[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! . 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 37064 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 2 apic_id 3. AP: slot 3 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked 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 376151 run 167487 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8976 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 8973 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90965 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107748 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 14156 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14159 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22373 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 53523 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 13865 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 11315 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 9265 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 10046 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 10048 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466086 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486186 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 825955 exit 39251 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114394 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139331 exit 20889 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 30870 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5969 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2241 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 23489 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 23827 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 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 24791 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-12-08 15:53:51 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-12-08 15:53:51 UTC ELOG: Event(A6) added with size 13 at 2022-12-08 15:53:51 UTC ELOG: Event(92) added with size 9 at 2022-12-08 15:53:51 UTC ELOG: Event(9A) added with size 9 at 2022-12-08 15:53:51 UTC ELOG: Event(AD) added with size 10 at 2022-12-08 15:53:51 UTC ELOG: Event(9F) added with size 14 at 2022-12-08 15:53:51 UTC BS: BS_DEV_INIT times (us): entry 0 run 417497 exit 66305 ELOG: Event(A1) added with size 10 at 2022-12-08 15:53:51 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-12-08 15:53:51 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 25605 run 3970 exit 5199 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 537747 exit 146856 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 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 610 run 261939 exit 135671 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 8290345/tftp-deploy-sspp6jt6/kernel/bzImage 8290345/tftp-deploy-sspp6jt6/kernel/cmdline 8290345/tftp-deploy-sspp6jt6/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8290345/tftp-deploy-sspp6jt6/kernel/bzImoy-sspp6jt6/kernel/cmdline 8290345/tftp-deploy-sspp6jt6/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: 8290345/tftp-deploy-sspp6jt6/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 #################################### done. The bootfile was 13922912 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: 8290345/tftp-deploy-sspp6jt6/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/8290345/extract-nfsrootfs-jjgtgu3i,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: 18014091 Starting kernel ... [ 0.000000] Linux version 5.10.158-cip21 (KernelCI@build-j667644-x86-64-gcc-10-x86-64-defconfig-x86-chromebooc6ntk) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 8 15:02:52 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8290345/extract-nfsrootfs-jjgtgu3i,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 [ 0.000055] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001314] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006786] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024448] check: Scanning 1 areas for low memory corruption [ 0.024461] Using GB pages for direct mapping [ 0.025146] RAMDISK: [mem 0x377c1000-0x37ffffff] [ 0.025153] ACPI: Early table checksum verification disabled [ 0.025162] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025175] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025192] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025209] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025222] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025234] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025246] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025259] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025272] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025284] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025297] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025310] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025322] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025335] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025347] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025352] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025357] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025362] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025367] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025372] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025377] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025382] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025386] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025391] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025396] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025401] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025541] No NUMA configuration found [ 0.025547] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025557] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025605] Zone ranges: [ 0.025610] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025618] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025626] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025633] Movable zone start for each node [ 0.025638] Early memory node ranges [ 0.025643] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025649] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025654] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025660] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025708] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025753] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036919] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036986] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037011] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.037369] ACPI: PM-Timer IO Port: 0x1808 [ 0.037424] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.037437] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.037443] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.037457] Using ACPI (MADT) for SMP configuration information [ 0.037463] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.037471] TSC deadline timer available [ 0.037476] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.037525] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.037531] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.037537] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.037541] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.037545] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.037550] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.037554] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.037558] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.037562] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.037566] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.037570] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.037575] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.037579] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.037583] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.037587] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.037596] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.037603] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.051243] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.051533] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.051612] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.051617] Policy zone: Normal [ 0.051630] 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/8290345/extract-nfsrootfs-jjgtgu3i,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.052136] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.052373] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.052462] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.073579] Memory: 3888340K/4089052K available (18450K kernel code, 3458K rwdata, 6952K rodata, 2016K init, 13324K bss, 200452K reserved, 0K cma-reserved) [ 0.073749] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.073813] Kernel/User page tables isolation: enabled [ 0.073899] ftrace: allocating 52738 entries in 207 pages [ 0.131833] ftrace: allocated 207 pages with 6 groups [ 0.132139] Running RCU self tests [ 0.132156] rcu: Hierarchical RCU implementation. [ 0.132160] rcu: RCU event tracing is enabled. [ 0.132165] rcu: RCU lockdep checking is enabled. [ 0.132170] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.132175] Rude variant of Tasks RCU enabled. [ 0.132179] Tracing variant of Tasks RCU enabled. [ 0.132184] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.132189] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.142529] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.143024] random: crng init done [ 0.143136] Console: colour dummy device 80x25 [ 0.218335] printk: console [ttyS0] enabled [ 0.218704] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.219364] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.219724] ... MAX_LOCK_DEPTH: 48 [ 0.220091] ... MAX_LOCKDEP_KEYS: 8192 [ 0.220474] ... CLASSHASH_SIZE: 4096 [ 0.220856] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.221245] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.221634] ... CHAINHASH_SIZE: 32768 [ 0.222024] memory used by lock dependency info: 6365 kB [ 0.222492] memory used for stack traces: 4224 kB [ 0.222910] per task-struct memory footprint: 1920 bytes [ 0.223434] ACPI: Core revision 20200925 [ 0.224021] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.224521] APIC: Switch to symmetric I/O mode setup [ 0.229025] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.229944] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.230847] pid_max: default: 32768 minimum: 301 [ 0.230926] LSM: Security Framework initializing [ 0.230926] SELinux: Initializing. [ 0.230926] LSM support for eBPF active [ 0.230926] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.230926] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.230926] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.230926] process: using mwait in idle threads [ 0.230926] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.230926] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.230926] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.230926] Spectre V2 : Mitigation: IBRS [ 0.230926] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.230926] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.230926] RETBleed: Mitigation: IBRS [ 0.230926] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.230926] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.230926] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.230926] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.230926] SRBDS: Vulnerable: No microcode [ 0.230926] ------------[ cut here ]------------ [ 0.230926] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.230926] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.230926] Modules linked in: [ 0.230926] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.158-cip21 #1 [ 0.230926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.230926] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.230926] 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 d8 e1 4e a6 c6 05 cc 46 e4 01 01 e8 55 86 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.230926] RSP: 0000:ffffffffa6803de0 EFLAGS: 00010282 [ 0.230926] RAX: 0000000000000000 RBX: ffffffffa72cf044 RCX: 0000000000000000 [ 0.230926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa4d7a891 [ 0.230926] RBP: ffffffffa61ce140 R08: 0000000000000001 R09: 0000000000000001 [ 0.230926] R10: ffffffffa688fcc0 R11: 3fffffffffffffff R12: ffffffffa72e61a8 [ 0.230926] R13: cccccccccccccccc R14: ffffffffa61ce145 R15: 0000000000000004 [ 0.230926] FS: 0000000000000000(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 0.230926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.230926] CR2: ffffa045fefff000 CR3: 0000000071226001 CR4: 00000000003706f0 [ 0.230926] Call Trace: [ 0.230926] alternative_instructions+0x7d/0x143 [ 0.230926] check_bugs+0xece/0xf2a [ 0.230926] start_kernel+0x517/0x54d [ 0.230926] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230926] irq event stamp: 162449 [ 0.230926] hardirqs last enabled at (162457): [] console_unlock+0x4d1/0x5f0 [ 0.230926] hardirqs last disabled at (162464): [] console_unlock+0x444/0x5f0 [ 0.230926] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.230926] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.230926] ---[ end trace 633e44de706942da ]--- [ 0.230926] Freeing SMP alternatives memory: 44K [ 0.230926] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.231770] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.231944] ... version: 4 [ 0.232324] ... bit width: 48 [ 0.232688] ... generic registers: 4 [ 0.232935] ... value mask: 0000ffffffffffff [ 0.233399] ... max period: 00007fffffffffff [ 0.233860] ... fixed-purpose events: 3 [ 0.233933] ... event mask: 000000070000000f [ 0.235024] rcu: Hierarchical SRCU implementation. [ 0.237714] smp: Bringing up secondary CPUs ... [ 0.238855] x86: Booting SMP configuration: [ 0.238962] .... node #0, CPUs: #1 [ 0.240043] 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. [ 0.240961] 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. [ 0.242771] #2 #3 [ 0.245532] smp: Brought up 1 node, 4 CPUs [ 0.246316] smpboot: Max logical packages: 1 [ 0.246698] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.249357] devtmpfs: initialized [ 0.250351] x86/mm: Memory block size: 128MB [ 0.255424] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.255949] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.257084] pinctrl core: initialized pinctrl subsystem [ 0.257936] PM: RTC time: 15:54:05, date: 2022-12-08 [ 0.259080] NET: Registered protocol family 16 [ 0.260435] audit: initializing netlink subsys (disabled) [ 0.260978] audit: type=2000 audit(1670514845.031:1): state=initialized audit_enabled=0 res=1 [ 0.261959] thermal_sys: Registered thermal governor 'step_wise' [ 0.261966] thermal_sys: Registered thermal governor 'user_space' [ 0.262589] cpuidle: using governor menu [ 0.263374] ACPI: bus type PCI registered [ 0.264393] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.264941] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.265569] PCI: Using configuration type 1 for base access [ 0.295882] Kprobes globally optimized [ 0.296094] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.296553] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.298116] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.301386] ACPI: Added _OSI(Module Device) [ 0.301955] ACPI: Added _OSI(Processor Device) [ 0.302351] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.302769] ACPI: Added _OSI(Processor Aggregator Device) [ 0.302938] ACPI: Added _OSI(Linux-Dell-Video) [ 0.303336] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.303804] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.319978] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.330650] ACPI: EC: EC started [ 0.330933] ACPI: EC: interrupt blocked [ 0.332250] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.332700] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.333936] ACPI: Interpreter enabled [ 0.334355] ACPI: (supports S0 S3 S4 S5) [ 0.334708] ACPI: Using IOAPIC for interrupt routing [ 0.335031] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.357657] ACPI: Power Resource [PRIC] (on) [ 0.490717] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.490959] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.492129] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.492813] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.494723] PCI host bridge to bus 0000:00 [ 0.494941] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.495532] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.495936] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.496580] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.497937] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.498583] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.498936] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.499582] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.499935] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.500581] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.501937] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.502582] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.502936] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.503582] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.503935] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.504582] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.504935] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.505581] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.506937] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.507583] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.507937] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.508519] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.510211] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.510762] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.511953] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.512587] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.513764] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.513964] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.515543] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.515967] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.517413] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.517979] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.518729] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.520917] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.520977] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.522436] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.522984] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.524606] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.524987] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.526648] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.527986] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.528599] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.529953] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.530522] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.532022] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.532767] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.533922] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.534986] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.536609] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.536984] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.538608] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.538977] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.540733] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.541980] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.543570] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.544926] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.545488] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.546914] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.546985] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.547635] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.549058] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.550544] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.551002] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.551659] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.552872] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.552971] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.555145] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.556539] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.561328] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.564310] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.564763] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.566617] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.568303] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.569279] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570277] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571273] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572273] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573270] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.574265] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582217] ACPI: EC: interrupt unblocked [ 0.582591] ACPI: EC: event unblocked [ 0.582933] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.583384] ACPI: EC: GPE=0x6e [ 0.583669] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.583938] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.585114] iommu: Default domain type: Translated [ 0.586149] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.586561] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.587958] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.588459] vgaarb: loaded [ 0.589346] SCSI subsystem initialized [ 0.590079] ACPI: bus type USB registered [ 0.590580] usbcore: registered new interface driver usbfs [ 0.591010] usbcore: registered new interface driver hub [ 0.591520] usbcore: registered new device driver usb [ 0.592084] pps_core: LinuxPPS API ver. 1 registered [ 0.592520] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.592946] PTP clock support registered [ 0.594226] Advanced Linux Sound Architecture Driver Initialized. [ 0.595670] NetLabel: Initializing [ 0.595935] NetLabel: domain hash size = 128 [ 0.596320] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.596895] NetLabel: unlabeled traffic allowed by default [ 0.598081] PCI: Using ACPI for IRQ routing [ 0.606374] clocksource: Switched to clocksource tsc-early [ 1.081241] VFS: Disk quotas dquot_6.6.0 [ 1.081649] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.082731] pnp: PnP ACPI init [ 1.084033] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.084615] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.085211] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.085789] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.086381] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.086976] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.087581] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.088203] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.088782] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.089375] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.091116] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.092138] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.092991] system 00:04: [io 0x0200] has been reserved [ 1.093463] system 00:04: [io 0x0204] has been reserved [ 1.093953] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.094473] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.097995] pnp: PnP ACPI: found 6 devices [ 1.116113] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.117035] NET: Registered protocol family 2 [ 1.117601] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.120130] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.121197] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.122171] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.125100] TCP: Hash tables configured (established 32768 bind 32768) [ 1.126043] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.127059] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.127998] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.129076] NET: Registered protocol family 1 [ 1.130346] RPC: Registered named UNIX socket transport module. [ 1.130924] RPC: Registered udp transport module. [ 1.131370] RPC: Registered tcp transport module. [ 1.131787] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.133042] NET: Registered protocol family 44 [ 1.133457] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.133910] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.134542] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.135094] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.135632] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.136309] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.136905] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.137515] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.138126] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.138729] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.139344] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.140003] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.140604] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.141245] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.141848] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.142487] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.143104] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.143706] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.144322] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.144925] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.145558] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.146174] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.146778] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.147910] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.151140] PCI: CLS 64 bytes, default 64 [ 1.151979] Unpacking initramfs... [ 1.497621] Freeing initrd memory: 8444K [ 1.498135] DMAR: Host address width 39 [ 1.498512] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.499071] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.499797] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.500458] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.500962] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.501753] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.502333] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.503255] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.503963] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.504465] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.504977] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.505449] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.505955] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.508542] kvm: already loaded the other module [ 1.513703] check: Scanning for low memory corruption every 60 seconds [ 1.518162] Initialise system trusted keyrings [ 1.518843] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.543788] NFS: Registering the id_resolver key type [ 1.544301] Key type id_resolver registered [ 1.544701] Key type id_legacy registered [ 1.565591] Key type asymmetric registered [ 1.566017] Asymmetric key parser 'x509' registered [ 1.566503] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.567180] io scheduler mq-deadline registered [ 1.567583] io scheduler kyber registered [ 1.568225] test_firmware: interface ready [ 1.570502] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.572572] ACPI: AC Adapter [AC] (on-line) [ 1.573429] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.575261] ACPI: Lid Switch [LID0] [ 1.575890] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.576849] ACPI: Power Button [PWRF] [ 1.577694] ACPI: \_PR_.CP00: Found 3 idle states [ 1.579157] ACPI: \_PR_.CP01: Found 3 idle states [ 1.580350] ACPI: \_PR_.CP02: Found 3 idle states [ 1.581482] ACPI: \_PR_.CP03: Found 3 idle states [ 1.583745] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.587831] hpet_acpi_add: no address or irqs in _CRS [ 1.588518] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.588609] Non-volatile memory driver v1.3 [ 1.589681] Linux agpgart interface v0.103 [ 1.593634] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.646412] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.648228] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.685352] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.690098] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.714503] loop: module loaded [ 1.715923] lkdtm: No crash points registered, enable through debugfs [ 1.749284] printk: console [ttyS0] disabled [ 1.750557] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.566196] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.572963] printk: console [ttyS0] enabled [ 2.580252] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.604376] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.166614] clocksource: Switched to clocksource tsc [ 5.166689] fbcon: i915drmfb (fb0) is primary device [ 5.169610] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.180246] e100: Intel(R) PRO/100 Network Driver [ 5.180251] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.180366] e1000: Intel(R) PRO/1000 Network Driver [ 5.180386] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.180640] e1000e: Intel(R) PRO/1000 Network Driver [ 5.180644] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.180847] sky2: driver version 1.30 [ 5.180941] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.181583] usbcore: registered new interface driver r8152 [ 5.182538] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.182567] ehci-pci: EHCI PCI platform driver [ 5.182724] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.182772] ohci-pci: OHCI PCI platform driver [ 5.182899] uhci_hcd: USB Universal Host Controller Interface driver [ 5.185350] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.186986] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.188644] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.188792] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.192899] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.192961] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.192968] usb usb1: Product: xHCI Host Controller [ 5.192973] usb usb1: Manufacturer: Linux 5.10.158-cip21 xhci-hcd [ 5.192977] usb usb1: SerialNumber: 0000:00:14.0 [ 5.195908] hub 1-0:1.0: USB hub found [ 5.196137] hub 1-0:1.0: 12 ports detected [ 5.203325] Console: switching to colour frame buffer device 240x67 [ 5.204019] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.204735] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.204755] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.205514] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.205525] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.205532] usb usb2: Product: xHCI Host Controller [ 5.205539] usb usb2: Manufacturer: Linux 5.10.158-cip21 xhci-hcd [ 5.205545] usb usb2: SerialNumber: 0000:00:14.0 [ 5.206866] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.208019] hub 2-0:1.0: USB hub found [ 5.208262] hub 2-0:1.0: 6 ports detected [ 5.212969] usbcore: registered new interface driver usblp [ 5.213117] usbcore: registered new interface driver usb-storage [ 5.214013] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.214279] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.214283] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.215217] i8042: Warning: Keylock active [ 5.215568] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.219197] rtc_cmos 00:02: RTC can wake from S4 [ 5.222469] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.222780] rtc_cmos 00:02: registered as rtc0 [ 5.223197] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.224689] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.229876] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.235583] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.347713] 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 [ 5.354030] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.443067] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.451642] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.619299] intel_pstate: Intel P-state driver initializing [ 5.626733] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.626766] intel_pstate: HWP enabled [ 5.635921] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.640057] sdhci: Secure Digital Host Controller Interface driver [ 5.654917] sdhci: Copyright(c) Pierre Ossman [ 5.659826] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.669417] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.677308] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.686784] hid: raw HID events driver (C) Jiri Kosina [ 5.692971] usbcore: registered new interface driver usbhid [ 5.699207] usbhid: USB HID core driver [ 5.704022] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.722195] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.729635] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.739800] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.741778] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.754221] gre: GRE over IPv4 demultiplexor driver [ 5.759704] ip_gre: GRE over IPv4 tunneling driver [ 5.760191] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.766196] IPv4 over IPsec tunneling driver [ 5.774250] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.774271] usb 2-3: Product: USB 10/100/1000 LAN [ 5.782428] Initializing XFRM netlink socket [ 5.787077] usb 2-3: Manufacturer: Realtek [ 5.793046] NET: Registered protocol family 10 [ 5.797109] usb 2-3: SerialNumber: 001000001 [ 5.802678] Segment Routing with IPv6 [ 5.816262] ip6_gre: GRE over IPv6 tunneling driver [ 5.822098] NET: Registered protocol family 17 [ 5.827266] Key type dns_resolver registered [ 5.832828] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.839079] microcode: Microcode Update Driver: v2.2. [ 5.839086] IPI shorthand broadcast: enabled [ 5.843566] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.844794] sched_clock: Marking stable (5757804996, 