fetch in kernel mode # [ 39.707987] #PF: error_code(0x0011) - permissions violation # [ 39.714210] PGD 800000010277e067 P4D 8[ 46.499724] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00000010277e067 PUD 10589c067 PMD 106001067 PTE 10a951067 # [ [ 46.507575] lkdtm: attempting good refcount_dec() 39.723938] Oops: 0011 [#10] SMP PTI # [ 39.727928] CPU: 0 PI[ 46.519064] lkdtm: attempting bad refcount_dec() to zero D: 1726 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 46.531231] ------------[ cut here ]------------ # [ 39.736570] Hardware name: Google Rammus/Rammus, BIOS 09/[ 46.542627] refcount_t: decrement hit 0; leaking memory. 04/2020 # [ 39.743368] RIP: 0010:0x7efc0c87f000 # [ 39.747[ 46.554760] WARNING: CPU: 0 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 356] Code: Unable to access opcode bytes at RIP 0x7efc0c87efd6. [ 46.570418] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.754646] RSP: 0018:ffffa895c2487e50 EFLAGS: 00010246 #[ 46.603069] CPU: 0 PID: 2100 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 39.760473] RAX: 0000000000000033 RBX: 0000000000000024 RCX:[ 46.617918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000000 # [ 39.768444] RDX: 0000000000000000 RSI: f[ 46.630955] RIP: 0010:refcount_warn_saturate+0xfb/0x110 fffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 39.776405] RBP: 000[ 46.642985] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07efc0c87f000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 46.670229] RSP: 0018:ffffa895c28cfe48 EFLAGS: 00010286 39.784375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 46.682257] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 000000000000f # [ 39.792344] R13: ffffa895c2487f10 R14: ffffa[ 46.696479] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 895c2487f10 R15: ffffa25284b03000 # [ 39.800314] FS: 00007ef[ 46.710653] RBP: ffffffff96eb25d1 R08: 0000000000000000 R09: 0000000000000000 c0c850580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000[ 46.724861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 39.809354] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 46.739023] R13: ffffa895c28cff10 R14: ffffa895c28cff10 R15: ffffa25284f5d000 0033 # [ 39.815761] CR2: 00007efc0c87f000 CR3: 00000001033a40[ 46.753284] FS: 00007f068b701580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 02 CR4: 00000000003706f0 # [ 39.823732] Call Trace: # [ 39[ 46.768503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .826460] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 39.831814[ 46.781164] CR2: 00007f068b50a000 CR3: 0000000105a04001 CR4: 00000000003706f0 ] ? direct_entry.cold+0x2c/0x38 # [ 39.836386] ? full_proxy[ 46.795342] Call Trace: _write+0x53/0x80 # [ 39.840868] ? vfs_write+0xe7/0x3a0 # [ [ 46.804333] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 39.844765] ? ksys_write+0x68/0xf0 # [ 39.848657] ? do_sys[ 46.815482] direct_entry.cold+0x2c/0x38 call_64+0x30/0x40 # [ 39.852847] ? entry_SYSCALL_64_after_hw[ 46.826083] full_proxy_write+0x53/0x80 frame+0x61/0xc6 # [ 39.858685] Modules linked in: fuse ip_tab[ 46.836568] vfs_write+0xe7/0x3a0 les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 46.846516] ksys_write+0x68/0xf0 buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros[ 46.856425] do_syscall_64+0x30/0x40 _ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_ther[ 46.866674] entry_SYSCALL_64_after_hwframe+0x61/0xc6 mal cros_ec_dev cros_usbpd_notify # [ 39.885128] CR2: 00007ef[ 46.878485] RIP: 0033:0x7f068b617833 c0c87f000 # [ 39.888824] ---[ end trace 2c1c583885b31ab2 ]---[ 46.888738] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.893980] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.898362[ 46.915925] RSP: 002b:00007ffcb6b442f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0[ 46.930610] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f068b617833 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 [ 46.944781] RDX: 0000000000000012 RSI: 00007f068b50a000 RDI: 0000000000000001 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40[ 46.958975] RBP: 00007f068b50a000 R08: 00007f068b509010 R09: 0000000000000000 3d 92 02 # [ 39.919345] RSP: 0018:ffffa895c1397e60 EFLAGS: 0[ 46.973154] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0010282 # [ 39.925178] RAX: ffffffff95ce4910 RBX: 00000000000[ 46.987359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00001 RCX: 0000000000000000 # [ 39.933149] RDX: 0000000000000[ 47.001534] irq event stamp: 0 000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 39.941111[ 47.011134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000[ 47.024354] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 001 # [ 39.949082] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 47.039733] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 f R12: 0000000000000004 # [ 39.957050] R13: ffffa895c1397f10 [ 47.055091] softirqs last disabled at (0): [<0000000000000000>] 0x0 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 39.965021] FS[ 47.068329] ---[ end trace 2c1c583885b31abd ]--- : 00007efc0c850580(0000) GS:ffffa252fac00000(0000) knlGS:000000[ 47.079694] lkdtm: Zero detected: saturated 0000000000 # [ 39.974052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.980459] CR2: 00007efc0c87f000 CR3: 00000001033a4002 CR4: 00000000003706f0 # [ 39.988428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.998342] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1726, name: cat # [ 40.006788] INFO: lockdep is turned off. # [ 40.011165] irq event stamp: 0 # [ 40.014571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.021572] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.030707] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.039842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.046840] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 40.055491] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.062295] Call Trace: # [ 40.065024] dump_stack+0x77/0x9b # [ 40.068727] ___might_sleep.cold+0xa6/0xb6 # [ 40.073304] exit_signals+0x1c/0x2e0 # [ 40.077286] do_exit+0xc2/0xaf0 # [ 40.080791] ? ksys_write+0x68/0xf0 # [ 40.084683] make_task_dead+0x2f/0x30 # [ 40.088760] rewind_stack_and_make_dead+0x17/0x20 # [ 40.094002] RIP: 0033:0x7efc0c766833 # [ 40.097991] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 [ 47.232155] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 47.240214] lkdtm: attempting bad refcount_dec() below zero [ 47.246464] ------------[ cut here ]------------ [ 47.251647] refcount_t: decrement hit 0; leaking memory. [ 47.257624] WARNING: CPU: 1 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 47.267065] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 47.293526] CPU: 1 PID: 2135 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 47.308390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 54 24 18 # [ 40.118975] RSP: 002b:00007ffe79feee88 EFLAGS: 0[ 47.315221] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 47.327272] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 47.348276] RSP: 0018:ffffa895c2a5fe48 EFLAGS: 00010286 [ 47.354128] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 47.362102] RDX: ffffa252facac660 RSI: ffffa252fac9bf70 RDI: ffffa252fac9bf70 [ 47.370074] RBP: ffffffff96eb25e3 R08: 0000000000000000 R09: 0000000000000000 [ 47.378047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000246 ORIG_RAX: 0000000000000001 # [ 40.127430] RAX: ffffff[ 47.386022] R13: ffffa895c2a5ff10 R14: ffffa895c2a5ff10 R15: ffffa25284fb9000 [ 47.400224] FS: 00007f7f17150580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 ffffffffda RBX: 000000000000000f RCX: 00007efc0c766833 # [ 40[ 47.409273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.421906] CR2: 00007f7f16f59000 CR3: 0000000105bfa003 CR4: 00000000003706e0 [ 47.429906] Call Trace: [ 47.432639] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 .135400] RDX: 000000000000000f RSI: 00007efc0c659000 RDI: 000000[ 47.438018] direct_entry.cold+0x2c/0x38 [ 47.448632] full_proxy_write+0x53/0x80 0000000001 # [ 40.143369] RBP: 00007efc0c659000 R08: 00007efc[ 47.452931] vfs_write+0xe7/0x3a0 [ 47.462837] ksys_write+0x68/0xf0 [ 47.466571] do_syscall_64+0x30/0x40 [ 47.470596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.476267] RIP: 0033:0x7f7f17066833 [ 47.480268] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.501274] RSP: 002b:00007fff532e2bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.509735] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f17066833 [ 47.517709] RDX: 0000000000000016 RSI: 00007f7f16f59000 RDI: 0000000000000001 [ 47.525684] RBP: 00007f7f16f59000 R08: 00007f7f16f58010 R09: 0000000000000000 [ 47.533656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.541629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.549608] irq event stamp: 0 0c658010 R09: 0000000000000000 # [ 40.151339] R10: ffffffffff[ 47.553044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.566271] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.575434] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.584574] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.591577] ---[ end trace 2c1c583885b31abe ]--- [ 47.596735] lkdtm: Negative detected: saturated fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.159309] 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 # [ 40.282868] lkdtm: Performing direct entry EXEC_NULL # [ 40.290915] lkdtm: attempting ok execution at ffffffff95ce4ce0 # [ 40.297466] lkdtm: attempting bad execution at 0000000000000000 # [ 40.304119] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 40.311921] #PF: supervisor instruction fetch in kernel mode # [ 40.324454] #PF: error_code(0x0010) - not-present page # [ 40.330205] PGD 0 P4D 0 # [ 40.333038] Oops: 0010 [#11] SMP PTI # [ 40.343239] CPU: 3 PID: 1762 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 40.351887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.358691] RIP: 0010:0x0 # [ 40.361612] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 40.369290] RSP: 0018:ffffa895c24efe48 EFLAGS: 00010246 # [ 40.375124] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00[ 47.708629] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 47.721283] lkdtm: attempting bad refcount_dec_and_test() below zero [ 47.728398] ------------[ cut here ]------------ [ 47.733555] refcount_t: underflow; use-after-free. 00000000000000 # [ 40.383093] RDX: 0000000000000000 RSI: ffff[ 47.738918] WARNING: CPU: 3 PID: 2170 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 47.754548] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify a252fad9bf70 RDI: ffffa252fad9bf70 # [ 40.391061] RBP: 000000[ 47.781010] CPU: 3 PID: 2170 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 47.795877] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.802719] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 47.808580] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 [ 47.829566] RSP: 0018:ffffa895c2b0fe40 EFLAGS: 00010286 [ 47.835403] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 47.843376] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 47.851349] RBP: ffffffff96eb2238 R08: 0000000000000000 R09: 0000000000000000 [ 47.859322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 47.867295] R13: ffffa895c2b0ff10 R14: ffffa895c2b0ff10 R15: ffffa25284d7b000 [ 47.875270] FS: 00007f9dbeb83580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 47.884311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.890729] CR2: 00007f9dbe98c000 CR3: 000000010591c001 CR4: 00000000003706e0 [ 47.898702] Call Trace: [ 47.901434] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 47.907594] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 47.913820] direct_entry.cold+0x2c/0x38 0000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 40[ 47.918220] full_proxy_write+0x53/0x80 [ 47.928721] vfs_write+0xe7/0x3a0 [ 47.932445] ksys_write+0x68/0xf0 [ 47.936146] do_syscall_64+0x30/0x40 [ 47.940138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.945781] RIP: 0033:0x7f9dbea99833 [ 47.949771] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.970758] RSP: 002b:00007fffe4f6f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.979219] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9dbea99833 .399030] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 47.987195] RDX: 000000000000001f RSI: 00007f9dbe98c000 RDI: 0000000000000001 [ 48.001380] RBP: 00007f9dbe98c000 R08: 00007f9dbe98b010 R09: 0000000000000000 [ 48.009354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.017326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000a # [ 40.406999] R13: ffffa895c24eff10 R14: ffffa895[ 48.025304] irq event stamp: 0 c24eff10 R15: ffffa252848a1000 # [ 40.414968] FS: 00007f220e[ 48.034921] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.048138] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.057276] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.066413] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.073415] ---[ end trace 2c1c583885b31abf ]--- [ 48.078571] lkdtm: Negative detected: saturated 6c7580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 40.424006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.430423] CR2: ffffffffffffffd6 CR3: 0000000103164003 CR4: 00000000003706e0 # [ 40.438392] Call Trace: # [ 40.441120] execute_location+0x45/0x56 # [ 40.445402] direct_entry.cold+0x2c/0x38 # [ 40.449783] full_proxy_write+0x53/0x80 # [ 40.454063] vfs_write+0xe7/0x3a0 # [ 40.457761] ksys_write+0x68/0xf0 # [ 40.461451] do_syscall_64+0x30/0x40 # [ 40.465431] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.471068] RIP: 0033:0x7f220e5dd833 # [ 40.475057] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.496042] RSP: 002b:00007fffccd9bd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.510712] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f220e5dd833 # [ 40.518681] RDX: 000000000000000a RSI: 00007f220e4d0000 RDI: 0000000000000001 # [ 40.526652] RBP: 00007f220e4d0000 R08: 00007f220e4cf010 R09: 0000000000000000 # [ 40.534624] R10: fffffffffffffbc5 R11: 000[ 48.195510] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 48.209337] lkdtm: attempting bad refcount_sub_and_test() below zero [ 48.216469] ------------[ cut here ]------------ [ 48.221648] refcount_t: underflow; use-after-free. [ 48.227023] WARNING: CPU: 3 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 48.236461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.262916] CPU: 3 PID: 2205 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 48.271569] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.278376] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000000000246 R12: 0000000000000001 # [ 40.542586] R13: 00000[ 48.284219] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 [ 48.311413] RSP: 0018:ffffa895c2b67e40 EFLAGS: 00010286 [ 48.317252] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4[ 48.325226] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 48.339410] RBP: ffffffff96eb2258 R08: 0000000000000000 R09: 0000000000000000 [ 48.347384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 48.355355] R13: ffffa895c2b67f10 R14: ffffa895c2b67f10 R15: ffffa25285b3f000 [ 48.363328] FS: 00007f0b9cf8b580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 48.372368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.378810] CR2: 00007f0b9cd94000 CR3: 00000001029be001 CR4: 00000000003706e0 0.550559] Modules linked in: fuse ip_tables cros_ec_sensors cros[ 48.386794] Call Trace: [ 48.395732] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 48.401892] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 48.408118] direct_entry.cold+0x2c/0x38 [ 48.412525] full_proxy_write+0x53/0x80 [ 48.416809] vfs_write+0xe7/0x3a0 [ 48.420533] ksys_write+0x68/0xf0 [ 48.424237] do_syscall_64+0x30/0x40 [ 48.428231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.433874] RIP: 0033:0x7f0b9cea1833 [ 48.437864] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.458852] RSP: 002b:00007ffc44bc32b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.467311] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0b9cea1833 [ 48.475283] RDX: 000000000000001f RSI: 00007f0b9cd94000 RDI: 0000000000000001 [ 48.483266] RBP: 00007f0b9cd94000 R08: 00007f0b9cd93010 R09: 0000000000000000 [ 48.491252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.499265] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.507259] irq event stamp: 0 [ 48.510698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.517702] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.526839] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.535977] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.542976] ---[ end trace 2c1c583885b31ac0 ]--- [ 48.548131] lkdtm: Negative detected: saturated _ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.577012] CR2: 0000000000000000 # [ 40.586923] ---[ end trace 2c1c583885b31ab3 ]--- # [ 40.592071] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.596447] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 40.617430] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 40.623270] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.631239] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 40.639214] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 40.647184] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.655154] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 40.663122] FS: 00007f220e6c7580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 40.672[ 48.662325] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 48.671430] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 48.678532] lkdtm: Good: zero detected 162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40[ 48.682721] lkdtm: Correctly stayed at zero .678577] CR2: ffffffffffffffd6 CR3: 0000000103164003 CR4: 000000[ 48.693606] lkdtm: attempting bad refcount_inc() from zero 00003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests:[ 48.705948] ------------[ cut here ]------------ [ 48.717320] refcount_t: addition on 0; use-after-free. [ 48.723089] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh #[ 48.732524] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.765189] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.167-cip26 #1 Killed # [ 40.793102] lkdtm: Performing direct entry ACCESS_[ 48.773844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.786863] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 48.792702] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 96 c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 [ 48.813689] RSP: 0018:ffffa895c2bdfe48 EFLAGS: 00010286 [ 48.819529] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 48.827502] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 48.835475] RBP: ffffffff96eb25f9 R08: 0000000000000000 R09: 0000000000000000 [ 48.843448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 48.851421] R13: ffffa895c2bdff10 R14: ffffa895c2bdff10 R15: ffffa252829c6000 [ 48.859397] FS: 00007f9e8fec8580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 48.868439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.874858] CR2: 00007f9e8fcd1000 CR3: 0000000103fc4002 CR4: 00000000003706e0 [ 48.882830] Call Trace: [ 48.885564] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 48.890559] direct_entry.cold+0x2c/0x38 [ 48.894973] full_proxy_write+0x53/0x80 [ 48.899288] vfs_write+0xe7/0x3a0 [ 48.903020] ksys_write+0x68/0xf0 [ 48.906747] do_syscall_64+0x30/0x40 [ 48.910761] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.916430] RIP: 0033:0x7f9e8fdde833 [ 48.920421] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.941410] RSP: 002b:00007ffe94f82858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.949869] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9e8fdde833 [ 48.957841] RDX: 0000000000000012 RSI: 00007f9e8fcd1000 RDI: 0000000000000001 [ 48.965814] RBP: 00007f9e8fcd1000 R08: 00007f9e8fcd0010 R09: 0000000000000000 USERSPACE # [ 40.804717] lkdtm: attempting bad read at 00007f[ 48.973788] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 53427ce000 # [ 40.817056] BUG: unable to handle page fault fo[ 48.987979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 r address: 00007f53427ce000 # [ 40.830911] #PF: supervisor re[ 49.002171] irq event stamp: 0 ad access in kernel mode # [ 40.836647] #PF: error_code(0x000[ 49.011790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.025007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 1) - permissions violation # [ 40.842870] PGD 800000010295d06[ 49.034146] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.049493] softirqs last disabled at (0): [<0000000000000000>] 0x0 7 P4D 800000010295d067 PUD 103ff9067 PMD 104c92067 PTE 1071ab067[ 49.056496] ---[ end trace 2c1c583885b31ac1 ]--- # [ 40.852591] Oops: 0001 [#12] SMP PTI[ 49.067863] lkdtm: Zero detected: saturated # [ 40.856581] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 40.865230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.872037] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 40.878266] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 34 eb 96 e8 3e 96 fd ff 48 c7 c7 a8 34 eb 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 d0 34 eb # [ 40.899251] RSP: 0018:ffffa895c254fe48 EFLAGS: 00010246 # [ 40.905084] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 40.913054] RDX: 0000000000000000 RSI: ffffa252fac1bf70 RDI: ffffffff96eb34a8 # [ 40.921024] RBP: 00007f53427ce000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.928993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 40.936963] R13: ffffa895c254ff10 R14: ffffa895c254ff10 R15: ffffa2528589c000 # [ 40.944934] FS: 00007f534279f580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 40.953973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.960387] CR2: 00007f53427ce000 CR3: 000000010295e0[ 49.187262] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 01 CR4: 00000000003706f0 # [ 40.968358] Call Trace: # [ 40[ 49.194930] lkdtm: attempting safe refcount_add_not_zero() from zero .971089] direct_entry.cold+0x2c/0x38 # [ 40.975473] full_pr[ 49.208303] lkdtm: Good: zero detected oxy_write+0x53/0x80 # [ 40.979761] vfs_write+0xe7/0x3a0 # [[ 49.218727] lkdtm: Correctly stayed at zero 40.983465] ksys_write+0x68/0xf0 # [ 40.987163] do_syscal[ 49.229628] lkdtm: attempting bad refcount_add() from zero l_64+0x30/0x40 # [ 40.991153] entry_SYSCALL_64_after_hwframe[ 49.241968] ------------[ cut here ]------------ +0x61/0xc6 # [ 40.996785] RIP: 0033:0x7f53426b5833 # [ 41.[ 49.253340] refcount_t: addition on 0; use-after-free. 000774] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 49.265312] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 49.280953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 49.313603] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.167-cip26 #1 48 89 54 24 18 # [ 41.021758] RSP: 002b:00007ffe7b4c1738 EFL[ 49.328466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.030214] RAX: [ 49.341513] RIP: 0010:refcount_warn_saturate+0x74/0x110 ffffffffffffffda RBX: 0000000000000011 RCX: 00007f53426b5833 # [ 49.353630] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 96 c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 [ 41.038184] RDX: 0000000000000011 RSI: 00007f53425a8000 RDI: [ 49.380772] RSP: 0018:ffffa895c2c8fe48 EFLAGS: 00010286 0000000000000001 # [ 41.046154] RBP: 00007f53425a8000 R08: 00[ 49.392876] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 007f53425a7010 R09: 0000000000000000 # [ 41.054125] R10: ffff[ 49.407049] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 49.421277] RBP: ffffffff96eb260b R08: 0000000000000000 R09: 0000000000000000 41.062095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 49.435435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000000020000 # [ 41.070070] Modules linked in: fuse ip_tables[ 49.449633] R13: ffffa895c2c8ff10 R14: ffffa895c2c8ff10 R15: ffffa25283c0c000 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buf[ 49.463806] FS: 00007f785da6d580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 fer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec[ 49.479088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal[ 49.491709] CR2: 00007f785d876000 CR3: 0000000104f1e005 CR4: 00000000003706f0 cros_ec_dev cros_usbpd_notify # [ 41.096514] CR2: 00007f5342[ 49.505902] Call Trace: 7ce000 # [ 41.100204] ---[ end trace 2c1c583885b31ab4 ]--- #[ 49.514846] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 41.105359] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.109727] C[ 49.526027] direct_entry.cold+0x2c/0x38 ode: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea[ 49.536617] full_proxy_write+0x53/0x80 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 [ 49.547137] vfs_write+0xe7/0x3a0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d[ 49.557042] ksys_write+0x68/0xf0 92 02 # [ 41.130711] RSP: 0018:ffffa895c1397e60 EFLAGS: 0001[ 49.566973] do_syscall_64+0x30/0x40 0282 # [ 41.136544] RAX: ffffffff95ce4910 RBX: 00000000000000[ 49.577164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 01 RCX: 0000000000000000 # [ 41.144513] RDX: 0000000000000000[ 49.589047] RIP: 0033:0x7f785d983833 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 41.152482] R[ 49.599241] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 BP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001[ 49.626464] RSP: 002b:00007ffedd1c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.160452] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 49.641127] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f785d983833 12: 0000000000000004 # [ 41.168421] R13: ffffa895c1397f10 R14[ 49.655329] RDX: 0000000000000012 RSI: 00007f785d876000 RDI: 0000000000000001 : ffffa895c1397f10 R15: ffffa25284126000 # [ 41.176390] FS: [ 49.669500] RBP: 00007f785d876000 R08: 00007f785d875010 R09: 0000000000000000 00007f534279f580(0000) GS:ffffa252fac00000(0000) knlGS:000000000[ 49.683684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000 # [ 41.185427] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 49.697882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00080050033 # [ 41.191842] CR2: 00007f53427ce000 CR3: 0000000[ 49.712107] irq event stamp: 0 10295e001 CR4: 00000000003706f0 # [ 41.199813] BUG: sleeping [ 49.721725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 function called from invalid context at include/linux/percpu-rws[ 49.734940] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 em.h:49 # [ 41.209724] in_atomic(): 0, irqs_disabled(): 1, no[ 49.750304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 n_block: 0, pid: 1797, name: cat # [ 41.218178] INFO: lockdep[ 49.765669] softirqs last disabled at (0): [<0000000000000000>] 0x0 is turned off. # [ 41.222555] irq event stamp: 0 # [ 41.2[ 49.778915] ---[ end trace 2c1c583885b31ac2 ]--- 25961] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.790309] lkdtm: Zero detected: saturated # [ 41.232959] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.242094] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.251229] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.258229] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 41.266879] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.273684] Call Trace: # [ 41.276410] dump_stack+0x77/0x9b # [ 41.280099] ___might_sleep.cold+0xa6/0xb6 # [ 41.284672] exit_signals+0x1c/0x2e0 # [ 41.288660] do_exit+0xc2/0xaf0 # [ 41.292164] ? ksys_write+0x68/0xf0 # [ 41.296047] make_task_dead+0x2f/0x30 # [ 41.300125] rewind_stack_and_make_dead+0x17/0x20 # [ 41.305376] RIP: 0033:0x7f53426b5833 # [ 41.309364] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.330347] RSP: 002b:00007ffe7b4c1738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.338803] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f53426b5833 # [ 41.346772] RDX: 0000000000000011 RSI: 00007f53425a8000 RDI: 000000000[ 49.925326] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 0000001 # [ 41.354742] RBP: 00007f53425a8000 R08: 00007f53425[ 49.932303] lkdtm: attempting bad refcount_inc() from saturated a7010 R09: 0000000000000000 # [ 41.362712] R10: fffffffffffff[ 49.945136] ------------[ cut here ]------------ bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.370682[ 49.956505] refcount_t: saturated; leaking memory. ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 49.968102] WARNING: CPU: 2 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests:[ 49.983722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh [ 50.016370] CPU: 2 PID: 2304 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # Killed # [ 41.571227] lkdtm: Performing direct entry ACCES[ 50.031232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 S_NULL # [ 41.577117] lkdtm: attempting bad read at 000000000[ 50.044298] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000 # [ 41.589478] BUG: kernel NULL pointer dereference, [ 50.056326] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 address: 0000000000000000 # [ 41.603433] #PF: supervisor read[ 50.083523] RSP: 0018:ffffa895c2cffe48 EFLAGS: 00010286 access in kernel mode # [ 41.609169] #PF: error_code(0x0000)[ 50.095575] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 - not-present page # [ 41.614905] PGD 0 P4D 0 # [ 41.617[ 50.109763] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 722] Oops: 0000 [#13] SMP PTI # [ 41.621702] CPU: 0 PID: 1832[ 50.123950] RBP: ffffffff96eb261d R08: 0000000000000000 R09: 0000000000000000 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ [ 50.138137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 41.630342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 50.152324] R13: ffffa895c2cfff10 R14: ffffa895c2cfff10 R15: ffffa2528593a000 # [ 41.637149] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ [ 50.166510] FS: 00007fba1b078580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 41.642405] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 2a d2 3c[ 50.181764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 34 eb 96 [ 50.194395] CR2: 00007fba1ae81000 CR3: 0000000103fc4002 CR4: 00000000003706e0 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7[ 50.208582] Call Trace: a8 34 eb 96 48 01 # [ 41.663389] RSP: 0018:ffffa895c260fe58 [ 50.217531] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 EFLAGS: 00010246 # [ 41.669222] RAX: 000000000000002e RBX: 00[ 50.229217] direct_entry.cold+0x2c/0x38 00000000000027 RCX: 0000000000000000 # [ 41.677193] RDX: 0000[ 50.239811] full_proxy_write+0x53/0x80 000000000000 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ [ 50.250308] vfs_write+0xe7/0x3a0 41.685155] RBP: ffffffff96eb2571 R08: 0000000000000000 R09: 0000[ 50.260222] ksys_write+0x68/0xf0 000000000000 # [ 41.693125] R10: 00000000ffffe000 R11: 3fffff[ 50.270140] do_syscall_64+0x30/0x40 ffffffffff R12: 000000000000000c # [ 41.701087] R13: ffffa895[ 50.280346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c260ff10 R14: ffffa895c260ff10 R15: ffffa25282647000 # [ 41.7[ 50.292221] RIP: 0033:0x7fba1af8e833 09048] FS: 00007fc04c2a1580(0000) GS:ffffa252fac00000(0000) knl[ 50.302425] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 GS:0000000000000000 # [ 41.718086] CS: 0010 DS: 0000 ES: 000[ 50.329629] RSP: 002b:00007ffe7a623878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.344305] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fba1af8e833 0 CR0: 0000000080050033 # [ 41.724500] CR2: 0000000000000000 [ 50.352281] RDX: 0000000000000017 RSI: 00007fba1ae81000 RDI: 0000000000000001 [ 50.366466] RBP: 00007fba1ae81000 R08: 00007fba1ae80010 R09: 0000000000000000 CR3: 000000010494a001 CR4: 00000000003706f0 # [ 41.732471] Ca[ 50.374440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.388623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ll Trace: # [ 41.735202] direct_entry.cold+0x2c/0x38 # [ [ 50.396621] irq event stamp: 0 41.739588] full_proxy_write+0x53/0x80 # [ 41.743876] vfs_wr[ 50.406221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ite+0xe7/0x3a0 # [ 41.747579] ksys_write+0x68/0xf0 # [ 41[ 50.419442] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.434798] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .751279] do_syscall_64+0x30/0x40 # [ 41.755276] entry_SYSCA[ 50.443938] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.457147] ---[ end trace 2c1c583885b31ac3 ]--- LL_64_after_hwframe+0x61/0xc6 # [ 41.760917] RIP: 0033:0x7fc0[ 50.462305] lkdtm: Saturation detected: still saturated 4c1b7833 # [ 41.764905] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.785890] RSP: 002b:00007ffcdbb86748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.794337] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc04c1b7833 # [ 41.802308] RDX: 000000000000000c RSI: 00007fc04c0aa000 RDI: 0000000000000001 # [ 41.810277] RBP: 00007fc04c0aa000 R08: 00007fc04c0a9010 R09: 0000000000000000 # [ 41.818248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.826218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.834192] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.860637] CR2: 0000000000000000 # [ 41.864334] ---[ end trace 2c1c583885b31ab5 ]--- # [ 41.869491] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.873868] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 4[ 50.604297] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 4 00 00 83 05 40 3d 92 02 # [ 41.894854] RSP: 0018:ffffa895c1[ 50.611796] lkdtm: attempting bad refcount_dec() from saturated 397e60 EFLAGS: 00010282 # [ 41.900687] RAX: ffffffff95ce4910 [ 50.624667] ------------[ cut here ]------------ RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.908656] RD[ 50.636014] refcount_t: decrement hit 0; leaking memory. X: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 [ 50.648165] WARNING: CPU: 0 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 41.916626] RBP: ffffffff96f0db00 R08: 0000000000000001 R0[ 50.663861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9: 0000000000000001 # [ 41.924596] R10: 00000000ffffe000 R11:[ 50.696464] CPU: 0 PID: 2339 Comm: cat Tainted: G D W 5.10.167-cip26 #1 3fffffffffffffff R12: 0000000000000004 # [ 41.932566] R13: f[ 50.711388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [[ 50.724452] RIP: 0010:refcount_warn_saturate+0xfb/0x110 41.940537] FS: 00007fc04c2a1580(0000) GS:ffffa252fac00000(00[ 50.736477] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00) knlGS:0000000000000000 # [ 41.949566] CS: 0010 DS: 0000 [ 50.763678] RSP: 0018:ffffa895c2da7e48 EFLAGS: 00010286 ES: 0000 CR0: 0000000080050033 # [ 41.955981] CR2: 0000000000[ 50.775753] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 000000 CR3: 000000010494a001 CR4: 00000000003706f0 # ACCESS_NUL[ 50.789960] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 L: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh[ 50.804188] RBP: ffffffff96eb2634 R08: 0000000000000000 R09: 0000000000000000 # selftests: lkdtm: WRITE_RO.sh # Killed # [ 42.092505] lk[ 50.818364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 dtm: Performing direct entry WRITE_RO # [ 42.099929] lkdtm: a[ 50.832578] R13: ffffa895c2da7f10 R14: ffffa895c2da7f10 R15: ffffa25284c91000 ttempting bad rodata write at ffffffff96ad1590 # [ 42.106866][ 50.846775] FS: 00007f062e144580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 BUG: unable to handle page fault for address: ffffffff96ad1590 [ 50.862018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.114553] #PF: supervisor write access in kernel mode #[ 50.874683] CR2: 00007f062df4d000 CR3: 0000000105bfa006 CR4: 00000000003706f0 [ 42.126601] #PF: error_code(0x0003) - permissions violation [ 50.888840] Call Trace: # [ 42.132824] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 800[ 50.897861] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 000001ea000e1 # [ 42.140312] Oops: 0003 [#14] SMP PTI # [ [ 50.909435] direct_entry.cold+0x2c/0x38 42.144300] CPU: 3 PID: 1867 Comm: cat Tainted: G D W [ 50.920079] full_proxy_write+0x53/0x80 5.10.167-cip26 #1 # [ 42.152949] Hardware name: Google Ram[ 50.930532] vfs_write+0xe7/0x3a0 mus/Rammus, BIOS 09/04/2020 # [ 42.159756] RIP: 0010:lkdtm_W[ 50.940433] ksys_write+0x68/0xf0 RITE_RO+0x2e/0x3a # [ 42.164716] Code: 00 48 c7 c7 60 33 eb 9[ 50.950342] do_syscall_64+0x30/0x40 6 48 c7 c6 90 15 ad 96 e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34[ 50.960559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 12 cd ab 48 c7 c7 90 33 eb 96 48 31 d0 <48> 89 05 ae 6b 79 00 e[ 50.972431] RIP: 0033:0x7f062e05a833 9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 # [ 42.185699] RS[ 50.982638] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 P: 0018:ffffa895c267fe60 EFLAGS: 00010202 # [ 42.191534] RAX:[ 51.009852] RSP: 002b:00007ffce7a9a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 #[ 51.024543] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f062e05a833 [ 42.199502] RDX: 00000000abcd1234 RSI: ffffa252fad9bf70 RDI:[ 51.038735] RDX: 0000000000000017 RSI: 00007f062df4d000 RDI: 0000000000000001 ffffffff96eb3390 # [ 42.207471] RBP: ffffffff96eb257d R08: 0[ 51.052946] RBP: 00007f062df4d000 R08: 00007f062df4c010 R09: 0000000000000000 000000000000000 R09: 0000000000000000 # [ 42.215440] R10: 000[ 51.067142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ [ 51.081351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 42.223410] R13: ffffa895c267ff10 R14: ffffa895c267ff10 R15: fff[ 51.095542] irq event stamp: 0 fa25282861000 # [ 42.231380] FS: 00007fc03e24e580(0000) GS:f[ 51.105167] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffa252fad80000(0000) knlGS:0000000000000000 # [ 42.240416] C[ 51.118407] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.24683[ 51.133765] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 2] CR2: ffffffff96ad1590 CR3: 00000001029be001 CR4: 000000000037[ 51.149141] softirqs last disabled at (0): [<0000000000000000>] 0x0 06e0 # [ 42.254802] Call Trace: # [ 42.257530] direct_ent[ 51.162363] ---[ end trace 2c1c583885b31ac4 ]--- ry.cold+0x2c/0x38 # [ 42.261908] full_proxy_write+0x53/0x80 [ 51.173755] lkdtm: Saturation detected: still saturated # [ 42.266207] vfs_write+0xe7/0x3a0 # [ 42.269913] ksys_write+0x68/0xf0 # [ 42.279825] do_syscall_64+0x30/0x40 # [ 42.283814] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.289452] RIP: 0033:0x7fc03e164833 # [ 42.293442] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.314416] RSP: 002b:00007fffa3b65f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.322873] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc03e164833 # [ 42.330843] RDX: 0000000000000009 RSI: 00007fc03e057000 RDI: 0000000000000001 # [ 42.338811] RBP: 00007fc03e057000 R08: 00007fc03e056010 R09: 0000000000000000 # [ 42.346780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.354748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.362720] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.389174] CR2: ffffffff96ad1590 # [ 42.399085] ---[ end trace 2c1c583885b31ab6 ]--- # [ 42.404232] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.408607] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 42.429591] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 42.43542[ 51.343228] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 1] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 000000000000[ 51.354258] lkdtm: attempting bad refcount_dec() from saturated 0000 # [ 42.443392] RDX: 0000000000000000 RSI: ffffa252fad9bf[ 51.367037] ------------[ cut here ]------------ 70 RDI: ffffffff96ad1110 # [ 42.451359] RBP: ffffffff96f0db00[ 51.378399] refcount_t: saturated; leaking memory. R08: 0000000000000001 R09: 0000000000000001 # [ 42.459329] R[ 51.390009] WARNING: CPU: 0 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004[ 51.405645] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.467298] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R[ 51.438307] CPU: 0 PID: 2374 Comm: cat Tainted: G D W 5.10.167-cip26 #1 15: ffffa25284126000 # [ 42.475267] FS: 00007fc03e24e580(000[ 51.453157] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 42.48[ 51.466222] RIP: 0010:refcount_warn_saturate+0x51/0x110 4297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4[ 51.478303] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 2.490711] CR2: ffffffff96ad1590 CR3: 00000001029be001 CR4: 00000[ 51.505511] RSP: 0018:ffffa895c2e07e48 EFLAGS: 00010286 000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests:[ 51.517550] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 51.531777] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # Killed # [ 42.621334] lkdtm: Performing direct entry WRITE[ 51.545953] RBP: ffffffff96eb264b R08: 0000000000000000 R09: 0000000000000000 _RO_AFTER_INIT # [ 42.629527] lkdtm: attempting bad ro_after_[ 51.560140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 init write at ffffffff96f2e330 # [ 42.637147] BUG: unable to [ 51.574368] R13: ffffa895c2e07f10 R14: ffffa895c2e07f10 R15: ffffa2528287a000 handle page fault for address: ffffffff96f2e330 # [ 42.644850[ 51.588546] FS: 00007fe50f76c580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 ] #PF: supervisor write access in kernel mode # [ 42.656899] [ 51.603841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #PF: error_code(0x0003) - permissions violation # [ 42.663121[ 51.616463] CR2: 00007fe50f575000 CR3: 0000000106000005 CR4: 00000000003706f0 ] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 104938063 PTE 80000[ 51.630693] Call Trace: 0001ef2e061 # [ 42.678084] Oops: 0003 [#15] SMP PTI # [ 42[ 51.639664] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 .682075] CPU: 3 PID: 1902 Comm: cat Tainted: G D W [ 51.651327] direct_entry.cold+0x2c/0x38 5.10.167-cip26 #1 # [ 42.690725] Hardware name: Google Rammus[ 51.661990] full_proxy_write+0x53/0x80 /Rammus, BIOS 09/04/2020 # [ 42.697537] RIP: 0010:lkdtm_WRIT[ 51.672440] vfs_write+0xe7/0x3a0 E_RO_AFTER_INIT+0x4e/0x5a # [ 42.709781] Code: 33 eb 96 e9 18[ 51.682395] ksys_write+0x68/0xf0 98 fd ff 48 c7 c7 e8 33 eb 96 e8 0c 98 fd ff 48 8b 05 0a 39 bf [ 51.692327] do_syscall_64+0x30/0x40 00 ba 34 12 cd ab 48 c7 c7 90 33 eb 96 48 31 d0 <48> 89 05 f4 38[ 51.702513] entry_SYSCALL_64_after_hwframe+0x61/0xc6 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 42.73[ 51.714360] RIP: 0033:0x7fe50f682833 0765] RSP: 0018:ffffa895c2717e60 EFLAGS: 00010202 # [ 42.7365[ 51.724573] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 91] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000000000[ 51.751761] RSP: 002b:00007ffe716615a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000 # [ 42.744558] RDX: 00000000abcd1234 RSI: ffffa252fad9b[ 51.766473] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe50f682833 f70 RDI: ffffffff96eb3390 # [ 42.752528] RBP: ffffffff96eb258[ 51.780629] RDX: 0000000000000017 RSI: 00007fe50f575000 RDI: 0000000000000001 6 R08: 0000000000000000 R09: 0000000000000000 # [ 42.760498] [ 51.794823] RBP: 00007fe50f575000 R08: 00007fe50f574010 R09: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001[ 51.809009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4 # [ 42.768466] R13: ffffa895c2717f10 R14: ffffa895c2717f10 [ 51.823239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R15: ffffa25284d66000 # [ 42.776436] FS: 00007fca47f71580(00[ 51.837399] irq event stamp: 0 00) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 42.7[ 51.847050] hardirqs last enabled at (0): [<0000000000000000>] 0x0 85474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 51.860270] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 42.791890] CR2: ffffffff96f2e330 CR3: 000000010582c006 CR4: 0000[ 51.875662] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000003706e0 # [ 42.799860] Call Trace: # [ 42.802587] di[ 51.890973] softirqs last disabled at (0): [<0000000000000000>] 0x0 rect_entry.cold+0x2c/0x38 # [ 42.806956] full_proxy_write+0x[ 51.904216] ---[ end trace 2c1c583885b31ac5 ]--- 53/0x80 # [ 42.811237] vfs_write+0xe7/0x3a0 # [ 42.814935[ 51.915559] lkdtm: Saturation detected: still saturated ] ksys_write+0x68/0xf0 # [ 42.818633] do_syscall_64+0x30/0x40 # [ 42.822623] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.828273] RIP: 0033:0x7fca47e87833 # [ 42.832268] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.853264] RSP: 002b:00007ffd2bbe1318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.861720] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fca47e87833 # [ 42.869691] RDX: 0000000000000014 RSI: 00007fca47d7a000 RDI: 0000000000000001 # [ 42.877662] RBP: 00007fca47d7a000 R08: 00007fca47d79010 R09: 0000000000000000 # [ 42.885632] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.893602] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.901576] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.928029] CR2: ffffffff96f2e330 # [ 42.937940] ---[ end trace 2c1c583885b31ab7 ]--- # [ 42.943093] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.947468] Code: 89 ff e[ 52.058137] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 52.066038] lkdtm: attempting bad refcount_inc_not_zero() from saturated cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 52.079759] ------------[ cut here ]------------ 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ [ 52.091113] refcount_t: saturated; leaking memory. 42.968449] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ [ 52.102690] WARNING: CPU: 2 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 42.974284] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000[ 52.118323] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000 # [ 42.982257] RDX: 0000000000000000 RSI: ffffa2[ 52.150967] CPU: 2 PID: 2406 Comm: cat Tainted: G D W 5.10.167-cip26 #1 52fad9bf70 RDI: ffffffff96ad1110 # [ 42.990227] RBP: ffffffff[ 52.165831] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 42.9[ 52.178854] RIP: 0010:refcount_warn_saturate+0x97/0x110 98215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 52.190908] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 00000004 # [ 43.006175] R13: ffffa895c1397f10 R14: ffffa895c1[ 52.218109] RSP: 0018:ffffa895c2e5fe38 EFLAGS: 00010282 [ 52.230158] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 397f10 R15: ffffa25284126000 # [ 43.014143] FS: 00007fca47f7[ 52.238140] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 1580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [[ 52.252320] RBP: ffffffff96eb2278 R08: 0000000000000000 R09: 0000000000000000 [ 52.266507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 43.023180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.274482] R13: ffffa895c2e5ff10 R14: ffffa895c2e5ff10 R15: ffffa2528586a000 [ 52.288666] FS: 00007f49373a0580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 43.029596] CR2: ffffffff96f2e330 CR3: 000000010582c006 CR[ 52.297710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.310337] CR2: 00007f49371a9000 CR3: 0000000106000005 CR4: 00000000003706e0 4: 00000000003706e0 # [ 43.037566] BUG: sleeping function cal[ 52.318310] Call Trace: led from invalid context at include/linux/percpu-rwsem.h:49 # [[ 52.327272] __refcount_add_not_zero.constprop.0+0x2a/0x35 43.047479] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, [ 52.339617] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 pid: 1902, name: cat # [ 43.055932] INFO: lockdep is turned o[ 52.352155] direct_entry.cold+0x2c/0x38 ff. # [ 43.060307] irq event stamp: 0 # [ 43.063711] hardi[ 52.362754] full_proxy_write+0x53/0x80 rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.070[ 52.373271] vfs_write+0xe7/0x3a0 710] hardirqs last disabled at (0): [] copy_pr[ 52.383205] ksys_write+0x68/0xf0 ocess+0x664/0x1cb0 # [ 43.079833] softirqs last enabled at ([ 52.393131] do_syscall_64+0x30/0x40 0): [] copy_process+0x664/0x1cb0 # [ 43.088[ 52.403341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 968] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.415219] RIP: 0033:0x7f49372b6833 [ 52.425426] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.095968] CPU: 3 PID: 1902 Comm: cat Tainted: G D W [ 52.446413] RSP: 002b:00007ffcd8d27bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.461082] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f49372b6833 5.10.167-cip26 #1 # [ 43.104616] Hardware name: Google [ 52.469057] RDX: 0000000000000020 RSI: 00007f49371a9000 RDI: 0000000000000001 [ 52.483259] RBP: 00007f49371a9000 R08: 00007f49371a8010 R09: 0000000000000000 Rammus/Rammus, BIOS 09/04/2020 # [ 43.111421] Call Trace: #[ 52.491241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.114149] dump_stack+0x77/0x9b # [ 43.117847] ___migh[ 52.505430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t_sleep.cold+0xa6/0xb6 # [ 43.122410] exit_signals+0x1c/0x2e[ 52.519642] irq event stamp: 0 0 # [ 43.126391] do_exit+0xc2/0xaf0 # [ 43.129895] ? ksy[ 52.529281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_write+0x68/0xf0 # [ 43.133789] make_task_dead+0x2f/0x30 #[ 52.542507] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.557862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.137876] rewind_stack_and_make_dead+0x17/0x20 # [ 43.[ 52.567003] softirqs last disabled at (0): [<0000000000000000>] 0x0 143127] RIP: 0033:0x7fca47e87833 # [ 43.147115] Code: 8b 15 6[ 52.580222] ---[ end trace 2c1c583885b31ac6 ]--- [ 52.591596] lkdtm: Saturation detected: still saturated 1 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.168100] RSP: 002b:00007ffd2bbe1318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.176555] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fca47e87833 # [ 43.184524] RDX: 0000000000000014 RSI: 00007fca47d7a000 RDI: 0000000000000001 # [ 43.192492] RBP: 00007fca47d7a000 R08: 00007fca47d79010 R09: 0000000000000000 # [ 43.200462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.208431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 43.342327] lkdtm: Performing direct entry WRITE_KERN # [ 43.352593] lkdtm: attempting bad 6642790 byte write at ffffffff9633a946 # [ 43.366324] BUG: unable to handle page fault for address: ffffffff9633a946 # [ 43.380195] #PF: supervisor write access in kernel mode # [ 43.386031] #PF: error_code(0x0003) - permissions violation # [ 43.392245] PGD 1f029067 P4D 1f029067 PUD 1f02a063 PMD 1e2000e1 # [ 43.405176] Oops: 0003 [#16] SMP PTI # [ 43.409168] CPU: 2 PID: 1937 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 43.417821] Ha[ 52.730832] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.43[ 52.741835] lkdtm: attempting bad refcount_add_not_zero() from saturated 0841] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.435996] Cod[ 52.755539] ------------[ cut here ]------------ e: 53 48 c7 c3 46 a9 33 96 49 89 dc 48 89 da 49 81 ec e0 4c ce 9[ 52.766916] refcount_t: saturated; leaking memory. 5 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c ce 95[ 52.778503] WARNING: CPU: 2 PID: 2438 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 a4 48 c7 c7 90 33 eb 96 e8 a4 97 fd ff 5b 41 5c e9 b7 fe f[ 52.794118] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f ff # [ 43.463191] RSP: 0018:ffffa895c2797e50 EFLAGS: 000102[ 52.826767] CPU: 2 PID: 2438 Comm: cat Tainted: G D W 5.10.167-cip26 #1 46 # [ 43.469051] RAX: 000000000000003c RBX: ffffffff9633a946[ 52.841629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RCX: 0000000000655c66 # [ 43.483236] RDX: 0000000000000000 R[ 52.854650] RIP: 0010:refcount_warn_saturate+0x97/0x110 SI: ffffffff95ce4ce0 RDI: ffffffff9633a946 # [ 43.491214] RBP[ 52.866705] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 : ffffffff96eb259a R08: 0000000000000000 R09: 0000000000000000 [ 52.893908] RSP: 0018:ffffa895c2f3fe38 EFLAGS: 00010282 [ 52.905961] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 43.499183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 52.913936] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 [ 52.928118] RBP: ffffffff96eb2298 R08: 0000000000000000 R09: 0000000000000000 : 0000000000655c66 # [ 43.507153] R13: ffffa895c2797f10 R14: [ 52.936093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.950275] R13: ffffa895c2f3ff10 R14: ffffa895c2f3ff10 R15: ffffa25284f3c000 ffffa895c2797f10 R15: ffffa2528583a000 # [ 43.515122] FS: 00[ 52.958268] FS: 00007f71f1e2f580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 [ 52.973520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 007f3d21f37580(0000) GS:ffffa252fad00000(0000) knlGS:00000000000[ 52.979939] CR2: 00007f71f1c38000 CR3: 00000001033b2001 CR4: 00000000003706e0 [ 52.994122] Call Trace: 00000 # [ 43.524157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 52.996856] __refcount_add_not_zero.constprop.0+0x2a/0x35 080050033 # [ 43.530571] CR2: ffffffff9633a946 CR3: 000000010[ 53.009209] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 3f96005 CR4: 00000000003706e0 # [ 43.538538] Call Trace: # [[ 53.021749] direct_entry.cold+0x2c/0x38 43.541279] direct_entry.cold+0x2c/0x38 # [ 43.545659] fu[ 53.032349] full_proxy_write+0x53/0x80 ll_proxy_write+0x53/0x80 # [ 43.556150] vfs_write+0xe7/0x3a0[ 53.042849] vfs_write+0xe7/0x3a0 # [ 43.559848] ksys_write+0x68/0xf0 # [ 43.569758] do_s[ 53.052763] ksys_write+0x68/0xf0 yscall_64+0x30/0x40 # [ 43.573748] entry_SYSCALL_64_after_hw[ 53.062678] do_syscall_64+0x30/0x40 frame+0x61/0xc6 # [ 43.579388] RIP: 0033:0x7f3d21e4d833 # [ [ 53.072883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 43.583366] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 53.084740] RIP: 0033:0x7f71f1d45833 [ 53.094945] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 53.115931] RSP: 002b:00007ffe4c3ddba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.130599] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f71f1d45833 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 53.138574] RDX: 0000000000000020 RSI: 00007f71f1c38000 RDI: 0000000000000001 [ 53.152760] RBP: 00007f71f1c38000 R08: 00007f71f1c37010 R09: 0000000000000000 ec 28 48 89 54 24 18 # [ 43.604347] RSP: 002b:00007fffe67a816[ 53.160735] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.174918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.612800] [ 53.182915] irq event stamp: 0 [ 53.192512] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3d21e4d83[ 53.199516] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.214863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 3 # [ 43.620769] RDX: 000000000000000b RSI: 00007f3d21d40000 [ 53.224005] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.237221] ---[ end trace 2c1c583885b31ac7 ]--- RDI: 0000000000000001 # [ 43.628738] RBP: 00007f3d21d40000 R0[ 53.242379] lkdtm: Saturation detected: still saturated 8: 00007f3d21d3f010 R09: 0000000000000000 # [ 43.636708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.644676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.652649] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.685288] CR2: ffffffff9633a946 # [ 43.688985] ---[ end trace 2c1c583885b31ab8 ]--- # [ 43.694139] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.698515] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 3d 92 02 # [ 43.719500] RSP: 0018:ffffa895c1397e60 EFLAGS: 00010282 # [ 43.725325] RAX: ffffffff95ce4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.733294] RDX: 0000000000000000 RSI: ffffa252fad9bf70 RDI: ffffffff96ad1110 # [ 43.741277] RBP: ffffffff96f0db00 R08: 0000000000000001 R09: 0000000000000001 # [ 43.749244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.757218] R13: ffffa895c1397f10 R14: ffffa895c1397f10 R15: ffffa25284126000 # [ 43.765186] FS: 00007f3d21f37580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 43.774261] CS: 0010 DS: 0000 ES: 0000 CR0: [ 53.391801] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 53.405188] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 53.412709] ------------[ cut here ]------------ 0000000080050033 # [ 43.780681] CR2: ffffffff9633a946 CR3: 00[ 53.417874] refcount_t: underflow; use-after-free. 00000103f96005 CR4: 00000000003706e0 # WRITE_KERN: saw 'call tr[ 53.429449] WARNING: CPU: 3 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 53.445083] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: l[ 53.471550] CPU: 3 PID: 2473 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 53.486405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.493241] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 53.499076] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 [ 53.520064] RSP: 0018:ffffa895c2fbfe40 EFLAGS: 00010286 [ 53.525901] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 53.533875] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 [ 53.541848] RBP: ffffffff96eb22b8 R08: 0000000000000000 R09: 0000000000000000 [ 53.549822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 53.557795] R13: ffffa895c2fbff10 R14: ffffa895c2fbff10 R15: ffffa25284f99000 [ 53.565768] FS: 00007fcef8e54580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 [ 53.574808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.581226] CR2: 00007fcef8c5d000 CR3: 00000001013f4005 CR4: 00000000003706e0 kdtm: REFCOUNT_INC_OVERFLOW.sh # [ 43.906582] lkdtm: Performi[ 53.589198] Call Trace: [ 53.598141] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 53.604291] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 53.610638] direct_entry.cold+0x2c/0x38 [ 53.615019] full_proxy_write+0x53/0x80 [ 53.619302] vfs_write+0xe7/0x3a0 [ 53.623004] ksys_write+0x68/0xf0 [ 53.626707] do_syscall_64+0x30/0x40 [ 53.630699] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.636343] RIP: 0033:0x7fcef8d6a833 [ 53.640335] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.661322] RSP: 002b:00007ffceda5f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.669781] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcef8d6a833 [ 53.677753] RDX: 0000000000000020 RSI: 00007fcef8c5d000 RDI: 0000000000000001 [ 53.685725] RBP: 00007fcef8c5d000 R08: 00007fcef8c5c010 R09: 0000000000000000 [ 53.693698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ng direct entry REFCOUNT_INC_OVERFLOW # [ 43.913453] lkdtm: a[ 53.701673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ttempting good refcount_inc() without overflow # [ 43.926606][ 53.715867] irq event stamp: 0 [ 53.725489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.732493] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.741632] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.750771] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.757772] ---[ end trace 2c1c583885b31ac8 ]--- [ 53.762930] lkdtm: Saturation detected: still saturated lkdtm: attempting bad refcount_inc() overflow # [ 43.938846] ------------[ cut here ]------------ # [ 43.950217] refcount_t: saturated; leaking memory. # [ 43.961807] WARNING: CPU: 0 PID: 1972 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.977464] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.010110] CPU: 0 PID: 1972 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 44.025000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.038025] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.050090] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 # [ 44.077312] RSP: 0018:ffffa895c281fe48 EFLAGS: 00010286 # [ 44.089410] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 44.103578] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 44.117792] RBP: ffffffff96eb25a5 R08: 0000000000000000 R09: 0000000000000000 # [ 44.131955] R10: 00000000ffffe000 R11: 3fffffffff[ 53.895346] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ffffff R12: 0000000000000016 # [ 44.146158] R13: ffffa895c281[ 53.907000] lkdtm: attempting bad refcount_sub_and_test() from saturated ff10 R14: ffffa895c281ff10 R15: ffffa25286155000 # [ 44.16033[ 53.920714] ------------[ cut here ]------------ 9] FS: 00007fa64af5c580(0000) GS:ffffa252fac00000(0000) knlGS:0[ 53.932103] refcount_t: underflow; use-after-free. 000000000000000 # [ 44.175597] CS: 0010 DS: 0000 ES: 0000 CR[ 53.943681] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0: 0000000080050033 # [ 44.188219] CR2: 00007fa64ad65000 CR3:[ 53.959311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000103002003 CR4: 00000000003706f0 # [ 44.202396] Call T[ 53.991975] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.167-cip26 #1 race: # [ 44.211338] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 54.006859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.222928] direct_entry.cold+0x2c/0x38 # [ 44.233501] [ 54.019914] RIP: 0010:refcount_warn_saturate+0xba/0x110 full_proxy_write+0x53/0x80 # [ 44.244024] vfs_write+0xe7/0x[ 54.032054] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 3a0 # [ 44.253924] ksys_write+0x68/0xf0 # [ 44.263852] d[ 54.059209] RSP: 0018:ffffa895c302fe40 EFLAGS: 00010286 o_syscall_64+0x30/0x40 # [ 44.274054] entry_SYSCALL_64_after[ 54.071264] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 _hwframe+0x61/0xc6 # [ 44.285943] RIP: 0033:0x7fa64ae72833 #[ 54.085434] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 [ 44.296119] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 [ 54.099618] RBP: ffffffff96eb22d8 R08: 0000000000000000 R09: 0000000000000000 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b[ 54.113842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 [ 54.128011] R13: ffffa895c302ff10 R14: ffffa895c302ff10 R15: ffffa252861d1000 83 ec 28 48 89 54 24 18 # [ 44.323387] RSP: 002b:00007ffebdb3[ 54.142292] FS: 00007f6c8ba6a580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 27d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.33804[ 54.157488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa64ae7[ 54.170159] CR2: 00007f6c8b873000 CR3: 0000000103018004 CR4: 00000000003706f0 2833 # [ 44.352236] RDX: 0000000000000016 RSI: 00007fa64ad650[ 54.184330] Call Trace: 00 RDI: 0000000000000001 # [ 44.366418] RBP: 00007fa64ad65000[ 54.193391] __refcount_sub_and_test.constprop.0+0x3c/0x50 R08: 00007fa64ad64010 R09: 0000000000000000 # [ 44.380618] R[ 54.205681] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001[ 54.218249] direct_entry.cold+0x2c/0x38 # [ 44.394804] R13: 0000000000000001 R14: 0000000000020000 R[ 54.228836] full_proxy_write+0x53/0x80 15: 0000000000020000 # [ 44.409002] irq event stamp: 0 # [ [ 54.239390] vfs_write+0xe7/0x3a0 44.418611] hardirqs last enabled at (0): [<0000000000000000>] [ 54.249255] ksys_write+0x68/0xf0 0x0 # [ 44.431859] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.447207] softirqs l[ 54.269423] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ast enabled at (0): [] copy_process+0x664/0x1[ 54.281250] RIP: 0033:0x7f6c8b980833 cb0 # [ 44.462591] softirqs last disabled at (0): [<000000000[ 54.291443] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000>] 0x0 # [ 44.475775] ---[ end trace 2c1c583885b31ab9 [ 54.318694] RSP: 002b:00007ffe5fa77e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ]--- # [ 44.487177] lkdtm: Overflow detected: saturated # RE[ 54.333388] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6c8b980833 FCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkd[ 54.347581] RDX: 0000000000000020 RSI: 00007f6c8b873000 RDI: 0000000000000001 tm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_O[ 54.361755] RBP: 00007f6c8b873000 R08: 00007f6c8b872010 R09: 0000000000000000 VERFLOW.sh # [ 44.635226] lkdtm: Performing direct entry REFC[ 54.375944] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 OUNT_ADD_OVERFLOW # [ 44.648081] lkdtm: attempting good refco[ 54.390168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 unt_add() without overflow # [ 44.661219] lkdtm: attempting b[ 54.404368] irq event stamp: 0 ad refcount_add() overflow # [ 44.673455] ------------[ cut h[ 54.413993] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ere ]------------ # [ 44.684827] refcount_t: saturated; leaki[ 54.427231] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ng memory. # [ 44.696426] WARNING: CPU: 2 PID: 2004 at lib/re[ 54.442611] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 fcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.712042] [ 54.457954] softirqs last disabled at (0): [<0000000000000000>] 0x0 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 54.471173] ---[ end trace 2c1c583885b31ac9 ]--- s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 54.482563] lkdtm: Saturation detected: still saturated _ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.744687] CPU: 2 PID: 2004 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 44.759556] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.772582] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.784637] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 # [ 44.811840] RSP: 0018:ffffa895c286fe48 EFLAGS: 00010286 # [ 44.823893] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 44.838082] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 44.846056] RBP: ffffffff96eb25bb R08: 0000000000000000 R09: 0000000000000000 # [ 44.860256] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.874476] R13: ffffa895c286ff10 R14: ffffa895c286ff10 R15: ffffa25282774000 # [ 44.882450] FS: 00007f7af79ef580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 44.897706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.910340] CR2: 00007f7af77f8000 CR3: 0000000105b70005 CR4: 00000000003706e0 # [ 44.918315] Call Trace: # [ 44.927270] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 44.938839] direct_entry.cold+0x2c/0x38 # [ 44.949435] full_proxy_write+0x53/0x80 # [ 44.959934] vfs_write+0xe7/0x3a0 # [ 44.969852] ksys_write+0x68/0xf0 # [ 44.979768] do_syscall_64+0x30/0x40 # [ 44.989976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.001834] RIP: 0033:0x7f7af7905833 # [ 45.012042] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 54.673828] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 54.681541] lkdtm: attempting good copy_to_user of correct size [ 54.688185] lkdtm: attempting bad copy_to_user of too large size <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.033031] RSP: 002b:00007fff682e2e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.047700] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7af7905833 # [ 45.055674] RDX: 0000000000000016 RSI: 00007f7af77f8000 RDI: 0000000000000001 # [ 45.069860] RBP: 00007f7af77f8000 R08: 00007f7af77f7010 R09: 0000000000000000 # [ 45.084052] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.098245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.112455] irq event stamp: 0 # [ 45.122059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.135308] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.150638] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.165990] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.172992] ---[ end trace 2c1c583885b31aba ]--- # [ 45.184359] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 45.306613] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 45.315262] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 45.328413] ------------[ cut here ]------------ # [ 45.333594] refcount_t: saturated; leaking memory. # [ 45.338981] WARNING: CPU: 3 PID: 2036 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.348424] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 54.859942] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 54.869674] lkdtm: attempting good copy_from_user of correct size c_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec[ 54.876513] lkdtm: attempting bad copy_from_user of too large size _sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.381058] CPU: 3 PID: 2036 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 45.389734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.402760] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.408597] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 # [ 45.429587] RSP: 0018:ffffa895c2927e38 EFLAGS: 00010282 # [ 45.435425] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.443403] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [ 45.451404] RBP: ffffffff96eb21f8 R08: 0000000000000000 R09: 0000000000000000 # [ 45.465582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.473556] R13: ffffa895c2927f10 R14: ffffa895c2927f10 R15: ffffa252831b6000 # [ 45.481530] FS: 00007f32edfbe580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 45.490571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.496990] CR2: 00007f32eddc7000 CR3: 0000000102772006 CR4:[ 55.002843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 55.014959] lkdtm: attempting good copy_to_user inside whitelist 00000000003706e0 # [ 45.504961] Call Trace: # [ 45.507691[ 55.021686] lkdtm: attempting bad copy_to_user outside whitelist ] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.513850] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.520099] direct_entry.cold+0x2c/0x38 # [ 45.524481] full_proxy_write+0x53/0x80 # [ 45.528766] vfs_write+0xe7/0x3a0 # [ 45.532492] ksys_write+0x68/0xf0 # [ 45.536209] do_syscall_64+0x30/0x40 # [ 45.540210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.552060] RIP: 0033:0x7f32eded4833 # [ 45.556052] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.577039] RSP: 002b:00007fff99ce1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.585497] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32eded4833 # [ 45.593487] RDX: 000000000000001f RSI: 00007f32eddc7000 RDI: 0000000000000001 # [ 45.601468] RBP: 00007f32eddc7000 R08: 00007f32eddc6010 R09: 0000000000000000 # [ 45.615649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.623622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.631600] irq event stamp: 0 # [ 45.635032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 4[ 55.153883] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 55.166408] lkdtm: attempting good copy_from_user inside whitelist [ 55.173344] lkdtm: attempting bad copy_from_user outside whitelist 5.648260] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.657431] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.666571] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.679788] ---[ end trace 2c1c583885b31abb ]--- # [ 45.684944] 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 # [ 45.798238] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 45.809466] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 45.822604] ------------[ cut here ]------------ # [ 45.833979] refcount_t: saturated; leaking memory. # [ 45.845555] WARNING: CPU: 0 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.861189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.893844] CPU: 0 PID: 2068 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 45.908706] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 55.308270] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 55.317687] lkdtm: good_stack: ffffa895c3417e20-ffffa895c3417e40 45.921759] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ [ 55.324408] lkdtm: bad_stack : ffffa895c3417da8-ffffa895c3417dc8 [ 55.337351] lkdtm: attempting good copy_to_user of local stack 45.933832] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d[ 55.343894] lkdtm: attempting bad copy_to_user of distant stack 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 # [ 45.961046] RSP: 0018:ffffa895c297fe38 EFLAGS: 00010282 # [ 45.973116] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.987304] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 46.001536] RBP: ffffffff96eb2218 R08: 0000000000000000 R09: 0000000000000000 # [ 46.015703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.029914] R13: ffffa895c297ff10 R14: ffffa895c297ff10 R15: ffffa25283c77000 # [ 46.044093] FS: 00007f36b8396580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 46.059385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.071994] CR2: 00007f36b819f000 CR3: 0000000103ee4002 CR4: 00000000003706f0 # [ 46.086232] Call Trace: # [ 46.095149] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.107489] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.119949] direct_entry.cold+0x2c/0x38 # [ 46.130574] full_proxy_write+0x53/0x80 # [ 46.141068] vfs_write+0xe7/0x3a0 # [ 46.151013] ksys_write+0x68/0xf0 # [ [ 55.473506] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 46.160926] do_syscall_64+0x30/0x40 # [ 46.171171] entry_SY[ 55.481951] lkdtm: good_stack: ffffa895c34b7e20-ffffa895c34b7e40 SCALL_64_after_hwframe+0x61/0xc6 # [ 46.183015] RIP: 0033:0x7[ 55.494886] lkdtm: bad_stack : ffffa895c34b7da8-ffffa895c34b7dc8 f36b82ac833 # [ 46.193288] Code: 8b 15 61 26 0e 00 f7 d8 64 8[ 55.507847] lkdtm: attempting good copy_from_user of local stack 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 55.520778] lkdtm: attempting bad copy_from_user of distant stack 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.220445] RSP: 002b:00007ffd44798f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.235143] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f36b82ac833 # [ 46.249315] RDX: 000000000000001f RSI: 00007f36b819f000 RDI: 0000000000000001 # [ 46.263519] RBP: 00007f36b819f000 R08: 00007f36b819e010 R09: 0000000000000000 # [ 46.277699] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.291917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.306094] irq event stamp: 0 # [ 46.315740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.328949] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.344330] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.359661] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.372904] ---[ end trace 2c1c583885b31abc ]--- # [ 46.384257] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 55.646332] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 55.658544] lkdtm: good_stack: ffffa895c352fe20-ffffa895c352fe40 [ 55.665284] lkdtm: bad_stack : ffffa895c352fff8-ffffa895c3530018 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 46.499724] lkdtm: [ 55.672034] lkdtm: attempting good copy_to_user of local stack [ 55.684784] lkdtm: attempting bad copy_to_user of distant stack Performing direct entry REFCOUNT_DEC_ZERO # [ 46.507575] lkdt[ 55.691411] lkdtm: copy_to_user failed, but lacked Oops m: attempting good refcount_dec() # [ 46.519064] lkdtm: attempting bad refcount_dec() to zero # [ 46.531231] ------------[ cut here ]------------ # [ 46.542627] refcount_t: decrement hit 0; leaking memory. # [ 46.554760] WARNING: CPU: 0 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.570418] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.603069] CPU: 0 PID: 2100 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 46.617918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.630955] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.642985] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.670229] RSP: 0018:ffffa895c28cfe48 EFLAGS: 00010286 # [ 46.682257] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 46.696479] RDX: ffffa252fac2c660[ 55.820988] lkdtm: Performing direct entry USERCOPY_KERNEL [ 55.827945] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff96ad15b0 [ 55.836625] lkdtm: attempting bad copy_to_user from kernel text: ffffffff956e3b20 [ 55.845004] lkdtm: FAIL: survived bad copy_to_user() RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 46.710653] RBP: ffffffff96eb25d1 R08: 0000000000000000 R09: 0000000000000000 # [ 46.724861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.739023] R13: ffffa895c28cff10 R14: ffffa895c28cff10 R15: ffffa25284f5d000 # [ 46.753284] FS: 00007f068b701580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 46.768503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.781164] CR2: 00007f068b50a000 CR3: 0000000105a04001 CR4: 00000000003706f0 # [ 46.795342] Call Trace: # [ 46.804333] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 46.815482] direct_entry.cold+0x2c/0x38 # [ 46.826083] full_proxy_write+0x53/0x80 # [ 46.836568] vfs_write+0xe7/0x3a0 # [ 46.846516] ksys_write+0x68/0xf0 # [ 46.856425] do_syscall_64+0x30/0x40 # [ 46.866674] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.878485] RIP: 0033:0x7f068b617833 # [ 46.888738] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.915925] RSP: 002b:00007ffcb6b442f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.930610] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f068b617833 # [ 46.944781] RDX: 0000000000000012 RSI: 00007f068b50a000 RDI: 0000000000000001 # [ 46.958975] RBP: 00007f068b50a000 R08: 00007f[ 55.987355] lkdtm: Performing direct entry STACKLEAK_ERASING [ 55.999968] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 56.007889] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 56.015693] lkdtm: FAIL: the thread stack is NOT properly erased [ 56.022422] CPU: 3 PID: 2873 Comm: cat Tainted: G D W 5.10.167-cip26 #1 [ 56.031079] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.037885] Call Trace: [ 56.040616] dump_stack+0x77/0x9b [ 56.044319] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 56.049474] direct_entry.cold+0x2c/0x38 [ 56.053854] full_proxy_write+0x53/0x80 [ 56.058137] vfs_write+0xe7/0x3a0 [ 56.061833] ksys_write+0x68/0xf0 [ 56.065530] do_syscall_64+0x30/0x40 [ 56.069510] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.075139] RIP: 0033:0x7fc8cd849833 [ 56.079129] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.100114] RSP: 002b:00007ffe87e46d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.108571] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc8cd849833 [ 56.116541] RDX: 0000000000000012 RSI: 00007fc8cd73c000 RDI: 0000000000000001 [ 56.124511] RBP: 00007fc8cd73c000 R08: 00007fc8cd73b010 R09: 0000000000000000 [ 56.132482] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.140451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 068b509010 R09: 0000000000000000 # [ 46.973154] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.987359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.001534] irq event stamp: 0 # [ 47.011134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.024354] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.039733] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.055091] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.068329] ---[ end trace 2c1c583885b31abd ]--- # [ 47.079694] 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 # [ 47.232155] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 47.240214] lkdtm: attempting bad refcount_dec() below zero # [ 47.246464] ------------[ cut here ]------------ # [ 47.251647] refcount_t: decrement hit 0; leaking memory. # [ 47.257624] WARNING: CPU: 1 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.267065] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigg[ 56.266724] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 56.279082] lkdtm: Calling matched prototype ... ered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs[ 56.284253] lkdtm: Calling mismatched prototype ... cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp[ 56.295916] lkdtm: Fail: survived mismatched prototype function call! _thermal cros_ec_dev cros_usbpd_notify # [ 47.293526] CPU: 1 PID: 2135 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 47.308390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.315221] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.327272] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 47.348276] RSP: 0018:ffffa895c2a5fe48 EFLAGS: 00010286 # [ 47.354128] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 47.362102] RDX: ffffa252facac660 RSI: ffffa252fac9bf70 RDI: ffffa252fac9bf70 # [ 47.370074] RBP: ffffffff96eb25e3 R08: 0000000000000000 R09: 0000000000000000 # [ 47.378047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.386022] R13: ffffa895c2a5ff10 R14: ffffa895c2a5ff10 R15: ffffa25284fb9000 # [ 47.400224] FS: 00007f7f17150580(0000) GS:ffffa252fac80000(0000) knlGS:0000000000000000 # [ 47.409273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.421906] CR2: 00007f7f16f59000 CR3: 0000000105bfa003 CR4: 00000000003706e0 # [ 47.429906] Call Trace: # [ 47.432639] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 47.438018] direct_entry.cold+0x2c/0x38 # [ 47.448632] full_proxy_write+0x53/0x80 # [ 47.452931] vfs_write+0xe7/0x3a0 # [ 47.462837] ksys_write+0x68/0xf0 # [ 47.466571] do_syscall_64+0x30/0x40 # [ 47.470596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.476267] RIP: 0033:0x7f7f17066833 # [ 47.480268] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.501274] RSP: 002b:00007fff532e2bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.509735] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f17066833 # [ 47.517709] RDX: 0000000000000016 RSI: 00007f7f16f59000 RDI: 0000000000000001 # [ 47.525684] RBP: 00007f7f16f59000 R08: 00007f7f16f58010 R09: 0000000000000000 # [ 47.533656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.541629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.549608] irq event stamp: 0 # [ 47.553044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.566271] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.575434] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.584574] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.591577] ---[ end trace 2c1c583885b31abe ]--- # [ 47.596735] 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 # [ 47.708629] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 47.721283] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 47.728398] ------------[ cut here ]------------ # [ 47.733555] refcount_t: underflow; use-after-free. # [ 47.738918] WARNING: CPU: 3 PID: 2170 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.754548] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.781010] CPU: 3 PID: 2170 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 47.795877] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.802719] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.808580] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 47.829566] RSP: 0018:ffffa895c2b0fe40 EFLAGS: 00010286 # [ 47.835403] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 47.843376] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [ 47.851349] RBP: ffffffff96eb2238 R08: 0000000000000000 R09: 0000000000000000 # [ 47.859322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.867295] R13: ffffa895c2b0ff10 R14: ffffa895c2b0ff10 R15: ffffa25284d7b000 # [ 47.875270] FS: 00007f9dbeb83580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 47.884311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.890729] CR2: 00007f9dbe98c000 CR3: 000000010591c001 CR4: 00000000003706e0 # [ 47.898702] Call Trace: # [ 47.901434] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.907594] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 47.913820] direct_entry.cold+0x2c/0x38 # [ 47.918220] full_proxy_write+0x53/0x80 # [ 47.928721] vfs_write+0xe7/0x3a0 # [ 47.932445] ksys_write+0x68/0xf0 # [ 47.936146] do_syscall_64+0x30/0x40 # [ 47.940138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.945781] RIP: 0033:0x7f9dbea99833 # [ 47.949771] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.970758] RSP: 002b:00007fffe4f6f158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.979219] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9dbea99833 # [ 47.987195] RDX: 000000000000001f RSI: 00007f9dbe98c000 RDI: 0000000000000001 # [ 48.001380] RBP: 00007f9dbe98c000 R08: 00007f9dbe98b010 R09: 0000000000000000 # [ 48.009354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.017326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.025304] irq event stamp: 0 # [ 48.034921] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.048138] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.057276] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.066413] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.073415] ---[ end trace 2c1c583885b31abf ]--- # [ 48.078571] 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 # [ 48.195510] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 48.209337] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 48.216469] ------------[ cut here ]------------ # [ 48.221648] refcount_t: underflow; use-after-free. # [ 48.227023] WARNING: CPU: 3 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.236461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.262916] CPU: 3 PID: 2205 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 48.271569] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.278376] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.284219] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.311413] RSP: 0018:ffffa895c2b67e40 EFLAGS: 00010286 # [ 48.317252] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 48.325226] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [ 48.339410] RBP: ffffffff96eb2258 R08: 0000000000000000 R09: 0000000000000000 # [ 48.347384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.355355] R13: ffffa895c2b67f10 R14: ffffa895c2b67f10 R15: ffffa25285b3f000 # [ 48.363328] FS: 00007f0b9cf8b580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 48.372368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.378810] CR2: 00007f0b9cd94000 CR3: 00000001029be001 CR4: 00000000003706e0 # [ 48.386794] Call Trace: # [ 48.395732] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.401892] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 48.408118] direct_entry.cold+0x2c/0x38 # [ 48.412525] full_proxy_write+0x53/0x80 # [ 48.416809] vfs_write+0xe7/0x3a0 # [ 48.420533] ksys_write+0x68/0xf0 # [ 48.424237] do_syscall_64+0x30/0x40 # [ 48.428231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.433874] RIP: 0033:0x7f0b9cea1833 # [ 48.437864] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.458852] RSP: 002b:00007ffc44bc32b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.467311] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0b9cea1833 # [ 48.475283] RDX: 000000000000001f RSI: 00007f0b9cd94000 RDI: 0000000000000001 # [ 48.483266] RBP: 00007f0b9cd94000 R08: 00007f0b9cd93010 R09: 0000000000000000 # [ 48.491252] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.499265] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.507259] irq event stamp: 0 # [ 48.510698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.517702] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.526839] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.535977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.542976] ---[ end trace 2c1c583885b31ac0 ]--- # [ 48.548131] 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 # [ 48.662325] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 48.671430] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 48.678532] lkdtm: Good: zero detected # [ 48.682721] lkdtm: Correctly stayed at zero # [ 48.693606] lkdtm: attempting bad refcount_inc() from zero # [ 48.705948] ------------[ cut here ]------------ # [ 48.717320] refcount_t: addition on 0; use-after-free. # [ 48.723089] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.732524] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.765189] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 48.773844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.786863] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.792702] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 96 c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 # [ 48.813689] RSP: 0018:ffffa895c2bdfe48 EFLAGS: 00010286 # [ 48.819529] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 48.827502] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [ 48.835475] RBP: ffffffff96eb25f9 R08: 0000000000000000 R09: 0000000000000000 # [ 48.843448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.851421] R13: ffffa895c2bdff10 R14: ffffa895c2bdff10 R15: ffffa252829c6000 # [ 48.859397] FS: 00007f9e8fec8580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 48.868439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.874858] CR2: 00007f9e8fcd1000 CR3: 0000000103fc4002 CR4: 00000000003706e0 # [ 48.882830] Call Trace: # [ 48.885564] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 48.890559] direct_entry.cold+0x2c/0x38 # [ 48.894973] full_proxy_write+0x53/0x80 # [ 48.899288] vfs_write+0xe7/0x3a0 # [ 48.903020] ksys_write+0x68/0xf0 # [ 48.906747] do_syscall_64+0x30/0x40 # [ 48.910761] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.916430] RIP: 0033:0x7f9e8fdde833 # [ 48.920421] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.941410] RSP: 002b:00007ffe94f82858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.949869] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9e8fdde833 # [ 48.957841] RDX: 0000000000000012 RSI: 00007f9e8fcd1000 RDI: 0000000000000001 # [ 48.965814] RBP: 00007f9e8fcd1000 R08: 00007f9e8fcd0010 R09: 0000000000000000 # [ 48.973788] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.987979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.002171] irq event stamp: 0 # [ 49.011790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.025007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.034146] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.049493] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.056496] ---[ end trace 2c1c583885b31ac1 ]--- # [ 49.067863] 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 # [ 49.187262] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 49.194930] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 49.208303] lkdtm: Good: zero detected # [ 49.218727] lkdtm: Correctly stayed at zero # [ 49.229628] lkdtm: attempting bad refcount_add() from zero # [ 49.241968] ------------[ cut here ]------------ # [ 49.253340] refcount_t: addition on 0; use-after-free. # [ 49.265312] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.280953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.313603] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 49.328466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.341513] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.353630] Code: 01 01 e8 81 f4 94 00 0f 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 96 c6 05 52 ec 93 01 01 e8 5e f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 # [ 49.380772] RSP: 0018:ffffa895c2c8fe48 EFLAGS: 00010286 # [ 49.392876] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 49.407049] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 49.421277] RBP: ffffffff96eb260b R08: 0000000000000000 R09: 0000000000000000 # [ 49.435435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.449633] R13: ffffa895c2c8ff10 R14: ffffa895c2c8ff10 R15: ffffa25283c0c000 # [ 49.463806] FS: 00007f785da6d580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 49.479088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.491709] CR2: 00007f785d876000 CR3: 0000000104f1e005 CR4: 00000000003706f0 # [ 49.505902] Call Trace: # [ 49.514846] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 49.526027] direct_entry.cold+0x2c/0x38 # [ 49.536617] full_proxy_write+0x53/0x80 # [ 49.547137] vfs_write+0xe7/0x3a0 # [ 49.557042] ksys_write+0x68/0xf0 # [ 49.566973] do_syscall_64+0x30/0x40 # [ 49.577164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.589047] RIP: 0033:0x7f785d983833 # [ 49.599241] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.626464] RSP: 002b:00007ffedd1c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.641127] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f785d983833 # [ 49.655329] RDX: 0000000000000012 RSI: 00007f785d876000 RDI: 0000000000000001 # [ 49.669500] RBP: 00007f785d876000 R08: 00007f785d875010 R09: 0000000000000000 # [ 49.683684] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.697882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.712107] irq event stamp: 0 # [ 49.721725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.734940] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.750304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.765669] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.778915] ---[ end trace 2c1c583885b31ac2 ]--- # [ 49.790309] 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 # [ 49.925326] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 49.932303] lkdtm: attempting bad refcount_inc() from saturated # [ 49.945136] ------------[ cut here ]------------ # [ 49.956505] refcount_t: saturated; leaking memory. # [ 49.968102] WARNING: CPU: 2 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.983722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.016370] CPU: 2 PID: 2304 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 50.031232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.044298] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 50.056326] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 # [ 50.083523] RSP: 0018:ffffa895c2cffe48 EFLAGS: 00010286 # [ 50.095575] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 50.109763] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 50.123950] RBP: ffffffff96eb261d R08: 0000000000000000 R09: 0000000000000000 # [ 50.138137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.152324] R13: ffffa895c2cfff10 R14: ffffa895c2cfff10 R15: ffffa2528593a000 # [ 50.166510] FS: 00007fba1b078580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 50.181764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.194395] CR2: 00007fba1ae81000 CR3: 0000000103fc4002 CR4: 00000000003706e0 # [ 50.208582] Call Trace: # [ 50.217531] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 50.229217] direct_entry.cold+0x2c/0x38 # [ 50.239811] full_proxy_write+0x53/0x80 # [ 50.250308] vfs_write+0xe7/0x3a0 # [ 50.260222] ksys_write+0x68/0xf0 # [ 50.270140] do_syscall_64+0x30/0x40 # [ 50.280346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.292221] RIP: 0033:0x7fba1af8e833 # [ 50.302425] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.329629] RSP: 002b:00007ffe7a623878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.344305] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fba1af8e833 # [ 50.352281] RDX: 0000000000000017 RSI: 00007fba1ae81000 RDI: 0000000000000001 # [ 50.366466] RBP: 00007fba1ae81000 R08: 00007fba1ae80010 R09: 0000000000000000 # [ 50.374440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.388623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.396621] irq event stamp: 0 # [ 50.406221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.419442] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.434798] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.443938] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.457147] ---[ end trace 2c1c583885b31ac3 ]--- # [ 50.462305] 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 # [ 50.604297] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 50.611796] lkdtm: attempting bad refcount_dec() from saturated # [ 50.624667] ------------[ cut here ]------------ # [ 50.636014] refcount_t: decrement hit 0; leaking memory. # [ 50.648165] WARNING: CPU: 0 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.663861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.696464] CPU: 0 PID: 2339 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 50.711388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.724452] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.736477] Code: e0 dc e4 96 c6 05 e2 eb 93 01 01 e8 f1 f3 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 b0 dc e4 96 c6 05 c9 eb 93 01 01 e8 d7 f3 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.763678] RSP: 0018:ffffa895c2da7e48 EFLAGS: 00010286 # [ 50.775753] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 50.789960] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 50.804188] RBP: ffffffff96eb2634 R08: 0000000000000000 R09: 0000000000000000 # [ 50.818364] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.832578] R13: ffffa895c2da7f10 R14: ffffa895c2da7f10 R15: ffffa25284c91000 # [ 50.846775] FS: 00007f062e144580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 50.862018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.874683] CR2: 00007f062df4d000 CR3: 0000000105bfa006 CR4: 00000000003706f0 # [ 50.888840] Call Trace: # [ 50.897861] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 50.909435] direct_entry.cold+0x2c/0x38 # [ 50.920079] full_proxy_write+0x53/0x80 # [ 50.930532] vfs_write+0xe7/0x3a0 # [ 50.940433] ksys_write+0x68/0xf0 # [ 50.950342] do_syscall_64+0x30/0x40 # [ 50.960559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.972431] RIP: 0033:0x7f062e05a833 # [ 50.982638] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.009852] RSP: 002b:00007ffce7a9a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.024543] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f062e05a833 # [ 51.038735] RDX: 0000000000000017 RSI: 00007f062df4d000 RDI: 0000000000000001 # [ 51.052946] RBP: 00007f062df4d000 R08: 00007f062df4c010 R09: 0000000000000000 # [ 51.067142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.081351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.095542] irq event stamp: 0 # [ 51.105167] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.118407] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.133765] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.149141] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.162363] ---[ end trace 2c1c583885b31ac4 ]--- # [ 51.173755] 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 # [ 51.343228] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 51.354258] lkdtm: attempting bad refcount_dec() from saturated # [ 51.367037] ------------[ cut here ]------------ # [ 51.378399] refcount_t: saturated; leaking memory. # [ 51.390009] WARNING: CPU: 0 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.405645] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.438307] CPU: 0 PID: 2374 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 51.453157] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.466222] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.478303] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 86 ec 93 01 00 75 ee 48 c7 c7 30 dc e4 96 c6 05 76 ec 93 01 01 e8 81 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 62 ec 93 01 00 75 cb 48 c7 c7 58 dc e4 # [ 51.505511] RSP: 0018:ffffa895c2e07e48 EFLAGS: 00010286 # [ 51.517550] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 51.531777] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 51.545953] RBP: ffffffff96eb264b R08: 0000000000000000 R09: 0000000000000000 # [ 51.560140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.574368] R13: ffffa895c2e07f10 R14: ffffa895c2e07f10 R15: ffffa2528287a000 # [ 51.588546] FS: 00007fe50f76c580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 51.603841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.616463] CR2: 00007fe50f575000 CR3: 0000000106000005 CR4: 00000000003706f0 # [ 51.630693] Call Trace: # [ 51.639664] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 51.651327] direct_entry.cold+0x2c/0x38 # [ 51.661990] full_proxy_write+0x53/0x80 # [ 51.672440] vfs_write+0xe7/0x3a0 # [ 51.682395] ksys_write+0x68/0xf0 # [ 51.692327] do_syscall_64+0x30/0x40 # [ 51.702513] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.714360] RIP: 0033:0x7fe50f682833 # [ 51.724573] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.751761] RSP: 002b:00007ffe716615a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.766473] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe50f682833 # [ 51.780629] RDX: 0000000000000017 RSI: 00007fe50f575000 RDI: 0000000000000001 # [ 51.794823] RBP: 00007fe50f575000 R08: 00007fe50f574010 R09: 0000000000000000 # [ 51.809009] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.823239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.837399] irq event stamp: 0 # [ 51.847050] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.860270] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.875662] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.890973] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.904216] ---[ end trace 2c1c583885b31ac5 ]--- # [ 51.915559] 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 # [ 52.058137] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 52.066038] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 52.079759] ------------[ cut here ]------------ # [ 52.091113] refcount_t: saturated; leaking memory. # [ 52.102690] WARNING: CPU: 2 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.118323] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.150967] CPU: 2 PID: 2406 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 52.165831] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.178854] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.190908] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 # [ 52.218109] RSP: 0018:ffffa895c2e5fe38 EFLAGS: 00010282 # [ 52.230158] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.238140] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 52.252320] RBP: ffffffff96eb2278 R08: 0000000000000000 R09: 0000000000000000 # [ 52.266507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.274482] R13: ffffa895c2e5ff10 R14: ffffa895c2e5ff10 R15: ffffa2528586a000 # [ 52.288666] FS: 00007f49373a0580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 52.297710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.310337] CR2: 00007f49371a9000 CR3: 0000000106000005 CR4: 00000000003706e0 # [ 52.318310] Call Trace: # [ 52.327272] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.339617] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.352155] direct_entry.cold+0x2c/0x38 # [ 52.362754] full_proxy_write+0x53/0x80 # [ 52.373271] vfs_write+0xe7/0x3a0 # [ 52.383205] ksys_write+0x68/0xf0 # [ 52.393131] do_syscall_64+0x30/0x40 # [ 52.403341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.415219] RIP: 0033:0x7f49372b6833 # [ 52.425426] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.446413] RSP: 002b:00007ffcd8d27bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.461082] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f49372b6833 # [ 52.469057] RDX: 0000000000000020 RSI: 00007f49371a9000 RDI: 0000000000000001 # [ 52.483259] RBP: 00007f49371a9000 R08: 00007f49371a8010 R09: 0000000000000000 # [ 52.491241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.505430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.519642] irq event stamp: 0 # [ 52.529281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.542507] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.557862] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.567003] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.580222] ---[ end trace 2c1c583885b31ac6 ]--- # [ 52.591596] 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 # [ 52.730832] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 52.741835] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 52.755539] ------------[ cut here ]------------ # [ 52.766916] refcount_t: saturated; leaking memory. # [ 52.778503] WARNING: CPU: 2 PID: 2438 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.794118] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.826767] CPU: 2 PID: 2438 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 52.841629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.854650] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.866705] Code: 01 01 e8 5e f4 94 00 0f 0b c3 cc cc cc cc 80 3d 41 ec 93 01 00 75 a8 48 c7 c7 30 dc e4 96 c6 05 31 ec 93 01 01 e8 3b f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 # [ 52.893908] RSP: 0018:ffffa895c2f3fe38 EFLAGS: 00010282 # [ 52.905961] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.913936] RDX: ffffa252fad2c660 RSI: ffffa252fad1bf70 RDI: ffffa252fad1bf70 # [ 52.928118] RBP: ffffffff96eb2298 R08: 0000000000000000 R09: 0000000000000000 # [ 52.936093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.950275] R13: ffffa895c2f3ff10 R14: ffffa895c2f3ff10 R15: ffffa25284f3c000 # [ 52.958268] FS: 00007f71f1e2f580(0000) GS:ffffa252fad00000(0000) knlGS:0000000000000000 # [ 52.973520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.979939] CR2: 00007f71f1c38000 CR3: 00000001033b2001 CR4: 00000000003706e0 # [ 52.994122] Call Trace: # [ 52.996856] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 53.009209] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 53.021749] direct_entry.cold+0x2c/0x38 # [ 53.032349] full_proxy_write+0x53/0x80 # [ 53.042849] vfs_write+0xe7/0x3a0 # [ 53.052763] ksys_write+0x68/0xf0 # [ 53.062678] do_syscall_64+0x30/0x40 # [ 53.072883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.084740] RIP: 0033:0x7f71f1d45833 # [ 53.094945] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.115931] RSP: 002b:00007ffe4c3ddba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.130599] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f71f1d45833 # [ 53.138574] RDX: 0000000000000020 RSI: 00007f71f1c38000 RDI: 0000000000000001 # [ 53.152760] RBP: 00007f71f1c38000 R08: 00007f71f1c37010 R09: 0000000000000000 # [ 53.160735] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.174918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.182915] irq event stamp: 0 # [ 53.192512] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.199516] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.214863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.224005] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.237221] ---[ end trace 2c1c583885b31ac7 ]--- # [ 53.242379] 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 # [ 53.391801] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 53.405188] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 53.412709] ------------[ cut here ]------------ # [ 53.417874] refcount_t: underflow; use-after-free. # [ 53.429449] WARNING: CPU: 3 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.445083] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.471550] CPU: 3 PID: 2473 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 53.486405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.493241] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.499076] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.520064] RSP: 0018:ffffa895c2fbfe40 EFLAGS: 00010286 # [ 53.525901] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 53.533875] RDX: ffffa252fadac660 RSI: ffffa252fad9bf70 RDI: ffffa252fad9bf70 # [ 53.541848] RBP: ffffffff96eb22b8 R08: 0000000000000000 R09: 0000000000000000 # [ 53.549822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.557795] R13: ffffa895c2fbff10 R14: ffffa895c2fbff10 R15: ffffa25284f99000 # [ 53.565768] FS: 00007fcef8e54580(0000) GS:ffffa252fad80000(0000) knlGS:0000000000000000 # [ 53.574808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.581226] CR2: 00007fcef8c5d000 CR3: 00000001013f4005 CR4: 00000000003706e0 # [ 53.589198] Call Trace: # [ 53.598141] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.604291] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 53.610638] direct_entry.cold+0x2c/0x38 # [ 53.615019] full_proxy_write+0x53/0x80 # [ 53.619302] vfs_write+0xe7/0x3a0 # [ 53.623004] ksys_write+0x68/0xf0 # [ 53.626707] do_syscall_64+0x30/0x40 # [ 53.630699] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.636343] RIP: 0033:0x7fcef8d6a833 # [ 53.640335] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.661322] RSP: 002b:00007ffceda5f508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.669781] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcef8d6a833 # [ 53.677753] RDX: 0000000000000020 RSI: 00007fcef8c5d000 RDI: 0000000000000001 # [ 53.685725] RBP: 00007fcef8c5d000 R08: 00007fcef8c5c010 R09: 0000000000000000 # [ 53.693698] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.701673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.715867] irq event stamp: 0 # [ 53.725489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.732493] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.741632] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.750771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.757772] ---[ end trace 2c1c583885b31ac8 ]--- # [ 53.762930] 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 # [ 53.895346] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 53.907000] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 53.920714] ------------[ cut here ]------------ # [ 53.932103] refcount_t: underflow; use-after-free. # [ 53.943681] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.959311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.991975] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 54.006859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.019914] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 54.032054] Code: 01 01 e8 3b f4 94 00 0f 0b c3 cc cc cc cc 80 3d 1b ec 93 01 00 75 85 48 c7 c7 88 dc e4 96 c6 05 0b ec 93 01 01 e8 18 f4 94 00 <0f> 0b c3 cc cc cc cc 80 3d f6 eb 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 54.059209] RSP: 0018:ffffa895c302fe40 EFLAGS: 00010286 # [ 54.071264] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 54.085434] RDX: ffffa252fac2c660 RSI: ffffa252fac1bf70 RDI: ffffa252fac1bf70 # [ 54.099618] RBP: ffffffff96eb22d8 R08: 0000000000000000 R09: 0000000000000000 # [ 54.113842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.128011] R13: ffffa895c302ff10 R14: ffffa895c302ff10 R15: ffffa252861d1000 # [ 54.142292] FS: 00007f6c8ba6a580(0000) GS:ffffa252fac00000(0000) knlGS:0000000000000000 # [ 54.157488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.170159] CR2: 00007f6c8b873000 CR3: 0000000103018004 CR4: 00000000003706f0 # [ 54.184330] Call Trace: # [ 54.193391] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.205681] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 54.218249] direct_entry.cold+0x2c/0x38 # [ 54.228836] full_proxy_write+0x53/0x80 # [ 54.239390] vfs_write+0xe7/0x3a0 # [ 54.249255] ksys_write+0x68/0xf0 # [ 54.259190] do_syscall_64+0x30/0x40 # [ 54.269423] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.281250] RIP: 0033:0x7f6c8b980833 # [ 54.291443] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.318694] RSP: 002b:00007ffe5fa77e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.333388] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6c8b980833 # [ 54.347581] RDX: 0000000000000020 RSI: 00007f6c8b873000 RDI: 0000000000000001 # [ 54.361755] RBP: 00007f6c8b873000 R08: 00007f6c8b872010 R09: 0000000000000000 # [ 54.375944] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.390168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.404368] irq event stamp: 0 # [ 54.413993] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.427231] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.442611] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.457954] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.471173] ---[ end trace 2c1c583885b31ac9 ]--- # [ 54.482563] 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 # [ 54.673828] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 54.681541] lkdtm: attempting good copy_to_user of correct size # [ 54.688185] 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 # [ 54.859942] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 54.869674] lkdtm: attempting good copy_from_user of correct size # [ 54.876513] 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 # [ 55.002843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 55.014959] lkdtm: attempting good copy_to_user inside whitelist # [ 55.021686] 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 # [ 55.153883] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 55.166408] lkdtm: attempting good copy_from_user inside whitelist # [ 55.173344] 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 # [ 55.308270] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 55.317687] lkdtm: good_stack: ffffa895c3417e20-ffffa895c3417e40 # [ 55.324408] lkdtm: bad_stack : ffffa895c3417da8-ffffa895c3417dc8 # [ 55.337351] lkdtm: attempting good copy_to_user of local stack # [ 55.343894] 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 # [ 55.473506] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 55.481951] lkdtm: good_stack: ffffa895c34b7e20-ffffa895c34b7e40 # [ 55.494886] lkdtm: bad_stack : ffffa895c34b7da8-ffffa895c34b7dc8 # [ 55.507847] lkdtm: attempting good copy_from_user of local stack # [ 55.520778] 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 # [ 55.646332] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 55.658544] lkdtm: good_stack: ffffa895c352fe20-ffffa895c352fe40 # [ 55.665284] lkdtm: bad_stack : ffffa895c352fff8-ffffa895c3530018 # [ 55.672034] lkdtm: attempting good copy_to_user of local stack # [ 55.684784] lkdtm: attempting bad copy_to_user of distant stack # [ 55.691411] 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 # [ 55.820988] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 55.827945] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff96ad15b0 # [ 55.836625] lkdtm: attempting bad copy_to_user from kernel text: ffffffff956e3b20 # [ 55.845004] 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 # [ 55.987355] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 55.999968] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 56.007889] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 56.015693] lkdtm: FAIL: the thread stack is NOT properly erased # [ 56.022422] CPU: 3 PID: 2873 Comm: cat Tainted: G D W 5.10.167-cip26 #1 # [ 56.031079] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.037885] Call Trace: # [ 56.040616] dump_stack+0x77/0x9b # [ 56.044319] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 56.049474] direct_entry.cold+0x2c/0x38 # [ 56.053854] full_proxy_write+0x53/0x80 # [ 56.058137] vfs_write+0xe7/0x3a0 # [ 56.061833] ksys_write+0x68/0xf0 # [ 56.065530] do_syscall_64+0x30/0x40 # [ 56.069510] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.075139] RIP: 0033:0x7fc8cd849833 # [ 56.079129] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.100114] RSP: 002b:00007ffe87e46d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.108571] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc8cd849833 # [ 56.116541] RDX: 0000000000000012 RSI: 00007fc8cd73c000 RDI: 0000000000000001 # [ 56.124511] RBP: 00007fc8cd73c000 R08: 00007fc8cd73b010 R09: 0000000000000000 # [ 56.132482] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.140451] 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 # [ 56.266724] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 56.279082] lkdtm: Calling matched prototype ... # [ 56.284253] lkdtm: Calling mismatched prototype ... # [ 56.295916] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #