[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 28021 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. 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 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC... apic_id: 0x02 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 229 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 376233 run 170355 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8976 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8967 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 8975 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 90971 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107759 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 14161 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 14158 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 22377 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 53528 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 13863 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 11312 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 9258 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 10047 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 10050 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466110 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486217 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826079 exit 39249 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.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: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114187 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 283 run 139313 exit 18742 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 30839 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2247 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 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23484 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 23826 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24458 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-10-26 10:07:21 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-26 10:07:21 UTC ELOG: Event(92) added with size 9 at 2022-10-26 10:07:21 UTC ELOG: Event(9A) added with size 9 at 2022-10-26 10:07:21 UTC ELOG: Event(AD) added with size 10 at 2022-10-26 10:07:21 UTC ELOG: Event(9F) added with size 14 at 2022-10-26 10:07:21 UTC BS: BS_DEV_INIT times (us): entry 0 run 417075 exit 60039 ELOG: Event(A1) added with size 10 at 2022-10-26 10:07:21 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-26 10:07:21 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 25562 run 3968 exit 5194 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 59 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum ddc9 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 534150 exit 146872 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 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 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 612 run 261975 exit 135699 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 7724722/tftp-deploy-sou0eiyj/kernel/bzImage 7724722/tftp-deploy-sou0eiyj/kernel/cmdline 7724722/tftp-deploy-sou0eiyj/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7724722/tftp-deploy-sou0eiyj/kernel/bzImaoy-sou0eiyj/kernel/cmdline 7724722/tftp-deploy-sou0eiyj/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7724722/tftp-deploy-sou0eiyj/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 13867232 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: 7724722/tftp-deploy-sou0eiyj/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/7724722/extract-nfsrootfs-7eskguet,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: 18626504 Starting kernel ... [ 0.000000] Linux version 5.10.147-cip18 (KernelCI@build-j387270-x86-64-gcc-10-x86-64-defconfig-x86-chromeboovb8pt) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Oct 26 09:55:52 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/7724722/extract-nfsrootfs-7eskguet,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001407] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007245] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026495] check: Scanning 1 areas for low memory corruption [ 0.026508] Using GB pages for direct mapping [ 0.027272] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.027280] ACPI: Early table checksum verification disabled [ 0.027288] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027303] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027320] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027337] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027351] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027363] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027375] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027388] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027401] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027413] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027426] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027439] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027452] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027464] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027477] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027483] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027487] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027492] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027497] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027502] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027507] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027512] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027517] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027521] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027526] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027531] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027672] No NUMA configuration found [ 0.027677] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027687] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027734] Zone ranges: [ 0.027739] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027747] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027754] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027762] Movable zone start for each node [ 0.027766] Early memory node ranges [ 0.027772] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027777] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027782] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027788] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027825] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027870] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039305] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039389] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039415] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039775] ACPI: PM-Timer IO Port: 0x1808 [ 0.039833] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039847] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039853] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039868] Using ACPI (MADT) for SMP configuration information [ 0.039875] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039883] TSC deadline timer available [ 0.039888] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039919] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039925] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039931] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039936] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039941] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039945] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039950] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039955] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039959] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039964] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039968] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039973] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039977] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039982] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039986] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039995] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.040004] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054549] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054844] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054928] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054933] Policy zone: Normal [ 0.054948] 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/7724722/extract-nfsrootfs-7eskguet,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055496] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055773] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055867] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078210] Memory: 3888360K/4089052K available (18450K kernel code, 3458K rwdata, 6764K rodata, 2032K init, 13308K bss, 200432K reserved, 0K cma-reserved) [ 0.078371] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078436] Kernel/User page tables isolation: enabled [ 0.078519] ftrace: allocating 52740 entries in 207 pages [ 0.139243] ftrace: allocated 207 pages with 6 groups [ 0.139565] Running RCU self tests [ 0.139584] rcu: Hierarchical RCU implementation. [ 0.139589] rcu: RCU event tracing is enabled. [ 0.139594] rcu: RCU lockdep checking is enabled. [ 0.139599] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.139605] Rude variant of Tasks RCU enabled. [ 0.139609] Tracing variant of Tasks RCU enabled. [ 0.139615] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.139620] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.150336] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.150825] random: crng init done [ 0.150939] Console: colour dummy device 80x25 [ 0.226210] printk: console [ttyS0] enabled [ 0.226579] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.227241] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.227602] ... MAX_LOCK_DEPTH: 48 [ 0.227970] ... MAX_LOCKDEP_KEYS: 8192 [ 0.228353] ... CLASSHASH_SIZE: 4096 [ 0.228735] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.229125] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.229515] ... CHAINHASH_SIZE: 32768 [ 0.229905] memory used by lock dependency info: 6365 kB [ 0.230374] memory used for stack traces: 4224 kB [ 0.230793] per task-struct memory footprint: 1920 bytes [ 0.231323] ACPI: Core revision 20200925 [ 0.231931] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.232431] APIC: Switch to symmetric I/O mode setup [ 0.236951] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.237875] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.238782] pid_max: default: 32768 minimum: 301 [ 0.238856] LSM: Security Framework initializing [ 0.238856] SELinux: Initializing. [ 0.238856] LSM support for eBPF active [ 0.238856] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.238856] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.238856] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.238856] process: using mwait in idle threads [ 0.238856] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.238856] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.238856] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.238856] Spectre V2 : Mitigation: IBRS [ 0.238856] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.238856] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.238856] RETBleed: Mitigation: IBRS [ 0.238856] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.238856] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.238856] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.238856] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.238856] SRBDS: Vulnerable: No microcode [ 0.238856] ------------[ cut here ]------------ [ 0.238856] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.238856] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.238856] Modules linked in: [ 0.238856] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.147-cip18 #1 [ 0.238856] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.238856] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.238856] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 f8 01 0c 9e c6 05 9d 49 e4 01 01 e8 76 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.238856] RSP: 0000:ffffffff9e403de0 EFLAGS: 00010282 [ 0.238856] RAX: 0000000000000000 RBX: ffffffff9eed2ad4 RCX: 0000000000000000 [ 0.238856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9c97a891 [ 0.238856] RBP: ffffffff9dd9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.238856] R10: ffffffff9e48fbc0 R11: 3fffffffffffffff R12: ffffffff9eee9c44 [ 0.238856] R13: cccccccccccccccc R14: ffffffff9dd9b325 R15: 0000000000000004 [ 0.238856] FS: 0000000000000000(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 0.238856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.238856] CR2: ffff94a346201000 CR3: 0000000104a26001 CR4: 00000000003706f0 [ 0.238856] Call Trace: [ 0.238856] alternative_instructions+0x7d/0x143 [ 0.238856] check_bugs+0xedd/0xf39 [ 0.238856] start_kernel+0x517/0x54d [ 0.238856] secondary_startup_64_no_verify+0xc2/0xcb [ 0.238856] irq event stamp: 162097 [ 0.238856] hardirqs last enabled at (162105): [] console_unlock+0x4d1/0x5f0 [ 0.238856] hardirqs last disabled at (162112): [] console_unlock+0x444/0x5f0 [ 0.238856] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.238856] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.238856] ---[ end trace 4b72338f81876801 ]--- [# 0.238856] Freeing SMP alternatives memory: 44K [ 0.238856] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.239804] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.239876] ... version: 4 [ 0.240235] ... bit width: 48 [ 0.240598] ... generic registers: 4 [ 0.240864] ... value mask: 0000ffffffffffff [ 0.241331] ... max period: 00007fffffffffff [ 0.241794] ... fixed-purpose events: 3 [ 0.241865] ... event mask: 000000070000000f [ 0.243015] rcu: Hierarchical SRCU implementation. [ 0.245941] smp: Bringing up secondary CPUs ... [ 0.247380] x86: Booting SMP configuration: [ 0.247778] .... node #0, CPUs: #1 [ 0.248389] 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. [ 0.249867] 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. [ 0.251753] #2 #3 [ 0.254561] smp: Brought up 1 node, 4 CPUs [ 0.255240] smpboot: Max logical packages: 1 [ 0.255622] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.258870] devtmpfs: initialized [ 0.259628] x86/mm: Memory block size: 128MB [ 0.265095] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.265889] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.267066] pinctrl core: initialized pinctrl subsystem [ 0.267984] PM: RTC time: 10:07:35, date: 2022-10-26 [ 0.269150] NET: Registered protocol family 16 [ 0.270590] audit: initializing netlink subsys (disabled) [ 0.270930] audit: type=2000 audit(1666778855.033:1): state=initialized audit_enabled=0 res=1 [ 0.272039] thermal_sys: Registered thermal governor 'step_wise' [ 0.272046] thermal_sys: Registered thermal governor 'user_space' [ 0.272682] cpuidle: using governor menu [ 0.273298] ACPI: bus type PCI registered [ 0.274371] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.274873] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.275504] PCI: Using configuration type 1 for base access [ 0.307367] Kprobes globally optimized [ 0.308044] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.308481] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.309119] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.313216] ACPI: Added _OSI(Module Device) [ 0.313595] ACPI: Added _OSI(Processor Device) [ 0.313889] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.314307] ACPI: Added _OSI(Processor Aggregator Device) [ 0.314785] ACPI: Added _OSI(Linux-Dell-Video) [ 0.314873] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.315363] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.332787] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.343815] ACPI: EC: EC started [ 0.343863] ACPI: EC: interrupt blocked [ 0.345266] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.345717] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.345865] ACPI: Interpreter enabled [ 0.346290] ACPI: (supports S0 S3 S4 S5) [ 0.346644] ACPI: Using IOAPIC for interrupt routing [ 0.346970] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.371558] ACPI: Power Resource [PRIC] (on) [ 0.508318] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.508872] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.510075] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.510767] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.511716] PCI host bridge to bus 0000:00 [ 0.511871] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.512464] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.512867] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.513515] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.513867] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.514514] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.514866] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.515515] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.515866] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.516514] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.516867] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.517514] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.517867] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.518515] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.518867] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.519515] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.519866] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.520515] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.520867] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.521515] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.521867] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.522459] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.524266] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.524820] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.524883] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.525520] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.526775] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.526896] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.528538] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.528896] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.530398] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.530910] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.531670] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.532941] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.533509] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.534807] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.534918] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.536628] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.536917] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.538674] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.538917] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.539537] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.540944] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.541517] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.543036] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.543791] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.544934] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.545507] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.547008] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.547580] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.548994] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.549561] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.551158] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.551726] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.552944] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.554541] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.554902] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.556507] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.556915] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.557567] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.558001] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.559577] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.559934] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.560599] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.561875] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.562440] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.564559] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.565806] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.570343] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.573295] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.573752] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.575699] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.576257] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.577245] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578250] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579244] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580250] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.581244] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582243] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.590505] ACPI: EC: interrupt unblocked [ 0.590863] ACPI: EC: event unblocked [ 0.591210] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.591662] ACPI: EC: GPE=0x6e [ 0.591875] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.592490] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.593462] iommu: Default domain type: Translated [ 0.594163] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.594500] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.594910] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.595414] vgaarb: loaded [ 0.596381] SCSI subsystem initialized [ 0.597148] ACPI: bus type USB registered [ 0.597665] usbcore: registered new interface driver usbfs [ 0.597941] usbcore: registered new interface driver hub [ 0.598461] usbcore: registered new device driver usb [ 0.599028] pps_core: LinuxPPS API ver. 1 registered [ 0.599466] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.599880] PTP clock support registered [ 0.600926] Advanced Linux Sound Architecture Driver Initialized. [ 0.602727] NetLabel: Initializing [ 0.602866] NetLabel: domain hash size = 128 [ 0.603254] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.603837] NetLabel: unlabeled traffic allowed by default [ 0.604022] PCI: Using ACPI for IRQ routing [ 0.612317] clocksource: Switched to clocksource tsc-early [ 1.155547] VFS: Disk quotas dquot_6.6.0 [ 1.155990] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.157131] pnp: PnP ACPI init [ 1.158523] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.159136] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.159718] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.160320] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.160923] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.161506] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.162138] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.162747] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.163349] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.163951] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.165782] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.166855] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.167740] system 00:04: [io 0x0200] has been reserved [ 1.168239] system 00:04: [io 0x0204] has been reserved [ 1.168713] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.169257] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.173079] pnp: PnP ACPI: found 6 devices [ 1.190902] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.191828] NET: Registered protocol family 2 [ 1.192431] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.195196] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.196218] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.197184] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.200098] TCP: Hash tables configured (established 32768 bind 32768) [ 1.201079] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.202096] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.203019] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.204133] NET: Registered protocol family 1 [ 1.205423] RPC: Registered named UNIX socket transport module. [ 1.206003] RPC: Registered udp transport module. [ 1.206422] RPC: Registered tcp transport module. [ 1.206840] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.208199] NET: Registered protocol family 44 [ 1.208619] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.209103] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.209713] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.210271] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.210811] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.211498] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.212113] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.212711] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.213323] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.213942] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.214546] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.215166] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.215770] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.216388] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.217011] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.217615] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.218235] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.218839] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.219459] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.220077] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.220696] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.221316] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.221935] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.223105] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.226520] PCI: CLS 64 bytes, default 64 [ 1.227388] Unpacking initramfs... [ 1.599343] Freeing initrd memory: 8432K [ 1.599861] DMAR: Host address width 39 [ 1.600262] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.600804] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.601587] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.602156] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.602645] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.603462] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.604042] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.605025] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.605709] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.606292] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.606788] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.607276] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.607771] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.610577] kvm: already loaded the other module [ 1.623388] check: Scanning for low memory corruption every 60 seconds [ 1.628109] Initialise system trusted keyrings [ 1.628819] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.655844] NFS: Registering the id_resolver key type [ 1.656368] Key type id_resolver registered [ 1.656770] Key type id_legacy registered [ 1.679809] Key type asymmetric registered [ 1.680237] Asymmetric key parser 'x509' registered [ 1.680732] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.681410] io scheduler mq-deadline registered [ 1.681813] io scheduler kyber registered [ 1.682470] test_firmware: interface ready [ 1.684904] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.687098] ACPI: AC Adapter [AC] (on-line) [ 1.687991] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.689930] ACPI: Lid Switch [LID0] [ 1.690592] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.691573] ACPI: Power Button [PWRF] [ 1.692475] ACPI: \_PR_.CP00: Found 3 idle states [ 1.693848] ACPI: \_PR_.CP01: Found 3 idle states [ 1.695059] ACPI: \_PR_.CP02: Found 3 idle states [ 1.696280] ACPI: \_PR_.CP03: Found 3 idle states [ 1.698110] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.702657] hpet_acpi_add: no address or irqs in _CRS [ 1.703500] Non-volatile memory driver v1.3 [ 1.704143] Linux agpgart interface v0.103 [ 1.704794] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.708127] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.761402] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.762788] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.763733] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.764949] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.795863] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.800365] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.823843] loop: module loaded [ 1.825237] lkdtm: No crash points registered, enable through debugfs [ 1.857300] printk: console [ttyS0] disabled [ 1.858762] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.637097] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.645358] printk: console [ttyS0] enabled [ 2.653834] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 5.294397] clocksource: Switched to clocksource tsc [ 5.294595] fbcon: i915drmfb (fb0) is primary device [ 5.311419] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.314212] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.325679] e100: Intel(R) PRO/100 Network Driver [ 5.325685] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.325789] e1000: Intel(R) PRO/1000 Network Driver [ 5.325793] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.326002] e1000e: Intel(R) PRO/1000 Network Driver [ 5.326006] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.326142] sky2: driver version 1.30 [ 5.326672] usbcore: registered new interface driver r8152 [ 5.327169] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.327475] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.327506] ehci-pci: EHCI PCI platform driver [ 5.327613] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.327640] ohci-pci: OHCI PCI platform driver [ 5.327735] uhci_hcd: USB Universal Host Controller Interface driver [ 5.329545] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.330753] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.332277] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.332347] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.335361] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.335391] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.335398] usb usb1: Product: xHCI Host Controller [ 5.335404] usb usb1: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 5.335411] usb usb1: SerialNumber: 0000:00:14.0 [ 5.337816] hub 1-0:1.0: USB hub found [ 5.338063] hub 1-0:1.0: 12 ports detected [ 5.341128] Console: switching to colour frame buffer device 240x67 [ 5.343931] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.344493] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.344511] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.345233] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.345243] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.345262] usb usb2: Product: xHCI Host Controller [ 5.345266] usb usb2: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 5.345270] usb usb2: SerialNumber: 0000:00:14.0 [ 5.347421] hub 2-0:1.0: USB hub found [ 5.347606] hub 2-0:1.0: 6 ports detected [ 5.351245] usbcore: registered new interface driver usblp [ 5.351367] usbcore: registered new interface driver usb-storage [ 5.351702] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.352181] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.352357] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.352362] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.353260] i8042: Warning: Keylock active [ 5.353587] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.357358] rtc_cmos 00:02: RTC can wake from S4 [ 5.360544] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.365162] rtc_cmos 00:02: registered as rtc0 [ 5.365446] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.367225] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.367284] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.369267] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.371259] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.375827] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.381300] intel_pstate: Intel P-state driver initializing [ 5.504819] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.533151] intel_pstate: HWP enabled [ 5.593945] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.596772] sdhci: Secure Digital Host Controller Interface driver [ 5.732045] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.736703] sdhci: Copyright(c) Pierre Ossman [ 5.736743] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.746165] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.754770] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.834588] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.844649] hid: raw HID events driver (C) Jiri Kosina [ 5.850901] usbcore: registered new interface driver usbhid [ 5.857138] usbhid: USB HID core driver [ 5.861925] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.879693] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.886579] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.887338] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.905255] netem: version 1.3 [ 5.908977] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.915601] gre: GRE over IPv4 demultiplexor driver [ 5.921076] ip_gre: GRE over IPv4 tunneling driver [ 5.926621] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.927486] IPv4 over IPsec tunneling driver [ 5.935790] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.940885] Initializing XFRM netlink socket [ 5.948546] usb 2-3: Product: USB 10/100/1000 LAN [ 5.953957] NET: Registered protocol family 10 [ 5.958602] usb 2-3: Manufacturer: Realtek [ 5.964511] Segment Routing with IPv6 [ 5.968162] usb 2-3: SerialNumber: 001000001 [ 5.977818] ip6_gre: GRE over IPv6 tunneling driver [ 5.983576] NET: Registered protocol family 17 [ 5.988730] Key type dns_resolver registered [ 5.994339] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 6.000570] microcode: Microcode Update Driver: v2.2. [ 6.000578] IPI shorthand broadcast: enabled [ 6.011062] sched_clock: Marking stable (5923944888, 87074494)->(6128369234, -117349852) [ 6.020433] registered taskstats version 1 [ 6.025039] Loading compiled-in X.509 certificates [ 6.029907] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.033192] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.047842] mmc0: new HS400 MMC card at address 0001 [ 6.048008] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.054123] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.063005] PM: Magic number: 10:104:124 [ 6.066855] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.078159] printk: console [netcon0] enabled [ 6.078192] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.083041] netconsole: network logging started [ 6.100268] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.108584] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.113024] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.129279] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.133512] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.208265] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.217444] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.225442] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.230815] usb 1-9: Manufacturer: Azurewave [ 6.235604] usb 1-9: SerialNumber: 0x0001 [ 6.247522] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.289268] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.339920] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.382710] r8152 2-3:1.0 eth0: v1.11.11 [ 6.388046] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.388658] IP-Config: Failed to open gretap0 [ 6.401435] IP-Config: Failed to open erspan0 [ 6.424181] Sending DHCP requests . [ 7.977797] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.989192] r8152 2-3:1.0 eth0: carrier on [ 9.260010] ., OK [ 9.270303] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 [ 9.279291] IP-Config: Complete: [ 9.282931] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 [ 9.294624] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) [ 9.303882] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 9.303886] nameserver0=192.168.201.1 [ 9.316761] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.328320] modprobe (102) used greatest stack depth: 14208 bytes left [ 9.331529] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.343067] ALSA device list: [ 9.346606] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.347899] No soundcards found. [ 9.356276] cfg80211: failed to load regulatory.db [ 9.365853] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.375821] Freeing unused kernel image (initmem) memory: 2032K [ 9.393188] Write protecting the kernel read-only data: 28672k [ 9.400897] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.408881] Freeing unused kernel image (rodata/data gap) memory: 1428K [ 9.416382] Run /init as init process Loading, please wait... [ 9.431433] all_generic_ide (119) used greatest stack depth: 14192 bytes left Starting version 247.3-7+deb11u1 [ 9.440103] systemd-udevd (124) used greatest stack depth: 13736 bytes left [ 9.496190] udevadm (126) used greatest stack depth: 13576 bytes left [ 9.645718] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.658667] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.686894] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.743905] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.754265] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.764744] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.778593] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.788788] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.799500] 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:68:04:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.994702] 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 [ 11.182549] 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) [ 11.220223] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 11.246903] systemd[1]: Set hostname to . [ 11.727485] systemd[1]: Queued start job for default target Graphical Interface. [ 11.738907] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.754549] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.770554] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.787493] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.803438] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.822313] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.843980] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.864260] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.880168] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.891121] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.907214] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.918145] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.929442] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.947153] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.964135] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.980645] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.996074] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 12.014348] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 12.030551] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 12.048002] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 12.064106] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 12.083130] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 12.099786] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 12.119130] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 12.139988] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 12.154760] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 12.169810] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 12.206959] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.217566] fuse: init (API version 7.32) [ 12.223845] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 12.240379] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 12.253766] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 12.271633] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 12.288813] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 12.304274] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 12.320262] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 12.335279] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 12.351549] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 12.374184] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.381497] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.397989] systemd[1]: modprobe@drm.service: Succeeded. [ 12.404789] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.421235] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... [ 12.526927] systemd-journald[198]: Received client request to flush runtime journal. Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 14.040348] systemd-tmpfile (209) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.147-cip18 #1 SMP Wed Oct 26 09:55:52 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/7724722/extract-nfsrootfs-7eskguet' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7724722/extract-nfsrootfs-7eskguet' / # 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-7724722/environment . /lava-7724722/environment / # /lava-7724722/bin/lava-test-runner /lava-7724722/0 /lava-7724722/bin/lava-test-runner /lava-7724722/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7724722/0/tests/0_timesync-off ++ cat uuid + UUID=7724722_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7724722/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7724722_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/v5.10.147-cip18-12-g7bc9523ecfb7f/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7724722/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-26 10:08:11-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-12-g7bc9523ecfb7f/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: 3541196 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 6%[> ] 217.50K 375KB/s kselftest.tar.xz 24%[===> ] 832.61K 838KB/s kselftest.tar.xz 40%[=======> ] 1.38M 1.02MB/s kselftest.tar.xz 86%[================> ] 2.93M 1.86MB/s kselftest.tar.xz 91%[=================> ] 3.08M 1.55MB/s kselftest.tar.xz 91%[=================> ] 3.08M 1.36MB/s kselftest.tar.xz 91%[=================> ] 3.09M 1.21MB/s kselftest.tar.xz 97%[==================> ] 3.31M 1.16MB/s kselftest.tar.xz 100%[===================>] 3.38M 1.12MB/s in 3.0s 2022-10-26 10:08:14 (1.12 MB/s) - 'kselftest.tar.xz' saved [3541196/3541196] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 48.884803] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 49.053807] lkdtm: Performing direct entry BUG [ 49.058850] ------------[ cut here ]------------ [ 49.064203] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 49.070274] invalid opcode: 0000 [#1] SMP PTI [ 49.075138] CPU: 0 PID: 725 Comm: cat Tainted: G W 5.10.147-cip18 #1 [ 49.083689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.090496] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.094878] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 49.115856] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 49.121690] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.129657] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 49.137616] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 49.145584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.153552] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 49.161511] FS: 00007f12b93c6580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 49.170547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.176962] CR2: 00007f12b91cf000 CR3: 0000000107446003 CR4: 00000000003706f0 [ 49.184921] Call Trace: [ 49.187650] direct_entry.cold+0x2c/0x38 [ 49.192024] full_proxy_write+0x53/0x80 [ 49.196313] vfs_write+0xe7/0x3a0 [ 49.200017] ksys_write+0x68/0xf0 [ 49.203715] do_syscall_64+0x30/0x40 [ 49.207709] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.213349] RIP: 0033:0x7f12b92dc8f3 [ 49.217337] 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 [ 49.238312] RSP: 002b:00007ffe4befdc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.246766] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12b92dc8f3 [ 49.254733] RDX: 0000000000000004 RSI: 00007f12b91cf000 RDI: 0000000000000001 [ 49.262701] RBP: 00007f12b91cf000 R08: 00007f12b91ce010 R09: 0000000000000000 [ 49.270667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.278634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.286606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.313074] ---[ end trace 4b72338f81876803 ]--- [ 49.318236] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.322679] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 49.343756] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 49.349635] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.357633] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 49.365627] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 49.373629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.381620] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 49.389619] FS: 00007f12b93c6580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 49.398674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.405125] CR2: 00007f12b91cf000 CR3: 0000000107446003 CR4: 00000000003706f0 # Segmentation fault # [ 49.053807] lkdtm: Performing direct entry BUG # [ 49.058850] ------------[ cut here ]------------ # [ 49.064203] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 49.070274] invalid opcode: 0000 [#1] SMP PTI # [ 49.075138] CPU: 0 PID: 725 Comm: cat Tainted: G W 5.10.147-cip18 #1 # [ 49.083689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.090496] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.094878] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 49.115856] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 49.121690] RAX[ 49.518100] lkdtm: Performing direct entry WARNING [ 49.529269] ------------[ cut here ]------------ : ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.534439] WARNING: CPU: 2 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 49.550070] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.129657] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI[ 49.576535] CPU: 2 PID: 761 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 49.591300] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.598138] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 49.603005] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db [ 49.623987] RSP: 0018:ffffa645414dfe60 EFLAGS: 00010202 [ 49.629826] RAX: ffffffff9d0dea00 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.637799] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffffffff9dd9aea0 [ 49.645772] RBP: ffffffff9e181ee7 R08: 0000000000000000 R09: 0000000000000000 [ 49.653767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 49.661740] R13: ffffa645414dff10 R14: ffffa645414dff10 R15: ffff94a349698000 [ 49.669741] FS: 00007f7c5b03d580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 49.678784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.685203] CR2: 00007f7c5ae46000 CR3: 0000000108d74002 CR4: 00000000003706e0 [ 49.693176] Call Trace: [ 49.695911] direct_entry.cold+0x2c/0x38 : ffffffff9dd9ae90 # [ 49.137616] RBP: ffffffff9e1dd3c0 R08: [ 49.700301] full_proxy_write+0x53/0x80 0000000000000001 R09: 0000000000000001 # [ 49.145584] R10: 00[ 49.710797] vfs_write+0xe7/0x3a0 [ 49.720710] ksys_write+0x68/0xf0 [ 49.724417] do_syscall_64+0x30/0x40 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 49.728435] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.740284] RIP: 0033:0x7f7c5af538f3 [ 49.744274] 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 [ 49.765279] RSP: 002b:00007ffda9bb4d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 49.153552] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ff[ 49.773750] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7c5af538f3 [ 49.787945] RDX: 0000000000000008 RSI: 00007f7c5ae46000 RDI: 0000000000000001 [ 49.795929] RBP: 00007f7c5ae46000 R08: 00007f7c5ae45010 R09: 0000000000000000 [ 49.803940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.811911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff94a348d47000 # [ 49.161511] FS: 00007f12b93c6580(0000) GS:[ 49.819900] irq event stamp: 0 [ 49.829516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.836517] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.845652] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.854787] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.861785] ---[ end trace 4b72338f81876804 ]--- ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 49.170547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.176962] CR2: 00007f12b91cf000 CR3: 0000000107446003 CR4: 00000000003706f0 # [ 49.184921] Call Trace: # [ 49.187650] direct_entry.cold+0x2c/0x38 # [ 49.192024] full_proxy_write+0x53/0x80 # [ 49.196313] vfs_write+0xe7/0x3a0 # [ 49.200017] ksys_write+0x68/0xf0 # [ 49.203715] do_syscall_64+0x30/0x40 # [ 49.207709] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.213349] RIP: 0033:0x7f12b92dc8f3 # [ 49.217337] 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 # [ 49.940571] lkdtm: Performing direct entry WARNING_MESSAGE [ 49.947710] ------------[ cut here ]------------ [ 49.952873] Warning message trigger count: 2 [ 49.957677] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.238312] RSP: 002b:00007ffe4befdc88 EFLAGS: 00000246 ORIG_[ 49.967888] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.000524] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.147-cip18 #1 RAX: 0000000000000001 # [ 49.246766] RAX: ffffffffffffffda RB[ 50.009106] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 X: 0000000000000004 RCX: 00007f12b92dc8f3 # [ 49.254733] RDX:[ 50.022124] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 50.033976] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 18 9e 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 50.054958] RSP: 0018:ffffa64541597e60 EFLAGS: 00010286 [ 50.060792] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 50.068764] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 50.076757] RBP: ffffffff9e181eef R08: 0000000000000000 R09: 0000000000000000 0000000000000004 RSI: 00007f12b91cf000 RDI: 0000000000000001 #[ 50.084740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 50.098931] R13: ffffa64541597f10 R14: ffffa64541597f10 R15: ffff94a340927000 [ 50.106945] FS: 00007f851660c580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 50.115983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.122401] CR2: 00007f8516415000 CR3: 0000000107556005 CR4: 00000000003706e0 [ 50.130371] Call Trace: [ 50.133101] direct_entry.cold+0x2c/0x38 [ 50.137514] full_proxy_write+0x53/0x80 [ 50.141828] vfs_write+0xe7/0x3a0 [ 50.145552] ksys_write+0x68/0xf0 [ 50.149252] do_syscall_64+0x30/0x40 [ 50.153268] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.158945] RIP: 0033:0x7f85165228f3 [ 50.162944] 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 [ 50.183941] RSP: 002b:00007ffc9e1c5b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.192398] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f85165228f3 [ 50.200368] RDX: 0000000000000010 RSI: 00007f8516415000 RDI: 0000000000000001 [ 50.208339] RBP: 00007f8516415000 R08: 00007f8516414010 R09: 0000000000000000 [ 50.216312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.224281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.232257] irq event stamp: 0 [ 50.235694] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.242694] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.251830] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.260965] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.267964] ---[ end trace 4b72338f81876805 ]--- [ 49.262701] RBP: 00007f12b91cf000 R08: 00007f12b91ce010 R09: 0000000000000000 # [ 49.270667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.278634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.286606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.313074] ---[ end trace 4b72338f81876803 ]--- # [ 49.318236] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.322679] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 4[ 50.347325] lkdtm: Performing direct entry EXCEPTION [ 50.353298] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 50.361080] #PF: supervisor write access in kernel mode [ 50.366903] #PF: error_code(0x0002) - not-present page [ 50.372638] PGD 0 P4D 0 [ 50.375463] Oops: 0002 [#2] SMP PTI [ 50.379345] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 50.387898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.394696] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 50.399659] Code: 48 c7 c7 48 24 18 9e 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 50.426852] RSP: 0018:ffffa645415efe60 EFLAGS: 00010286 [ 50.432685] RAX: ffffffff9d0dea50 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.440654] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9dd9aec0 [ 50.448622] RBP: ffffffff9e0b7367 R08: 0000000000000000 R09: 0000000000000000 [ 50.456592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.464560] R13: ffffa645415eff10 R14: ffffa645415eff10 R15: ffff94a348ff9000 [ 50.472529] FS: 00007f4f30b9b580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 50.481566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.487981] CR2: 0000000000000000 CR3: 00000001087fe004 CR4: 00000000003706e0 [ 50.495951] Call Trace: [ 50.498678] direct_entry.cold+0x2c/0x38 [ 50.503057] full_proxy_write+0x53/0x80 [ 50.507339] vfs_write+0xe7/0x3a0 [ 50.511037] ksys_write+0x68/0xf0 [ 50.514727] do_syscall_64+0x30/0x40 [ 50.518715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.524346] RIP: 0033:0x7f4f30ab18f3 [ 50.528334] 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 [ 50.549317] RSP: 002b:00007ffeaad5e088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.557772] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f30ab18f3 [ 50.565741] RDX: 000000000000000a RSI: 00007f4f309a4000 RDI: 0000000000000001 [ 50.573711] RBP: 00007f4f309a4000 R08: 00007f4f309a3010 R09: 0000000000000000 [ 50.581679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.589647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.597619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 20 db 92 02 # [ 49.343756] RSP: 0018:ffffa645414a7e60 EFLAGS:[ 50.624080] CR2: 0000000000000000 [ 50.633991] ---[ end trace 4b72338f81876806 ]--- [ 50.639135] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.643513] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 50.664486] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 50.670318] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.678287] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 50.686256] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 50.694224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.702193] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 50.710162] FS: 00007f4f30b9b580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 50.719200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.725615] CR2: 0000000000000000 CR3: 00000001087fe004 CR4: 00000000003706e0 [ 50.733585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.743488] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 50.751845] INFO: lockdep is turned off. [ 50.756219] irq event stamp: 0 [ 50.759623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.766622] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.775747] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.784892] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.791892] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 50.800443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.807245] Call Trace: [ 50.809972] dump_stack+0x77/0x9b [ 50.813670] ___might_sleep.cold+0xa6/0xb6 [ 50.818243] exit_signals+0x1c/0x2e0 [ 50.822232] do_exit+0xd5/0xb00 [ 50.825728] ? ksys_write+0x68/0xf0 [ 50.829620] rewind_stack_do_exit+0x17/0x20 [ 50.834287] RIP: 0033:0x7f4f30ab18f3 [ 50.838274] 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 [ 50.859256] RSP: 002b:00007ffeaad5e088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.867710] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f30ab18f3 [ 50.875678] RDX: 000000000000000a RSI: 00007f4f309a4000 RDI: 0000000000000001 [ 50.883646] RBP: 00007f4f309a4000 R08: 00007f4f309a3010 R09: 0000000000000000 [ 50.891614] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.899581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00010286 # [ 49.349635] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.357633] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 49.365627] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 49.373629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.381620] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 49.389619] FS: 00007f12b93c6580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 49.398674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.405125] CR2: 00007f12b91cf000 CR3: 0000000107446003 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 49.518100] lkdtm: Performing direct entry WARNING # [ 49.529269] ------------[ cut here ]------------ # [ 49.534439] WARNING: CPU: 2 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 49.550070] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.576535] CPU: 2 PID: 761 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 49.591300] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.598138] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 49.603005] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db # [ 49.623987] RSP: 0018:ffffa645414dfe60 EFLAGS: 00010202 # [ 49.629826] RAX: ffffffff9d0dea00 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49.637799] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffffffff9dd9aea0 # [ 49.645772] RBP: ffffffff9e181ee7 R08: 0000000000000000 R09: 0000000000000000 # [ 49.653767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.661740] R13: ffffa645414dff10 R14: ffffa645414dff10 R15: ffff94a349698000 # [ [ 51.118198] lkdtm: Performing direct entry CORRUPT_LIST_ADD 49.669741] FS: 00007f7c5b03d580(0000) GS:ffff94a3bad00000(000[ 51.125154] lkdtm: attempting good list addition 0) knlGS:0000000000000000 # [ 49.678784] CS: 0010 DS: 0000 E[ 51.136554] lkdtm: attempting corrupted list addition S: 0000 CR0: 0000000080050033 # [ 49.685203] CR2: 00007f7c5ae[ 51.148407] lkdtm: list_add() corruption not detected! 46000 CR3: 0000000108d74002 CR4: 00000000003706e0 # [ 49.693176] Call Trace: # [ 49.695911] direct_entry.cold+0x2c/0x38 # [ 49.700301] full_proxy_write+0x53/0x80 # [ 49.710797] vfs_write+0xe7/0x3a0 # [ 49.720710] ksys_write+0x68/0xf0 # [ 49.724417] do_syscall_64+0x30/0x40 # [ 49.728435] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.740284] RIP: 0033:0x7f7c5af538f3 # [ 49.744274] 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 # [ 49.765279] RSP: 002b:00007ffda9bb4d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.773750] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7c5af538f3 # [ 49.787945] RDX: 0000000000000008 RSI: 00007f7c5ae46000 RDI: 0000000000000001 # [ 49.795929] RBP: 00007f7c5ae46000 R08: 00007f7c5ae45010 R09: 0000000000000000 # [ 49.803940] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.811911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.819900] irq event stamp: 0 # [ 49.829516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.836517] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.845652] softirqs last enabled at (0): [] copy_[ 51.295196] lkdtm: Performing direct entry CORRUPT_LIST_DEL process+0x640/0x1c80 # [ 49.854787] softirqs last disabled at[ 51.303320] lkdtm: attempting good list removal (0): [<0000000000000000>] 0x0 # [ 49.861785] ---[ end trace [ 51.314593] lkdtm: attempting corrupted list removal 4b72338f81876804 ]--- # WARNING: saw 'WARNING:': ok ok 3 selft[ 51.326378] lkdtm: list_del() corruption not detected! ests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.940571] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.947710] ------------[ cut here ]------------ # [ 49.952873] Warning message trigger count: 2 # [ 49.957677] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.967888] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.000524] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.147-cip18 #[ 51.404909] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 51.413694] lkdtm: attempting bad read from page below current stack [ 51.420825] BUG: stack guard page was hit at 00000000e232ced7 (stack is 00000000017e6fdb..000000002c570618) [ 51.431739] kernel stack overflow (page fault): 0000 [#3] SMP PTI 1 # [ 50.009106] Hardware name: Google Rammus/Rammus, BIOS 0[ 51.438546] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 51.453407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.460206] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.466720] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 18 9e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 51.487703] RSP: 0018:ffffa6454190fe50 EFLAGS: 00010246 [ 51.493528] RAX: 0000000000000038 RBX: ffffa6454190c000 RCX: 0000000000000000 [ 51.501496] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffffffff9e182828 [ 51.509466] RBP: ffffffff9e181f52 R08: 0000000000000000 R09: 0000000000000000 [ 51.517435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.525404] R13: ffffa6454190ff10 R14: ffffa6454190ff10 R15: ffff94a347861000 [ 51.533374] FS: 00007f83977f7580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 51.542411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.548826] CR2: ffffa6454190bfff CR3: 0000000107a34005 CR4: 00000000003706e0 [ 51.556795] Call Trace: [ 51.559521] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 51.564569] direct_entry.cold+0x2c/0x38 [ 51.568947] full_proxy_write+0x53/0x80 [ 51.573219] vfs_write+0xe7/0x3a0 [ 51.576919] ksys_write+0x68/0xf0 [ 51.580637] do_syscall_64+0x30/0x40 [ 51.584625] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.590264] RIP: 0033:0x7f839770d8f3 [ 51.594252] 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 [ 51.615237] RSP: 002b:00007ffda7985d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.623692] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f839770d8f3 [ 51.631663] RDX: 0000000000000019 RSI: 00007f8397600000 RDI: 0000000000000001 [ 51.639632] RBP: 00007f8397600000 R08: 00007f83975ff010 R09: 0000000000000000 [ 51.647600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.655570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.663544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9/04/2020 # [ 50.022124] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20[ 51.690003] ---[ end trace 4b72338f81876807 ]--- [ 51.701369] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.705745] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 51.726726] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 51.732560] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.740528] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 51.748498] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 51.756466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.764435] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 51.772405] FS: 00007f83977f7580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 51.781443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.787859] CR2: ffffa6454190bfff CR3: 0000000107a34005 CR4: 00000000003706e0 [ 51.795830] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.805734] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat [ 51.814188] INFO: lockdep is turned off. [ 51.818564] irq event stamp: 0 [ 51.821970] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.828958] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.838092] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.847228] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.854226] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 51.862892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.869695] Call Trace: [ 51.872423] dump_stack+0x77/0x9b [ 51.876124] ___might_sleep.cold+0xa6/0xb6 [ 51.880695] exit_signals+0x1c/0x2e0 [ 51.884675] do_exit+0xd5/0xb00 [ 51.888169] ? ksys_write+0x68/0xf0 [ 51.892053] rewind_stack_do_exit+0x17/0x20 [ 51.896713] RIP: 0033:0x7f839770d8f3 [ 51.900692] 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 [ 51.921677] RSP: 002b:00007ffda7985d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.930124] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f839770d8f3 [ 51.938094] RDX: 0000000000000019 RSI: 00007f8397600000 RDI: 0000000000000001 [ 51.946064] RBP: 00007f8397600000 R08: 00007f83975ff010 R09: 0000000000000000 [ 51.954034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.962003] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /0x30 # [ 50.033976] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 18 9e 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 50.054958] RSP: 0018:ffffa64541597e60 EFLAGS: 00010286 # [ 50.060792] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 50.068764] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 50.076757] RBP: ffffffff9e181eef R08: 0000000000000000 R09: 0000000000000000 # [ 50.084740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 50.098931] R13: ffffa64541597f10 R14: ffffa64541597f10 R15: ffff94a340927000 # [ 50.106945] FS: 00007f851660c580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 50.115983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.122401] CR2: 00007f8516415000 CR3: 0000000107556005 CR4: 00000000003706e0 # [ 50.130371] Call Trace: # [ 50.133101] direct_entry.cold+0x2c/0x38 # [ 50.137514] full_proxy_write+0x53/0x80 # [ 50.141828] vfs_write+0xe7/0x3a0 # [ 50.145552] ksys_write+0x68/0xf0 # [ 50.149252] do_syscall_64+0x30/0x40 # [ 50.153268] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.158945] RIP[ 52.093648] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 52.101411] lkdtm: attempting bad read from page above current stack [ 52.108520] BUG: stack guard page was hit at 00000000a380ab9d (stack is 0000000086a83d95..00000000a17d785a) [ 52.119408] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 52.126212] CPU: 3 PID: 1086 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 52.134862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.141696] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 52.148306] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 18 9e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 52.169290] RSP: 0018:ffffa6454198fe50 EFLAGS: 00010246 [ 52.175123] RAX: 0000000000000038 RBX: ffffa6454198c000 RCX: 0000000000000000 [ 52.183094] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9e1828a0 [ 52.191064] RBP: ffffffff9e181f6b R08: 0000000000000000 R09: 0000000000000000 [ 52.199035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 52.207006] R13: ffffa6454198ff10 R14: ffffa6454198ff10 R15: ffff94a348ce8000 [ 52.214975] FS: 00007f45b731a580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 52.224012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.230428] CR2: ffffa64541990000 CR3: 0000000108746006 CR4: 00000000003706e0 [ 52.238397] Call Trace: [ 52.241123] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 52.246958] direct_entry.cold+0x2c/0x38 [ 52.251327] full_proxy_write+0x53/0x80 [ 52.255608] vfs_write+0xe7/0x3a0 [ 52.259307] ksys_write+0x68/0xf0 [ 52.263005] do_syscall_64+0x30/0x40 [ 52.266985] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.272625] RIP: 0033:0x7f45b72308f3 [ 52.276612] 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 [ 52.297598] RSP: 002b:00007ffef2abaaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.306045] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f45b72308f3 [ 52.314014] RDX: 000000000000001a RSI: 00007f45b7123000 RDI: 0000000000000001 [ 52.321983] RBP: 00007f45b7123000 R08: 00007f45b7122010 R09: 0000000000000000 [ 52.329952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.337923] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.345898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.372365] ---[ end trace 4b72338f81876808 ]--- [ 52.377511] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.381896] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 52.402889] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 52.408724] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.416695] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 52.424664] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 52.432634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.440604] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 52.448576] FS: 00007f45b731a580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 52.457614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.464029] CR2: ffffa64541990000 CR3: 0000000108746006 CR4: 00000000003706e0 : 0033:0x7f85165228f3 # [ 50.162944] 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 # [ 50.183941] RSP: 002b:00007ffc9e1c5b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.192398] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f85165228f3 # [ 50.200368] RDX: 0000000000000010 RSI: 00007f8516415000 RDI: 0000000000000001 # [ 50.208339] RBP: 00007f8516415000 R08: 00007f8516414010 R09: 0000000000000000 # [ 50.216312] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.224281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.232257] irq event stamp: 0 # [ 50.235694] hardirqs last enabled at (0[ 52.551608] lkdtm: Performing direct entry UNSET_SMEP [ 52.558491] lkdtm: trying to clear SMEP normally [ 52.563656] ------------[ cut here ]------------ [ 52.568816] pinned CR4 bits changed: 0x100000!? ): [<0000000000000000>] 0x0 # [ 50.242694] hardirqs last disa[ 52.573903] WARNING: CPU: 2 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 52.590316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify bled at (0): [] copy_process+0x640/0x1c80 # [[ 52.616783] CPU: 2 PID: 1122 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 52.631643] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.638451] RIP: 0010:native_write_cr4+0x45/0x60 [ 52.643609] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 0c 9e c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.664595] RSP: 0018:ffffa64541a2fe48 EFLAGS: 00010286 [ 52.670431] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.678403] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 52.686376] RBP: ffffffff9e181f85 R08: 0000000000000000 R09: 0000000000000000 [ 52.694349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.702322] R13: ffffa64541a2ff10 R14: ffffa64541a2ff10 R15: ffff94a342726000 [ 52.710294] FS: 00007f9d841a1580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 52.719336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.725755] CR2: 00007f9d83faa000 CR3: 0000000108746005 CR4: 00000000003706e0 50.251830] softirqs last enabled at (0): [[ 52.733729] Call Trace: ] copy_process+0x640/0x1c80 # [ 50.260965] softirqs last disa[ 52.742680] lkdtm_UNSET_SMEP.cold+0x1d/0x103 bled at (0): [<0000000000000000>] 0x0 # [ 50.267964] ---[ end[ 52.753762] direct_entry.cold+0x2c/0x38 trace 4b72338f81876805 ]--- # WARNING_MESSAGE: saw 'message tr[ 52.764357] full_proxy_write+0x53/0x80 igger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftes[ 52.774861] vfs_write+0xe7/0x3a0 [ 52.784770] ksys_write+0x68/0xf0 [ 52.788471] do_syscall_64+0x30/0x40 [ 52.792486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.798131] RIP: 0033:0x7f9d840b78f3 [ 52.802121] 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 [ 52.823132] RSP: 002b:00007ffc84b12c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ts: lkdtm: EXCEPTION.sh # Killed # [ 50.347325] lkdtm: Perfo[ 52.831607] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9d840b78f3 [ 52.845787] RDX: 000000000000000b RSI: 00007f9d83faa000 RDI: 0000000000000001 [ 52.853759] RBP: 00007f9d83faa000 R08: 00007f9d83fa9010 R09: 0000000000000000 [ 52.861733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.869704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.877682] irq event stamp: 0 [ 52.881120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.888122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.897261] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.906398] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.913400] ---[ end trace 4b72338f81876809 ]--- [ 52.918557] lkdtm: ok: SMEP did not get cleared [ 52.923615] lkdtm: trying to clear SMEP with call gadget [ 52.929549] lkdtm: ok: SMEP removal was reverted rming direct entry EXCEPTION # [ 50.353298] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 50.361080] #PF: supervisor write access in kernel mode # [ 50.366903] #PF: error_code(0x0002) - not-present page # [ 50.372638] PGD 0 P4D 0 # [ 50.375463] Oops: 0002 [#2] SMP PTI # [ 50.379345] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 50.387898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.394696] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 50.399659] Code: 48 c7 c7 48 24 18 9e 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 50.426852] RSP: 0018:ffffa645415efe60 EFLAGS: 00010286 # [ 50.432685] RAX: fffffff[ 53.014155] lkdtm: Performing direct entry DOUBLE_FAULT f9d0dea50 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.[ 53.021392] lkdtm: XFAIL: this test is ia32-only 440654] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9dd9aec0 # [ 50.448622] RBP: ffffffff9e0b7367 R08: 0000000000000000 R09: 0000000000000000 # [ 50.456592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.464560] R13: ffffa645415eff10 R14: ffffa645415eff10 R15: ffff94a348ff9000 # [ 50.472529] FS: 00007f4f30b9b580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 50.481566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.487981] CR2: 0000000000000000 CR3: 00000001087fe004 CR4: 00000000003706e0 # [ 50.495951] Call Trace: # [ 50.498678] direct_entry.cold+0x2c/0x38 # [ 50.503057] full_proxy_write+0x53/0x80 # [ 50.507339] vfs_write+0xe7/0x3a0 # [ 50.511037] ksys_write+0x68/0xf0 # [ 50.514727] do_syscall_64+0x30/0x40 # [ 50.518715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.524346] RIP: 0033:0x7f4f30ab18f3 # [ 50.528334] 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 [ 53.131791] lkdtm: Performing direct entry CORRUPT_PAC [ 53.137939] lkdtm: XFAIL: this test is arm64-only 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.549317] RSP: 002b:00007ffeaad5e088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.557772] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4f30ab18f3 # [ 50.565741] RDX: 000000000000000a RSI: 00007f4f309a4000 RDI: 0000000000000001 # [ 50.573711] RBP: 00007f4f309a4000 R08: 00007f4f309a3010 R09: 0000000000000000 # [ 50.581679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.589647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.597619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub c[ 53.218314] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE ros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 53.231264] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS fy # [ 50.624080] CR2: 0000000000000000 # [ 50.633991] ---[ end trace 4b72338f81876806 ]--- # [ 50.639135] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.643513] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 50.664486] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 50.670318] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.678287] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 50.686256] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.694224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.702193] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 50.710162] FS: 00007f4f30b9b580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 50.719200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.725615] CR2: 0000000000000000 CR3: 00000001087fe004 CR4: 00000000003706e0 # [ 50.733585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.743488] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat # [ 50.751845] INFO: lockdep is turned off. # [ 50.756[ 53.373269] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.381701] lkdtm: Value in memory before free: 12345678 [ 53.387643] lkdtm: Attempting bad read from freed memory [ 53.393589] lkdtm: Memory was not poisoned 219] irq event stamp: 0 # [ 50.759623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.766622] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.775747] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.784892] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.791892] CPU: 3 PID: 828 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 50.800443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.807245] Call Trace: # [ 50.809972] dump_stack+0x77/0x9b # [ 50.813670] ___might_sleep.cold+0xa6/0xb6 # [ 50.818243] exit_signals+0x1c/0x2e0 # [ 50.822232] do_exit+0xd5/0xb00 # [ 50.825728] ? ksys_write+0x68/0xf0 # [ 50.829620] rewind_stack_do_exit+0x17/0x20 # [ 50.834287] RIP: 0033:0x7f4f30ab18f3 # [ 50.838274] 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 # [ 50.859256] RSP: 002b:00007ffeaad5e088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.867710] RAX: ffffffffffffffda RBX: 000[ 53.511590] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 000000000000a RCX: 00007f4f30ab18f3 # [ 50.875678] RDX: 00000[ 53.523015] lkdtm: Value in memory before free: 12345678 0000000000a RSI: 00007f4f309a4000 RDI: 0000000000000001 # [ 5[ 53.535166] lkdtm: Attempting to read from freed memory 0.883646] RBP: 00007f4f309a4000 R08: 00007f4f309a3010 R09: 00000[ 53.547219] lkdtm: Buddy page was not poisoned 00000000000 # [ 50.891614] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.899581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftest[ 53.632411] lkdtm: Performing direct entry SLAB_FREE_DOUBLE s: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CO[ 53.639222] lkdtm: Attempting double slab free ... RRUPT_LIST_ADD.sh # [ 51.118198] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 51.125154] lkdtm: attempting good list addition # [ 51.136554] lkdtm: attempting corrupted list addition # [ 51.148407] 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 # [ 51.295196] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 51.303320] lkdtm: attempting good list removal # [ 51.314593] lkdtm: attempting corrupted list removal # [ 51.326378] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 53.725066] lkdtm: Performing direct entry SLAB_FREE_CROSS exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segme[ 53.731499] lkdtm: Attempting cross-cache slab free ... ntation fault # [ 51.404909] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.413694] lkdtm: attempting bad read from page below current stack # [ 51.420825] BUG: stack guard page was hit at 00000000e232ced7 (stack is 00000000017e6fdb..000000002c570618) # [ 51.431739] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.438546] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 51.453407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.460206] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.466720] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 18 9e <8a> 43 ff 88 44 24 07 0f b6 74 24 07[ 53.816099] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.824165] lkdtm: Attempting non-Slab slab free ... 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 51.487703] RSP: 0018:ffffa6454190fe50 EFLAGS: 00010246 # [ 51.493528] RAX: 0000000000000038 RBX: ffffa6454190c000 RCX: 0000000000000000 # [ 51.501496] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffffffff9e182828 # [ 51.509466] RBP: ffffffff9e181f52 R08: 0000000000000000 R09: 0000000000000000 # [ 51.517435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.525404] R13: ffffa6454190ff10 R14: ffffa6454190ff10 R15: ffff94a347861000 # [ 51.533374] FS: 00007f83977f7580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 51.542411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.548826] CR2: ffffa6454190bfff CR3: 0000000107a34005 CR4: 00000000003706e0 # [ 51.556795] Call Trace: # [ 51.559521] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 51.564569] direct_entry.cold+0x2c/0x38 # [ 51.568947] full_proxy_write+0x53/0x80 # [ 51.573219] vfs_write+0xe7/0x3a0 # [ 51.576919] ksys_write+0x68/0xf0 # [ 51.580637] do_syscall_64+0x30/0x40 # [ 51.584625] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.590264] RIP: 0033:0x7f839770d8f3 # [ 51.594252] 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 # [ 51.615237] RSP: 002b:00007ffda7985d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.623692] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f839770d8f3 # [ 51.631663] RDX: 0000000000000019 RSI: 00007f8397600000 RDI: 0000000000000001 # [ 51.639632] RBP: 00007f8397600000 R08: 00007f83975ff010 R09: 0000000000000000 # [ 51.647600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.655570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.663544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.69[ 54.037085] lkdtm: Performing direct entry EXEC_DATA [ 54.046621] lkdtm: attempting ok execution at ffffffff9d0dedc0 0003] ---[ end trace 4b72338f81876807 ]--- # [ 51.701369] RIP[ 54.053167] lkdtm: attempting bad execution at ffffffff9fa0c560 [ 54.065992] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) : 0010:lkdtm_BUG+0x5/0x10 # [ 51.705745] Code: 89 ff e8 2e b5[ 54.074377] BUG: unable to handle page fault for address: ffffffff9fa0c560 [ 54.088270] #PF: supervisor instruction fetch in kernel mode [ 54.094589] #PF: error_code(0x0011) - permissions violation [ 54.100810] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001060000e3 [ 54.108590] Oops: 0011 [#5] SMP PTI [ 54.112481] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 54.121130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.127942] RIP: 0010:data_area+0x0/0x40 [ 54.132320] Code: ff ff 00 1e 25 40 a3 94 ff ff 00 1d 25 40 a3 94 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.153302] RSP: 0018:ffffa6454215fe48 EFLAGS: 00010246 [ 54.159135] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.167104] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 54.175072] RBP: ffffffff9fa0c560 R08: 0000000000000000 R09: 0000000000000000 [ 54.183042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.191012] R13: ffffa6454215ff10 R14: ffffa6454215ff10 R15: ffff94a342902000 [ 54.198983] FS: 00007f3db0ef5580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 54.208021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.214438] CR2: ffffffff9fa0c560 CR3: 0000000108d26003 CR4: 00000000003706e0 [ 54.222408] Call Trace: [ 54.225137] ? execute_location+0x45/0x56 [ 54.229613] ? direct_entry.cold+0x2c/0x38 [ 54.234186] ? full_proxy_write+0x53/0x80 [ 54.238662] ? vfs_write+0xe7/0x3a0 [ 54.242553] ? ksys_write+0x68/0xf0 [ 54.246447] ? do_syscall_64+0x30/0x40 [ 54.250630] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.256460] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc [ 54.282925] CR2: ffffffff9fa0c560 [ 54.292839] ---[ end trace 4b72338f8187680a ]--- [ 54.297985] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.302361] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 54.323348] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 54.329182] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.337153] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 54.345122] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 54.353092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.361062] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 54.369033] FS: 00007f3db0ef5580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 54.378091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.384509] CR2: ffffffff9fa0c560 CR3: 0000000108d26003 CR4: 00000000003706e0 [ 54.392479] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.402392] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 54.410848] INFO: lockdep is turned off. [ 54.415225] irq event stamp: 0 [ 54.418631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.425623] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.434761] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.443890] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.450892] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 54.459542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.466348] Call Trace: [ 54.469076] dump_stack+0x77/0x9b [ 54.472775] ___might_sleep.cold+0xa6/0xb6 [ 54.477346] exit_signals+0x1c/0x2e0 [ 54.481337] do_exit+0xd5/0xb00 [ 54.484842] ? ksys_write+0x68/0xf0 [ 54.488734] rewind_stack_do_exit+0x17/0x20 [ 54.493395] RIP: 0033:0x7f3db0e0b8f3 [ 54.497382] 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 [ 54.518370] RSP: 002b:00007ffc4cb12fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.526818] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3db0e0b8f3 [ 54.534788] RDX: 000000000000000a RSI: 00007f3db0cfe000 RDI: 0000000000000001 [ 54.542760] RBP: 00007f3db0cfe000 R08: 00007f3db0cfd010 R09: 0000000000000000 [ 54.550731] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.558701] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 51.726726] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 51.732560] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.740528] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 51.748498] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.756466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.764435] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 51.772405] FS: 00007f83977f7580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 51.781443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.787859] CR2: ffffa6454190bfff CR3: 0000000107a34005 CR4: 00000000003706e0 # [ 51.795830] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.805734] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat # [ 51.814188] INFO: lockdep is turned off. # [ 54.667234] lkdtm: Performing direct entry EXEC_STACK [ 54.678022] lkdtm: attempting ok execution at ffffffff9d0dedc0 [ 54.684552] lkdtm: attempting bad execution at ffffa645421d7e18 [ 54.691182] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.699547] BUG: unable to handle page fault for address: ffffa645421d7e18 [ 54.707227] #PF: supervisor instruction fetch in kernel mode [ 54.713545] #PF: error_code(0x0011) - permissions violation [ 54.719767] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1064a9067 PTE 800000010782f063 [ 54.728809] Oops: 0011 [#6] SMP PTI [ 54.732702] CPU: 3 PID: 1665 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 54.741344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.748150] RIP: 0010:0xffffa645421d7e18 [ 54.752527] Code: 00 00 18 7e 1d 42 45 a6 ff ff 59 d5 73 9d ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 18 9e ff ff ff ff 88 d6 73 9d 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 [ 54.773516] RSP: 0018:ffffa645421d7df8 EFLAGS: 00010246 [ 54.779351] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.787321] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 54.795292] RBP: ffffa645421d7e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.803262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.811233] R13: ffffa645421d7f10 R14: ffffa645421d7f10 R15: ffff94a34955d000 [ 54.819203] FS: 00007ffb7276c580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 54.828242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.834658] CR2: ffffa645421d7e18 CR3: 00000001077d0006 CR4: 00000000003706e0 [ 54.842629] Call Trace: [ 54.845357] ? execute_location+0x45/0x56 [ 54.849833] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.854308] ? direct_entry.cold+0x2c/0x38 [ 54.858894] ? full_proxy_write+0x53/0x80 [ 54.863370] ? vfs_write+0xe7/0x3a0 [ 54.867262] ? ksys_write+0x68/0xf0 [ 54.871155] ? do_syscall_64+0x30/0x40 [ 54.875341] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.818564] irq event stamp: 0 # [ 51.821970] hardirqs las[ 54.881182] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.913818] CR2: ffffa645421d7e18 [ 54.917518] ---[ end trace 4b72338f8187680b ]--- [ 54.922676] RIP: 0010:lkdtm_BUG+0x5/0x10 t enabled at (0): [<0000000000000000>] 0x0 # [ 51.828958] ha[ 54.927056] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 54.954257] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 54.960092] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.968062] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 54.976031] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 54.984002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.991971] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 54.999951] FS: 00007ffb7276c580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 55.008991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.015406] CR2: ffffa645421d7e18 CR3: 00000001077d0006 CR4: 00000000003706e0 rdirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.838092] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.847228] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.854226] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 51.862892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.869695] Call Trace: # [ 51.872423] dump_stack+0x77/0x9b # [ 51.876124] ___might_sleep.cold+0xa6/0xb6 # [ 51.880695] exit_signals+0x1c/0x2e0 # [ 51.884675] do_exit+0xd5/0xb00 # [ 51.888169] ? ksys_write+0x68/0xf0 # [ 51.892053] rewind_stack_do_exit+0x17/0x20 # [ 51.896713] RIP: 0033:0x7f839770d8f3 # [ 51.900692] 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 # [ 51.921677] RSP: 002b:00007ffda7985d68 EFLAGS: 00000246 [ 55.122533] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.128694] lkdtm: attempting ok execution at ffffffff9d0dedc0 [ 55.135216] lkdtm: attempting bad execution at ffff94a3464d8240 ORIG_RAX: 0000000000000001 # [ 51.930124] RAX: ffffffffffffff[ 55.141854] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.156429] BUG: unable to handle page fault for address: ffff94a3464d8240 [ 55.164099] #PF: supervisor instruction fetch in kernel mode [ 55.170418] #PF: error_code(0x0011) - permissions violation da[ RBX: 0000000000000019 RCX: 00007f839770d8f3 # [ 51.938094] 55.176641] PGD 106201067 P4D 106201067 PUD 100214063 PMD 10092a063 PTE 80000001064d8063 [ 55.191902] Oops: 0011 [#7] SMP PTI [ 55.195794] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 55.204444] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.211250] RIP: 0010:0xffff94a3464d8240 [ 55.215618] Code: 00 00 02 00 00 00 00 00 00 00 40 87 4d 46 a3 94 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 9c 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 [ 55.236603] RSP: 0018:ffffa645421b7e38 EFLAGS: 00010246 [ 55.242437] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.250407] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 55.258378] RBP: ffff94a3464d8240 R08: 0000000000000000 R09: 0000000000000000 [ 55.266341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.274311] R13: ffffa645421b7f10 R14: ffffa645421b7f10 R15: ffff94a347a5e000 [ 55.282281] FS: 00007f2372dab580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 55.291320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.297727] CR2: ffff94a3464d8240 CR3: 000000010272c003 CR4: 00000000003706e0 [ 55.305696] Call Trace: [ 55.308426] ? execute_location+0x45/0x56 [ 55.312903] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.317572] ? direct_entry.cold+0x2c/0x38 [ 55.322136] ? full_proxy_write+0x53/0x80 [ 55.326604] ? vfs_write+0xe7/0x3a0 [ 55.330497] ? ksys_write+0x68/0xf0 [ 55.334382] ? do_syscall_64+0x30/0x40 [ 55.338567] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.344405] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RDX: 0000000000000019 RSI: 00007f8397600000 RDI: 00000000000000[ 55.370870] CR2: ffff94a3464d8240 [ 55.380781] ---[ end trace 4b72338f8187680c ]--- [ 55.385943] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.390321] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 55.411299] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 55.417132] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.425104] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 55.433074] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 55.441045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.449015] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 55.456986] FS: 00007f2372dab580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 55.466026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.472442] CR2: ffff94a3464d8240 CR3: 000000010272c003 CR4: 00000000003706e0 01 # [ 51.946064] RBP: 00007f8397600000 R08: 00007f83975ff010 R09: 0000000000000000 # [ 51.954034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.962003] 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 # [ 52.093648] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 52.101411] lkdtm: attempting bad read from page above current stack # [ 52.108520] BUG: stack guard page was hit at 00000000a380ab9d (stack is 0000000086a83d95..00000000a17d785a) # [ 52.119408] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 52.126212] CPU: 3 PID: 1086 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 52.134862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.141696] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 52.148306] Code: [ 55.576646] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.585756] lkdtm: attempting ok execution at ffffffff9d0dedc0 a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 18 9e 50 65 48 8b 04 2[ 55.592285] lkdtm: attempting bad execution at ffffa6454068b000 [ 55.605127] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 5 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 18 9e <8[ 55.613495] BUG: unable to handle page fault for address: ffffa6454068b000 [ 55.627390] #PF: supervisor instruction fetch in kernel mode [ 55.633711] #PF: error_code(0x0011) - permissions violation a>[ 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd f 55.639936] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 108c9b067 PTE 8000000102725063 [ 55.655197] Oops: 0011 [#8] SMP PTI [ 55.659089] CPU: 2 PID: 1737 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 55.667740] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.674546] RIP: 0010:0xffffa6454068b000 [ 55.678944] Code: Unable to access opcode bytes at RIP 0xffffa6454068afd6. [ 55.686624] RSP: 0018:ffffa645422e7e38 EFLAGS: 00010246 [ 55.692451] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.700421] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 55.708391] RBP: ffffa6454068b000 R08: 0000000000000000 R09: 0000000000000000 [ 55.716361] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.724332] R13: ffffa645422e7f10 R14: ffffa645422e7f10 R15: ffff94a342725000 [ 55.732302] FS: 00007f0462b4b580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 55.741341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.747757] CR2: ffffa6454068afd6 CR3: 0000000108758001 CR4: 00000000003706e0 [ 55.755728] Call Trace: [ 55.758457] ? execute_location+0x45/0x56 [ 55.762943] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.767612] ? direct_entry.cold+0x2c/0x38 [ 55.772184] ? full_proxy_write+0x53/0x80 [ 55.776651] ? vfs_write+0xe7/0x3a0 [ 55.780543] ? ksys_write+0x68/0xf0 [ 55.784437] ? do_syscall_64+0x30/0x40 [ 55.788621] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.794460] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f # [ 52.169290] RSP: 0018:ffffa6454198fe50 EFLAGS: 00010246[ 55.820919] CR2: ffffa6454068b000 [ 55.830831] ---[ end trace 4b72338f8187680d ]--- [ 55.835985] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.840362] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 55.861349] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 55.867183] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.875154] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 55.883125] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 55.891096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.899067] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 55.907039] FS: 00007f0462b4b580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 55.916079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.922495] CR2: ffffa6454068afd6 CR3: 0000000108758001 CR4: 00000000003706e0 [ 55.930466] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.940378] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat [ 55.948834] INFO: lockdep is turned off. [ 55.953210] irq event stamp: 0 [ 55.956614] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.963615] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.972743] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.981891] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.988889] CPU: 2 PID: 1737 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 55.997541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.004345] Call Trace: [ 56.007072] dump_stack+0x77/0x9b [ 56.010771] ___might_sleep.cold+0xa6/0xb6 [ 56.015344] exit_signals+0x1c/0x2e0 [ 56.019333] do_exit+0xd5/0xb00 [ 56.022827] ? ksys_write+0x68/0xf0 [ 56.026712] rewind_stack_do_exit+0x17/0x20 [ 56.031380] RIP: 0033:0x7f0462a618f3 [ 56.035370] 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 [ 56.056349] RSP: 002b:00007ffef96e75b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.064797] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0462a618f3 [ 56.072766] RDX: 000000000000000d RSI: 00007f0462954000 RDI: 0000000000000001 [ 56.080736] RBP: 00007f0462954000 R08: 00007f0462953010 R09: 0000000000000000 [ 56.088705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.096676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.175123] RAX: 0000000000000038 RBX: ffffa6454198c000 RCX: 0000000000000000 # [ 52.183094] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9e1828a0 # [ 52.191064] RBP: ffffffff9e181f6b R08: 0000000000000000 R09: 0000000000000000 # [ 52.199035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 52.207006] R13: ffffa6454198ff10 R14: ffffa6454198ff10 R15: ffff94a348ce8000 # [ 52.214975] FS: 00007f45b731a580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 52.224012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.230428] CR2: ffffa64541990000 CR3: 0000000108746006 CR4: 00000000003706e0 # [ 52.238397] Call Trace: # [ 52.241123] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 52.246958] direct_entry.cold+0x2c/0x38 # [ 52.251327] full_proxy_write+0x53/0x80 # [ 52.255608] vfs_write+0xe7/0x3a0 # [ 52.259307] ksys_write+0x68/0xf0 # [ 52.263005] do_syscall_64+0x30/0x40 # [ 52.266985] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.272625] RIP: 0033:0x7f45b72308f3 # [ 52.[ 56.206225] lkdtm: Performing direct entry EXEC_RODATA 276612] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 56.216098] lkdtm: attempting ok execution at ffffffff9d0dedc0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 56.228860] lkdtm: attempting bad execution at ffffffff9dd9b320 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 56.241699] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.256255] BUG: unable to handle page fault for address: ffffffff9dd9b320 [ 56.263938] #PF: supervisor instruction fetch in kernel mode [ 56.270258] #PF: error_code(0x0011) - permissions violation [ 56.276479] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001042000e1 [ 56.284264] Oops: 0011 [#9] SMP PTI [ 56.288155] CPU: 0 PID: 1773 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 56.296805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.303612] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.309353] Code: ff ff f8 ea 73 9d ff ff ff ff fa 22 18 9e ff ff ff ff 3e d2 73 9d ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 56.330339] RSP: 0018:ffffa64542357e48 EFLAGS: 00010246 [ 56.336163] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.344134] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 [ 56.352104] RBP: ffffffff9dd9b320 R08: 0000000000000000 R09: 0000000000000000 [ 56.360074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.368044] R13: ffffa64542357f10 R14: ffffa64542357f10 R15: ffff94a342989000 [ 56.376014] FS: 00007f50e044b580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 56.385051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.391468] CR2: ffffffff9dd9b320 CR3: 00000001087da002 CR4: 00000000003706f0 [ 56.399429] Call Trace: [ 56.402158] ? execute_location+0x45/0x56 [ 56.406638] ? direct_entry.cold+0x2c/0x38 [ 56.411204] ? full_proxy_write+0x53/0x80 [ 56.415686] ? vfs_write+0xe7/0x3a0 [ 56.419584] ? ksys_write+0x68/0xf0 [ 56.423467] ? do_syscall_64+0x30/0x40 [ 56.427656] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.433486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.459929] CR2: ffffffff9dd9b320 [ 56.463627] ---[ end trace 4b72338f8187680e ]--- [ 56.468782] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.473158] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.494145] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 56.499978] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.507947] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 56.515916] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 56.523886] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.531857] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 56.539828] FS: 00007f50e044b580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 56.548867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.555283] CR2: ffffffff9dd9b320 CR3: 00000001087da002 CR4: 00000000003706f0 48 89 54 24 18 # [ 52.297598] RSP: 002b:00007ffef2abaaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.306045] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f45b72308f3 # [ 52.314014] RDX: 000000000000001a RSI: 00007f45b7123000 RDI: 0000000000000001 # [ 52.321983] RBP: 00007f45b7123000 R08: 00007f45b7122010 R09: 0000000000000000 # [ 52.329952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.337923] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.345898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.372365] ---[ end trace 4b72338f81876808 ]--- # [ 52.377511] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.381896] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 52.402889] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 52.408724] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.416695] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 52.424664] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 52.432634] R10: 00000000ffffe000[ 56.704432] lkdtm: Performing direct entry EXEC_USERSPACE R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.440604] R[ 56.712394] lkdtm: attempting ok execution at ffffffff9d0dedc0 13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000[ 56.725170] lkdtm: attempting bad execution at 00007f60ca16d000 [ 56.737998] unable to execute userspace code (SMEP?) (uid: 0) # [ 52.448576] FS: 00007f45b731a580(0000) GS:ffff94a3bad800[ 56.744440] BUG: unable to handle page fault for address: 00007f60ca16d000 [ 56.758335] #PF: supervisor instruction fetch in kernel mode [ 56.764656] #PF: error_code(0x0011) - permissions violation 00[(0000) knlGS:0000000000000000 # [ 52.457614] CS: 0010 DS: 56.770877] PGD 8000000109477067 P4D 8000000109477067 PUD 108599067 PMD 108e3c067 PTE 117548067 [ 56.786818] Oops: 0011 [#10] SMP PTI [ 56.790809] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.147-cip18 #1 0000 ES: 0000 CR0: 0000000080050033 # [ 52.464029] CR2: ffffa[ 56.799461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.812484] RIP: 0010:0x7f60ca16d000 [ 56.816472] Code: Unable to access opcode bytes at RIP 0x7f60ca16cfd6. [ 56.823761] RSP: 0018:ffffa645423dfe50 EFLAGS: 00010246 [ 56.829595] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.837566] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 56.845537] RBP: 00007f60ca16d000 R08: 0000000000000000 R09: 0000000000000000 [ 56.853509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.861471] R13: ffffa645423dff10 R14: ffffa645423dff10 R15: ffff94a348cd5000 [ 56.869443] FS: 00007f60ca13e580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 56.878484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.884901] CR2: 00007f60ca16d000 CR3: 000000010941c002 CR4: 00000000003706e0 [ 56.892890] Call Trace: [ 56.895611] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.900961] ? direct_entry.cold+0x2c/0x38 [ 56.905534] ? full_proxy_write+0x53/0x80 [ 56.910008] ? vfs_write+0xe7/0x3a0 [ 56.913893] ? ksys_write+0x68/0xf0 [ 56.917787] ? do_syscall_64+0x30/0x40 [ 56.921970] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.927807] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 64541990000 CR3: 0000000108746006 CR4: 00000000003706e0 # STACK[ 56.954269] CR2: 00007f60ca16d000 [ 56.964182] ---[ end trace 4b72338f8187680f ]--- [ 56.969329] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.973705] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.994692] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 57.000519] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.008489] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 57.016459] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 57.024430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.032398] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 57.040370] FS: 00007f60ca13e580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 57.049403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.055819] CR2: 00007f60ca16d000 CR3: 000000010941c002 CR4: 00000000003706e0 [ 57.063790] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.073704] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name: cat [ 57.082161] INFO: lockdep is turned off. [ 57.086537] irq event stamp: 0 [ 57.089953] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.096948] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.106085] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.115222] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.122221] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 57.130888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.137693] Call Trace: [ 57.140422] dump_stack+0x77/0x9b [ 57.144121] ___might_sleep.cold+0xa6/0xb6 [ 57.148694] exit_signals+0x1c/0x2e0 [ 57.152673] do_exit+0xd5/0xb00 [ 57.156177] ? ksys_write+0x68/0xf0 [ 57.160071] rewind_stack_do_exit+0x17/0x20 [ 57.164739] RIP: 0033:0x7f60ca0548f3 [ 57.168728] 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 [ 57.189716] RSP: 002b:00007ffc24ade108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.198171] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f60ca0548f3 [ 57.206142] RDX: 000000000000000f RSI: 00007f60c9f47000 RDI: 0000000000000001 [ 57.214114] RBP: 00007f60c9f47000 R08: 00007f60c9f46010 R09: 0000000000000000 [ 57.222085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.230056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 52.551608] lkdtm: Performing direct entry UNSET_SMEP # [ 52.558491] lkdtm: trying to clear SMEP normally # [ 52.563656] ------------[ cut here ]------------ # [ 52.568816] pinned CR4 bits changed: 0x100000!? # [ 52.573903] WARNING: CPU: 2 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.590316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.616783] CPU: 2 PID: 1122 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 52.631643] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.638451] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.643609] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80[ 57.334609] lkdtm: Performing direct entry EXEC_NULL [ 57.343062] lkdtm: attempting ok execution at ffffffff9d0dedc0 [ 57.349585] lkdtm: attempting bad execution at 0000000000000000 [ 57.356203] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.364009] #PF: supervisor instruction fetch in kernel mode 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 0c 9e c6 05 e5 8f e3 01 [ 57.370330] #PF: error_code(0x0010) - not-present page [ 57.382281] PGD 0 P4D 0 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7[ 57.385107] Oops: 0010 [#11] SMP PTI [ 57.395311] CPU: 2 PID: 1845 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ce ff 48 31 c6 48 09 # [ 52.664595] RSP: 0018:ffffa64541a2fe[ 57.403964] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.416986] RIP: 0010:0x0 [ 57.419908] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.427588] RSP: 0018:ffffa64542457e48 EFLAGS: 00010246 [ 57.433422] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.441392] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 57.449363] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.457333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.465301] R13: ffffa64542457f10 R14: ffffa64542457f10 R15: ffff94a347978000 [ 57.473272] FS: 00007f0f74531580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 57.482303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.488718] CR2: ffffffffffffffd6 CR3: 000000010941c003 CR4: 00000000003706e0 [ 57.496688] Call Trace: [ 57.499418] execute_location+0x45/0x56 [ 57.503699] direct_entry.cold+0x2c/0x38 [ 57.508077] full_proxy_write+0x53/0x80 [ 57.512360] vfs_write+0xe7/0x3a0 [ 57.516058] ksys_write+0x68/0xf0 [ 57.519749] do_syscall_64+0x30/0x40 [ 57.523738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.529376] RIP: 0033:0x7f0f744478f3 [ 57.533364] 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 [ 57.554350] RSP: 002b:00007ffcc21bcc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.562806] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0f744478f3 [ 57.570776] RDX: 000000000000000a RSI: 00007f0f7433a000 RDI: 0000000000000001 [ 57.578746] RBP: 00007f0f7433a000 R08: 00007f0f74339010 R09: 0000000000000000 [ 57.586717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.594686] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.602659] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 48 EFLAGS: 00010286 # [ 52.670431] RAX: 0000000000000000 RBX:[ 57.629119] CR2: 0000000000000000 [ 57.639031] ---[ end trace 4b72338f81876810 ]--- [ 57.644185] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.648553] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 57.669539] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 57.675373] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.683341] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 57.691309] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 57.699277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.707245] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 57.715213] FS: 00007f0f74531580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 57.724250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.730662] CR2: ffffffffffffffd6 CR3: 000000010941c003 CR4: 00000000003706e0 00000000002706e0 RCX: 0000000000000000 # [ 52.678403] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 52.686376] RBP: ffffffff9e181f85 R08: 0000000000000000 R09: 0000000000000000 # [ 52.694349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.702322] R13: ffffa64541a2ff10 R14: ffffa64541a2ff10 R15: ffff94a342726000 # [ 52.710294] FS: 00007f9d841a1580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 52.719336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.725755] CR2: 00007f9d83faa000 CR3: 0000000108746005 CR4: 00000000003706e0 # [ 52.733729] Call Trace: # [ 52.742680] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.753762] direct_entry.cold+0x2c/0x38 # [ 52.764357] full_proxy_write+0x53/0x80 # [ 52.774861] vfs_write+0xe7/0x3a0 # [ 52.784770] ksys_write+0x68/0xf0 # [ 52.788471] do_syscall_64+0x30/0x40 # [ 52.792486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.798131] RIP: 0033:0x7f9d840b78f3 # [ 52.802121] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c[ 57.839851] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.850575] lkdtm: attempting bad read at 00007f6e74550000 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 57.856719] BUG: unable to handle page fault for address: 00007f6e74550000 [ 57.870604] #PF: supervisor read access in kernel mode b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 57.876341] #PF: error_code(0x0001) - permissions violation 8 [83 ec 28 48 89 54 24 18 # [ 52.823132] RSP: 002b:00007ffc84 57.888777] PGD 8000000109513067 P4D 8000000109513067 PUD 108670067 PMD 108602067 PTE 115d46067 [ 57.904718] Oops: 0001 [#12] SMP PTI [ 57.908706] CPU: 3 PID: 1880 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 57.917356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.924163] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.930384] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 18 9e e8 09 9a fd ff 48 c7 c7 40 30 18 9e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 18 [ 57.951369] RSP: 0018:ffffa6454249fe48 EFLAGS: 00010246 [ 57.957203] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.965172] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9e183040 [ 57.973141] RBP: 00007f6e74550000 R08: 0000000000000000 R09: 0000000000000000 [ 57.981111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.989081] R13: ffffa6454249ff10 R14: ffffa6454249ff10 R15: ffff94a348ed2000 [ 57.997049] FS: 00007f6e74521580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 58.006087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.012495] CR2: 00007f6e74550000 CR3: 000000010814c006 CR4: 00000000003706e0 [ 58.020456] Call Trace: [ 58.023186] direct_entry.cold+0x2c/0x38 [ 58.027565] full_proxy_write+0x53/0x80 [ 58.031846] vfs_write+0xe7/0x3a0 [ 58.035544] ksys_write+0x68/0xf0 [ 58.039232] do_syscall_64+0x30/0x40 [ 58.043222] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.048853] RIP: 0033:0x7f6e744378f3 [ 58.052840] 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 [ 58.073826] RSP: 002b:00007ffd48629258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.082272] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6e744378f3 [ 58.090241] RDX: 0000000000000011 RSI: 00007f6e7432a000 RDI: 0000000000000001 [ 58.098211] RBP: 00007f6e7432a000 R08: 00007f6e74329010 R09: 0000000000000000 [ 58.106181] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.114151] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.122124] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b12c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.831[ 58.148583] CR2: 00007f6e74550000 [ 58.158496] ---[ end trace 4b72338f81876811 ]--- [ 58.163643] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.168020] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 58.189008] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 58.194843] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.202813] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 58.210783] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 58.218753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.226723] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 58.234693] FS: 00007f6e74521580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 58.243730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.250147] CR2: 00007f6e74550000 CR3: 000000010814c006 CR4: 00000000003706e0 [ 58.258120] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.268024] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat [ 58.276481] INFO: lockdep is turned off. [ 58.280857] irq event stamp: 0 [ 58.284263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.291254] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.300390] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.309525] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.316524] CPU: 3 PID: 1880 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 58.325174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.331977] Call Trace: [ 58.334704] dump_stack+0x77/0x9b [ 58.338403] ___might_sleep.cold+0xa6/0xb6 [ 58.342977] exit_signals+0x1c/0x2e0 [ 58.346965] do_exit+0xd5/0xb00 [ 58.350469] ? ksys_write+0x68/0xf0 [ 58.354362] rewind_stack_do_exit+0x17/0x20 [ 58.359028] RIP: 0033:0x7f6e744378f3 [ 58.363016] 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 [ 58.383998] RSP: 002b:00007ffd48629258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.392453] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6e744378f3 [ 58.400422] RDX: 0000000000000011 RSI: 00007f6e7432a000 RDI: 0000000000000001 [ 58.408391] RBP: 00007f6e7432a000 R08: 00007f6e74329010 R09: 0000000000000000 [ 58.416361] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.424329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 607] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9d840b78f3 # [ 52.845787] RDX: 000000000000000b RSI: 00007f9d83faa000 RDI: 0000000000000001 # [ 52.853759] RBP: 00007f9d83faa000 R08: 00007f9d83fa9010 R09: 0000000000000000 # [ 52.861733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.869704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.877682] irq event stamp: 0 # [ 52.881120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.888122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.897261] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.906398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.913400] ---[ end trace 4b72338f81876809 ]--- # [ 52.918557] lkdtm: ok: SMEP did not get cleared # [ 52.923615] lkdtm: trying to clear SMEP with call gadget # [ 52.929549] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 53.01415[ 58.544020] lkdtm: Performing direct entry ACCESS_NULL [ 58.549950] lkdtm: attempting bad read at 0000000000000000 [ 58.556132] BUG: kernel NULL pointer dereference, address: 0000000000000000 5] lkdtm: Performing direct entry DOUBLE_FAULT # [ 53.021392][ 58.563914] #PF: supervisor read access in kernel mode [ 58.575865] #PF: error_code(0x0000) - not-present page [ 58.581602] PGD 0 P4D 0 lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAI[ 58.584427] Oops: 0000 [#13] SMP PTI [ 58.594630] CPU: 3 PID: 1915 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 58.603283] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 L'[: [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # se 58.610095] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.621564] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 18 9e e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 18 9e 48 01 [ 58.642551] RSP: 0018:ffffa64542537e58 EFLAGS: 00010246 [ 58.648376] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.656348] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 58.664318] RBP: ffffffff9e182109 R08: 0000000000000000 R09: 0000000000000000 [ 58.672287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.680255] R13: ffffa64542537f10 R14: ffffa64542537f10 R15: ffff94a348154000 [ 58.688226] FS: 00007f7905a91580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 58.697264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.703680] CR2: 0000000000000000 CR3: 0000000102924002 CR4: 00000000003706e0 [ 58.711651] Call Trace: [ 58.714379] direct_entry.cold+0x2c/0x38 [ 58.718759] full_proxy_write+0x53/0x80 [ 58.723041] vfs_write+0xe7/0x3a0 [ 58.726738] ksys_write+0x68/0xf0 [ 58.730435] do_syscall_64+0x30/0x40 [ 58.734417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.740057] RIP: 0033:0x7f79059a78f3 [ 58.744036] 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 [ 58.765018] RSP: 002b:00007fff32a89b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.773474] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f79059a78f3 [ 58.781444] RDX: 000000000000000c RSI: 00007f790589a000 RDI: 0000000000000001 [ 58.789414] RBP: 00007f790589a000 R08: 00007f7905899010 R09: 0000000000000000 [ 58.797382] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.805352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.813326] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lftests: lkdtm: CORRUPT_PAC.sh # [ 53.131791] lkdtm: Performi[ 58.839779] CR2: 0000000000000000 [ 58.849690] ---[ end trace 4b72338f81876812 ]--- [ 58.854844] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.859222] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 58.880196] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 58.886028] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.893995] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 58.901964] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 58.909941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.917903] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 58.925894] FS: 00007f7905a91580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 58.934943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.941359] CR2: 0000000000000000 CR3: 0000000102924002 CR4: 00000000003706e0 ng direct entry CORRUPT_PAC # [ 53.137939] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 53.218314] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.231264] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 53.373269] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.381701] lkdtm: Value in memory before free: 12345678 # [ 53.387643] lkdtm: Attempting bad read from freed memory # [ 53.393589] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.[ 59.078105] lkdtm: Performing direct entry WRITE_RO [ 59.085341] lkdtm: attempting bad rodata write at ffffffff9dd9b310 [ 59.092264] BUG: unable to handle page fault for address: ffffffff9dd9b310 [ 59.099951] #PF: supervisor write access in kernel mode [ 59.105786] #PF: error_code(0x0003) - permissions violation [ 59.112007] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001042000e1 [ 59.119785] Oops: 0003 [#14] SMP PTI [ 59.123771] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.132419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.139227] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.144185] Code: 00 48 c7 c7 f8 2e 18 9e 48 c7 c6 10 b3 d9 9d e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 9e 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d [ 59.165170] RSP: 0018:ffffa645425cfe60 EFLAGS: 00010202 [ 59.171002] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.178972] RDX: 00000000abcd1234 RSI: ffff94a3bad9bf70 RDI: ffffffff9e182f28 [ 59.186942] RBP: ffffffff9e182115 R08: 0000000000000000 R09: 0000000000000000 [ 59.194910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.202889] R13: ffffa645425cff10 R14: ffffa645425cff10 R15: ffff94a347a44000 [ 59.210859] FS: 00007fd5c3cb3580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 59.219896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.226312] CR2: ffffffff9dd9b310 CR3: 000000010276c002 CR4: 00000000003706e0 [ 59.234281] Call Trace: [ 59.237010] direct_entry.cold+0x2c/0x38 [ 59.241387] full_proxy_write+0x53/0x80 [ 59.245669] vfs_write+0xe7/0x3a0 [ 59.249366] ksys_write+0x68/0xf0 [ 59.253065] do_syscall_64+0x30/0x40 [ 59.257053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.262693] RIP: 0033:0x7fd5c3bc98f3 [ 59.266673] 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 [ 59.287654] RSP: 002b:00007ffe724284e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.296110] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd5c3bc98f3 [ 59.304078] RDX: 0000000000000009 RSI: 00007fd5c3abc000 RDI: 0000000000000001 [ 59.312048] RBP: 00007fd5c3abc000 R08: 00007fd5c3abb010 R09: 0000000000000000 [ 59.320017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.327983] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.335958] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 5[ 59.362414] CR2: ffffffff9dd9b310 [ 59.372325] ---[ end trace 4b72338f81876813 ]--- [ 59.377481] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.381858] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 59.402843] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 59.408677] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.416646] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 59.424613] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 59.432582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.440549] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 59.448517] FS: 00007fd5c3cb3580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 59.457554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.463970] CR2: ffffffff9dd9b310 CR3: 000000010276c002 CR4: 00000000003706e0 [ 59.471948] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.481861] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950, name: cat [ 59.490317] INFO: lockdep is turned off. [ 59.494693] irq event stamp: 0 [ 59.498098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.505099] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.514234] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.523369] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.530367] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.539014] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.545817] Call Trace: [ 59.548545] dump_stack+0x77/0x9b [ 59.552243] ___might_sleep.cold+0xa6/0xb6 [ 59.556815] exit_signals+0x1c/0x2e0 [ 59.560803] do_exit+0xd5/0xb00 [ 59.564305] ? ksys_write+0x68/0xf0 [ 59.568197] rewind_stack_do_exit+0x17/0x20 [ 59.572865] RIP: 0033:0x7fd5c3bc98f3 [ 59.576851] 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 [ 59.597836] RSP: 002b:00007ffe724284e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.606285] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd5c3bc98f3 [ 59.614253] RDX: 0000000000000009 RSI: 00007fd5c3abc000 RDI: 0000000000000001 [ 59.622221] RBP: 00007fd5c3abc000 R08: 00007fd5c3abb010 R09: 0000000000000000 [ 59.630191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.638161] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.511590] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.523015] lkdtm: Value in memory before free: 12345678 # [ 53.535166] lkdtm: Attempting to read from freed memory # [ 53.547219] 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 # [ 53.632411] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.639222] 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 # [ 53.725066] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.731499] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.816099] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.824165] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skip[ 59.761450] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTL[ 59.770780] lkdtm: attempting bad ro_after_init write at ffffffff9e1fe330 OCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping H[ 59.784613] BUG: unable to handle page fault for address: ffffffff9e1fe330 [ 59.798475] #PF: supervisor write access in kernel mode [ 59.804311] #PF: error_code(0x0003) - permissions violation ARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.[ 59.810535] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001046000e1 [ 59.824534] Oops: 0003 [#15] SMP PTI [ 59.828526] CPU: 1 PID: 1985 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 59.837179] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.843978] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOC[ 59.850007] Code: 2f 18 9e e9 e3 9b fd ff 48 c7 c7 80 2f 18 9e e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 9e 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.877199] RSP: 0018:ffffa64542647e60 EFLAGS: 00010202 [ 59.883023] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.890992] RDX: 00000000abcd1234 RSI: ffff94a3bac9bf70 RDI: ffffffff9e182f28 [ 59.898958] RBP: ffffffff9e18211e R08: 0000000000000000 R09: 0000000000000000 [ 59.906945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.914915] R13: ffffa64542647f10 R14: ffffa64542647f10 R15: ffff94a342723000 [ 59.922893] FS: 00007f25d57af580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 [ 59.931936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 KUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # S[ 59.938361] CR2: ffffffff9e1fe330 CR3: 0000000108d26004 CR4: 00000000003706e0 [ 59.952545] Call Trace: [ 59.955272] direct_entry.cold+0x2c/0x38 [ 59.959651] full_proxy_write+0x53/0x80 KIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Han[ 59.963941] vfs_write+0xe7/0x3a0 [ 59.973847] ksys_write+0x68/0xf0 [ 59.977544] do_syscall_64+0x30/0x40 [ 59.981532] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.987171] RIP: 0033:0x7f25d56c58f3 [ 59.991158] 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 [ 60.012136] RSP: 002b:00007ffc97e2f818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.020591] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f25d56c58f3 [ 60.028558] RDX: 0000000000000014 RSI: 00007f25d55b8000 RDI: 0000000000000001 [ 60.036527] RBP: 00007f25d55b8000 R08: 00007f25d55b7010 R09: 0000000000000000 [ 60.044494] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.052463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 gs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # se[ 60.060426] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.093063] CR2: ffffffff9e1fe330 [ 60.096758] ---[ end trace 4b72338f81876814 ]--- [ 60.101914] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.106290] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.127269] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 60.133101] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.141067] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 60.149037] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.157007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.164976] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 60.172944] FS: 00007f25d57af580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 [ 60.181980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.188395] CR2: ffffffff9e1fe330 CR3: 0000000108d26004 CR4: 00000000003706e0 lftests: lkdtm: EXEC_DATA.sh # Killed # [ 54.037085] lkdtm: Performing direct entry EXEC_DATA # [ 54.046621] lkdtm: attempting ok execution at ffffffff9d0dedc0 # [ 54.053167] lkdtm: attempting bad execution at ffffffff9fa0c560 # [ 54.065992] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.074377] BUG: unable to handle page fault for address: ffffffff9fa0c560 # [ 54.088270] #PF: supervisor instruction fetch in kernel mode # [ 54.094589] #PF: error_code(0x0011) - permissions violation # [ 54.100810] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001060000e3 # [ 54.108590] Oops: 0011 [#5] SMP PTI # [ 54.112481] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 54.121130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.127942] RIP: 0010:data_area+0x0/0x40 # [ 54.132320] Code: ff ff 00 1e 25 40 a3 94 ff ff 00 1d 25 40 a3 94 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.153302] RSP: 0018:ffffa6454215fe48 EFLAGS: 00010246 # [ 54.159135] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.167104] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 54.175072] RBP: [ 60.323771] lkdtm: Performing direct entry WRITE_KERN ffffffff9fa0c560 R08: 0000000000000000 R09: 0000000000000000 # [ 60.332528] lkdtm: attempting bad 6678339 byte write at ffffffff9d73d503 [ 54.183042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 60.346242] BUG: unable to handle page fault for address: ffffffff9d73d503 [ 60.360128] #PF: supervisor write access in kernel mode [ 60.365962] #PF: error_code(0x0003) - permissions violation [ 60.372184] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 103c000e1 000000000000000a # [ 54.191012] R13: ffffa6454215ff10 R14: ff[ 60.379286] Oops: 0003 [#16] SMP PTI [ 60.389489] CPU: 1 PID: 2020 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 60.398141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.404943] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ffa6454215ff10 R15: ffff94a342902000 # [ 54.198983] FS: 0000[ 60.410098] Code: 53 48 c7 c3 03 d5 73 9d 49 89 dc 48 89 da 49 81 ec c0 ed 0d 9d 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 0d 9d a4 48 c7 c7 28 2f 18 9e e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 60.437298] RSP: 0018:ffffa645426efe50 EFLAGS: 00010246 [ 60.443132] RAX: 000000000000003c RBX: ffffffff9d73d503 RCX: 000000000065e743 [ 60.451101] RDX: 0000000000000000 RSI: ffffffff9d0dedc0 RDI: ffffffff9d73d503 [ 60.459069] RBP: ffffffff9e182132 R08: 0000000000000000 R09: 0000000000000000 [ 60.467037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 [ 60.475007] R13: ffffa645426eff10 R14: ffffa645426eff10 R15: ffff94a347818000 [ 60.482977] FS: 00007f6a2553e580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 [ 60.492015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.498432] CR2: ffffffff9d73d503 CR3: 0000000102958001 CR4: 00000000003706e0 [ 60.506404] Call Trace: [ 60.509134] direct_entry.cold+0x2c/0x38 7f3db0ef5580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000[ 60.513516] full_proxy_write+0x53/0x80 [ 60.524009] vfs_write+0xe7/0x3a0 [ 60.527710] ksys_write+0x68/0xf0 [ 60.531408] do_syscall_64+0x30/0x40 [ 60.535399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.541040] RIP: 0033:0x7f6a254548f3 [ 60.545030] 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 [ 60.566015] RSP: 002b:00007ffc4e831d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.574463] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a254548f3 [ 60.582434] RDX: 000000000000000b RSI: 00007f6a25347000 RDI: 0000000000000001 [ 60.590402] RBP: 00007f6a25347000 R08: 00007f6a25346010 R09: 0000000000000000 [ 60.598371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.606341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 # [ 54.208021] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 60.614309] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.646953] CR2: ffffffff9d73d503 [ 60.650651] ---[ end trace 4b72338f81876815 ]--- [ 60.655799] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.660177] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.681155] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 [ 60.686989] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.694960] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 [ 60.702935] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.710904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.718889] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 [ 60.726859] FS: 00007f6a2553e580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 [ 60.735898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.742304] CR2: ffffffff9d73d503 CR3: 0000000102958001 CR4: 00000000003706e0 [ 60.750272] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.760184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2020, name: cat [ 60.768640] INFO: lockdep is turned off. [ 60.773016] irq event stamp: 0 [ 60.776422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.783414] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.792550] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.801686] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.808686] CPU: 1 PID: 2020 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 60.817326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.824131] Call Trace: [ 60.826858] dump_stack+0x77/0x9b [ 60.830557] ___might_sleep.cold+0xa6/0xb6 [ 60.835131] exit_signals+0x1c/0x2e0 [ 60.839109] do_exit+0xd5/0xb00 [ 60.842612] ? ksys_write+0x68/0xf0 [ 60.846504] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.851949] rewind_stack_do_exit+0x17/0x20 [ 60.856616] RIP: 0033:0x7f6a254548f3 [ 60.860603] 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 [ 60.881580] RSP: 002b:00007ffc4e831d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.890035] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a254548f3 [ 60.898005] RDX: 000000000000000b RSI: 00007f6a25347000 RDI: 0000000000000001 [ 60.905974] RBP: 00007f6a25347000 R08: 00007f6a25346010 R09: 0000000000000000 [ 60.913942] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.921910] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0050033 # [ 54.214438] CR2: ffffffff9fa0c560 CR3: 0000000108d26003 CR4: 00000000003706e0 # [ 54.222408] Call Trace: # [ 54.225137] ? execute_location+0x45/0x56 # [ 54.229613] ? direct_entry.cold+0x2c/0x38 # [ 54.234186] ? full_proxy_write+0x53/0x80 # [ 54.238662] ? vfs_write+0xe7/0x3a0 # [ 54.242553] ? ksys_write+0x68/0xf0 # [ 54.246447] ? do_syscall_64+0x30/0x40 # [ 54.250630] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.256460] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.282925] CR2: ffffffff9fa0c560 # [ 54.292839] ---[ end trace 4b72338f8187680a ]--- # [ 54.297985] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.302361] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 54.323348] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 54.329182] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 [ 61.044011] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.054699] lkdtm: attempting good refcount_inc() without overflow [ 61.061607] lkdtm: attempting bad refcount_inc() overflow [ 61.067640] ------------[ cut here ]------------ [ 61.072821] refcount_t: saturated; leaking memory. [ 61.078197] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 RCX: 0000000000000000 # [ 54.337153] RDX: 0000000000000000 RS[ 61.087633] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.120270] CPU: 3 PID: 2055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 61.128941] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 I: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 54.345122] RBP:[ 61.135753] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.147802] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 [ 61.168787] RSP: 0018:ffffa6454279fe48 EFLAGS: 00010286 [ 61.174622] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.182595] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 #[ 61.190575] RBP: ffffffff9e18213d R08: 0000000000000000 R09: 0000000000000000 [ 54.353092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 61.204764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000000000000004 # [ 54.361062] R13: ffffa645414a7f10 R14: f[ 61.218955] R13: ffffa6454279ff10 R14: ffffa6454279ff10 R15: ffff94a3427c6000 fffa645414a7f10 R15: ffff94a348d47000 # [ 54.369033] FS: 000[ 61.233146] FS: 00007ff597ef4580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 61.248404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.254824] CR2: 00007ff597cfd000 CR3: 0000000107aac003 CR4: 00000000003706e0 [ 61.262796] Call Trace: [ 61.265529] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 61.270912] direct_entry.cold+0x2c/0x38 [ 61.275317] full_proxy_write+0x53/0x80 [ 61.279600] vfs_write+0xe7/0x3a0 [ 61.283347] ksys_write+0x68/0xf0 07f3db0ef5580(0000) GS:ffff94a3bad00000(0000) knlGS:000000000000[ 61.287052] do_syscall_64+0x30/0x40 [ 61.297247] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.302895] RIP: 0033:0x7ff597e0a8f3 0000 # [ 54.378091] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 61.306888] 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 [ 61.334080] RSP: 002b:00007ffe28d682c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.342539] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff597e0a8f3 [ 61.350510] RDX: 0000000000000016 RSI: 00007ff597cfd000 RDI: 0000000000000001 [ 61.358482] RBP: 00007ff597cfd000 R08: 00007ff597cfc010 R09: 0000000000000000 [ 61.366453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.374424] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.382399] irq event stamp: 0 [ 61.385836] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.392837] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.401977] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.411113] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.418112] ---[ end trace 4b72338f81876816 ]--- [ 61.423266] lkdtm: Overflow detected: saturated 80050033 # [ 54.384509] CR2: ffffffff9fa0c560 CR3: 0000000108d26003 CR4: 00000000003706e0 # [ 54.392479] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.402392] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat # [ 54.410848] INFO: lockdep is turned off. # [ 54.415225] irq event stamp: 0 # [ 54.418631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.425623] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.434761] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.443890] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.450892] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 54.459542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.466348] Call Trace: # [ 54.469076] dump_stack+0x77/0x9b # [ 54.472775] ___might_sleep.cold+0xa6/0xb6 # [ 54.477346] exit_signals+[ 61.525725] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.534504] lkdtm: attempting good refcount_add() without overflow [ 61.541408] lkdtm: attempting bad refcount_add() overflow 0x1c/0x2e0 # [ 54.481337] do_exit+0xd5/0xb00 # [ 54.48484[ 61.547445] ------------[ cut here ]------------ 2] ? ksys_write+0x68/0xf0 # [ 54.488734] rewind_stack_do_ex[ 61.558814] refcount_t: saturated; leaking memory. it+0x17/0x20 # [ 54.493395] RIP: 0033:0x7f3db0e0b8f3 # [ 5[ 61.570395] WARNING: CPU: 2 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 61.586027] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4.497382] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 61.612490] CPU: 2 PID: 2087 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 61.627349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.634183] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.640020] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 [ 61.661007] RSP: 0018:ffffa645427ffe48 EFLAGS: 00010286 [ 61.666842] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.674815] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 61.682787] RBP: ffffffff9e182153 R08: 0000000000000000 R09: 0000000000000000 [ 61.690758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.698729] R13: ffffa645427fff10 R14: ffffa645427fff10 R15: ffff94a34781b000 [ 61.706703] FS: 00007f2003c3b580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 61.715742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.722159] CR2: 00007f2003a44000 CR3: 00000001074e8001 CR4: 00000000003706e0 [ 61.730132] Call Trace: [ 61.732881] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 61.738242] direct_entry.cold+0x2c/0x38 [ 61.748831] full_proxy_write+0x53/0x80 [ 61.753115] vfs_write+0xe7/0x3a0 [ 61.756817] ksys_write+0x68/0xf0 [ 61.760518] do_syscall_64+0x30/0x40 [ 61.764532] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.770174] RIP: 0033:0x7f2003b518f3 [ 61.774165] 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 [ 61.795153] RSP: 002b:00007ffcc6ceb998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.803613] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2003b518f3 [ 61.811588] RDX: 0000000000000016 RSI: 00007f2003a44000 RDI: 0000000000000001 [ 61.819562] RBP: 00007f2003a44000 R08: 00007f2003a43010 R09: 0000000000000000 [ 61.827536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 61.835510] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 28 48 89 54 24 18 # [ 54.518370] RSP: 002b:00007ffc4cb12fa8 E[ 61.849702] irq event stamp: 0 [ 61.859324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.866328] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.875468] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.884608] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.891612] ---[ end trace 4b72338f81876817 ]--- [ 61.896768] lkdtm: Overflow detected: saturated FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.526818] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3db0e0b8f3 # [ 54.534788] RDX: 000000000000000a RSI: 00007f3db0cfe000 RDI: 0000000000000001 # [ 54.542760] RBP: 00007f3db0cfe000 R08: 00007f3db0cfd010 R09: 0000000000000000 # [ 54.550731] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.558701] 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 # [ 54.667234] lkdtm: Performing direct entry EXEC_STACK # [ 54.678022] lkdtm: attempting ok execution at ffffffff9d0dedc0 # [ 54.684552] lkdtm: attempting bad execution at ffffa645421d7e18 # [ 54.691182] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.699547] BUG: unable to handle page fault for address: ffffa645421d7e18 # [ 54.707227] #PF: supervisor instruction fetch in kernel mode # [ 54.713545] #PF: error_code(0x0011) - permissions violation # [ [ 62.004194] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.015100] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.022039] ------------[ cut here ]------------ [ 62.027197] refcount_t: saturated; leaking memory. [ 62.032577] WARNING: CPU: 2 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 54.719767] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1064a[ 62.042012] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.074654] CPU: 2 PID: 2119 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 62.083309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.090119] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.095956] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 [ 62.116946] RSP: 0018:ffffa6454284fe38 EFLAGS: 00010282 9067 PTE 800000010782f063 # [ 54.728809] Oops: 0011 [#6] SMP [ 62.122787] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 PTI # [ 54.732702] CPU: 3 PID: 1665 Comm: cat Tainted: G [ 62.136981] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 62.151167] RBP: ffffffff9e181d90 R08: 0000000000000000 R09: 0000000000000000 [ 62.159141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.167116] R13: ffffa6454284ff10 R14: ffffa6454284ff10 R15: ffff94a347a9c000 [ 62.175104] FS: 00007f123cc11580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 62.184182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.190636] CR2: 00007f123ca1a000 CR3: 00000001087ae003 CR4: 00000000003706e0 [ 62.198632] Call Trace: [ 62.201364] __refcount_add_not_zero.constprop.0+0x2a/0x35 D W 5.10.147-cip18 #1 # [ 54.741344] Hardware name: [ 62.207519] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.219955] direct_entry.cold+0x2c/0x38 [ 62.224336] full_proxy_write+0x53/0x80 [ 62.228644] vfs_write+0xe7/0x3a0 [ 62.232345] ksys_write+0x68/0xf0 [ 62.236047] do_syscall_64+0x30/0x40 [ 62.240063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.245707] RIP: 0033:0x7f123cb278f3 [ 62.249700] 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 [ 62.270686] RSP: 002b:00007ffcb795eda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.279145] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f123cb278f3 [ 62.287116] RDX: 000000000000001f RSI: 00007f123ca1a000 RDI: 0000000000000001 [ 62.295089] RBP: 00007f123ca1a000 R08: 00007f123ca19010 R09: 0000000000000000 [ 62.303062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.311034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.319010] irq event stamp: 0 [ 62.322448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.329452] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.338592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.347731] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.354732] ---[ end trace 4b72338f81876818 ]--- Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.748150] RIP: 00[ 62.359893] lkdtm: Overflow detected: saturated 10:0xffffa645421d7e18 # [ 54.752527] Code: 00 00 18 7e 1d 42 45 a6 ff ff 59 d5 73 9d ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 18 9e ff ff ff ff 88 d6 73 9d 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 # [ 54.773516] RSP: 0018:ffffa645421d7df8 EFLAGS: 00010246 # [ 54.779351] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.787321] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 54.795292] RBP: ffffa645421d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.803262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.811233] R13: ffffa645421d7f10 R14: ffffa645421d7f10 R15: ffff94a34955d000 # [ 54.819203] FS: 00007ffb7276c580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 54.828242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.834658] CR2: ffffa645421d7e18 CR3: 00000001077d0006 CR4: 00000000003706e0 # [ 54.842629] Call Trace: # [ 54.845357] ? execute_location+0x45/0x56 # [ 54.849833] ? lkdtm_EXEC_STACK+0x2[ 62.474903] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 6/0x44 # [ 54.854308] ? direct_entry.cold+0x2c/0x38 # [ 5[ 62.484453] lkdtm: attempting bad refcount_add_not_zero() overflow 4.858894] ? full_proxy_write+0x53/0x80 # [ 54.863370] ? vfs[ 62.497599] ------------[ cut here ]------------ _write+0xe7/0x3a0 # [ 54.867262] ? ksys_write+0x68/0xf0 # [[ 62.508973] refcount_t: saturated; leaking memory. 54.871155] ? do_syscall_64+0x30/0x40 # [ 54.875341] ? en[ 62.520544] WARNING: CPU: 0 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.881182] Modules[ 62.536241] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 62.568915] CPU: 0 PID: 2151 Comm: cat Tainted: G D W 5.10.147-cip18 #1 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_cha[ 62.583739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 rdev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lig[ 62.596748] RIP: 0010:refcount_warn_saturate+0x97/0x110 htbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 62.608793] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 54.913818] CR2: ffffa645421d7e18 # [ 54.917518] ---[ end trac[ 62.636021] RSP: 0018:ffffa645428c7e38 EFLAGS: 00010282 e 4b72338f8187680b ]--- # [ 54.922676] RIP: 0010:lkdtm_BUG+0x[ 62.648051] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 5/0x10 # [ 54.927056] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea [ 62.662268] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 62.676446] RBP: ffffffff9e181db0 R08: 0000000000000000 R09: 0000000000000000 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 62.690663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0f 1f 44 00 00 83 05 20 db 92 02 # [ 54.954257] RSP: 0018:fff[ 62.704830] R13: ffffa645428c7f10 R14: ffffa645428c7f10 R15: ffff94a3427c4000 fa645414a7e60 EFLAGS: 00010286 # [ 54.960092] RAX: ffffffff9d[ 62.719038] FS: 00007f418db4d580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.968[ 62.734274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 062] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9d[ 62.746945] CR2: 00007f418d956000 CR3: 0000000107aba001 CR4: 00000000003706f0 d9ae90 # [ 54.976031] RBP: ffffffff9e1dd3c0 R08: 000000000000[ 62.761107] Call Trace: 0001 R09: 0000000000000001 # [ 54.984002] R10: 00000000ffffe0[ 62.770102] __refcount_add_not_zero.constprop.0+0x2a/0x35 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.991971][ 62.782406] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d470[ 62.794894] direct_entry.cold+0x2c/0x38 00 # [ 54.999951] FS: 00007ffb7276c580(0000) GS:ffff94a3bad8[ 62.805457] full_proxy_write+0x53/0x80 0000(0000) knlGS:0000000000000000 # [ 55.008991] CS: 0010 DS[ 62.816021] vfs_write+0xe7/0x3a0 : 0000 ES: 0000 CR0: 0000000080050033 # [ 55.015406] CR2: fff[ 62.825885] ksys_write+0x68/0xf0 fa645421d7e18 CR3: 00000001077d0006 CR4: 00000000003706e0 # EXE[ 62.835811] do_syscall_64+0x30/0x40 C_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STA[ 62.846023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.1[ 62.857883] RIP: 0033:0x7f418da638f3 22533] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.128[ 62.868065] 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 18 694] lkdtm: attempting ok execution at ffffffff9d0dedc0 # [ 5[ 62.895314] RSP: 002b:00007fff74f99918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5.135216] lkdtm: attempting bad execution at ffff94a3464d8240 #[ 62.909983] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f418da638f3 [ 55.141854] kernel tried to execute NX-protected page - expl[ 62.924197] RDX: 000000000000001f RSI: 00007f418d956000 RDI: 0000000000000001 oit attempt? (uid: 0) # [ 55.156429] BUG: unable to handle pa[ 62.938359] RBP: 00007f418d956000 R08: 00007f418d955010 R09: 0000000000000000 ge fault for address: ffff94a3464d8240 # [ 55.164099] #PF: su[ 62.952559] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 pervisor instruction fetch in kernel mode # [ 55.170418] #PF:[ 62.966742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 error_code(0x0011) - permissions violation # [ 55.176641] PG[ 62.980978] irq event stamp: 0 D 106201067 P4D 106201067 PUD 100214063 PMD 10092a063 PTE 800000[ 62.990556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 01064d8063 # [ 55.191902] Oops: 0011 [#7] SMP PTI # [ 55.1[ 63.003767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 95794] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.[ 63.019113] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 10.147-cip18 #1 # [ 55.204444] Hardware name: Google Rammus/R[ 63.034464] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.047666] ---[ end trace 4b72338f81876819 ]--- ammus, BIOS 09/04/2020 # [ 55.211250] RIP: 0010:0xffff94a346[ 63.052830] lkdtm: Overflow detected: saturated 4d8240 # [ 55.215618] Code: 00 00 02 00 00 00 00 00 00 00 40 87 4d 46 a3 94 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 9c 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 # [ 55.236603] RSP: 0018:ffffa645421b7e38 EFLAGS: 00010246 # [ 55.242437] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.250407] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 55.258378] RBP: ffff94a3464d8240 R08: 0000000000000000 R09: 0000000000000000 # [ 55.266341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.274311] R13: ffffa645421b7f10 R14: ffffa645421b7f10 R15: ffff94a347a5e000 # [ 55.282281] FS: 00007f2372dab580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 55.291320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.297727] CR2: ffff94a3464d8240 CR3: 000000010272c003 CR4: 00000000003706e0 # [ 55.305696] Call Trace: # [ 55.308426] ? execute_location+0x45/0x56 # [ 55.312903] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ [ 63.168696] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.176216] lkdtm: attempting good refcount_dec() [ 63.181482] lkdtm: attempting bad refcount_dec() to zero [ 63.187426] ------------[ cut here ]------------ [ 63.192594] refcount_t: decrement hit 0; leaking memory. [ 63.198564] WARNING: CPU: 3 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 55.317572] ? direct_entry.cold+0x2c/0x38 # [ 55.322136] ? [ 63.208000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.240636] CPU: 3 PID: 2183 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 63.249308] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.256117] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.261953] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.282950] RSP: 0018:ffffa64542967e48 EFLAGS: 00010286 [ 63.288818] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.296792] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 63.304766] RBP: ffffffff9e182169 R08: 0000000000000000 R09: 0000000000000000 [ 63.312740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.320734] R13: ffffa64542967f10 R14: ffffa64542967f10 R15: ffff94a347867000 full_proxy_write+0x53/0x80 # [ 55.326604] ? vfs_write+0xe7/0[ 63.328711] FS: 00007f34699ea580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 x3a0 # [ 55.330497] ? ksys_write+0x68/0xf0 # [ 55.334382][ 63.343970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? do_syscall_64+0x30/0x40 # [ 55.338567] ? entry_SYSCALL_6[ 63.356606] CR2: 00007f34697f3000 CR3: 0000000109536003 CR4: 00000000003706e0 [ 63.370799] Call Trace: [ 63.373562] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.378558] direct_entry.cold+0x2c/0x38 [ 63.382963] full_proxy_write+0x53/0x80 [ 63.387271] vfs_write+0xe7/0x3a0 [ 63.390996] ksys_write+0x68/0xf0 [ 63.394698] do_syscall_64+0x30/0x40 [ 63.398715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.404360] RIP: 0033:0x7f34699008f3 [ 63.408353] 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 [ 63.429343] RSP: 002b:00007ffdfe808a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.437830] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f34699008f3 [ 63.445804] RDX: 0000000000000012 RSI: 00007f34697f3000 RDI: 0000000000000001 [ 63.453777] RBP: 00007f34697f3000 R08: 00007f34697f2010 R09: 0000000000000000 [ 63.461751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.469724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.477702] irq event stamp: 0 4_after_hwframe+0x61/0xc6 # [ 55.344405] Modules linked in: f[ 63.481134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.494349] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.503490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.512629] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.519630] ---[ end trace 4b72338f8187681a ]--- [ 63.524787] lkdtm: Zero detected: saturated use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.370870] CR2: ffff94a3464d8240 # [ 55.380781] ---[ end trace 4b72338f8187680c ]--- # [ 55.385943] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.390321] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 55.411299] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 55.417132] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.425104] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 55.433074] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.441045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.449015] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 55.456986] FS: 00007f2372dab580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 55.466026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.472442] CR2: ffff94a3464d8240 CR3: 000000010272c003 CR4: 00000000003706e0 # EXEC_KMALLOC: sa[ 63.658088] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE w 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # [ 63.666732] lkdtm: attempting bad refcount_dec() below zero selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.576646] lk[ 63.679209] ------------[ cut here ]------------ dtm: Performing direct entry EXEC_VMALLOC # [ 55.585756] lkdt[ 63.690574] refcount_t: decrement hit 0; leaking memory. m: attempting ok execution at ffffffff9d0dedc0 # [ 55.592285][ 63.702731] WARNING: CPU: 0 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 lkdtm: attempting bad execution at ffffa6454068b000 # [ 55.6[ 63.718376] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 05127] kernel tried to execute NX-protected page - exploit attem[ 63.751009] CPU: 0 PID: 2218 Comm: cat Tainted: G D W 5.10.147-cip18 #1 pt? (uid: 0) # [ 55.613495] BUG: unable to handle page fault [ 63.765873] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 for address: ffffa6454068b000 # [ 55.627390] #PF: supervisor [ 63.778893] RIP: 0010:refcount_warn_saturate+0xfb/0x110 instruction fetch in kernel mode # [ 55.633711] #PF: error_co[ 63.790967] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b de(0x0011) - permissions violation # [ 55.639936] PGD 1000000[ 63.818147] RSP: 0018:ffffa645429d7e48 EFLAGS: 00010286 67 P4D 100000067 PUD 10020b067 PMD 108c9b067 PTE 800000010272506[ 63.830221] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 3 # [ 55.655197] Oops: 0011 [#8] SMP PTI # [ 55.659089] CP[ 63.844373] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 U: 2 PID: 1737 Comm: cat Tainted: G D W 5.10.147-ci[ 63.858602] RBP: ffffffff9e18217b R08: 0000000000000000 R09: 0000000000000000 p18 #1 # [ 55.667740] Hardware name: Google Rammus/Rammus, BI[ 63.872747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 OS 09/04/2020 # [ 55.674546] RIP: 0010:0xffffa6454068b000 #[ 63.886990] R13: ffffa645429d7f10 R14: ffffa645429d7f10 R15: ffff94a34782b000 [ 55.678944] Code: Unable to access opcode bytes at RIP 0xfff[ 63.901161] FS: 00007f9472e9a580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 fa6454068afd6. # [ 55.686624] RSP: 0018:ffffa645422e7e38 EFLA[ 63.916426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 GS: 00010246 # [ 55.692451] RAX: 0000000000000033 RBX: 000000[ 63.929019] CR2: 00007f9472ca3000 CR3: 000000010875e003 CR4: 00000000003706f0 0000000001 RCX: 0000000000000000 # [ 55.700421] RDX: 00000000[ 63.943245] Call Trace: 00000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 55.7[ 63.952186] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 08391] RBP: ffffa6454068b000 R08: 0000000000000000 R09: 00000000[ 63.963765] direct_entry.cold+0x2c/0x38 00000000 # [ 55.716361] R10: 00000000ffffe000 R11: 3fffffffff[ 63.974463] full_proxy_write+0x53/0x80 ffffff R12: 000000000000000d # [ 55.724332] R13: ffffa645422e[ 63.984902] vfs_write+0xe7/0x3a0 7f10 R14: ffffa645422e7f10 R15: ffff94a342725000 # [ 55.73230[ 63.994834] ksys_write+0x68/0xf0 2] FS: 00007f0462b4b580(0000) GS:ffff94a3bad00000(0000) knlGS:0[ 64.004742] do_syscall_64+0x30/0x40 000000000000000 # [ 55.741341] CS: 0010 DS: 0000 ES: 0000 CR[ 64.014992] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0: 0000000080050033 # [ 55.747757] CR2: ffffa6454068afd6 CR3:[ 64.026819] RIP: 0033:0x7f9472db08f3 0000000108758001 CR4: 00000000003706e0 # [ 55.755728] Call T[ 64.037054] 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 race: # [ 55.758457] ? execute_location+0x45/0x56 # [ 55.[ 64.064248] RSP: 002b:00007ffec8298568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 762943] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.767612] ? dir[ 64.078951] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9472db08f3 ect_entry.cold+0x2c/0x38 # [ 55.772184] ? full_proxy_write+0[ 64.093132] RDX: 0000000000000016 RSI: 00007f9472ca3000 RDI: 0000000000000001 x53/0x80 # [ 55.776651] ? vfs_write+0xe7/0x3a0 # [ 55.780[ 64.107358] RBP: 00007f9472ca3000 R08: 00007f9472ca2010 R09: 0000000000000000 543] ? ksys_write+0x68/0xf0 # [ 55.784437] ? do_syscall_64+[ 64.121530] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0x30/0x40 # [ 55.788621] ? entry_SYSCALL_64_after_hwframe+0x[ 64.135722] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 61/0xc6 # [ 55.794460] Modules linked in: fuse ip_tables cros[ 64.149926] irq event stamp: 0 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 64.159558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sy[ 64.172774] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 sfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros[ 64.188146] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 _ec_dev cros_usbpd_notify # [ 55.820919] CR2: ffffa6454068b00[ 64.203495] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 # [ 55.830831] ---[ end trace 4b72338f8187680d ]--- # [ [ 64.216722] ---[ end trace 4b72338f8187681b ]--- 55.835985] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.840362] Code: [ 64.228094] lkdtm: Negative detected: saturated 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 55.861349] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 55.867183] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.875154] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 55.883125] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.891096] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.899067] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 55.907039] FS: 00007f0462b4b580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 55.916079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.922495] CR2: ffffa6454068afd6 CR3: 0000000108758001 CR4: 00000000003706e0 # [ 55.930466] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.940378] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat # [ 55.948834] INFO: lockdep is turned off. # [ 55.953210] irq event stamp: 0 # [ 55.956614[ 64.355062] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 64.365025] lkdtm: attempting bad refcount_dec_and_test() below zero 55.963615] hardirqs last disabled at (0): [] [ 64.378348] ------------[ cut here ]------------ copy_process+0x640/0x1c80 # [ 55.972743] softirqs last enabl[ 64.389722] refcount_t: underflow; use-after-free. ed at (0): [] copy_process+0x640/0x1c80 # [ [ 64.401322] WARNING: CPU: 1 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 55.981891] softirqs last disabled at (0): [<0000000000000000>] [ 64.416940] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x0 # [ 55.988889] CPU: 2 PID: 1737 Comm: cat Tainted: G [ 64.449586] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.147-cip18 #1 D W 5.10.147-cip18 #1 # [ 55.997541] Hardware name: [ 64.464455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.477478] RIP: 0010:refcount_warn_saturate+0xba/0x110 Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.004345] Call Tr[ 64.483316] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.510509] RSP: 0018:ffffa64542a67e40 EFLAGS: 00010286 ace: # [ 56.007072] dump_stack+0x77/0x9b # [ 56.010771] [ 64.516372] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 ___might_sleep.cold+0xa6/0xb6 # [ 56.015344] exit_signals+0x[ 64.530563] RDX: ffff94a3bacac660 RSI: ffff94a3bac9bf70 RDI: ffff94a3bac9bf70 1c/0x2e0 # [ 56.019333] do_exit+0xd5/0xb00 # [ 56.022827][ 64.544752] RBP: ffffffff9e181dd0 R08: 0000000000000000 R09: 0000000000000000 ? ksys_write+0x68/0xf0 # [ 56.026712] rewind_stack_do_exit[ 64.558947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.573131] R13: ffffa64542a67f10 R14: ffffa64542a67f10 R15: ffff94a347531000 +0x17/0x20 # [ 56.031380] RIP: 0033:0x7f0462a618f3 # [ 56.[ 64.581105] FS: 00007fd79cf88580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 035370] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 64.596381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 64.608995] CR2: 00007fd79cd91000 CR3: 0000000108d5c002 CR4: 00000000003706e0 [ 64.623183] Call Trace: 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 64.625918] __refcount_sub_and_test.constprop.0+0x3c/0x50 48 89 54 24 18 # [ 56.056349] RSP: 002b:00007ffef96e75b8 EFL[ 64.638252] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.064797] RAX: [ 64.650691] direct_entry.cold+0x2c/0x38 ffffffffffffffda RBX: 000000000000000d RCX: 00007f0462a618f3 # [ 64.661288] full_proxy_write+0x53/0x80 [ 56.072766] RDX: 000000000000000d RSI: 00007f0462954000 RDI: [ 64.671786] vfs_write+0xe7/0x3a0 0000000000000001 # [ 56.080736] RBP: 00007f0462954000 R08: 00[ 64.681702] ksys_write+0x68/0xf0 007f0462953010 R09: 0000000000000000 # [ 56.088705] R10: ffff[ 64.691619] do_syscall_64+0x30/0x40 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 64.701826] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.713683] RIP: 0033:0x7fd79ce9e8f3 56.096676] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 64.717674] 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 000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selft[ 64.744892] RSP: 002b:00007ffd211faec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.759561] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd79ce9e8f3 ests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh[ 64.767532] RDX: 000000000000001f RSI: 00007fd79cd91000 RDI: 0000000000000001 [ 64.781713] RBP: 00007fd79cd91000 R08: 00007fd79cd90010 R09: 0000000000000000 # Killed # [ 56.206225] lkdtm: Performing direct entry EXEC[ 64.789687] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.803886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _RODATA # [ 56.216098] lkdtm: attempting ok execution at ffff[ 64.811875] irq event stamp: 0 ffff9d0dedc0 # [ 56.228860] lkdtm: attempting bad execution a[ 64.821493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 t ffffffff9dd9b320 # [ 56.241699] kernel tried to execute NX-[ 64.834717] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.850069] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 protected page - exploit attempt? (uid: 0) # [ 56.256255] BUG[ 64.859209] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.872421] ---[ end trace 4b72338f8187681c ]--- : unable to handle page fault for address: ffffffff9dd9b320 # [[ 64.877580] lkdtm: Negative detected: saturated 56.263938] #PF: supervisor instruction fetch in kernel mode # [ 56.270258] #PF: error_code(0x0011) - permissions violation # [ 56.276479] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001042000e1 # [ 56.284264] Oops: 0011 [#9] SMP PTI # [ 56.288155] CPU: 0 PID: 1773 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 56.296805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.303612] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.309353] Code: ff ff f8 ea 73 9d ff ff ff ff fa 22 18 9e ff ff ff ff 3e d2 73 9d ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.330339] RSP: 0018:ffffa64542357e48 EFLAGS: 00010246 # [ 56.336163] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.344134] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 56.352104] RBP: ffffffff9dd9b320 R08: 0000000000000000 R09: 0000000000000000 # [ 56.360074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.368044] R13: ffffa64542357f10 R14: ffffa64542357f[ 64.995962] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 65.008347] lkdtm: attempting bad refcount_sub_and_test() below zero [ 65.015452] ------------[ cut here ]------------ [ 65.020645] refcount_t: underflow; use-after-free. [ 65.026057] WARNING: CPU: 3 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 10 R15: ffff94a342989000 # [ 56.376014] FS: 00007f50e044b580[ 65.035497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.068134] CPU: 3 PID: 2288 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 65.076816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.083626] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 65.089465] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 65.110451] RSP: 0018:ffffa64542af7e40 EFLAGS: 00010286 (0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 5[ 65.116291] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 65.130483] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 65.138481] RBP: ffffffff9e181df0 R08: 0000000000000000 R09: 0000000000000000 [ 65.146454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.154428] R13: ffffa64542af7f10 R14: ffffa64542af7f10 R15: ffff94a349483000 [ 65.162401] FS: 00007f6b121ba580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 65.171465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6.385051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 65.177895] CR2: 00007f6b11fc3000 CR3: 00000001095fc003 CR4: 00000000003706e0 [ 65.192074] Call Trace: [ 65.194807] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.200966] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 65.207217] direct_entry.cold+0x2c/0x38 [ 65.211598] full_proxy_write+0x53/0x80 56.391468] CR2: ffffffff9dd9b320 CR3: 00000001087da002 CR4: 0[ 65.215896] vfs_write+0xe7/0x3a0 [ 65.225811] ksys_write+0x68/0xf0 [ 65.229513] do_syscall_64+0x30/0x40 [ 65.233506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.239149] RIP: 0033:0x7f6b120d08f3 [ 65.243140] 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 [ 65.264127] RSP: 002b:00007fff1e17caf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.272587] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6b120d08f3 [ 65.280560] RDX: 000000000000001f RSI: 00007f6b11fc3000 RDI: 0000000000000001 [ 65.288533] RBP: 00007f6b11fc3000 R08: 00007f6b11fc2010 R09: 0000000000000000 [ 65.296504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.304475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.312453] irq event stamp: 0 0000000003706f0 # [ 56.399429] Call Trace: # [ 56.402158] [ 65.315893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.329113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.338252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.347390] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.354392] ---[ end trace 4b72338f8187681d ]--- [ 65.359547] lkdtm: Negative detected: saturated ? execute_location+0x45/0x56 # [ 56.406638] ? direct_entry.cold+0x2c/0x38 # [ 56.411204] ? full_proxy_write+0x53/0x80 # [ 56.415686] ? vfs_write+0xe7/0x3a0 # [ 56.419584] ? ksys_write+0x68/0xf0 # [ 56.423467] ? do_syscall_64+0x30/0x40 # [ 56.427656] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.433486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.459929] CR2: ffffffff9dd9b320 # [ 56.463627] ---[ end trace 4b72338f8187680e ]--- # [ 56.468782] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.473158] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 56.494145] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 56.499978] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.507947] RDX: 0000000000000000 RSI: ffff94a3b[ 65.471002] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.482832] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.489955] lkdtm: Good: zero detected ac1bf70 RDI: ffffffff9dd9ae90 # [ 56.515916] RBP: ffffffff9e1[ 65.494171] lkdtm: Correctly stayed at zero dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.5238[ 65.505063] lkdtm: attempting bad refcount_inc() from zero [ 65.517406] ------------[ cut here ]------------ 86] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 65.522561] refcount_t: addition on 0; use-after-free. [ 65.534541] WARNING: CPU: 3 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00004 # [ 56.531857] R13: ffffa645414a7f10 R14: ffffa645414a7[ 65.543974] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.576637] CPU: 3 PID: 2320 Comm: cat Tainted: G D W 5.10.147-cip18 #1 f10 R15: ffff94a348d47000 # [ 56.539828] FS: 00007f50e044b58[ 65.585301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.598318] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.604155] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 9e c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 [ 65.625147] RSP: 0018:ffffa64542a67e48 EFLAGS: 00010286 [ 65.630984] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.638958] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 65.646940] RBP: ffffffff9e182191 R08: 0000000000000000 R09: 0000000000000000 [ 65.654915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.662898] R13: ffffa64542a67f10 R14: ffffa64542a67f10 R15: ffff94a34955d000 0(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ [ 65.670872] FS: 00007f246830c580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 65.686125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.692544] CR2: 00007f2468115000 CR3: 00000001085f4005 CR4: 00000000003706e0 [ 65.700518] Call Trace: [ 65.703249] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 65.708234] direct_entry.cold+0x2c/0x38 [ 65.712640] full_proxy_write+0x53/0x80 [ 65.716948] vfs_write+0xe7/0x3a0 [ 65.720673] ksys_write+0x68/0xf0 [ 65.724375] do_syscall_64+0x30/0x40 [ 65.728368] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.734013] RIP: 0033:0x7f24682228f3 [ 65.738005] 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 [ 65.758994] RSP: 002b:00007ffda10d3a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.767454] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24682228f3 [ 65.775426] RDX: 0000000000000012 RSI: 00007f2468115000 RDI: 0000000000000001 56.548867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.783400] RBP: 00007f2468115000 R08: 00007f2468114010 R09: 0000000000000000 [ 65.797589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.555283] CR2: ffffffff9dd9b320 CR3: 00000001087da002 CR4: [ 65.805561] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.819768] irq event stamp: 0 00000000003706f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 se[ 65.823185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.836401] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.845538] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.854677] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.861678] ---[ end trace 4b72338f8187681e ]--- [ 65.866833] lkdtm: Zero detected: saturated lftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.704432] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.712394] lkdtm: attempting ok execution at ffffffff9d0dedc0 # [ 56.725170] lkdtm: attempting bad execution at 00007f60ca16d000 # [ 56.737998] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.744440] BUG: unable to handle page fault for address: 00007f60ca16d000 # [ 56.758335] #PF: supervisor instruction fetch in kernel mode # [ 56.764656] #PF: error_code(0x0011) - permissions violation # [ 56.770877] PGD 8000000109477067 P4D 8000000109477067 PUD 108599067 PMD 108e3c067 PTE 117548067 # [ 56.786818] Oops: 0011 [#10] SMP PTI # [ 56.790809] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 56.799461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.812484] RIP: 0010:0x7f60ca16d000 # [ 56.816472] Code: Unable to access opcode bytes at RIP 0x7f60ca16cfd6. # [ 56.823761] RSP: 0018:ffffa645423dfe50 EFLAGS: 00010246 # [ 56.829595] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.837[ 65.980891] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.989730] lkdtm: attempting safe refcount_add_not_zero() from zero [ 65.996837] lkdtm: Good: zero detected [ 66.001056] lkdtm: Correctly stayed at zero [ 66.005760] lkdtm: attempting bad refcount_add() from zero [ 66.011900] ------------[ cut here ]------------ 566] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3ba[ 66.017065] refcount_t: addition on 0; use-after-free. [ 66.029043] WARNING: CPU: 3 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 d9bf70 # [ 56.845537] RBP: 00007f60ca16d000 R08: 000000000000[ 66.038479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.071120] CPU: 3 PID: 2352 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 66.079807] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000 R09: 0000000000000000 # [ 56.853509] R10: 00000000ffffe0[ 66.086621] RIP: 0010:refcount_warn_saturate+0x74/0x110 00 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.861471][ 66.098674] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 9e c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 R13: ffffa645423dff10 R14: ffffa645423dff10 R15: ffff94a348cd50[ 66.125896] RSP: 0018:ffffa64542c07e48 EFLAGS: 00010286 [ 66.137948] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.145960] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 00 # [ 56.869443] FS: 00007f60ca13e580(0000) GS:ffff94a3bad8[ 66.153945] RBP: ffffffff9e1821a3 R08: 0000000000000000 R09: 0000000000000000 [ 66.168129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.176101] R13: ffffa64542c07f10 R14: ffffa64542c07f10 R15: ffff94a34797f000 [ 66.184075] FS: 00007f1812d35580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 66.193118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.199536] CR2: 00007f1812b3e000 CR3: 000000010753c006 CR4: 00000000003706e0 [ 66.207510] Call Trace: [ 66.210241] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.215228] direct_entry.cold+0x2c/0x38 [ 66.219636] full_proxy_write+0x53/0x80 [ 66.223935] vfs_write+0xe7/0x3a0 [ 66.227667] ksys_write+0x68/0xf0 [ 66.231371] do_syscall_64+0x30/0x40 [ 66.235365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.241006] RIP: 0033:0x7f1812c4b8f3 [ 66.244998] 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 [ 66.265985] RSP: 002b:00007fffffcc1358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.274445] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1812c4b8f3 [ 66.282418] RDX: 0000000000000012 RSI: 00007f1812b3e000 RDI: 0000000000000001 [ 66.290393] RBP: 00007f1812b3e000 R08: 00007f1812b3d010 R09: 0000000000000000 [ 66.298366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.306339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.314316] irq event stamp: 0 [ 66.317753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.324759] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.333900] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.343038] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.350040] ---[ end trace 4b72338f8187681f ]--- [ 66.355196] lkdtm: Zero detected: saturated 0000(0000) knlGS:0000000000000000 # [ 56.878484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.884901] CR2: 00007f60ca16d000 CR3: 000000010941c002 CR4: 00000000003706e0 # [ 56.892890] Call Trace: # [ 56.895611] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.900961] ? direct_entry.cold+0x2c/0x38 # [ 56.905534] ? full_proxy_write+0x53/0x80 # [ 56.910008] ? vfs_write+0xe7/0x3a0 # [ 56.913893] ? ksys_write+0x68/0xf0 # [ 56.917787] ? do_syscall_64+0x30/0x40 # [ 56.921970] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.927807] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.954269] CR2: 00007f60ca16d000 # [ 56.964182] ---[ end trace 4b72338f8187680f ]--- # [ 56.969329] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.973705] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 56.994692] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 57.000519] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.008489] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 57.016459] RBP: ffffffff9e1dd3c0 R08: 00[ 66.500063] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.509764] lkdtm: attempting bad refcount_inc() from saturated [ 66.516407] ------------[ cut here ]------------ 00000000000001 R09: 0000000000000001 # [ 57.024430] R10: 0000[ 66.521577] refcount_t: saturated; leaking memory. [ 66.533162] WARNING: CPU: 3 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 66.542599] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.575238] CPU: 3 PID: 2387 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 66.583939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.590748] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 66.596587] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 [ 66.617608] RSP: 0018:ffffa64542c8fe48 EFLAGS: 00010286 [ 66.623477] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 66.631452] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 [ 66.639429] RBP: ffffffff9e1821b5 R08: 0000000000000000 R09: 0000000000000000 [ 66.647432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.655405] R13: ffffa64542c8ff10 R14: ffffa64542c8ff10 R15: ffff94a34966d000 [ 66.663381] FS: 00007f726cb7d580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 [ 66.672423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.678844] CR2: 00007f726c986000 CR3: 0000000107560004 CR4: 00000000003706e0 [ 66.686818] Call Trace: [ 66.689552] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 57.032398] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff[ 66.695031] direct_entry.cold+0x2c/0x38 [ 66.705617] full_proxy_write+0x53/0x80 [ 66.709963] vfs_write+0xe7/0x3a0 94a348d47000 # [ 57.040370] FS: 00007f60ca13e580(0000) GS:ff[ 66.713676] ksys_write+0x68/0xf0 [ 66.723588] do_syscall_64+0x30/0x40 [ 66.727611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.733254] RIP: 0033:0x7f726ca938f3 [ 66.737268] 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 [ 66.758256] RSP: 002b:00007ffd15f29ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.766737] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f726ca938f3 ff94a3bad80000(0000) knlGS:0000000000000000 # [ 57.049403] CS[ 66.774714] RDX: 0000000000000017 RSI: 00007f726c986000 RDI: 0000000000000001 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.055819[ 66.788905] RBP: 00007f726c986000 R08: 00007f726c985010 R09: 0000000000000000 [ 66.803095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.811070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.819047] irq event stamp: 0 ] CR2: 00007f60ca16d000 CR3: 000000010941c002 CR4: 0000000000370[ 66.822482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.835719] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 6e0 # [ 57.063790] BUG: sleeping function called from invalid[ 66.844868] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.860214] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.867216] ---[ end trace 4b72338f81876820 ]--- [ 66.872374] lkdtm: Saturation detected: still saturated context at include/linux/percpu-rwsem.h:49 # [ 57.073704] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name: cat # [ 57.082161] INFO: lockdep is turned off. # [ 57.086537] irq event stamp: 0 # [ 57.089953] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.096948] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.106085] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.115222] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.122221] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 57.130888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.137693] Call Trace: # [ 57.140422] dump_stack+0x77/0x9b # [ 57.144121] ___might_sleep.cold+0xa6/0xb6 # [ 57.148694] exit_signals+0x1c/0x2e0 # [ 57.152673] do_exit+0xd5/0xb00 # [ 57.156177] ? ksys_write+0x68/0xf0 # [ 57.160071] rewind_stack_do_exit+0x17/0x20 # [ 57.164739] RIP: 0033:0x7f60ca0548f3 # [ 57.168728] 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 # [ 57.189716] RSP: 002b:00007ffc24ade108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.198171] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f60ca0548f3 # [ 57.206142] RDX: 000000000000000f RSI: 00007f60c9f47000 RDI: 0000000000000001 # [ 57.214114] RBP: 00007f60c9f47000 R08: 00007f60c9f46010 R09: 0000000000000000 # [ 57.222085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.230056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.334609] lkdtm: Performing direct entry EXEC_NULL # [ 57.343062] lkdtm: attempting ok execution at ffffffff9d0dedc0 # [ 57.349585] lkdtm: attempting bad execution at 0000000000000000 # [ 57.356203] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.364009] #PF: supervisor instruction fetch in kernel mode # [ 57.370330] #PF: error_code(0x0010) - not-present page # [ 57.382281] PGD 0 P4D 0 # [ 57.385107] Oops: 0010 [#11] SMP PTI # [ 57.395311] CPU: 2 PID: 1845 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 57.403964] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.416986] RIP: 0010:0x0 # [ 57.419908] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.427588] RSP: 0018:ffffa64542457e48 EFLAGS: 00010246 # [ 57.433422] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.441392] RDX: 0000000000000000 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 57.449363] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.457333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.465301] R13: ffffa64542457f10 R14: ffffa64542457f10 R15: ffff94a347978000 # [ 57.473272] FS: 00007f0f74531580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 57.482303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.488718] CR2: ffffffffffffffd6 CR3: 000000010941c003 CR4: 00000000003706e0 # [ 57.496688] Call Trace: # [ 57.499418] execute_location+0x45/0x56 # [ 57.503699] direct_entry.cold+0x2c/0x38 # [ 57.508077] full_proxy_write+0x53/0x80 # [ 57.512360] vfs_write+0xe7/0x3a0 # [ 57.516058] ksys_write+0x68/0xf0 # [ 57.519749] do_syscall_64+0x30/0x40 # [ 57.523738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.529376] RIP: 0033:0x7f0f744478f3 # [ 57.533364] 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 0[ 67.260100] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 67.271887] lkdtm: attempting bad refcount_dec() from saturated 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 67.278512] ------------[ cut here ]------------ [ 67.289895] refcount_t: decrement hit 0; leaking memory. c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.554350] RSP:[ 67.295846] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 67.311475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 002b:00007ffcc21bcc88 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 67.337937] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 67.352796] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.359605] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 67.365442] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 67.386431] RSP: 0018:ffffa64542d1fe48 EFLAGS: 00010286 [ 67.392267] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.400239] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 67.408214] RBP: ffffffff9e1821cc R08: 0000000000000000 R09: 0000000000000000 [ 67.416188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.424162] R13: ffffa64542d1ff10 R14: ffffa64542d1ff10 R15: ffff94a3494eb000 [ 67.432135] FS: 00007f9745136580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 67.441175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.447593] CR2: 00007f9744f3f000 CR3: 0000000107a34004 CR4: 00000000003706e0 [ 67.455565] Call Trace: [ 67.458287] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 67.463758] direct_entry.cold+0x2c/0x38 [ 67.468138] full_proxy_write+0x53/0x80 [ 67.472443] vfs_write+0xe7/0x3a0 01 # [ 57.562806] RAX: ffffffffffffffda RBX: 000000000000000a[ 67.476154] ksys_write+0x68/0xf0 [ 67.486067] do_syscall_64+0x30/0x40 [ 67.490060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.495703] RIP: 0033:0x7f974504c8f3 [ 67.499692] 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 [ 67.520684] RSP: 002b:00007ffd87786a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.529145] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f974504c8f3 RCX: 00007f0f744478f3 # [ 57.570776] RDX: 000000000000000a R[ 67.537121] RDX: 0000000000000017 RSI: 00007f9744f3f000 RDI: 0000000000000001 SI: 00007f0f7433a000 RDI: 0000000000000001 # [ 57.578746] RBP[ 67.551311] RBP: 00007f9744f3f000 R08: 00007f9744f3e010 R09: 0000000000000000 [ 67.565502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.573477] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.581455] irq event stamp: 0 : 00007f0f7433a000 R08: 00007f0f74339010 R09: 0000000000000000 [ 67.584890] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.598125] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.586717] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 67.607280] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.622625] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.629628] ---[ end trace 4b72338f81876821 ]--- [ 67.634783] lkdtm: Saturation detected: still saturated : 0000000000000001 # [ 57.594686] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.602659] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.629119] CR2: 0000000000000000 # [ 57.639031] ---[ end trace 4b72338f81876810 ]--- # [ 57.644185] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.648553] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 57.669539] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 57.675373] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.683341] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 57.691309] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.699277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.707245] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d470[ 67.752840] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00 # [ 57.715213] FS: 00007f0f74531580(0000) GS:ffff94a3bad0[ 67.765564] lkdtm: attempting bad refcount_dec() from saturated 0000(0000) knlGS:0000000000000000 # [ 57.724250] CS: 0010 DS[ 67.778423] ------------[ cut here ]------------ : 0000 ES: 0000 CR0: 0000000080050033 # [ 57.730662] CR2: fff[ 67.789802] refcount_t: saturated; leaking memory. fffffffffffd6 CR3: 000000010941c003 CR4: 00000000003706e0 # EXE[ 67.801383] WARNING: CPU: 0 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 C_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL[ 67.817020] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57[ 67.849657] CPU: 0 PID: 2457 Comm: cat Tainted: G D W 5.10.147-cip18 #1 .839851] lkdtm: Performing direct entry ACCESS_USERSPACE # [ [ 67.864538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 57.850575] lkdtm: attempting bad read at 00007f6e74550000 # [ [ 67.877629] RIP: 0010:refcount_warn_saturate+0x51/0x110 57.856719] BUG: unable to handle page fault for address: 00007f[ 67.889663] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 6e74550000 # [ 57.870604] #PF: supervisor read access in kern[ 67.916961] RSP: 0018:ffffa64542dafe48 EFLAGS: 00010286 el mode # [ 57.876341] #PF: error_code(0x0001) - permissions [ 67.928987] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 violation # [ 57.888777] PGD 8000000109513067 P4D 80000001095[ 67.943212] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 13067 PUD 108670067 PMD 108602067 PTE 115d46067 # [ 57.904718[ 67.957391] RBP: ffffffff9e1821e3 R08: 0000000000000000 R09: 0000000000000000 ] Oops: 0001 [#12] SMP PTI # [ 57.908706] CPU: 3 PID: 1880 Co[ 67.971595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 mm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 57.[ 67.985817] R13: ffffa64542daff10 R14: ffffa64542daff10 R15: ffff94a34772a000 917356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 68.000005] FS: 00007f7e932fe580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 [ 57.924163] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3[ 68.015307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.930384] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc c[ 68.027934] CR2: 00007f7e93107000 CR3: 0000000106a3c006 CR4: 00000000003706f0 c cc 48 89 ee 48 c7 c7 18 30 18 9e e8 09 9a fd ff 48 c7 c7 40 30[ 68.042160] Call Trace: 18 9e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 4[ 68.051129] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 8 89 ee 48 c7 c7 68 30 18 # [ 57.951369] RSP: 0018:ffffa64542[ 68.062827] direct_entry.cold+0x2c/0x38 49fe48 EFLAGS: 00010246 # [ 57.957203] RAX: 00000000c0dec0de [ 68.073435] full_proxy_write+0x53/0x80 RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.965172] RD[ 68.083944] vfs_write+0xe7/0x3a0 X: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffffffff9e183040[ 68.093886] ksys_write+0x68/0xf0 # [ 57.973141] RBP: 00007f6e74550000 R08: 0000000000000000 R0[ 68.103827] do_syscall_64+0x30/0x40 9: 0000000000000000 # [ 57.981111] R10: 00000000ffffe000 R11:[ 68.114021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 3fffffffffffffff R12: 0000000000000011 # [ 57.989081] R13: f[ 68.125867] RIP: 0033:0x7f7e932148f3 fffa6454249ff10 R14: ffffa6454249ff10 R15: ffff94a348ed2000 # [[ 68.136099] 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 57.997049] FS: 00007f6e74521580(0000) GS:ffff94a3bad80000(00[ 68.163317] RSP: 002b:00007ffcd09353b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00) knlGS:0000000000000000 # [ 58.006087] CS: 0010 DS: 0000 [ 68.177996] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7e932148f3 ES: 0000 CR0: 0000000080050033 # [ 58.012495] CR2: 00007f6e74[ 68.192196] RDX: 0000000000000017 RSI: 00007f7e93107000 RDI: 0000000000000001 550000 CR3: 000000010814c006 CR4: 00000000003706e0 # [ 58.020[ 68.206376] RBP: 00007f7e93107000 R08: 00007f7e93106010 R09: 0000000000000000 456] Call Trace: # [ 58.023186] direct_entry.cold+0x2c/0x38[ 68.220569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.027565] full_proxy_write+0x53/0x80 # [ 58.031846] [ 68.234747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 vfs_write+0xe7/0x3a0 # [ 58.035544] ksys_write+0x68/0xf0 #[ 68.248925] irq event stamp: 0 [ 58.039232] do_syscall_64+0x30/0x40 # [ 58.043222] entr[ 68.258527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.048853] RIP: 0033[ 68.271756] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 :0x7f6e744378f3 # [ 58.052840] Code: 8b 15 a1 25 0e 00 f7 d8 [ 68.287142] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 68.302494] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 68.315720] ---[ end trace 4b72338f81876822 ]--- c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.073826] RSP:[ 68.327111] lkdtm: Saturation detected: still saturated 002b:00007ffd48629258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.082272] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6e744378f3 # [ 58.090241] RDX: 0000000000000011 RSI: 00007f6e7432a000 RDI: 0000000000000001 # [ 58.098211] RBP: 00007f6e7432a000 R08: 00007f6e74329010 R09: 0000000000000000 # [ 58.106181] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.114151] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.122124] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.148583] CR2: 00007f6e74550000 # [ 58.158496] ---[ end trace 4b72338f81876811 ]--- # [ 58.163643] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.168020] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 58.189008] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 58.194843] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.202813] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 58.210783] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.218753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.226723] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 58.234693] FS: 00007f6e74521580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 58.243730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.250147] CR2: 00007f6e74550000 CR3: 000000010814c006 CR4: 00000000003706e0 # [ 58.258120] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.268024] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat # [ 58.276481] INFO: lockdep is turned off. # [ 58.280857] irq event stamp: 0 # [ 58.284263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.291254] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.300390] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.309525] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.316524] CPU: 3 PID: 1880 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 58.325174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.331977] Call Trace: # [ 58.334704] dump_stack+0x77/0x9b # [ 58.338403] ___might_sleep.cold+0xa6/0xb6 # [ 58.342977] exit_signals+0x1c/0x2e0 # [ 58.346965] do_exit+0xd5/0xb00 # [ 58.350469] ? ksys_write+0x68/0xf0 # [ 58.354362] rewind_stack_do_exit+0x17/0x20 # [ 58.359028] RIP: 0033:0x7f6e744378f3 # [ 58.363016] 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 # [ 58.383998] RSP: 002b:00007ffd48629258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.392453] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f6e744378f3 # [ 58.400422] RDX: 0000000000000011 RSI: 00007f6e7432a000 RDI: 0000000000000001 # [ 58.408391] RBP: 00007f6e7432a000 R08: 00007f6e74329010 R09: 0000000000000000 # [ 58.416361] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.424329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.544020] lkdtm: Performing direct entry ACCESS_NULL # [ 58.549950] lkdtm: attempting bad read at 0000000000000000 # [ 58.556132[ 68.726326] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 68.738644] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 68.746193] ------------[ cut here ]------------ ] BUG: kernel NULL pointer dereference, address: 000000000000000[ 68.751359] refcount_t: saturated; leaking memory. [ 68.762966] WARNING: CPU: 2 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0 # [ 58.563914] #PF: supervisor read access in kernel mode [ 68.772405] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.805046] CPU: 2 PID: 2489 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 68.813700] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.820508] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 68.826347] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 [ 68.847338] RSP: 0018:ffffa64542e0fe38 EFLAGS: 00010282 [ 68.853175] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.861147] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 68.869120] RBP: ffffffff9e181e10 R08: 0000000000000000 R09: 0000000000000000 [ 68.877093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.885066] R13: ffffa64542e0ff10 R14: ffffa64542e0ff10 R15: ffff94a34272e000 [ 68.893039] FS: 00007ff0b268a580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 68.902082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.908499] CR2: 00007ff0b2493000 CR3: 0000000109414005 CR4: 00000000003706e0 [ 68.916472] Call Trace: [ 68.919203] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 68.925364] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.931688] direct_entry.cold+0x2c/0x38 [ 68.936071] full_proxy_write+0x53/0x80 [ 68.940380] vfs_write+0xe7/0x3a0 [ 68.944105] ksys_write+0x68/0xf0 [ 68.947807] do_syscall_64+0x30/0x40 [ 68.951799] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.957443] RIP: 0033:0x7ff0b25a08f3 [ 68.961437] 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 [ 68.982427] RSP: 002b:00007ffec922ef18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.990895] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff0b25a08f3 # [ 58.575865] #PF: error_code(0x0000) - not-present page # [[ 68.998871] RDX: 0000000000000020 RSI: 00007ff0b2493000 RDI: 0000000000000001 [ 69.013055] RBP: 00007ff0b2493000 R08: 00007ff0b2492010 R09: 0000000000000000 58.581602] PGD 0 P4D 0 # [ 58.584427] Oops: 0000 [#13] SM[ 69.021032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 P PTI # [ 58.594630] CPU: 3 PID: 1915 Comm: cat Tainted: G [ 69.035222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.049435] irq event stamp: 0 D W 5.10.147-cip18 #1 # [ 58.603283] Hardware name[ 69.052853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.066068] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.075206] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.084347] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.091352] ---[ end trace 4b72338f81876823 ]--- : Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.610095] RIP: [ 69.096537] lkdtm: Saturation detected: still saturated 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.621564] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 18 9e e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 18 9e 48 01 # [ 58.642551] RSP: 0018:ffffa64542537e58 EFLAGS: 00010246 # [ 58.648376] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.656348] RDX: 0000000000000000 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 58.664318] RBP: ffffffff9e182109 R08: 0000000000000000 R09: 0000000000000000 # [ 58.672287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.680255] R13: ffffa64542537f10 R14: ffffa64542537f10 R15: ffff94a348154000 # [ 58.688226] FS: 00007f7905a91580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 58.697264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.703680] CR2: 0000000000000000 CR3: 0000000102924002 CR4: 00000000003706e0 # [ 58.711651] Call Trace: # [ 58.714379] direct_entry.cold+0x2c/0x38 # [ 58.718759] full_proxy_write+0x53/0x80 # [ 58.723041] vfs_write+0xe7/0x3a0 # [ 58.726738] ksys_write+0x68/0xf0 # [ 58.730435] do_syscall_64+[ 69.224577] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 0x30/0x40 # [ 58.734417] entry_SYSCALL_64_after_hwframe+0x61[ 69.234436] lkdtm: attempting bad refcount_add_not_zero() from saturated /0xc6 # [ 58.740057] RIP: 0033:0x7f79059a78f3 # [ 58.74403[ 69.248174] ------------[ cut here ]------------ 6] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 69.259532] refcount_t: saturated; leaking memory. b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 69.271099] WARNING: CPU: 0 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 69.286799] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9 54 24 18 # [ 58.765018] RSP: 002b:00007fff32a89b78 EFLAGS: [ 69.319410] CPU: 0 PID: 2521 Comm: cat Tainted: G D W 5.10.147-cip18 #1 00000246 ORIG_RAX: 0000000000000001 # [ 58.773474] RAX: fffff[ 69.334336] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffffffda RBX: 000000000000000c RCX: 00007f79059a78f3 # [ 5[ 69.347376] RIP: 0010:refcount_warn_saturate+0x97/0x110 8.781444] RDX: 000000000000000c RSI: 00007f790589a000 RDI: 00000[ 69.359402] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 00000000001 # [ 58.789414] RBP: 00007f790589a000 R08: 00007f7[ 69.386623] RSP: 0018:ffffa64542e9fe38 EFLAGS: 00010282 905899010 R09: 0000000000000000 # [ 58.797382] R10: fffffffff[ 69.398674] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.80[ 69.412937] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 5352] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 69.427082] RBP: ffffffff9e181e30 R08: 0000000000000000 R09: 0000000000000000 0020000 # [ 58.813326] Modules linked in: fuse ip_tables cros[ 69.441367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 69.455518] R13: ffffa64542e9ff10 R14: ffffa64542e9ff10 R15: ffff94a348751000 fifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sy[ 69.469735] FS: 00007f56a1df9580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 sfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros[ 69.484997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _ec_dev cros_usbpd_notify # [ 58.839779] CR2: 000000000000000[ 69.497650] CR2: 00007f56a1c02000 CR3: 00000001077ae004 CR4: 00000000003706f0 0 # [ 58.849690] ---[ end trace 4b72338f81876812 ]--- # [ [ 69.511817] Call Trace: 58.854844] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.859222] Code: [ 69.520840] __refcount_add_not_zero.constprop.0+0x2a/0x35 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff f[ 69.533213] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 f ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0[ 69.545744] direct_entry.cold+0x2c/0x38 f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 0[ 69.556387] full_proxy_write+0x53/0x80 2 # [ 58.880196] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286[ 69.566897] vfs_write+0xe7/0x3a0 # [ 58.886028] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RC[ 69.576824] ksys_write+0x68/0xf0 X: 0000000000000000 # [ 58.893995] RDX: 0000000000000000 RSI:[ 69.586776] do_syscall_64+0x30/0x40 ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 58.901964] RBP: f[ 69.597007] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [[ 69.608848] RIP: 0033:0x7f56a1d0f8f3 58.909941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 69.619063] 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 000000000000004 # [ 58.917903] R13: ffffa645414a7f10 R14: fff[ 69.646264] RSP: 002b:00007ffefe618068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fa645414a7f10 R15: ffff94a348d47000 # [ 58.925894] FS: 00007[ 69.660924] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f56a1d0f8f3 f7905a91580(0000) GS:ffff94a3bad80000(0000) knlGS:00000000000000[ 69.675104] RDX: 0000000000000020 RSI: 00007f56a1c02000 RDI: 0000000000000001 00 # [ 58.934943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 69.689300] RBP: 00007f56a1c02000 R08: 00007f56a1c01010 R09: 0000000000000000 050033 # [ 58.941359] CR2: 0000000000000000 CR3: 000000010292[ 69.703508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4002 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok[ 69.717660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WR[ 69.731889] irq event stamp: 0 ITE_RO.sh # Killed # [ 59.078105] lkdtm: Performing direct e[ 69.741489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ntry WRITE_RO # [ 59.085341] lkdtm: attempting bad rodata wri[ 69.754728] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 te at ffffffff9dd9b310 # [ 59.092264] BUG: unable to handle p[ 69.770085] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 age fault for address: ffffffff9dd9b310 # [ 59.099951] #PF: s[ 69.785425] softirqs last disabled at (0): [<0000000000000000>] 0x0 upervisor write access in kernel mode # [ 59.105786] #PF: err[ 69.798680] ---[ end trace 4b72338f81876824 ]--- or_code(0x0003) - permissions violation # [ 59.112007] PGD 10[ 69.810076] lkdtm: Saturation detected: still saturated 4a29067 P4D 104a29067 PUD 104a2a063 PMD 80000001042000e1 # [ 59.119785] Oops: 0003 [#14] SMP PTI # [ 59.123771] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 59.132419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.139227] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.144185] Code: 00 48 c7 c7 f8 2e 18 9e 48 c7 c6 10 b3 d9 9d e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 9e 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d # [ 59.165170] RSP: 0018:ffffa645425cfe60 EFLAGS: 00010202 # [ 59.171002] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.178972] RDX: 00000000abcd1234 RSI: ffff94a3bad9bf70 RDI: ffffffff9e182f28 # [ 59.186942] RBP: ffffffff9e182115 R08: 0000000000000000 R09: 0000000000000000 # [ 59.194910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.202889] R13: ffffa645425cff10 R14: ffffa645425cff10 R15: ffff94a347a44000 # [ 59.210859] FS: 00007fd5c3cb3580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 59.219896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.226312] CR2: ffffffff9dd9b310 CR3: 000000010276c002 CR4: 00000000003706e0 # [ 59.234281] Call Trace: # [ 59.237010] direct_entry.cold+0x2c/0x38 # [ 59.241387] full_proxy_write+0x53/0x80 # [ 59.245669] vfs_write+0xe7/0x3a0 # [ 59.249366] ksys_write+0x68/0xf0 # [ 59.253065] do_syscall_64+0x30/0x40 # [ 59.257053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.262693] RIP: 0033:0x7fd5c3bc98f3 # [ 59.266673] 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 # [ 59.287654] RSP: 002b:00007ffe724284e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.296110] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd5c3bc98f3 # [ 59.304078] RDX: 0000000000000009 RSI: 00007fd5c3abc000 RDI: 0000000000000001 # [ 59.312048] RBP: 00007fd5c3abc000 R08: 00007fd5c3abb010 R09: 0000000000000000 # [ 59.320017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.327983] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.335958] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.362414] CR2: ffffffff9dd9b310 # [ 59.372325] ---[ end trace 4[ 70.086502] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 70.094736] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 70.102236] ------------[ cut here ]------------ b72338f81876813 ]--- # [ 59.377481] RIP: 0010:lkdtm_BUG+0x5/0[ 70.107404] refcount_t: underflow; use-after-free. x10 # [ 59.381858] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff [ 70.118981] WARNING: CPU: 2 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 70.134622] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f[ 70.161084] CPU: 2 PID: 2556 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 70.175954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 70.182794] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.194837] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.215822] RSP: 0018:ffffa64542f0fe40 EFLAGS: 00010286 [ 70.221660] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 70.229631] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 [ 70.237604] RBP: ffffffff9e181e50 R08: 0000000000000000 R09: 0000000000000000 [ 70.245578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.253552] R13: ffffa64542f0ff10 R14: ffffa64542f0ff10 R15: ffff94a348ff7000 [ 70.261524] FS: 00007fd1eea1d580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 [ 70.270565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.276985] CR2: 00007fd1ee826000 CR3: 00000001011e4001 CR4: 00000000003706e0 [ 70.284959] Call Trace: [ 70.287692] __refcount_sub_and_test.constprop.0+0x3c/0x50 1f 44 00 00 83 05 20 db 92 02 # [ 59.402843] RSP: 0018:ffffa6[ 70.293851] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 70.306382] direct_entry.cold+0x2c/0x38 [ 70.310787] full_proxy_write+0x53/0x80 [ 70.315101] vfs_write+0xe7/0x3a0 [ 70.318826] ksys_write+0x68/0xf0 [ 70.322558] do_syscall_64+0x30/0x40 [ 70.326583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.332257] RIP: 0033:0x7fd1ee9338f3 [ 70.336250] 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 [ 70.357236] RSP: 002b:00007ffd2a0cf008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.365697] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd1ee9338f3 [ 70.373671] RDX: 0000000000000020 RSI: 00007fd1ee826000 RDI: 0000000000000001 [ 70.381645] RBP: 00007fd1ee826000 R08: 00007fd1ee825010 R09: 0000000000000000 [ 70.389618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 45414a7e60 EFLAGS: 00010286 # [ 59.408677] RAX: ffffffff9d0de[ 70.397594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.416646[ 70.411789] irq event stamp: 0 [ 70.421414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.428448] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.437588] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.446727] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.453733] ---[ end trace 4b72338f81876825 ]--- [ 70.458894] lkdtm: Saturation detected: still saturated ] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 59.424613] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 59.432582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.440549] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 59.448517] FS: 00007fd5c3cb3580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 59.457554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.463970] CR2: ffffffff9dd9b310 CR3: 000000010276c002 CR4: 00000000003706e0 # [ 59.471948] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.481861] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950, name: cat # [ 59.490317] INFO: lockdep is turned off. # [ 59.494693] irq event stamp: 0 # [ 59.498098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.505099] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.514234] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.523369] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.530367] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ [ 70.583894] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 59.539014] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 70.596733] lkdtm: attempting bad refcount_sub_and_test() from saturated 20 # [ 59.545817] Call Trace: # [ 59.548545] dump_stack+0[ 70.610451] ------------[ cut here ]------------ x77/0x9b # [ 59.552243] ___might_sleep.cold+0xa6/0xb6 # [ [ 70.621809] refcount_t: underflow; use-after-free. 59.556815] exit_signals+0x1c/0x2e0 # [ 59.560803] do_exit+[ 70.633410] WARNING: CPU: 0 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0xd5/0xb00 # [ 59.564305] ? ksys_write+0x68/0xf0 # [ 59.5[ 70.649061] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 68197] rewind_stack_do_exit+0x17/0x20 # [ 59.572865] RIP: 00[ 70.681703] CPU: 0 PID: 2591 Comm: cat Tainted: G D W 5.10.147-cip18 #1 33:0x7fd5c3bc98f3 # [ 59.576851] Code: 8b 15 a1 25 0e 00 f7 d[ 70.696597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 70.709642] RIP: 0010:refcount_warn_saturate+0xba/0x110 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 70.721733] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.597836] RS[ 70.748915] RSP: 0018:ffffa64542f87e40 EFLAGS: 00010286 P: 002b:00007ffe724284e8 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 70.761034] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 0001 # [ 59.606285] RAX: ffffffffffffffda RBX: 00000000000000[ 70.775213] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 09 RCX: 00007fd5c3bc98f3 # [ 59.614253] RDX: 0000000000000009[ 70.789471] RBP: ffffffff9e181e70 R08: 0000000000000000 R09: 0000000000000000 RSI: 00007fd5c3abc000 RDI: 0000000000000001 # [ 59.622221] R[ 70.803592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 BP: 00007fd5c3abc000 R08: 00007fd5c3abb010 R09: 0000000000000000[ 70.817826] R13: ffffa64542f87f10 R14: ffffa64542f87f10 R15: ffff94a342755000 # [ 59.630191] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 70.832022] FS: 00007f2319d21580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 12: 0000000000000001 # [ 59.638161] R13: 0000000000000001 R14[ 70.847292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call [ 70.859998] CR2: 00007f2319b2a000 CR3: 0000000109536004 CR4: 00000000003706f0 trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: l[ 70.874199] Call Trace: kdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.761450] lkdtm: [ 70.883173] __refcount_sub_and_test.constprop.0+0x3c/0x50 Performing direct entry WRITE_RO_AFTER_INIT # [ 59.770780] lk[ 70.895579] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 dtm: attempting bad ro_after_init write at ffffffff9e1fe330 # [[ 70.908060] direct_entry.cold+0x2c/0x38 59.784613] BUG: unable to handle page fault for address: ffff[ 70.918680] full_proxy_write+0x53/0x80 ffff9e1fe330 # [ 59.798475] #PF: supervisor write access in k[ 70.929181] vfs_write+0xe7/0x3a0 ernel mode # [ 59.804311] #PF: error_code(0x0003) - permissio[ 70.939102] ksys_write+0x68/0xf0 ns violation # [ 59.810535] PGD 104a29067 P4D 104a29067 PUD 1[ 70.949026] do_syscall_64+0x30/0x40 04a2a063 PMD 80000001046000e1 # [ 59.824534] Oops: 0003 [#15[ 70.959230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ] SMP PTI # [ 59.828526] CPU: 1 PID: 1985 Comm: cat Tainted: [ 70.971072] RIP: 0033:0x7f2319c378f3 G D W 5.10.147-cip18 #1 # [ 59.837179] Hardware [ 70.981278] 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 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.843978] R[ 71.008524] RSP: 002b:00007ffcb9418208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 IP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.850007] C[ 71.023214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2319c378f3 ode: 2f 18 9e e9 e3 9b fd ff 48 c7 c7 80 2f 18 9e e8 d7 9b fd ff[ 71.037408] RDX: 0000000000000020 RSI: 00007f2319b2a000 RDI: 0000000000000001 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f 18 9e 48 31 [ 71.051582] RBP: 00007f2319b2a000 R08: 00007f2319b29010 R09: 0000000000000000 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48[ 71.065809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.079984] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c7 # [ 59.877199] RSP: 0018:ffffa64542647e60 EFLAGS: 0001[ 71.087992] irq event stamp: 0 0202 # [ 59.883023] RAX: 00000000fe67479e RBX: 00000000000000[ 71.097614] hardirqs last enabled at (0): [<0000000000000000>] 0x0 29 RCX: 0000000000000000 # [ 59.890992] RDX: 00000000abcd1234[ 71.110795] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RSI: ffff94a3bac9bf70 RDI: ffffffff9e182f28 # [ 59.898958] R[ 71.126184] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 BP: ffffffff9e18211e R08: 0000000000000000 R09: 0000000000000000[ 71.141501] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.154717] ---[ end trace 4b72338f81876826 ]--- # [ 59.906945] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 71.159904] lkdtm: Saturation detected: still saturated 12: 0000000000000014 # [ 59.914915] R13: ffffa64542647f10 R14: ffffa64542647f10 R15: ffff94a342723000 # [ 59.922893] FS: 00007f25d57af580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 # [ 59.931936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.938361] CR2: ffffffff9e1fe330 CR3: 0000000108d26004 CR4: 00000000003706e0 # [ 59.952545] Call Trace: # [ 59.955272] direct_entry.cold+0x2c/0x38 # [ 59.959651] full_proxy_write+0x53/0x80 # [ 59.963941] vfs_write+0xe7/0x3a0 # [ 59.973847] ksys_write+0x68/0xf0 # [ 59.977544] do_syscall_64+0x30/0x40 # [ 59.981532] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.987171] RIP: 0033:0x7f25d56c58f3 # [ 59.991158] 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 # [ 60.012136] RSP: 002b:00007ffc97e2f818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.020591] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f25d56c58f3 # [ 60.028558] RDX: 0000000000000014 RSI: 00007f25d55b8000 RDI: 0000000000000001 # [ 60.036527] RBP: 00007f25d55b8000 R08: 00007f25d55b7010 R09: 0000000000000000 # [ 60.044494] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.052463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.060426] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.093063] CR2: ffffffff9e1fe330 # [ 60.096758] ---[ end trace 4b72338f81876814 ]--- # [ 60.101914] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.106290] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 60.127269] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 60.133101] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.141067] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 60.149037] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 60.157007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.164976] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 60.172944] FS: 00007f25d57af580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 # [ 60.181980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.188395] CR2: ffffffff9e1fe330 CR3: 0000000108d26004 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 # [ 60.323771] lkdtm: Performing direct entry WRITE_KERN # [ 60.332528] lkdtm: attempting bad 6678339 byte write at ffffffff9d73d503 # [ 60.346242] BUG: unable to handle page fault for address: ffffffff9d73d503 # [ 60.360128] #PF: supervisor write access in kernel mode # [ 60.365962] #PF: error_code(0x0003) - permissions violation # [ 60.372184] PGD 104a29067 P4D 104a29067 PUD 104a2a063 PMD 103c000e1 # [ 60.379286] Oops: 0003 [#16] SMP PTI # [ 60.389489] CPU: 1 PID: 2020 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 60.398141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.404943] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.410098] Code: 53 48 c7 c3 03 d5 73 9d 49 89 dc 48 89 da 49 81 ec c0 ed 0d 9d 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 0d 9d a4 48 c7 c7 28 2f 18 9e e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.437298] RSP: 0018:ffffa645426efe50 EFLAGS: 00010246 # [ 60.443132] RAX: 000000000000003c RBX: ffffffff9d73d503 RCX: 000000000065e743 # [ 60.451101] RDX: 0000000000000000 RSI: ffffffff9d0dedc0 RDI: ffffffff9d73d503 # [ 60.459069] RBP: ffffffff9e1[ 71.569462] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.581352] lkdtm: attempting good copy_to_user of correct size 82132 R08: 0000000000000000 R09: 0000000000000000 # [ 60.4670[ 71.587987] lkdtm: attempting bad copy_to_user of too large size 37] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 # [ 60.475007] R13: ffffa645426eff10 R14: ffffa645426eff10 R15: ffff94a347818000 # [ 60.482977] FS: 00007f6a2553e580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 # [ 60.492015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.498432] CR2: ffffffff9d73d503 CR3: 0000000102958001 CR4: 00000000003706e0 # [ 60.506404] Call Trace: # [ 60.509134] direct_entry.cold+0x2c/0x38 # [ 60.513516] full_proxy_write+0x53/0x80 # [ 60.524009] vfs_write+0xe7/0x3a0 # [ 60.527710] ksys_write+0x68/0xf0 # [ 60.531408] do_syscall_64+0x30/0x40 # [ 60.535399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.541040] RIP: 0033:0x7f6a254548f3 # [ 60.545030] 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 # [ 60.566015] RSP: 002b:00007ffc4e831d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.574463] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a254548f3 # [ 60.582434] RDX: 000000000000000b RSI: 00007f6a25347000 RDI: 0000000000000001 # [ 60.590402] RBP: 00007f6a25347000 R08: 00007f6a25[ 71.724187] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 346010 R09: 0000000000000000 # [ 60.598371] R10: ffffffffffff[ 71.732150] lkdtm: attempting good copy_from_user of correct size fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.60634[ 71.745191] lkdtm: attempting bad copy_from_user of too large size 1] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.614309] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.646953] CR2: ffffffff9d73d503 # [ 60.650651] ---[ end trace 4b72338f81876815 ]--- # [ 60.655799] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.660177] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 60.681155] RSP: 0018:ffffa645414a7e60 EFLAGS: 00010286 # [ 60.686989] RAX: ffffffff9d0de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.694960] RDX: 0000000000000000 RSI: ffff94a3bac1bf70 RDI: ffffffff9dd9ae90 # [ 60.702935] RBP: ffffffff9e1dd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 60.710904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.718889] R13: ffffa645414a7f10 R14: ffffa645414a7f10 R15: ffff94a348d47000 # [ 60.726859] FS: 00007f6a[ 71.875659] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 2553e580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000[ 71.883584] lkdtm: attempting good copy_to_user inside whitelist # [ 60.735898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 71.896514] lkdtm: attempting bad copy_to_user outside whitelist 033 # [ 60.742304] CR2: ffffffff9d73d503 CR3: 0000000102958001 CR4: 00000000003706e0 # [ 60.750272] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.760184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2020, name: cat # [ 60.768640] INFO: lockdep is turned off. # [ 60.773016] irq event stamp: 0 # [ 60.776422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.783414] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.792550] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.801686] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.808686] CPU: 1 PID: 2020 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 60.817326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.824131] Call Trace: # [ 60.826858] dump_stack+0x77/0x9b # [ 60.830557] ___might_sleep.cold+0xa6/0xb6 # [ 60.835131] exit_signals+0x1c/0x2e0 # [ 60.839109] do_exit+0xd5/0xb00 # [ 60.842612] ? ksys_write+0x68/0xf0 # [ 60.846504] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.851949] rewind_stack_do_exit+0x17/0x2[ 72.025270] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 0 # [ 60.856616] RIP: 0033:0x7f6a254548f3 # [ 60.860603] C[ 72.035064] lkdtm: attempting good copy_from_user inside whitelist ode: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7[ 72.048188] lkdtm: attempting bad copy_from_user outside whitelist 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.881580] RSP: 002b:00007ffc4e831d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.890035] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6a254548f3 # [ 60.898005] RDX: 000000000000000b RSI: 00007f6a25347000 RDI: 0000000000000001 # [ 60.905974] RBP: 00007f6a25347000 R08: 00007f6a25346010 R09: 0000000000000000 # [ 60.913942] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.921910] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.044011] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.054699] lkdtm: attempting good refcount_inc() without overflow # [ 61.061607] lkdtm: attempting bad refcount_inc() overflow # [ 61.067640] ------------[ cut here ]------------ # [ 61.072821] refcount_t: saturated; leaking memory. # [ 61.078197] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.087633] Modules linke[ 72.175829] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 72.186440] lkdtm: good_stack: ffffa6454333fe20-ffffa6454333fe40 [ 72.193161] lkdtm: bad_stack : ffffa6454333fda8-ffffa6454333fdc8 d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 72.199889] lkdtm: attempting good copy_to_user of local stack rialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev c[ 72.212651] lkdtm: attempting bad copy_to_user of distant stack ros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.120270] CPU: 3 PID: 2055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 61.128941] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.135753] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.147802] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 61.168787] RSP: 0018:ffffa6454279fe48 EFLAGS: 00010286 # [ 61.174622] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.182595] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 61.190575] RBP: ffffffff9e18213d R08: 0000000000000000 R09: 0000000000000000 # [ 61.204764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.218955] R13: ffffa6454279ff10 R14: ffffa6454279ff10 R15: ffff94a3427c6000 # [ 61.233146] FS: 00007ff597ef4580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 61.248404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.254[ 72.340596] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 824] CR2: 00007ff597cfd000 CR3: 0000000107aac003 CR4: 0000000000[ 72.350717] lkdtm: good_stack: ffffa645433bfe20-ffffa645433bfe40 3706e0 # [ 61.262796] Call Trace: # [ 61.265529] lkdtm_RE[ 72.363660] lkdtm: bad_stack : ffffa645433bfda8-ffffa645433bfdc8 FCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.270912] direct_entry.co[ 72.376593] lkdtm: attempting good copy_from_user of local stack ld+0x2c/0x38 # [ 61.275317] full_proxy_write+0x53/0x80 # [ [ 72.389504] lkdtm: attempting bad copy_from_user of distant stack 61.279600] vfs_write+0xe7/0x3a0 # [ 61.283347] ksys_write+0x68/0xf0 # [ 61.287052] do_syscall_64+0x30/0x40 # [ 61.297247] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.302895] RIP: 0033:0x7ff597e0a8f3 # [ 61.306888] 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 # [ 61.334080] RSP: 002b:00007ffe28d682c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.342539] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff597e0a8f3 # [ 61.350510] RDX: 0000000000000016 RSI: 00007ff597cfd000 RDI: 0000000000000001 # [ 61.358482] RBP: 00007ff597cfd000 R08: 00007ff597cfc010 R09: 0000000000000000 # [ 61.366453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.374424] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.382399] irq event stamp: 0 # [ 61.385836] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.392837] hardirqs last disabled at (0): [] copy_process+0x640/0x1c[ 72.512798] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.521357] lkdtm: good_stack: ffffa6454343fe20-ffffa6454343fe40 [ 72.528102] lkdtm: bad_stack : ffffa6454343fff8-ffffa64543440018 80 # [ 61.401977] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.411113] softirqs la[ 72.554203] lkdtm: copy_to_user failed, but lacked Oops st disabled at (0): [<0000000000000000>] 0x0 # [ 61.418112] ---[ end trace 4b72338f81876816 ]--- # [ 61.423266] 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 # [ 61.525725] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.534504] lkdtm: attempting good refcount_add() without overflow # [ 61.541408] lkdtm: attempting bad refcount_add() overflow # [ 61.547445] ------------[ cut here ]------------ # [ 61.558814] refcount_t: saturated; leaking memory. # [ 61.570395] WARNING: CPU: 2 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.586027] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.612490] CPU: 2 PID: 2087 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 61.627349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.634183] RIP: 0010:refcount_warn_saturate+0x51/0x110[ 72.681716] lkdtm: Performing direct entry USERCOPY_KERNEL [ 72.690670] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9dd9b330 [ 72.699341] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9cae2e40 [ 72.707713] lkdtm: FAIL: survived bad copy_to_user() # [ 61.640020] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 61.661007] RSP: 0018:ffffa645427ffe48 EFLAGS: 00010286 # [ 61.666842] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.674815] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 61.682787] RBP: ffffffff9e182153 R08: 0000000000000000 R09: 0000000000000000 # [ 61.690758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.698729] R13: ffffa645427fff10 R14: ffffa645427fff10 R15: ffff94a34781b000 # [ 61.706703] FS: 00007f2003c3b580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 61.715742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.722159] CR2: 00007f2003a44000 CR3: 00000001074e8001 CR4: 00000000003706e0 # [ 61.730132] Call Trace: # [ 61.732881] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.738242] direct_entry.cold+0x2c/0x38 # [ 61.748831] full_proxy_write+0x53/0x80 # [ 61.753115] vfs_write+0xe7/0x3a0 # [ 61.756817] ksys_write+0x68/0xf0 # [ 61.760518] do_syscall_64+0x30/0x40 # [ 61.764532] entry_SYSCA[ 72.831830] lkdtm: Performing direct entry STACKLEAK_ERASING [ 72.844060] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 72.851952] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) LL_64_after_hwframe+0x61/0xc6 # [ 61.770174] RIP: 0033:0x7f20[ 72.859730] lkdtm: FAIL: the thread stack is NOT properly erased [ 72.872663] CPU: 3 PID: 2956 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 72.881312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.888120] Call Trace: [ 72.890852] dump_stack+0x77/0x9b [ 72.894583] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.899738] direct_entry.cold+0x2c/0x38 [ 72.904117] full_proxy_write+0x53/0x80 [ 72.908399] vfs_write+0xe7/0x3a0 [ 72.912095] ksys_write+0x68/0xf0 [ 72.915794] do_syscall_64+0x30/0x40 [ 72.919782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.925414] RIP: 0033:0x7f7d8c90f8f3 [ 72.929392] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.950378] RSP: 002b:00007ffe256587b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.958825] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7d8c90f8f3 [ 72.966794] RDX: 0000000000000012 RSI: 00007f7d8c802000 RDI: 0000000000000001 [ 72.974764] RBP: 00007f7d8c802000 R08: 00007f7d8c801010 R09: 0000000000000000 [ 72.982733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.990701] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 03b518f3 # [ 61.774165] 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 # [ 61.795153] RSP: 002b:00007ffcc6ceb998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.803613] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2003b518f3 # [ 61.811588] RDX: 0000000000000016 RSI: 00007f2003a44000 RDI: 0000000000000001 # [ 61.819562] RBP: 00007f2003a44000 R08: 00007f2003a43010 R09: 0000000000000000 # [ 61.827536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.835510] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.849702] irq event stamp: 0 # [ 61.859324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.866328] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.875468] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.884608] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.891612] ---[ end trace 4b72338f81876817 ]--- # [ 61.896768] lkdtm: Overflow detected: satu[ 73.115358] lkdtm: Performing direct entry CFI_FORWARD_PROTO rated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 sel[ 73.123318] lkdtm: Calling matched prototype ... ftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REF[ 73.134716] lkdtm: Calling mismatched prototype ... COUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 62.004194] lkdtm: Performi[ 73.146380] lkdtm: Fail: survived mismatched prototype function call! ng direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.015100] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.022039] ------------[ cut here ]------------ # [ 62.027197] refcount_t: saturated; leaking memory. # [ 62.032577] WARNING: CPU: 2 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.042012] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.074654] CPU: 2 PID: 2119 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 62.083309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.090119] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.095956] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 62.116946] RSP: 0018:ffffa6454284fe38 EFLAGS: 00010282 # [ 62.122787] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.136981] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 62.151167] RBP: ffffffff9e181d90 R08: 0000000000000000 R09: 0000000000000000 # [ 62.159141] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.167116] R13: ffffa6454284ff10 R14: ffffa6454284ff10 R15: ffff94a347a9c000 # [ 62.175104] FS: 00007f123cc11580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 62.184182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.190636] CR2: 00007f123ca1a000 CR3: 00000001087ae003 CR4: 00000000003706e0 # [ 62.198632] Call Trace: # [ 62.201364] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.207519] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.219955] direct_entry.cold+0x2c/0x38 # [ 62.224336] full_proxy_write+0x53/0x80 # [ 62.228644] vfs_write+0xe7/0x3a0 # [ 62.232345] ksys_write+0x68/0xf0 # [ 62.236047] do_syscall_64+0x30/0x40 # [ 62.240063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.245707] RIP: 0033:0x7f123cb278f3 # [ 62.249700] 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 # [ 62.270686] RSP: 002b:00007ffcb795eda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.279145] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f123cb278f3 # [ 62.287116] RDX: 000000000000001f RSI: 00007f123ca1a000 RDI: 0000000000000001 # [ 62.295089] RBP: 00007f123ca1a000 R08: 00007f123ca19010 R09: 0000000000000000 # [ 62.303062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.311034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.319010] irq event stamp: 0 # [ 62.322448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.329452] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.338592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.347731] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.354732] ---[ end trace 4b72338f81876818 ]--- # [ 62.359893] 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 # [ 62.474903] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.484453] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.497599] ------------[ cut here ]------------ # [ 62.508973] refcount_t: saturated; leaking memory. # [ 62.520544] WARNING: CPU: 0 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.536241] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.568915] CPU: 0 PID: 2151 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 62.583739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.596748] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.608793] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 62.636021] RSP: 0018:ffffa645428c7e38 EFLAGS: 00010282 # [ 62.648051] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.662268] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 62.676446] RBP: ffffffff9e181db0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.690663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.704830] R13: ffffa645428c7f10 R14: ffffa645428c7f10 R15: ffff94a3427c4000 # [ 62.719038] FS: 00007f418db4d580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 62.734274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.746945] CR2: 00007f418d956000 CR3: 0000000107aba001 CR4: 00000000003706f0 # [ 62.761107] Call Trace: # [ 62.770102] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.782406] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.794894] direct_entry.cold+0x2c/0x38 # [ 62.805457] full_proxy_write+0x53/0x80 # [ 62.816021] vfs_write+0xe7/0x3a0 # [ 62.825885] ksys_write+0x68/0xf0 # [ 62.835811] do_syscall_64+0x30/0x40 # [ 62.846023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.857883] RIP: 0033:0x7f418da638f3 # [ 62.868065] 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 # [ 62.895314] RSP: 002b:00007fff74f99918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.909983] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f418da638f3 # [ 62.924197] RDX: 000000000000001f RSI: 00007f418d956000 RDI: 0000000000000001 # [ 62.938359] RBP: 00007f418d956000 R08: 00007f418d955010 R09: 0000000000000000 # [ 62.952559] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.966742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.980978] irq event stamp: 0 # [ 62.990556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.003767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.019113] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.034464] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.047666] ---[ end trace 4b72338f81876819 ]--- # [ 63.052830] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.168696] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.176216] lkdtm: attempting good refcount_dec() # [ 63.181482] lkdtm: attempting bad refcount_dec() to zero # [ 63.187426] ------------[ cut here ]------------ # [ 63.192594] refcount_t: decrement hit 0; leaking memory. # [ 63.198564] WARNING: CPU: 3 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.208000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.240636] CPU: 3 PID: 2183 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 63.249308] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.256117] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.261953] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.282950] RSP: 0018:ffffa64542967e48 EFLAGS: 00010286 # [ 63.288818] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.296792] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 63.304766] RBP: ffffffff9e182169 R08: 0000000000000000 R09: 0000000000000000 # [ 63.312740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.320734] R13: ffffa64542967f10 R14: ffffa64542967f10 R15: ffff94a347867000 # [ 63.328711] FS: 00007f34699ea580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 63.343970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.356606] CR2: 00007f34697f3000 CR3: 0000000109536003 CR4: 00000000003706e0 # [ 63.370799] Call Trace: # [ 63.373562] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.378558] direct_entry.cold+0x2c/0x38 # [ 63.382963] full_proxy_write+0x53/0x80 # [ 63.387271] vfs_write+0xe7/0x3a0 # [ 63.390996] ksys_write+0x68/0xf0 # [ 63.394698] do_syscall_64+0x30/0x40 # [ 63.398715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.404360] RIP: 0033:0x7f34699008f3 # [ 63.408353] 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 # [ 63.429343] RSP: 002b:00007ffdfe808a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.437830] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f34699008f3 # [ 63.445804] RDX: 0000000000000012 RSI: 00007f34697f3000 RDI: 0000000000000001 # [ 63.453777] RBP: 00007f34697f3000 R08: 00007f34697f2010 R09: 0000000000000000 # [ 63.461751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.469724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.477702] irq event stamp: 0 # [ 63.481134] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.494349] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.503490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.512629] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.519630] ---[ end trace 4b72338f8187681a ]--- # [ 63.524787] 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 # [ 63.658088] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.666732] lkdtm: attempting bad refcount_dec() below zero # [ 63.679209] ------------[ cut here ]------------ # [ 63.690574] refcount_t: decrement hit 0; leaking memory. # [ 63.702731] WARNING: CPU: 0 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.718376] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.751009] CPU: 0 PID: 2218 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 63.765873] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.778893] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.790967] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.818147] RSP: 0018:ffffa645429d7e48 EFLAGS: 00010286 # [ 63.830221] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.844373] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 63.858602] RBP: ffffffff9e18217b R08: 0000000000000000 R09: 0000000000000000 # [ 63.872747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.886990] R13: ffffa645429d7f10 R14: ffffa645429d7f10 R15: ffff94a34782b000 # [ 63.901161] FS: 00007f9472e9a580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 63.916426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.929019] CR2: 00007f9472ca3000 CR3: 000000010875e003 CR4: 00000000003706f0 # [ 63.943245] Call Trace: # [ 63.952186] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.963765] direct_entry.cold+0x2c/0x38 # [ 63.974463] full_proxy_write+0x53/0x80 # [ 63.984902] vfs_write+0xe7/0x3a0 # [ 63.994834] ksys_write+0x68/0xf0 # [ 64.004742] do_syscall_64+0x30/0x40 # [ 64.014992] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.026819] RIP: 0033:0x7f9472db08f3 # [ 64.037054] 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 # [ 64.064248] RSP: 002b:00007ffec8298568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.078951] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9472db08f3 # [ 64.093132] RDX: 0000000000000016 RSI: 00007f9472ca3000 RDI: 0000000000000001 # [ 64.107358] RBP: 00007f9472ca3000 R08: 00007f9472ca2010 R09: 0000000000000000 # [ 64.121530] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.135722] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.149926] irq event stamp: 0 # [ 64.159558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.172774] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.188146] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.203495] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.216722] ---[ end trace 4b72338f8187681b ]--- # [ 64.228094] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.355062] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.365025] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.378348] ------------[ cut here ]------------ # [ 64.389722] refcount_t: underflow; use-after-free. # [ 64.401322] WARNING: CPU: 1 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.416940] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.449586] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 64.464455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.477478] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.483316] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.510509] RSP: 0018:ffffa64542a67e40 EFLAGS: 00010286 # [ 64.516372] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.530563] RDX: ffff94a3bacac660 RSI: ffff94a3bac9bf70 RDI: ffff94a3bac9bf70 # [ 64.544752] RBP: ffffffff9e181dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 64.558947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.573131] R13: ffffa64542a67f10 R14: ffffa64542a67f10 R15: ffff94a347531000 # [ 64.581105] FS: 00007fd79cf88580(0000) GS:ffff94a3bac80000(0000) knlGS:0000000000000000 # [ 64.596381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.608995] CR2: 00007fd79cd91000 CR3: 0000000108d5c002 CR4: 00000000003706e0 # [ 64.623183] Call Trace: # [ 64.625918] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.638252] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.650691] direct_entry.cold+0x2c/0x38 # [ 64.661288] full_proxy_write+0x53/0x80 # [ 64.671786] vfs_write+0xe7/0x3a0 # [ 64.681702] ksys_write+0x68/0xf0 # [ 64.691619] do_syscall_64+0x30/0x40 # [ 64.701826] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.713683] RIP: 0033:0x7fd79ce9e8f3 # [ 64.717674] 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 # [ 64.744892] RSP: 002b:00007ffd211faec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.759561] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd79ce9e8f3 # [ 64.767532] RDX: 000000000000001f RSI: 00007fd79cd91000 RDI: 0000000000000001 # [ 64.781713] RBP: 00007fd79cd91000 R08: 00007fd79cd90010 R09: 0000000000000000 # [ 64.789687] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.803886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.811875] irq event stamp: 0 # [ 64.821493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.834717] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.850069] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.859209] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.872421] ---[ end trace 4b72338f8187681c ]--- # [ 64.877580] 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 # [ 64.995962] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.008347] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.015452] ------------[ cut here ]------------ # [ 65.020645] refcount_t: underflow; use-after-free. # [ 65.026057] WARNING: CPU: 3 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.035497] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.068134] CPU: 3 PID: 2288 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 65.076816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.083626] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.089465] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.110451] RSP: 0018:ffffa64542af7e40 EFLAGS: 00010286 # [ 65.116291] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.130483] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 65.138481] RBP: ffffffff9e181df0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.146454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.154428] R13: ffffa64542af7f10 R14: ffffa64542af7f10 R15: ffff94a349483000 # [ 65.162401] FS: 00007f6b121ba580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 65.171465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.177895] CR2: 00007f6b11fc3000 CR3: 00000001095fc003 CR4: 00000000003706e0 # [ 65.192074] Call Trace: # [ 65.194807] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.200966] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.207217] direct_entry.cold+0x2c/0x38 # [ 65.211598] full_proxy_write+0x53/0x80 # [ 65.215896] vfs_write+0xe7/0x3a0 # [ 65.225811] ksys_write+0x68/0xf0 # [ 65.229513] do_syscall_64+0x30/0x40 # [ 65.233506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.239149] RIP: 0033:0x7f6b120d08f3 # [ 65.243140] 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 # [ 65.264127] RSP: 002b:00007fff1e17caf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.272587] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6b120d08f3 # [ 65.280560] RDX: 000000000000001f RSI: 00007f6b11fc3000 RDI: 0000000000000001 # [ 65.288533] RBP: 00007f6b11fc3000 R08: 00007f6b11fc2010 R09: 0000000000000000 # [ 65.296504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.304475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.312453] irq event stamp: 0 # [ 65.315893] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.329113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.338252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.347390] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.354392] ---[ end trace 4b72338f8187681d ]--- # [ 65.359547] 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 # [ 65.471002] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.482832] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.489955] lkdtm: Good: zero detected # [ 65.494171] lkdtm: Correctly stayed at zero # [ 65.505063] lkdtm: attempting bad refcount_inc() from zero # [ 65.517406] ------------[ cut here ]------------ # [ 65.522561] refcount_t: addition on 0; use-after-free. # [ 65.534541] WARNING: CPU: 3 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.543974] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.576637] CPU: 3 PID: 2320 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 65.585301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.598318] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.604155] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 9e c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 # [ 65.625147] RSP: 0018:ffffa64542a67e48 EFLAGS: 00010286 # [ 65.630984] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.638958] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 65.646940] RBP: ffffffff9e182191 R08: 0000000000000000 R09: 0000000000000000 # [ 65.654915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.662898] R13: ffffa64542a67f10 R14: ffffa64542a67f10 R15: ffff94a34955d000 # [ 65.670872] FS: 00007f246830c580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 65.686125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.692544] CR2: 00007f2468115000 CR3: 00000001085f4005 CR4: 00000000003706e0 # [ 65.700518] Call Trace: # [ 65.703249] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.708234] direct_entry.cold+0x2c/0x38 # [ 65.712640] full_proxy_write+0x53/0x80 # [ 65.716948] vfs_write+0xe7/0x3a0 # [ 65.720673] ksys_write+0x68/0xf0 # [ 65.724375] do_syscall_64+0x30/0x40 # [ 65.728368] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.734013] RIP: 0033:0x7f24682228f3 # [ 65.738005] 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 # [ 65.758994] RSP: 002b:00007ffda10d3a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.767454] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24682228f3 # [ 65.775426] RDX: 0000000000000012 RSI: 00007f2468115000 RDI: 0000000000000001 # [ 65.783400] RBP: 00007f2468115000 R08: 00007f2468114010 R09: 0000000000000000 # [ 65.797589] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.805561] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.819768] irq event stamp: 0 # [ 65.823185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.836401] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.845538] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.854677] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.861678] ---[ end trace 4b72338f8187681e ]--- # [ 65.866833] 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 # [ 65.980891] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.989730] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.996837] lkdtm: Good: zero detected # [ 66.001056] lkdtm: Correctly stayed at zero # [ 66.005760] lkdtm: attempting bad refcount_add() from zero # [ 66.011900] ------------[ cut here ]------------ # [ 66.017065] refcount_t: addition on 0; use-after-free. # [ 66.029043] WARNING: CPU: 3 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.038479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.071120] CPU: 3 PID: 2352 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 66.079807] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.086621] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.098674] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 9e c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 # [ 66.125896] RSP: 0018:ffffa64542c07e48 EFLAGS: 00010286 # [ 66.137948] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.145960] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 66.153945] RBP: ffffffff9e1821a3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.168129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.176101] R13: ffffa64542c07f10 R14: ffffa64542c07f10 R15: ffff94a34797f000 # [ 66.184075] FS: 00007f1812d35580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 66.193118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.199536] CR2: 00007f1812b3e000 CR3: 000000010753c006 CR4: 00000000003706e0 # [ 66.207510] Call Trace: # [ 66.210241] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.215228] direct_entry.cold+0x2c/0x38 # [ 66.219636] full_proxy_write+0x53/0x80 # [ 66.223935] vfs_write+0xe7/0x3a0 # [ 66.227667] ksys_write+0x68/0xf0 # [ 66.231371] do_syscall_64+0x30/0x40 # [ 66.235365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.241006] RIP: 0033:0x7f1812c4b8f3 # [ 66.244998] 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 # [ 66.265985] RSP: 002b:00007fffffcc1358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.274445] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1812c4b8f3 # [ 66.282418] RDX: 0000000000000012 RSI: 00007f1812b3e000 RDI: 0000000000000001 # [ 66.290393] RBP: 00007f1812b3e000 R08: 00007f1812b3d010 R09: 0000000000000000 # [ 66.298366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.306339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.314316] irq event stamp: 0 # [ 66.317753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.324759] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.333900] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.343038] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.350040] ---[ end trace 4b72338f8187681f ]--- # [ 66.355196] 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 # [ 66.500063] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.509764] lkdtm: attempting bad refcount_inc() from saturated # [ 66.516407] ------------[ cut here ]------------ # [ 66.521577] refcount_t: saturated; leaking memory. # [ 66.533162] WARNING: CPU: 3 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.542599] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.575238] CPU: 3 PID: 2387 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 66.583939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.590748] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.596587] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 66.617608] RSP: 0018:ffffa64542c8fe48 EFLAGS: 00010286 # [ 66.623477] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.631452] RDX: ffff94a3badac660 RSI: ffff94a3bad9bf70 RDI: ffff94a3bad9bf70 # [ 66.639429] RBP: ffffffff9e1821b5 R08: 0000000000000000 R09: 0000000000000000 # [ 66.647432] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.655405] R13: ffffa64542c8ff10 R14: ffffa64542c8ff10 R15: ffff94a34966d000 # [ 66.663381] FS: 00007f726cb7d580(0000) GS:ffff94a3bad80000(0000) knlGS:0000000000000000 # [ 66.672423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.678844] CR2: 00007f726c986000 CR3: 0000000107560004 CR4: 00000000003706e0 # [ 66.686818] Call Trace: # [ 66.689552] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.695031] direct_entry.cold+0x2c/0x38 # [ 66.705617] full_proxy_write+0x53/0x80 # [ 66.709963] vfs_write+0xe7/0x3a0 # [ 66.713676] ksys_write+0x68/0xf0 # [ 66.723588] do_syscall_64+0x30/0x40 # [ 66.727611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.733254] RIP: 0033:0x7f726ca938f3 # [ 66.737268] 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 # [ 66.758256] RSP: 002b:00007ffd15f29ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.766737] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f726ca938f3 # [ 66.774714] RDX: 0000000000000017 RSI: 00007f726c986000 RDI: 0000000000000001 # [ 66.788905] RBP: 00007f726c986000 R08: 00007f726c985010 R09: 0000000000000000 # [ 66.803095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.811070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.819047] irq event stamp: 0 # [ 66.822482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.835719] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.844868] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.860214] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.867216] ---[ end trace 4b72338f81876820 ]--- # [ 66.872374] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.260100] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.271887] lkdtm: attempting bad refcount_dec() from saturated # [ 67.278512] ------------[ cut here ]------------ # [ 67.289895] refcount_t: decrement hit 0; leaking memory. # [ 67.295846] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.311475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.337937] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 67.352796] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.359605] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.365442] Code: 28 dc 11 9e c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db 11 9e c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.386431] RSP: 0018:ffffa64542d1fe48 EFLAGS: 00010286 # [ 67.392267] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.400239] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 67.408214] RBP: ffffffff9e1821cc R08: 0000000000000000 R09: 0000000000000000 # [ 67.416188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.424162] R13: ffffa64542d1ff10 R14: ffffa64542d1ff10 R15: ffff94a3494eb000 # [ 67.432135] FS: 00007f9745136580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 67.441175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.447593] CR2: 00007f9744f3f000 CR3: 0000000107a34004 CR4: 00000000003706e0 # [ 67.455565] Call Trace: # [ 67.458287] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.463758] direct_entry.cold+0x2c/0x38 # [ 67.468138] full_proxy_write+0x53/0x80 # [ 67.472443] vfs_write+0xe7/0x3a0 # [ 67.476154] ksys_write+0x68/0xf0 # [ 67.486067] do_syscall_64+0x30/0x40 # [ 67.490060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.495703] RIP: 0033:0x7f974504c8f3 # [ 67.499692] 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 # [ 67.520684] RSP: 002b:00007ffd87786a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.529145] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f974504c8f3 # [ 67.537121] RDX: 0000000000000017 RSI: 00007f9744f3f000 RDI: 0000000000000001 # [ 67.551311] RBP: 00007f9744f3f000 R08: 00007f9744f3e010 R09: 0000000000000000 # [ 67.565502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.573477] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.581455] irq event stamp: 0 # [ 67.584890] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.598125] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.607280] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.622625] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.629628] ---[ end trace 4b72338f81876821 ]--- # [ 67.634783] 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 # [ 67.752840] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.765564] lkdtm: attempting bad refcount_dec() from saturated # [ 67.778423] ------------[ cut here ]------------ # [ 67.789802] refcount_t: saturated; leaking memory. # [ 67.801383] WARNING: CPU: 0 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.817020] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.849657] CPU: 0 PID: 2457 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 67.864538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.877629] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.889663] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db 11 9e c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db 11 # [ 67.916961] RSP: 0018:ffffa64542dafe48 EFLAGS: 00010286 # [ 67.928987] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.943212] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 67.957391] RBP: ffffffff9e1821e3 R08: 0000000000000000 R09: 0000000000000000 # [ 67.971595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.985817] R13: ffffa64542daff10 R14: ffffa64542daff10 R15: ffff94a34772a000 # [ 68.000005] FS: 00007f7e932fe580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 68.015307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.027934] CR2: 00007f7e93107000 CR3: 0000000106a3c006 CR4: 00000000003706f0 # [ 68.042160] Call Trace: # [ 68.051129] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.062827] direct_entry.cold+0x2c/0x38 # [ 68.073435] full_proxy_write+0x53/0x80 # [ 68.083944] vfs_write+0xe7/0x3a0 # [ 68.093886] ksys_write+0x68/0xf0 # [ 68.103827] do_syscall_64+0x30/0x40 # [ 68.114021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.125867] RIP: 0033:0x7f7e932148f3 # [ 68.136099] 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 # [ 68.163317] RSP: 002b:00007ffcd09353b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.177996] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7e932148f3 # [ 68.192196] RDX: 0000000000000017 RSI: 00007f7e93107000 RDI: 0000000000000001 # [ 68.206376] RBP: 00007f7e93107000 R08: 00007f7e93106010 R09: 0000000000000000 # [ 68.220569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.234747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.248925] irq event stamp: 0 # [ 68.258527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.271756] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.287142] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.302494] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.315720] ---[ end trace 4b72338f81876822 ]--- # [ 68.327111] 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 # [ 68.726326] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.738644] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.746193] ------------[ cut here ]------------ # [ 68.751359] refcount_t: saturated; leaking memory. # [ 68.762966] WARNING: CPU: 2 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.772405] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.805046] CPU: 2 PID: 2489 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 68.813700] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.820508] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.826347] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 68.847338] RSP: 0018:ffffa64542e0fe38 EFLAGS: 00010282 # [ 68.853175] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.861147] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 68.869120] RBP: ffffffff9e181e10 R08: 0000000000000000 R09: 0000000000000000 # [ 68.877093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.885066] R13: ffffa64542e0ff10 R14: ffffa64542e0ff10 R15: ffff94a34272e000 # [ 68.893039] FS: 00007ff0b268a580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 68.902082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.908499] CR2: 00007ff0b2493000 CR3: 0000000109414005 CR4: 00000000003706e0 # [ 68.916472] Call Trace: # [ 68.919203] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.925364] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.931688] direct_entry.cold+0x2c/0x38 # [ 68.936071] full_proxy_write+0x53/0x80 # [ 68.940380] vfs_write+0xe7/0x3a0 # [ 68.944105] ksys_write+0x68/0xf0 # [ 68.947807] do_syscall_64+0x30/0x40 # [ 68.951799] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.957443] RIP: 0033:0x7ff0b25a08f3 # [ 68.961437] 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 # [ 68.982427] RSP: 002b:00007ffec922ef18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.990895] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff0b25a08f3 # [ 68.998871] RDX: 0000000000000020 RSI: 00007ff0b2493000 RDI: 0000000000000001 # [ 69.013055] RBP: 00007ff0b2493000 R08: 00007ff0b2492010 R09: 0000000000000000 # [ 69.021032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.035222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.049435] irq event stamp: 0 # [ 69.052853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.066068] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.075206] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.084347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.091352] ---[ end trace 4b72338f81876823 ]--- # [ 69.096537] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.224577] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.234436] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.248174] ------------[ cut here ]------------ # [ 69.259532] refcount_t: saturated; leaking memory. # [ 69.271099] WARNING: CPU: 0 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.286799] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.319410] CPU: 0 PID: 2521 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 69.334336] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.347376] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.359402] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db 11 9e c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 # [ 69.386623] RSP: 0018:ffffa64542e9fe38 EFLAGS: 00010282 # [ 69.398674] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.412937] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 69.427082] RBP: ffffffff9e181e30 R08: 0000000000000000 R09: 0000000000000000 # [ 69.441367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.455518] R13: ffffa64542e9ff10 R14: ffffa64542e9ff10 R15: ffff94a348751000 # [ 69.469735] FS: 00007f56a1df9580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 69.484997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.497650] CR2: 00007f56a1c02000 CR3: 00000001077ae004 CR4: 00000000003706f0 # [ 69.511817] Call Trace: # [ 69.520840] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.533213] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.545744] direct_entry.cold+0x2c/0x38 # [ 69.556387] full_proxy_write+0x53/0x80 # [ 69.566897] vfs_write+0xe7/0x3a0 # [ 69.576824] ksys_write+0x68/0xf0 # [ 69.586776] do_syscall_64+0x30/0x40 # [ 69.597007] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.608848] RIP: 0033:0x7f56a1d0f8f3 # [ 69.619063] 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 # [ 69.646264] RSP: 002b:00007ffefe618068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.660924] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f56a1d0f8f3 # [ 69.675104] RDX: 0000000000000020 RSI: 00007f56a1c02000 RDI: 0000000000000001 # [ 69.689300] RBP: 00007f56a1c02000 R08: 00007f56a1c01010 R09: 0000000000000000 # [ 69.703508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.717660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.731889] irq event stamp: 0 # [ 69.741489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.754728] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.770085] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.785425] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.798680] ---[ end trace 4b72338f81876824 ]--- # [ 69.810076] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 70.086502] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.094736] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.102236] ------------[ cut here ]------------ # [ 70.107404] refcount_t: underflow; use-after-free. # [ 70.118981] WARNING: CPU: 2 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.134622] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.161084] CPU: 2 PID: 2556 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.175954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.182794] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.194837] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.215822] RSP: 0018:ffffa64542f0fe40 EFLAGS: 00010286 # [ 70.221660] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.229631] RDX: ffff94a3bad2c660 RSI: ffff94a3bad1bf70 RDI: ffff94a3bad1bf70 # [ 70.237604] RBP: ffffffff9e181e50 R08: 0000000000000000 R09: 0000000000000000 # [ 70.245578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.253552] R13: ffffa64542f0ff10 R14: ffffa64542f0ff10 R15: ffff94a348ff7000 # [ 70.261524] FS: 00007fd1eea1d580(0000) GS:ffff94a3bad00000(0000) knlGS:0000000000000000 # [ 70.270565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.276985] CR2: 00007fd1ee826000 CR3: 00000001011e4001 CR4: 00000000003706e0 # [ 70.284959] Call Trace: # [ 70.287692] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.293851] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.306382] direct_entry.cold+0x2c/0x38 # [ 70.310787] full_proxy_write+0x53/0x80 # [ 70.315101] vfs_write+0xe7/0x3a0 # [ 70.318826] ksys_write+0x68/0xf0 # [ 70.322558] do_syscall_64+0x30/0x40 # [ 70.326583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.332257] RIP: 0033:0x7fd1ee9338f3 # [ 70.336250] 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 # [ 70.357236] RSP: 002b:00007ffd2a0cf008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.365697] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd1ee9338f3 # [ 70.373671] RDX: 0000000000000020 RSI: 00007fd1ee826000 RDI: 0000000000000001 # [ 70.381645] RBP: 00007fd1ee826000 R08: 00007fd1ee825010 R09: 0000000000000000 # [ 70.389618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.397594] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.411789] irq event stamp: 0 # [ 70.421414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.428448] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.437588] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.446727] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.453733] ---[ end trace 4b72338f81876825 ]--- # [ 70.458894] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.583894] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.596733] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.610451] ------------[ cut here ]------------ # [ 70.621809] refcount_t: underflow; use-after-free. # [ 70.633410] WARNING: CPU: 0 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.649061] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_sensorhub cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.681703] CPU: 0 PID: 2591 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 70.696597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.709642] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.721733] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db 11 9e c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.748915] RSP: 0018:ffffa64542f87e40 EFLAGS: 00010286 # [ 70.761034] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.775213] RDX: ffff94a3bac2c660 RSI: ffff94a3bac1bf70 RDI: ffff94a3bac1bf70 # [ 70.789471] RBP: ffffffff9e181e70 R08: 0000000000000000 R09: 0000000000000000 # [ 70.803592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.817826] R13: ffffa64542f87f10 R14: ffffa64542f87f10 R15: ffff94a342755000 # [ 70.832022] FS: 00007f2319d21580(0000) GS:ffff94a3bac00000(0000) knlGS:0000000000000000 # [ 70.847292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.859998] CR2: 00007f2319b2a000 CR3: 0000000109536004 CR4: 00000000003706f0 # [ 70.874199] Call Trace: # [ 70.883173] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.895579] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.908060] direct_entry.cold+0x2c/0x38 # [ 70.918680] full_proxy_write+0x53/0x80 # [ 70.929181] vfs_write+0xe7/0x3a0 # [ 70.939102] ksys_write+0x68/0xf0 # [ 70.949026] do_syscall_64+0x30/0x40 # [ 70.959230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.971072] RIP: 0033:0x7f2319c378f3 # [ 70.981278] 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 # [ 71.008524] RSP: 002b:00007ffcb9418208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.023214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2319c378f3 # [ 71.037408] RDX: 0000000000000020 RSI: 00007f2319b2a000 RDI: 0000000000000001 # [ 71.051582] RBP: 00007f2319b2a000 R08: 00007f2319b29010 R09: 0000000000000000 # [ 71.065809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.079984] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.087992] irq event stamp: 0 # [ 71.097614] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.110795] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.126184] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.141501] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.154717] ---[ end trace 4b72338f81876826 ]--- # [ 71.159904] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.569462] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.581352] lkdtm: attempting good copy_to_user of correct size # [ 71.587987] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.724187] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.732150] lkdtm: attempting good copy_from_user of correct size # [ 71.745191] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.875659] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.883584] lkdtm: attempting good copy_to_user inside whitelist # [ 71.896514] 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 # [ 72.025270] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.035064] lkdtm: attempting good copy_from_user inside whitelist # [ 72.048188] 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 # [ 72.175829] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 72.186440] lkdtm: good_stack: ffffa6454333fe20-ffffa6454333fe40 # [ 72.193161] lkdtm: bad_stack : ffffa6454333fda8-ffffa6454333fdc8 # [ 72.199889] lkdtm: attempting good copy_to_user of local stack # [ 72.212651] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.340596] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.350717] lkdtm: good_stack: ffffa645433bfe20-ffffa645433bfe40 # [ 72.363660] lkdtm: bad_stack : ffffa645433bfda8-ffffa645433bfdc8 # [ 72.376593] lkdtm: attempting good copy_from_user of local stack # [ 72.389504] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.512798] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.521357] lkdtm: good_stack: ffffa6454343fe20-ffffa6454343fe40 # [ 72.528102] lkdtm: bad_stack : ffffa6454343fff8-ffffa64543440018 # [ 72.534822] lkdtm: attempting good copy_to_user of local stack # [ 72.547571] lkdtm: attempting bad copy_to_user of distant stack # [ 72.554203] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.681716] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.690670] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9dd9b330 # [ 72.699341] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9cae2e40 # [ 72.707713] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.831830] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.844060] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.851952] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.859730] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.872663] CPU: 3 PID: 2956 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 72.881312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.888120] Call Trace: # [ 72.890852] dump_stack+0x77/0x9b # [ 72.894583] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.899738] direct_entry.cold+0x2c/0x38 # [ 72.904117] full_proxy_write+0x53/0x80 # [ 72.908399] vfs_write+0xe7/0x3a0 # [ 72.912095] ksys_write+0x68/0xf0 # [ 72.915794] do_syscall_64+0x30/0x40 # [ 72.919782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.925414] RIP: 0033:0x7f7d8c90f8f3 # [ 72.929392] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.950378] RSP: 002b:00007ffe256587b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.958825] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7d8c90f8f3 # [ 72.966794] RDX: 0000000000000012 RSI: 00007f7d8c802000 RDI: 0000000000000001 # [ 72.974764] RBP: 00007f7d8c802000 R08: 00007f7d8c801010 R09: 0000000000000000 # [ 72.982733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.990701] 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 # [ 73.115358] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.123318] lkdtm: Calling matched prototype ... # [ 73.134716] lkdtm: Calling mismatched prototype ... # [ 73.146380] 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 / #