86943801)->(5938093214, -93344417) [ 5.868607] registered taskstats version 1 [ 5.872986] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.873241] Loading compiled-in X.509 certificates [ 5.887196] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.888482] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.904277] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.913900] PM: Magic number: 2:121:942 [ 5.918583] printk: console [netcon0] enabled [ 5.923463] netconsole: network logging started [ 6.010725] mmc0: new HS400 MMC card at address 0001 [ 6.018067] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.023458] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.030343] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.037454] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.039484] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.054187] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.054812] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.066469] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.069145] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.069148] usb 1-9: Manufacturer: Azurewave [ 6.087498] usb 1-9: SerialNumber: 0x0001 [ 6.096577] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.145253] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.196257] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.237183] r8152 2-3:1.0 eth0: v1.11.11 [ 6.242397] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.242869] IP-Config: Failed to open gretap0 [ 6.255713] IP-Config: Failed to open erspan0 [ 6.278125] Sending DHCP requests . [ 7.962209] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.973473] r8152 2-3:1.0 eth0: carrier on [ 8.652093] ., OK [ 8.660366] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 8.669358] IP-Config: Complete: [ 8.673004] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 8.684691] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.693955] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.693960] nameserver0=192.168.201.1 [ 8.706812] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.718344] modprobe (100) used greatest stack depth: 14120 bytes left [ 8.721501] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.733103] ALSA device list: [ 8.736654] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.737960] No soundcards found. [ 8.746353] cfg80211: failed to load regulatory.db [ 8.755928] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.765854] Freeing unused kernel image (initmem) memory: 2016K [ 8.780191] Write protecting the kernel read-only data: 28672k [ 8.787844] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.795715] Freeing unused kernel image (rodata/data gap) memory: 1240K [ 8.803217] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.824985] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 8.880707] udevadm (124) used greatest stack depth: 13576 bytes left [ 9.034371] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.043967] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.077092] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.128210] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.143244] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.159105] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.169819] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.179830] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: 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 : [ 9.320931] nfsmount (162) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.489896] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.529226] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.559799] systemd[1]: Set hostname to . [ 11.015615] systemd[1]: Queued start job for default target Graphical Interface. [ 11.027122] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.044515] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.061617] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.078661] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.094439] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.113476] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.135102] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.155353] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.171342] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.182199] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.198283] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.209203] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.220511] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.238242] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.255231] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.271745] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.287052] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.305260] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.321645] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.339148] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.355695] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.374737] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.389806] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.411209] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.432938] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.450721] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.464977] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.504430] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.514877] fuse: init (API version 7.32) [ 11.521008] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.537323] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.550607] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.570135] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.587014] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.603280] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.620375] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.636376] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.653877] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.677022] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.684623] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.701045] systemd[1]: modprobe@drm.service: Succeeded. [ 11.707816] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.724052] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.730889] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 11.747090] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 11.761081] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 11.777356] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... [ 11.849699] systemd-journald[196]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.359530] systemd-tmpfile (208) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ 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 Load/Save Screen … of backlight:intel_backlight. [ 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 Service. Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.158-cip21 #1 SMP Thu Dec 8 15:02:52 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8290345/extract-nfsrootfs-jjgtgu3i' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8290345/extract-nfsrootfs-jjgtgu3i' / # 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-8290345/environment . /lava-8290345/environment / # /lava-8290345/bin/lava-test-runner /lava-8290345/0 /lava-8290345/bin/lava-test-runner /lava-8290345/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8290345/0/tests/0_timesync-off ++ cat uuid + UUID=8290345_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8290345/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8290345_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8290345/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-12-08 15:54:40-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.155-cip21-405-g26d566555c3de/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: 3544448 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 163KB/s kselftest.tar.xz 6%[> ] 217.50K 380KB/s kselftest.tar.xz 25%[====> ] 894.83K 1.02MB/s kselftest.tar.xz 37%[======> ] 1.26M 1.15MB/s kselftest.tar.xz 71%[=============> ] 2.43M 1.69MB/s kselftest.tar.xz 76%[==============> ] 2.60M 1.59MB/s kselftest.tar.xz 90%[=================> ] 3.04M 1.58MB/s kselftest.tar.xz 100%[===================>] 3.38M 1.71MB/s in 2.0s 2022-12-08 15:54:43 (1.71 MB/s) - 'kselftest.tar.xz' saved [3544448/3544448] 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:U[ 48.126769] kselftest: Running tests in lkdtm SERCOPY_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 =============== TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 48.294679] lkdtm: Performing direct entry BUG [ 48.299732] ------------[ cut here ]------------ [ 48.304920] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.310855] invalid opcode: 0000 [#1] SMP PTI [ 48.315726] CPU: 0 PID: 734 Comm: cat Tainted: G W 5.10.158-cip21 #1 [ 48.324280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.331088] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.335471] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 48.356455] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 48.362290] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.370260] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 48.378231] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 48.386202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.394163] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 48.402134] FS: 00007f7fcbebd580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 48.411164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.417581] CR2: 00007f7fcbcc6000 CR3: 00000001031e2003 CR4: 00000000003706f0 [ 48.425551] Call Trace: [ 48.428273] direct_entry.cold+0x2c/0x38 [ 48.432649] full_proxy_write+0x53/0x80 [ 48.436937] vfs_write+0xe7/0x3a0 [ 48.440643] ksys_write+0x68/0xf0 [ 48.444342] do_syscall_64+0x30/0x40 [ 48.448337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.453978] RIP: 0033:0x7f7fcbdd38f3 [ 48.457967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.478943] RSP: 002b:00007ffd79aec8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.487398] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7fcbdd38f3 [ 48.495368] RDX: 0000000000000004 RSI: 00007f7fcbcc6000 RDI: 0000000000000001 [ 48.503338] RBP: 00007f7fcbcc6000 R08: 00007f7fcbcc5010 R09: 0000000000000000 [ 48.511309] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.519271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.527238] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.553760] ---[ end trace 633e44de706942dc ]--- [ 48.558974] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.563432] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 48.584479] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 48.590366] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.598396] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 48.606395] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 48.614378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.622379] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 48.630359] FS: 00007f7fcbebd580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 48.639428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.645879] CR2: 00007f7fcbcc6000 CR3: 00000001031e2003 CR4: 00000000003706f0 # Segmentation fault # [ 48.294679] lkdtm: Performing direct entry BUG # [ 48.299732] ------------[ cut here ]------------ # [ 48.304920] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.310855] invalid opcode: 0000 [#1] SMP PTI # [ 48.315726] CPU: 0 PID: 734 Comm: cat Tainted: G W 5.10.158-cip21 #1 # [ 48.324280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.331088] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.335471] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 48.356455] RSP: 0018:ffffaf1b8146fe60 EFLAGS: [ 48.732144] lkdtm: Performing direct entry WARNING [ 48.741722] ------------[ cut here ]------------ 00010282 # [ 48.362290] RAX: ffffffffa54e0010 RBX: 0000000000[ 48.746889] WARNING: CPU: 2 PID: 770 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 000001 RCX: 0000000000000000 # [ 48.370260] RDX: 000000000000[ 48.762525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.795196] CPU: 2 PID: 770 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 48.803783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.810592] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 48.815483] 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 00 86 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 e1 85 [ 48.836471] RSP: 0018:ffffaf1b814ffe60 EFLAGS: 00010202 [ 48.842336] RAX: ffffffffa54e0020 RBX: 0000000000000002 RCX: 0000000000000000 [ 48.850333] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa61cdcc0 [ 48.858307] RBP: ffffffffa65b004f R08: 0000000000000000 R09: 0000000000000000 [ 48.866278] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.874251] R13: ffffaf1b814fff10 R14: ffffaf1b814fff10 R15: ffffa04584063000 [ 48.882226] FS: 00007f1b7e33d580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 48.891267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.897684] CR2: 00007f1b7e146000 CR3: 0000000103424002 CR4: 00000000003706e0 0000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 48.37823[ 48.905661] Call Trace: 1] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 000000000000[ 48.914606] direct_entry.cold+0x2c/0x38 0001 # [ 48.386202] R10: 00000000ffffe000 R11: 3fffffffffffff[ 48.925205] full_proxy_write+0x53/0x80 ff R12: 0000000000000004 # [ 48.394163] R13: ffffaf1b8146ff10[ 48.935701] vfs_write+0xe7/0x3a0 [ 48.945619] ksys_write+0x68/0xf0 [ 48.949321] do_syscall_64+0x30/0x40 [ 48.953337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.958979] RIP: 0033:0x7f1b7e2538f3 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 48.402134] F[ 48.962970] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.990183] RSP: 002b:00007ffe81a976e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 S: 00007f7fcbebd580(0000) GS:ffffa045fac00000(0000) knlGS:00000[ 48.998670] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1b7e2538f3 [ 49.012847] RDX: 0000000000000008 RSI: 00007f1b7e146000 RDI: 0000000000000001 [ 49.020819] RBP: 00007f1b7e146000 R08: 00007f1b7e145010 R09: 0000000000000000 [ 49.028791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.036764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.044740] irq event stamp: 0 00000000000 # [ 48.411164] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 49.048173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.061388] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.070525] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.079662] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.086662] ---[ end trace 633e44de706942dd ]--- 000000080050033 # [ 48.417581] CR2: 00007f7fcbcc6000 CR3: 00000001031e2003 CR4: 00000000003706f0 # [ 48.425551] Call Trace: # [ 48.428273] direct_entry.cold+0x2c/0x38 # [ 48.432649] full_proxy_write+0x53/0x80 # [ 48.436937] vfs_write+0xe7/0x3a0 # [ 48.440643] ksys_write+0x68/0xf0 # [ 48.444342] do_syscall_64+0x30/0x40 # [ 48.448337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.453978] RIP: 0033:0x7f7fcbdd38f3 # [ 48.457967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.478943] RSP: 002b:00007ffd79aec8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.48[ 49.166256] lkdtm: Performing direct entry WARNING_MESSAGE [ 49.172558] ------------[ cut here ]------------ [ 49.177715] Warning message trigger count: 2 7398] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7fc[ 49.182516] WARNING: CPU: 2 PID: 805 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 bdd38f3 # [ 48.495368] RDX: 0000000000000004 RSI: 00007f7fcbc[ 49.198956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.231616] CPU: 2 PID: 805 Comm: cat Tainted: G D W 5.10.158-cip21 #1 c6000 RDI: 0000000000000001 # [ 48.503338] RBP: 00007f7fcbcc6[ 49.240203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000 R08: 00007f7fcbcc5010 R09: 0000000000000000 # [ 48.511309[ 49.253228] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.265087] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 85 92 02 48 c7 c7 b0 05 5b a6 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 49.286105] RSP: 0018:ffffaf1b8155fe60 EFLAGS: 00010286 [ 49.291970] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 49.299950] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 [ 49.314156] RBP: ffffffffa65b0057 R08: 0000000000000000 R09: 0000000000000000 001 # [ 48.519271] R13: 0000000000000001 R14: 000000000002000[ 49.322141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.336314] R13: ffffaf1b8155ff10 R14: ffffaf1b8155ff10 R15: ffffa045826f1000 [ 49.344286] FS: 00007fc2dae53580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 49.353329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.359747] CR2: 00007fc2dac5c000 CR3: 0000000106588004 CR4: 00000000003706e0 [ 49.367722] Call Trace: [ 49.370456] direct_entry.cold+0x2c/0x38 0 R15: 0000000000020000 # [ 48.527238] Modules linked in: fus[ 49.374866] full_proxy_write+0x53/0x80 [ 49.385357] vfs_write+0xe7/0x3a0 [ 49.389089] ksys_write+0x68/0xf0 [ 49.392822] do_syscall_64+0x30/0x40 [ 49.396837] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.402504] RIP: 0033:0x7fc2dad698f3 [ 49.406497] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.427485] RSP: 002b:00007ffc083b79d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tr[ 49.435966] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc2dad698f3 [ 49.450155] RDX: 0000000000000010 RSI: 00007fc2dac5c000 RDI: 0000000000000001 [ 49.458128] RBP: 00007fc2dac5c000 R08: 00007fc2dac5b010 R09: 0000000000000000 [ 49.466100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.474075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.482053] irq event stamp: 0 [ 49.485493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.492495] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.501659] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.510797] softirqs last disabled at (0): [<0000000000000000>] 0x0 iggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_ligh[ 49.517800] ---[ end trace 633e44de706942de ]--- tbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.553760] ---[ end trace 633e44de706942dc ]--- # [ 48.558974] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.563432] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 48.584479] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 48.590366] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.598396] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 48.606395] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 48.614378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 4[ 49.604596] lkdtm: Performing direct entry EXCEPTION 8.622379] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa[ 49.615559] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.629504] #PF: supervisor write access in kernel mode [ 49.635337] #PF: error_code(0x0002) - not-present page [ 49.641071] PGD 0 P4D 0 [ 49.643896] Oops: 0002 [#2] SMP PTI [ 49.647786] CPU: 0 PID: 837 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 49.656336] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.663143] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.668106] Code: 48 c7 c7 b0 05 5b a6 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 49.689088] RSP: 0018:ffffaf1b815efe60 EFLAGS: 00010282 [ 49.694922] RAX: ffffffffa54e0070 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.702892] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdce0 [ 49.710860] RBP: ffffffffa64e5367 R08: 0000000000000000 R09: 0000000000000000 [ 49.718830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.726798] R13: ffffaf1b815eff10 R14: ffffaf1b815eff10 R15: ffffa0458300a000 [ 49.734767] FS: 00007f42a82ab580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 49.743804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.750219] CR2: 0000000000000000 CR3: 0000000104f64005 CR4: 00000000003706f0 [ 49.758187] Call Trace: [ 49.760916] direct_entry.cold+0x2c/0x38 [ 49.765299] full_proxy_write+0x53/0x80 [ 49.769585] vfs_write+0xe7/0x3a0 [ 49.773287] ksys_write+0x68/0xf0 [ 49.776998] do_syscall_64+0x30/0x40 [ 49.781013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.786653] RIP: 0033:0x7f42a81c18f3 [ 49.790640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.811621] RSP: 002b:00007ffdb4604748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.820074] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f42a81c18f3 [ 49.828042] RDX: 000000000000000a RSI: 00007f42a80b4000 RDI: 0000000000000001 [ 49.836018] RBP: 00007f42a80b4000 R08: 00007f42a80b3010 R09: 0000000000000000 [ 49.844002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.851975] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.859967] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.886431] CR2: 0000000000000000 [ 49.890120] ---[ end trace 633e44de706942df ]--- [ 49.895274] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.899651] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 49.920623] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 49.926455] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.934421] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 49.942389] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 49.950356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.958326] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 49.966295] FS: 00007f42a82ab580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 49.975333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.981746] CR2: 0000000000000000 CR3: 0000000104f64005 CR4: 00000000003706f0 [ 49.989716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.999620] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 837, name: cat [ 50.007980] INFO: lockdep is turned off. [ 50.012349] irq event stamp: 0 [ 50.015754] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.022755] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.031892] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.041019] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.048018] CPU: 0 PID: 837 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 50.056570] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.063375] Call Trace: [ 50.066103] dump_stack+0x77/0x9b [ 50.069808] ___might_sleep.cold+0xa6/0xb6 [ 50.074387] exit_signals+0x1c/0x2e0 [ 50.078375] do_exit+0xd5/0xb00 [ 50.081880] ? ksys_write+0x68/0xf0 [ 50.085773] rewind_stack_do_exit+0x17/0x20 [ 50.090446] RIP: 0033:0x7f42a81c18f3 [ 50.094436] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.115422] RSP: 002b:00007ffdb4604748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.123878] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f42a81c18f3 [ 50.131848] RDX: 000000000000000a RSI: 00007f42a80b4000 RDI: 0000000000000001 [ 50.139816] RBP: 00007f42a80b4000 R08: 00007f42a80b3010 R09: 0000000000000000 [ 50.147787] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.155756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 045830ca000 # [ 48.630359] FS: 00007f7fcbebd580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 48.639428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.645879] CR2: 00007f7fcbcc6000 CR3: 00000001031e2003 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.732144] lkdtm: Performing direct entry WARNING # [ 48.741722] ------------[ cut here ]------------ # [ 48.746889] WARNING: CPU: 2 PID: 770 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.762525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.795196] CPU: 2 PID: 770 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 48.803783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.810592] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 48.815483] 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 00 86 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 e1 85 # [ 48.836471] RSP: 0018:ffffaf1b814ffe60 EFLAGS: 00010202 # [ 48.842336] RAX: ffffffffa54e0020 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.850333] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa61cdcc0 # [ 48.858307] RBP: ffffffffa65b004f R08: 0000000000000000 R09: 0000000000000000 # [ 48.866278] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.874251] R13: ffffaf1b814fff10 R14: ffffaf1b814fff10 R15: ffffa04584063000 # [ 48.882226] FS: 00007f1b7e33d580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 48.891267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.897684] CR2: 00007f1b7e146000 CR3: 0000000103424002 CR4: 00000000003706e0 # [ 48.905661] Call Trace: # [ 48.914606] direct_entry.cold+0x2c/0x38 # [ 48.925205] full_proxy_write[ 50.364909] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.375060] lkdtm: attempting good list addition +0x53/0x80 # [ 48.935701] vfs_write+0xe7/0x3a0 # [ 48.945[ 50.380247] lkdtm: attempting corrupted list addition [ 50.392097] lkdtm: list_add() corruption not detected! 619] ksys_write+0x68/0xf0 # [ 48.949321] do_syscall_64+0x30/0x40 # [ 48.953337] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.958979] RIP: 0033:0x7f1b7e2538f3 # [ 48.962970] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.990183] RSP: 002b:00007ffe81a976e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.998670] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1b7e2538f3 # [ 49.012847] RDX: 0000000000000008 RSI: 00007f1b7e146000 RDI: 0000000000000001 # [ 49.020819] RBP: 00007f1b7e146000 R08: 00007f1b7e1[ 50.466033] lkdtm: Performing direct entry CORRUPT_LIST_DEL 45010 R09: 0000000000000000 # [ 49.028791] R10: fffffffffffff[ 50.472478] lkdtm: attempting good list removal bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.036764[ 50.483761] lkdtm: attempting corrupted list removal ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 50.495514] lkdtm: list_del() corruption not detected! 000 # [ 49.044740] irq event stamp: 0 # [ 49.048173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.061388] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.070525] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.079662] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.086662] ---[ end trace 633e44de706942dd ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.166256] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.172558] ------------[ cut here ]------------ # [ 49.177715] Warning message trigger count: 2 # [ 49.182516] WARNING: CPU: 2 PID: 805 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.198956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.231616] CPU: 2 PID: 805 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 49.240203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.253228] RIP: 0[ 50.629771] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 50.638741] lkdtm: attempting bad read from page below current stack [ 50.645844] BUG: stack guard page was hit at 00000000aeeafbe2 (stack is 0000000052b620e2..00000000dc596303) [ 50.656759] kernel stack overflow (page fault): 0000 [#3] SMP PTI 010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.265087] Code: cc c[ 50.663564] CPU: 2 PID: 1062 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 50.678425] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.685228] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.691741] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 09 5b a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 90 09 5b a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 [ 50.712713] RSP: 0018:ffffaf1b8190fe50 EFLAGS: 00010246 [ 50.718545] RAX: 0000000000000038 RBX: ffffaf1b8190c000 RCX: 0000000000000000 [ 50.726513] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa65b0990 [ 50.734483] RBP: ffffffffa65b00ba R08: 0000000000000000 R09: 0000000000000000 [ 50.742450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.750419] R13: ffffaf1b8190ff10 R14: ffffaf1b8190ff10 R15: ffffa04584e80000 [ 50.758389] FS: 00007fa087831580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 50.767426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.773842] CR2: ffffaf1b8190bfff CR3: 000000010571e003 CR4: 00000000003706e0 [ 50.781810] Call Trace: [ 50.784538] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.789595] direct_entry.cold+0x2c/0x38 [ 50.793973] full_proxy_write+0x53/0x80 [ 50.798254] vfs_write+0xe7/0x3a0 [ 50.801965] ksys_write+0x68/0xf0 [ 50.805663] do_syscall_64+0x30/0x40 [ 50.809653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.815291] RIP: 0033:0x7fa0877478f3 [ 50.819280] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.840254] RSP: 002b:00007ffedf9a0e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.848709] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa0877478f3 [ 50.856676] RDX: 0000000000000019 RSI: 00007fa08763a000 RDI: 0000000000000001 [ 50.864643] RBP: 00007fa08763a000 R08: 00007fa087639010 R09: 0000000000000000 [ 50.872611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.880576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.888549] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 85 92 02 48 c7[ 50.915006] ---[ end trace 633e44de706942e0 ]--- [ 50.926372] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.930749] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 50.951720] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 50.957544] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.965511] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 50.973479] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 50.981447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.989413] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 50.997383] FS: 00007fa087831580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 51.006417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.012831] CR2: ffffaf1b8190bfff CR3: 000000010571e003 CR4: 00000000003706e0 [ 51.020799] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.030709] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1062, name: cat [ 51.039163] INFO: lockdep is turned off. [ 51.043536] irq event stamp: 0 [ 51.046959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.053964] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.063096] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.072230] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.079227] CPU: 2 PID: 1062 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 51.087869] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.094671] Call Trace: [ 51.097397] dump_stack+0x77/0x9b [ 51.101095] ___might_sleep.cold+0xa6/0xb6 [ 51.105667] exit_signals+0x1c/0x2e0 [ 51.109653] do_exit+0xd5/0xb00 [ 51.113155] ? ksys_write+0x68/0xf0 [ 51.117048] rewind_stack_do_exit+0x17/0x20 [ 51.121715] RIP: 0033:0x7fa0877478f3 [ 51.125701] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.146681] RSP: 002b:00007ffedf9a0e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.155136] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa0877478f3 [ 51.163105] RDX: 0000000000000019 RSI: 00007fa08763a000 RDI: 0000000000000001 [ 51.171072] RBP: 00007fa08763a000 R08: 00007fa087639010 R09: 0000000000000000 [ 51.179039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.187017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 b0 05 5b a6 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.286105] RSP: 0018:ffffaf1b8155fe60 EFLAGS: 00010286 # [ 49.291970] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.299950] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 49.314156] RBP: ffffffffa65b0057 R08: 0000000000000000 R09: 0000000000000000 # [ 49.322141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.336314] R13: ffffaf1b8155ff10 R14: ffffaf1b8155ff10 R15: ffffa045826f1000 # [ 49.344286] FS: 00007fc2dae53580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 49.353329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.359747] CR2: 00007fc2dac5c000 CR3: 0000000106588004 CR4: 00000000003706e0 # [ 49.367722] Call Trace: # [ 49.3[ 51.277749] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.289151] lkdtm: attempting bad read from page above current stack [ 51.296284] BUG: stack guard page was hit at 00000000294310c3 (stack is 00000000c2c72c35..00000000ac949ba0) 70456] direct_entry.cold+0x2c/0x38 # [ 49.374866] full_prox[ 51.307192] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.320208] CPU: 2 PID: 1095 Comm: cat Tainted: G D W 5.10.158-cip21 #1 y_write+0x53/0x80 # [ 49.385357] vfs_write+0xe7/0x3a0 # [ [ 51.328858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 49.389089] ksys_write+0x68/0xf0 # [ 49.392822] do_syscall_[ 51.341879] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.354704] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 09 5b a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 08 0a 5b a6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff [ 51.375684] RSP: 0018:ffffaf1b8196fe50 EFLAGS: 00010246 [ 51.381517] RAX: 0000000000000038 RBX: ffffaf1b8196c000 RCX: 0000000000000000 [ 51.389485] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa65b0a08 [ 51.397453] RBP: ffffffffa65b00d3 R08: 0000000000000000 R09: 0000000000000000 [ 51.405421] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.413387] R13: ffffaf1b8196ff10 R14: ffffaf1b8196ff10 R15: ffffa0458550d000 [ 51.421355] FS: 00007fa14a975580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 51.430391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.436804] CR2: ffffaf1b81970000 CR3: 00000001028fa003 CR4: 00000000003706e0 [ 51.444773] Call Trace: [ 51.447503] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.453336] direct_entry.cold+0x2c/0x38 [ 51.457714] full_proxy_write+0x53/0x80 [ 51.461995] vfs_write+0xe7/0x3a0 [ 51.465691] ksys_write+0x68/0xf0 [ 51.469390] do_syscall_64+0x30/0x40 [ 51.473378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.479014] RIP: 0033:0x7fa14a88b8f3 [ 51.483019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.503998] RSP: 002b:00007ffd1c5afef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 64+0x30/0x40 # [ 49.396837] entry_SYSCALL_64_after_hwframe+0[ 51.512455] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa14a88b8f3 [ 51.526637] RDX: 000000000000001a RSI: 00007fa14a77e000 RDI: 0000000000000001 [ 51.534605] RBP: 00007fa14a77e000 R08: 00007fa14a77d010 R09: 0000000000000000 [ 51.542574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.550542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.558513] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify x61/0xc6 # [ 49.402504] RIP: 0033:0x7fc2dad698f3 # [ 49.40[ 51.584968] ---[ end trace 633e44de706942e1 ]--- [ 51.596336] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.600713] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 51.621684] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 51.627517] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.635484] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 51.643452] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 51.651419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.659388] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 51.667355] FS: 00007fa14a975580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 51.676391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.682806] CR2: ffffaf1b81970000 CR3: 00000001028fa003 CR4: 00000000003706e0 6497] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.427485] RSP: 002b:00007ffc083b79d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.435966] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc2dad698f3 # [ 49.450155] RDX: 0000000000000010 RSI: 00007fc2dac5c000 RDI: 0000000000000001 # [ 49.458128] RBP: 00007fc2dac5c000 R08: 00007fc2dac5b010 R09: 0000000000000000 # [ 49.466100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.474075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.482053] irq event stamp: 0 # [ 49.485493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.492495] hardirqs last disabled at (0): [] [ 51.772299] lkdtm: Performing direct entry UNSET_SMEP copy_process+0x640/0x1c80 # [ 49.501659] softirqs last enabl[ 51.783463] lkdtm: trying to clear SMEP normally ed at (0): [] copy_process+0x640/0x1c80 # [ [ 51.794838] ------------[ cut here ]------------ 49.510797] softirqs last disabled at (0): [<0000000000000000>] [ 51.806211] pinned CR4 bits changed: 0x100000!? 0x0 # [ 49.517800] ---[ end trace 633e44de706942de ]--- # WA[ 51.817485] WARNING: CPU: 1 PID: 1131 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 RNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm:[ 51.833898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed [ 51.866534] CPU: 1 PID: 1131 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 49.604596] lkdtm: Performing direct entry EXCEPTION # [ [ 51.881400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 49.615559] BUG: kernel NULL pointer dereference, address: 0000[ 51.894420] RIP: 0010:native_write_cr4+0x45/0x60 000000000000 # [ 49.629504] #PF: supervisor write access in k[ 51.905791] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 8d e3 01 00 75 f2 48 c7 c7 88 f3 4e a6 c6 05 f4 8c e3 01 01 e8 65 cc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 ernel mode # [ 49.635337] #PF: error_code(0x0002) - not-prese[ 51.933011] RSP: 0018:ffffaf1b819e7e48 EFLAGS: 00010286 nt page # [ 49.641071] PGD 0 P4D 0 # [ 49.643896] Oops: 0[ 51.945060] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 002 [#2] SMP PTI # [ 49.647786] CPU: 0 PID: 837 Comm: cat Tai[ 51.959248] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 nted: G D W 5.10.158-cip21 #1 # [ 49.656336] Har[ 51.973432] RBP: ffffffffa65b00ed R08: 0000000000000000 R09: 0000000000000000 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.663[ 51.987620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 143] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.668106] Code: [ 52.001808] R13: ffffaf1b819e7f10 R14: ffffaf1b819e7f10 R15: ffffa04584065000 48 c7 c7 b0 05 5b a6 8d 70 01 89 35 d1 85 92 02 e8 9a 17 63 00 0[ 52.016035] FS: 00007f4b7070c580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 f 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 8[ 52.051875] Call Trace: 4 # [ 49.689088] RSP: 0018:ffffaf1b815efe60 EFLAGS: 00010282 [ 52.060815] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 49.694922] RAX: ffffffffa54e0070 RBX: 0000000000000004 RC[ 52.071893] direct_entry.cold+0x2c/0x38 X: 0000000000000000 # [ 49.702892] RDX: 0000000000000000 RSI:[ 52.082489] full_proxy_write+0x53/0x80 ffffa045fac1bf70 RDI: ffffffffa61cdce0 # [ 49.710860] RBP: f[ 52.093001] vfs_write+0xe7/0x3a0 fffffffa64e5367 R08: 0000000000000000 R09: 0000000000000000 # [[ 52.102921] ksys_write+0x68/0xf0 49.718830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 52.112837] do_syscall_64+0x30/0x40 00000000000000a # [ 49.726798] R13: ffffaf1b815eff10 R14: fff[ 52.123041] entry_SYSCALL_64_after_hwframe+0x61/0xc6 faf1b815eff10 R15: ffffa0458300a000 # [ 49.734767] FS: 00007[ 52.134898] RIP: 0033:0x7f4b706228f3 f42a82ab580(0000) GS:ffffa045fac00000(0000) knlGS:00000000000000[ 52.145104] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 # [ 49.743804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 52.172299] RSP: 002b:00007ffce440e408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 050033 # [ 49.750219] CR2: 0000000000000000 CR3: 0000000104f6[ 52.186971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4b706228f3 [ 52.201157] RDX: 000000000000000b RSI: 00007f4b70515000 RDI: 0000000000000001 4005 CR4: 00000000003706f0 # [ 49.758187] Call Trace: # [ [ 52.209131] RBP: 00007f4b70515000 R08: 00007f4b70514010 R09: 0000000000000000 [ 52.223312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 49.760916] direct_entry.cold+0x2c/0x38 # [ 49.765299] full_[ 52.231288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 proxy_write+0x53/0x80 # [ 49.769585] vfs_write+0xe7/0x3a0 #[ 52.245492] irq event stamp: 0 [ 49.773287] ksys_write+0x68/0xf0 # [ 49.776998] do_sysc[ 52.255093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 all_64+0x30/0x40 # [ 49.781013] entry_SYSCALL_64_after_hwfra[ 52.268310] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.283661] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 me+0x61/0xc6 # [ 49.786653] RIP: 0033:0x7f42a81c18f3 # [ 4[ 52.292800] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.306018] ---[ end trace 633e44de706942e2 ]--- 9.790640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 52.311176] lkdtm: ok: SMEP did not get cleared [ 52.322444] lkdtm: trying to clear SMEP with call gadget ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 52.328380] lkdtm: ok: SMEP removal was reverted 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.811621] RSP: 002b:00007ffdb4604748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.820074] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f42a81c18f3 # [ 49.828042] RDX: 000000000000000a RSI: 00007f42a80b4000 RDI: 0000000000000001 # [ 49.836018] RBP: 00007f42a80b4000 R08: 00007f42a80b3010 R09: 0000000000000000 # [ 49.844002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.851975] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.859967] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_therm[ 52.415794] lkdtm: Performing direct entry DOUBLE_FAULT al cros_ec_dev cros_usbpd_notify # [ 49.886431] CR2: 00000000[ 52.426417] lkdtm: XFAIL: this test is ia32-only 00000000 # [ 49.890120] ---[ end trace 633e44de706942df ]--- # [ 49.895274] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.899651] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 49.920623] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 49.926455] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.934421] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 49.942389] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 49.950356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.958326] R13: ffffaf1b8146ff10 R[ 52.510281] lkdtm: Performing direct entry CORRUPT_PAC [ 52.518065] lkdtm: XFAIL: this test is arm64-only 14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 49.966295] FS: 00007f42a82ab580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 49.975333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.981746] CR2: 0000000000000000 CR3: 0000000104f64005 CR4: 00000000003706f0 # [ 49.989716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.999620] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 837, name: cat # [ 50.007980] INFO: lockdep is turned off. # [ 50.012349] irq event stamp: 0 # [ 50.015754] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.022755] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.031892] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.041019] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.048018] CPU: 0 PID: 837 Comm: cat Tainted: G[ 52.611625] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE D W 5.10.158-cip21 #1 # [ 50.056570] Hardware n[ 52.623781] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.063375] Call Trace: # [ 50.066103] dump_stack+0x77/0x9b # [ 50.069808] ___might_sleep.cold+0xa6/0xb6 # [ 50.074387] exit_signals+0x1c/0x2e0 # [ 50.078375] do_exit+0xd5/0xb00 # [ 50.081880] ? ksys_write+0x68/0xf0 # [ 50.085773] rewind_stack_do_exit+0x17/0x20 # [ 50.090446] RIP: 0033:0x7f42a81c18f3 # [ 50.094436] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.115422] RSP: 002b:00007ffdb4604748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.123878] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f42a81c18f3 # [ 50.131848] RDX: 000000000000000a RSI: 00007f42a80b4000 RDI: 0000000000000001 # [ 50.139816] RBP: 00007f42a80b4000 R08: 00007f42a80b3010 R09: 0000000000000000 # [ 50.147787] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.155756] 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_STAC[ 52.765304] lkdtm: Performing direct entry READ_AFTER_FREE K: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_ST[ 52.774241] lkdtm: Value in memory before free: 12345678 ACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping [ 52.786424] lkdtm: Attempting bad read from freed memory CORRUPT_STACK: Crashes entire system on success ok 8 selftests:[ 52.798588] lkdtm: Memory was not poisoned lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.364909] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.375060] lkdtm: attempting good list addition # [ 50.380247] lkdtm: attempting corrupted list addition # [ 50.392097] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.466033] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.472478] lkdtm: attempting good list removal # [ 50.483761] lkdtm: attempting corrupted list removal # [ 50.495514] 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_[ 52.908476] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.629771] lk[ 52.915506] lkdtm: Value in memory before free: 12345678 dtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.[ 52.927681] lkdtm: Attempting to read from freed memory 638741] lkdtm: attempting bad read from page below current stack[ 52.939747] lkdtm: Buddy page was not poisoned # [ 50.645844] BUG: stack guard page was hit at 00000000aeeafbe2 (stack is 0000000052b620e2..00000000dc596303) # [ 50.656759] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.663564] CPU: 2 PID: 1062 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 50.678425] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.685228] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.691741] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 50 09 5b a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 90 09 5b a6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 # [ 50.712713] RSP: 0018:ffffaf1b8190fe50 EFLAGS: 00010246 # [ 50.718545] RAX: 0000000000000038 RBX: ffffaf1b8190c000 RCX: 0000000000000000 # [ 50.726513] RDX: 0000000000000000 RSI: ffff[ 53.031605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE a045fad1bf70 RDI: ffffffffa65b0990 # [ 50.734483] RBP: ffffff[ 53.037973] lkdtm: Attempting double slab free ... ffa65b00ba R08: 0000000000000000 R09: 0000000000000000 # [ 50.742450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.750419] R13: ffffaf1b8190ff10 R14: ffffaf1b8190ff10 R15: ffffa04584e80000 # [ 50.758389] FS: 00007fa087831580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 50.767426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.773842] CR2: ffffaf1b8190bfff CR3: 000000010571e003 CR4: 00000000003706e0 # [ 50.781810] Call Trace: # [ 50.784538] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.789595] direct_entry.cold+0x2c/0x38 # [ 50.793973] full_proxy_write+0x53/0x80 # [ 50.798254] vfs_write+0xe7/0x3a0 # [ 50.801965] ksys_write+0x68/0xf0 # [ 50.805663] do_syscall_64+0x30/0x40 # [ 50.809653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #[ 53.124698] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.136419] lkdtm: Attempting cross-cache slab free ... [ 50.815291] RIP: 0033:0x7fa0877478f3 # [ 50.819280] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.840254] RSP: 002b:00007ffedf9a0e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.848709] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa0877478f3 # [ 50.856676] RDX: 0000000000000019 RSI: 00007fa08763a000 RDI: 0000000000000001 # [ 50.864643] RBP: 00007fa08763a000 R08: 00007fa087639010 R09: 0000000000000000 # [ 50.872611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.880576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.888549] Modules linked in: fuse ip_tables cros_ec_sens[ 53.221868] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.229136] lkdtm: Attempting non-Slab slab free ... ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.915006] ---[ end trace 633e44de706942e0 ]--- # [ 50.926372] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.930749] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 50.951720] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 50.957544] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.965511] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 50.973479] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 50.981447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.989413] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 50.997383] FS: 00007fa087831580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 51.006417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.012831] CR2: ffffaf1b8190bfff CR3: 000000010571e003 CR4: 00000000003706e0 # [ 51.020799] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.030709] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1062, name: cat # [ 51.039163] INFO: lockdep is turned off. # [ 51.043536] irq event stamp: 0 # [ 51.046959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.053964] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.063096] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.072230] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.079227] CPU: 2 PID: 1062 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 51.087869] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51[ 53.430904] lkdtm: Performing direct entry EXEC_DATA .094671] Call Trace: # [ 51.097397] dump_stack+0x77/0x9b # [ 53.439178] lkdtm: attempting ok execution at ffffffffa54e03e0 [ 51.101095] ___might_sleep.cold+0xa6/0xb6 # [ 51.105667] [ 53.451940] lkdtm: attempting bad execution at ffffffffa7e08660 exit_signals+0x1c/0x2e0 # [ 51.109653] do_exit+0xd5/0xb00 [ 53.464762] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.479293] BUG: unable to handle page fault for address: ffffffffa7e08660 [ 53.486971] #PF: supervisor instruction fetch in kernel mode [ 53.493278] #PF: error_code(0x0011) - permissions violation [ 53.499499] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 80000000728000e3 [ 53.506989] Oops: 0011 [#5] SMP PTI [ 53.510899] CPU: 0 PID: 1638 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 53.519544] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.526348] RIP: 0010:data_area+0x0/0x40 [ 53.530729] Code: ff ff 00 0a 25 80 45 a0 ff ff 00 09 25 80 45 a0 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 [ 53.551708] RSP: 0018:ffffaf1b8214fe48 EFLAGS: 00010246 [ 53.557541] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.565501] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 [ 53.573466] RBP: ffffffffa7e08660 R08: 0000000000000000 R09: 0000000000000000 [ 53.581433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.589401] R13: ffffaf1b8214ff10 R14: ffffaf1b8214ff10 R15: ffffa04586410000 [ 53.597368] FS: 00007f8adb668580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 53.606402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.612816] CR2: ffffffffa7e08660 CR3: 0000000104024005 CR4: 00000000003706f0 [ 53.620782] Call Trace: [ 53.623512] ? execute_location+0x45/0x56 [ 53.627982] ? direct_entry.cold+0x2c/0x38 [ 53.632543] ? full_proxy_write+0x53/0x80 [ 53.637016] ? vfs_write+0xe7/0x3a0 [ 53.640899] ? ksys_write+0x68/0xf0 [ 53.644791] ? do_syscall_64+0x30/0x40 [ 53.648974] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.654811] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.681246] CR2: ffffffffa7e08660 [ 53.684964] ---[ end trace 633e44de706942e3 ]--- [ 53.690118] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.694493] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 53.715471] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 53.721305] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.729272] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 53.737240] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 53.745207] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.753174] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 53.761144] FS: 00007f8adb668580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 53.770180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.776595] CR2: ffffffffa7e08660 CR3: 0000000104024005 CR4: 00000000003706f0 [ 53.784564] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.794474] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1638, name: cat [ 53.802929] INFO: lockdep is turned off. [ 53.807302] irq event stamp: 0 [ 53.810708] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.817704] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.826838] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.835971] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.842960] CPU: 0 PID: 1638 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 53.851606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.858408] Call Trace: [ 53.861136] dump_stack+0x77/0x9b [ 53.864839] ___might_sleep.cold+0xa6/0xb6 [ 53.869417] exit_signals+0x1c/0x2e0 [ 53.873404] do_exit+0xd5/0xb00 [ 53.876907] ? ksys_write+0x68/0xf0 [ 53.880792] rewind_stack_do_exit+0x17/0x20 [ 53.885465] RIP: 0033:0x7f8adb57e8f3 [ 53.889453] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.910436] RSP: 002b:00007ffce4aa3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.918890] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8adb57e8f3 [ 53.926857] RDX: 000000000000000a RSI: 00007f8adb471000 RDI: 0000000000000001 [ 53.934826] RBP: 00007f8adb471000 R08: 00007f8adb470010 R09: 0000000000000000 [ 53.942794] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.950762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.113155] ? ksys_write+0x68/0xf0 # [ 51.117048] rewind_stack_do_exit+0x17/0x20 # [ 51.121715] RIP: 0033:0x7fa0877478f3 # [ 51.125701] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.146681] RSP: 002b:00007ffedf9a0e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.155136] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa0877478f3 # [ 51.163105] RDX: 0000000000000019 RSI: 00007fa08763a000 RDI: 0000000000000001 # [ 51.171072] RBP: 00007fa08763a000 R08: 00007fa087639010 R09: 0000000000000000 # [ 51.179039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.187017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.277749] lkdtm: Performing direct entry ST[ 54.062732] lkdtm: Performing direct entry EXEC_STACK [ 54.070052] lkdtm: attempting ok execution at ffffffffa54e03e0 [ 54.076601] lkdtm: attempting bad execution at ffffaf1b82207e18 [ 54.083267] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ACK_GUARD_PAGE_TRAILING # [ 51.289151] lkdtm: attempting bad [ 54.091631] BUG: unable to handle page fault for address: ffffaf1b82207e18 [ 54.105521] #PF: supervisor instruction fetch in kernel mode [ 54.111840] #PF: error_code(0x0011) - permissions violation read from page above current stack # [ 51.296284] BUG: stack [ 54.118062] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1064c7067 PTE 8000000103421063 [ 54.133319] Oops: 0011 [#6] SMP PTI [ 54.137213] CPU: 3 PID: 1674 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 54.145862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.152670] RIP: 0010:0xffffaf1b82207e18 [ 54.157049] Code: 00 00 18 7e 20 82 1b af ff ff f1 d5 b3 a5 ff ff ff ff 20 00 00 00 00 00 00 00 16 02 5b a6 ff ff ff ff 20 d7 b3 a5 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.178031] RSP: 0018:ffffaf1b82207df8 EFLAGS: 00010246 [ 54.183862] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.191830] RDX: 0000000000000000 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 54.199798] RBP: ffffaf1b82207e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.207764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.215732] R13: ffffaf1b82207f10 R14: ffffaf1b82207f10 R15: ffffa04583367000 [ 54.223701] FS: 00007fd18a010580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 54.232735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.239148] CR2: ffffaf1b82207e18 CR3: 00000001026fa001 CR4: 00000000003706e0 [ 54.247114] Call Trace: gu[ard page was hit at 00000000294310c3 (stack is 00000000c2c72c3 54.249844] ? execute_location+0x45/0x56 [ 54.260533] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.265020] ? direct_entry.cold+0x2c/0x38 [ 54.269591] ? full_proxy_write+0x53/0x80 [ 54.274058] ? vfs_write+0xe7/0x3a0 [ 54.277948] ? ksys_write+0x68/0xf0 [ 54.281832] ? do_syscall_64+0x30/0x40 [ 54.286019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.291855] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.318315] CR2: ffffaf1b82207e18 [ 54.322020] ---[ end trace 633e44de706942e4 ]--- [ 54.327164] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.331539] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 54.352518] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 54.358350] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.366318] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 54.374286] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 54.382253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.390221] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 54.398187] FS: 00007fd18a010580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 54.407222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.413635] CR2: ffffaf1b82207e18 CR3: 00000001026fa001 CR4: 00000000003706e0 5..00000000ac949ba0) # [ 51.307192] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.320208] CPU: 2 PID: 1095 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 51.328858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.341879] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.354704] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 09 5b a6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 08 0a 5b a6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff # [ 51.375684] RSP: 0018:ffffaf1b8196fe50 EFLAGS: 00010246 # [ 51.381517] RAX: 0000000000000038 RBX: ffffaf1b8196c000 RCX: 0000000000000000 # [ 51.389485] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa65b0a08 # [ 51.397453] RBP: ffffffffa65b00d3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.405421] R10: 00000000ffffe00[ 54.503949] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.514493] lkdtm: attempting ok execution at ffffffffa54e03e0 [ 54.521013] lkdtm: attempting bad execution at ffffa04584179900 [ 54.527638] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.413387] [ 54.536020] BUG: unable to handle page fault for address: ffffa04584179900 [ 54.549911] #PF: supervisor instruction fetch in kernel mode [ 54.556231] #PF: error_code(0x0011) - permissions violation R1[3: ffffaf1b8196ff10 R14: ffffaf1b8196ff10 R15: ffffa0458550d00 54.562453] PGD 72a01067 P4D 72a01067 PUD 10084c063 PMD 1054f4063 PTE 8000000104179063 [ 54.577515] Oops: 0011 [#7] SMP PTI [ 54.581407] CPU: 3 PID: 1710 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 54.590053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.596858] RIP: 0010:0xffffa04584179900 [ 54.601235] Code: ad de 40 5b c8 84 45 a0 ff ff 80 9e 17 84 45 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.622212] RSP: 0018:ffffaf1b82287e38 EFLAGS: 00010246 [ 54.628046] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.636012] RDX: 0000000000000000 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 54.643982] RBP: ffffa04584179900 R08: 0000000000000000 R09: 0000000000000000 [ 54.651964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.659933] R13: ffffaf1b82287f10 R14: ffffaf1b82287f10 R15: ffffa04582878000 [ 54.667927] FS: 00007f08da004580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 54.676964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.683378] CR2: ffffa04584179900 CR3: 000000010651c003 CR4: 00000000003706e0 [ 54.691345] Call Trace: [ 54.694074] ? execute_location+0x45/0x56 [ 54.698549] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.703215] ? direct_entry.cold+0x2c/0x38 [ 54.707787] ? full_proxy_write+0x53/0x80 [ 54.712260] ? vfs_write+0xe7/0x3a0 [ 54.716144] ? ksys_write+0x68/0xf0 [ 54.720035] ? do_syscall_64+0x30/0x40 [ 54.724210] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.730046] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # [ 51.421355] FS: 00007fa14a975580(0000) GS:ffffa045fad00[ 54.756499] CR2: ffffa04584179900 [ 54.766406] ---[ end trace 633e44de706942e5 ]--- [ 54.771558] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.775933] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 54.796935] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 54.802766] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.810734] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 54.818701] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 54.826667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.834634] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 54.842600] FS: 00007f08da004580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 54.851637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.858052] CR2: ffffa04584179900 CR3: 000000010651c003 CR4: 00000000003706e0 [ 54.866019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.875928] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1710, name: cat [ 54.884382] INFO: lockdep is turned off. [ 54.888757] irq event stamp: 0 [ 54.892161] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.899157] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.908289] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.917422] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.924421] CPU: 3 PID: 1710 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 54.933066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.939868] Call Trace: [ 54.942595] dump_stack+0x77/0x9b [ 54.946292] ___might_sleep.cold+0xa6/0xb6 [ 54.950855] exit_signals+0x1c/0x2e0 [ 54.954842] do_exit+0xd5/0xb00 [ 54.958344] ? ksys_write+0x68/0xf0 [ 54.962236] rewind_stack_do_exit+0x17/0x20 [ 54.966904] RIP: 0033:0x7f08d9f1a8f3 [ 54.970892] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.991869] RSP: 002b:00007ffdf0881ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.000322] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f08d9f1a8f3 [ 55.008289] RDX: 000000000000000d RSI: 00007f08d9e0d000 RDI: 0000000000000001 [ 55.016258] RBP: 00007f08d9e0d000 R08: 00007f08d9e0c010 R09: 0000000000000000 [ 55.024226] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.032194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000(0000) knlGS:0000000000000000 # [ 51.430391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.436804] CR2: ffffaf1b81970000 CR3: 00000001028fa003 CR4: 00000000003706e0 # [ 51.444773] Call Trace: # [ 51.447503] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.453336] direct_entry.cold+0x2c/0x38 # [ 51.457714] full_proxy_write+0x53/0x80 # [ 51.461995] vfs_write+0xe7/0x3a0 # [ 51.465691] ksys_write+0x68/0xf0 # [ 51.469390] do_syscall_64+0x30/0x40 # [ 51.473378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.479014] RIP: 0033:0x7fa14a88b8f3 # [ 51.483019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.503998] RSP: 002b:00007ffd1c5afef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.512455] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa14a88b8f3 # [ 51.526637] RDX: 000000000000001a RSI: 00007fa14a77e000 RDI: 0000000000000001 # [ 51.534605][ 55.140165] lkdtm: Performing direct entry EXEC_VMALLOC RBP: 00007fa14a77e000 R08: 00007fa14a77d010 R09: 00000000000000[ 55.151720] lkdtm: attempting ok execution at ffffffffa54e03e0 00 # [ 51.542574] R10: fffffffffffffbc5 R11: 0000000000000246[ 55.164467] lkdtm: attempting bad execution at ffffaf1b80379000 R12: 0000000000000001 # [ 51.550542] R13: 0000000000000001 R[ 55.177303] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.191854] BUG: unable to handle page fault for address: ffffaf1b80379000 [ 55.199530] #PF: supervisor instruction fetch in kernel mode [ 55.205848] #PF: error_code(0x0011) - permissions violation [ 55.212066] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100808067 PTE 8000000103041063 [ 55.221110] Oops: 0011 [#8] SMP PTI [ 55.225013] CPU: 0 PID: 1746 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 55.233661] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.240466] RIP: 0010:0xffffaf1b80379000 [ 55.244842] Code: Unable to access opcode bytes at RIP 0xffffaf1b80378fd6. [ 55.252509] RSP: 0018:ffffaf1b82317e38 EFLAGS: 00010246 [ 55.258341] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.266308] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 [ 55.274276] RBP: ffffaf1b80379000 R08: 0000000000000000 R09: 0000000000000000 [ 55.282244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.290211] R13: ffffaf1b82317f10 R14: ffffaf1b82317f10 R15: ffffa04583041000 [ 55.298180] FS: 00007f767e1b1580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 55.307215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.313627] CR2: ffffaf1b80378fd6 CR3: 000000010549e004 CR4: 00000000003706f0 [ 55.321595] Call Trace: [ 55.324323] ? execute_location+0x45/0x56 [ 55.328796] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.333468] ? direct_entry.cold+0x2c/0x38 [ 55.338039] ? full_proxy_write+0x53/0x80 [ 55.342514] ? vfs_write+0xe7/0x3a0 [ 55.346405] ? ksys_write+0x68/0xf0 [ 55.350288] ? do_syscall_64+0x30/0x40 [ 55.354462] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.360296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.386732] CR2: ffffaf1b80379000 [ 55.390419] ---[ end trace 633e44de706942e6 ]--- [ 55.395571] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.399962] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 55.420964] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 55.426798] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.434756] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 55.442724] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 55.450691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.458658] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 55.466625] FS: 00007f767e1b1580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 [ 55.475662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.482077] CR2: ffffaf1b80378fd6 CR3: 000000010549e004 CR4: 00000000003706f0 14: 0000000000020000 R15: 0000000000020000 # [ 51.558513] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.584968] ---[ end trace 633e44de706942e1 ]--- # [ 51.596336] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.600713] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 51.621684] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 51.627517] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.635484] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 51.643452] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 51.651419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.659388] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 51.667355] FS: 00007fa14a975580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 51.676391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.682806] CR2: ffffaf1b81970000 CR3: 00000001028fa003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.772299] lkdtm: Performing direct entry UNSET_SMEP # [ 51.783463] lkdtm: trying to clear SMEP normally # [ 51.794838] ------------[ cut here ]------------ # [ 51.806211] pinned CR4 bits changed: 0x100000!? # [ 51.817485] WARNING: CPU: 1 PID: 1131 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.833898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 55.673008] lkdtm: Performing direct entry EXEC_RODATA [ 55.682311] lkdtm: attempting ok execution at ffffffffa54e03e0 [ 55.688880] lkdtm: attempting bad execution at ffffffffa61ce140 s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 55.695509] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.710068] BUG: unable to handle page fault for address: ffffffffa61ce140 [ 55.717745] #PF: supervisor instruction fetch in kernel mode [ 55.724060] #PF: error_code(0x0011) - permissions violation [ 55.730281] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 8000000070a000e1 [ 55.737767] Oops: 0011 [#9] SMP PTI [ 55.741650] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 55.750298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.757102] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 55.762835] Code: ff ff 90 eb b3 a5 ff ff ff ff 62 04 5b a6 ff ff ff ff d6 d2 b3 a5 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 [ 55.783815] RSP: 0018:ffffaf1b823afe48 EFLAGS: 00010246 [ 55.789639] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.797607] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 [ 55.805576] RBP: ffffffffa61ce140 R08: 0000000000000000 R09: 0000000000000000 [ 55.813545] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.821513] R13: ffffaf1b823aff10 R14: ffffaf1b823aff10 R15: ffffa04582722000 [ 55.829482] FS: 00007ff762ebf580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 55.838517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.844930] CR2: ffffffffa61ce140 CR3: 0000000104024005 CR4: 00000000003706e0 [ 55.852897] Call Trace: [ 55.855624] ? execute_location+0x45/0x56 [ 55.860099] ? direct_entry.cold+0x2c/0x38 [ 55.864671] ? full_proxy_write+0x53/0x80 [ 55.869144] ? vfs_write+0xe7/0x3a0 [ 55.873036] ? ksys_write+0x68/0xf0 [ 55.876928] ? do_syscall_64+0x30/0x40 [ 55.881111] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 _e[c_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ 55.886955] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.919601] CR2: ffffffffa61ce140 [ 55.923289] ---[ end trace 633e44de706942e7 ]--- [ 55.928433] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.932808] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 55.953787] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 55.959619] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.967587] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 55.975555] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 55.983522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.991491] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 55.999460] FS: 00007ff762ebf580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 56.008498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.014912] CR2: ffffffffa61ce140 CR3: 0000000104024005 CR4: 00000000003706e0 [ 56.022880] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.032788] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1782, name: cat [ 56.041241] INFO: lockdep is turned off. [ 56.045616] irq event stamp: 0 [ 56.049020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.056020] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.065154] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.074284] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.081281] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 56.089929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.096731] Call Trace: [ 56.099459] dump_stack+0x77/0x9b [ 56.103156] ___might_sleep.cold+0xa6/0xb6 [ 56.107728] exit_signals+0x1c/0x2e0 [ 56.111715] do_exit+0xd5/0xb00 [ 56.115216] ? ksys_write+0x68/0xf0 [ 56.119108] rewind_stack_do_exit+0x17/0x20 [ 56.123775] RIP: 0033:0x7ff762dd58f3 [ 56.127761] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.148738] RSP: 002b:00007ffe78a779c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.157191] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff762dd58f3 [ 56.165158] RDX: 000000000000000c RSI: 00007ff762cc8000 RDI: 0000000000000001 [ 56.173124] RBP: 00007ff762cc8000 R08: 00007ff762cc7010 R09: 0000000000000000 [ 56.181090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.189057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.866534] CPU: 1 PID: 1131 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 51.881400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.894420] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.905791] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 8d e3 01 00 75 f2 48 c7 c7 88 f3 4e a6 c6 05 f4 8c e3 01 01 e8 65 cc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.933011] RSP: 0018:ffffaf1b819e7e48 EFLAGS: 00010286 # [ 51.945060] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.959248] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 51.973432] RBP: ffffffffa65b00ed R08: 0000000000000000 R09: 0000000000000000 # [ 51.987620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.001808] R13: ffffaf1b819e7f10 R14: ffffaf1b819e7f10 R15: ffffa04584065000 # [ 52.016035] FS: 00007f4b7070c580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 52.031271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 56.305485] lkdtm: Performing direct entry EXEC_USERSPACE 52.043903] CR2: 00007f4b70515000 CR3: 0000000104e2c005 CR4: 0000[ 56.314986] lkdtm: attempting ok execution at ffffffffa54e03e0 0000003706e0 # [ 52.051875] Call Trace: # [ 52.060815] lk[ 56.327745] lkdtm: attempting bad execution at 00007f057532e000 dtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.071893] direct_entry.c[ 56.340562] unable to execute userspace code (SMEP?) (uid: 0) [ 56.353170] BUG: unable to handle page fault for address: 00007f057532e000 [ 56.360848] #PF: supervisor instruction fetch in kernel mode [ 56.367158] #PF: error_code(0x0011) - permissions violation old+0x2c/0x38 # [ 52.082489] full_proxy_write+0x53/0x80 # [[ 56.373379] PGD 80000001054dc067 P4D 80000001054dc067 PUD 103171067 PMD 1026ce067 PTE 106ea5067 [ 56.389316] Oops: 0011 [#10] SMP PTI [ 56.393306] CPU: 1 PID: 1818 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 56.401968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.408774] RIP: 0010:0x7f057532e000 [ 56.412761] Code: Unable to access opcode bytes at RIP 0x7f057532dfd6. [ 56.420049] RSP: 0018:ffffaf1b8244fe50 EFLAGS: 00010246 [ 56.425874] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.433841] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 [ 56.441808] RBP: 00007f057532e000 R08: 0000000000000000 R09: 0000000000000000 [ 56.449775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.457742] R13: ffffaf1b8244ff10 R14: ffffaf1b8244ff10 R15: ffffa045834c4000 [ 56.465710] FS: 00007f05752ff580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 56.474740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.481155] CR2: 00007f057532e000 CR3: 000000010574a003 CR4: 00000000003706e0 [ 56.489122] Call Trace: [ 56.491852] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae 52.093001] vfs_write+0xe7/0x3a0 # [ 52.102921] ksys_writ[ 56.497200] ? direct_entry.cold+0x2c/0x38 [ 56.507985] ? full_proxy_write+0x53/0x80 e+0x68/0xf0 # [ 52.112837] do_syscall_64+0x30/0x40 # [ 52[ 56.512461] ? vfs_write+0xe7/0x3a0 [ 56.522565] ? ksys_write+0x68/0xf0 [ 56.526456] ? do_syscall_64+0x30/0x40 [ 56.530628] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 .123041] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.134[ 56.536465] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.569102] CR2: 00007f057532e000 [ 56.572799] ---[ end trace 633e44de706942e8 ]--- [ 56.577964] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.582341] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 56.603321] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 56.609152] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.617120] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 56.625088] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 56.633055] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.641021] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 56.648989] FS: 00007f05752ff580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 56.658025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.664438] CR2: 00007f057532e000 CR3: 000000010574a003 CR4: 00000000003706e0 898] RIP: 0033:0x7f4b706228f3 # [ 52.145104] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.172299] RSP: 002b:00007ffce440e408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.186971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4b706228f3 # [ 52.201157] RDX: 000000000000000b RSI: 00007f4b70515000 RDI: 0000000000000001 # [ 52.209131] RBP: 00007f4b70515000 R08: 00007f4b70514010 R09: 0000000000000000 # [ 52.223312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.231288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.245492] irq event stamp: 0 # [ 52.255093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.268310] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.283661] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.292800] softirqs l[ 56.777400] lkdtm: attempting ok execution at ffffffffa54e03e0 ast disabled at (0): [<0000000000000000>] 0x0 # [ 52.306018] [ 56.790135] lkdtm: attempting bad execution at 0000000000000000 ---[ end trace 633e44de706942e2 ]--- # [ 52.311176] lkdtm: ok[ 56.802974] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.816957] #PF: supervisor instruction fetch in kernel mode [ 56.823277] #PF: error_code(0x0010) - not-present page [ 56.829014] PGD 0 P4D 0 : SMEP did not get cleared # [ 52.322444] lkdtm: trying to cl[ 56.831842] Oops: 0010 [#11] SMP PTI [ 56.842043] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 56.850691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.857495] RIP: 0010:0x0 [ 56.860406] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.868082] RSP: 0018:ffffaf1b824d7e48 EFLAGS: 00010246 [ 56.873913] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.881882] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 [ 56.889851] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.897820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.905790] R13: ffffaf1b824d7f10 R14: ffffaf1b824d7f10 R15: ffffa0458356b000 [ 56.913757] FS: 00007fa934303580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 56.922795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.929202] CR2: ffffffffffffffd6 CR3: 00000001028dc002 CR4: 00000000003706e0 [ 56.937171] Call Trace: [ 56.939899] execute_location+0x45/0x56 ear SMEP with call gadget # [ 52.328380] lkdtm: ok: SMEP remo[ 56.944181] direct_entry.cold+0x2c/0x38 [ 56.954772] full_proxy_write+0x53/0x80 [ 56.959054] vfs_write+0xe7/0x3a0 [ 56.962752] ksys_write+0x68/0xf0 [ 56.966450] do_syscall_64+0x30/0x40 [ 56.970440] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.976078] RIP: 0033:0x7fa9342198f3 [ 56.980057] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.001040] RSP: 002b:00007ffc63cdaa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.009495] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9342198f3 [ 57.017463] RDX: 000000000000000a RSI: 00007fa93410c000 RDI: 0000000000000001 [ 57.025432] RBP: 00007fa93410c000 R08: 00007fa93410b010 R09: 0000000000000000 [ 57.033400] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.041366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 val was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': [ 57.049339] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.081973] CR2: 0000000000000000 [ 57.085669] ---[ end trace 633e44de706942e9 ]--- [ 57.090824] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.095200] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 57.116179] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 57.122020] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.129988] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 57.137962] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 57.145930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.153899] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 57.161868] FS: 00007fa934303580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 57.170896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.177310] CR2: ffffffffffffffd6 CR3: 00000001028dc002 CR4: 00000000003706e0 [ 57.185279] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.195189] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1854, name: cat [ 57.203642] INFO: lockdep is turned off. [ 57.208017] irq event stamp: 0 [ 57.211421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.218419] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.227553] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.236688] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.243677] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 57.252323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.259125] Call Trace: [ 57.261851] dump_stack+0x77/0x9b ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: D[ 57.265550] ___might_sleep.cold+0xa6/0xb6 [ 57.276332] exit_signals+0x1c/0x2e0 [ 57.280319] do_exit+0xd5/0xb00 [ 57.283821] ? ksys_write+0x68/0xf0 [ 57.287714] rewind_stack_do_exit+0x17/0x20 [ 57.292381] RIP: 0033:0x7fa9342198f3 [ 57.296368] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.317349] RSP: 002b:00007ffc63cdaa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.325803] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9342198f3 [ 57.333772] RDX: 000000000000000a RSI: 00007fa93410c000 RDI: 0000000000000001 [ 57.341742] RBP: 00007fa93410c000 R08: 00007fa93410b010 R09: 0000000000000000 [ 57.349710] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.357679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 OUBLE_FAULT.sh # [ 52.415794] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.426417] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.510281] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.518065] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.611625] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.623781] 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 # [ 52.765304] lkdtm: Pe[ 57.476722] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.483777] lkdtm: attempting bad read at 00007f75ebd5b000 rforming direct entry READ_AFTER_FREE # [ 52.774241] lkdtm: V[ 57.489918] BUG: unable to handle page fault for address: 00007f75ebd5b000 [ 57.503800] #PF: supervisor read access in kernel mode [ 57.509536] #PF: error_code(0x0001) - permissions violation al[ue in memory before free: 12345678 # [ 52.786424] lkdtm: At 57.515756] PGD 8000000104f4c067 P4D 8000000104f4c067 PUD 106575067 PMD 104de3067 PTE 10b40d067 [ 57.531693] Oops: 0001 [#12] SMP PTI [ 57.535684] CPU: 2 PID: 1889 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 57.544334] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.551130] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.557352] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 80 11 5b a6 e8 6c 99 fd ff 48 c7 c7 a8 11 5b a6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 d0 11 5b [ 57.578330] RSP: 0018:ffffaf1b82597e48 EFLAGS: 00010246 [ 57.584153] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.592121] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa65b11a8 [ 57.600088] RBP: 00007f75ebd5b000 R08: 0000000000000000 R09: 0000000000000000 [ 57.608057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.616024] R13: ffffaf1b82597f10 R14: ffffaf1b82597f10 R15: ffffa0458314e000 [ 57.624011] FS: 00007f75ebd2c580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 57.633047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.639462] CR2: 00007f75ebd5b000 CR3: 00000001026a2004 CR4: 00000000003706e0 [ 57.647420] Call Trace: [ 57.650148] direct_entry.cold+0x2c/0x38 [ 57.654525] full_proxy_write+0x53/0x80 [ 57.658805] vfs_write+0xe7/0x3a0 [ 57.662503] ksys_write+0x68/0xf0 [ 57.666201] do_syscall_64+0x30/0x40 [ 57.670188] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.675817] RIP: 0033:0x7f75ebc428f3 [ 57.679803] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.700782] RSP: 002b:00007ffe35b3dcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.709237] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f75ebc428f3 [ 57.717202] RDX: 0000000000000011 RSI: 00007f75ebb35000 RDI: 0000000000000001 [ 57.725170] RBP: 00007f75ebb35000 R08: 00007f75ebb34010 R09: 0000000000000000 [ 57.733138] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.741105] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.749078] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify tempting bad read from freed memory # [ 52.798588] lkdtm: Mem[ 57.775534] CR2: 00007f75ebd5b000 [ 57.785444] ---[ end trace 633e44de706942ea ]--- [ 57.790599] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.794974] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 57.815962] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 57.821794] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.829761] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 57.837729] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 57.845696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.853663] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 57.861631] FS: 00007f75ebd2c580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 57.870666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.877080] CR2: 00007f75ebd5b000 CR3: 00000001026a2004 CR4: 00000000003706e0 ory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.908476] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.915506] lkdtm: Value in memory before free: 12345678 # [ 52.927681] lkdtm: Attempting to read from freed memory # [ 52.939747] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.031605] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.037973] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.124698] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.136419] lkdtm: Attempting cross-cache slab free ... #[ 57.993164] lkdtm: Performing direct entry ACCESS_NULL SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selft[ 58.002701] lkdtm: attempting bad read at 0000000000000000 ests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SL[ 58.015080] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.029033] #PF: supervisor read access in kernel mode [ 58.034769] #PF: error_code(0x0000) - not-present page [ 58.040506] PGD 0 P4D 0 [ 58.043332] Oops: 0000 [#13] SMP PTI [ 58.047312] CPU: 1 PID: 1924 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 58.055963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.062770] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 AB_FREE_PAGE.sh # [ 53.221868] lkdtm: Performing direct entry[ 58.068022] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 a0 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 11 5b a6 e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 11 5b a6 48 01 [ 58.095212] RSP: 0018:ffffaf1b825dfe58 EFLAGS: 00010246 [ 58.101046] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.109010] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 [ 58.116977] RBP: ffffffffa65b0271 R08: 0000000000000000 R09: 0000000000000000 [ 58.124965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.132934] R13: ffffaf1b825dff10 R14: ffffaf1b825dff10 R15: ffffa04584145000 [ 58.140926] FS: 00007f5a8d0a2580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 58.149965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.156380] CR2: 0000000000000000 CR3: 00000001030b0005 CR4: 00000000003706e0 [ 58.164346] Call Trace: [ 58.167074] direct_entry.cold+0x2c/0x38 SLAB_FREE_PAGE # [ 53.229136] lkdtm: Attempting non-Slab sla[ 58.171454] full_proxy_write+0x53/0x80 [ 58.181965] vfs_write+0xe7/0x3a0 b free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not[ 58.185664] ksys_write+0x68/0xf0 [ 58.195572] do_syscall_64+0x30/0x40 ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests[ 58.199561] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.211409] RIP: 0033:0x7f5a8cfb88f3 [ 58.215387] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.236364] RSP: 002b:00007ffdd88620d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.244819] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5a8cfb88f3 [ 58.252787] RDX: 000000000000000c RSI: 00007f5a8ceab000 RDI: 0000000000000001 [ 58.260754] RBP: 00007f5a8ceab000 R08: 00007f5a8ceaa010 R09: 0000000000000000 [ 58.268722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.276690] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system [ 58.284660] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.317292] CR2: 0000000000000000 [ 58.321002] ---[ end trace 633e44de706942eb ]--- ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdt[ 58.326164] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.336749] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 58.357727] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 58.363560] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.371527] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 58.379493] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 58.387461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.395429] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 58.403397] FS: 00007f5a8d0a2580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 58.412431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.418845] CR2: 0000000000000000 CR3: 00000001030b0005 CR4: 00000000003706e0 m: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 53.430904] lkdtm: Performing direct entry EXEC_DATA # [ 53.439178] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ 53.451940] lkdtm: attempting bad execution at ffffffffa7e08660 # [ 53.464762] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.479293] BUG: unable to handle page fault for address: ffffffffa7e08660 # [ 53.486971] #PF: supervisor instruction fetch in kernel mode # [ 53.493278] #PF: error_code(0x0011) - permissions violation # [ 53.499499] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 80000000728000e3 # [ 53.506989] Oops: 0011 [#5] SMP PTI # [ 53.510899] CPU: 0 PID: 1638 Comm: cat Tainted: G D W 5.10.[ 58.532243] lkdtm: Performing direct entry WRITE_RO 158-cip21 #1 # [ 53.519544] Hardware name: Google Rammus/Ramm[ 58.537940] lkdtm: attempting bad rodata write at ffffffffa61ce130 us, BIOS 09/04/2020 # [ 53.526348] RIP: 0010:data_area+0x0/0[ 58.551067] BUG: unable to handle page fault for address: ffffffffa61ce130 [ 58.564950] #PF: supervisor write access in kernel mode [ 58.570783] #PF: error_code(0x0003) - permissions violation [ 58.577021] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 8000000070a000e1 x40 # [ 53.530729] Code: ff ff 00 0a 25 80 45 a0 ff ff 00 09 [ 58.584509] Oops: 0003 [#14] SMP PTI [ 58.594707] CPU: 1 PID: 1959 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 58.603346] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.610152] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 25 80 45 a0 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 58.615112] Code: 00 48 c7 c7 60 10 5b a6 48 c7 c6 30 e1 1c a6 e8 94 9b fd ff 48 8b 05 0f 0b 69 00 ba 34 12 cd ab 48 c7 c7 90 10 5b a6 48 31 d0 <48> 89 05 f9 0a 69 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 ec [ 58.642306] RSP: 0018:ffffaf1b826b7e60 EFLAGS: 00010202 [ 58.648139] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.656107] RDX: 00000000abcd1234 RSI: ffffa045fac9bf70 RDI: ffffffffa65b1090 [ 58.664076] RBP: ffffffffa65b027d R08: 0000000000000000 R09: 0000000000000000 [ 58.672043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.680026] R13: ffffaf1b826b7f10 R14: ffffaf1b826b7f10 R15: ffffa045828e4000 [ 58.687996] FS: 00007f81d0949580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 58.697033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.703446] CR2: ffffffffa61ce130 CR3: 0000000106440002 CR4: 00000000003706e0 [ 58.711415] Call Trace: [ 58.714142] direct_entry.cold+0x2c/0x38 [ 58.718523] full_proxy_write+0x53/0x80 0 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f [ 58.722804] vfs_write+0xe7/0x3a0 [ 58.732713] ksys_write+0x68/0xf0 [ 58.736409] do_syscall_64+0x30/0x40 [ 58.740398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.746036] RIP: 0033:0x7f81d085f8f3 [ 58.750024] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.770996] RSP: 002b:00007ffe29d45618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.779451] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f81d085f8f3 [ 58.787420] RDX: 0000000000000009 RSI: 00007f81d0752000 RDI: 0000000000000001 [ 58.795388] RBP: 00007f81d0752000 R08: 00007f81d0751010 R09: 0000000000000000 [ 58.803357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.811327] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.551708] RSP: 0018:ffffaf[ 58.819299] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.851932] CR2: ffffffffa61ce130 [ 58.855652] ---[ end trace 633e44de706942ec ]--- [ 58.860806] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.865182] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 58.886162] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 58.891993] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.899967] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 58.907933] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 58.915925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.923893] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 58.931862] FS: 00007f81d0949580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 58.940898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.947312] CR2: ffffffffa61ce130 CR3: 0000000106440002 CR4: 00000000003706e0 [ 58.955281] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.965192] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1959, name: cat [ 58.973646] INFO: lockdep is turned off. [ 58.978022] irq event stamp: 0 [ 58.981428] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.988418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.997552] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.006685] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.013682] CPU: 1 PID: 1959 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 59.022329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.029133] Call Trace: [ 59.031860] dump_stack+0x77/0x9b 1b8214fe48 EFLAGS: 00010246 # [ 53.557541] RAX: 0000000000000[ 59.035560] ___might_sleep.cold+0xa6/0xb6 [ 59.046343] exit_signals+0x1c/0x2e0 [ 59.050332] do_exit+0xd5/0xb00 [ 59.053835] ? ksys_write+0x68/0xf0 [ 59.057718] rewind_stack_do_exit+0x17/0x20 [ 59.062386] RIP: 0033:0x7f81d085f8f3 [ 59.066373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.087355] RSP: 002b:00007ffe29d45618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.095811] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f81d085f8f3 [ 59.103779] RDX: 0000000000000009 RSI: 00007f81d0752000 RDI: 0000000000000001 [ 59.111747] RBP: 00007f81d0752000 R08: 00007f81d0751010 R09: 0000000000000000 [ 59.119714] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.127683] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.565501] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 # [ 53.573466] RBP: ffffffffa7e08660 R08: 0000000000000000 R09: 0000000000000000 # [ 53.581433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.589401] R13: ffffaf1b8214ff10 R14: ffffaf1b8214ff10 R15: ffffa04586410000 # [ 53.597368] FS: 00007f8adb668580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 53.606402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.612816] CR2: ffffffffa7e08660 CR3: 0000000104024005 CR4: 00000000003706f0 # [ 53.620782] Call Trace: # [ 53.623512] ? execute_location+0x45/0x56 # [ 53.627982] ? direct_entry.cold+0x2c/0x38 # [ 53.632543] ? full_proxy_write+0x53/0x80 # [ 53.637016] ? vfs_write+0xe7/0x3a0 # [ 53.640899] ? ksys_write+0x68/0xf0 # [ 53.644791] ? do_syscall_64+0x30/0x40 # [ 53.648974] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.654811] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.681246] CR2: ffffffffa7e08660 # [ 53.684964] ---[ end trace 633e44de706942e3 ]--- # [ 53.690118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.694493] Code: 89 ff e8 5e a6 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 [ 59.284046] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 59.291346] lkdtm: attempting bad ro_after_init write at ffffffffa662c330 1f 44 00 00 83 05 00 86 92 02 # [ 53.715471] RSP: 0018:ffffa[ 59.305186] BUG: unable to handle page fault for address: ffffffffa662c330 [ 59.319051] #PF: supervisor write access in kernel mode [ 59.324874] #PF: error_code(0x0003) - permissions violation [ 59.331095] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 1048da063 PTE 800000007102c061 f1b8146fe60 EFLAGS: 00010282 # [ 53.721305] RAX: ffffffffa54e[ 59.339844] Oops: 0003 [#15] SMP PTI [ 59.350044] CPU: 1 PID: 1994 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 59.358691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.365498] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.72927[ 59.371526] Code: 10 5b a6 e9 46 9b fd ff 48 c7 c7 e8 10 5b a6 e8 3a 9b fd ff 48 8b 05 b5 ec ae 00 ba 34 12 cd ab 48 c7 c7 90 10 5b a6 48 31 d0 <48> 89 05 9f ec ae 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.398715] RSP: 0018:ffffaf1b8271fe60 EFLAGS: 00010202 [ 59.404547] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.412516] RDX: 00000000abcd1234 RSI: ffffa045fac9bf70 RDI: ffffffffa65b1090 [ 59.420474] RBP: ffffffffa65b0286 R08: 0000000000000000 R09: 0000000000000000 [ 59.428442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.436409] R13: ffffaf1b8271ff10 R14: ffffaf1b8271ff10 R15: ffffa045855cc000 [ 59.444378] FS: 00007f79c5dda580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 59.453405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.459820] CR2: ffffffffa662c330 CR3: 00000001057f2006 CR4: 00000000003706e0 [ 59.467786] Call Trace: [ 59.470512] direct_entry.cold+0x2c/0x38 2] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61c[ 59.474893] full_proxy_write+0x53/0x80 [ 59.485384] vfs_write+0xe7/0x3a0 dcb0 # [ 53.737240] RBP: ffffffffa660b620 R08: 00000000000000[ 59.489081] ksys_write+0x68/0xf0 [ 59.499002] do_syscall_64+0x30/0x40 01 R09: 0000000000000001 # [ 53.745207] R10: 00000000ffffe000[ 59.503014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.514864] RIP: 0033:0x7f79c5cf08f3 [ 59.518843] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.539813] RSP: 002b:00007fffeb48bad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.548258] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f79c5cf08f3 [ 59.556226] RDX: 0000000000000014 RSI: 00007f79c5be3000 RDI: 0000000000000001 [ 59.564193] RBP: 00007f79c5be3000 R08: 00007f79c5be2010 R09: 0000000000000000 [ 59.572160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.580127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.753174] R[ 59.588099] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.620730] CR2: ffffffffa662c330 [ 59.624426] ---[ end trace 633e44de706942ed ]--- [ 59.629581] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.633964] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 59.654963] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 59.660796] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.668763] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 59.676730] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 59.684698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.692664] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 59.700631] FS: 00007f79c5dda580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 59.709666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.716080] CR2: ffffffffa662c330 CR3: 00000001057f2006 CR4: 00000000003706e0 13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 53.761144] FS: 00007f8adb668580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 53.770180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.776595] CR2: ffffffffa7e08660 CR3: 0000000104024005 CR4: 00000000003706f0 # [ 53.784564] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.794474] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1638, name: cat # [ 53.802929] INFO: lockdep is turned off. # [ 53.807302] irq event stamp: 0 # [ 53.810708] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.817704] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.826838] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.835971] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.842960] CPU: 0 PID: 1638 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 53.851606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.858408] Call Trace: # [ 53.861136] dump_stack+0x77/0x9b # [ 53.864839] ___might_sleep.cold+0xa6/0xb6 # [ 53.869417] exit_signals+0x1c/0x2e0 # [ 53.873404] do_exit+0xd5/0xb00 # [ 53.876907] ? ksys_write+0x68/0xf0 # [ 53.880792] rewind_stack_do_exit+0x17/0x20 # [ 53.885465] RIP: 0[ 59.856916] lkdtm: Performing direct entry WRITE_KERN [ 59.866557] lkdtm: attempting bad 6672827 byte write at ffffffffa5b3d59b [ 59.874056] BUG: unable to handle page fault for address: ffffffffa5b3d59b [ 59.881738] #PF: supervisor write access in kernel mode [ 59.887572] #PF: error_code(0x0003) - permissions violation [ 59.893783] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 704000e1 [ 59.900492] Oops: 0003 [#16] SMP PTI [ 59.904479] CPU: 3 PID: 2029 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 59.913127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.919933] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 59.925108] Code: 53 48 c7 c3 9b d5 b3 a5 49 89 dc 48 89 da 49 81 ec e0 03 4e a5 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 4e a5 a4 48 c7 c7 90 10 5b a6 e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 59.946087] RSP: 0018:ffffaf1b8271fe50 EFLAGS: 00010246 [ 59.951917] RAX: 000000000000003c RBX: ffffffffa5b3d59b RCX: 000000000065d1bb [ 59.959884] RDX: 0000000000000000 RSI: ffffffffa54e03e0 RDI: ffffffffa5b3d59b [ 59.967852] RBP: ffffffffa65b029a R08: 0000000000000000 R09: 0000000000000000 [ 59.975819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065d1bb [ 59.983788] R13: ffffaf1b8271ff10 R14: ffffaf1b8271ff10 R15: ffffa045829d9000 [ 59.991756] FS: 00007f5f69c93580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 60.000791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.007205] CR2: ffffffffa5b3d59b CR3: 0000000105760002 CR4: 00000000003706e0 [ 60.015172] Call Trace: [ 60.017898] direct_entry.cold+0x2c/0x38 [ 60.022277] full_proxy_write+0x53/0x80 [ 60.026557] vfs_write+0xe7/0x3a0 [ 60.030254] ksys_write+0x68/0xf0 [ 60.033967] do_syscall_64+0x30/0x40 [ 60.037957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.043596] RIP: 0033:0x7f5f69ba98f3 [ 60.047583] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.068563] RSP: 002b:00007fff6d3b4cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.077017] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5f69ba98f3 [ 60.084985] RDX: 000000000000000b RSI: 00007f5f69a9c000 RDI: 0000000000000001 [ 60.092964] RBP: 00007f5f69a9c000 R08: 00007f5f69a9b010 R09: 0000000000000000 [ 60.100933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.108900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.116871] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 033:0x7f8adb57e8f3 # [ 53.889453] Code: 8b 15 a1 25 0e 00 f7 [ 60.143330] CR2: ffffffffa5b3d59b [ 60.153239] ---[ end trace 633e44de706942ee ]--- [ 60.158394] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.162769] Code: 89 ff e8 5e a6 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 00 86 92 02 [ 60.183749] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 [ 60.189581] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.197548] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 [ 60.205515] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 [ 60.213484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.221451] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 [ 60.229421] FS: 00007f5f69c93580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 60.238450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.244865] CR2: ffffffffa5b3d59b CR3: 0000000105760002 CR4: 00000000003706e0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.910436] RSP: 002b:00007ffce4aa3828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.918890] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8adb57e8f3 # [ 53.926857] RDX: 000000000000000a RSI: 00007f8adb471000 RDI: 0000000000000001 # [ 53.934826] RBP: 00007f8adb471000 R08: 00007f8adb470010 R09: 0000000000000000 # [ 53.942794] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.950762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.062732] lkdtm: Performing direct entry EXEC_STACK # [ 54.070052] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ 54.076601] lkdtm: attempting bad execution at ffffaf1b82207e18 # [ 54.083267] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.091631] BUG: unable to handle page fault for address: [ 60.362943] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ffffaf1b82207e18 # [ 54.105521] #PF: supervisor instruction f[ 60.371463] lkdtm: attempting good refcount_inc() without overflow etch in kernel mode # [ 54.111840] #PF: error_code(0x0011) - [ 60.384587] lkdtm: attempting bad refcount_inc() overflow permissions violation # [ 54.118062] PGD 100000067 P4D 100000[ 60.396826] ------------[ cut here ]------------ [ 60.408198] refcount_t: saturated; leaking memory. 067 PUD 10020b067 PMD 1064c7067 PTE 8000000103421063 # [ 54.1[ 60.413578] WARNING: CPU: 1 PID: 2064 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 33319] Oops: 0011 [#6] SMP PTI # [ 54.137213] CPU: 3 PID: 167[ 60.429187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ [ 60.461822] CPU: 1 PID: 2064 Comm: cat Tainted: G D W 5.10.158-cip21 #1 54.145862] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 60.476684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 54.152670] RIP: 0010:0xffffaf1b82207e18 # [ 54.15704[ 60.489708] RIP: 0010:refcount_warn_saturate+0x51/0x110 9] Code: 00 00 18 7e 20 82 1b af ff ff f1 d5 b3 a5 ff ff ff ff 2[ 60.501758] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 0 00 00 00 00 00 00 00 16 02 5b a6 ff ff ff ff 20 d7 b3 a5 ff ff[ 60.528966] RSP: 0018:ffffaf1b82807e48 EFLAGS: 00010286 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 4[ 60.541015] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 4 00 00 55 # [ 54.178031] RSP: 0018:ffffaf1b82207df8 EFLAGS: [ 60.555205] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 00010246 # [ 54.183862] RAX: 0000000000000033 RBX: 0000000000[ 60.569393] RBP: ffffffffa65b02a5 R08: 0000000000000000 R09: 0000000000000000 000001 RCX: 0000000000000000 # [ 54.191830] RDX: 000000000000[ 60.583577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 # [ 54.19979[ 60.597763] R13: ffffaf1b82807f10 R14: ffffaf1b82807f10 R15: ffffa0458305a000 8] RBP: ffffaf1b82207e18 R08: 0000000000000000 R09: 000000000000[ 60.611967] FS: 00007fa603535580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 0000 # [ 54.207764] R10: 00000000ffffe000 R11: 3fffffffffffff[ 60.627245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff R12: 000000000000000b # [ 54.215732] R13: ffffaf1b82207f10[ 60.639856] CR2: 00007fa60333e000 CR3: 00000001035dc006 CR4: 00000000003706e0 [ 60.654038] Call Trace: R14: ffffaf1b82207f10 R15: ffffa04583367000 # [ 54.223701] F[ 60.656789] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 S: 00007fd18a010580(0000) GS:ffffa045fad80000(0000) knlGS:00000[ 60.668327] direct_entry.cold+0x2c/0x38 00000000000 # [ 54.232735] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 60.678922] full_proxy_write+0x53/0x80 000000080050033 # [ 54.239148] CR2: ffffaf1b82207e18 CR3: 000[ 60.689418] vfs_write+0xe7/0x3a0 00001026fa001 CR4: 00000000003706e0 # [ 54.247114] Call Trace[ 60.699331] ksys_write+0x68/0xf0 : # [ 54.249844] ? execute_location+0x45/0x56 # [ 54.2605[ 60.709245] do_syscall_64+0x30/0x40 33] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.265020] ? direct_en[ 60.719450] entry_SYSCALL_64_after_hwframe+0x61/0xc6 try.cold+0x2c/0x38 # [ 54.269591] ? full_proxy_write+0x53/0x[ 60.731304] RIP: 0033:0x7fa60344b8f3 [ 60.741510] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 80 # [ 54.274058] ? vfs_write+0xe7/0x3a0 # [ 54.277948] [ 60.762492] RSP: 002b:00007ffc9ecae0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.777158] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa60344b8f3 ? ksys_write+0x68/0xf0 # [ 54.281832] ? do_syscall_64+0x30/0[ 60.785132] RDX: 0000000000000016 RSI: 00007fa60333e000 RDI: 0000000000000001 [ 60.799312] RBP: 00007fa60333e000 R08: 00007fa60333d010 R09: 0000000000000000 x40 # [ 54.286019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc[ 60.807286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.821463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6 # [ 54.291855] Modules linked in: fuse ip_tables cros_ec_se[ 60.829459] irq event stamp: 0 [ 60.839052] hardirqs last enabled at (0): [<0000000000000000>] 0x0 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 60.846055] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 uf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs c[ 60.861403] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_de[ 60.876753] softirqs last disabled at (0): [<0000000000000000>] 0x0 v cros_usbpd_notify # [ 54.318315] CR2: ffffaf1b82207e18 # [[ 60.889969] ---[ end trace 633e44de706942ef ]--- [ 60.901338] lkdtm: Overflow detected: saturated 54.322020] ---[ end trace 633e44de706942e4 ]--- # [ 54.327164] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.331539] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 54.352518] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 54.358350] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.366318] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 54.374286] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 54.382253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.390221] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 54.398187] FS: 00007fd18a010580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 54.407222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.413635] CR2: ffffaf1b82207e18 CR3: 00000001026fa001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALL[ 61.014978] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW OC.sh # Killed # [ 54.503949] lkdtm: Performing direct entry[ 61.024973] lkdtm: attempting good refcount_add() without overflow EXEC_KMALLOC # [ 54.514493] lkdtm: attempting ok execution a[ 61.038095] lkdtm: attempting bad refcount_add() overflow [ 61.050334] ------------[ cut here ]------------ t ffffffffa54e03e0 # [ 54.521013] lkdtm: attempting bad execu[ 61.055490] refcount_t: saturated; leaking memory. tion at ffffa04584179900 # [ 54.527638] kernel tried to execu[ 61.067081] WARNING: CPU: 1 PID: 2096 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 te NX-protected page - exploit attempt? (uid: 0) # [ 54.53602[ 61.082693] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0] BUG: unable to handle page fault for address: ffffa0458417990[ 61.115328] CPU: 1 PID: 2096 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0 # [ 54.549911] #PF: supervisor instruction fetch in kernel [ 61.130193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 mode # [ 54.556231] #PF: error_code(0x0011) - permissions vio[ 61.143220] RIP: 0010:refcount_warn_saturate+0x51/0x110 lation # [ 54.562453] PGD 72a01067 P4D 72a01067 PUD 10084c063[ 61.155267] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 PMD 1054f4063 PTE 8000000104179063 # [ 54.577515] Oops: 0011[ 61.182464] RSP: 0018:ffffaf1b8289fe48 EFLAGS: 00010286 [#7] SMP PTI # [ 54.581407] CPU: 3 PID: 1710 Comm: cat Taint[ 61.194540] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ed: G D W 5.10.158-cip21 #1 # [ 54.590053] Hardw[ 61.208730] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 [ 61.222915] RBP: ffffffffa65b02bb R08: 0000000000000000 R09: 0000000000000000 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.59685[ 61.230888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.245069] R13: ffffaf1b8289ff10 R14: ffffaf1b8289ff10 R15: ffffa045865c1000 8] RIP: 0010:0xffffa04584179900 # [ 54.601235] Code: ad de 40[ 61.253044] FS: 00007fe0d470e580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 61.268293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5b c8 84 45 a0 ff ff 80 9e 17 84 45 a0 ff ff 00 00 00 00 00 00 [ 61.274713] CR2: 00007fe0d4517000 CR3: 00000001035dc005 CR4: 00000000003706e0 [ 61.288894] Call Trace: 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44[ 61.291629] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ [ 61.303187] direct_entry.cold+0x2c/0x38 54.622212] RSP: 0018:ffffaf1b82287e38 EFLAGS: 00010246 # [ 5[ 61.313781] full_proxy_write+0x53/0x80 4.628046] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000[ 61.324279] vfs_write+0xe7/0x3a0 00000000000 # [ 54.636012] RDX: 0000000000000000 RSI: ffffa04[ 61.334194] ksys_write+0x68/0xf0 5fad9bf70 RDI: ffffa045fad9bf70 # [ 54.643982] RBP: ffffa0458[ 61.344109] do_syscall_64+0x30/0x40 4179900 R08: 0000000000000000 R09: 0000000000000000 # [ 54.65[ 61.354314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 61.366170] RIP: 0033:0x7fe0d46248f3 [ 61.376375] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000d # [ 54.659933] R13: ffffaf1b82287f10 R14: ffffaf1b822[ 61.397358] RSP: 002b:00007ffccd07f758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.412024] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe0d46248f3 87f10 R15: ffffa04582878000 # [ 54.667927] FS: 00007f08da004[ 61.419998] RDX: 0000000000000016 RSI: 00007fe0d4517000 RDI: 0000000000000001 580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ [ 61.434181] RBP: 00007fe0d4517000 R08: 00007fe0d4516010 R09: 0000000000000000 54.676964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.448365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.683378] CR2: ffffa04584179900 CR3: 000000010651c003 CR4[ 61.462551] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00000000003706e0 # [ 54.691345] Call Trace: # [ 54.69407[ 61.476743] irq event stamp: 0 4] ? execute_location+0x45/0x56 # [ 54.698549] ? lkdtm_EXEC[ 61.486362] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _KMALLOC+0x2c/0x40 # [ 54.703215] ? direct_entry.cold+0x2c/0[ 61.499579] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 x38 # [ 54.707787] ? full_proxy_write+0x53/0x80 # [ 54.71[ 61.514932] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 2260] ? vfs_write+0xe7/0x3a0 # [ 54.716144] ? ksys_write+0x[ 61.530282] softirqs last disabled at (0): [<0000000000000000>] 0x0 68/0xf0 # [ 54.720035] ? do_syscall_64+0x30/0x40 # [ 54.7[ 61.543499] ---[ end trace 633e44de706942f0 ]--- 24210] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.730[ 61.554870] lkdtm: Overflow detected: saturated 046] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.756499] CR2: ffffa04584179900 # [ 54.766406] ---[ end trace 633e44de706942e5 ]--- # [ 54.771558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.775933] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 54.796935] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 54.802766] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.810734] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 54.818701] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 54.826667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.834634] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ff[ 61.669762] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.679398] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 61.686333] ------------[ cut here ]------------ [ 61.691521] refcount_t: saturated; leaking memory. ffa045830ca000 # [ 54.842600] FS: 00007f08da004580(0000) GS:[ 61.696886] WARNING: CPU: 3 PID: 2128 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 61.712519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffa045fad80000(0000) knlGS:0000000000000000 # [ 54.851637] [ 61.738980] CPU: 3 PID: 2128 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 61.753862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.8580[ 61.760684] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.772724] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 [ 61.793704] RSP: 0018:ffffaf1b828ffe38 EFLAGS: 00010282 [ 61.799539] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.807509] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 61.815480] RBP: ffffffffa65afef8 R08: 0000000000000000 R09: 0000000000000000 [ 61.823450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.831421] R13: ffffaf1b828fff10 R14: ffffaf1b828fff10 R15: ffffa04583043000 [ 61.839392] FS: 00007f5aec64f580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 61.848430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.854848] CR2: 00007f5aec458000 CR3: 0000000103046006 CR4: 00000000003706e0 [ 61.862820] Call Trace: [ 61.865552] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 61.871710] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.877967] direct_entry.cold+0x2c/0x38 52] CR2: ffffa04584179900 CR3: 000000010651c003 CR4: 00000000003[ 61.882350] full_proxy_write+0x53/0x80 [ 61.892839] vfs_write+0xe7/0x3a0 [ 61.896564] ksys_write+0x68/0xf0 [ 61.900266] do_syscall_64+0x30/0x40 [ 61.904258] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.909898] RIP: 0033:0x7f5aec5658f3 [ 61.913888] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.934870] RSP: 002b:00007ffcf2d1fed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.943328] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5aec5658f3 [ 61.951297] RDX: 000000000000001f RSI: 00007f5aec458000 RDI: 0000000000000001 [ 61.959268] RBP: 00007f5aec458000 R08: 00007f5aec457010 R09: 0000000000000000 [ 61.967238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 706e0 # [ 54.866019] BUG: sleeping function called from inval[ 61.975213] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 id context at include/linux/percpu-rwsem.h:49 # [ 54.875928] [ 61.989408] irq event stamp: 0 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1710, nam[ 61.999030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e: cat # [ 54.884382] INFO: lockdep is turned off. # [ 54.[ 62.012245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 888757] irq event stamp: 0 # [ 54.892161] hardirqs last enab[ 62.027598] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.042951] softirqs last disabled at (0): [<0000000000000000>] 0x0 led at (0): [<0000000000000000>] 0x0 # [ 54.899157] hardirqs [ 62.049952] ---[ end trace 633e44de706942f1 ]--- last disabled at (0): [] copy_process+0x640/0x[ 62.061319] lkdtm: Overflow detected: saturated 1c80 # [ 54.908289] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.917422] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.924421] CPU: 3 PID: 1710 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 54.933066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.939868] Call Trace: # [ 54.942595] dump_stack+0x77/0x9b # [ 54.946292] ___might_sleep.cold+0xa6/0xb6 # [ 54.950855] exit_signals+0x1c/0x2e0 # [ 54.954842] do_exit+0xd5/0xb00 # [ 54.958344] ? ksys_write+0x68/0xf0 # [ 54.962236] rewind_stack_do_exit+0x17/0x20 # [ 54.966904] RIP: 0033:0x7f08d9f1a8f3 # [ 54.970892] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.991869] RSP: 002b:00007ffdf0881ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.000322] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f08d9f1a8f3 # [ 55.008289] RDX: 000000000000000d RSI: 00007f08d9e0d000 RDI: 0000000000000001 # [[ 62.179380] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 55.016258] RBP: 00007f08d9e0d000 R08: 00007f08d9e0c010 R09: 0[ 62.192086] lkdtm: attempting bad refcount_add_not_zero() overflow 000000000000000 # [ 55.024226] R10: fffffffffffffbc5 R11: 000[ 62.205184] ------------[ cut here ]------------ [ 62.216552] refcount_t: saturated; leaking memory. 0000000000246 R12: 0000000000000001 # [ 55.032194] R13: 00000[ 62.221936] WARNING: CPU: 1 PID: 2160 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_[ 62.237539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMA[ 62.270196] CPU: 1 PID: 2160 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 62.285040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 LLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55[ 62.291850] RIP: 0010:refcount_warn_saturate+0x97/0x110 .140165] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.1[ 62.303892] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 51720] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ [ 62.331116] RSP: 0018:ffffaf1b829afe38 EFLAGS: 00010282 55.164467] lkdtm: attempting bad execution at ffffaf1b80379000 [ 62.343160] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.357324] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 55.177303] kernel tried to execute NX-protected page - ex[ 62.365297] RBP: ffffffffa65aff18 R08: 0000000000000000 R09: 0000000000000000 [ 62.379477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ploit attempt? (uid: 0) # [ 55.191854] BUG: unable to handle [ 62.387448] R13: ffffaf1b829aff10 R14: ffffaf1b829aff10 R15: ffffa0458569c000 [ 62.401626] FS: 00007fd6d6e3c580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 page fault for address: ffffaf1b80379000 # [ 55.199530] #PF: [ 62.410666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.423291] CR2: 00007fd6d6c45000 CR3: 0000000102796003 CR4: 00000000003706e0 supervisor instruction fetch in kernel mode # [ 55.205848] #P[ 62.431265] Call Trace: F: error_code(0x0011) - permissions violation # [ 55.212066] [ 62.440225] __refcount_add_not_zero.constprop.0+0x2a/0x35 PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100808067 PTE 8000[ 62.452548] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 000103041063 # [ 55.221110] Oops: 0011 [#8] SMP PTI # [ 55[ 62.464986] direct_entry.cold+0x2c/0x38 .225013] CPU: 0 PID: 1746 Comm: cat Tainted: G D W [ 62.475601] full_proxy_write+0x53/0x80 5.10.158-cip21 #1 # [ 55.233661] Hardware name: Google Rammus[ 62.486098] vfs_write+0xe7/0x3a0 /Rammus, BIOS 09/04/2020 # [ 55.240466] RIP: 0010:0xffffaf1b[ 62.496014] ksys_write+0x68/0xf0 80379000 # [ 55.244842] Code: Unable to access opcode bytes a[ 62.505931] do_syscall_64+0x30/0x40 [ 62.516159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 t RIP 0xffffaf1b80378fd6. # [ 55.252509] RSP: 0018:ffffaf1b82[ 62.521803] RIP: 0033:0x7fd6d6d528f3 317e38 EFLAGS: 00010246 # [ 55.258341] RAX: 0000000000000033 [ 62.532002] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.266308] RD[ 62.559198] RSP: 002b:00007ffd72e11f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.573870] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd6d6d528f3 X: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 [ 62.581846] RDX: 000000000000001f RSI: 00007fd6d6c45000 RDI: 0000000000000001 [ 62.596027] RBP: 00007fd6d6c45000 R08: 00007fd6d6c44010 R09: 0000000000000000 # [ 55.274276] RBP: ffffaf1b80379000 R08: 0000000000000000 R0[ 62.604014] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.618192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9: 0000000000000000 # [ 55.282244] R10: 00000000ffffe000 R11:[ 62.626187] irq event stamp: 0 [ 62.635781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3fffffffffffffff R12: 000000000000000d # [ 55.290211] R13: f[ 62.642786] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.658130] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 fffaf1b82317f10 R14: ffffaf1b82317f10 R15: ffffa04583041000 # [[ 62.667268] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.680477] ---[ end trace 633e44de706942f2 ]--- 55.298180] FS: 00007f767e1b1580(0000) GS:ffffa045fac00000(00[ 62.685633] lkdtm: Overflow detected: saturated 00) knlGS:0000000000000000 # [ 55.307215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.313627] CR2: ffffaf1b80378fd6 CR3: 000000010549e004 CR4: 00000000003706f0 # [ 55.321595] Call Trace: # [ 55.324323] ? execute_location+0x45/0x56 # [ 55.328796] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.333468] ? direct_entry.cold+0x2c/0x38 # [ 55.338039] ? full_proxy_write+0x53/0x80 # [ 55.342514] ? vfs_write+0xe7/0x3a0 # [ 55.346405] ? ksys_write+0x68/0xf0 # [ 55.350288] ? do_syscall_64+0x30/0x40 # [ 55.354462] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.360296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.386732] CR2: ffffaf1b80379000 # [ 55.390419] ---[ end trace 633e44de706942e6 ]--- # [ 55.395571] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.399962] Code: 89 ff e8 5e a6 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 [ 62.803544] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 62.815101] lkdtm: attempting good refcount_dec() [ 62.820410] lkdtm: attempting bad refcount_dec() to zero 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 62.826354] ------------[ cut here ]------------ 00 86 92 02 # [ 55.420964] RSP: 0018:ffffaf1b8146fe60 EFLAGS[ 62.837719] refcount_t: decrement hit 0; leaking memory. [ 62.849896] WARNING: CPU: 3 PID: 2192 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 00010282 # [ 55.426798] RAX: ffffffffa54e0010 RBX: 00000000[ 62.859331] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000001 RCX: 0000000000000000 # [ 55.434756] RDX: 0000000000[ 62.891977] CPU: 3 PID: 2192 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 62.906837] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.913653] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 62.919489] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 62.940472] RSP: 0018:ffffaf1b829e7e48 EFLAGS: 00010286 [ 62.946309] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 62.954280] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 62.962249] RBP: ffffffffa65b02d1 R08: 0000000000000000 R09: 0000000000000000 [ 62.970221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 62.978191] R13: ffffaf1b829e7f10 R14: ffffaf1b829e7f10 R15: ffffa0458356b000 [ 62.986163] FS: 00007f8c52470580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 62.995203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.001623] CR2: 00007f8c52279000 CR3: 0000000103164004 CR4: 00000000003706e0 [ 63.009594] Call Trace: [ 63.012325] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 55.442[ 63.017315] direct_entry.cold+0x2c/0x38 [ 63.027902] full_proxy_write+0x53/0x80 [ 63.032218] vfs_write+0xe7/0x3a0 724] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000[ 63.035970] ksys_write+0x68/0xf0 000001 # [ 55.450691] R10: 00000000ffffe000 R11: 3fffffffffff[ 63.045884] do_syscall_64+0x30/0x40 [ 63.056090] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.061732] RIP: 0033:0x7f8c523868f3 [ 63.065723] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.086705] RSP: 002b:00007ffd4d230b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.095188] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8c523868f3 [ 63.103159] RDX: 0000000000000012 RSI: 00007f8c52279000 RDI: 0000000000000001 ffff R12: 0000000000000004 # [ 55.458658] R13: ffffaf1b8146ff[ 63.111132] RBP: 00007f8c52279000 R08: 00007f8c52278010 R09: 0000000000000000 10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 55.466625][ 63.125320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.139508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.147502] irq event stamp: 0 FS: 00007f767e1b1580(0000) GS:ffffa045fac00000(0000) knlGS:000[ 63.150920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.164131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.173268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.182404] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.189404] ---[ end trace 633e44de706942f3 ]--- [ 63.194560] lkdtm: Zero detected: saturated 0000000000000 # [ 55.475662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.482077] CR2: ffffaf1b80378fd6 CR3: 000000010549e004 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.673008] lkdtm: Performing direct entry EXEC_RODATA # [ 55.682311] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ 55.688880] lkdtm: attempting bad execution at ffffffffa61ce140 # [ 55.695509] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.710068] BUG: unable to handle page fault for address: ffffffffa61ce140 # [ 55.717745] #PF: supervisor instruction fetch in kernel mode # [ 55.724060] #PF: error_code(0x0011) - permissions violation # [ 55.730281] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 8000000070a000e1 # [ 55.737767] Oops: 0011 [#9] SMP PTI # [ 55.741650] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 55.750298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.757102] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.762[ 63.310145] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 835] Code: ff ff 90 eb b3 a5 ff ff ff ff 62 04 5b a6 ff ff ff ff[ 63.317852] lkdtm: attempting bad refcount_dec() below zero d6 d2 b3 a5 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 [ 63.330296] ------------[ cut here ]------------ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68[ 63.341663] refcount_t: decrement hit 0; leaking memory. 69 73 20 69 # [ 55.783815] RSP: 0018:ffffaf1b823afe48 EFLAGS[ 63.353838] WARNING: CPU: 1 PID: 2227 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 00010246 # [ 55.789639] RAX: 0000000000000033 RBX: 00000000[ 63.369451] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000 RCX: 0000000000000000 # [ 55.797607] RDX: 0000000000[ 63.402089] CPU: 1 PID: 2227 Comm: cat Tainted: G D W 5.10.158-cip21 #1 000000 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 55.805[ 63.416956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 576] RBP: ffffffffa61ce140 R08: 0000000000000000 R09: 0000000000[ 63.429981] RIP: 0010:refcount_warn_saturate+0xfb/0x110 000000 # [ 55.813545] R10: 00000000ffffe000 R11: 3fffffffffff[ 63.442034] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ffff R12: 000000000000000c # [ 55.821513] R13: ffffaf1b823aff[ 63.469234] RSP: 0018:ffffaf1b82aa7e48 EFLAGS: 00010286 10 R14: ffffaf1b823aff10 R15: ffffa04582722000 # [ 55.829482][ 63.481307] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 FS: 00007ff762ebf580(0000) GS:ffffa045fad00000(0000) knlGS:000[ 63.495472] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 0000000000000 # [ 55.838517] CS: 0010 DS: 0000 ES: 0000 CR0:[ 63.509654] RBP: ffffffffa65b02e3 R08: 0000000000000000 R09: 0000000000000000 [ 63.523841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000000080050033 # [ 55.844930] CR2: ffffffffa61ce140 CR3: 0[ 63.531814] R13: ffffaf1b82aa7f10 R14: ffffaf1b82aa7f10 R15: ffffa045857fc000 000000104024005 CR4: 00000000003706e0 # [ 55.852897] Call Tra[ 63.546015] FS: 00007feda1bec580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 ce: # [ 55.855624] ? execute_location+0x45/0x56 # [ 55.86[ 63.561269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.573902] CR2: 00007feda19f5000 CR3: 00000001048dc002 CR4: 00000000003706e0 0099] ? direct_entry.cold+0x2c/0x38 # [ 55.864671] ? full_p[ 63.581873] Call Trace: roxy_write+0x53/0x80 # [ 55.869144] ? vfs_write+0xe7/0x3a0 [ 63.590833] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 55.873036] ? ksys_write+0x68/0xf0 # [ 55.876928] ? do[ 63.602380] direct_entry.cold+0x2c/0x38 _syscall_64+0x30/0x40 # [ 55.881111] ? entry_SYSCALL_64_afte[ 63.612976] full_proxy_write+0x53/0x80 r_hwframe+0x61/0xc6 # [ 55.886955] Modules linked in: fuse ip[ 63.623472] vfs_write+0xe7/0x3a0 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 63.633384] ksys_write+0x68/0xf0 red_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar[ 63.643299] do_syscall_64+0x30/0x40 cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_[ 63.653503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 thermal cros_ec_dev cros_usbpd_notify # [ 55.919601] CR2: fff[ 63.665358] RIP: 0033:0x7feda1b028f3 fffffa61ce140 # [ 55.923289] ---[ end trace 633e44de706942e7 [ 63.675563] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ]--- # [ 55.928433] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.93[ 63.702764] RSP: 002b:00007ffe3c3c69e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.717435] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feda1b028f3 2808] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c[ 63.725409] RDX: 0000000000000016 RSI: 00007feda19f5000 RDI: 0000000000000001 [ 63.739594] RBP: 00007feda19f5000 R08: 00007feda19f4010 R09: 0000000000000000 7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f[ 63.747570] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.761754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 0[ 63.769736] irq event stamp: 0 5 00 86 92 02 # [ 55.953787] RSP: 0018:ffffaf1b8146fe60 EFLAG[ 63.779348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S: 00010282 # [ 55.959619] RAX: ffffffffa54e0010 RBX: 0000000[ 63.792567] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000001 RCX: 0000000000000000 # [ 55.967587] RDX: 000000000[ 63.807923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 55.97[ 63.823281] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.836501] ---[ end trace 633e44de706942f4 ]--- 5555] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 000000000[ 63.841659] lkdtm: Negative detected: saturated 0000001 # [ 55.983522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.991491] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 55.999460] FS: 00007ff762ebf580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 56.008498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.014912] CR2: ffffffffa61ce140 CR3: 0000000104024005 CR4: 00000000003706e0 # [ 56.022880] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.032788] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1782, name: cat # [ 56.041241] INFO: lockdep is turned off. # [ 56.045616] irq event stamp: 0 # [ 56.049020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.056020] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.065154] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.074284] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.081281] CPU: 2 PID: 1782 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 56.089929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.096[ 63.969464] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 63.978608] lkdtm: attempting bad refcount_dec_and_test() below zero [ 63.985712] ------------[ cut here ]------------ 731] Call Trace: # [ 56.099459] dump_stack+0x77/0x9b # [ [ 63.990871] refcount_t: underflow; use-after-free. 56.103156] ___might_sleep.cold+0xa6/0xb6 # [ 56.107728] exi[ 64.002445] WARNING: CPU: 2 PID: 2262 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 t_signals+0x1c/0x2e0 # [ 56.111715] do_exit+0xd5/0xb00 # [ [ 64.018079] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.050773] CPU: 2 PID: 2262 Comm: cat Tainted: G D W 5.10.158-cip21 #1 56.115216] ? ksys_write+0x68/0xf0 # [ 56.119108] rewind_s[ 64.059439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.072450] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.078293] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.099275] RSP: 0018:ffffaf1b82b1fe40 EFLAGS: 00010286 [ 64.105137] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.113108] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 [ 64.121080] RBP: ffffffffa65aff38 R08: 0000000000000000 R09: 0000000000000000 [ 64.129051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.137027] R13: ffffaf1b82b1ff10 R14: ffffaf1b82b1ff10 R15: ffffa04582792000 [ 64.145015] FS: 00007f85fdc04580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 64.154056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.160475] CR2: 00007f85fda0d000 CR3: 00000001028fa003 CR4: 00000000003706e0 [ 64.168446] Call Trace: [ 64.171178] __refcount_sub_and_test.constprop.0+0x3c/0x50 tack_do_exit+0x17/0x20 # [ 56.123775] RIP: 0033:0x7ff762dd58f[ 64.177334] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.189766] direct_entry.cold+0x2c/0x38 [ 64.194179] full_proxy_write+0x53/0x80 [ 64.198494] vfs_write+0xe7/0x3a0 [ 64.202227] ksys_write+0x68/0xf0 3 # [ 56.127761] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7[ 64.205970] do_syscall_64+0x30/0x40 [ 64.216173] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.221836] RIP: 0033:0x7f85fdb1a8f3 [ 64.225853] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.246836] RSP: 002b:00007fffb7530bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.255320] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f85fdb1a8f3 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 64.263295] RDX: 000000000000001f RSI: 00007f85fda0d000 RDI: 0000000000000001 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 64.277479] RBP: 00007f85fda0d000 R08: 00007f85fda0c010 R09: 0000000000000000 [ 64.291666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.299637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.307631] irq event stamp: 0 48 83 ec 28 48 89 54 24 18 # [ 56.148738] RSP: 002b:00007ffe[ 64.311049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.324259] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.333420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.342555] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.349556] ---[ end trace 633e44de706942f5 ]--- [ 64.354711] lkdtm: Negative detected: saturated 78a779c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.157191] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff762dd58f3 # [ 56.165158] RDX: 000000000000000c RSI: 00007ff762cc8000 RDI: 0000000000000001 # [ 56.173124] RBP: 00007ff762cc8000 R08: 00007ff762cc7010 R09: 0000000000000000 # [ 56.181090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.189057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.305485] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.314986] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ 56.327745] lkdtm: attempting bad execution at 00007f057532e000 # [ 56.340562] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.353170] BUG: unable to handle page fault for address: 00007f057532e000 # [ 56.360848] #PF: supervisor instruction fetch in kernel mode # [ 56.367158] #PF: error_code(0x0011) - permissions violation # [ 56.373379] PGD 80000001054dc067 P4D 80000001054dc067 PUD 103[ 64.470903] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 171067 PMD 1026ce067 PTE 106ea5067 # [ 56.389316] Oops: 0011 [ 64.479305] lkdtm: attempting bad refcount_sub_and_test() below zero [#10] SMP PTI # [ 56.393306] CPU: 1 PID: 1818 Comm: cat Taint[ 64.492621] ------------[ cut here ]------------ ed: G D W 5.10.158-cip21 #1 # [ 56.401968] Hardw[ 64.503980] refcount_t: underflow; use-after-free. are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.40877[ 64.515578] WARNING: CPU: 0 PID: 2297 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 4] RIP: 0010:0x7f057532e000 # [ 56.412761] Code: Unable to ac[ 64.531208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cess opcode bytes at RIP 0x7f057532dfd6. # [ 56.420049] RSP: [ 64.563859] CPU: 0 PID: 2297 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0018:ffffaf1b8244fe50 EFLAGS: 00010246 # [ 56.425874] RAX: 00[ 64.578730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ [ 64.591764] RIP: 0010:refcount_warn_saturate+0xba/0x110 56.433841] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ff[ 64.603871] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 ffa045fac9bf70 # [ 56.441808] RBP: 00007f057532e000 R08: 0000[ 64.631091] RSP: 0018:ffffaf1b82bbfe40 EFLAGS: 00010286 000000000000 R09: 0000000000000000 # [ 56.449775] R10: 000000[ 64.643116] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56[ 64.657284] RDX: ffffa045fac2c660 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 .457742] R13: ffffaf1b8244ff10 R14: ffffaf1b8244ff10 R15: ffffa0[ 64.671468] RBP: ffffffffa65aff58 R08: 0000000000000000 R09: 0000000000000000 45834c4000 # [ 56.465710] FS: 00007f05752ff580(0000) GS:ffff[ 64.685735] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f a045fac80000(0000) knlGS:0000000000000000 # [ 56.474740] CS: [ 64.699924] R13: ffffaf1b82bbff10 R14: ffffaf1b82bbff10 R15: ffffa04584923000 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.481155] [ 64.714077] FS: 00007fee164e7580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 CR2: 00007f057532e000 CR3: 000000010574a003 CR4: 00000000003706e[ 64.729386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 56.489122] Call Trace: # [ 56.491852] ? lkdtm_EXEC_[ 64.741978] CR2: 00007fee162f0000 CR3: 0000000103044001 CR4: 00000000003706f0 USERSPACE.cold+0x66/0xae # [ 56.497200] ? direct_entry.cold+[ 64.756155] Call Trace: 0x2c/0x38 # [ 56.507985] ? full_proxy_write+0x53/0x80 # [ [ 64.765112] __refcount_sub_and_test.constprop.0+0x3c/0x50 56.512461] ? vfs_write+0xe7/0x3a0 # [ 56.522565] ? ksys_wr[ 64.777467] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ite+0x68/0xf0 # [ 56.526456] ? do_syscall_64+0x30/0x40 # [ [ 64.789902] direct_entry.cold+0x2c/0x38 56.530628] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 64.800494] full_proxy_write+0x53/0x80 56.536465] Modules linked in: fuse ip_tables cros_ec_sensors cro[ 64.810993] vfs_write+0xe7/0x3a0 s_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust[ 64.820921] ksys_write+0x68/0xf0 rialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_ch[ 64.830839] do_syscall_64+0x30/0x40 ardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_us[ 64.841067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 bpd_notify # [ 56.569102] CR2: 00007f057532e000 # [ 56.572[ 64.852945] RIP: 0033:0x7fee163fd8f3 799] ---[ end trace 633e44de706942e8 ]--- # [ 56.577964] RIP:[ 64.863111] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0010:lkdtm_BUG+0x5/0x10 # [ 56.582341] Code: 89 ff e8 5e a6 [ 64.890349] RSP: 002b:00007ffd427f8848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c[ 64.905014] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fee163fd8f3 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f [ 64.919237] RDX: 000000000000001f RSI: 00007fee162f0000 RDI: 0000000000000001 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 86 92 02 # [ 56.603[ 64.933412] RBP: 00007fee162f0000 R08: 00007fee162ef010 R09: 0000000000000000 321] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 56.60915[ 64.947597] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 2] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 000000000000[ 64.961822] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 # [ 56.617120] RDX: 0000000000000000 RSI: ffffa045fac1bf[ 64.976053] irq event stamp: 0 70 RDI: ffffffffa61cdcb0 # [ 56.625088] RBP: ffffffffa660b620[ 64.985677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.633055] R[ 64.998879] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004[ 65.014293] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.641021] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R[ 65.029608] softirqs last disabled at (0): [<0000000000000000>] 0x0 15: ffffa045830ca000 # [ 56.648989] FS: 00007f05752ff580(000[ 65.042852] ---[ end trace 633e44de706942f6 ]--- 0) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 56.65[ 65.054268] lkdtm: Negative detected: saturated 8025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.664438] CR2: 00007f057532e000 CR3: 000000010574a003 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.771099] lkdtm: Performing direct entry EXEC_NULL # [ 56.777400] lkdtm: attempting ok execution at ffffffffa54e03e0 # [ 56.790135] lkdtm: attempting bad execution at 0000000000000000 # [ 56.802974] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.816957] #PF: supervisor instruction fetch in kernel mode # [ 56.823277] #PF: error_code(0x0010) - not-present page # [ 56.829014] PGD 0 P4D 0 # [ 56.831842] Oops: 0010 [#11] SMP PTI # [ 56.842043] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 56.850691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.857495] RIP: 0010:0x0 # [ 56.860406] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.868082] RSP: 0018:ffffaf1b824d7e48 EFLAGS: 00010246 # [ 56.873913] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.881882] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 56.889851] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.897820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.905790] R13: ffffaf1b824d7f10 R14: fff[ 65.204011] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.214768] lkdtm: attempting safe refcount_inc_not_zero() from zero faf1b824d7f10 R15: ffffa0458356b000 # [ 56.913757] FS: 00007[ 65.221870] lkdtm: Good: zero detected fa934303580(0000) GS:ffffa045fac80000(0000) knlGS:00000000000000[ 65.232286] lkdtm: Correctly stayed at zero [ 65.243146] lkdtm: attempting bad refcount_inc() from zero 00 # [ 56.922795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 65.249275] ------------[ cut here ]------------ 050033 # [ 56.929202] CR2: ffffffffffffffd6 CR3: 00000001028d[ 65.260641] refcount_t: addition on 0; use-after-free. c002 CR4: 00000000003706e0 # [ 56.937171] Call Trace: # [ [ 65.272625] WARNING: CPU: 1 PID: 2329 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 56.939899] execute_location+0x45/0x56 # [ 56.944181] direct[ 65.288235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _entry.cold+0x2c/0x38 # [ 56.954772] full_proxy_write+0x53/0[ 65.320895] CPU: 1 PID: 2329 Comm: cat Tainted: G D W 5.10.158-cip21 #1 x80 # [ 56.959054] vfs_write+0xe7/0x3a0 # [ 56.962752] k[ 65.335739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 sys_write+0x68/0xf0 # [ 56.966450] do_syscall_64+0x30/0x40 [ 65.348760] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 56.970440] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 65.360817] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 a6 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 56.976078] RIP: 0033:0x7fa9342198f3 # [ 56.980057] Code: 8b[ 65.388019] RSP: 0018:ffffaf1b82a4fe48 EFLAGS: 00010286 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 65.400072] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 65.414261] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.428452] RBP: ffffffffa65b02f9 R08: 0000000000000000 R09: 0000000000000000 # [ 57.001040] RSP: 002b:00007ffc63cdaa78 EFLAGS: 00000246 OR[ 65.442642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 IG_RAX: 0000000000000001 # [ 57.009495] RAX: ffffffffffffffda[ 65.456836] R13: ffffaf1b82a4ff10 R14: ffffaf1b82a4ff10 R15: ffffa045831bd000 RBX: 000000000000000a RCX: 00007fa9342198f3 # [ 57.017463] R[ 65.471025] FS: 00007f8e941fd580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 DX: 000000000000000a RSI: 00007fa93410c000 RDI: 0000000000000001[ 65.486280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.498917] CR2: 00007f8e94006000 CR3: 0000000106590002 CR4: 00000000003706e0 # [ 57.025432] RBP: 00007fa93410c000 R08: 00007fa93410b010 R[ 65.506891] Call Trace: 09: 0000000000000000 # [ 57.033400] R10: fffffffffffffbc5 R11[ 65.515835] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 : 0000000000000246 R12: 0000000000000001 # [ 57.041366] R13: [ 65.527015] direct_entry.cold+0x2c/0x38 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.537611] full_proxy_write+0x53/0x80 [ 57.049339] Modules linked in: fuse ip_tables cros_ec_sensors[ 65.548108] vfs_write+0xe7/0x3a0 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 65.558025] ksys_write+0x68/0xf0 dustrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_e[ 65.567943] do_syscall_64+0x30/0x40 c_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro[ 65.578152] entry_SYSCALL_64_after_hwframe+0x61/0xc6 s_usbpd_notify # [ 57.081973] CR2: 0000000000000000 # [ 57[ 65.590009] RIP: 0033:0x7f8e941138f3 .085669] ---[ end trace 633e44de706942e9 ]--- # [ 57.090824] [ 65.600217] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.095200] Code: 89 ff e8 5e[ 65.627420] RSP: 002b:00007fffa4610ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc [ 65.642091] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8e941138f3 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f[ 65.656283] RDX: 0000000000000012 RSI: 00007f8e94006000 RDI: 0000000000000001 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 86 92 02 # [ 57[ 65.670475] RBP: 00007f8e94006000 R08: 00007f8e94005010 R09: 0000000000000000 .116179] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 57.1[ 65.684660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 22020] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 00000000[ 65.698857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 # [ 57.129988] RDX: 0000000000000000 RSI: ffffa045fa[ 65.713051] irq event stamp: 0 c1bf70 RDI: ffffffffa61cdcb0 # [ 57.137962] RBP: ffffffffa660[ 65.722666] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b620 R08: 0000000000000001 R09: 0000000000000001 # [ 57.14593[ 65.735885] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 65.751239] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.766592] softirqs last disabled at (0): [<0000000000000000>] 0x0 0004 # [ 57.153899] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff[ 65.773595] ---[ end trace 633e44de706942f7 ]--- 10 R15: ffffa045830ca000 # [ 57.161868] FS: 00007fa934303580[ 65.784969] lkdtm: Zero detected: saturated (0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 57.170896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.177310] CR2: ffffffffffffffd6 CR3: 00000001028dc002 CR4: 00000000003706e0 # [ 57.185279] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.195189] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1854, name: cat # [ 57.203642] INFO: lockdep is turned off. # [ 57.208017] irq event stamp: 0 # [ 57.211421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.218419] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.227553] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.236688] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.243677] CPU: 1 PID: 1854 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 57.252323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.259125] Call Trace: # [ 57.261851] dump_stack+0x77/0x9b # [ 57.265550] ___might_sleep.cold+0xa6/0xb6 # [ 57.276332] exit_signals+0x1c/0x2e0 # [ 57.280319] do_exit+0xd5/0xb00 # [ 57.283821] ? ksys_wr[ 65.910102] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.920302] lkdtm: attempting safe refcount_add_not_zero() from zero [ 65.927406] lkdtm: Good: zero detected ite+0x68/0xf0 # [ 57.287714] rewind_stack_do_exit+0x17/0x20 [ 65.931599] lkdtm: Correctly stayed at zero # [ 57.292381] RIP: 0033:0x7fa9342198f3 # [ 57.296368] Cod[ 65.942483] lkdtm: attempting bad refcount_add() from zero [ 65.954823] ------------[ cut here ]------------ [ 65.959978] refcount_t: addition on 0; use-after-free. [ 65.965744] WARNING: CPU: 3 PID: 2361 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 e: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 65.975179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.007832] CPU: 3 PID: 2361 Comm: cat Tainted: G D W 5.10.158-cip21 #1 f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05[ 66.016497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.029509] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.035343] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 a6 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 [ 66.056326] RSP: 0018:ffffaf1b82cd7e48 EFLAGS: 00010286 [ 66.062162] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.070133] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 66.078104] RBP: ffffffffa65b030b R08: 0000000000000000 R09: 0000000000000000 [ 66.086075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.094046] R13: ffffaf1b82cd7f10 R14: ffffaf1b82cd7f10 R15: ffffa0458315c000 [ 66.102016] FS: 00007fa32adbf580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 [ 66.111054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.117472] CR2: 00007fa32abc8000 CR3: 00000001054aa006 CR4: 00000000003706e0 [ 66.125443] Call Trace: [ 66.128175] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.133168] direct_entry.cold+0x2c/0x38 [ 66.137573] full_proxy_write+0x53/0x80 [ 66.141882] vfs_write+0xe7/0x3a0 [ 66.145606] ksys_write+0x68/0xf0 [ 66.149305] do_syscall_64+0x30/0x40 [ 66.153320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2[ 66.158969] RIP: 0033:0x7fa32acd58f3 [ 66.169173] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.190154] RSP: 002b:00007ffe2e942028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.198612] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa32acd58f3 4 18 # [ 57.317349] RSP: 002b:00007ffc63cdaa78 EFLAGS: 000002[ 66.206586] RDX: 0000000000000012 RSI: 00007fa32abc8000 RDI: 0000000000000001 [ 66.220771] RBP: 00007fa32abc8000 R08: 00007fa32abc7010 R09: 0000000000000000 46 ORIG_RAX: 0000000000000001 # [ 57.325803] RAX: fffffffffff[ 66.228742] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.242924] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.250901] irq event stamp: 0 fffda RBX: 000000000000000a RCX: 00007fa9342198f3 # [ 57.3337[ 66.254336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.267545] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.276680] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.285817] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.292815] ---[ end trace 633e44de706942f8 ]--- [ 66.297970] lkdtm: Zero detected: saturated 72] RDX: 000000000000000a RSI: 00007fa93410c000 RDI: 0000000000000001 # [ 57.341742] RBP: 00007fa93410c000 R08: 00007fa93410b010 R09: 0000000000000000 # [ 57.349710] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.357679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.476722] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.483777] lkdtm: attempting bad read at 00007f75ebd5b000 # [ 57.489918] BUG: unable to handle page fault for address: 00007f75ebd5b000 # [ 57.503800] #PF: supervisor read access in kernel mode # [ 57.509536] #PF: error_code(0x0001) - permissions violation # [ 57.515756] PGD 8000000104f4c067 P4D 8000000104f4c067 PUD 106575067 PMD 104de3067 PTE 10b40d067 # [ 57.531693] Oops: 0001 [#12] SMP PTI # [ 57.535684] CPU: 2 PID: 1889 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 57.544334] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.551130] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.557352] Code: 00 00 00 75 64 48 83 c4 10 5d c3[ 66.418928] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.427598] lkdtm: attempting bad refcount_inc() from saturated cc cc cc cc 48 89 ee 48 c7 c7 80 11 5b a6 e8 6c 99 fd ff 48 c7 [ 66.434223] ------------[ cut here ]------------ [ 66.445589] refcount_t: saturated; leaking memory. c7 a8 11 5b a6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99[ 66.450978] WARNING: CPU: 3 PID: 2396 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 fd ff 48 89 ee 48 c7 c7 d0 11 5b # [ 57.578330] RSP: 0018:ff[ 66.466620] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.499292] CPU: 3 PID: 2396 Comm: cat Tainted: G D W 5.10.158-cip21 #1 ffaf1b82597e48 EFLAGS: 00010246 # [ 57.584153] RAX: 00000000c[ 66.507943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.59[ 66.520971] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 66.533021] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 [ 66.554015] RSP: 0018:ffffaf1b82d4fe48 EFLAGS: 00010286 [ 66.559873] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 2121] RDX: 0000000000000000 RSI: ffffa045fad1bf70 RDI: ffffffffa[ 66.567859] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 [ 66.582033] RBP: ffffffffa65b031d R08: 0000000000000000 R09: 0000000000000000 [ 66.590024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.597994] R13: ffffaf1b82d4ff10 R14: ffffaf1b82d4ff10 R15: ffffa045828d7000 [ 66.605967] FS: 00007f8f52ade580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 65b11a8 # [ 57.600088] RBP: 00007f75ebd5b000 R08: 00000000000[ 66.615008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.627633] CR2: 00007f8f528e7000 CR3: 0000000105730003 CR4: 00000000003706e0 [ 66.635604] Call Trace: [ 66.638336] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 66.643814] direct_entry.cold+0x2c/0x38 [ 66.648194] full_proxy_write+0x53/0x80 [ 66.652502] vfs_write+0xe7/0x3a0 [ 66.656203] ksys_write+0x68/0xf0 [ 66.659904] do_syscall_64+0x30/0x40 [ 66.663918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.669557] RIP: 0033:0x7f8f529f48f3 [ 66.673548] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.694528] RSP: 002b:00007ffe798fe4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.702985] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8f529f48f3 [ 66.710965] RDX: 0000000000000017 RSI: 00007f8f528e7000 RDI: 0000000000000001 00000 R09: 0000000000000000 # [ 57.608057] R10: 00000000ffffe[ 66.718939] RBP: 00007f8f528e7000 R08: 00007f8f528e6010 R09: 0000000000000000 [ 66.733119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.741091] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.749066] irq event stamp: 0 000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.616024[ 66.752500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.765709] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.774845] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ] R13: ffffaf1b82597f10 R14: ffffaf1b82597f10 R15: ffffa0458314e[ 66.783983] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.797199] ---[ end trace 633e44de706942f9 ]--- 000 # [ 57.624011] FS: 00007f75ebd2c580(0000) GS:ffffa045fad[ 66.802355] lkdtm: Saturation detected: still saturated 00000(0000) knlGS:0000000000000000 # [ 57.633047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.639462] CR2: 00007f75ebd5b000 CR3: 00000001026a2004 CR4: 00000000003706e0 # [ 57.647420] Call Trace: # [ 57.650148] direct_entry.cold+0x2c/0x38 # [ 57.654525] full_proxy_write+0x53/0x80 # [ 57.658805] vfs_write+0xe7/0x3a0 # [ 57.662503] ksys_write+0x68/0xf0 # [ 57.666201] do_syscall_64+0x30/0x40 # [ 57.670188] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.675817] RIP: 0033:0x7f75ebc428f3 # [ 57.679803] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.700782] RSP: 002b:00007ffe35b3dcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.709237] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f75ebc428f3 # [ 57.717202] RDX: 0000000000000011 RSI: 00007f75ebb35000 RDI: 0000000000000001 # [ 57.725170] RBP: 00007f75ebb35000 R08: 00007f75ebb34010 R09: 0000000000000000 # [ 57.733138] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.741105] R13: 00000000000000[ 66.929804] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 66.939435] lkdtm: attempting bad refcount_dec() from saturated 01 R14: 0000000000020000 R15: 0000000000020000 # [ 57.749078][ 66.946059] ------------[ cut here ]------------ [ 66.957430] refcount_t: decrement hit 0; leaking memory. [ 66.963396] WARNING: CPU: 2 PID: 2431 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 66.972832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.005463] CPU: 2 PID: 2431 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 67.014137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 rs_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 67.020966] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 67.033027] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 67.054017] RSP: 0018:ffffaf1b82dbfe48 EFLAGS: 00010286 [ 67.059853] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.067823] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 s_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros[ 67.075798] RBP: ffffffffa65b0334 R08: 0000000000000000 R09: 0000000000000000 [ 67.089985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.097983] R13: ffffaf1b82dbff10 R14: ffffaf1b82dbff10 R15: ffffa04583574000 _ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 67.105970] FS: 00007f8390b1e580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 67.121214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.127630] CR2: 00007f8390927000 CR3: 0000000102708001 CR4: 00000000003706e0 [ 67.135624] Call Trace: # [ 57.775534] CR2: 00007f75ebd5b000 # [ 57.785444] ---[ [ 67.138368] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 67.150020] direct_entry.cold+0x2c/0x38 [ 67.154400] full_proxy_write+0x53/0x80 [ 67.158707] vfs_write+0xe7/0x3a0 [ 67.162432] ksys_write+0x68/0xf0 [ 67.166133] do_syscall_64+0x30/0x40 [ 67.170149] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.175791] RIP: 0033:0x7f8390a348f3 [ 67.179781] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.200762] RSP: 002b:00007ffde28f9d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.209218] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8390a348f3 [ 67.217187] RDX: 0000000000000017 RSI: 00007f8390927000 RDI: 0000000000000001 [ 67.225156] RBP: 00007f8390927000 R08: 00007f8390926010 R09: 0000000000000000 [ 67.233124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.241096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.249069] irq event stamp: 0 [ 67.252496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.259498] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.268633] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.277767] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.284768] ---[ end trace 633e44de706942fa ]--- [ 67.289922] lkdtm: Saturation detected: still saturated end trace 633e44de706942ea ]--- # [ 57.790599] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.794974] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 57.815962] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 57.821794] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.829761] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 57.837729] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 57.845696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.853663] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 57.861631] FS: 00007f75ebd2c580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 57.870666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.877080] CR2: 00007f75ebd5b000 CR3: 00000001026a2004 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.993164] lkdtm: Performing direct entry ACCESS_[ 67.412759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 67.420695] lkdtm: attempting bad refcount_dec() from saturated [ 67.427308] ------------[ cut here ]------------ NULL # [ 58.002701] lkdtm: attempting bad read at 00000000000[ 67.432468] refcount_t: saturated; leaking memory. [ 67.444058] WARNING: CPU: 2 PID: 2466 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00000 # [ 58.015080] BUG: kernel NULL pointer dereference, ad[ 67.453493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.486129] CPU: 2 PID: 2466 Comm: cat Tainted: G D W 5.10.158-cip21 #1 dress: 0000000000000000 # [ 58.029033] #PF: supervisor read a[ 67.494808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.507823] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 67.513660] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 [ 67.534642] RSP: 0018:ffffaf1b82e77e48 EFLAGS: 00010286 [ 67.540478] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 67.548450] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 [ 67.556421] RBP: ffffffffa65b034b R08: 0000000000000000 R09: 0000000000000000 [ 67.564392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.572362] R13: ffffaf1b82e77f10 R14: ffffaf1b82e77f10 R15: ffffa045832cf000 [ 67.580333] FS: 00007f0432e26580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 67.589373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.595791] CR2: 00007f0432c2f000 CR3: 000000010547e006 CR4: 00000000003706e0 [ 67.603763] Call Trace: [ 67.606495] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 ccess in kernel mode # [ 58.034769] #PF: error_code(0x0000) -[ 67.611971] direct_entry.cold+0x2c/0x38 [ 67.622557] full_proxy_write+0x53/0x80 [ 67.626871] vfs_write+0xe7/0x3a0 [ 67.630596] ksys_write+0x68/0xf0 [ 67.634298] do_syscall_64+0x30/0x40 [ 67.638314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 not-present page # [ 58.040506] PGD 0 P4D 0 # [ 58.04333[ 67.643967] RIP: 0033:0x7f0432d3c8f3 [ 67.654175] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.675157] RSP: 002b:00007fff00bdf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.683639] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0432d3c8f3 [ 67.691611] RDX: 0000000000000017 RSI: 00007f0432c2f000 RDI: 0000000000000001 [ 67.699581] RBP: 00007f0432c2f000 R08: 00007f0432c2e010 R09: 0000000000000000 [ 67.707553] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.715523] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] Oops: 0000 [#13] SMP PTI # [ 58.047312] CPU: 1 PID: 1924 C[ 67.723501] irq event stamp: 0 omm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 58[ 67.733120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .055963] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.746336] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.761688] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.770823] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.777846] ---[ end trace 633e44de706942fb ]--- # [ 58.062770] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58[ 67.783015] lkdtm: Saturation detected: still saturated .068022] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 a0 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 11 5b a6 e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 11 5b a6 48 01 # [ 58.095212] RSP: 0018:ffffaf1b825dfe58 EFLAGS: 00010246 # [ 58.101046] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.109010] RDX: 0000000000000000 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 58.116977] RBP: ffffffffa65b0271 R08: 0000000000000000 R09: 0000000000000000 # [ 58.124965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.132934] R13: ffffaf1b825dff10 R14: ffffaf1b825dff10 R15: ffffa04584145000 # [ 58.140926] FS: 00007f5a8d0a2580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 58.149965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.156380] CR2: 0000000000000000 CR3: 00000001030b0005 CR4: 00000000003706e0 # [ 58.164346] Call Trace: # [ 58.167074] direct_entry.cold+0x2c/0x38 # [ 58.171454] full_proxy_write+0x53/0x80 # [ 58.181965] vfs_write+0xe7/0x3a0 # [ 58.185664] ksys_write+0x68/0xf0 # [ 58.195572] do_syscall_64+0x30/0x40 # [ 58.199561] entry_SYSCALL[ 67.908568] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED _64_after_hwframe+0x61/0xc6 # [ 58.211409] RIP: 0033:0x7f5a8c[ 67.920869] lkdtm: attempting bad refcount_inc_not_zero() from saturated fb88f3 # [ 58.215387] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 [ 67.934589] ------------[ cut here ]------------ 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 67.945936] refcount_t: saturated; leaking memory. 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 67.957552] WARNING: CPU: 1 PID: 2498 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.236364] RSP: 002b:000[ 67.973166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 07ffdd88620d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 68.005802] CPU: 1 PID: 2498 Comm: cat Tainted: G D W 5.10.158-cip21 #1 58.244819] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 000[ 68.020691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 07f5a8cfb88f3 # [ 58.252787] RDX: 000000000000000c RSI: 00007[ 68.033714] RIP: 0010:refcount_warn_saturate+0x97/0x110 f5a8ceab000 RDI: 0000000000000001 # [ 58.260754] RBP: 00007f5[ 68.045762] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a8ceab000 R08: 00007f5a8ceaa010 R09: 0000000000000000 # [ 58.[ 68.072975] RSP: 0018:ffffaf1b82effe38 EFLAGS: 00010282 268722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000[ 68.085019] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000001 # [ 58.276690] R13: 0000000000000001 R14: 000000000[ 68.099202] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 0020000 R15: 0000000000020000 # [ 58.284660] Modules linked i[ 68.113388] RBP: ffffffffa65aff78 R08: 0000000000000000 R09: 0000000000000000 [ 68.127574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 n: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industria[ 68.135547] R13: ffffaf1b82efff10 R14: ffffaf1b82efff10 R15: ffffa04583040000 lio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_e[ 68.149727] FS: 00007f218283e580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 c_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86[ 68.164982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.317292[ 68.177613] CR2: 00007f2182647000 CR3: 0000000104d1a002 CR4: 00000000003706e0 [ 68.191799] Call Trace: ] CR2: 0000000000000000 # [ 58.321002] ---[ end trace 633e44d[ 68.194533] __refcount_add_not_zero.constprop.0+0x2a/0x35 e706942eb ]--- # [ 58.326164] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 68.206868] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 58.336749] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff [ 68.219402] direct_entry.cold+0x2c/0x38 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e[ 68.230018] full_proxy_write+0x53/0x80 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 68.240517] vfs_write+0xe7/0x3a0 00 00 83 05 00 86 92 02 # [ 58.357727] RSP: 0018:ffffaf1b8146[ 68.250429] ksys_write+0x68/0xf0 fe60 EFLAGS: 00010282 # [ 58.363560] RAX: ffffffffa54e0010 RB[ 68.260344] do_syscall_64+0x30/0x40 X: 0000000000000001 RCX: 0000000000000000 # [ 58.371527] RDX:[ 68.270549] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 #[ 68.282404] RIP: 0033:0x7f21827548f3 [ 58.379493] RBP: ffffffffa660b620 R08: 0000000000000001 R09:[ 68.292612] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000000001 # [ 58.387461] R10: 00000000ffffe000 R11: 3[ 68.319809] RSP: 002b:00007fff0eb5bd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.334479] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21827548f3 fffffffffffffff R12: 0000000000000004 # [ 58.395429] R13: fff[ 68.342453] RDX: 0000000000000020 RSI: 00007f2182647000 RDI: 0000000000000001 [ 68.356633] RBP: 00007f2182647000 R08: 00007f2182646010 R09: 0000000000000000 faf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ [ 68.364606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.378786] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58.403397] FS: 00007f5a8d0a2580(0000) GS:ffffa045fac80000(0000[ 68.386782] irq event stamp: 0 [ 68.396377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ) knlGS:0000000000000000 # [ 58.412431] CS: 0010 DS: 0000 ES[ 68.403382] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.418727] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : 0000 CR0: 0000000080050033 # [ 58.418845] CR2: 000000000000[ 68.427865] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.441076] ---[ end trace 633e44de706942fc ]--- 0000 CR3: 00000001030b0005 CR4: 00000000003706e0 # ACCESS_NULL:[ 68.446233] lkdtm: Saturation detected: still saturated saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.532243] lkdtm: Performing direct entry WRITE_RO # [ 58.537940] lkdtm: attempting bad rodata write at ffffffffa61ce130 # [ 58.551067] BUG: unable to handle page fault for address: ffffffffa61ce130 # [ 58.564950] #PF: supervisor write access in kernel mode # [ 58.570783] #PF: error_code(0x0003) - permissions violation # [ 58.577021] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 8000000070a000e1 # [ 58.584509] Oops: 0003 [#14] SMP PTI # [ 58.594707] CPU: 1 PID: 1959 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 58.603346] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.610152] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.615112] Code: 00 48 c7 c7 60 10 5b a6 48 c7 c6 30 e1 1c a6 e8 94 9b fd ff 48 8b 05 0f 0b 69 00 ba 34 12 cd ab 48 c7 c7 90 10 5b a6 48 31 d0 <48> 89 05 f9 0a 69 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 ec # [ 58.642306] RSP: 0018:ffffaf1b826b7e60 EFLAGS: 00010202 # [ 58.648139] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.656107] RDX: 00000000abcd1234 RSI: ffffa045fac9bf70 RDI: f[ 68.571315] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED fffffffa65b1090 # [ 58.664076] RBP: ffffffffa65b027d R08: 000[ 68.584102] lkdtm: attempting bad refcount_add_not_zero() from saturated 0000000000000 R09: 0000000000000000 # [ 58.672043] R10: 00000[ 68.597794] ------------[ cut here ]------------ 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 5[ 68.609156] refcount_t: saturated; leaking memory. 8.680026] R13: ffffaf1b826b7f10 R14: ffffaf1b826b7f10 R15: ffffa[ 68.620767] WARNING: CPU: 0 PID: 2530 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 045828e4000 # [ 58.687996] FS: 00007f81d0949580(0000) GS:fff[ 68.636388] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fa045fac80000(0000) knlGS:0000000000000000 # [ 58.697033] CS:[ 68.669057] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.158-cip21 #1 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.703446][ 68.683911] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 CR2: ffffffffa61ce130 CR3: 0000000106440002 CR4: 00000000003706[ 68.696936] RIP: 0010:refcount_warn_saturate+0x97/0x110 e0 # [ 58.711415] Call Trace: # [ 58.714142] direct_entry[ 68.708975] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 .cold+0x2c/0x38 # [ 58.718523] full_proxy_write+0x53/0x80 #[ 68.736182] RSP: 0018:ffffaf1b82f87e38 EFLAGS: 00010282 [ 58.722804] vfs_write+0xe7/0x3a0 # [ 58.732713] ksys_wr[ 68.748219] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ite+0x68/0xf0 # [ 58.736409] do_syscall_64+0x30/0x40 # [ [ 68.762392] RDX: ffffa045fac2c660 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 58.740398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.7[ 68.776587] RBP: ffffffffa65aff98 R08: 0000000000000000 R09: 0000000000000000 46036] RIP: 0033:0x7f81d085f8f3 # [ 58.750024] Code: 8b 15 a1[ 68.790772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 68.804979] R13: ffffaf1b82f87f10 R14: ffffaf1b82f87f10 R15: ffffa045828de000 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 68.819167] FS: 00007f881d8c9580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 68.834435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 58.770996] RSP: 002b:00007ffe29d45618 EFLAGS: 00000246 ORIG_RAX[ 68.847063] CR2: 00007f881d6d2000 CR3: 00000001032ce003 CR4: 00000000003706f0 : 0000000000000001 # [ 58.779451] RAX: ffffffffffffffda RBX: [ 68.861254] Call Trace: 0000000000000009 RCX: 00007f81d085f8f3 # [ 58.787420] RDX: 00[ 68.870200] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000000000009 RSI: 00007f81d0752000 RDI: 0000000000000001 # [ [ 68.882539] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 58.795388] RBP: 00007f81d0752000 R08: 00007f81d0751010 R09: 00[ 68.895081] direct_entry.cold+0x2c/0x38 00000000000000 # [ 58.803357] R10: fffffffffffffbc5 R11: 0000[ 68.905672] full_proxy_write+0x53/0x80 000000000246 R12: 0000000000000001 # [ 58.811327] R13: 000000[ 68.916170] vfs_write+0xe7/0x3a0 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58[ 68.926091] ksys_write+0x68/0xf0 .819299] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 68.936025] do_syscall_64+0x30/0x40 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 68.946210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 alio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_char[ 68.958071] RIP: 0033:0x7f881d7df8f3 dev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 68.968269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 d_notify # [ 58.851932] CR2: ffffffffa61ce130 # [ 58.85565[ 68.995476] RSP: 002b:00007ffd66c0b228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2] ---[ end trace 633e44de706942ec ]--- # [ 58.860806] RIP: 0[ 69.010132] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f881d7df8f3 010:lkdtm_BUG+0x5/0x10 # [ 58.865182] Code: 89 ff e8 5e a6 a3[ 69.024338] RDX: 0000000000000020 RSI: 00007f881d6d2000 RDI: 0000000000000001 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 69.038518] RBP: 00007f881d6d2000 R08: 00007f881d6d1010 R09: 0000000000000000 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 69.052717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 00 00 00 00 0f 1f 44 00 00 83 05 00 86 92 02 # [ 58.88616[ 69.066957] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 58.891993][ 69.081099] irq event stamp: 0 RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 00000000000000[ 69.090755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 # [ 58.899967] RDX: 0000000000000000 RSI: ffffa045fac1bf70[ 69.103962] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RDI: ffffffffa61cdcb0 # [ 58.907933] RBP: ffffffffa660b620 R[ 69.119342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 08: 0000000000000001 R09: 0000000000000001 # [ 58.915925] R10[ 69.134652] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.147933] ---[ end trace 633e44de706942fd ]--- # [ 58.923893] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15[ 69.159266] lkdtm: Saturation detected: still saturated : ffffa045830ca000 # [ 58.931862] FS: 00007f81d0949580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 58.940898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.947312] CR2: ffffffffa61ce130 CR3: 0000000106440002 CR4: 00000000003706e0 # [ 58.955281] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.965192] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1959, name: cat # [ 58.973646] INFO: lockdep is turned off. # [ 58.978022] irq event stamp: 0 # [ 58.981428] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.988418] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.997552] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.006685] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.013682] CPU: 1 PID: 1959 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 59.022329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.029133] Call Trace: # [ 59.031860] dump_stack+0x77/0x9b # [ 59.035560] ___might_sleep.cold+0xa6/0xb6 # [ 59.046343] exit_signals+0x1c/0x2e0 # [ 59.050332] do_exit+0xd5/0xb00 # [ 59.053835] ? ksys_write+0x68/0xf0 # [ 59.057718] rewind_stack_do_exit+0x17/0x20 # [ 59.062386] RIP: 0033:0x7f81d085f8f3 # [ 59.066373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 69.311916] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 69.321924] lkdtm: attempting bad refcount_dec_and_test() from saturated 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.335644] ------------[ cut here ]------------ [ 69.347005] refcount_t: underflow; use-after-free. # [ 59.087355] RSP: 002b:00007ffe29d45618 EFLAGS: 00000246 ORI[ 69.352415] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 G_RAX: 0000000000000001 # [ 59.095811] RAX: ffffffffffffffda [ 69.368027] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RBX: 0000000000000009 RCX: 00007f81d085f8f3 # [ 59.103779] RD[ 69.400663] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.158-cip21 #1 X: 0000000000000009 RSI: 00007f81d0752000 RDI: 0000000000000001 [ 69.415527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.428549] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 59.111747] RBP: 00007f81d0752000 R08: 00007f81d0751010 R0[ 69.434410] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 9: 0000000000000000 # [ 59.119714] R10: fffffffffffffbc5 R11:[ 69.461602] RSP: 0018:ffffaf1b82fffe40 EFLAGS: 00010286 0000000000000246 R12: 0000000000000001 # [ 59.127683] R13: 0[ 69.473654] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # W[ 69.487841] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 RITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO[ 69.502028] RBP: ffffffffa65affb8 R08: 0000000000000000 R09: 0000000000000000 [ 69.516214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 .sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ [ 69.524213] R13: ffffaf1b82ffff10 R14: ffffaf1b82ffff10 R15: ffffa045828de000 59.284046] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 69.538392] FS: 00007fd8bc134580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 [ 69.553624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.291346] lkdtm: attempting bad ro_after_init write at ff[ 69.560044] CR2: 00007fd8bbf3d000 CR3: 0000000104d32002 CR4: 00000000003706e0 [ 69.574223] Call Trace: ffffffa662c330 # [ 59.305186] BUG: unable to handle page faul[ 69.576971] __refcount_sub_and_test.constprop.0+0x3c/0x50 t for address: ffffffffa662c330 # [ 59.319051] #PF: superviso[ 69.589301] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 r write access in kernel mode # [ 59.324874] #PF: error_code([ 69.601838] direct_entry.cold+0x2c/0x38 0x0003) - permissions violation # [ 59.331095] PGD 71229067 P[ 69.612458] full_proxy_write+0x53/0x80 4D 71229067 PUD 7122a063 PMD 1048da063 PTE 800000007102c061 # [[ 69.622971] vfs_write+0xe7/0x3a0 59.339844] Oops: 0003 [#15] SMP PTI # [ 59.350044] CPU: 1 [ 69.632882] ksys_write+0x68/0xf0 PID: 1994 Comm: cat Tainted: G D W 5.10.158-cip21 #[ 69.642797] do_syscall_64+0x30/0x40 1 # [ 59.358691] Hardware name: Google Rammus/Rammus, BIOS 0[ 69.653018] entry_SYSCALL_64_after_hwframe+0x61/0xc6 9/04/2020 # [ 59.365498] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+[ 69.664875] RIP: 0033:0x7fd8bc04a8f3 [ 69.675079] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0x4e/0x5a # [ 59.371526] Code: 10 5b a6 e9 46 9b fd ff 48 c7 [ 69.696064] RSP: 002b:00007ffe63fa3ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.710730] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd8bc04a8f3 c7 e8 10 5b a6 e8 3a 9b fd ff 48 8b 05 b5 ec ae 00 ba 34 12 cd a[ 69.718703] RDX: 0000000000000020 RSI: 00007fd8bbf3d000 RDI: 0000000000000001 [ 69.732884] RBP: 00007fd8bbf3d000 R08: 00007fd8bbf3c010 R09: 0000000000000000 b 48 c7 c7 90 10 5b a6 48 31 d0 <48> 89 05 9f ec ae 00 e9 18 9b [ 69.740858] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.398715] RSP: 0018:[ 69.755041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffaf1b8271fe60 EFLAGS: 00010202 # [ 59.404547] RAX: 0000000[ 69.769252] irq event stamp: 0 [ 69.778849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.[ 69.785853] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.801195] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 412516] RDX: 00000000abcd1234 RSI: ffffa045fac9bf70 RDI: fffffff[ 69.810334] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.823542] ---[ end trace 633e44de706942fe ]--- fa65b1090 # [ 59.420474] RBP: ffffffffa65b0286 R08: 000000000[ 69.828698] lkdtm: Saturation detected: still saturated 0000000 R09: 0000000000000000 # [ 59.428442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.436409] R13: ffffaf1b8271ff10 R14: ffffaf1b8271ff10 R15: ffffa045855cc000 # [ 59.444378] FS: 00007f79c5dda580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 59.453405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.459820] CR2: ffffffffa662c330 CR3: 00000001057f2006 CR4: 00000000003706e0 # [ 59.467786] Call Trace: # [ 59.470512] direct_entry.cold+0x2c/0x38 # [ 59.474893] full_proxy_write+0x53/0x80 # [ 59.485384] vfs_write+0xe7/0x3a0 # [ 59.489081] ksys_write+0x68/0xf0 # [ 59.499002] do_syscall_64+0x30/0x40 # [ 59.503014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.514864] RIP: 0033:0x7f79c5cf08f3 # [ 59.518843] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.539813] RSP: 002b:00007fffeb48bad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.548258] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f79c5cf08f3 # [ 59.556226] RDX: 0000000000000014 RSI: 00007f79c5be3000 RDI: 0000000000000001 # [ 59.5[ 69.960858] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 69.972979] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 69.980475] ------------[ cut here ]------------ 64193] RBP: 00007f79c5be3000 R08: 00007f79c5be2010 R09: 00000000[ 69.985658] refcount_t: underflow; use-after-free. [ 69.997245] WARNING: CPU: 2 PID: 2600 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000000 # [ 59.572160] R10: fffffffffffffbc5 R11: 0000000000[ 70.006681] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.039313] CPU: 2 PID: 2600 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 70.047965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000246 R12: 0000000000000001 # [ 59.580127] R13: 000000000000[ 70.054775] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.066822] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.087828] RSP: 0018:ffffaf1b83087e40 EFLAGS: 00010286 [ 70.093687] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.101680] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.58809[ 70.109664] RBP: ffffffffa65affd8 R08: 0000000000000000 R09: 0000000000000000 [ 70.123842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.131812] R13: ffffaf1b83087f10 R14: ffffaf1b83087f10 R15: ffffa04583004000 [ 70.139785] FS: 00007f8394e08580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 [ 70.148822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.155240] CR2: 00007f8394c11000 CR3: 0000000101272003 CR4: 00000000003706e0 [ 70.163211] Call Trace: [ 70.165960] __refcount_sub_and_test.constprop.0+0x3c/0x50 9] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 70.172098] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.184628] direct_entry.cold+0x2c/0x38 [ 70.189022] full_proxy_write+0x53/0x80 [ 70.193328] vfs_write+0xe7/0x3a0 [ 70.197052] ksys_write+0x68/0xf0 [ 70.200753] do_syscall_64+0x30/0x40 [ 70.204769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.210410] RIP: 0033:0x7f8394d1e8f3 [ 70.214402] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.235383] RSP: 002b:00007ffec851d2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.243839] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8394d1e8f3 [ 70.251811] RDX: 0000000000000020 RSI: 00007f8394c11000 RDI: 0000000000000001 [ 70.259781] RBP: 00007f8394c11000 R08: 00007f8394c10010 R09: 0000000000000000 [ 70.267749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.275719] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.283694] irq event stamp: 0 [ 70.287131] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.294131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.303268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.312403] softirqs last disabled at (0): [<0000000000000000>] 0x0 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 70.319406] ---[ end trace 633e44de706942ff ]--- [ 70.330776] lkdtm: Saturation detected: still saturated ros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.620730] CR2: ffffffffa662c330 # [ 59.624426] ---[ end trace 633e44de706942ed ]--- # [ 59.629581] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.633964] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 59.654963] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 59.660796] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.668763] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 59.676730] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 59.684698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.692664] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 59.700631] FS: 00007f79c5dda580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 59.709666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.716080] CR2: ffffffffa662c330 CR3: 00000001057f2006 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59.856916] lkdtm: Performing direct entry WRITE_KERN # [ 59.866557] lkdtm: attempting bad 6672827 byte write at ffffffffa5b3d59b # [ 59.874056] BUG: unable to handle page fault for address: ffffffffa5b3d59b # [ 59.881738] #PF: supervisor write access in kernel mode # [ 59.887572] #PF: error_code(0x0003) - permissions violation # [ 59.893783] PGD 71229067 P4D 71229067 PUD 7122a063 PMD 704000e1 # [ 59.900492] Oops: 0003 [#16] SMP PTI # [ 59.904479] CPU: 3 PID: 2029 [ 70.512365] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 70.523586] lkdtm: attempting good copy_to_user of correct size Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 5[ 70.530214] lkdtm: attempting bad copy_to_user of too large size 9.913127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.919933] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.925108] Code: 53 48 c7 c3 9b d5 b3 a5 49 89 dc 48 89 da 49 81 ec e0 03 4e a5 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 4e a5 a4 48 c7 c7 90 10 5b a6 e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.946087] RSP: 0018:ffffaf1b8271fe50 EFLAGS: 00010246 # [ 59.951917] RAX: 000000000000003c RBX: ffffffffa5b3d59b RCX: 000000000065d1bb # [ 59.959884] RDX: 0000000000000000 RSI: ffffffffa54e03e0 RDI: ffffffffa5b3d59b # [ 59.967852] RBP: ffffffffa65b029a R08: 0000000000000000 R09: 0000000000000000 # [ 59.975819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065d1bb # [ 59.983788] R13: ffffaf1b8271ff10 R14: ffffaf1b8271ff10 R15: ffffa045829d9000 # [ 59.991756] FS: 00007f5f69c93580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 60.000791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.007205] CR2: ffffffffa5b3d59b CR3: 0000000105760002 CR4: 00000000003706e0 # [ 60.015172] Call Trace: # [ 60.017898] direct_entry.cold+0x2c/0x38 # [ 60.022277] full_proxy_write+0x53/0x80 # [ 60.026557] vfs_writ[ 70.655600] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 70.668190] lkdtm: attempting good copy_from_user of correct size e+0xe7/0x3a0 # [ 60.030254] ksys_write+0x68/0xf0 # [ 60.0[ 70.675024] lkdtm: attempting bad copy_from_user of too large size 33967] do_syscall_64+0x30/0x40 # [ 60.037957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.043596] RIP: 0033:0x7f5f69ba98f3 # [ 60.047583] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.068563] RSP: 002b:00007fff6d3b4cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.077017] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5f69ba98f3 # [ 60.084985] RDX: 000000000000000b RSI: 00007f5f69a9c000 RDI: 0000000000000001 # [ 60.092964] RBP: 00007f5f69a9c000 R08: 00007f5f69a9b010 R09: 0000000000000000 # [ 60.100933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.108900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.116871] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.143330[ 70.800022] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ] CR2: ffffffffa5b3d59b # [ 60.153239] ---[ end trace 633e44d[ 70.807461] lkdtm: attempting good copy_to_user inside whitelist e706942ee ]--- # [ 60.158394] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 70.820409] lkdtm: attempting bad copy_to_user outside whitelist [ 60.162769] Code: 89 ff e8 5e a6 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 00 86 92 02 # [ 60.183749] RSP: 0018:ffffaf1b8146fe60 EFLAGS: 00010282 # [ 60.189581] RAX: ffffffffa54e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.197548] RDX: 0000000000000000 RSI: ffffa045fac1bf70 RDI: ffffffffa61cdcb0 # [ 60.205515] RBP: ffffffffa660b620 R08: 0000000000000001 R09: 0000000000000001 # [ 60.213484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.221451] R13: ffffaf1b8146ff10 R14: ffffaf1b8146ff10 R15: ffffa045830ca000 # [ 60.229421] FS: 00007f5f69c93580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 60.238450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.244865] CR2: ffffffffa5b3d59b CR3: 0000000105760002 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.362943] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.371463] lkdtm: attempting good refcount_inc() without overflow # [ [ 70.946254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 60.384587] lkdtm: attempting bad refcount_inc() overflow # [ [ 70.958849] lkdtm: attempting good copy_from_user inside whitelist 60.396826] ------------[ cut here ]------------ # [ 60.4081[ 70.971981] lkdtm: attempting bad copy_from_user outside whitelist 98] refcount_t: saturated; leaking memory. # [ 60.413578] WARNING: CPU: 1 PID: 2064 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.429187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.461822] CPU: 1 PID: 2064 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 60.476684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.489708] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.501758] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 # [ 60.528966] RSP: 0018:ffffaf1b82807e48 EFLAGS: 00010286 # [ 60.541015] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.555205] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 60.569393] RBP: ffffffffa65b02a5 R08: 0000000000000000 R09: 0000000000000000 # [ 60.583577] R10: 00000000ffffe000 R11[ 71.098187] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.110079] lkdtm: good_stack: ffffaf1b83427e20-ffffaf1b83427e40 [ 71.116797] lkdtm: bad_stack : ffffaf1b83427da8-ffffaf1b83427dc8 : 3fffffffffffffff R12: 0000000000000016 # [ 60.597763] R13: [ 71.123523] lkdtm: attempting good copy_to_user of local stack [ 71.136249] lkdtm: attempting bad copy_to_user of distant stack ffffaf1b82807f10 R14: ffffaf1b82807f10 R15: ffffa0458305a000 # [ 60.611967] FS: 00007fa603535580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 60.627245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.639856] CR2: 00007fa60333e000 CR3: 00000001035dc006 CR4: 00000000003706e0 # [ 60.654038] Call Trace: # [ 60.656789] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.668327] direct_entry.cold+0x2c/0x38 # [ 60.678922] full_proxy_write+0x53/0x80 # [ 60.689418] vfs_write+0xe7/0x3a0 # [ 60.699331] ksys_write+0x68/0xf0 # [ 60.709245] do_syscall_64+0x30/0x40 # [ 60.719450] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.731304] RIP: 0033:0x7fa60344b8f3 # [ 60.741510] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.762492] RSP: 002b:00007ffc9ecae0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.777158] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa60344b8f3 # [ 60.785132] RDX: 0000000000000016 RSI: 00007fa60333e000 RDI: 0000000000000001 # [ 60.799312] RBP: 0000[ 71.258086] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 7fa60333e000 R08: 00007fa60333d010 R09: 0000000000000000 # [ [ 71.268138] lkdtm: good_stack: ffffaf1b834afe20-ffffaf1b834afe40 60.807286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 71.281072] lkdtm: bad_stack : ffffaf1b834afda8-ffffaf1b834afdc8 000000000001 # [ 60.821463] R13: 0000000000000001 R14: 000000[ 71.294035] lkdtm: attempting good copy_from_user of local stack 0000020000 R15: 0000000000020000 # [ 60.829459] irq event sta[ 71.306954] lkdtm: attempting bad copy_from_user of distant stack mp: 0 # [ 60.839052] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.846055] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.861403] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.876753] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.889969] ---[ end trace 633e44de706942ef ]--- # [ 60.901338] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.014978] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.024973] lkdtm: attempting good refcount_add() without overflow # [ 61.038095] lkdtm: attempting bad refcount_add() overflow # [ 61.050334] ------------[ cut here ]------------ # [ 61.055490] refcount_t: saturated; leaking memory. # [ 61.067081] WARNING: CPU: 1 PID: 2096 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.082693] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_c[ 71.432361] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 71.444904] lkdtm: good_stack: ffffaf1b83507e20-ffffaf1b83507e40 hardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_u[ 71.451627] lkdtm: bad_stack : ffffaf1b83507ff8-ffffaf1b83508018 sbpd_notify # [ 61.115328] CPU: 1 PID: 2096 Comm: cat Tainted[ 71.464565] lkdtm: attempting good copy_to_user of local stack [ 71.477283] lkdtm: attempting bad copy_to_user of distant stack [ 71.483950] lkdtm: copy_to_user failed, but lacked Oops : G D W 5.10.158-cip21 #1 # [ 61.130193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.143220] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.155267] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 # [ 61.182464] RSP: 0018:ffffaf1b8289fe48 EFLAGS: 00010286 # [ 61.194540] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.208730] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 61.222915] RBP: ffffffffa65b02bb R08: 0000000000000000 R09: 0000000000000000 # [ 61.230888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.245069] R13: ffffaf1b8289ff10 R14: ffffaf1b8289ff10 R15: ffffa045865c1000 # [ 61.253044] FS: 00007fe0d470e580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 61.268293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.274713] CR2: 00007fe0d4517000 CR3: 00000001035dc005 CR4: 00000000003706e0 # [ 61.288894] Call Trace: #[ 71.601212] lkdtm: Performing direct entry USERCOPY_KERNEL [ 61.291629] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61[ 71.607833] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa61ce150 .303187] direct_entry.cold+0x2c/0x38 # [ 61.313781] full_pr[ 71.622738] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa4ee3580 oxy_write+0x53/0x80 # [ 61.324279] vfs_write+0xe7/0x3a0 # [[ 71.637280] lkdtm: FAIL: survived bad copy_to_user() 61.334194] ksys_write+0x68/0xf0 # [ 61.344109] do_syscall_64+0x30/0x40 # [ 61.354314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.366170] RIP: 0033:0x7fe0d46248f3 # [ 61.376375] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.397358] RSP: 002b:00007ffccd07f758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.412024] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe0d46248f3 # [ 61.419998] RDX: 0000000000000016 RSI: 00007fe0d4517000 RDI: 0000000000000001 # [ 61.434181] RBP: 00007fe0d4517000 R08: 00007fe0d4516010 R09: 0000000000000000 # [ 61.448365] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.462551] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.476743] irq event stamp: 0 # [ 61.486362] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.499579] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.514932] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.530282] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.543499] ---[ end trace 633e44de706942f0 ]--- # [ 71.775630] lkdtm: Performing direct entry STACKLEAK_ERASING [ 71.786064] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 71.793952] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 71.801740] lkdtm: FAIL: the thread stack is NOT properly erased [ 71.808456] CPU: 2 PID: 2965 Comm: cat Tainted: G D W 5.10.158-cip21 #1 [ 71.817105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.823910] Call Trace: [ 71.826639] dump_stack+0x77/0x9b [ 71.830337] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 71.835491] direct_entry.cold+0x2c/0x38 [ 71.839869] full_proxy_write+0x53/0x80 [ 71.844148] vfs_write+0xe7/0x3a0 [ 71.847837] ksys_write+0x68/0xf0 [ 71.851527] do_syscall_64+0x30/0x40 [ 71.855517] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.861156] RIP: 0033:0x7f9570a9d8f3 [ 71.865145] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.886128] RSP: 002b:00007ffc0be0f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.894584] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9570a9d8f3 [ 71.902554] RDX: 0000000000000012 RSI: 00007f9570990000 RDI: 0000000000000001 [ 71.910523] RBP: 00007f9570990000 R08: 00007f957098f010 R09: 0000000000000000 [ 71.918492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.926462] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.554870] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 61.669762] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.679398] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.686333] ------------[ cut here ]------------ # [ 61.691521] refcount_t: saturated; leaking memory. # [ 61.696886] WARNING: CPU: 3 PID: 2128 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.712519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.738980] CPU: 3 PID: 2128 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 61.753862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.760684] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.772724] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00[ 72.049791] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 72.058891] lkdtm: Calling matched prototype ... [ 72.064064] lkdtm: Calling mismatched prototype ... <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 b[ 72.069524] lkdtm: Fail: survived mismatched prototype function call! b 54 # [ 61.793704] RSP: 0018:ffffaf1b828ffe38 EFLAGS: 00010282 # [ 61.799539] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.807509] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 # [ 61.815480] RBP: ffffffffa65afef8 R08: 0000000000000000 R09: 0000000000000000 # [ 61.823450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.831421] R13: ffffaf1b828fff10 R14: ffffaf1b828fff10 R15: ffffa04583043000 # [ 61.839392] FS: 00007f5aec64f580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 61.848430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.854848] CR2: 00007f5aec458000 CR3: 0000000103046006 CR4: 00000000003706e0 # [ 61.862820] Call Trace: # [ 61.865552] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.871710] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.877967] direct_entry.cold+0x2c/0x38 # [ 61.882350] full_proxy_write+0x53/0x80 # [ 61.892839] vfs_write+0xe7/0x3a0 # [ 61.896564] ksys_write+0x68/0xf0 # [ 61.900266] do_syscall_64+0x30/0x40 # [ 61.904258] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.909898] RIP: 0033:0x7f5aec5658f3 # [ 61.913888] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.934870] RSP: 002b:00007ffcf2d1fed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.943328] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5aec5658f3 # [ 61.951297] RDX: 000000000000001f RSI: 00007f5aec458000 RDI: 0000000000000001 # [ 61.959268] RBP: 00007f5aec458000 R08: 00007f5aec457010 R09: 0000000000000000 # [ 61.967238] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.975213] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.989408] irq event stamp: 0 # [ 61.999030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.012245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.027598] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.042951] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.049952] ---[ end trace 633e44de706942f1 ]--- # [ 62.061319] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.179380] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.192086] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.205184] ------------[ cut here ]------------ # [ 62.216552] refcount_t: saturated; leaking memory. # [ 62.221936] WARNING: CPU: 1 PID: 2160 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.237539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.270196] CPU: 1 PID: 2160 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 62.285040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.291850] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.303892] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 # [ 62.331116] RSP: 0018:ffffaf1b829afe38 EFLAGS: 00010282 # [ 62.343160] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.357324] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 62.365297] RBP: ffffffffa65aff18 R08: 0000000000000000 R09: 0000000000000000 # [ 62.379477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.387448] R13: ffffaf1b829aff10 R14: ffffaf1b829aff10 R15: ffffa0458569c000 # [ 62.401626] FS: 00007fd6d6e3c580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 62.410666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.423291] CR2: 00007fd6d6c45000 CR3: 0000000102796003 CR4: 00000000003706e0 # [ 62.431265] Call Trace: # [ 62.440225] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.452548] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.464986] direct_entry.cold+0x2c/0x38 # [ 62.475601] full_proxy_write+0x53/0x80 # [ 62.486098] vfs_write+0xe7/0x3a0 # [ 62.496014] ksys_write+0x68/0xf0 # [ 62.505931] do_syscall_64+0x30/0x40 # [ 62.516159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.521803] RIP: 0033:0x7fd6d6d528f3 # [ 62.532002] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.559198] RSP: 002b:00007ffd72e11f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.573870] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd6d6d528f3 # [ 62.581846] RDX: 000000000000001f RSI: 00007fd6d6c45000 RDI: 0000000000000001 # [ 62.596027] RBP: 00007fd6d6c45000 R08: 00007fd6d6c44010 R09: 0000000000000000 # [ 62.604014] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.618192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.626187] irq event stamp: 0 # [ 62.635781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.642786] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.658130] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.667268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.680477] ---[ end trace 633e44de706942f2 ]--- # [ 62.685633] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 62.803544] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 62.815101] lkdtm: attempting good refcount_dec() # [ 62.820410] lkdtm: attempting bad refcount_dec() to zero # [ 62.826354] ------------[ cut here ]------------ # [ 62.837719] refcount_t: decrement hit 0; leaking memory. # [ 62.849896] WARNING: CPU: 3 PID: 2192 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 62.859331] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.891977] CPU: 3 PID: 2192 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 62.906837] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.913653] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.919489] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 62.940472] RSP: 0018:ffffaf1b829e7e48 EFLAGS: 00010286 # [ 62.946309] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.954280] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 # [ 62.962249] RBP: ffffffffa65b02d1 R08: 0000000000000000 R09: 0000000000000000 # [ 62.970221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.978191] R13: ffffaf1b829e7f10 R14: ffffaf1b829e7f10 R15: ffffa0458356b000 # [ 62.986163] FS: 00007f8c52470580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 62.995203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.001623] CR2: 00007f8c52279000 CR3: 0000000103164004 CR4: 00000000003706e0 # [ 63.009594] Call Trace: # [ 63.012325] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.017315] direct_entry.cold+0x2c/0x38 # [ 63.027902] full_proxy_write+0x53/0x80 # [ 63.032218] vfs_write+0xe7/0x3a0 # [ 63.035970] ksys_write+0x68/0xf0 # [ 63.045884] do_syscall_64+0x30/0x40 # [ 63.056090] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.061732] RIP: 0033:0x7f8c523868f3 # [ 63.065723] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.086705] RSP: 002b:00007ffd4d230b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.095188] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8c523868f3 # [ 63.103159] RDX: 0000000000000012 RSI: 00007f8c52279000 RDI: 0000000000000001 # [ 63.111132] RBP: 00007f8c52279000 R08: 00007f8c52278010 R09: 0000000000000000 # [ 63.125320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.139508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.147502] irq event stamp: 0 # [ 63.150920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.164131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.173268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.182404] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.189404] ---[ end trace 633e44de706942f3 ]--- # [ 63.194560] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 63.310145] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.317852] lkdtm: attempting bad refcount_dec() below zero # [ 63.330296] ------------[ cut here ]------------ # [ 63.341663] refcount_t: decrement hit 0; leaking memory. # [ 63.353838] WARNING: CPU: 1 PID: 2227 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.369451] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.402089] CPU: 1 PID: 2227 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 63.416956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.429981] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.442034] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.469234] RSP: 0018:ffffaf1b82aa7e48 EFLAGS: 00010286 # [ 63.481307] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.495472] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 63.509654] RBP: ffffffffa65b02e3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.523841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.531814] R13: ffffaf1b82aa7f10 R14: ffffaf1b82aa7f10 R15: ffffa045857fc000 # [ 63.546015] FS: 00007feda1bec580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 63.561269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.573902] CR2: 00007feda19f5000 CR3: 00000001048dc002 CR4: 00000000003706e0 # [ 63.581873] Call Trace: # [ 63.590833] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.602380] direct_entry.cold+0x2c/0x38 # [ 63.612976] full_proxy_write+0x53/0x80 # [ 63.623472] vfs_write+0xe7/0x3a0 # [ 63.633384] ksys_write+0x68/0xf0 # [ 63.643299] do_syscall_64+0x30/0x40 # [ 63.653503] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.665358] RIP: 0033:0x7feda1b028f3 # [ 63.675563] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.702764] RSP: 002b:00007ffe3c3c69e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.717435] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feda1b028f3 # [ 63.725409] RDX: 0000000000000016 RSI: 00007feda19f5000 RDI: 0000000000000001 # [ 63.739594] RBP: 00007feda19f5000 R08: 00007feda19f4010 R09: 0000000000000000 # [ 63.747570] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.761754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.769736] irq event stamp: 0 # [ 63.779348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.792567] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.807923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.823281] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.836501] ---[ end trace 633e44de706942f4 ]--- # [ 63.841659] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 63.969464] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.978608] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.985712] ------------[ cut here ]------------ # [ 63.990871] refcount_t: underflow; use-after-free. # [ 64.002445] WARNING: CPU: 2 PID: 2262 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.018079] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.050773] CPU: 2 PID: 2262 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 64.059439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.072450] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.078293] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.099275] RSP: 0018:ffffaf1b82b1fe40 EFLAGS: 00010286 # [ 64.105137] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.113108] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 64.121080] RBP: ffffffffa65aff38 R08: 0000000000000000 R09: 0000000000000000 # [ 64.129051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.137027] R13: ffffaf1b82b1ff10 R14: ffffaf1b82b1ff10 R15: ffffa04582792000 # [ 64.145015] FS: 00007f85fdc04580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 64.154056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.160475] CR2: 00007f85fda0d000 CR3: 00000001028fa003 CR4: 00000000003706e0 # [ 64.168446] Call Trace: # [ 64.171178] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.177334] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.189766] direct_entry.cold+0x2c/0x38 # [ 64.194179] full_proxy_write+0x53/0x80 # [ 64.198494] vfs_write+0xe7/0x3a0 # [ 64.202227] ksys_write+0x68/0xf0 # [ 64.205970] do_syscall_64+0x30/0x40 # [ 64.216173] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.221836] RIP: 0033:0x7f85fdb1a8f3 # [ 64.225853] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.246836] RSP: 002b:00007fffb7530bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.255320] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f85fdb1a8f3 # [ 64.263295] RDX: 000000000000001f RSI: 00007f85fda0d000 RDI: 0000000000000001 # [ 64.277479] RBP: 00007f85fda0d000 R08: 00007f85fda0c010 R09: 0000000000000000 # [ 64.291666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.299637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.307631] irq event stamp: 0 # [ 64.311049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.324259] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.333420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.342555] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.349556] ---[ end trace 633e44de706942f5 ]--- # [ 64.354711] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 64.470903] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.479305] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.492621] ------------[ cut here ]------------ # [ 64.503980] refcount_t: underflow; use-after-free. # [ 64.515578] WARNING: CPU: 0 PID: 2297 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.531208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.563859] CPU: 0 PID: 2297 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 64.578730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.591764] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.603871] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.631091] RSP: 0018:ffffaf1b82bbfe40 EFLAGS: 00010286 # [ 64.643116] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.657284] RDX: ffffa045fac2c660 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 # [ 64.671468] RBP: ffffffffa65aff58 R08: 0000000000000000 R09: 0000000000000000 # [ 64.685735] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.699924] R13: ffffaf1b82bbff10 R14: ffffaf1b82bbff10 R15: ffffa04584923000 # [ 64.714077] FS: 00007fee164e7580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 64.729386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.741978] CR2: 00007fee162f0000 CR3: 0000000103044001 CR4: 00000000003706f0 # [ 64.756155] Call Trace: # [ 64.765112] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.777467] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 64.789902] direct_entry.cold+0x2c/0x38 # [ 64.800494] full_proxy_write+0x53/0x80 # [ 64.810993] vfs_write+0xe7/0x3a0 # [ 64.820921] ksys_write+0x68/0xf0 # [ 64.830839] do_syscall_64+0x30/0x40 # [ 64.841067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.852945] RIP: 0033:0x7fee163fd8f3 # [ 64.863111] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.890349] RSP: 002b:00007ffd427f8848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.905014] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fee163fd8f3 # [ 64.919237] RDX: 000000000000001f RSI: 00007fee162f0000 RDI: 0000000000000001 # [ 64.933412] RBP: 00007fee162f0000 R08: 00007fee162ef010 R09: 0000000000000000 # [ 64.947597] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.961822] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.976053] irq event stamp: 0 # [ 64.985677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.998879] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.014293] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.029608] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.042852] ---[ end trace 633e44de706942f6 ]--- # [ 65.054268] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.204011] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.214768] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.221870] lkdtm: Good: zero detected # [ 65.232286] lkdtm: Correctly stayed at zero # [ 65.243146] lkdtm: attempting bad refcount_inc() from zero # [ 65.249275] ------------[ cut here ]------------ # [ 65.260641] refcount_t: addition on 0; use-after-free. # [ 65.272625] WARNING: CPU: 1 PID: 2329 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.288235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.320895] CPU: 1 PID: 2329 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 65.335739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.348760] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.360817] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 a6 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 # [ 65.388019] RSP: 0018:ffffaf1b82a4fe48 EFLAGS: 00010286 # [ 65.400072] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.414261] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 65.428452] RBP: ffffffffa65b02f9 R08: 0000000000000000 R09: 0000000000000000 # [ 65.442642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.456836] R13: ffffaf1b82a4ff10 R14: ffffaf1b82a4ff10 R15: ffffa045831bd000 # [ 65.471025] FS: 00007f8e941fd580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 65.486280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.498917] CR2: 00007f8e94006000 CR3: 0000000106590002 CR4: 00000000003706e0 # [ 65.506891] Call Trace: # [ 65.515835] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.527015] direct_entry.cold+0x2c/0x38 # [ 65.537611] full_proxy_write+0x53/0x80 # [ 65.548108] vfs_write+0xe7/0x3a0 # [ 65.558025] ksys_write+0x68/0xf0 # [ 65.567943] do_syscall_64+0x30/0x40 # [ 65.578152] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.590009] RIP: 0033:0x7f8e941138f3 # [ 65.600217] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.627420] RSP: 002b:00007fffa4610ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.642091] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8e941138f3 # [ 65.656283] RDX: 0000000000000012 RSI: 00007f8e94006000 RDI: 0000000000000001 # [ 65.670475] RBP: 00007f8e94006000 R08: 00007f8e94005010 R09: 0000000000000000 # [ 65.684660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.698857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.713051] irq event stamp: 0 # [ 65.722666] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.735885] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.751239] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.766592] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.773595] ---[ end trace 633e44de706942f7 ]--- # [ 65.784969] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 65.910102] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.920302] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.927406] lkdtm: Good: zero detected # [ 65.931599] lkdtm: Correctly stayed at zero # [ 65.942483] lkdtm: attempting bad refcount_add() from zero # [ 65.954823] ------------[ cut here ]------------ # [ 65.959978] refcount_t: addition on 0; use-after-free. # [ 65.965744] WARNING: CPU: 3 PID: 2361 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.975179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.007832] CPU: 3 PID: 2361 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 66.016497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.029509] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.035343] Code: 01 01 e8 39 66 95 00 0f 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 a6 c6 05 8d 27 94 01 01 e8 16 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 # [ 66.056326] RSP: 0018:ffffaf1b82cd7e48 EFLAGS: 00010286 # [ 66.062162] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.070133] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 # [ 66.078104] RBP: ffffffffa65b030b R08: 0000000000000000 R09: 0000000000000000 # [ 66.086075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.094046] R13: ffffaf1b82cd7f10 R14: ffffaf1b82cd7f10 R15: ffffa0458315c000 # [ 66.102016] FS: 00007fa32adbf580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 66.111054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.117472] CR2: 00007fa32abc8000 CR3: 00000001054aa006 CR4: 00000000003706e0 # [ 66.125443] Call Trace: # [ 66.128175] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.133168] direct_entry.cold+0x2c/0x38 # [ 66.137573] full_proxy_write+0x53/0x80 # [ 66.141882] vfs_write+0xe7/0x3a0 # [ 66.145606] ksys_write+0x68/0xf0 # [ 66.149305] do_syscall_64+0x30/0x40 # [ 66.153320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.158969] RIP: 0033:0x7fa32acd58f3 # [ 66.169173] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.190154] RSP: 002b:00007ffe2e942028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.198612] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa32acd58f3 # [ 66.206586] RDX: 0000000000000012 RSI: 00007fa32abc8000 RDI: 0000000000000001 # [ 66.220771] RBP: 00007fa32abc8000 R08: 00007fa32abc7010 R09: 0000000000000000 # [ 66.228742] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.242924] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.250901] irq event stamp: 0 # [ 66.254336] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.267545] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.276680] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.285817] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.292815] ---[ end trace 633e44de706942f8 ]--- # [ 66.297970] 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 # [ 66.418928] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.427598] lkdtm: attempting bad refcount_inc() from saturated # [ 66.434223] ------------[ cut here ]------------ # [ 66.445589] refcount_t: saturated; leaking memory. # [ 66.450978] WARNING: CPU: 3 PID: 2396 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.466620] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.499292] CPU: 3 PID: 2396 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 66.507943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.520971] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.533021] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 # [ 66.554015] RSP: 0018:ffffaf1b82d4fe48 EFLAGS: 00010286 # [ 66.559873] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.567859] RDX: ffffa045fadac660 RSI: ffffa045fad9bf70 RDI: ffffa045fad9bf70 # [ 66.582033] RBP: ffffffffa65b031d R08: 0000000000000000 R09: 0000000000000000 # [ 66.590024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.597994] R13: ffffaf1b82d4ff10 R14: ffffaf1b82d4ff10 R15: ffffa045828d7000 # [ 66.605967] FS: 00007f8f52ade580(0000) GS:ffffa045fad80000(0000) knlGS:0000000000000000 # [ 66.615008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.627633] CR2: 00007f8f528e7000 CR3: 0000000105730003 CR4: 00000000003706e0 # [ 66.635604] Call Trace: # [ 66.638336] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.643814] direct_entry.cold+0x2c/0x38 # [ 66.648194] full_proxy_write+0x53/0x80 # [ 66.652502] vfs_write+0xe7/0x3a0 # [ 66.656203] ksys_write+0x68/0xf0 # [ 66.659904] do_syscall_64+0x30/0x40 # [ 66.663918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.669557] RIP: 0033:0x7f8f529f48f3 # [ 66.673548] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.694528] RSP: 002b:00007ffe798fe4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.702985] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8f529f48f3 # [ 66.710965] RDX: 0000000000000017 RSI: 00007f8f528e7000 RDI: 0000000000000001 # [ 66.718939] RBP: 00007f8f528e7000 R08: 00007f8f528e6010 R09: 0000000000000000 # [ 66.733119] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.741091] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.749066] irq event stamp: 0 # [ 66.752500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.765709] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.774845] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.783983] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.797199] ---[ end trace 633e44de706942f9 ]--- # [ 66.802355] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 66.929804] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.939435] lkdtm: attempting bad refcount_dec() from saturated # [ 66.946059] ------------[ cut here ]------------ # [ 66.957430] refcount_t: decrement hit 0; leaking memory. # [ 66.963396] WARNING: CPU: 2 PID: 2431 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.972832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.005463] CPU: 2 PID: 2431 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 67.014137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.020966] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.033027] Code: 50 bc 54 a6 c6 05 1d 27 94 01 01 e8 a9 65 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 bc 54 a6 c6 05 04 27 94 01 01 e8 8f 65 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.054017] RSP: 0018:ffffaf1b82dbfe48 EFLAGS: 00010286 # [ 67.059853] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.067823] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 67.075798] RBP: ffffffffa65b0334 R08: 0000000000000000 R09: 0000000000000000 # [ 67.089985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.097983] R13: ffffaf1b82dbff10 R14: ffffaf1b82dbff10 R15: ffffa04583574000 # [ 67.105970] FS: 00007f8390b1e580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 67.121214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.127630] CR2: 00007f8390927000 CR3: 0000000102708001 CR4: 00000000003706e0 # [ 67.135624] Call Trace: # [ 67.138368] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.150020] direct_entry.cold+0x2c/0x38 # [ 67.154400] full_proxy_write+0x53/0x80 # [ 67.158707] vfs_write+0xe7/0x3a0 # [ 67.162432] ksys_write+0x68/0xf0 # [ 67.166133] do_syscall_64+0x30/0x40 # [ 67.170149] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.175791] RIP: 0033:0x7f8390a348f3 # [ 67.179781] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.200762] RSP: 002b:00007ffde28f9d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.209218] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8390a348f3 # [ 67.217187] RDX: 0000000000000017 RSI: 00007f8390927000 RDI: 0000000000000001 # [ 67.225156] RBP: 00007f8390927000 R08: 00007f8390926010 R09: 0000000000000000 # [ 67.233124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.241096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.249069] irq event stamp: 0 # [ 67.252496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.259498] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.268633] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.277767] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.284768] ---[ end trace 633e44de706942fa ]--- # [ 67.289922] 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 # [ 67.412759] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.420695] lkdtm: attempting bad refcount_dec() from saturated # [ 67.427308] ------------[ cut here ]------------ # [ 67.432468] refcount_t: saturated; leaking memory. # [ 67.444058] WARNING: CPU: 2 PID: 2466 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.453493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.486129] CPU: 2 PID: 2466 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 67.494808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.507823] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.513660] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 27 94 01 00 75 ee 48 c7 c7 a0 bb 54 a6 c6 05 b1 27 94 01 01 e8 39 66 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d 27 94 01 00 75 cb 48 c7 c7 c8 bb 54 # [ 67.534642] RSP: 0018:ffffaf1b82e77e48 EFLAGS: 00010286 # [ 67.540478] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.548450] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 67.556421] RBP: ffffffffa65b034b R08: 0000000000000000 R09: 0000000000000000 # [ 67.564392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.572362] R13: ffffaf1b82e77f10 R14: ffffaf1b82e77f10 R15: ffffa045832cf000 # [ 67.580333] FS: 00007f0432e26580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 67.589373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.595791] CR2: 00007f0432c2f000 CR3: 000000010547e006 CR4: 00000000003706e0 # [ 67.603763] Call Trace: # [ 67.606495] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 67.611971] direct_entry.cold+0x2c/0x38 # [ 67.622557] full_proxy_write+0x53/0x80 # [ 67.626871] vfs_write+0xe7/0x3a0 # [ 67.630596] ksys_write+0x68/0xf0 # [ 67.634298] do_syscall_64+0x30/0x40 # [ 67.638314] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.643967] RIP: 0033:0x7f0432d3c8f3 # [ 67.654175] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.675157] RSP: 002b:00007fff00bdf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.683639] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0432d3c8f3 # [ 67.691611] RDX: 0000000000000017 RSI: 00007f0432c2f000 RDI: 0000000000000001 # [ 67.699581] RBP: 00007f0432c2f000 R08: 00007f0432c2e010 R09: 0000000000000000 # [ 67.707553] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.715523] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.723501] irq event stamp: 0 # [ 67.733120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.746336] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.761688] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.770823] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.777846] ---[ end trace 633e44de706942fb ]--- # [ 67.783015] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 67.908568] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 67.920869] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 67.934589] ------------[ cut here ]------------ # [ 67.945936] refcount_t: saturated; leaking memory. # [ 67.957552] WARNING: CPU: 1 PID: 2498 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.973166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.005802] CPU: 1 PID: 2498 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 68.020691] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.033714] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.045762] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 # [ 68.072975] RSP: 0018:ffffaf1b82effe38 EFLAGS: 00010282 # [ 68.085019] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.099202] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 68.113388] RBP: ffffffffa65aff78 R08: 0000000000000000 R09: 0000000000000000 # [ 68.127574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.135547] R13: ffffaf1b82efff10 R14: ffffaf1b82efff10 R15: ffffa04583040000 # [ 68.149727] FS: 00007f218283e580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 68.164982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.177613] CR2: 00007f2182647000 CR3: 0000000104d1a002 CR4: 00000000003706e0 # [ 68.191799] Call Trace: # [ 68.194533] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.206868] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.219402] direct_entry.cold+0x2c/0x38 # [ 68.230018] full_proxy_write+0x53/0x80 # [ 68.240517] vfs_write+0xe7/0x3a0 # [ 68.250429] ksys_write+0x68/0xf0 # [ 68.260344] do_syscall_64+0x30/0x40 # [ 68.270549] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.282404] RIP: 0033:0x7f21827548f3 # [ 68.292612] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.319809] RSP: 002b:00007fff0eb5bd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.334479] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21827548f3 # [ 68.342453] RDX: 0000000000000020 RSI: 00007f2182647000 RDI: 0000000000000001 # [ 68.356633] RBP: 00007f2182647000 R08: 00007f2182646010 R09: 0000000000000000 # [ 68.364606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.378786] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.386782] irq event stamp: 0 # [ 68.396377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.403382] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.418727] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.427865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.441076] ---[ end trace 633e44de706942fc ]--- # [ 68.446233] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 68.571315] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 68.584102] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 68.597794] ------------[ cut here ]------------ # [ 68.609156] refcount_t: saturated; leaking memory. # [ 68.620767] WARNING: CPU: 0 PID: 2530 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.636388] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.669057] CPU: 0 PID: 2530 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 68.683911] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.696936] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.708975] Code: 01 01 e8 16 66 95 00 0f 0b c3 cc cc cc cc 80 3d 7c 27 94 01 00 75 a8 48 c7 c7 a0 bb 54 a6 c6 05 6c 27 94 01 01 e8 f3 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 # [ 68.736182] RSP: 0018:ffffaf1b82f87e38 EFLAGS: 00010282 # [ 68.748219] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.762392] RDX: ffffa045fac2c660 RSI: ffffa045fac1bf70 RDI: ffffa045fac1bf70 # [ 68.776587] RBP: ffffffffa65aff98 R08: 0000000000000000 R09: 0000000000000000 # [ 68.790772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.804979] R13: ffffaf1b82f87f10 R14: ffffaf1b82f87f10 R15: ffffa045828de000 # [ 68.819167] FS: 00007f881d8c9580(0000) GS:ffffa045fac00000(0000) knlGS:0000000000000000 # [ 68.834435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.847063] CR2: 00007f881d6d2000 CR3: 00000001032ce003 CR4: 00000000003706f0 # [ 68.861254] Call Trace: # [ 68.870200] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.882539] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.895081] direct_entry.cold+0x2c/0x38 # [ 68.905672] full_proxy_write+0x53/0x80 # [ 68.916170] vfs_write+0xe7/0x3a0 # [ 68.926091] ksys_write+0x68/0xf0 # [ 68.936025] do_syscall_64+0x30/0x40 # [ 68.946210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.958071] RIP: 0033:0x7f881d7df8f3 # [ 68.968269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.995476] RSP: 002b:00007ffd66c0b228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.010132] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f881d7df8f3 # [ 69.024338] RDX: 0000000000000020 RSI: 00007f881d6d2000 RDI: 0000000000000001 # [ 69.038518] RBP: 00007f881d6d2000 R08: 00007f881d6d1010 R09: 0000000000000000 # [ 69.052717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.066957] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.081099] irq event stamp: 0 # [ 69.090755] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.103962] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.119342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.134652] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.147933] ---[ end trace 633e44de706942fd ]--- # [ 69.159266] 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 # [ 69.311916] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.321924] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.335644] ------------[ cut here ]------------ # [ 69.347005] refcount_t: underflow; use-after-free. # [ 69.352415] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.368027] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.400663] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 69.415527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.428549] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.434410] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.461602] RSP: 0018:ffffaf1b82fffe40 EFLAGS: 00010286 # [ 69.473654] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.487841] RDX: ffffa045facac660 RSI: ffffa045fac9bf70 RDI: ffffa045fac9bf70 # [ 69.502028] RBP: ffffffffa65affb8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.516214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.524213] R13: ffffaf1b82ffff10 R14: ffffaf1b82ffff10 R15: ffffa045828de000 # [ 69.538392] FS: 00007fd8bc134580(0000) GS:ffffa045fac80000(0000) knlGS:0000000000000000 # [ 69.553624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.560044] CR2: 00007fd8bbf3d000 CR3: 0000000104d32002 CR4: 00000000003706e0 # [ 69.574223] Call Trace: # [ 69.576971] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.589301] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 69.601838] direct_entry.cold+0x2c/0x38 # [ 69.612458] full_proxy_write+0x53/0x80 # [ 69.622971] vfs_write+0xe7/0x3a0 # [ 69.632882] ksys_write+0x68/0xf0 # [ 69.642797] do_syscall_64+0x30/0x40 # [ 69.653018] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.664875] RIP: 0033:0x7fd8bc04a8f3 # [ 69.675079] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.696064] RSP: 002b:00007ffe63fa3ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.710730] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd8bc04a8f3 # [ 69.718703] RDX: 0000000000000020 RSI: 00007fd8bbf3d000 RDI: 0000000000000001 # [ 69.732884] RBP: 00007fd8bbf3d000 R08: 00007fd8bbf3c010 R09: 0000000000000000 # [ 69.740858] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.755041] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.769252] irq event stamp: 0 # [ 69.778849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.785853] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.801195] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.810334] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.823542] ---[ end trace 633e44de706942fe ]--- # [ 69.828698] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 69.960858] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.972979] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.980475] ------------[ cut here ]------------ # [ 69.985658] refcount_t: underflow; use-after-free. # [ 69.997245] WARNING: CPU: 2 PID: 2600 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.006681] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.039313] CPU: 2 PID: 2600 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 70.047965] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.054775] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.066822] Code: 01 01 e8 f3 65 95 00 0f 0b c3 cc cc cc cc 80 3d 56 27 94 01 00 75 85 48 c7 c7 f8 bb 54 a6 c6 05 46 27 94 01 01 e8 d0 65 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 27 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.087828] RSP: 0018:ffffaf1b83087e40 EFLAGS: 00010286 # [ 70.093687] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.101680] RDX: ffffa045fad2c660 RSI: ffffa045fad1bf70 RDI: ffffa045fad1bf70 # [ 70.109664] RBP: ffffffffa65affd8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.123842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.131812] R13: ffffaf1b83087f10 R14: ffffaf1b83087f10 R15: ffffa04583004000 # [ 70.139785] FS: 00007f8394e08580(0000) GS:ffffa045fad00000(0000) knlGS:0000000000000000 # [ 70.148822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.155240] CR2: 00007f8394c11000 CR3: 0000000101272003 CR4: 00000000003706e0 # [ 70.163211] Call Trace: # [ 70.165960] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.172098] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.184628] direct_entry.cold+0x2c/0x38 # [ 70.189022] full_proxy_write+0x53/0x80 # [ 70.193328] vfs_write+0xe7/0x3a0 # [ 70.197052] ksys_write+0x68/0xf0 # [ 70.200753] do_syscall_64+0x30/0x40 # [ 70.204769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.210410] RIP: 0033:0x7f8394d1e8f3 # [ 70.214402] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.235383] RSP: 002b:00007ffec851d2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.243839] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8394d1e8f3 # [ 70.251811] RDX: 0000000000000020 RSI: 00007f8394c11000 RDI: 0000000000000001 # [ 70.259781] RBP: 00007f8394c11000 R08: 00007f8394c10010 R09: 0000000000000000 # [ 70.267749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.275719] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.283694] irq event stamp: 0 # [ 70.287131] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.294131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.303268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.312403] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.319406] ---[ end trace 633e44de706942ff ]--- # [ 70.330776] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 70.512365] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.523586] lkdtm: attempting good copy_to_user of correct size # [ 70.530214] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 70.655600] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.668190] lkdtm: attempting good copy_from_user of correct size # [ 70.675024] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 70.800022] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.807461] lkdtm: attempting good copy_to_user inside whitelist # [ 70.820409] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 70.946254] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.958849] lkdtm: attempting good copy_from_user inside whitelist # [ 70.971981] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 71.098187] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.110079] lkdtm: good_stack: ffffaf1b83427e20-ffffaf1b83427e40 # [ 71.116797] lkdtm: bad_stack : ffffaf1b83427da8-ffffaf1b83427dc8 # [ 71.123523] lkdtm: attempting good copy_to_user of local stack # [ 71.136249] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 71.258086] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.268138] lkdtm: good_stack: ffffaf1b834afe20-ffffaf1b834afe40 # [ 71.281072] lkdtm: bad_stack : ffffaf1b834afda8-ffffaf1b834afdc8 # [ 71.294035] lkdtm: attempting good copy_from_user of local stack # [ 71.306954] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 71.432361] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.444904] lkdtm: good_stack: ffffaf1b83507e20-ffffaf1b83507e40 # [ 71.451627] lkdtm: bad_stack : ffffaf1b83507ff8-ffffaf1b83508018 # [ 71.464565] lkdtm: attempting good copy_to_user of local stack # [ 71.477283] lkdtm: attempting bad copy_to_user of distant stack # [ 71.483950] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 71.601212] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.607833] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa61ce150 # [ 71.622738] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa4ee3580 # [ 71.637280] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 71.775630] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.786064] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.793952] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.801740] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.808456] CPU: 2 PID: 2965 Comm: cat Tainted: G D W 5.10.158-cip21 #1 # [ 71.817105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.823910] Call Trace: # [ 71.826639] dump_stack+0x77/0x9b # [ 71.830337] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 71.835491] direct_entry.cold+0x2c/0x38 # [ 71.839869] full_proxy_write+0x53/0x80 # [ 71.844148] vfs_write+0xe7/0x3a0 # [ 71.847837] ksys_write+0x68/0xf0 # [ 71.851527] do_syscall_64+0x30/0x40 # [ 71.855517] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.861156] RIP: 0033:0x7f9570a9d8f3 # [ 71.865145] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.886128] RSP: 002b:00007ffc0be0f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.894584] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9570a9d8f3 # [ 71.902554] RDX: 0000000000000012 RSI: 00007f9570990000 RDI: 0000000000000001 # [ 71.910523] RBP: 00007f9570990000 R08: 00007f957098f010 R09: 0000000000000000 # [ 71.918492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.926462] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 72.049791] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.058891] lkdtm: Calling matched prototype ... # [ 72.064064] lkdtm: Calling mismatched prototype ... # [ 72.069524] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #