[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 23065 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. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked 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 376114 run 171369 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 8969 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8971 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8971 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 8971 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 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90948 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107736 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14156 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14146 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22363 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 53529 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 13859 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 11320 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 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10045 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 10036 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465991 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486089 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 825845 exit 39243 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] memCI: 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 2113626 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139260 exit 19048 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 30846 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6982 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2247 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5964 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5276 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 23475 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 24096 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2389 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 24470 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 2022-08-09 09:45:10 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-09 09:45:10 UTC ELOG: Event(A6) added with size 13 at 2022-08-09 09:45:10 UTC ELOG: Event(92) added with size 9 at 2022-08-09 09:45:10 UTC ELOG: Event(9A) added with size 9 at 2022-08-09 09:45:10 UTC ELOG: Event(AD) added with size 10 at 2022-08-09 09:45:10 UTC ELOG: Event(9F) added with size 14 at 2022-08-09 09:45:10 UTC BS: BS_DEV_INIT times (us): entry 0 run 417272 exit 66288 ELOG: Event(A1) added with size 10 at 2022-08-09 09:45:10 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-09 09:45:10 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 25552 run 3969 exit 5210 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 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 b35 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 533707 exit 146833 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 606 run 261872 exit 135650 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 6999371/tftp-deploy-9okc5_w4/kernel/bzImage 6999371/tftp-deploy-9okc5_w4/kernel/cmdline 6999371/tftp-deploy-9okc5_w4/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6999371/tftp-deploy-9okc5_w4/kernel/bzImaoy-9okc5_w4/kernel/cmdline 6999371/tftp-deploy-9okc5_w4/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.14 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6999371/tftp-deploy-9okc5_w4/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ############################################################### done. The bootfile was 13098976 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: 6999371/tftp-deploy-9okc5_w4/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/6999371/extract-nfsrootfs-mmzpbnbc,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: 18415555 Starting kernel ... [ 0.000000] Linux version 5.10.131-cip13 (KernelCI@build-j4752-x86-64-gcc-10-x86-64-defconfig-x86-chromebook-blfb4) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Aug 9 09:39:42 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/6999371/extract-nfsrootfs-mmzpbnbc,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001382] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007059] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024792] check: Scanning 1 areas for low memory corruption [ 0.024805] Using GB pages for direct mapping [ 0.025654] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.025661] ACPI: Early table checksum verification disabled [ 0.025669] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025682] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025698] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025714] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025727] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025738] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025749] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025761] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025773] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025785] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025796] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025808] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025820] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025832] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025844] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025849] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025854] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025858] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025863] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025868] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025872] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025877] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025882] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025886] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025891] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025896] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.026034] No NUMA configuration found [ 0.026039] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.026049] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.026101] Zone ranges: [ 0.026106] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.026113] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.026121] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.026128] Movable zone start for each node [ 0.026133] Early memory node ranges [ 0.026137] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.026143] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.026148] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.026154] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.026188] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.026233] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.037672] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.037742] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037769] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038293] ACPI: PM-Timer IO Port: 0x1808 [ 0.038348] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038361] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038367] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038382] Using ACPI (MADT) for SMP configuration information [ 0.038388] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038395] TSC deadline timer available [ 0.038400] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038429] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038435] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038441] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038446] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038450] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038454] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038459] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038463] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038468] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038472] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038476] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038481] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038485] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038489] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038494] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038502] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038510] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.052926] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.053233] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.053306] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.053311] Policy zone: Normal [ 0.053325] 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/6999371/extract-nfsrootfs-mmzpbnbc,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.053866] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.054121] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.054207] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.076453] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.076605] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.076661] Kernel/User page tables isolation: enabled [ 0.076744] ftrace: allocating 52718 entries in 206 pages [ 0.116491] ftrace: allocated 206 pages with 5 groups [ 0.116794] Running RCU self tests [ 0.116810] rcu: Hierarchical RCU implementation. [ 0.116815] rcu: RCU event tracing is enabled. [ 0.116820] rcu: RCU lockdep checking is enabled. [ 0.116825] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.116831] Rude variant of Tasks RCU enabled. [ 0.116835] Tracing variant of Tasks RCU enabled. [ 0.116840] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.116846] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.127252] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.127724] random: crng init done [ 0.127831] Console: colour dummy device 80x25 [ 0.203064] printk: console [ttyS0] enabled [ 0.203433] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.204096] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.204457] ... MAX_LOCK_DEPTH: 48 [ 0.204825] ... MAX_LOCKDEP_KEYS: 8192 [ 0.205207] ... CLASSHASH_SIZE: 4096 [ 0.205589] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.205977] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.206366] ... CHAINHASH_SIZE: 32768 [ 0.206756] memory used by lock dependency info: 6365 kB [ 0.207224] memory used for stack traces: 4224 kB [ 0.207642] per task-struct memory footprint: 1920 bytes [ 0.208164] ACPI: Core revision 20200925 [ 0.208761] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.209261] APIC: Switch to symmetric I/O mode setup [ 0.213736] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.214656] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.215563] pid_max: default: 32768 minimum: 301 [ 0.215638] LSM: Security Framework initializing [ 0.215638] SELinux: Initializing. [ 0.215638] LSM support for eBPF active [ 0.215638] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.215638] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.215638] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.215638] process: using mwait in idle threads [ 0.215638] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.215638] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.215638] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.215638] Spectre V2 : Mitigation: Retpolines [ 0.215638] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.215638] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.215638] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.215638] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.215638] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.215638] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.215638] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.215638] SRBDS: Vulnerable: No microcode [ 0.215638] Freeing SMP alternatives memory: 44K [ 0.215638] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.216398] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.216656] ... version: 4 [ 0.217013] ... bit width: 48 [ 0.217375] ... generic registers: 4 [ 0.217645] ... value mask: 0000ffffffffffff [ 0.218110] ... max period: 00007fffffffffff [ 0.218572] ... fixed-purpose events: 3 [ 0.218644] ... event mask: 000000070000000f [ 0.219685] rcu: Hierarchical SRCU implementation. [ 0.222365] smp: Bringing up secondary CPUs ... [ 0.223467] x86: Booting SMP configuration: [ 0.223671] .... node #0, CPUs: #1 [ 0.225093] 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. [ 0.225671] 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. [ 0.227380] #2 #3 [ 0.230033] smp: Brought up 1 node, 4 CPUs [ 0.230663] smpboot: Max logical packages: 1 [ 0.231043] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.234033] devtmpfs: initialized [ 0.235036] x86/mm: Memory block size: 128MB [ 0.239841] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.240660] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.241762] pinctrl core: initialized pinctrl subsystem [ 0.242626] PM: RTC time: 09:45:24, date: 2022-08-09 [ 0.243294] NET: Registered protocol family 16 [ 0.244533] audit: initializing netlink subsys (disabled) [ 0.244702] audit: type=2000 audit(1660038324.030:1): state=initialized audit_enabled=0 res=1 [ 0.245653] thermal_sys: Registered thermal governor 'step_wise' [ 0.245660] thermal_sys: Registered thermal governor 'user_space' [ 0.246276] cpuidle: using governor menu [ 0.247067] ACPI: bus type PCI registered [ 0.248081] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.248652] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.249280] PCI: Using configuration type 1 for base access [ 0.276704] Kprobes globally optimized [ 0.277098] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.277674] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.278462] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.281689] ACPI: Added _OSI(Module Device) [ 0.282054] ACPI: Added _OSI(Processor Device) [ 0.282447] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.282655] ACPI: Added _OSI(Processor Aggregator Device) [ 0.283133] ACPI: Added _OSI(Linux-Dell-Video) [ 0.283529] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.284667] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.299436] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.308712] ACPI: EC: EC started [ 0.309026] ACPI: EC: interrupt blocked [ 0.310231] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.310650] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.311287] ACPI: Interpreter enabled [ 0.311694] ACPI: (supports S0 S3 S4 S5) [ 0.312046] ACPI: Using IOAPIC for interrupt routing [ 0.312571] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.332970] ACPI: Power Resource [PRIC] (on) [ 0.465116] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.465661] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.466811] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.467492] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.468420] PCI host bridge to bus 0000:00 [ 0.468652] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.469242] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.470649] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.471296] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.471647] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.472295] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.472647] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.473293] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.474648] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.475295] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.475646] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.476293] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.476647] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.477293] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.477646] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.478292] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.479648] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.480296] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.480646] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.481294] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.481648] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.482229] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.483900] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.484453] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.485665] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.486300] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.487469] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.487676] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.489234] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.489678] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.491100] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.491672] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.492425] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.494607] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.494690] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.496147] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.496698] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.498301] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.498697] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.500343] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.501699] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.502319] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.503659] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.504232] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.505714] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.506465] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.507634] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.508699] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.510319] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.510697] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.512313] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.512691] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.514423] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.515693] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.517272] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.518620] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.518682] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.520193] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.520696] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.521342] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.522771] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.524235] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.524715] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.525375] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.526563] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.526682] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.528919] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.530433] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.536017] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.539055] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.539511] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.541292] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.542989] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.543943] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.544932] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.545906] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.546875] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.547845] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.548831] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.556603] ACPI: EC: interrupt unblocked [ 0.556646] ACPI: EC: event unblocked [ 0.556992] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.557444] ACPI: EC: GPE=0x6e [ 0.557651] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.558263] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.559709] iommu: Default domain type: Translated [ 0.560730] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.561277] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.561674] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.562177] vgaarb: loaded [ 0.563076] SCSI subsystem initialized [ 0.563823] ACPI: bus type USB registered [ 0.564337] usbcore: registered new interface driver usbfs [ 0.564718] usbcore: registered new interface driver hub [ 0.565233] usbcore: registered new device driver usb [ 0.565799] pps_core: LinuxPPS API ver. 1 registered [ 0.566237] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.567659] PTP clock support registered [ 0.568688] Advanced Linux Sound Architecture Driver Initialized. [ 0.570378] NetLabel: Initializing [ 0.570648] NetLabel: domain hash size = 128 [ 0.571034] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.571614] NetLabel: unlabeled traffic allowed by default [ 0.572793] PCI: Using ACPI for IRQ routing [ 0.580640] clocksource: Switched to clocksource tsc-early [ 1.121147] VFS: Disk quotas dquot_6.6.0 [ 1.121557] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.122662] pnp: PnP ACPI init [ 1.123909] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.124491] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.125089] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.125680] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.126258] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.126850] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.127455] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.128075] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.128665] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.129242] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.130886] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.131868] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.132692] system 00:04: [io 0x0200] has been reserved [ 1.133162] system 00:04: [io 0x0204] has been reserved [ 1.133631] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.134166] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.137408] pnp: PnP ACPI: found 6 devices [ 1.154461] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.155370] NET: Registered protocol family 2 [ 1.155951] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.158485] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.159484] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.160439] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.163344] TCP: Hash tables configured (established 32768 bind 32768) [ 1.164275] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.165274] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.166193] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.167280] NET: Registered protocol family 1 [ 1.168436] RPC: Registered named UNIX socket transport module. [ 1.169005] RPC: Registered udp transport module. [ 1.169422] RPC: Registered tcp transport module. [ 1.169850] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.171038] NET: Registered protocol family 44 [ 1.171454] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.171935] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.172538] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.173087] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.173625] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.174297] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.174909] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.175505] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.176111] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.176726] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.177329] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.177942] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.178545] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.179197] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.179816] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.180419] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.181031] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.181634] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.182248] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.182864] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.183482] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.184095] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.184712] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.185823] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.188844] PCI: CLS 64 bytes, default 64 [ 1.189603] Unpacking initramfs... [ 1.535303] Freeing initrd memory: 8312K [ 1.535841] DMAR: Host address width 39 [ 1.536216] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.536765] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.537492] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.538051] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.538537] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.539340] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.539916] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.540862] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.541545] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.542066] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.542561] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.543043] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.543537] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.546011] kvm: already loaded the other module [ 1.549747] check: Scanning for low memory corruption every 60 seconds [ 1.553983] Initialise system trusted keyrings [ 1.554674] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.577814] NFS: Registering the id_resolver key type [ 1.578299] Key type id_resolver registered [ 1.578718] Key type id_legacy registered [ 1.601413] Key type asymmetric registered [ 1.601830] Asymmetric key parser 'x509' registered [ 1.602313] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.602985] io scheduler mq-deadline registered [ 1.603387] io scheduler kyber registered [ 1.604017] test_firmware: interface ready [ 1.606150] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.608126] ACPI: AC Adapter [AC] (on-line) [ 1.608952] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.610697] ACPI: Lid Switch [LID0] [ 1.611313] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.612254] ACPI: Power Button [PWRF] [ 1.613077] ACPI: \_PR_.CP00: Found 3 idle states [ 1.614303] ACPI: \_PR_.CP01: Found 3 idle states [ 1.615367] ACPI: \_PR_.CP02: Found 3 idle states [ 1.616482] ACPI: \_PR_.CP03: Found 3 idle states [ 1.618145] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.622593] hpet_acpi_add: no address or irqs in _CRS [ 1.623283] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.623505] Non-volatile memory driver v1.3 [ 1.624512] Linux agpgart interface v0.103 [ 1.627931] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.682882] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.684171] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.685080] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.686282] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.711315] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.715246] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.733924] loop: module loaded [ 1.735078] lkdtm: No crash points registered, enable through debugfs [ 1.760536] printk: console [ttyS0] disabled [ 1.761258] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.554389] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.554422] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.554616] clocksource: Switched to clocksource tsc [ 4.970973] printk: console [ttyS0] enabled [ 4.970986] fbcon: i915drmfb (fb0) is primary device [ 4.985155] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.987679] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.997190] e100: Intel(R) PRO/100 Network Driver [ 4.997195] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.997289] e1000: Intel(R) PRO/1000 Network Driver [ 4.997293] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.997416] e1000e: Intel(R) PRO/1000 Network Driver [ 4.997420] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.997553] sky2: driver version 1.30 [ 4.998073] usbcore: registered new interface driver r8152 [ 4.998736] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.998862] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.998891] ehci-pci: EHCI PCI platform driver [ 4.998993] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.999017] ohci-pci: OHCI PCI platform driver [ 4.999108] uhci_hcd: USB Universal Host Controller Interface driver [ 5.000735] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.001946] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.003309] Console: switching to colour frame buffer device 240x67 [ 5.003363] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.003436] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.005586] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.005603] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.005608] usb usb1: Product: xHCI Host Controller [ 5.005611] usb usb1: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 5.005615] usb usb1: SerialNumber: 0000:00:14.0 [ 5.007500] hub 1-0:1.0: USB hub found [ 5.007762] hub 1-0:1.0: 12 ports detected [ 5.012000] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.012553] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.012573] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.013038] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.013048] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.013051] usb usb2: Product: xHCI Host Controller [ 5.013055] usb usb2: Manufacturer: Linux 5.10.131-cip13 xhci-hcd [ 5.013058] usb usb2: SerialNumber: 0000:00:14.0 [ 5.014449] hub 2-0:1.0: USB hub found [ 5.014567] hub 2-0:1.0: 6 ports detected [ 5.016997] usbcore: registered new interface driver usblp [ 5.017075] usbcore: registered new interface driver usb-storage [ 5.017596] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.017777] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.017782] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.018531] i8042: Warning: Keylock active [ 5.018798] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.021399] rtc_cmos 00:02: RTC can wake from S4 [ 5.025567] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.026107] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.033868] rtc_cmos 00:02: registered as rtc0 [ 5.034513] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.249824] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.255337] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.384139] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.390709] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.392866] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.398355] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.406505] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.422754] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.432283] intel_pstate: Intel P-state driver initializing [ 5.439547] intel_pstate: HWP enabled [ 5.443689] sdhci: Secure Digital Host Controller Interface driver [ 5.450605] sdhci: Copyright(c) Pierre Ossman [ 5.455531] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.465064] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.472930] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.483112] hid: raw HID events driver (C) Jiri Kosina [ 5.489663] usbcore: registered new interface driver usbhid [ 5.495921] usbhid: USB HID core driver [ 5.501974] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.505764] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.521542] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.530962] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.535463] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.541916] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.549741] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.550080] gre: GRE over IPv4 demultiplexor driver [ 5.550081] ip_gre: GRE over IPv4 tunneling driver [ 5.550138] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.550140] usb 2-3: Product: USB 10/100/1000 LAN [ 5.550142] usb 2-3: Manufacturer: Realtek [ 5.550143] usb 2-3: SerialNumber: 001000001 [ 5.551012] IPv4 over IPsec tunneling driver [ 5.574622] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.577175] Initializing XFRM netlink socket [ 5.611852] 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 [ 5.616864] NET: Registered protocol family 10 [ 5.634971] Segment Routing with IPv6 [ 5.639550] ip6_gre: GRE over IPv6 tunneling driver [ 5.645224] NET: Registered protocol family 17 [ 5.650214] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.655109] Key type dns_resolver registered [ 5.663047] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.669265] microcode: Microcode Update Driver: v2.2. [ 5.669271] IPI shorthand broadcast: enabled [ 5.679728] sched_clock: Marking stable (5592753753, 86953131)->(5706981701, -27274817) [ 5.688899] registered taskstats version 1 [ 5.693490] Loading compiled-in X.509 certificates [ 5.696967] mmc0: new HS400 MMC card at address 0001 [ 5.701179] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.705099] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.714211] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.717845] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.727041] PM: Magic number: 2:876:777 [ 5.732637] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.737098] misc rfkill: hash matches [ 5.747936] printk: console [netcon0] enabled [ 5.747961] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.752819] netconsole: network logging started [ 5.787307] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.805634] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.817778] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.826956] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.834952] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.840325] usb 1-9: Manufacturer: Azurewave [ 5.845101] usb 1-9: SerialNumber: 0x0001 [ 5.854216] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.905846] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.930304] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.940014] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.979439] r8152 2-3:1.0 eth0: v1.11.11 [ 5.984775] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.985449] IP-Config: Failed to open gretap0 [ 5.997949] IP-Config: Failed to open erspan0 [ 6.018886] Sending DHCP requests . [ 7.599722] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.610970] r8152 2-3:1.0 eth0: carrier on [ 8.070799] ., OK [ 8.081070] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.14 [ 8.090057] IP-Config: Complete: [ 8.093691] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.14, mask=255.255.255.0, gw=192.168.201.1 [ 8.105381] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lab-rack-1, nis-domain=(none) [ 8.114734] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.114737] nameserver0=192.168.201.1 [ 8.127558] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.138797] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.141591] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.153613] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.154763] ALSA device list: [ 8.163294] cfg80211: failed to load regulatory.db [ 8.166603] No soundcards found. [ 8.176109] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.185718] Freeing unused kernel image (initmem) memory: 1688K [ 8.199906] Write protecting the kernel read-only data: 26624k [ 8.207428] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.215170] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.222512] Run /init as init process [ 8.228093] mkdir (105) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7 [ 8.245843] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 8.288427] udevadm (124) used greatest stack depth: 13576 bytes left [ 8.406880] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.420146] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.446726] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.491186] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.501495] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.511571] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.525593] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.536774] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.546478] 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: 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 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.14 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lab-rack-1 rootserver: 192.168.201.1 rootpath: filename : [ 8.698195] nfsmount (162) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.927187] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.963944] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.994848] systemd[1]: Set hostname to . [ 10.565395] systemd[1]: Queued start job for default target Graphical Interface. [ 10.577438] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.593514] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.609584] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.626465] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.643364] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.665274] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.687143] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.710085] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.725964] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.736941] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.753030] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.763937] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.775339] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.793703] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.810050] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.826590] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.842066] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.861755] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.877386] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.895428] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.910070] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.928013] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.944217] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.965204] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.985832] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.001551] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.015428] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.053038] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.063524] fuse: init (API version 7.32) [ 11.069418] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.085976] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.100121] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.119742] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.139170] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.154267] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.170067] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.184997] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.200906] 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. [ 11.222535] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.229498] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.245422] systemd[1]: modprobe@drm.service: Succeeded. [ 11.251901] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 11.267597] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.274293] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 11.289979] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 11.384301] systemd-journald[198]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File S[ 11.405970] systemd-random- (206) used greatest stack depth: 12632 bytes left ystem[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. [ 12.920139] systemd-tmpfile (211) 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] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[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 5.10.131-cip13 #1 SMP Tue Aug 9 09:39:42 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/6999371/extract-nfsrootfs-mmzpbnbc' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6999371/extract-nfsrootfs-mmzpbnbc' / # 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-6999371/environment . /lava-6999371/environment / # /lava-6999371/bin/lava-test-runner /lava-6999371/0 /lava-6999371/bin/lava-test-runner /lava-6999371/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6999371/0/tests/0_timesync-off ++ cat uuid + UUID=6999371_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-6999371/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6999371_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-38-ga8671b4cc3c74/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6999371/0/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. --2022-08-09 09:45:59-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.131-cip13-38-ga8671b4cc3c74/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: 3571168 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 219.84K 377KB/s kselftest.tar.xz 23%[===> ] 818.47K 887KB/s kselftest.tar.xz 57%[==========> ] 1.94M 1.66MB/s kselftest.tar.xz 87%[================> ] 2.98M 2.18MB/s kselftest.tar.xz 100%[===================>] 3.41M 2.27MB/s in 1.5s 2022-08-09 09:46:01 (2.27 MB/s) - 'kselftest.tar.xz' saved [3571168/3571168] tar: ./timens/timens: time stamp 2022-08-09 09:47:02 is 60.358612742 s in the future tar: ./timens/gettime_perf: time stamp 2022-08-09 09:47:02 is 60.353346594 s in the future tar: ./timens/timer: time stamp 2022-08-09 09:47:02 is 60.348806185 s in the future tar: ./timens/procfs: time stamp 2022-08-09 09:47:02 is 60.344448969 s in the future tar: ./timens/timerfd: time stamp 2022-08-09 09:47:02 is 60.339625621 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-08-09 09:47:02 is 60.33508513 s in the future tar: ./timens/exec: time stamp 2022-08-09 09:47:02 is 60.330281669 s in the future tar: ./timens/futex: time stamp 2022-08-09 09:47:02 is 60.325297153 s in the future tar: ./timens: time stamp 2022-08-09 09:47:14 is 72.324052767 s in the future tar: ./proc/proc-self-wchan: time stamp 2022-08-09 09:46:58 is 56.317812101 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-08-09 09:46:58 is 56.312835976 s in the future tar: ./proc/read: time stamp 2022-08-09 09:46:59 is 57.308430005 s in the future tar: ./proc/proc-pid-vm: time stamp 2022-08-09 09:46:59 is 57.303389723 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-08-09 09:46:59 is 57.298916297 s in the future tar: ./proc/setns-dcache: time stamp 2022-08-09 09:46:59 is 57.294294618 s in the future tar: ./proc/fd-001-lookup: time stamp 2022-08-09 09:46:58 is 56.289847054 s in the future tar: ./proc/proc-self-map-files-002: time stamp 2022-08-09 09:46:58 is 56.285370989 s in the future tar: ./proc/proc-uptime-001: time stamp 2022-08-09 09:46:58 is 56.280726431 s in the future tar: ./proc/self: time stamp 2022-08-09 09:46:59 is 57.275746195 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-08-09 09:46:58 is 56.27043325 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-08-09 09:46:59 is 57.265364649 s in the future tar: ./proc/proc-uptime-002: time stamp 2022-08-09 09:46:59 is 57.259882513 s in the future tar: ./proc/proc-fsconfig-hidepid: time stamp 2022-08-09 09:46:59 is 57.254930644 s in the future tar: ./proc/proc-loadavg-001: time stamp 2022-08-09 09:46:58 is 56.249614565 s in the future tar: ./proc/proc-self-syscall: time stamp 2022-08-09 09:46:58 is 56.244604076 s in the future tar: ./proc/thread-self: time stamp 2022-08-09 09:46:59 is 57.239499821 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-08-09 09:46:59 is 57.234798528 s in the future tar: ./proc: time stamp 2022-08-09 09:47:13 is 71.233366791 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-08-09 09:47:03 is 61.227390346 s in the future tar: ./tmpfs: time stamp 2022-08-09 09:47:14 is 72.225875398 s in the future tar: ./sigaltstack/sas: time stamp 2022-08-09 09:47:02 is 60.219589651 s in the future tar: ./sigaltstack: time stamp 2022-08-09 09:47:13 is 71.218198666 s in the future tar: ./clone3/clone3: time stamp 2022-08-09 09:46:40 is 38.21142302 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-09 09:46:40 is 38.205349158 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-09 09:46:40 is 38.199917422 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-09 09:46:40 is 38.193052127 s in the future tar: ./clone3: time stamp 2022-08-09 09:47:10 is 68.19145567 s in the future tar: ./sync/sync_test: time stamp 2022-08-09 09:47:02 is 60.181494802 s in the future tar: ./sync: time stamp 2022-08-09 09:47:14 is 72.180139363 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-08-09 09:46:50 is 48.17133319 s in the future tar: ./mincore: time stamp 2022-08-09 09:47:12 is 70.169757055 s in the future tar: ./run_kselftest.sh: time stamp 2022-08-09 09:47:06 is 64.16606201 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-08-09 09:46:39 is 37.159094733 s in the future tar: ./breakpoints: time stamp 2022-08-09 09:47:09 is 67.157669246 s in the future tar: ./pstore: time stamp 2022-08-09 09:47:13 is 71.143032399 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-08-09 09:46:40 is 38.137034781 s in the future tar: ./efivarfs/create-read: time stamp 2022-08-09 09:46:40 is 38.129327705 s in the future tar: ./efivarfs: time stamp 2022-08-09 09:47:10 is 68.1275763 s in the future tar: ./cgroup/test_freezer: time stamp 2022-08-09 09:46:40 is 38.116044892 s in the future tar: ./cgroup/test_core: time stamp 2022-08-09 09:46:40 is 38.108506231 s in the future tar: ./cgroup/test_kmem: time stamp 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09:46:53 is 43.900344306 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-08-09 09:46:55 is 45.888096771 s in the future tar: ./net/msg_zerocopy: time stamp 2022-08-09 09:46:54 is 44.871290795 s in the future tar: ./net/reuseport_bpf: time stamp 2022-08-09 09:46:51 is 41.845229397 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-08-09 09:46:58 is 48.830979094 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-08-09 09:46:58 is 48.820149665 s in the future tar: ./net/mptcp: time stamp 2022-08-09 09:47:12 is 62.803622593 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-08-09 09:46:54 is 44.797575576 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-08-09 09:46:51 is 41.791440695 s in the future tar: ./net/ip_defrag: time stamp 2022-08-09 09:46:55 is 45.782323569 s in the future tar: ./net/hwtstamp_config: time stamp 2022-08-09 09:46:56 is 46.765124346 s in the future tar: ./net/nettest: time stamp 2022-08-09 09:46:53 is 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is 40.543808103 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_FROM.sh: time stamp 2022-08-09 09:46:50 is 40.5390963 s in the future tar: ./lkdtm/HUNG_TASK.sh: time stamp 2022-08-09 09:46:50 is 40.532351596 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-08-09 09:46:50 is 40.526897283 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-08-09 09:46:50 is 40.520500119 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-08-09 09:46:50 is 40.515024761 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-08-09 09:46:50 is 40.508725061 s in the future tar: ./lkdtm/CORRUPT_STACK.sh: time stamp 2022-08-09 09:46:50 is 40.502559056 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-08-09 09:46:50 is 40.49715689 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-08-09 09:46:50 is 40.49103482 s in the future tar: ./lkdtm/REFCOUNT_INC_SATURATED.sh: time stamp 2022-08-09 09:46:50 is 40.484693251 s in the future tar: ./lkdtm/WRITE_AFTER_FREE.sh: time stamp 2022-08-09 09:46:50 is 40.478648397 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-09 09:46:50 is 40.474194149 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-09 09:46:50 is 40.469126459 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-08-09 09:46:50 is 40.464223564 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-08-09 09:46:50 is 40.453515098 s in the future tar: ./lkdtm/EXEC_USERSPACE.sh: time stamp 2022-08-09 09:46:50 is 40.447030037 s in the future tar: ./lkdtm/EXHAUST_STACK.sh: time stamp 2022-08-09 09:46:50 is 40.440938167 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-08-09 09:46:50 is 40.434735847 s in the future tar: ./lkdtm/REFCOUNT_INC_OVERFLOW.sh: time stamp 2022-08-09 09:46:50 is 40.42867738 s in the future tar: ./lkdtm/SPINLOCKUP.sh: time stamp 2022-08-09 09:46:50 is 40.4230544 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-08-09 09:46:50 is 40.416821504 s in the future tar: ./lkdtm/EXCEPTION.sh: time stamp 2022-08-09 09:46:50 is 40.411792111 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-08-09 09:46:50 is 40.406069728 s in the future tar: ./lkdtm/WRITE_RO_AFTER_INIT.sh: time stamp 2022-08-09 09:46:50 is 40.400659525 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-08-09 09:46:50 is 40.394764543 s in the future tar: ./lkdtm/HARDLOCKUP.sh: time stamp 2022-08-09 09:46:50 is 40.388917817 s in the future tar: ./lkdtm/SLAB_FREE_DOUBLE.sh: time stamp 2022-08-09 09:46:50 is 40.383159189 s in the future tar: ./lkdtm/CORRUPT_LIST_ADD.sh: time stamp 2022-08-09 09:46:50 is 40.377086806 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-08-09 09:46:50 is 40.371643054 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-08-09 09:46:50 is 40.365660317 s in the future tar: ./lkdtm/UNSET_SMEP.sh: time stamp 2022-08-09 09:46:50 is 40.359520326 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_LEADING.sh: time stamp 2022-08-09 09:46:50 is 40.354607384 s in the future tar: ./lkdtm/USERCOPY_KERNEL.sh: time stamp 2022-08-09 09:46:50 is 40.34956554 s in the future tar: ./lkdtm/CFI_FORWARD_PROTO.sh: time stamp 2022-08-09 09:46:50 is 40.344784987 s in the future tar: ./lkdtm/WRITE_RO.sh: time stamp 2022-08-09 09:46:50 is 40.339608946 s in the future tar: ./lkdtm/REFCOUNT_DEC_NEGATIVE.sh: time stamp 2022-08-09 09:46:50 is 40.333458379 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-08-09 09:46:50 is 40.328231987 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-08-09 09:46:50 is 40.323139159 s in the future tar: ./lkdtm/SLAB_FREE_CROSS.sh: time stamp 2022-08-09 09:46:50 is 40.317515816 s in the future tar: ./lkdtm/EXEC_STACK.sh: time stamp 2022-08-09 09:46:50 is 40.31215607 s in the future tar: 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tar: ./memfd: time stamp 2022-08-09 09:47:12 is 62.137898095 s in the future tar: ./core/close_range_test: time stamp 2022-08-09 09:46:40 is 30.125688638 s in the future tar: ./core: time stamp 2022-08-09 09:47:10 is 60.123169338 s in the future tar: ./rtc/rtctest: time stamp 2022-08-09 09:47:01 is 51.106804846 s in the future tar: ./rtc/setdate: time stamp 2022-08-09 09:47:01 is 51.10013785 s in the future tar: ./rtc: time stamp 2022-08-09 09:47:13 is 63.097660775 s in the future tar: ./livepatch: time stamp 2022-08-09 09:47:12 is 62.053470637 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-09 09:47:06 is 56.045533071 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-09 09:47:06 is 56.040113204 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-09 09:47:06 is 56.035082806 s in the future tar: ./kselftest: time stamp 2022-08-09 09:47:06 is 56.03267873 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-08-09 09:46:44 is 34.02349141 s in the future tar: ./kcmp: time stamp 2022-08-09 09:47:11 is 61.021243377 s in the future tar: ./netfilter/nf-queue: time stamp 2022-08-09 09:46:58 is 47.957260503 s in the future tar: ./netfilter: time stamp 2022-08-09 09:47:13 is 62.949796411 s in the future tar: .: time stamp 2022-08-09 09:47:15 is 64.947165919 s in the future 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 ======================================== [ 47.356896] 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 [ 47.609538] lkdtm: Performing direct entry BUG [ 47.614587] ------------[ cut here ]------------ [ 47.619773] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.625640] invalid opcode: 0000 [#1] SMP PTI [ 47.630504] CPU: 1 PID: 726 Comm: cat Not tainted 5.10.131-cip13 #1 [ 47.637504] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.644312] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.648686] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 47.669676] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 47.675509] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.683477] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 47.691445] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 47.699410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.707377] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 47.715343] FS: 00007f8730745580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 47.724378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.730792] CR2: 00007f873055e000 CR3: 0000000104014001 CR4: 00000000003706e0 [ 47.738759] Call Trace: [ 47.741486] direct_entry.cold+0x2c/0x38 [ 47.745866] full_proxy_write+0x56/0x80 [ 47.750150] vfs_write+0xea/0x390 [ 47.753839] ksys_write+0x68/0xe0 [ 47.757535] do_syscall_64+0x33/0x40 [ 47.761523] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.767153] RIP: 0033:0x7f873066df33 [ 47.771132] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.792099] RSP: 002b:00007ffee9528a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.800553] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f873066df33 [ 47.808511] RDX: 0000000000000004 RSI: 00007f873055e000 RDI: 0000000000000001 [ 47.816471] RBP: 00007f873055e000 R08: 00007f873055d010 R09: 0000000000000000 [ 47.824438] R10: 00007f87307681c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.832404] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.840375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.866813] ---[ end trace 5b234276589fd02e ]--- [ 47.871998] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.876379] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 47.897359] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 47.903197] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.911171] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 47.919148] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 47.927120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.935098] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 47.943097] FS: 00007f8730745580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 47.952133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.958548] CR2: 00007f873055e000 CR3: 0000000104014001 CR4: 00000000003706e0 # Segmentation fault # [ 47.609538] lkdtm: Performing direct entry BUG # [ 47.614587] ------------[ cut here ]------------ # [ 47.619773] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.625640] invalid opcode: 0000 [#1] SMP PTI # [ 47.630504] CPU: 1 PID: 726 Comm: cat Not tainted 5.10.131-cip13 #1 # [ 47.637504] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.644312] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.648686] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 [ 48.029508] lkdtm: Performing direct entry WARNING [ 48.041164] ------------[ cut here ]------------ [ 48.046338] WARNING: CPU: 3 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 47.669676] RSP:[ 48.055678] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.088317] CPU: 3 PID: 762 Comm: cat Tainted: G D 5.10.131-cip13 #1 [ 48.096871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.103679] RIP: 0010:lkdtm_WARNING+0xf/0x20 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 47.675509] RAX: f[ 48.108449] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 48.135639] RSP: 0018:ffffb64d01447e60 EFLAGS: 00010202 [ 48.141500] RAX: ffffffffafab1940 RBX: 0000000000000002 RCX: 0000000000000000 [ 48.149468] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffffffffb06d9a80 [ 48.157438] RBP: ffffffffb0ac024f R08: 0000000000000000 R09: 0000000000000000 [ 48.165409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.173379] R13: ffffb64d01447f10 R14: ffffb64d01447f10 R15: ffff9b8b83388000 [ 48.181350] FS: 00007f89324a7580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 fffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 48.190394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.203026] CR2: 00007f89322c0000 CR3: 0000000105344005 CR4: 00000000003706e0 [ 48.211000] Call Trace: [ 48.213731] direct_entry.cold+0x2c/0x38 [ 48.218143] full_proxy_write+0x56/0x80 47.683477] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: f[ 48.222452] vfs_write+0xea/0x390 [ 48.232358] ksys_write+0x68/0xe0 [ 48.236059] do_syscall_64+0x33/0x40 [ 48.240074] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.245751] RIP: 0033:0x7f89323cff33 fffffffb06d9a70 # [ 47.691445] RBP: ffffffffb0b1b680 R08: 000[ 48.249753] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.276936] RSP: 002b:00007ffce42e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.285392] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f89323cff33 [ 48.293361] RDX: 0000000000000008 RSI: 00007f89322c0000 RDI: 0000000000000001 [ 48.301331] RBP: 00007f89322c0000 R08: 00007f89322bf010 R09: 0000000000000000 [ 48.309299] R10: 00007f89324ca1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.317260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.325232] irq event stamp: 0 [ 48.328677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000001 R09: 0000000000000001 # [ 47.699410] R10: 00000[ 48.335680] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.351022] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.360155] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.367154] ---[ end trace 5b234276589fd02f ]--- 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.707377] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 47.715343] FS: 00007f8730745580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 47.724378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.730792] CR2: 00007f873055e000 CR3: 0000000104014001 CR4: 00000000003706e0 # [ 47.738759] Call Trace: # [ 47.741486] direct_entry.cold+0x2c/0x38 # [ 47.745866] full_proxy_write+0x56/0x80 # [ 47.750150] vfs_write+0xea/0x390 # [ 47.753839] ksys_wr[ 48.425978] lkdtm: Performing direct entry WARNING_MESSAGE ite+0x68/0xe0 # [ 47.757535] do_syscall_64+0x33/0x40 # [ [ 48.434417] ------------[ cut here ]------------ 47.761523] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 47.7[ 48.445790] Warning message trigger count: 2 67153] RIP: 0033:0x7f873066df33 # [ 47.771132] Code: 8b 15 61[ 48.456804] WARNING: CPU: 1 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 48.473185] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 48.505827] CPU: 1 PID: 797 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 48.520588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 48.527395] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 47.792099] RSP: 002b:00007ffee9528a68 EFLAGS: 00000246 ORIG_RAX[ 48.539264] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 1b 70 02 48 c7 c7 b0 07 ac b0 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 : 0000000000000001 # [ 47.800553] RAX: ffffffffffffffda RBX: [ 48.566440] RSP: 0018:ffffb64d014f7e60 EFLAGS: 00010286 [ 48.578483] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 48.586454] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 48.594423] RBP: ffffffffb0ac0257 R08: 0000000000000000 R09: 0000000000000000 [ 48.602391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.610352] R13: ffffb64d014f7f10 R14: ffffb64d014f7f10 R15: ffff9b8b83e8b000 [ 48.618322] FS: 00007fd6d638d580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 0000000000000004 RCX: 00007f873066df33 # [ 47.808511] RDX: 00[ 48.627359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.639984] CR2: 00007fd6d61a6000 CR3: 00000001055b0001 CR4: 00000000003706e0 [ 48.647952] Call Trace: 00000000000004 RSI: 00007f873055e000 RDI: 0000000000000001 # [ [ 48.650684] direct_entry.cold+0x2c/0x38 47.816471] RBP: 00007f873055e000 R08: 00007f873055d010 R09: 00[ 48.661278] full_proxy_write+0x56/0x80 [ 48.671770] vfs_write+0xea/0x390 00000000000000 # [ 47.824438] R10: 00007f87307681c0 R11: 0000[ 48.675495] ksys_write+0x68/0xe0 [ 48.685402] do_syscall_64+0x33/0x40 000000000246 R12: 0000000000000001 # [ 47.832404] R13: 000000[ 48.689393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.701241] RIP: 0033:0x7fd6d62b5f33 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47[ 48.705254] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.732439] RSP: 002b:00007fffab2bb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 .840375] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 48.740895] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd6d62b5f33 [ 48.755074] RDX: 0000000000000010 RSI: 00007fd6d61a6000 RDI: 0000000000000001 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 48.763045] RBP: 00007fd6d61a6000 R08: 00007fd6d61a5010 R09: 0000000000000000 alio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debu[ 48.777231] R10: 00007fd6d63b01c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.791416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 gfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 48.799391] irq event stamp: 0 [ 48.809004] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d_notify # [ 47.866813] ---[ end trace 5b234276589fd02e ]---[ 48.816006] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.831348] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 47.871998] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.876379][ 48.840484] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.853691] ---[ end trace 5b234276589fd030 ]--- Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 47.897359] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 47.903197] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.911171] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 47.919148] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 47.927120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.935098] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 47.943097] FS: 00007f8730745580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000[ 48.931712] lkdtm: Performing direct entry EXCEPTION 000000000 # [ 47.952133] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 48.938979] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 48.952963] #PF: supervisor write access in kernel mode [ 48.958792] #PF: error_code(0x0002) - not-present page [ 48.964527] PGD 0 P4D 0 [ 48.967340] Oops: 0002 [#2] SMP PTI [ 48.971230] CPU: 1 PID: 829 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 48.979771] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.986568] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 0000080050033 # [ 47.958548] CR2: 00007f873055e000 CR3: 00000[ 48.991526] Code: 48 c7 c7 b0 07 ac b0 8d 70 01 89 35 b1 1b 70 02 e8 d6 aa 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 49.018723] RSP: 0018:ffffb64d01567e60 EFLAGS: 00010286 [ 49.024554] RAX: ffffffffafab1990 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.032522] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9aa0 [ 49.040490] RBP: ffffffffb09f5e07 R08: 0000000000000000 R09: 0000000000000000 [ 49.048457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.056424] R13: ffffb64d01567f10 R14: ffffb64d01567f10 R15: ffff9b8b83432000 [ 49.064390] FS: 00007efdb82ca580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 49.073424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.079839] CR2: 0000000000000000 CR3: 00000001051c6003 CR4: 00000000003706e0 [ 49.087805] Call Trace: [ 49.090531] direct_entry.cold+0x2c/0x38 [ 49.094911] full_proxy_write+0x56/0x80 00104014001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': o[ 49.099193] vfs_write+0xea/0x390 [ 49.109097] ksys_write+0x68/0xe0 [ 49.112794] do_syscall_64+0x33/0x40 [ 49.116781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.122409] RIP: 0033:0x7efdb81f2f33 [ 49.126397] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.147363] RSP: 002b:00007ffe849bf5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.155816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efdb81f2f33 [ 49.163782] RDX: 000000000000000a RSI: 00007efdb80e3000 RDI: 0000000000000001 [ 49.171747] RBP: 00007efdb80e3000 R08: 00007efdb80e2010 R09: 0000000000000000 [ 49.179722] R10: 00007efdb82ed1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.187688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 k ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh[ 49.195676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.228307] CR2: 0000000000000000 [ 49.232002] ---[ end trace 5b234276589fd031 ]--- [ 49.237154] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.241528] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 49.262503] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 49.268336] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.276305] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 49.284262] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 49.292229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.300196] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 49.308163] FS: 00007efdb82ca580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 49.317196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.323609] CR2: 0000000000000000 CR3: 00000001051c6003 CR4: 00000000003706e0 [ 49.331577] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.341485] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat [ 49.349840] INFO: lockdep is turned off. [ 49.354214] irq event stamp: 0 [ 49.357618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.364615] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.373749] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.382871] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.389867] CPU: 1 PID: 829 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 49.398416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.405216] Call Trace: [ 49.407944] dump_stack+0x77/0x97 [ 49.411642] ___might_sleep.cold+0xa6/0xb6 [ 49.416213] exit_signals+0x1c/0x2d0 [ 49.420201] do_exit+0xd5/0xb00 [ 49.423723] ? ksys_write+0x68/0xe0 [ 49.427614] rewind_stack_do_exit+0x17/0x20 [ 49.432279] RIP: 0033:0x7efdb81f2f33 [ 49.436264] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.457240] RSP: 002b:00007ffe849bf5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.465694] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efdb81f2f33 [ 49.473677] RDX: 000000000000000a RSI: 00007efdb80e3000 RDI: 0000000000000001 [ 49.481643] RBP: 00007efdb80e3000 R08: 00007efdb80e2010 R09: 0000000000000000 [ 49.489609] R10: 00007efdb82ed1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.497575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.029508] lkdtm: Performing direct entry WARNING # [ 48.041164] ------------[ cut here ]------------ # [ 48.046338] WARNING: CPU: 3 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 48.055678] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.088317] CPU: 3 PID: 762 Comm: cat Tainted: G D 5.10.131-cip13 #1 # [ 48.096871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.103679] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 48.108449] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 48.135639] RSP: 0018:ffffb64d01447e60 EFLAGS: 00010202 # [ 48.141500] RAX: ffffffffafab1940 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.149468] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffffffffb06d9a80 # [ 48.157438] RBP: ffffffffb0ac024f R08: 0000000000000000 R09: 0000000000000000 # [ 48.165409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.173379] R13: ffffb64d01447f10 R14: ffffb64d01447f10 R15: ffff9b8b83388000 # [ 48.181350] FS: 00007f89324a7580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 48.190394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.203026] CR2: 00007f89322c0000 CR3: 0000000105344005 CR4: 00000000003706e0 # [ 48.211000] Call Trace: # [ 48.213731] direct_entry.cold+0x2c/0x38 # [ 48.218143] full_proxy_write+0x56/0x80 # [ 48.222452] vfs_w[ 49.676963] lkdtm: Performing direct entry CORRUPT_LIST_ADD rite+0xea/0x390 # [ 48.232358] ksys_write+0x68/0xe0 # [ 4[ 49.685820] lkdtm: attempting good list addition 8.236059] do_syscall_64+0x33/0x40 # [ 48.240074] entry_SYSC[ 49.697208] lkdtm: attempting corrupted list addition ALL_64_after_hwframe+0x44/0xa9 # [ 48.245751] RIP: 0033:0x7f8[ 49.709065] lkdtm: list_add() corruption not detected! 9323cff33 # [ 48.249753] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.276936] RSP: 002b:00007ffce42e65c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.285392] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f89323cff33 # [ 48.293361] RDX: 0000000000000008 RSI: 00007f89322c0000 RDI: 0000000000000001 # [ 48.301331] RBP: 00007f89322c0000 R08: 00007f89322bf010 R09: 0000000000000000 # [ 48.309299] R10: 00007f89324ca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.317260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.325232] irq event stamp: 0 # [ 48.328677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.335680] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.351022] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.360155] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.367154] ---[ end trace 5b234276589fd02f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests:[ 49.838957] lkdtm: Performing direct entry CORRUPT_LIST_DEL lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ [ 49.845394] lkdtm: attempting good list removal 48.425978] lkdtm: Performing direct entry WARNING_MESSAGE # [[ 49.856702] lkdtm: attempting corrupted list removal 48.434417] ------------[ cut here ]------------ # [ 48.445[ 49.868467] lkdtm: list_del() corruption not detected! 790] Warning message trigger count: 2 # [ 48.456804] WARNING: CPU: 1 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.473185] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.505827] CPU: 1 PID: 797 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 48.520588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.527395] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.539264] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 [ 49.945832] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 49.955765] lkdtm: attempting bad read from page below current stack [ 49.962878] BUG: stack guard page was hit at 0000000046efba46 (stack is 00000000b22f159d..0000000055530b1f) [ 49.973767] kernel stack overflow (page fault): 0000 [#3] SMP PTI 00 00 8b 05 c1 1b 70 02 48 c7 c7 b0 07 ac b0 8d 70 01 89 35 b1 1[ 49.980573] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 49.995430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.002234] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.008745] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 0b ac b0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 0b ac b0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 f9 a3 fd ff 0f 1f 44 [ 50.029727] RSP: 0018:ffffb64d018d7e50 EFLAGS: 00010246 [ 50.035559] RAX: 0000000000000038 RBX: ffffb64d018d4000 RCX: 0000000000000000 [ 50.043524] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffffffffb0ac0b90 [ 50.051490] RBP: ffffffffb0ac02ba R08: 0000000000000000 R09: 0000000000000000 [ 50.059456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.067422] R13: ffffb64d018d7f10 R14: ffffb64d018d7f10 R15: ffff9b8b85c9a000 [ 50.075388] FS: 00007ff2e35cd580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 50.084422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.090834] CR2: ffffb64d018d3fff CR3: 0000000102988006 CR4: 00000000003706e0 [ 50.098801] Call Trace: [ 50.101528] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 50.106582] direct_entry.cold+0x2c/0x38 [ 50.110960] full_proxy_write+0x56/0x80 [ 50.115238] vfs_write+0xea/0x390 [ 50.118926] ksys_write+0x68/0xe0 [ 50.122614] do_syscall_64+0x33/0x40 [ 50.126601] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.132237] RIP: 0033:0x7ff2e34f5f33 [ 50.136225] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.157203] RSP: 002b:00007ffeadc04fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.165674] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff2e34f5f33 [ 50.173632] RDX: 0000000000000019 RSI: 00007ff2e33e6000 RDI: 0000000000000001 [ 50.181598] RBP: 00007ff2e33e6000 R08: 00007ff2e33e5010 R09: 0000000000000000 [ 50.189565] R10: 00007ff2e35f01c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.197531] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.205499] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b 70 02 e8 d6 aa 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 [ 50.231948] ---[ end trace 5b234276589fd032 ]--- [ 50.243310] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.247686] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 50.268674] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 50.274496] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.282462] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 50.290430] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 50.298395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.306361] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 50.314326] FS: 00007ff2e35cd580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 50.323361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.329774] CR2: ffffb64d018d3fff CR3: 0000000102988006 CR4: 00000000003706e0 [ 50.337741] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.347648] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat [ 50.356122] INFO: lockdep is turned off. [ 50.360496] irq event stamp: 0 [ 50.363899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.370895] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.380027] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.389159] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.396155] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 50.404799] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.411600] Call Trace: [ 50.414326] dump_stack+0x77/0x97 [ 50.418023] ___might_sleep.cold+0xa6/0xb6 [ 50.422584] exit_signals+0x1c/0x2d0 [ 50.426572] do_exit+0xd5/0xb00 [ 50.430074] ? ksys_write+0x68/0xe0 [ 50.433964] rewind_stack_do_exit+0x17/0x20 [ 50.438620] RIP: 0033:0x7ff2e34f5f33 [ 50.442607] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.463582] RSP: 002b:00007ffeadc04fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.472033] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff2e34f5f33 [ 50.479999] RDX: 0000000000000019 RSI: 00007ff2e33e6000 RDI: 0000000000000001 [ 50.487963] RBP: 00007ff2e33e6000 R08: 00007ff2e33e5010 R09: 0000000000000000 [ 50.495928] R10: 00007ff2e35f01c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.503894] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 66 90 0f 1f 44 00 00 c7 # [ 48.566440] RSP: 0018:ffffb64d014f7e60 EFLAGS: 00010286 # [ 48.578483] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.586454] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 48.594423] RBP: ffffffffb0ac0257 R08: 0000000000000000 R09: 0000000000000000 # [ 48.602391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.610352] R13: ffffb64d014f7f10 R14: ffffb64d014f7f10 R15: ffff9b8b83e8b000 # [ 48.618322] FS: 00007fd6d638d580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 48.627359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.639984] CR2: 00007fd6d61a6000 CR3: 00000001055b0001 CR4: 00000000003706e0 # [ 48.647952] Call Trace: # [ 48.650684] direct_entry.cold+0x2c/0x38 # [ 48.661278] full_proxy_write+0x56/0x80 # [ 48.671770] vfs_write+0xea/0x390 # [ 48.675495] ksys_write+0x68/0xe0 # [ 48.685402] do_syscall_64+0x33/0x40 # [ 48.689393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.701241] RIP: 0033:0x7fd6d62b5f33 # [ 48.705254] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 50.631176] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 50.643446] lkdtm: attempting bad read from page above current stack [ 50.650569] BUG: stack guard page was hit at 00000000c32a695a (stack is 000000003008df3c..000000002ede2e99) [ 50.661458] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 50.668261] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 50.676907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.683725] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 50.690332] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 0b ac b0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 0c ac b0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff [ 50.711307] RSP: 0018:ffffb64d01917e50 EFLAGS: 00010246 [ 50.717137] RAX: 0000000000000038 RBX: ffffb64d01914000 RCX: 0000000000000000 [ 50.725103] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffffffffb0ac0c08 [ 50.733070] RBP: ffffffffb0ac02d3 R08: 0000000000000000 R09: 0000000000000000 [ 50.741037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.749003] R13: ffffb64d01917f10 R14: ffffb64d01917f10 R15: ffff9b8b835f1000 [ 50.756970] FS: 00007f3dc40de580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 50.766004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.772417] CR2: ffffb64d01918000 CR3: 0000000105250001 CR4: 00000000003706e0 [ 50.780383] Call Trace: [ 50.783109] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.788931] direct_entry.cold+0x2c/0x38 [ 50.793308] full_proxy_write+0x56/0x80 [ 50.797588] vfs_write+0xea/0x390 [ 50.801284] ksys_write+0x68/0xe0 [ 50.804980] do_syscall_64+0x33/0x40 [ 50.808958] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.814586] RIP: 0033:0x7f3dc4006f33 [ 50.818574] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.839540] RSP: 002b:00007ffcbc5ba168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.847992] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3dc4006f33 [ 50.855958] RDX: 000000000000001a RSI: 00007f3dc3ef7000 RDI: 0000000000000001 [ 50.863924] RBP: 00007f3dc3ef7000 R08: 00007f3dc3ef6010 R09: 0000000000000000 [ 50.871890] R10: 00007f3dc41011c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.879856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.887825] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.732439] RSP[ 50.914273] ---[ end trace 5b234276589fd033 ]--- [ 50.925636] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.930010] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 50.950986] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 50.956816] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.964782] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 50.972747] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 50.980714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.988680] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 50.996664] FS: 00007f3dc40de580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 : 002b:00007fffab2bb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 51.005706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.018334] CR2: ffffb64d01918000 CR3: 0000000105250001 CR4: 00000000003706e0 001 # [ 48.740895] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd6d62b5f33 # [ 48.755074] RDX: 0000000000000010 RSI: 00007fd6d61a6000 RDI: 0000000000000001 # [ 48.763045] RBP: 00007fd6d61a6000 R08: 00007fd6d61a5010 R09: 0000000000000000 # [ 48.777231] R10: 00007fd6d63b01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.791416] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.799391] irq event stamp: 0 # [ 48.809004] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.816006] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48[ 51.083726] lkdtm: Performing direct entry UNSET_SMEP [ 51.094135] lkdtm: trying to clear SMEP normally .831348] softirqs last enabled at (0): [] cop[ 51.099293] ------------[ cut here ]------------ y_process+0x63c/0x1c80 # [ 48.840484] softirqs last disabled [ 51.110656] pinned CR4 bits changed: 0x100000!? at (0): [<0000000000000000>] 0x0 # [ 48.853691] ---[ end trac[ 51.121972] WARNING: CPU: 1 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 e 5b234276589fd030 ]--- # WARNING_MESSAGE: saw 'message trigger[ 51.138367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: l[ 51.170999] CPU: 1 PID: 1123 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 51.185861] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 kdtm: EXCEPTION.sh # Killed # [ 48.931712] lkdtm: Performing[ 51.192678] RIP: 0010:native_write_cr4+0x41/0x60 [ 51.204045] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 68 fd 9f b0 c6 05 cc d8 c3 01 01 e8 85 c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 direct entry EXCEPTION # [ 48.938979] BUG: kernel NULL point[ 51.225048] RSP: 0018:ffffb64d019afe48 EFLAGS: 00010286 er dereference, address: 0000000000000000 # [ 48.952963] #PF:[ 51.237093] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 51.251276] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 51.259244] RBP: ffffffffb0ac02ed R08: 0000000000000000 R09: 0000000000000000 [ 51.267203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 51.275163] R13: ffffb64d019aff10 R14: ffffb64d019aff10 R15: ffff9b8b852aa000 [ 51.283123] FS: 00007ff00f252580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 supervisor write access in kernel mode # [ 48.958792] #PF: e[ 51.292166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rror_code(0x0002) - not-present page # [ 48.964527] PGD 0 P4D[ 51.304799] CR2: 00007ff00f06b000 CR3: 00000001034b8002 CR4: 00000000003706e0 0 # [ 48.967340] Oops: 0002 [#2] SMP PTI # [ 48.971230] [ 51.318984] Call Trace: CPU: 1 PID: 829 Comm: cat Tainted: G D W 5.10.131-c[ 51.327947] lkdtm_UNSET_SMEP.cold+0x1d/0x103 ip13 #1 # [ 48.979771] Hardware name: Google Rammus/Rammus, B[ 51.339006] direct_entry.cold+0x2c/0x38 IOS 09/04/2020 # [ 48.986568] RIP: 0010:lkdtm_EXCEPTION+0x5/[ 51.349621] full_proxy_write+0x56/0x80 [ 51.360116] vfs_write+0xea/0x390 0x20 # [ 48.991526] Code: 48 c7 c7 b0 07 ac b0 8d 70 01 89 35[ 51.363817] ksys_write+0x68/0xe0 b1 1b 70 02 e8 d6 aa 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 [ 51.373752] do_syscall_64+0x33/0x40 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3[ 51.383959] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.395809] RIP: 0033:0x7ff00f17af33 66 66 2e 0f 1f 84 00 00 00 00 # [ 49.018723] RSP: 0018:ffffb[ 51.399799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.426986] RSP: 002b:00007fff782e5cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 64d01567e60 EFLAGS: 00010286 # [ 49.024554] RAX: ffffffffafab[ 51.435443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff00f17af33 [ 51.449622] RDX: 000000000000000b RSI: 00007ff00f06b000 RDI: 0000000000000001 [ 51.457592] RBP: 00007ff00f06b000 R08: 00007ff00f06a010 R09: 0000000000000000 [ 51.465561] R10: 00007ff00f2751c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.473530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1990 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.03252[ 51.481502] irq event stamp: 0 [ 51.491123] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d[ 51.498125] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.513468] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 9aa0 # [ 49.040490] RBP: ffffffffb09f5e07 R08: 00000000000000[ 51.522603] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.535810] ---[ end trace 5b234276589fd034 ]--- [ 51.540956] lkdtm: ok: SMEP did not get cleared [ 51.546013] lkdtm: trying to clear SMEP with call gadget [ 51.551943] lkdtm: ok: SMEP removal was reverted 00 R09: 0000000000000000 # [ 49.048457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.056424] R13: ffffb64d01567f10 R14: ffffb64d01567f10 R15: ffff9b8b83432000 # [ 49.064390] FS: 00007efdb82ca580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 49.073424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.079839] CR2: 0000000000000000 CR3: 00000001051c6003 CR4: 00000000003706e0 # [ 49.087805] Call Trace: # [ 49.090531] direct_entry.cold+0x2c/0x38 # [ 49.094911] full_proxy_write+0x56/0x80 # [ 49.099193] vfs_write+0xea/0x390 # [ 49.109097] ksys_write+0x68/0x[ 51.616525] lkdtm: Performing direct entry DOUBLE_FAULT [ 51.625095] lkdtm: XFAIL: this test is ia32-only e0 # [ 49.112794] do_syscall_64+0x33/0x40 # [ 49.116781] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.122409] RIP: 0033:0x7efdb81f2f33 # [ 49.126397] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.147363] RSP: 002b:00007ffe849bf5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.155816] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efdb81f2f33 # [ 49.163782] RDX: 000000000000000a RSI: 00007efdb80e3000 RDI: 0000000000000001 # [ 49.171747] RBP: 00007efdb80e3000 R08: 00007efdb80e2010 R09: 0000000000000000 # [ 49.179722] R10: 00007efdb82ed1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.187688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.195676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 51.723857] lkdtm: Performing direct entry CORRUPT_PAC [ 51.735469] lkdtm: XFAIL: this test is arm64-only c_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.228307] CR2: 0000000000000000 # [ 49.232002] ---[ end trace 5b234276589fd031 ]--- # [ 49.237154] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.241528] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 49.262503] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 49.268336] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 4[ 51.802781] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 51.810143] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 9.276305] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 49.284262] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 49.292229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.300196] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 49.308163] FS: 00007efdb82ca580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 49.317196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.323609] CR2: 0000000000000000 CR3: 00000001051c6003 CR4: 00000000003706e0 # [ 49.331577] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.341485] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat # [ 49.349840] INFO: lockdep is turned off. # [ 49.354214] irq event stamp: 0 # [ 49.357618] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.364615] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.373749] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.382871] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.389867] CPU: 1 PID: 829 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 49.398416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.405216] Call Trace: # [ 49.407944] dump_s[ 51.948801] lkdtm: Performing direct entry READ_AFTER_FREE [ 51.960678] lkdtm: Value in memory before free: 12345678 tack+0x77/0x97 # [ 49.411642] ___might_sleep.cold+0xa6/0xb6[ 51.966627] lkdtm: Attempting bad read from freed memory [ 51.978763] lkdtm: Memory was not poisoned # [ 49.416213] exit_signals+0x1c/0x2d0 # [ 49.420201] do_exit+0xd5/0xb00 # [ 49.423723] ? ksys_write+0x68/0xe0 # [ 49.427614] rewind_stack_do_exit+0x17/0x20 # [ 49.432279] RIP: 0033:0x7efdb81f2f33 # [ 49.436264] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.457240] RSP: 002b:00007ffe849bf5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.465694] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efdb81f2f33 # [ 49.473677] RDX: 000000000000000a RSI: 00007efdb80e3000 RDI: 0000000000000001 # [ 49.481643] RBP: 00007efdb80e3000 R08: 00007efdb80e2010 R09: 0000000000000000 # [ 49.489609] R10: 00007efdb82ed1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.497575] 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_ST[ 52.124689] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.133078] lkdtm: Value in memory before free: 12345678 [ 52.139020] lkdtm: Attempting to read from freed memory [ 52.144867] lkdtm: Buddy page was not poisoned ACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 49.676963] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 49.685820] lkdtm: attempting good list addition # [ 49.697208] lkdtm: attempting corrupted list addition # [ 49.709065] 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 # [ 49.838957] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 49.845394] lkdtm: attempting good list removal # [ 49.856702] lkdtm: attempting corrupted list removal # [ 49.868467] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption':[ 52.228165] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 52.236899] lkdtm: Attempting double slab free ... [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 49.945832] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 49.955765] lkdtm: attempting bad read from page below current stack # [ 49.962878] BUG: stack guard page was hit at 0000000046efba46 (stack is 00000000b22f159d..0000000055530b1f) # [ 49.973767] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.980573] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 49.995430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.002234] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.008745] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 50 0b ac b0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 13 a4 fd ff 48 c7 c7 90 0b ac b0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5[ 52.327108] lkdtm: Performing direct entry SLAB_FREE_CROSS b e9 f9 a3 fd ff 0f 1f 44 # [ 50.029727] RSP: 0018:ffffb64d01[ 52.335467] lkdtm: Attempting cross-cache slab free ... 8d7e50 EFLAGS: 00010246 # [ 50.035559] RAX: 0000000000000038 RBX: ffffb64d018d4000 RCX: 0000000000000000 # [ 50.043524] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffffffffb0ac0b90 # [ 50.051490] RBP: ffffffffb0ac02ba R08: 0000000000000000 R09: 0000000000000000 # [ 50.059456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.067422] R13: ffffb64d018d7f10 R14: ffffb64d018d7f10 R15: ffff9b8b85c9a000 # [ 50.075388] FS: 00007ff2e35cd580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 50.084422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.090834] CR2: ffffb64d018d3fff CR3: 0000000102988006 CR4: 00000000003706e0 # [ 50.098801] Call Trace: # [ 50.101528] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 50.106582] direct_entry.cold+0x2c/0x38 # [ 50.110960] full_proxy_write+0x56/0x80 # [ 50.115238] vfs_write+0xea/0x390 # [ 50.118926] ksys_write+0x68/0xe0 # [ 50.122614] do_syscall_64+0x33/0x40 # [ 50.126601] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.132237] RIP: 0033:0x7ff2e34f5f33 # [ 50.136225] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 52.470081] lkdtm: Performing direct entry SLAB_FREE_PAGE 0 00 48 83 ec 28 48 89 54 24 18 # [ 50.157203] RSP: 002b:0000[ 52.478084] lkdtm: Attempting non-Slab slab free ... 7ffeadc04fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.165674] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff2e34f5f33 # [ 50.173632] RDX: 0000000000000019 RSI: 00007ff2e33e6000 RDI: 0000000000000001 # [ 50.181598] RBP: 00007ff2e33e6000 R08: 00007ff2e33e5010 R09: 0000000000000000 # [ 50.189565] R10: 00007ff2e35f01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.197531] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.205499] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.231948] ---[ end trace 5b234276589fd032 ]--- # [ 50.243310] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.247686] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 50.268674] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 50.274496] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.282462] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 50.290430] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 50.298395] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.306361] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 50.314326] FS: 00007ff2e35cd580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 50.323361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.329774] CR2: ffffb64d018d3fff CR3: 0000000102988006 CR4: 00000000003706e0 # [ 50.337741] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.347648] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat # [ 50.356122] INFO: lockdep is turned off. # [ 50.360496] irq event stamp: 0 # [ 50.363899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.370895] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.380027] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.389159] softirq[ 52.717536] lkdtm: Performing direct entry EXEC_DATA s last disabled at (0): [<0000000000000000>] 0x0 # [ 50.39615[ 52.725350] lkdtm: attempting ok execution at ffffffffafab1d00 5] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.1[ 52.738081] lkdtm: attempting bad execution at ffffffffb21b3560 [ 52.750890] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.759274] BUG: unable to handle page fault for address: ffffffffb21b3560 [ 52.766951] #PF: supervisor instruction fetch in kernel mode [ 52.773266] #PF: error_code(0x0011) - permissions violation [ 52.779486] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 800000011b6000e3 [ 52.787282] Oops: 0011 [#5] SMP PTI [ 52.791171] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 52.799818] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.806623] RIP: 0010:data_area+0x0/0x40 [ 52.810998] Code: ff ff 00 52 54 84 8b 9b ff ff 00 51 54 84 8b 9b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 52.831975] RSP: 0018:ffffb64d021e7e48 EFLAGS: 00010246 [ 52.837807] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.845775] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 [ 52.853742] RBP: ffffffffb21b3560 R08: 0000000000000000 R09: 0000000000000000 [ 52.861723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.869691] R13: ffffb64d021e7f10 R14: ffffb64d021e7f10 R15: ffff9b8b8401d000 [ 52.877675] FS: 00007efc69a95580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 52.886719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.893132] CR2: ffffffffb21b3560 CR3: 00000001034d2001 CR4: 00000000003706f0 [ 52.901098] Call Trace: [ 52.903826] ? execute_location+0x48/0x56 [ 52.908305] ? direct_entry.cold+0x2c/0x38 [ 52.912868] ? full_proxy_write+0x56/0x80 [ 52.917342] ? vfs_write+0xea/0x390 [ 52.921231] ? ksys_write+0x68/0xe0 [ 52.925120] ? do_syscall_64+0x33/0x40 [ 52.929302] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.935136] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.961559] CR2: ffffffffb21b3560 [ 52.965246] ---[ end trace 5b234276589fd035 ]--- [ 52.970399] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.974774] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 52.995749] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 53.001579] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.009547] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 53.017515] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 53.025479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.033446] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 53.041411] FS: 00007efc69a95580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 53.050443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.056857] CR2: ffffffffb21b3560 CR3: 00000001034d2001 CR4: 00000000003706f0 [ 53.064825] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.074733] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat [ 53.083184] INFO: lockdep is turned off. [ 53.087558] irq event stamp: 0 [ 53.090962] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.097964] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.107095] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.116226] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.123222] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 53.131868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.138667] Call Trace: [ 53.141395] dump_stack+0x77/0x97 [ 53.145098] ___might_sleep.cold+0xa6/0xb6 [ 53.149668] exit_signals+0x1c/0x2d0 [ 53.153647] do_exit+0xd5/0xb00 [ 53.157148] ? ksys_write+0x68/0xe0 [ 53.161038] rewind_stack_do_exit+0x17/0x20 [ 53.165695] RIP: 0033:0x7efc699bdf33 [ 53.169681] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.190655] RSP: 002b:00007ffe2fe592c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.199108] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efc699bdf33 [ 53.207073] RDX: 000000000000000a RSI: 00007efc698ae000 RDI: 0000000000000001 [ 53.215040] RBP: 00007efc698ae000 R08: 00007efc698ad010 R09: 0000000000000000 [ 53.223005] R10: 00007efc69ab81c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.230970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 31-cip13 #1 # [ 50.404799] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.411600] Call Trace: # [ 50.414326] dump_stack+0x77/0x97 # [ 50.418023] ___might_sleep.cold+0xa6/0xb6 # [ 50.422584] exit_signals+0x1c/0x2d0 # [ 50.426572] do_exit+0xd5/0xb00 # [ 50.430074] ? ksys_write+0x68/0xe0 # [ 50.433964] rewind_stack_do_exit+0x17/0x20 # [ 50.438620] RIP: 0033:0x7ff2e34f5f33 # [ 50.442607] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.463582] RSP: 002b:00007ffeadc04fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.472033] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff2e34f5f33 # [ 50.479999] RDX: 0000000000000019 RSI: 00007ff2e33e6000 RDI: 0000000000000001 #[ 53.321828] lkdtm: Performing direct entry EXEC_STACK [ 50.487963] RBP: 00007ff2e33e6000 R08: 00007ff2e33e5010 R09:[ 53.331613] lkdtm: attempting ok execution at ffffffffafab1d00 0000000000000000 # [ 50.495928] R10: 00007ff2e35f01c0 R11: 0[ 53.344341] lkdtm: attempting bad execution at ffffb64d0228fe18 000000000000246 R12: 0000000000000001 # [ 50.503894] R13: 000[ 53.357167] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.371760] BUG: unable to handle page fault for address: ffffb64d0228fe18 [ 53.379428] #PF: supervisor instruction fetch in kernel mode [ 53.385737] #PF: error_code(0x0011) - permissions violation 00[00000000001 R14: 0000000000020000 R15: 0000000000020000 # STA 53.391971] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104793067 PTE 800000010381e063 [ 53.407225] Oops: 0011 [#6] SMP PTI [ 53.411107] CPU: 1 PID: 1666 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 53.419756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.426560] RIP: 0010:0xffffb64d0228fe18 [ 53.430935] Code: 00 00 18 fe 28 02 4d b6 ff ff cb 7d 0f b0 ff ff ff ff 20 00 00 00 00 00 00 00 16 04 ac b0 ff ff ff ff f7 7e 0f b0 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.451916] RSP: 0018:ffffb64d0228fdf8 EFLAGS: 00010246 [ 53.457740] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.465707] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 53.473695] RBP: ffffb64d0228fe18 R08: 0000000000000000 R09: 0000000000000000 [ 53.481676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.489645] R13: ffffb64d0228ff10 R14: ffffb64d0228ff10 R15: ffff9b8b84051000 [ 53.497637] FS: 00007f248fd07580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 53.506675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.513087] CR2: ffffb64d0228fe18 CR3: 00000001051c6005 CR4: 00000000003706e0 [ 53.521054] Call Trace: [ 53.523781] ? execute_location+0x48/0x56 CK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: l[ 53.528255] ? lkdtm_EXEC_STACK+0x26/0x40 [ 53.538940] ? direct_entry.cold+0x2c/0x38 [ 53.543512] ? full_proxy_write+0x56/0x80 kdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUA[ 53.547988] ? vfs_write+0xea/0x390 [ 53.558089] ? ksys_write+0x68/0xe0 [ 53.561980] ? do_syscall_64+0x33/0x40 [ 53.566163] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 RD_PAGE_TRAILING.sh # Segmentation fault # [ 50.631176] lkdt[ 53.571997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.604635] CR2: ffffb64d0228fe18 [ 53.608331] ---[ end trace 5b234276589fd036 ]--- [ 53.613477] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.617853] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 53.638834] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 53.644675] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.652644] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 53.660613] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 53.668581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.676548] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 53.684516] FS: 00007f248fd07580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 53.693552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.699966] CR2: ffffb64d0228fe18 CR3: 00000001051c6005 CR4: 00000000003706e0 m: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.643446] lkdtm: attempting bad read from page above current stack # [ 50.650569] BUG: stack guard page was hit at 00000000c32a695a (stack is 000000003008df3c..000000002ede2e99) # [ 50.661458] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.668261] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 50.676907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.683725] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.690332] Code: a3 fd ff 0f 1f 44 00 00 53 48 c7 c7 c8 0b ac b0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 d9 a3 fd ff 48 c7 c7 08 0c ac b0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 bc a3 fd ff # [ 53.781028] lkdtm: Performing direct entry EXEC_KMALLOC [ 50.711307] RSP: 0018:ffffb64d01917e50 EFLAGS: 00010246 # [ [ 53.788373] lkdtm: attempting ok execution at ffffffffafab1d00 50.717137] RAX: 0000000000000038 RBX: ffffb64d01914000 RCX: 00[ 53.801122] lkdtm: attempting bad execution at ffff9b8b834be0c0 00000000000000 # [ 50.725103] RDX: 0000000000000000 RSI: ffff[ 53.813955] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.828505] BUG: unable to handle page fault for address: ffff9b8b834be0c0 [ 53.836179] #PF: supervisor instruction fetch in kernel mode [ 53.842495] #PF: error_code(0x0011) - permissions violation [ 53.848726] PGD 11b801067 P4D 11b801067 PUD 10004e063 PMD 105214063 PTE 80000001034be163 [ 53.857762] Oops: 0011 [#7] SMP PTI [ 53.861674] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 53.870320] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.877122] RIP: 0010:0xffff9b8b834be0c0 [ 53.881498] Code: 00 00 02 00 00 00 00 00 00 00 c0 e9 4b 83 8b 9b ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 2f af ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.902474] RSP: 0018:ffffb64d0231fe38 EFLAGS: 00010246 [ 53.908304] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.916270] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 [ 53.924236] RBP: ffff9b8b834be0c0 R08: 0000000000000000 R09: 0000000000000000 [ 53.932203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.940167] R13: ffffb64d0231ff10 R14: ffffb64d0231ff10 R15: ffff9b8b834db000 [ 53.948135] FS: 00007f3756c7e580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 53.957168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.963581] CR2: ffff9b8b834be0c0 CR3: 0000000105cac001 CR4: 00000000003706f0 [ 53.971548] Call Trace: [ 53.974276] ? execute_location+0x48/0x56 [ 53.978754] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.983420] ? direct_entry.cold+0x2c/0x38 [ 53.987990] ? full_proxy_write+0x56/0x80 [ 53.992462] ? vfs_write+0xea/0x390 [ 53.996352] ? ksys_write+0x68/0xe0 [ 54.000244] ? do_syscall_64+0x33/0x40 [ 54.004424] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.010258] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.036687] CR2: ffff9b8b834be0c0 [ 54.040384] ---[ end trace 5b234276589fd037 ]--- [ 54.045536] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.049912] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 54.070886] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 54.076719] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.084684] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 54.092652] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 54.100618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.108586] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 54.116551] FS: 00007f3756c7e580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 54.125586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.131999] CR2: ffff9b8b834be0c0 CR3: 0000000105cac001 CR4: 00000000003706f0 [ 54.139965] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.149873] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat [ 54.158324] INFO: lockdep is turned off. [ 54.162699] irq event stamp: 0 [ 54.166102] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.173101] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.182233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.191363] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.198359] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 54.207004] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.213805] Call Trace: [ 54.216532] dump_stack+0x77/0x97 [ 54.220232] ___might_sleep.cold+0xa6/0xb6 [ 54.224804] exit_signals+0x1c/0x2d0 [ 54.228793] do_exit+0xd5/0xb00 [ 54.232295] ? ksys_write+0x68/0xe0 [ 54.236186] rewind_stack_do_exit+0x17/0x20 [ 54.240844] RIP: 0033:0x7f3756ba6f33 [ 54.244831] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.265807] RSP: 002b:00007fff220636b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.274259] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3756ba6f33 [ 54.282225] RDX: 000000000000000d RSI: 00007f3756a97000 RDI: 0000000000000001 [ 54.290195] RBP: 00007f3756a97000 R08: 00007f3756a96010 R09: 0000000000000000 [ 54.298162] R10: 00007f3756ca11c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.306129] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9b8bfad9bf70 RDI: ffffffffb0ac0c08 # [ 50.733070] RBP: ffffffffb0ac02d3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.741037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 50.749003] R13: ffffb64d01917f10 R14: ffffb64d01917f10 R15: ffff9b8b835f1000 # [ 50.756970] FS: 00007f3dc40de580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 50.766004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.772417] CR2: ffffb64d01918000 CR3: 0000000105250001 CR4: 00000000003706e0 # [ 50.780383] Call Trace: # [ 50.783109] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 50.788931] direct_entry.cold+0x2c/0x38 # [ 50.793308] full_proxy_write+0x56/0x80 # [ 50.797588] vfs_write+0xea/0x390 # [ 50.801284] ksys_write+0x68/0xe0 # [ 50.804980] do_syscall_64+0x33/0x40 # [ 50.808958] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.814586] RIP: 0033:0x7f3dc4006f33 # [ 50.818574] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 54.425114] lkdtm: Performing direct entry EXEC_VMALLOC 9 54 24 18 # [ 50.839540] RSP: 002b:00007ffcbc5ba168 EFLAGS: [ 54.431908] lkdtm: attempting ok execution at ffffffffafab1d00 00000246 ORIG_RAX: 0000000000000001 # [ 50.847992] RAX: fffff[ 54.444585] lkdtm: attempting bad execution at ffffb64d0063f000 fffffffffda RBX: 000000000000001a RCX: 00007f3dc4006f33 # [ 5[ 54.457414] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.471981] BUG: unable to handle page fault for address: ffffb64d0063f000 [ 54.479659] #PF: supervisor instruction fetch in kernel mode [ 54.485978] #PF: error_code(0x0011) - permissions violation 0.[855958] RDX: 000000000000001a RSI: 00007f3dc3ef7000 RDI: 00000 54.492198] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10554f067 PTE 8000000102775063 [ 54.507455] Oops: 0011 [#8] SMP PTI [ 54.511335] CPU: 1 PID: 1738 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 54.519981] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.526784] RIP: 0010:0xffffb64d0063f000 [ 54.531160] Code: Unable to access opcode bytes at RIP 0xffffb64d0063efd6. [ 54.538837] RSP: 0018:ffffb64d022bfe38 EFLAGS: 00010246 [ 54.544675] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.552641] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 54.560609] RBP: ffffb64d0063f000 R08: 0000000000000000 R09: 0000000000000000 [ 54.568576] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.576541] R13: ffffb64d022bff10 R14: ffffb64d022bff10 R15: ffff9b8b82775000 [ 54.584507] FS: 00007fec5dd34580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 54.593543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.599957] CR2: ffffb64d0063efd6 CR3: 0000000105672004 CR4: 00000000003706e0 [ 54.607923] Call Trace: [ 54.610652] ? execute_location+0x48/0x56 00000000001 # [ 50.863924] RBP: 00007f3dc3ef7000 R08: 00007f3[ 54.615127] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.626004] ? direct_entry.cold+0x2c/0x38 [ 54.630576] ? full_proxy_write+0x56/0x80 [ 54.635048] ? vfs_write+0xea/0x390 [ 54.638937] ? ksys_write+0x68/0xe0 [ 54.642828] ? do_syscall_64+0x33/0x40 [ 54.647011] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 dc3ef6010 R09: 0000000000000000 # [ 50.871890] R10: 00007f3dc[ 54.652843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.685478] CR2: ffffb64d0063f000 [ 54.689174] ---[ end trace 5b234276589fd038 ]--- [ 54.694326] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.698702] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 54.719703] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 54.725534] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.733502] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 54.741468] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 54.749437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.757405] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 54.765373] FS: 00007fec5dd34580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 54.774410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.780826] CR2: ffffb64d0063efd6 CR3: 0000000105672004 CR4: 00000000003706e0 41011c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.879856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.887825] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.914273] ---[ end trace 5b234276589fd033 ]--- # [ 50.925636] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.930010] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 50.950986] RSP: 0018:ffffb64d01[ 54.859390] lkdtm: Performing direct entry EXEC_RODATA [ 54.869127] lkdtm: attempting ok execution at ffffffffafab1d00 [ 54.875649] lkdtm: attempting bad execution at ffffffffb06d9f00 [ 54.882263] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.890649] BUG: unable to handle page fault for address: ffffffffb06d9f00 [ 54.898326] #PF: supervisor instruction fetch in kernel mode [ 54.904644] #PF: error_code(0x0011) - permissions violation [ 54.910862] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 8000000119c000e1 407e60 EFLAGS: 00010286 # [ 50.956816] RAX: ffffffffafab1930 [ 54.918643] Oops: 0011 [#9] SMP PTI [ 54.928746] CPU: 2 PID: 1774 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 54.937393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.944198] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 54.949934] Code: ff ff f7 92 0f b0 ff ff ff ff 62 06 ac b0 ff ff ff ff ad 7a 0f b0 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 [ 54.970912] RSP: 0018:ffffb64d02407e48 EFLAGS: 00010246 [ 54.976744] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.984711] RDX: 0000000000000000 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 54.992729] RBP: ffffffffb06d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 55.000696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.008674] R13: ffffb64d02407f10 R14: ffffb64d02407f10 R15: ffff9b8b831fe000 [ 55.016644] FS: 00007f4b88ce5580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 55.025679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.032091] CR2: ffffffffb06d9f00 CR3: 000000010276e004 CR4: 00000000003706e0 [ 55.040056] Call Trace: [ 55.042781] ? execute_location+0x48/0x56 [ 55.047246] ? direct_entry.cold+0x2c/0x38 [ 55.051808] ? full_proxy_write+0x56/0x80 [ 55.056281] ? vfs_write+0xea/0x390 [ 55.060170] ? ksys_write+0x68/0xe0 [ 55.064062] ? do_syscall_64+0x33/0x40 [ 55.068263] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.074087] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.964782] RD[ 55.100540] CR2: ffffffffb06d9f00 [ 55.110447] ---[ end trace 5b234276589fd039 ]--- [ 55.115601] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.119969] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 55.140939] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 55.146771] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.154741] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 55.162728] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 55.170687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.178676] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 55.186645] FS: 00007f4b88ce5580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 55.195682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.202087] CR2: ffffffffb06d9f00 CR3: 000000010276e004 CR4: 00000000003706e0 X: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 50.972747] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 50.980714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.988680] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 50.996664] FS: 00007f3dc40de580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 51.005706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.018334] CR2: ffffb64d01918000 CR3: 0000000105250001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.083726] lkdtm: Performing direct entry UNSET_SMEP # [ 51.094135] lkdtm: trying to clear SMEP normally # [ 51.099293] ------------[ cut here ]------------ # [ 51.110656] pinned CR4 bits changed: 0x100000!? # [ 51.121972] WARNING: CPU: 1 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 51.138367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffe[ 55.321016] lkdtm: Performing direct entry EXEC_USERSPACE [ 55.328000] lkdtm: attempting ok execution at ffffffffafab1d00 [ 55.334526] lkdtm: attempting bad execution at 00007f12797f0000 [ 55.341150] unable to execute userspace code (SMEP?) (uid: 0) [ 55.347571] BUG: unable to handle page fault for address: 00007f12797f0000 [ 55.355249] #PF: supervisor instruction fetch in kernel mode [ 55.361566] #PF: error_code(0x0011) - permissions violation [ 55.367787] PGD 8000000103050067 P4D 8000000103050067 PUD 103092067 PMD 104005067 PTE 10e8d2067 [ 55.377505] Oops: 0011 [#10] SMP PTI [ 55.381493] CPU: 3 PID: 1810 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 55.390140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.396945] RIP: 0010:0x7f12797f0000 [ 55.400922] Code: Unable to access opcode bytes at RIP 0x7f12797effd6. [ 55.408209] RSP: 0018:ffffb64d024a7e50 EFLAGS: 00010246 [ 55.414040] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.422006] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 55.429973] RBP: 00007f12797f0000 R08: 0000000000000000 R09: 0000000000000000 [ 55.437939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 55.445906] R13: ffffb64d024a7f10 R14: ffffb64d024a7f10 R15: ffff9b8b83130000 [ 55.453873] FS: 00007f12797c1580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 55.462909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.469321] CR2: 00007f12797f0000 CR3: 00000001034b6005 CR4: 00000000003706e0 [ 55.477289] Call Trace: [ 55.480017] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 55.485364] ? direct_entry.cold+0x2c/0x38 [ 55.489936] ? full_proxy_write+0x56/0x80 [ 55.494409] ? vfs_write+0xea/0x390 [ 55.498298] ? ksys_write+0x68/0xe0 [ 55.502189] ? do_syscall_64+0x33/0x40 [ 55.506369] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.512202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify r kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_[ 55.538645] CR2: 00007f12797f0000 [ 55.548553] ---[ end trace 5b234276589fd03a ]--- [ 55.553707] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.558101] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 55.579078] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 55.584908] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.592876] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 55.600844] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 55.608810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.616778] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 55.624745] FS: 00007f12797c1580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 55.633780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.640194] CR2: 00007f12797f0000 CR3: 00000001034b6005 CR4: 00000000003706e0 [ 55.648164] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.658066] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1810, name: cat [ 55.666518] INFO: lockdep is turned off. [ 55.670892] irq event stamp: 0 [ 55.674297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.681295] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.690420] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.699553] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.706550] CPU: 3 PID: 1810 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 55.715197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.722000] Call Trace: [ 55.724734] dump_stack+0x77/0x97 [ 55.728431] ___might_sleep.cold+0xa6/0xb6 [ 55.733001] exit_signals+0x1c/0x2d0 [ 55.736988] do_exit+0xd5/0xb00 [ 55.740488] ? ksys_write+0x68/0xe0 [ 55.744379] rewind_stack_do_exit+0x17/0x20 [ 55.749044] RIP: 0033:0x7f12796e9f33 [ 55.753031] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.774010] RSP: 002b:00007ffe9f33d0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.782457] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f12796e9f33 [ 55.790425] RDX: 000000000000000f RSI: 00007f12795da000 RDI: 0000000000000001 [ 55.798392] RBP: 00007f12795da000 R08: 00007f12795d9010 R09: 0000000000000000 [ 55.806360] R10: 00007f12797e41c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.814329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.170999] CPU: 1 PID: 1123 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 51.185861] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.192678] RIP: 0010:native_write_cr4+0x41/0x60 # [ 51.204045] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 68 fd 9f b0 c6 05 cc d8 c3 01 01 e8 85 c7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 51.225048] RSP: 0018:ffffb64d019afe48 EFLAGS: 00010286 # [ 51.237093] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.251276] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 51.259244] RBP: ffffffffb0ac02ed R08: 0000000000000000 R09: 000000[ 55.901247] lkdtm: Performing direct entry EXEC_NULL 0000000000 # [ 51.267203] R10: 00000000ffffe000 R11: 3fffffff[ 55.908688] lkdtm: attempting ok execution at ffffffffafab1d00 [ 55.921437] lkdtm: attempting bad execution at 0000000000000000 ffffffff R12: 000000000000000b # [ 51.275163] R13: ffffb64d01[ 55.928067] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.942043] #PF: supervisor instruction fetch in kernel mode [ 55.948359] #PF: error_code(0x0010) - not-present page [ 55.954092] PGD 0 P4D 0 [ 55.956916] Oops: 0010 [#11] SMP PTI [ 55.960905] CPU: 2 PID: 1846 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 55.969545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.976348] RIP: 0010:0x0 [ 55.979267] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.986943] RSP: 0018:ffffb64d0251fe48 EFLAGS: 00010246 [ 55.992774] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.000739] RDX: 0000000000000000 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 56.008708] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.016676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.024644] R13: ffffb64d0251ff10 R14: ffffb64d0251ff10 R15: ffff9b8b857ab000 [ 56.032603] FS: 00007ffafd805580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 56.041640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.048046] CR2: ffffffffffffffd6 CR3: 00000001028d0005 CR4: 00000000003706e0 [ 56.056013] Call Trace: [ 56.058740] execute_location+0x48/0x56 [ 56.063019] direct_entry.cold+0x2c/0x38 [ 56.067397] full_proxy_write+0x56/0x80 [ 56.071678] vfs_write+0xea/0x390 [ 56.075375] ksys_write+0x68/0xe0 [ 56.079071] do_syscall_64+0x33/0x40 [ 56.083060] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.088698] RIP: 0033:0x7ffafd72df33 [ 56.092686] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.113674] RSP: 002b:00007fffbeb917f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.122118] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ffafd72df33 [ 56.130086] RDX: 000000000000000a RSI: 00007ffafd61e000 RDI: 0000000000000001 [ 56.138054] RBP: 00007ffafd61e000 R08: 00007ffafd61d010 R09: 0000000000000000 [ 56.146022] R10: 00007ffafd8281c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.153990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.161959] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.188418] CR2: 0000000000000000 [ 56.192106] ---[ end trace 5b234276589fd03b ]--- [ 56.197261] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.201636] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 56.222614] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 56.228447] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.236414] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 56.244382] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 56.252351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.260319] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 56.268288] FS: 00007ffafd805580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 56.277323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.283737] CR2: ffffffffffffffd6 CR3: 00000001028d0005 CR4: 00000000003706e0 9aff10 R14: ffffb64d019aff10 R15: ffff9b8b852aa000 # [ 51.283123] FS: 00007ff00f252580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 51.292166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.304799] CR2: 00007ff00f06b000 CR3: 00000001034b8002 CR4: 00000000003706e0 # [ 51.318984] Call Trace: # [ 51.327947] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 51.339006] direct_entry.cold+0x2c/0x38 # [ 51.349621] full_proxy_write+0x56/0x80 # [ 51.360116] vfs_write+0xea/0x390 # [ 51.363817] ksys_write+0x68/0xe0 # [ 51.373752] do_syscall_64+0x33/0x40 # [ 51.383959] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.395809] RIP: 0033:0x7ff00f17af33 # [ 51.399799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.426986] RSP: 002b:00007fff782e5cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.435443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff00f17af3[ 56.396141] lkdtm: Performing direct entry ACCESS_USERSPACE 3 # [ 51.449622] RDX: 000000000000000b RSI: 00007ff00f06b000 [ 56.403622] lkdtm: attempting bad read at 00007fea1f7fe000 RDI: 0000000000000001 # [ 51.457592] RBP: 00007ff00f06b000 R0[ 56.415962] BUG: unable to handle page fault for address: 00007fea1f7fe000 [ 56.429833] #PF: supervisor read access in kernel mode [ 56.435567] #PF: error_code(0x0001) - permissions violation [ 56.441787] PGD 80000001034a6067 P4D 80000001034a6067 PUD 1029a4067 PMD 10276c067 PTE 10daf8067 [ 56.451507] Oops: 0001 [#12] SMP PTI [ 56.455494] CPU: 0 PID: 1881 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 56.464143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.470950] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 56.477176] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 13 ac b0 e8 55 9d fd ff 48 c7 c7 a8 13 ac b0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c 9d fd ff 48 89 ee 48 c7 c7 d0 13 ac [ 56.498157] RSP: 0018:ffffb64d02587e48 EFLAGS: 00010246 [ 56.503989] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 56.511958] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffffffffb0ac13a8 [ 56.519926] RBP: 00007fea1f7fe000 R08: 0000000000000000 R09: 0000000000000000 [ 56.527893] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 56.535860] R13: ffffb64d02587f10 R14: ffffb64d02587f10 R15: ffff9b8b83830000 [ 56.543829] FS: 00007fea1f7cf580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 56.552866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.559280] CR2: 00007fea1f7fe000 CR3: 00000001030b8005 CR4: 00000000003706f0 [ 56.567247] Call Trace: [ 56.569974] direct_entry.cold+0x2c/0x38 [ 56.574357] full_proxy_write+0x56/0x80 [ 56.578638] vfs_write+0xea/0x390 [ 56.582334] ksys_write+0x68/0xe0 [ 56.586030] do_syscall_64+0x33/0x40 [ 56.590016] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.595674] RIP: 0033:0x7fea1f6f7f33 [ 56.599674] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.620677] RSP: 002b:00007ffeeff48838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.629133] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fea1f6f7f33 [ 56.637102] RDX: 0000000000000011 RSI: 00007fea1f5e8000 RDI: 0000000000000001 [ 56.645071] RBP: 00007fea1f5e8000 R08: 00007fea1f5e7010 R09: 0000000000000000 [ 56.653040] R10: 00007fea1f7f21c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.661007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.668978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.695412] CR2: 00007fea1f7fe000 [ 56.699100] ---[ end trace 5b234276589fd03c ]--- [ 56.704246] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.708620] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 56.729601] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 56.735433] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.743403] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 56.751371] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 56.759340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.767308] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 56.775278] FS: 00007fea1f7cf580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 [ 56.784314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.790735] CR2: 00007fea1f7fe000 CR3: 00000001030b8005 CR4: 00000000003706f0 [ 56.798704] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.808615] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1881, name: cat [ 56.817068] INFO: lockdep is turned off. [ 56.821444] irq event stamp: 0 [ 56.824848] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.831846] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.840980] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.850114] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.857113] CPU: 0 PID: 1881 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 56.865754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.872557] Call Trace: [ 56.875284] dump_stack+0x77/0x97 [ 56.878983] ___might_sleep.cold+0xa6/0xb6 [ 56.883554] exit_signals+0x1c/0x2d0 [ 56.887542] do_exit+0xd5/0xb00 [ 56.891044] ? ksys_write+0x68/0xe0 [ 56.894936] rewind_stack_do_exit+0x17/0x20 [ 56.899604] RIP: 0033:0x7fea1f6f7f33 [ 56.903590] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.924573] RSP: 002b:00007ffeeff48838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.933028] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fea1f6f7f33 [ 56.940997] RDX: 0000000000000011 RSI: 00007fea1f5e8000 RDI: 0000000000000001 [ 56.948966] RBP: 00007fea1f5e8000 R08: 00007fea1f5e7010 R09: 0000000000000000 [ 56.956934] R10: 00007fea1f7f21c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.964902] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8: 00007ff00f06a010 R09: 0000000000000000 # [ 51.465561] R10: 00007ff00f2751c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.473530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.481502] irq event stamp: 0 # [ 51.491123] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.498125] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.513468] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.522603] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.535810] ---[ end trace 5b234276589fd034 ]--- # [ 51.540956] lkdtm: ok: SMEP did not get cleared # [ 51.546013] lkdtm: trying to clear SMEP with call gadget # [ 51.551943] 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 # [ 51.616525] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.625095] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 51.723857] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.735469] 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 # [ 51.802781] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.810143] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LO[ 57.124450] lkdtm: Performing direct entry ACCESS_NULL [ 57.134043] lkdtm: attempting bad read at 0000000000000000 [ 57.140230] BUG: kernel NULL pointer dereference, address: 0000000000000000 A[D_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNA 57.148015] #PF: supervisor read access in kernel mode [ 57.159974] #PF: error_code(0x0000) - not-present page [ 57.165709] PGD 0 P4D 0 [ 57.168534] Oops: 0000 [#13] SMP PTI [ 57.172522] CPU: 2 PID: 1916 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 57.181170] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.187976] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 LIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE[ 57.193227] Code: f9 9c fd ff be 00 10 00 00 48 89 ef e8 d6 c7 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 80 13 ac b0 e8 d3 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 13 ac b0 48 01 [ 57.220419] RSP: 0018:ffffb64d02627e58 EFLAGS: 00010246 [ 57.226243] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 57.234210] RDX: 0000000000000000 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 57.242178] RBP: ffffffffb0ac0471 R08: 0000000000000000 R09: 0000000000000000 [ 57.250145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.258112] R13: ffffb64d02627f10 R14: ffffb64d02627f10 R15: ffff9b8b840fb000 [ 57.266078] FS: 00007f84d530c580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 57.275114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.281526] CR2: 0000000000000000 CR3: 0000000103244005 CR4: 00000000003706e0 [ 57.289494] Call Trace: [ 57.292221] direct_entry.cold+0x2c/0x38 [ 57.296598] full_proxy_write+0x56/0x80 [ 57.300878] vfs_write+0xea/0x390 [ 57.304573] ksys_write+0x68/0xe0 [ 57.308271] do_syscall_64+0x33/0x40 [ 57.312257] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.317896] RIP: 0033:0x7f84d5234f33 [ 57.321873] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.342851] RSP: 002b:00007ffc1fc7a848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.351303] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f84d5234f33 [ 57.359271] RDX: 000000000000000c RSI: 00007f84d5125000 RDI: 0000000000000001 [ 57.367238] RBP: 00007f84d5125000 R08: 00007f84d5124010 R09: 0000000000000000 [ 57.375206] R10: 00007f84d532f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.383175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.391146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory[ 57.417591] CR2: 0000000000000000 [ 57.427500] ---[ end trace 5b234276589fd03d ]--- [ 57.432676] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.437050] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 57.458028] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 57.463859] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.471828] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 57.479796] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 57.487764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.495732] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 57.503699] FS: 00007f84d530c580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 57.512737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.519150] CR2: 0000000000000000 CR3: 0000000103244005 CR4: 00000000003706e0 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 # [ 51.948801] lkdtm: Performing direct entry READ_AFTER_FREE # [ 51.960678] lkdtm: Value in memory before free: 12345678 # [ 51.966627] lkdtm: Attempting bad read from freed memory # [ 51.978763] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.124[ 57.606703] lkdtm: Performing direct entry WRITE_RO 689] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ [ 57.613410] lkdtm: attempting bad rodata write at ffffffffb06d9ef0 52.133078] lkdtm: Value in memory before free: 12345678 # [ [ 57.626532] BUG: unable to handle page fault for address: ffffffffb06d9ef0 [ 57.640418] #PF: supervisor write access in kernel mode 52.139020] lkdtm: Attempting to read from freed memory # [ 52[ 57.646252] #PF: error_code(0x0003) - permissions violation [ 57.658684] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 8000000119c000e1 .144867] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_[ 57.666461] Oops: 0003 [#14] SMP PTI [ 57.676677] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 57.685325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.692132] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm:[ 57.697091] Code: 00 48 c7 c7 60 12 ac b0 48 c7 c6 f0 9e 6d b0 e8 75 9f fd ff 48 8b 05 f8 20 5e 00 ba 34 12 cd ab 48 c7 c7 90 12 ac b0 48 31 d0 <48> 89 05 e2 20 5e 00 e9 53 9f fd ff 0f 1f 44 00 00 48 8b 05 09 45 [ 57.724288] RSP: 0018:ffffb64d02597e60 EFLAGS: 00010202 [ 57.730121] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.738091] RDX: 00000000abcd1234 RSI: ffff9b8bfac9bf70 RDI: ffffffffb0ac1290 [ 57.746059] RBP: ffffffffb0ac047d R08: 0000000000000000 R09: 0000000000000000 [ 57.754028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.761996] R13: ffffb64d02597f10 R14: ffffb64d02597f10 R15: ffff9b8b830b8000 [ 57.769965] FS: 00007f66d2a3b580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 57.779002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.785417] CR2: ffffffffb06d9ef0 CR3: 0000000105d30002 CR4: 00000000003706e0 [ 57.793384] Call Trace: [ 57.796112] direct_entry.cold+0x2c/0x38 [ 57.800492] full_proxy_write+0x56/0x80 READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FRE[ 57.804775] vfs_write+0xea/0x390 [ 57.814686] ksys_write+0x68/0xe0 [ 57.818384] do_syscall_64+0x33/0x40 [ 57.822373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.828003] RIP: 0033:0x7f66d2963f33 [ 57.831990] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.852976] RSP: 002b:00007ffdbc034c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.861432] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f66d2963f33 [ 57.869402] RDX: 0000000000000009 RSI: 00007f66d2854000 RDI: 0000000000000001 [ 57.877371] RBP: 00007f66d2854000 R08: 00007f66d2853010 R09: 0000000000000000 [ 57.885340] R10: 00007f66d2a5e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.893311] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 E_DOUBLE.sh # [ 52.228165] lkdtm: Performing direct entry SLA[ 57.901284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.933927] CR2: ffffffffb06d9ef0 [ 57.937624] ---[ end trace 5b234276589fd03e ]--- [ 57.942778] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.947155] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 57.968132] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 57.973967] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.981937] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 57.989908] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 57.997879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.005849] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 58.013818] FS: 00007f66d2a3b580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 58.022854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.029270] CR2: ffffffffb06d9ef0 CR3: 0000000105d30002 CR4: 00000000003706e0 [ 58.037239] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.047150] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1951, name: cat [ 58.055604] INFO: lockdep is turned off. [ 58.059980] irq event stamp: 0 [ 58.063384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.070383] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.079518] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.088671] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.095680] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 58.104327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.111131] Call Trace: [ 58.113858] dump_stack+0x77/0x97 B_FREE_DOUBLE # [ 52.236899] lkdtm: Attempting double slab fr[ 58.117557] ___might_sleep.cold+0xa6/0xb6 [ 58.128342] exit_signals+0x1c/0x2d0 [ 58.132321] do_exit+0xd5/0xb00 [ 58.135824] ? ksys_write+0x68/0xe0 [ 58.139734] rewind_stack_do_exit+0x17/0x20 [ 58.144401] RIP: 0033:0x7f66d2963f33 [ 58.148390] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.169372] RSP: 002b:00007ffdbc034c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.177828] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f66d2963f33 [ 58.185796] RDX: 0000000000000009 RSI: 00007f66d2854000 RDI: 0000000000000001 [ 58.193764] RBP: 00007f66d2854000 R08: 00007f66d2853010 R09: 0000000000000000 [ 58.201732] R10: 00007f66d2a5e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.209700] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ee ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 52.327108] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.335467] 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 # [ 52.470081] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.478084] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # [ 58.298470] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: [ 58.311214] lkdtm: attempting bad ro_after_init write at ffffffffb0b3c328 Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP [ 58.325034] BUG: unable to handle page fault for address: ffffffffb0b3c328 [ 58.338902] #PF: supervisor write access in kernel mode # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs th[ 58.344736] #PF: error_code(0x0003) - permissions violation e [system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftes 58.357169] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 104be7063 PTE 800000011a13c061 [ 58.372425] Oops: 0003 [#15] SMP PTI [ 58.376413] CPU: 1 PID: 1986 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 58.385064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.391873] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a ts: lkdtm: EXEC_DATA.sh # Killed # [ 52.717536] lkdtm: Perfo[ 58.397904] Code: 12 ac b0 e9 27 9f fd ff 48 c7 c7 e8 12 ac b0 e8 1b 9f fd ff 48 8b 05 d6 44 a4 00 ba 34 12 cd ab 48 c7 c7 90 12 ac b0 48 31 d0 <48> 89 05 c0 44 a4 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.425101] RSP: 0018:ffffb64d02707e60 EFLAGS: 00010202 [ 58.430934] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.438905] RDX: 00000000abcd1234 RSI: ffff9b8bfac9bf70 RDI: ffffffffb0ac1290 [ 58.446875] RBP: ffffffffb0ac0486 R08: 0000000000000000 R09: 0000000000000000 [ 58.454843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.462812] R13: ffffb64d02707f10 R14: ffffb64d02707f10 R15: ffff9b8b8120c000 [ 58.470780] FS: 00007f9c43837580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 58.479818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.486232] CR2: ffffffffb0b3c328 CR3: 0000000103134002 CR4: 00000000003706e0 [ 58.494202] Call Trace: [ 58.496928] direct_entry.cold+0x2c/0x38 [ 58.501299] full_proxy_write+0x56/0x80 rming direct entry EXEC_DATA # [ 52.725350] lkdtm: attempting[ 58.505580] vfs_write+0xea/0x390 [ 58.515491] ksys_write+0x68/0xe0 [ 58.519191] do_syscall_64+0x33/0x40 [ 58.523179] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.528818] RIP: 0033:0x7f9c4375ff33 [ 58.532807] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.553783] RSP: 002b:00007fffd8807998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.562239] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f9c4375ff33 [ 58.570208] RDX: 0000000000000014 RSI: 00007f9c43650000 RDI: 0000000000000001 [ 58.578177] RBP: 00007f9c43650000 R08: 00007f9c4364f010 R09: 0000000000000000 [ 58.586148] R10: 00007f9c4385a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.594118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ok execution at ffffffffafab1d00 # [ 52.738081] lkdtm: attem[ 58.602091] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.634736] CR2: ffffffffb0b3c328 [ 58.638433] ---[ end trace 5b234276589fd03f ]--- [ 58.643587] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.647962] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 58.668946] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 58.674780] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.682748] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 58.690729] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 58.698699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.706676] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 58.714645] FS: 00007f9c43837580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 58.723681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.730096] CR2: ffffffffb0b3c328 CR3: 0000000103134002 CR4: 00000000003706e0 pting bad execution at ffffffffb21b3560 # [ 52.750890] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.759274] BUG: unable to handle page fault for address: ffffffffb21b3560 # [ 52.766951] #PF: supervisor instruction fetch in kernel mode # [ 52.773266] #PF: error_code(0x0011) - permissions violation # [ 52.779486] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 800000011b6000e3 # [ 52.787282] Oops: 0011 [#5] SMP PTI # [ 52.791171] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 52.799818] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.806623] RIP: 0010:data_area+0x0/0x40 # [ 52.810998] Code: ff ff 00 52 54 84 8b 9b ff ff 00 51 54 84 8b 9b 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> 1[ 58.815741] lkdtm: Performing direct entry WRITE_KERN [ 58.824542] lkdtm: attempting bad 6578290 byte write at ffffffffb00f7d72 [ 58.832062] BUG: unable to handle page fault for address: ffffffffb00f7d72 [ 58.839753] #PF: supervisor write access in kernel mode [ 58.845589] #PF: error_code(0x0003) - permissions violation f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 #[ 58.851810] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 1196000e1 [ 58.865124] Oops: 0003 [#16] SMP PTI [ 58.869112] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 58.877752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.884558] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 58.889727] Code: 53 48 c7 c3 72 7d 0f b0 49 89 dc 48 89 da 49 81 ec 00 1d ab af 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1d ab af a4 48 c7 c7 90 12 ac b0 e8 b3 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 58.910729] RSP: 0018:ffffb64d0277fe50 EFLAGS: 00010246 [ 58.916561] RAX: 000000000000003c RBX: ffffffffb00f7d72 RCX: 0000000000646072 [ 58.924529] RDX: 0000000000000000 RSI: ffffffffafab1d00 RDI: ffffffffb00f7d72 [ 58.932499] RBP: ffffffffb0ac049a R08: 0000000000000000 R09: 0000000000000000 [ 58.940469] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646072 [ 58.948438] R13: ffffb64d0277ff10 R14: ffffb64d0277ff10 R15: ffff9b8b8401a000 [ 58.956407] FS: 00007fd0c28df580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 58.965445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.971860] CR2: ffffffffb00f7d72 CR3: 0000000103870003 CR4: 00000000003706e0 [ 58.979828] Call Trace: [ 58.982555] direct_entry.cold+0x2c/0x38 [ 58.986935] full_proxy_write+0x56/0x80 [ 58.991215] vfs_write+0xea/0x390 [ 58.994911] ksys_write+0x68/0xe0 [ 58.998609] do_syscall_64+0x33/0x40 [ 59.002590] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.008230] RIP: 0033:0x7fd0c2807f33 [ 59.012208] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.033190] RSP: 002b:00007fff0b6bab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.041644] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd0c2807f33 [ 59.049613] RDX: 000000000000000b RSI: 00007fd0c26f8000 RDI: 0000000000000001 [ 59.057580] RBP: 00007fd0c26f8000 R08: 00007fd0c26f7010 R09: 0000000000000000 [ 59.065549] R10: 00007fd0c29021c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.073518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.081488] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.831975] RSP: 0018:ffffb64d021e7e48 EFLAGS: 00010246 # [[ 59.107936] CR2: ffffffffb00f7d72 [ 59.117845] ---[ end trace 5b234276589fd040 ]--- [ 59.122992] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.127367] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 59.148347] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 [ 59.154178] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.162145] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 [ 59.170114] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 [ 59.178082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.186051] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 [ 59.194021] FS: 00007fd0c28df580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 59.203057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.209471] CR2: ffffffffb00f7d72 CR3: 0000000103870003 CR4: 00000000003706e0 [ 59.217439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.227351] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2021, name: cat [ 59.235804] INFO: lockdep is turned off. [ 59.240179] irq event stamp: 0 [ 59.243584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.250585] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.259730] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.268865] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.275862] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 59.284511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.291314] Call Trace: [ 59.294042] dump_stack+0x77/0x97 [ 59.297738] ___might_sleep.cold+0xa6/0xb6 [ 59.302310] exit_signals+0x1c/0x2d0 [ 59.306296] do_exit+0xd5/0xb00 [ 59.309799] ? ksys_write+0x68/0xe0 [ 59.313682] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 59.319126] rewind_stack_do_exit+0x17/0x20 [ 59.323792] RIP: 0033:0x7fd0c2807f33 [ 59.327777] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.348758] RSP: 002b:00007fff0b6bab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.357214] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd0c2807f33 [ 59.365184] RDX: 000000000000000b RSI: 00007fd0c26f8000 RDI: 0000000000000001 [ 59.373151] RBP: 00007fd0c26f8000 R08: 00007fd0c26f7010 R09: 0000000000000000 [ 59.381121] R10: 00007fd0c29021c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.389089] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 52.837807] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.845775] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 # [ 52.853742] RBP: ffffffffb21b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 52.861723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.869691] R13: ffffb64d021e7f10 R14: ffffb64d021e7f10 R15: ffff9b8b8401d000 # [ 52.877675] FS: 00007efc69a95580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 52.886719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.893132] CR2: ffffffffb21b3560 CR3: 00000001034d2001 CR4: 00000000003706f0 # [ 52.901098] Call Trace: # [ 52.903826] ? execute_location+0x48/0x56 # [ 52.908305] ? direct_entry.cold+0x2c/0x38 # [ 52.912868] ? full_proxy_write+0x56/0x80 # [ 52.917342] ? vfs_write+0xea/0x390 # [ 52.921231] ? ksys_write+0x68/0xe0 # [ 52.925120] ? do_syscall_64+0x33/0x40 # [ 52.929302] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.935136] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.961559] CR2: ffffffffb21b3560 # [ 52.965246] ---[ end trace 5b234276589fd035 ]--- # [ 52.970399] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.974774] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c[ 59.546035] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> [ 59.553071] lkdtm: attempting good refcount_inc() without overflow 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 [ 59.566169] lkdtm: attempting bad refcount_inc() overflow # [ 52.995749] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 59.578402] ------------[ cut here ]------------ [ 53.001579] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: [ 59.589792] refcount_t: saturated; leaking memory. 0000000000000000 # [ 53.009547] RDX: 0000000000000000 RSI: ff[ 59.601380] WARNING: CPU: 0 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 53.017515] RBP: ffff[ 59.616870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ [ 59.649548] CPU: 0 PID: 2056 Comm: cat Tainted: G D W 5.10.131-cip13 #1 53.025479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 59.664400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000004 # [ 53.033446] R13: ffffb64d01407f10 R14: ffffb6[ 59.677461] RIP: 0010:refcount_warn_saturate+0x49/0xf0 4d01407f10 R15: ffff9b8b8274c000 # [ 53.041411] FS: 00007efc[ 59.689377] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 69a95580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000[ 59.716616] RSP: 0018:ffffb64d02817e48 EFLAGS: 00010286 # [ 53.050443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 59.728689] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 033 # [ 53.056857] CR2: ffffffffb21b3560 CR3: 00000001034d200[ 59.742905] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 [ 59.757079] RBP: ffffffffb0ac04a5 R08: 0000000000000000 R09: 0000000000000000 1 CR4: 00000000003706f0 # [ 53.064825] BUG: sleeping function[ 59.765086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 called from invalid context at include/linux/percpu-rwsem.h:49[ 59.779279] R13: ffffb64d02817f10 R14: ffffb64d02817f10 R15: ffff9b8b8520e000 # [ 53.074733] in_atomic(): 0, irqs_disabled(): 1, non_block:[ 59.793431] FS: 00007f83b792c580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 0, pid: 1630, name: cat # [ 53.083184] INFO: lockdep is turn[ 59.808704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ed off. # [ 53.087558] irq event stamp: 0 # [ 53.090962] h[ 59.821324] CR2: 00007f83b7745000 CR3: 0000000103242005 CR4: 00000000003706f0 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53[ 59.835536] Call Trace: .097964] hardirqs last disabled at (0): [] cop[ 59.844533] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 y_process+0x63c/0x1c80 # [ 53.107095] softirqs last enabled [ 59.856065] direct_entry.cold+0x2c/0x38 at (0): [] copy_process+0x63c/0x1c80 # [ 53[ 59.866697] full_proxy_write+0x56/0x80 .116226] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 59.877172] vfs_write+0xea/0x390 # [ 53.123222] CPU: 0 PID: 1630 Comm: cat Tainted: G D [ 59.887091] ksys_write+0x68/0xe0 W 5.10.131-cip13 #1 # [ 53.131868] Hardware name: Goo[ 59.896990] do_syscall_64+0x33/0x40 gle Rammus/Rammus, BIOS 09/04/2020 # [ 53.138667] Call Trace[ 59.907223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 : # [ 53.141395] dump_stack+0x77/0x97 # [ 53.145098] ___[ 59.919061] RIP: 0033:0x7f83b7854f33 might_sleep.cold+0xa6/0xb6 # [ 53.149668] exit_signals+0x1c/[ 59.929269] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0x2d0 # [ 53.153647] do_exit+0xd5/0xb00 # [ 53.157148] ?[ 59.956472] RSP: 002b:00007ffd35ab8298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ksys_write+0x68/0xe0 # [ 53.161038] rewind_stack_do_exit+0x[ 59.971161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f83b7854f33 17/0x20 # [ 53.165695] RIP: 0033:0x7efc699bdf33 # [ 53.169[ 59.985363] RDX: 0000000000000016 RSI: 00007f83b7745000 RDI: 0000000000000001 681] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 59.999551] RBP: 00007f83b7745000 R08: 00007f83b7744010 R09: 0000000000000000 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 60.013735] R10: 00007f83b794f1c0 R11: 0000000000000246 R12: 0000000000000001 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 60.027933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 89 54 24 18 # [ 53.190655] RSP: 002b:00007ffe2fe592c8 EFLAGS[ 60.042115] irq event stamp: 0 : 00000246 ORIG_RAX: 0000000000000001 # [ 53.199108] RAX: fff[ 60.051789] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffda RBX: 000000000000000a RCX: 00007efc699bdf33 # [ [ 60.064975] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 53.207073] RDX: 000000000000000a RSI: 00007efc698ae000 RDI: 000[ 60.080342] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0000000000001 # [ 53.215040] RBP: 00007efc698ae000 R08: 00007[ 60.095700] softirqs last disabled at (0): [<0000000000000000>] 0x0 efc698ad010 R09: 0000000000000000 # [ 53.223005] R10: 00007ef[ 60.108936] ---[ end trace 5b234276589fd041 ]--- c69ab81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.[ 60.120294] lkdtm: Overflow detected: saturated 230970] 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 # [ 53.321828] lkdtm: Performing direct entry EXEC_STACK # [ 53.331613] lkdtm: attempting ok execution at ffffffffafab1d00 # [ 53.344341] lkdtm: attempting bad execution at ffffb64d0228fe18 # [ 53.357167] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.371760] BUG: unable to handle page fault for address: ffffb64d0228fe18 # [ 53.379428] #PF: supervisor instruction fetch in kernel mode # [ 53.385737] #PF: error_code(0x0011) - permissions violation # [ 53.391971] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104793067 PTE 800000010381e063 # [ 53.407225] Oops: 0011 [#6] SMP PTI # [ 53.411107] CPU: 1 PID: 1666 Comm: cat Tainted: G D W [ 60.218316] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 5.10.131-cip13 #1 # [ 53.419756] Hardware name: Googl[ 60.225294] lkdtm: attempting good refcount_add() without overflow e Rammus/Rammus, BIOS 09/04/2020 # [ 53.426560] RIP: 0010:0x[ 60.238422] lkdtm: attempting bad refcount_add() overflow ffffb64d0228fe18 # [ 53.430935] Code: 00 00 18 fe 28 02 4d b6[ 60.250680] ------------[ cut here ]------------ ff ff cb 7d 0f b0 ff ff ff ff 20 00 00 00 00 00 00 00 16 04 ac [ 60.262013] refcount_t: saturated; leaking memory. b0 ff ff ff ff f7 7e 0f b0 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e[ 60.273636] WARNING: CPU: 0 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.451916] RSP[ 60.289189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0018:ffffb64d0228fdf8 EFLAGS: 00010246 # [ 53.457740] RAX: [ 60.321833] CPU: 0 PID: 2088 Comm: cat Tainted: G D W 5.10.131-cip13 #1 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.336702] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.465707] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: [ 60.349772] RIP: 0010:refcount_warn_saturate+0x49/0xf0 ffff9b8bfac9bf70 # [ 53.473695] RBP: ffffb64d0228fe18 R08: 00[ 60.361729] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 00000000000000 R09: 0000000000000000 # [ 53.481676] R10: 0000[ 60.388970] RSP: 0018:ffffb64d028a7e48 EFLAGS: 00010286 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ [ 60.401009] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 53.489645] R13: ffffb64d0228ff10 R14: ffffb64d0228ff10 R15: ffff[ 60.415225] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 9b8b84051000 # [ 53.497637] FS: 00007f248fd07580(0000) GS:ff[ 60.429458] RBP: ffffffffb0ac04bb R08: 0000000000000000 R09: 0000000000000000 ff9b8bfac80000(0000) knlGS:0000000000000000 # [ 53.506675] CS[ 60.443611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.513087[ 60.457834] R13: ffffb64d028a7f10 R14: ffffb64d028a7f10 R15: ffff9b8b83320000 ] CR2: ffffb64d0228fe18 CR3: 00000001051c6005 CR4: 0000000000370[ 60.472007] FS: 00007f86c048a580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 6e0 # [ 53.521054] Call Trace: # [ 53.523781] ? execute_l[ 60.487324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ocation+0x48/0x56 # [ 53.528255] ? lkdtm_EXEC_STACK+0x26/0x4[ 60.499911] CR2: 00007f86c02a3000 CR3: 00000001029d4002 CR4: 00000000003706f0 0 # [ 53.538940] ? direct_entry.cold+0x2c/0x38 # [ 53.543[ 60.514105] Call Trace: 512] ? full_proxy_write+0x56/0x80 # [ 53.547988] ? vfs_writ[ 60.523047] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 e+0xea/0x390 # [ 53.558089] ? ksys_write+0x68/0xe0 # [ 53[ 60.534625] direct_entry.cold+0x2c/0x38 .561980] ? do_syscall_64+0x33/0x40 # [ 53.566163] ? entry_S[ 60.545197] full_proxy_write+0x56/0x80 YSCALL_64_after_hwframe+0x44/0xa9 # [ 53.571997] Modules link[ 60.555737] vfs_write+0xea/0x390 ed in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indus[ 60.565618] ksys_write+0x68/0xe0 trialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cr[ 60.575549] do_syscall_64+0x33/0x40 os_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub[ 60.585753] entry_SYSCALL_64_after_hwframe+0x44/0xa9 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.60[ 60.597633] RIP: 0033:0x7f86c03b2f33 4635] CR2: ffffb64d0228fe18 # [ 53.608331] ---[ end trace 5b2[ 60.607830] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 34276589fd036 ]--- # [ 53.613477] RIP: 0010:lkdtm_BUG+0x5/0x1[ 60.635053] RSP: 002b:00007fffcedff098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 # [ 53.617853] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48[ 60.649706] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f86c03b2f33 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc [ 60.663893] RDX: 0000000000000016 RSI: 00007f86c02a3000 RDI: 0000000000000001 cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 60.678068] RBP: 00007f86c02a3000 R08: 00007f86c02a2010 R09: 0000000000000000 44 00 00 83 05 e0 1b 70 02 # [ 53.638834] RSP: 0018:ffffb64d[ 60.692262] R10: 00007f86c04ad1c0 R11: 0000000000000246 R12: 0000000000000001 01407e60 EFLAGS: 00010286 # [ 53.644675] RAX: ffffffffafab193[ 60.706445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.652644] [ 60.720649] irq event stamp: 0 RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a7[ 60.730253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 53.660613] RBP: ffffffffb0b1b680 R08: 0000000000000001 [ 60.743474] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 R09: 0000000000000001 # [ 53.668581] R10: 00000000ffffe000 R1[ 60.758827] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1: 3fffffffffffffff R12: 0000000000000004 # [ 53.676548] R13:[ 60.774190] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 #[ 60.787401] ---[ end trace 5b234276589fd042 ]--- [ 53.684516] FS: 00007f248fd07580(0000) GS:ffff9b8bfac80000([ 60.798781] lkdtm: Overflow detected: saturated 0000) knlGS:0000000000000000 # [ 53.693552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.699966] CR2: ffffb64d0228fe18 CR3: 00000001051c6005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.781028] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.788373] lkdtm: attempting ok execution at ffffffffafab1d00 # [ 53.801122] lkdtm: attempting bad execution at ffff9b8b834be0c0 # [ 53.813955] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.828505] BUG: unable to handle page fault for address: ffff9b8b834be0c0 # [ 53.836179] #PF: supervisor instruction fetch in kernel mode # [ 53.842495] #PF: error_code(0x0011) - permissions violation # [ 53.848726] PGD 11b[ 60.886333] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 60.898415] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 60.905320] ------------[ cut here ]------------ [ 60.910478] refcount_t: saturated; leaking memory. [ 60.915856] WARNING: CPU: 3 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 801067 P4D 11b801067 PUD 10004e063 PMD 105214063 PTE 80000001034[ 60.925198] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.957826] CPU: 3 PID: 2120 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 60.966501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.973308] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 60.979046] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b [ 61.000031] RSP: 0018:ffffb64d028ffe38 EFLAGS: 00010282 [ 61.005868] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.013840] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 61.021812] RBP: ffffffffb0ac00f8 R08: 0000000000000000 R09: 0000000000000000 [ 61.029784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.037754] R13: ffffb64d028fff10 R14: ffffb64d028fff10 R15: ffff9b8b8322c000 [ 61.045728] FS: 00007f1c6cd6c580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 61.054767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.061176] CR2: 00007f1c6cb85000 CR3: 00000001031fc002 CR4: 00000000003706e0 [ 61.069149] Call Trace: [ 61.071905] __refcount_add_not_zero.constprop.0+0x2a/0x31 be163 # [ 53.857762] Oops: 0011 [#7] SMP PTI # [ 53.861674[ 61.078064] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 ] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.13[ 61.090498] direct_entry.cold+0x2c/0x38 1-cip13 #1 # [ 53.870320] Hardware name: Google Rammus/Rammus[ 61.101090] full_proxy_write+0x56/0x80 , BIOS 09/04/2020 # [ 53.877122] RIP: 0010:0xffff9b8b834be0c[ 61.111584] vfs_write+0xea/0x390 [ 61.121497] ksys_write+0x68/0xe0 [ 61.125196] do_syscall_64+0x33/0x40 [ 61.129187] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.134853] RIP: 0033:0x7f1c6cc94f33 [ 61.138842] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.159850] RSP: 002b:00007ffcee6271b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 # [ 53.881498] Code: 00 00 02 00 00 00 00 00 00 00 c0 e9 4b[ 61.168313] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1c6cc94f33 [ 61.182489] RDX: 000000000000001f RSI: 00007f1c6cb85000 RDI: 0000000000000001 [ 61.190461] RBP: 00007f1c6cb85000 R08: 00007f1c6cb84010 R09: 0000000000000000 [ 61.198433] R10: 00007f1c6cd8f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.206403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.214377] irq event stamp: 0 [ 61.217785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.224788] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.233925] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.243061] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.250062] ---[ end trace 5b234276589fd043 ]--- [ 61.255218] lkdtm: Overflow detected: saturated 83 8b 9b ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 2f af ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.902474] RSP: 0018:ffffb64d0231fe38 EFLAGS: 00010246 # [ 53.908304] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.916270] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 # [ 53.924236] RBP: ffff9b8b834be0c0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.932203] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.940167] R13: ffffb64d0231ff10 R14: ffffb64d0231ff10 R15: ffff9b8b834db000 # [ 53.948135] FS: 00007f3756c7e580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 53.957168] CS: 0010 DS: 000[ 61.329910] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 0 ES: 0000 CR0: 0000000080050033 # [ 53.963581] CR2: ffff9b8b[ 61.342514] lkdtm: attempting bad refcount_add_not_zero() overflow 834be0c0 CR3: 0000000105cac001 CR4: 00000000003706f0 # [ 53.9[ 61.355633] ------------[ cut here ]------------ 71548] Call Trace: # [ 53.974276] ? execute_location+0x48/0x[ 61.366999] refcount_t: saturated; leaking memory. 56 # [ 53.978754] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.9[ 61.378578] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 83420] ? direct_entry.cold+0x2c/0x38 # [ 53.987990] ? full_[ 61.394113] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify proxy_write+0x56/0x80 # [ 53.992462] ? vfs_write+0xea/0x390[ 61.426755] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 53.996352] ? ksys_write+0x68/0xe0 # [ 54.000244] ? d[ 61.441658] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 o_syscall_64+0x33/0x40 # [ 54.004424] ? entry_SYSCALL_64_aft[ 61.454667] RIP: 0010:refcount_warn_saturate+0x87/0xf0 er_hwframe+0x44/0xa9 # [ 54.010258] Modules linked in: fuse i[ 61.466629] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b p_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigg[ 61.493831] RSP: 0018:ffffb64d0299fe38 EFLAGS: 00010282 ered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightba[ 61.505885] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 r cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp[ 61.520074] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 _thermal cros_ec_dev cros_usbpd_notify # [ 54.036687] CR2: ff[ 61.534264] RBP: ffffffffb0ac0118 R08: 0000000000000000 R09: 0000000000000000 ff9b8b834be0c0 # [ 54.040384] ---[ end trace 5b234276589fd037[ 61.548455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ]--- # [ 54.045536] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.0[ 61.562644] R13: ffffb64d0299ff10 R14: ffffb64d0299ff10 R15: ffff9b8b85cb7000 49912] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff [ 61.576833] FS: 00007fc9086f6580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 61.592090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 61.604735] CR2: 00007fc90850f000 CR3: 0000000103244003 CR4: 00000000003706e0 05 e0 1b 70 02 # [ 54.070886] RSP: 0018:ffffb64d01407e60 EFLA[ 61.618923] Call Trace: GS: 00010286 # [ 54.076719] RAX: ffffffffafab1930 RBX: 000000[ 61.627873] __refcount_add_not_zero.constprop.0+0x2a/0x31 0000000001 RCX: 0000000000000000 # [ 54.084684] RDX: 00000000[ 61.640216] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 00000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 54.0[ 61.652680] direct_entry.cold+0x2c/0x38 92652] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 00000000[ 61.663278] full_proxy_write+0x56/0x80 00000001 # [ 54.100618] R10: 00000000ffffe000 R11: 3fffffffff[ 61.673773] vfs_write+0xea/0x390 [ 61.683689] ksys_write+0x68/0xe0 ffffff R12: 0000000000000004 # [ 54.108586] R13: ffffb64d0140[ 61.687392] do_syscall_64+0x33/0x40 [ 61.697591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 7f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 54.11655[ 61.703257] RIP: 0033:0x7fc90861ef33 [ 61.713455] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1] FS: 00007f3756c7e580(0000) GS:ffff9b8bfac00000(0000) knlGS:0[ 61.734437] RSP: 002b:00007ffe0285b798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.749102] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc90861ef33 [ 61.757076] RDX: 000000000000001f RSI: 00007fc90850f000 RDI: 0000000000000001 [ 61.765048] RBP: 00007fc90850f000 R08: 00007fc90850e010 R09: 0000000000000000 [ 61.773019] R10: 00007fc9087191c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.780990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 54.125586] CS: 0010 DS: 0000 ES: 0000 CR[ 61.788956] irq event stamp: 0 [ 61.798607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0: 0000000080050033 # [ 54.131999] CR2: ffff9b8b834be0c0 CR3:[ 61.805614] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000000105cac001 CR4: 00000000003706f0 # [ 54.139965] BUG: s[ 61.820962] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.836316] softirqs last disabled at (0): [<0000000000000000>] 0x0 leeping function called from invalid context at include/linux/pe[ 61.843320] ---[ end trace 5b234276589fd044 ]--- [ 61.854688] lkdtm: Overflow detected: saturated rcpu-rwsem.h:49 # [ 54.149873] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat # [ 54.158324] INFO: lockdep is turned off. # [ 54.162699] irq event stamp: 0 # [ 54.166102] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.173101] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.182233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.191363] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.198359] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 54.207004] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.213805] Call Trace: # [ 54.216532] dump_stack+0x77/0x97 # [ 54.220232] ___might_sleep.cold+0xa6/0xb6 # [ 54.224804] exit_signals+0x1c/0x2d0 # [ 54.228793] do_exit+0xd5/0xb00 # [[ 61.943490] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 61.953087] lkdtm: attempting good refcount_dec() [ 61.958343] lkdtm: attempting bad refcount_dec() to zero 54.232295] ? ksys_write+0x68/0xe0 # [ 54.236186] rewind_[ 61.964285] ------------[ cut here ]------------ [ 61.975652] refcount_t: decrement hit 0; leaking memory. stack_do_exit+0x17/0x20 # [ 54.240844] RIP: 0033:0x7f3756ba6f[ 61.981599] WARNING: CPU: 2 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 61.997127] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 33 # [ 54.244831] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c[ 62.023591] CPU: 2 PID: 2184 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 62.038447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.045254] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 62.050990] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 62.071969] RSP: 0018:ffffb64d02a17e48 EFLAGS: 00010286 [ 62.077804] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 62.085774] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 62.093744] RBP: ffffffffb0ac04d1 R08: 0000000000000000 R09: 0000000000000000 [ 62.101724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 62.109693] R13: ffffb64d02a17f10 R14: ffffb64d02a17f10 R15: ffff9b8b857ac000 [ 62.117676] FS: 00007f977dacf580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 62.126717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.139346] CR2: 00007f977d8e8000 CR3: 00000001034fa004 CR4: 00000000003706e0 [ 62.147317] Call Trace: [ 62.150048] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 62.155041] direct_entry.cold+0x2c/0x38 [ 62.159420] full_proxy_write+0x56/0x80 [ 62.163716] vfs_write+0xea/0x390 [ 62.167446] ksys_write+0x68/0xe0 [ 62.171145] do_syscall_64+0x33/0x40 [ 62.175136] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.180777] RIP: 0033:0x7f977d9f7f33 [ 62.184766] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.205745] RSP: 002b:00007ffd38344608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.214203] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f977d9f7f33 [ 62.222172] RDX: 0000000000000012 RSI: 00007f977d8e8000 RDI: 0000000000000001 [ 62.230140] RBP: 00007f977d8e8000 R08: 00007f977d8e7010 R09: 0000000000000000 [ 62.238100] R10: 00007f977daf21c0 R11: 0000000000000246 R12: 0000000000000001 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 62.246064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 48 83 ec 28 48 89 54 24 18 # [ 54.265807] RSP: 002b:00007ff[ 62.260252] irq event stamp: 0 [ 62.269874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.276909] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.286080] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.295246] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.302246] ---[ end trace 5b234276589fd045 ]--- [ 62.307408] lkdtm: Zero detected: saturated f220636b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.274259] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3756ba6f33 # [ 54.282225] RDX: 000000000000000d RSI: 00007f3756a97000 RDI: 0000000000000001 # [ 54.290195] RBP: 00007f3756a97000 R08: 00007f3756a96010 R09: 0000000000000000 # [ 54.298162] R10: 00007f3756ca11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.306129] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.425114] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.431908] lkdtm: attempting ok execution at ffffffffafab1d00 # [ 54.444585] lkdtm: attempting bad execution at ffffb64d0063f000 # [ 54.457414] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ [ 62.395189] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 62.405825] lkdtm: attempting bad refcount_dec() below zero [ 62.412057] ------------[ cut here ]------------ [ 62.417219] refcount_t: decrement hit 0; leaking memory. [ 62.423179] WARNING: CPU: 3 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 54.471981] BUG: unable to handle page fault for address: ffffb6[ 62.432519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.465158] CPU: 3 PID: 2219 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 62.473809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.480615] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 62.486353] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 62.507335] RSP: 0018:ffffb64d02ac7e48 EFLAGS: 00010286 [ 62.513169] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 62.521138] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 4d0063f000 # [ 54.479659] #PF: supervisor instruction fetch i[ 62.529107] RBP: ffffffffb0ac04e3 R08: 0000000000000000 R09: 0000000000000000 n kernel mode # [ 54.485978] #PF: error_code(0x0011) - permis[ 62.543294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.557479] R13: ffffb64d02ac7f10 R14: ffffb64d02ac7f10 R15: ffff9b8b85c8c000 [ 62.565450] FS: 00007f9ad5f2a580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 62.574489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.580905] CR2: 00007f9ad5d43000 CR3: 0000000105344003 CR4: 00000000003706e0 [ 62.588876] Call Trace: [ 62.591608] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 62.596991] direct_entry.cold+0x2c/0x38 [ 62.601402] full_proxy_write+0x56/0x80 [ 62.605687] vfs_write+0xea/0x390 [ 62.609385] ksys_write+0x68/0xe0 [ 62.613084] do_syscall_64+0x33/0x40 [ 62.617075] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.622726] RIP: 0033:0x7f9ad5e52f33 [ 62.626729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.647728] RSP: 002b:00007ffe87524e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.656186] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9ad5e52f33 [ 62.664159] RDX: 0000000000000016 RSI: 00007f9ad5d43000 RDI: 0000000000000001 [ 62.672129] RBP: 00007f9ad5d43000 R08: 00007f9ad5d42010 R09: 0000000000000000 [ 62.680099] R10: 00007f9ad5f4d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.688070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.696043] irq event stamp: 0 [ 62.699475] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.706477] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.715614] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.724750] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.731750] ---[ end trace 5b234276589fd046 ]--- [ 62.736905] lkdtm: Negative detected: saturated sions violation # [ 54.492198] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10554f067 PTE 8000000102775063 # [ 54.507455] Oops: 0011 [#8] SMP PTI # [ 54.511335] CPU: 1 PID: 1738 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 54.519981] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.526784] RIP: 0010:0xffffb64d0063f000 # [ 54.531160] Code: Unable to access opcode bytes at RIP 0xffffb64d0063efd6. # [ 54.538837] RSP: 0018:ffffb64d022bfe38 EFLAGS: 00010246 # [ 54.544675] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.552641] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 54.560609] RBP: ffffb64d0063f000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.568576] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 62.817074] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 62.830405] lkdtm: attempting bad refcount_dec_and_test() below zero [ 62.837539] ------------[ cut here ]------------ 00000000d # [ 54.576541] R13: ffffb64d022bff10 R14: ffffb64d0[ 62.842705] refcount_t: underflow; use-after-free. 22bff10 R15: ffff9b8b82775000 # [ 54.584507] FS: 00007fec5dd[ 62.854282] WARNING: CPU: 3 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 62.869814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 34580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 62.896279] CPU: 3 PID: 2254 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 62.911161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.593543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 62.917984] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 62.929925] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 [ 62.950905] RSP: 0018:ffffb64d02b4fe40 EFLAGS: 00010286 [ 62.956737] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 62.964699] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 62.972688] RBP: ffffffffb0ac0138 R08: 0000000000000000 R09: 0000000000000000 [ 62.980677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.988646] R13: ffffb64d02b4ff10 R14: ffffb64d02b4ff10 R15: ffff9b8b83582000 [ 62.996607] FS: 00007f7cd6984580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 63.005646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.012061] CR2: 00007f7cd679d000 CR3: 00000001028d0003 CR4: 00000000003706e0 [ 63.020023] Call Trace: [ 63.022751] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 63.028879] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 63.035101] direct_entry.cold+0x2c/0x38 [ 63.039480] full_proxy_write+0x56/0x80 [ 63.043762] vfs_write+0xea/0x390 [ 63.047460] ksys_write+0x68/0xe0 [ 63.051158] do_syscall_64+0x33/0x40 [ 63.055148] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.060790] RIP: 0033:0x7f7cd68acf33 [ 63.064780] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.085762] RSP: 002b:00007ffe571b12b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.094218] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cd68acf33 [ 63.102189] RDX: 000000000000001f RSI: 00007f7cd679d000 RDI: 0000000000000001 [ 63.110161] RBP: 00007f7cd679d000 R08: 00007f7cd679c010 R09: 0000000000000000 [ 63.118133] R10: 00007f7cd69a71c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.126104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.599957] CR2: ffffb64d0063efd6 CR3: 0000000105672004 C[ 63.134079] irq event stamp: 0 [ 63.143696] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R4: 00000000003706e0 # [ 54.607923] Call Trace: # [ 54.610[ 63.150701] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.166052] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.175219] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.182220] ---[ end trace 5b234276589fd047 ]--- [ 63.187377] lkdtm: Negative detected: saturated 652] ? execute_location+0x48/0x56 # [ 54.615127] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.626004] ? direct_entry.cold+0x2c/0x38 # [ 54.630576] ? full_proxy_write+0x56/0x80 # [ 54.635048] ? vfs_write+0xea/0x390 # [ 54.638937] ? ksys_write+0x68/0xe0 # [ 54.642828] ? do_syscall_64+0x33/0x40 # [ 54.647011] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.652843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.685478] CR2: ffffb64d0063f000 # [ 54.689174] ---[ end trace 5b234276589fd038 ]--- # [ 54.694326] RIP: 001[ 63.265119] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 63.274647] lkdtm: attempting bad refcount_sub_and_test() below zero [ 63.281760] ------------[ cut here ]------------ [ 63.286927] refcount_t: underflow; use-after-free. [ 63.292314] WARNING: CPU: 2 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0:lkdtm_BUG+0x5/0x10 # [ 54.698702] Code: 59 a5 ff 48 c7 c0 e[ 63.301655] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.334291] CPU: 2 PID: 2289 Comm: cat Tainted: G D W 5.10.131-cip13 #1 a ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb[ 63.342975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.355991] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 63.361733] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 [ 63.382731] RSP: 0018:ffffb64d02bc7e40 EFLAGS: 00010286 [ 63.388571] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 63.396546] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 63.404521] RBP: ffffffffb0ac0158 R08: 0000000000000000 R09: 0000000000000000 [ 63.412494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 63.420467] R13: ffffb64d02bc7f10 R14: ffffb64d02bc7f10 R15: ffff9b8b831f4000 [ 63.434653] FS: 00007fd2f027e580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 63.443696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.450126] CR2: 00007fd2f0097000 CR3: 0000000103eb8001 CR4: 00000000003706e0 [ 63.458098] Call Trace: [ 63.460829] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 63.466982] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 63.473207] direct_entry.cold+0x2c/0x38 [ 63.477588] full_proxy_write+0x56/0x80 [ 63.481895] vfs_write+0xea/0x390 [ 63.485594] ksys_write+0x68/0xe0 [ 63.489295] do_syscall_64+0x33/0x40 [ 63.493285] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.498925] RIP: 0033:0x7fd2f01a6f33 [ 63.502914] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.523900] RSP: 002b:00007ffcf6159848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.532358] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd2f01a6f33 [ 63.540330] RDX: 000000000000001f RSI: 00007fd2f0097000 RDI: 0000000000000001 [ 63.548301] RBP: 00007fd2f0097000 R08: 00007fd2f0096010 R09: 0000000000000000 [ 63.556272] R10: 00007fd2f02a11c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.564261] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.572233] irq event stamp: 0 [ 63.575642] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.582645] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.591810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.600946] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.607945] ---[ end trace 5b234276589fd048 ]--- [ 63.613098] lkdtm: Negative detected: saturated 0 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 54.719703] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 54.725534] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.733502] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 54.741468] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 54.749437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.757405] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 54.765373] FS: 00007fec5dd34580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 54.774410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.780826] CR2: ffffb64d0063efd6 CR3: 0000000105672004 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests:[ 63.696426] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 63.705328] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 63.712488] lkdtm: Good: zero detected lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # K[ 63.716705] lkdtm: Correctly stayed at zero illed # [ 54.859390] lkdtm: Performing direct entry EXEC_RODA[ 63.727568] lkdtm: attempting bad refcount_inc() from zero [ 63.739905] ------------[ cut here ]------------ TA # [ 54.869127] lkdtm: attempting ok execution at ffffffffa[ 63.745061] refcount_t: addition on 0; use-after-free. [ 63.757039] WARNING: CPU: 2 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 fab1d00 # [ 54.875649] lkdtm: attempting bad execution at fff[ 63.766378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.799035] CPU: 2 PID: 2321 Comm: cat Tainted: G D W 5.10.131-cip13 #1 fffffb06d9f00 # [ 54.882263] kernel tried to execute NX-prote[ 63.807700] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.820731] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 63.826470] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d [ 63.847453] RSP: 0018:ffffb64d02c7fe48 EFLAGS: 00010286 [ 63.853287] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 63.861248] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 [ 63.869216] RBP: ffffffffb0ac04f9 R08: 0000000000000000 R09: 0000000000000000 [ 63.877186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.885156] R13: ffffb64d02c7ff10 R14: ffffb64d02c7ff10 R15: ffff9b8b831d1000 [ 63.893126] FS: 00007f0735c30580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 [ 63.902165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.908581] CR2: 00007f0735a49000 CR3: 000000010404a006 CR4: 00000000003706e0 [ 63.916542] Call Trace: [ 63.919272] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 63.924234] direct_entry.cold+0x2c/0x38 [ 63.928614] full_proxy_write+0x56/0x80 [ 63.932896] vfs_write+0xea/0x390 [ 63.936595] ksys_write+0x68/0xe0 [ 63.940294] do_syscall_64+0x33/0x40 [ 63.944284] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.949925] RIP: 0033:0x7f0735b58f33 [ 63.953913] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.974892] RSP: 002b:00007ffc4eb39728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.983347] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0735b58f33 [ 63.991318] RDX: 0000000000000012 RSI: 00007f0735a49000 RDI: 0000000000000001 [ 63.999289] RBP: 00007f0735a49000 R08: 00007f0735a48010 R09: 0000000000000000 [ 64.007260] R10: 00007f0735c531c0 R11: 0000000000000246 R12: 0000000000000001 cted page - exploit attempt? (uid: 0) # [ 54.890649] BUG: una[ 64.015235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.029418] irq event stamp: 0 ble to handle page fault for address: ffffffffb06d9f00 # [ 54[ 64.032829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.046040] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.055176] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.064312] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.071311] ---[ end trace 5b234276589fd049 ]--- [ 64.076465] lkdtm: Zero detected: saturated .898326] #PF: supervisor instruction fetch in kernel mode # [ 54.904644] #PF: error_code(0x0011) - permissions violation # [ 54.910862] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 8000000119c000e1 # [ 54.918643] Oops: 0011 [#9] SMP PTI # [ 54.928746] CPU: 2 PID: 1774 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 54.937393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.944198] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.949934] Code: ff ff f7 92 0f b0 ff ff ff ff 62 06 ac b0 ff ff ff ff ad 7a 0f b0 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 # [ 54.970912] RSP: 0018:ffffb64d02407e48 EFLAGS: 00010246 # [ 54.976744] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000[ 64.156945] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 64.168294] lkdtm: attempting safe refcount_add_not_zero() from zero [ 64.175395] lkdtm: Good: zero detected [ 64.179581] lkdtm: Correctly stayed at zero [ 64.184249] lkdtm: attempting bad refcount_add() from zero [ 64.190366] ------------[ cut here ]------------ [ 64.195519] refcount_t: addition on 0; use-after-free. [ 64.201275] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 000 # [ 54.984711] RDX: 0000000000000000 RSI: ffff9b8bfad1bf7[ 64.210618] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.243255] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 64.251906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.258730] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 64.264469] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d [ 64.285450] RSP: 0018:ffffb64d02cffe48 EFLAGS: 00010286 [ 64.291288] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 0 RDI: ffff9b8bfad1bf70 # [ 54.992729] RBP: ffffffffb06d9f00 [ 64.299261] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 64.313450] RBP: ffffffffb0ac050b R08: 0000000000000000 R09: 0000000000000000 [ 64.321453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.329426] R13: ffffb64d02cfff10 R14: ffffb64d02cfff10 R15: ffff9b8b8308e000 [ 64.337400] FS: 00007f1b03148580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 64.346440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.352864] CR2: 00007f1b02f61000 CR3: 00000001053a0006 CR4: 00000000003706e0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.000696] R1[ 64.360868] Call Trace: [ 64.369806] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 64.374801] direct_entry.cold+0x2c/0x38 [ 64.379185] full_proxy_write+0x56/0x80 [ 64.383500] vfs_write+0xea/0x390 [ 64.387204] ksys_write+0x68/0xe0 [ 64.390905] do_syscall_64+0x33/0x40 [ 64.394898] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.400542] RIP: 0033:0x7f1b03070f33 [ 64.404535] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.425523] RSP: 002b:00007fffff4fa7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.433982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1b03070f33 [ 64.441955] RDX: 0000000000000012 RSI: 00007f1b02f61000 RDI: 0000000000000001 [ 64.449928] RBP: 00007f1b02f61000 R08: 00007f1b02f60010 R09: 0000000000000000 [ 64.457902] R10: 00007f1b0316b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.465875] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.473853] irq event stamp: 0 [ 64.477290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.484294] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.493465] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.502602] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.509604] ---[ end trace 5b234276589fd04a ]--- [ 64.514761] lkdtm: Zero detected: saturated 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.008674] R13: ffffb64d02407f10 R14: ffffb64d02407f10 R15: ffff9b8b831fe000 # [ 55.016644] FS: 00007f4b88ce5580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 55.025679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.032091] CR2: ffffffffb06d9f00 CR3: 000000010276e004 CR4: 00000000003706e0 # [ 55.040056] Call Trace: # [ 55.042781] ? execute_location+0x48/0x56 # [ 55.047246] ? direct_entry.cold+0x2c/0x38 # [ 55.051808] ? full_proxy_write+0x56/0x80 # [ 55.056281] ? vfs_write+0xea/0x390 # [ 55.060170] ? ksys_write+0x68/0xe0 # [ 55.064062] ? do_syscall_64+0x33/0x40 # [ 55.068263] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 64.591492] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 55.074087] Modules linked in: fuse ip_tables cros_ec_sensors cro[ 64.600864] lkdtm: attempting bad refcount_inc() from saturated s_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust[ 64.613690] ------------[ cut here ]------------ rialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_de[ 64.625062] refcount_t: saturated; leaking memory. bugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_us[ 64.636648] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 bpd_notify # [ 55.100540] CR2: ffffffffb06d9f00 # [ 55.110[ 64.652181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 447] ---[ end trace 5b234276589fd039 ]--- # [ 55.115601] RIP:[ 64.684836] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.131-cip13 #1 0010:lkdtm_BUG+0x5/0x10 # [ 55.119969] Code: 59 a5 ff 48 c7 [ 64.699703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff f[ 64.712727] RIP: 0010:refcount_warn_saturate+0x49/0xf0 f eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f [ 64.724682] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 55.140[ 64.751884] RSP: 0018:ffffb64d02d4fe48 EFLAGS: 00010286 939] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 55.14677[ 64.763940] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 64.778130] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 1] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 000000000000[ 64.786105] RBP: ffffffffb0ac051d R08: 0000000000000000 R09: 0000000000000000 [ 64.800291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000 # [ 55.154741] RDX: 0000000000000000 RSI: ffff9b8bfac9bf[ 64.808266] R13: ffffb64d02d4ff10 R14: ffffb64d02d4ff10 R15: ffff9b8b8381e000 70 RDI: ffffffffb06d9a70 # [ 55.162728] RBP: ffffffffb0b1b680[ 64.822451] FS: 00007f5ad9a1e580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 64.837710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R08: 0000000000000001 R09: 0000000000000001 # [ 55.170687] R[ 64.844132] CR2: 00007f5ad9837000 CR3: 0000000105672001 CR4: 00000000003706e0 [ 64.858316] Call Trace: 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004[ 64.861052] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 55.178676] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R[ 64.872710] direct_entry.cold+0x2c/0x38 15: ffff9b8b8274c000 # [ 55.186645] FS: 00007f4b88ce5580(000[ 64.883308] full_proxy_write+0x56/0x80 0) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 55.19[ 64.893810] vfs_write+0xea/0x390 5682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 64.903729] ksys_write+0x68/0xe0 5.202087] CR2: ffffffffb06d9f00 CR3: 000000010276e004 CR4: 00000[ 64.913649] do_syscall_64+0x33/0x40 000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftes[ 64.923862] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ts: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh[ 64.935720] RIP: 0033:0x7f5ad9946f33 # Killed # [ 55.321016] lkdtm: Performing direct entry EXEC[ 64.945924] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _USERSPACE # [ 55.328000] lkdtm: attempting ok execution at f[ 64.973126] RSP: 002b:00007ffdff55ff68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffafab1d00 # [ 55.334526] lkdtm: attempting bad executio[ 64.987801] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5ad9946f33 n at 00007f12797f0000 # [ 55.341150] unable to execute usersp[ 65.001992] RDX: 0000000000000017 RSI: 00007f5ad9837000 RDI: 0000000000000001 ace code (SMEP?) (uid: 0) # [ 55.347571] BUG: unable to handl[ 65.016183] RBP: 00007f5ad9837000 R08: 00007f5ad9836010 R09: 0000000000000000 e page fault for address: 00007f12797f0000 # [ 55.355249] #PF[ 65.030373] R10: 00007f5ad9a411c0 R11: 0000000000000246 R12: 0000000000000001 : supervisor instruction fetch in kernel mode # [ 55.361566] [ 65.044565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #PF: error_code(0x0011) - permissions violation # [ 55.367787[ 65.058758] irq event stamp: 0 ] PGD 8000000103050067 P4D 8000000103050067 PUD 103092067 PMD 10[ 65.068381] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4005067 PTE 10e8d2067 # [ 55.377505] Oops: 0011 [#10] SMP PTI[ 65.081602] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.381493] CPU: 3 PID: 1810 Comm: cat Tainted: G D [ 65.096957] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 W 5.10.131-cip13 #1 # [ 55.390140] Hardware name: Goo[ 65.112311] softirqs last disabled at (0): [<0000000000000000>] 0x0 gle Rammus/Rammus, BIOS 09/04/2020 # [ 55.396945] RIP: 0010:[ 65.125531] ---[ end trace 5b234276589fd04b ]--- 0x7f12797f0000 # [ 55.400922] Code: Unable to access opcode b[ 65.136906] lkdtm: Saturation detected: still saturated ytes at RIP 0x7f12797effd6. # [ 55.408209] RSP: 0018:ffffb64d024a7e50 EFLAGS: 00010246 # [ 55.414040] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.422006] RDX: 0000000000000000 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 55.429973] RBP: 00007f12797f0000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.437939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.445906] R13: ffffb64d024a7f10 R14: ffffb64d024a7f10 R15: ffff9b8b83130000 # [ 55.453873] FS: 00007f12797c1580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 55.462909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.469321] CR2: 00007f12797f0000 CR3: 00000001034b6005 CR4: 00000000003706e0 # [ 55.477289] Call Trace: # [ 55.480017] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 55.485364] ? direct_entry.cold+0x2c/0x38 # [ 55.489936] ? full_proxy_write+0x56/0x80 # [ 55.494409] ? vfs_write+0xea/0x390 # [ 55.498298] ? ksys_write+0x68/0xe0 # [ 55.502189] ? do_syscall_64+0x33/0x40 # [ 55.506369] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.512202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.538645] CR2: 00007f12797f0000 # [ 55.548553] ---[ end trace 5b234276589fd03a ]--- # [ 55.553707] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.558101] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 55.579078] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 55.584908] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.592876] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 55.600844] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 55.608810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.616778] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 55.624745] FS: 00007f12797c1580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 55.633780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.640194] CR2: 00007f12797f0000 CR3: 00000001034b6005 CR4: 00000000003706e0 # [ 55.648164] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.658066] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1810, name: cat # [ 55.666518] INFO: lockdep is turned off. # [ 55.670892] irq event stamp: 0 # [ 55.674297] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.681295] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.690420] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.699553] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.706550] CPU: 3 PID: 1810 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 55.715197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.722000] Call Trace: # [ 55.724734] dump_stack+0x77/0x97 # [ 55.728431] ___might_sleep.cold+0xa6/0xb6 # [ 55.733001] exit_signals+0x1c/0x2d0 # [ 55.736988] do_exit+0xd5/0xb00 # [ 55.740488] ? ksys_write+0x68/0xe0 # [ 55.744379] rewind_stack_do_exit+0x17/0x20 # [ 55.749044] RIP: 0033:0x7f12796e9f33 # [ 55.753031] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.77[ 65.523961] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 65.536427] lkdtm: attempting bad refcount_dec() from saturated [ 65.543075] ------------[ cut here ]------------ 4010] RSP: 002b:00007ffe9f33d0a8 EFLAGS: 00000246 ORIG_RAX: 0000[ 65.548259] refcount_t: decrement hit 0; leaking memory. [ 65.560429] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 000000000001 # [ 55.782457] RAX: ffffffffffffffda RBX: 000000[ 65.569767] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.602406] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 65.611060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.617866] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 65.623604] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 65.644588] RSP: 0018:ffffb64d02e07e48 EFLAGS: 00010286 [ 65.650425] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 65.658400] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 65.666373] RBP: ffffffffb0ac0534 R08: 0000000000000000 R09: 0000000000000000 [ 65.674344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.682314] R13: ffffb64d02e07f10 R14: ffffb64d02e07f10 R15: ffff9b8b8299f000 [ 65.690277] FS: 00007f5ba570d580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 65.699317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.705734] CR2: 00007f5ba5526000 CR3: 00000001032b4005 CR4: 00000000003706e0 [ 65.713727] Call Trace: [ 65.716457] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 65.721929] direct_entry.cold+0x2c/0x38 [ 65.726309] full_proxy_write+0x56/0x80 [ 65.730593] vfs_write+0xea/0x390 [ 65.734292] ksys_write+0x68/0xe0 [ 65.737992] do_syscall_64+0x33/0x40 [ 65.741984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.747627] RIP: 0033:0x7f5ba5635f33 [ 65.751616] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.772604] RSP: 002b:00007fff394a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.781061] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5ba5635f33 [ 65.789027] RDX: 0000000000000017 RSI: 00007f5ba5526000 RDI: 0000000000000001 [ 65.796999] RBP: 00007f5ba5526000 R08: 00007f5ba5525010 R09: 0000000000000000 000000000f RCX: 00007f12796e9f33 # [ 55.790425] RDX: 00000000[ 65.804972] R10: 00007f5ba57301c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.819159] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000f RSI: 00007f12795da000 RDI: 0000000000000001 # [ 55.7[ 65.827135] irq event stamp: 0 [ 65.836751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.843754] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.852894] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.862032] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.869034] ---[ end trace 5b234276589fd04c ]--- [ 65.874189] lkdtm: Saturation detected: still saturated 98392] RBP: 00007f12795da000 R08: 00007f12795d9010 R09: 0000000000000000 # [ 55.806360] R10: 00007f12797e41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.814329] 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 # [ 55.901247] lkdtm: Performing direct entry EXEC_NULL # [ 55.908688] lkdtm: attempting ok execution at ffffffffafab1d00 # [ 55.921437] lkdtm: attempting bad execution at 0000000000000000 # [ 55.928067] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 55.942043] #PF: supervisor instruction fetch in kernel mode # [ 55.948359] #PF: error_code(0x0010) - not-present page # [ 55.954092] PGD 0 P4D 0 # [ 55.956916] Oops: [ 65.958726] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 0010 [#11] SMP PTI # [ 55.960905] CPU: 2 PID: 1846 Comm: cat [ 65.967666] lkdtm: attempting bad refcount_dec() from saturated Tainted: G D W 5.10.131-cip13 #1 # [ 55.969545] [ 65.980498] ------------[ cut here ]------------ Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.[ 65.991867] refcount_t: saturated; leaking memory. 976348] RIP: 0010:0x0 # [ 55.979267] Code: Unable to access o[ 66.003465] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 pcode bytes at RIP 0xffffffffffffffd6. # [ 55.986943] RSP: 00[ 66.018985] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 18:ffffb64d0251fe48 EFLAGS: 00010246 # [ 55.992774] RAX: 0000[ 66.051632] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.131-cip13 #1 000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ [ 66.066498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 56.000739] RDX: 0000000000000000 RSI: ffff9b8bfad1bf70 RDI: ffff[ 66.079523] RIP: 0010:refcount_warn_saturate+0x49/0xf0 9b8bfad1bf70 # [ 56.008708] RBP: 0000000000000000 R08: 000000[ 66.091479] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 0000000000 R09: 0000000000000000 # [ 56.016676] R10: 00000000[ 66.118683] RSP: 0018:ffffb64d02e9fe48 EFLAGS: 00010286 [ 66.130732] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.0[ 66.138726] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 66.152908] RBP: ffffffffb0ac054b R08: 0000000000000000 R09: 0000000000000000 [ 66.160880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.168855] R13: ffffb64d02e9ff10 R14: ffffb64d02e9ff10 R15: ffff9b8b853eb000 24644] R13: ffffb64d0251ff10 R14: ffffb64d0251ff10 R15: ffff9b8b[ 66.176828] FS: 00007f11245b2580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 857ab000 # [ 56.032603] FS: 00007ffafd805580(0000) GS:ffff9b[ 66.192083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.204731] CR2: 00007f11243cb000 CR3: 00000001050c6001 CR4: 00000000003706e0 [ 66.212702] Call Trace: 8bfad00000(0000) knlGS:0000000000000000 # [ 56.041640] CS: 0[ 66.215478] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.048046] CR[ 66.227141] direct_entry.cold+0x2c/0x38 2: ffffffffffffffd6 CR3: 00000001028d0005 CR4: 00000000003706e0[ 66.237737] full_proxy_write+0x56/0x80 [ 66.248236] vfs_write+0xea/0x390 # [ 56.056013] Call Trace: # [ 56.058740] execute_locatio[ 66.251936] ksys_write+0x68/0xe0 n+0x48/0x56 # [ 56.063019] direct_entry.cold+0x2c/0x38 # [ [ 66.261847] do_syscall_64+0x33/0x40 [ 66.272057] entry_SYSCALL_64_after_hwframe+0x44/0xa9 56.067397] full_proxy_write+0x56/0x80 # [ 56.071678] vfs_[ 66.277717] RIP: 0033:0x7f11244daf33 [ 66.287903] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 write+0xea/0x390 # [ 56.075375] ksys_write+0x68/0xe0 # [ [ 66.308891] RSP: 002b:00007ffd7baaaac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.323562] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f11244daf33 [ 66.331536] RDX: 0000000000000017 RSI: 00007f11243cb000 RDI: 0000000000000001 56.079071] do_syscall_64+0x33/0x40 # [ 56.083060] entry_SYS[ 66.339509] RBP: 00007f11243cb000 R08: 00007f11243ca010 R09: 0000000000000000 [ 66.353695] R10: 00007f11245d51c0 R11: 0000000000000246 R12: 0000000000000001 CALL_64_after_hwframe+0x44/0xa9 # [ 56.088698] RIP: 0033:0x7f[ 66.361666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.375867] irq event stamp: 0 fafd72df33 # [ 56.092686] Code: 8b 15 61 ef 0c 00 f7 d8 64 89[ 66.379279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 66.392498] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 66.407855] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.423210] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.430213] ---[ end trace 5b234276589fd04d ]--- 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.113674] RSP: 002b[ 66.435370] lkdtm: Saturation detected: still saturated :00007fffbeb917f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.122118] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ffafd72df33 # [ 56.130086] RDX: 000000000000000a RSI: 00007ffafd61e000 RDI: 0000000000000001 # [ 56.138054] RBP: 00007ffafd61e000 R08: 00007ffafd61d010 R09: 0000000000000000 # [ 56.146022] R10: 00007ffafd8281c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.153990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.161959] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.188418] CR2: 0000000000000000 # [ 56.192106] ---[ end trace 5b234276589fd03b ]--- # [ 56.197261] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.201636] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 56.222614] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 56.228447] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.236414] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 56.244382] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 56.252351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.260319] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 56.268288] FS: 00007ffafd805580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 56.277323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.283737] CR2: ffffffffffffffd6 CR3: 00000001028d0005 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 56.396141] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 56.403622] lkdtm: attempting bad read at 00007fea1f7fe000 # [ 56.415962] BUG: unable to handle page fault for address: 00007fea1f7fe000 # [ 56.429833] #PF: supervisor read access in kernel mode # [ 56.435567] #PF: error_code(0x0001) - permissions violation # [ 56.441787] PGD 80000001034a6067 P4D 80000001034a6067 PUD 1029a4067 PMD 10276c067 PTE 10daf8067 # [ 56.451507] Oops: 0001 [#12] SMP PTI # [ 56.455494] CPU: 0 PID: 1881 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 56.464143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.470950] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 56.477176] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 80 13 ac b0 e8 55 9d fd ff 48 c7 c7 a8 13 ac b0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3c 9d fd ff 48 89 ee 48 c7 c7 d0 13 ac # [ 56.498157] RSP: 0018:ffffb64d02587e48 EFLAGS: 00010246 # [ 56.503989] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 56.511958] RDX: 0000000000000000 RSI: ffff9b8bfac1bf70 RDI: ffffffffb0ac13a8 # [ 56.519926] RBP: 00007fea1f7fe000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.527893] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 56.535860] R13: ffffb64d02587f10 R14: ffffb64d02587f10 R15: ffff9b8b83830000 # [ 56.543829] FS: 00007fea1f7cf580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 56.552866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.559280] CR2: 00007fea1f7fe000 CR3: 00000001030b8005 CR4: 00000000003706f0 # [ 56.567247] Call Trace: # [ 56.569974] direct_entry.cold+0x2c/0x38 # [ 56.574357] full_proxy_write+0x56/0x80 # [ 56.578638] vfs_write+0xea/0x390 # [ 56.582334] ksys_write+0x68/0xe0 # [ 56.586030] do_syscall_64+0x33/0x40 # [ 56.590016] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.595674] RIP: 0033:0x7fea1f6f7f33 # [ 56.599674] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.620677] RSP: 002b:00007ffeeff48838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.629133] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fea1f6f7f33 # [ 56.637102] RDX: 0000000000000011 RSI: 00007fea1f5e8000 RDI: 0000000000000001 # [ 56.645071] RBP: 00007fea1f5e8000 R08: 00007fea1f5e7010 R09: 0000000000000000 # [ 56.653040] R10: 00007fea1f7f21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.661007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.668978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.69[ 66.938984] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 5412] CR2: 00007fea1f7fe000 # [ 56.699100] ---[ end trace 5b2[ 66.951159] lkdtm: attempting bad refcount_inc_not_zero() from saturated 34276589fd03c ]--- # [ 56.704246] RIP: 0010:lkdtm_BUG+0x5/0x1[ 66.964862] ------------[ cut here ]------------ 0 # [ 56.708620] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48[ 66.976231] refcount_t: saturated; leaking memory. c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc [ 66.987810] WARNING: CPU: 1 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 67.003347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 44 00 00 83 05 e0 1b 70 02 # [ 56.729601] RSP: 0018:ffffb64d[ 67.035993] CPU: 1 PID: 2490 Comm: cat Tainted: G D W 5.10.131-cip13 #1 01407e60 EFLAGS: 00010286 # [ 56.735433] RAX: ffffffffafab193[ 67.050859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.743403] [ 67.063887] RIP: 0010:refcount_warn_saturate+0x87/0xf0 RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a7[ 67.075844] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 0 # [ 56.751371] RBP: ffffffffb0b1b680 R08: 0000000000000001 [ 67.103048] RSP: 0018:ffffb64d02f1fe38 EFLAGS: 00010282 R09: 0000000000000001 # [ 56.759340] R10: 00000000ffffe000 R1[ 67.115103] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 1: 3fffffffffffffff R12: 0000000000000004 # [ 56.767308] R13:[ 67.129293] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 #[ 67.143484] RBP: ffffffffb0ac0178 R08: 0000000000000000 R09: 0000000000000000 [ 56.775278] FS: 00007fea1f7cf580(0000) GS:ffff9b8bfac00000([ 67.157680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000) knlGS:0000000000000000 # [ 56.784314] CS: 0010 DS: 000[ 67.171870] R13: ffffb64d02f1ff10 R14: ffffb64d02f1ff10 R15: ffff9b8b857b8000 0 ES: 0000 CR0: 0000000080050033 # [ 56.790735] CR2: 00007fea[ 67.186063] FS: 00007ff878db8580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 1f7fe000 CR3: 00000001030b8005 CR4: 00000000003706f0 # [ 56.7[ 67.201322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 98704] BUG: sleeping function called from invalid context at inc[ 67.213957] CR2: 00007ff878bd1000 CR3: 0000000102796003 CR4: 00000000003706e0 [ 67.228145] Call Trace: lude/linux/percpu-rwsem.h:49 # [ 56.808615] in_atomic(): 0, i[ 67.230879] __refcount_add_not_zero.constprop.0+0x2a/0x31 rqs_disabled(): 1, non_block: 0, pid: 1881, name: cat # [ 56.[ 67.243221] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 817068] INFO: lockdep is turned off. # [ 56.821444] irq event[ 67.255755] direct_entry.cold+0x2c/0x38 stamp: 0 # [ 56.824848] hardirqs last enabled at (0): [<000[ 67.266355] full_proxy_write+0x56/0x80 0000000000000>] 0x0 # [ 56.831846] hardirqs last disabled at [ 67.276856] vfs_write+0xea/0x390 [ 67.286772] ksys_write+0x68/0xe0 (0): [] copy_process+0x63c/0x1c80 # [ 56.84[ 67.290474] do_syscall_64+0x33/0x40 0980] softirqs last enabled at (0): [] copy_p[ 67.300690] entry_SYSCALL_64_after_hwframe+0x44/0xa9 rocess+0x63c/0x1c80 # [ 56.850114] softirqs last disabled at [ 67.312547] RIP: 0033:0x7ff878ce0f33 (0): [<0000000000000000>] 0x0 # [ 56.857113] CPU: 0 PID: 1881[ 67.322752] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ [ 67.349959] RSP: 002b:00007ffdc594f098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 56.865754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 67.364635] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff878ce0f33 # [ 56.872557] Call Trace: # [ 56.875284] dump_stack+0x7[ 67.378828] RDX: 0000000000000020 RSI: 00007ff878bd1000 RDI: 0000000000000001 7/0x97 # [ 56.878983] ___might_sleep.cold+0xa6/0xb6 # [ 5[ 67.393019] RBP: 00007ff878bd1000 R08: 00007ff878bd0010 R09: 0000000000000000 6.883554] exit_signals+0x1c/0x2d0 # [ 56.887542] do_exit+0x[ 67.407210] R10: 00007ff878ddb1c0 R11: 0000000000000246 R12: 0000000000000001 d5/0xb00 # [ 56.891044] ? ksys_write+0x68/0xe0 # [ 56.894[ 67.421399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 936] rewind_stack_do_exit+0x17/0x20 # [ 56.899604] RIP: 0033[ 67.435590] irq event stamp: 0 :0x7fea1f6f7f33 # [ 56.903590] Code: 8b 15 61 ef 0c 00 f7 d8 [ 67.445215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 67.458435] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 67.473791] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.924573] RSP:[ 67.489146] softirqs last disabled at (0): [<0000000000000000>] 0x0 002b:00007ffeeff48838 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 67.502365] ---[ end trace 5b234276589fd04e ]--- 01 # [ 56.933028] RAX: ffffffffffffffda RBX: 0000000000000011[ 67.513740] lkdtm: Saturation detected: still saturated RCX: 00007fea1f6f7f33 # [ 56.940997] RDX: 0000000000000011 RSI: 00007fea1f5e8000 RDI: 0000000000000001 # [ 56.948966] RBP: 00007fea1f5e8000 R08: 00007fea1f5e7010 R09: 0000000000000000 # [ 56.956934] R10: 00007fea1f7f21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.964902] 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 # [ 57.124450] lkdtm: Performing direct entry ACCESS_NULL # [ 57.134043] lkdtm: attempting bad read at 0000000000000000 # [ 57.140230] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.148015] #PF: supervisor read access in kernel mode # [ 57.159974] #PF: error_code(0x0000) - not-present page # [ 57.165709] PGD 0 P4D 0 # [ 57.168534] Oops: 0000 [#13] SMP PTI[ 67.611374] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 57.172522] CPU: 2 PID: 1916 Comm: cat Tainted: G D [ 67.620548] lkdtm: attempting bad refcount_add_not_zero() from saturated W 5.10.131-cip13 #1 # [ 57.181170] Hardware name: Goo[ 67.634258] ------------[ cut here ]------------ gle Rammus/Rammus, BIOS 09/04/2020 # [ 57.187976] RIP: 0010:[ 67.645623] refcount_t: saturated; leaking memory. lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.193227] Code: f9 9c fd ff [ 67.657190] WARNING: CPU: 0 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 be 00 10 00 00 48 89 ef e8 d6 c7 3f ff e9 6d ff ff ff 0f 1f 44 0[ 67.672770] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 00 53 31 f6 48 c7 c7 80 13 ac b0 e8 d3 9c fd ff <48> 8b 1c 25 [ 67.705387] CPU: 0 PID: 2522 Comm: cat Tainted: G D W 5.10.131-cip13 #1 00 00 00 00 b8 de c0 de c0 48 c7 c7 a8 13 ac b0 48 01 # [ 57.[ 67.720265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 220419] RSP: 0018:ffffb64d02627e58 EFLAGS: 00010246 # [ 57.22[ 67.733277] RIP: 0010:refcount_warn_saturate+0x87/0xf0 6243] RAX: 000000000000002e RBX: 0000000000000027 RCX: 000000000[ 67.745271] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 0000000 # [ 57.234210] RDX: 0000000000000000 RSI: ffff9b8bfad[ 67.772429] RSP: 0018:ffffb64d02f97e38 EFLAGS: 00010282 1bf70 RDI: ffff9b8bfad1bf70 # [ 57.242178] RBP: ffffffffb0ac0[ 67.784466] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 471 R08: 0000000000000000 R09: 0000000000000000 # [ 57.250145[ 67.798698] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 67.812911] RBP: ffffffffb0ac0198 R08: 0000000000000000 R09: 0000000000000000 00c # [ 57.258112] R13: ffffb64d02627f10 R14: ffffb64d02627f1[ 67.827086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0 R15: ffff9b8b840fb000 # [ 57.266078] FS: 00007f84d530c580([ 67.841290] R13: ffffb64d02f97f10 R14: ffffb64d02f97f10 R15: ffff9b8b8274c000 0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 57[ 67.855470] FS: 00007f3f75d5b580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 .275114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 67.870769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 57.281526] CR2: 0000000000000000 CR3: 0000000103244005 CR4: 00[ 67.883367] CR2: 00007f3f75b74000 CR3: 000000010359e003 CR4: 00000000003706f0 000000003706e0 # [ 57.289494] Call Trace: # [ 57.292221] [ 67.897570] Call Trace: direct_entry.cold+0x2c/0x38 # [ 57.296598] full_proxy_write+[ 67.906510] __refcount_add_not_zero.constprop.0+0x2a/0x31 0x56/0x80 # [ 57.300878] vfs_write+0xea/0x390 # [ 57.3045[ 67.918877] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 73] ksys_write+0x68/0xe0 # [ 57.308271] do_syscall_64+0x33/[ 67.931400] direct_entry.cold+0x2c/0x38 0x40 # [ 57.312257] entry_SYSCALL_64_after_hwframe+0x44/0xa9[ 67.942008] full_proxy_write+0x56/0x80 # [ 57.317896] RIP: 0033:0x7f84d5234f33 # [ 57.321873] Co[ 67.952498] vfs_write+0xea/0x390 de: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 67.962422] ksys_write+0x68/0xe0 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 67.972334] do_syscall_64+0x33/0x40 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 67.982558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 24 18 # [ 57.342851] RSP: 002b:00007ffc1fc7a848 EFLAGS: 00000[ 67.994397] RIP: 0033:0x7f3f75c83f33 246 ORIG_RAX: 0000000000000001 # [ 57.351303] RAX: ffffffffff[ 68.004635] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffda RBX: 000000000000000c RCX: 00007f84d5234f33 # [ 57.359[ 68.031814] RSP: 002b:00007ffd97bd8c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 271] RDX: 000000000000000c RSI: 00007f84d5125000 RDI: 0000000000[ 68.046503] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3f75c83f33 000001 # [ 57.367238] RBP: 00007f84d5125000 R08: 00007f84d512[ 68.060730] RDX: 0000000000000020 RSI: 00007f3f75b74000 RDI: 0000000000000001 4010 R09: 0000000000000000 # [ 57.375206] R10: 00007f84d532f1[ 68.074907] RBP: 00007f3f75b74000 R08: 00007f3f75b73010 R09: 0000000000000000 c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.383175][ 68.089097] R10: 00007f3f75d7e1c0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 68.103282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 # [ 57.391146] Modules linked in: fuse ip_tables cros_ec_s[ 68.117469] irq event stamp: 0 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 68.127083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev [ 68.140307] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_d[ 68.155683] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.171025] softirqs last disabled at (0): [<0000000000000000>] 0x0 ev cros_usbpd_notify # [ 57.417591] CR2: 0000000000000000 # [ 68.178066] ---[ end trace 5b234276589fd04f ]--- [ 68.189391] lkdtm: Saturation detected: still saturated [ 57.427500] ---[ end trace 5b234276589fd03d ]--- # [ 57.432676] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.437050] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 57.458028] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 57.463859] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.471828] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 57.479796] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 57.487764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.495732] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 57.503699] FS: 00007f84d530c580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 57.512737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.519150] CR2: 0000000000000000 CR3: 0000000103244005 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 57.606703] lkdtm: Performing direct entry WRITE_RO # [ 57.613410] lkdtm: attempting bad rodata write at ffffffffb06d9ef0 # [ 57.626532] BUG: unable to handle page fault for address: ffffffffb06d9ef0 # [ 57.640418] #PF: supervisor write access in kernel mode # [ 57.646252] #PF: error_co[ 68.333855] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 68.347052] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 68.354583] ------------[ cut here ]------------ [ 68.359764] refcount_t: underflow; use-after-free. [ 68.365148] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 68.374492] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.400936] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.131-cip13 #1 de(0x0003) - permissions violation # [ 57.658684] PGD 11a2290[ 68.409590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 67 P4D 11a229067 PUD 11a22a063 PMD 8000000119c000e1 # [ 57.6[ 68.422613] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 66461] Oops: 0003 [#14] SMP PTI # [ 57.676677] CPU: 1 PID: 19[ 68.434565] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 [ 68.461770] RSP: 0018:ffffb64d0302fe40 EFLAGS: 00010286 [ 68.467606] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 68.475576] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 [ 68.483548] RBP: ffffffffb0ac01b8 R08: 0000000000000000 R09: 0000000000000000 [ 68.491511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.499481] R13: ffffb64d0302ff10 R14: ffffb64d0302ff10 R15: ffff9b8b85420000 [ 68.507453] FS: 00007ff504a4d580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 [ 68.516482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.522898] CR2: 00007ff504866000 CR3: 000000010545e001 CR4: 00000000003706e0 [ 68.530871] Call Trace: [ 68.533602] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 68.539753] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 68.546076] direct_entry.cold+0x2c/0x38 [ 68.550457] full_proxy_write+0x56/0x80 [ 68.554739] vfs_write+0xea/0x390 [ 68.558437] ksys_write+0x68/0xe0 [ 68.562136] do_syscall_64+0x33/0x40 [ 68.566128] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.571770] RIP: 0033:0x7ff504975f33 [ 68.575760] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.596748] RSP: 002b:00007ffd11027cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.605205] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff504975f33 [ 68.613166] RDX: 0000000000000020 RSI: 00007ff504866000 RDI: 0000000000000001 [ 68.621138] RBP: 00007ff504866000 R08: 00007ff504865010 R09: 0000000000000000 [ 68.629109] R10: 00007ff504a701c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.637080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.645046] irq event stamp: 0 [ 68.648453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.655454] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.664593] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.673729] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.680730] ---[ end trace 5b234276589fd050 ]--- [ 68.685886] lkdtm: Saturation detected: still saturated 51 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 57.685325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.692132] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 57.697091] Code: 00 48 c7 c7 60 12 ac b0 48 c7 c6 f0 9e 6d b0 e8 75 9f fd ff 48 8b 05 f8 20 5e 00 ba 34 12 cd ab 48 c7 c7 90 12 ac b0 48 31 d0 <48> 89 05 e2 20 5e 00 e9 53 9f fd ff 0f 1f 44 00 00 48 8b 05 09 45 # [ 57.724288] RSP: 0018:ffffb64d02597e60 EFLAGS: 00010202 # [ 57.730121] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 57.738091] RDX: 00000000abcd1234 RSI: ffff9b8bfac9bf70 RDI: ffffffffb0ac1290 # [ 57.746059] RBP: ffffffffb0ac047d R08: 0000000000000000 R09: 0000000000000000 # [ 57.754028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 57.761996] R13: ffffb64d02597f10 R14: ffffb64d02597f10 R15: ffff9b8b830b8000 # [ 57.769965] FS: 00007f66d2a3b580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 57.779002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.785417] CR2: ffffffffb06d9ef0 C[ 68.797170] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED R3: 0000000105d30002 CR4: 00000000003706e0 # [ 57.793384] Cal[ 68.805088] lkdtm: attempting bad refcount_sub_and_test() from saturated l Trace: # [ 57.796112] direct_entry.cold+0x2c/0x38 # [ 5[ 68.818801] ------------[ cut here ]------------ [ 68.830162] refcount_t: underflow; use-after-free. 7.800492] full_proxy_write+0x56/0x80 # [ 57.804775] vfs_wri[ 68.835528] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 te+0xea/0x390 # [ 57.814686] ksys_write+0x68/0xe0 # [ 57.[ 68.851054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 818384] do_syscall_64+0x33/0x40 # [ 57.822373] entry_SYSCAL[ 68.883702] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 68.898569] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.905379] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 L_64_after_hwframe+0x44/0xa9 # [ 57.828003] RIP: 0033:0x7f66d[ 68.911120] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 2963f33 # [ 57.831990] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02[ 68.938321] RSP: 0018:ffffb64d030b7e40 EFLAGS: 00010286 [ 68.950375] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 68.958350] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 [ 68.972534] RBP: ffffffffb0ac01d8 R08: 0000000000000000 R09: 0000000000000000 [ 68.980506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.988471] R13: ffffb64d030b7f10 R14: ffffb64d030b7f10 R15: ffff9b8b84bb7000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 68.996446] FS: 00007f4121b52580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 [ 69.011699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.852976] RSP: 002b:00[ 69.018118] CR2: 00007f412196b000 CR3: 000000010274c006 CR4: 00000000003706e0 [ 69.032300] Call Trace: 007ffdbc034c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 69.035032] __refcount_sub_and_test.constprop.0+0x34/0x40 57.861432] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00[ 69.047376] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 007f66d2963f33 # [ 57.869402] RDX: 0000000000000009 RSI: 0000[ 69.059914] direct_entry.cold+0x2c/0x38 7f66d2854000 RDI: 0000000000000001 # [ 57.877371] RBP: 00007f[ 69.070511] full_proxy_write+0x56/0x80 66d2854000 R08: 00007f66d2853010 R09: 0000000000000000 # [ 57[ 69.081016] vfs_write+0xea/0x390 .885340] R10: 00007f66d2a5e1c0 R11: 0000000000000246 R12: 000000[ 69.090928] ksys_write+0x68/0xe0 0000000001 # [ 57.893311] R13: 0000000000000001 R14: 00000000[ 69.100843] do_syscall_64+0x33/0x40 00020000 R15: 0000000000020000 # [ 57.901284] Modules linked [ 69.111049] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.122907] RIP: 0033:0x7f4121a7af33 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 69.126900] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 alio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_[ 69.154101] RSP: 002b:00007fff8c9ed9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.168775] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4121a7af33 ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x8[ 69.176750] RDX: 0000000000000020 RSI: 00007f412196b000 RDI: 0000000000000001 [ 69.190934] RBP: 00007f412196b000 R08: 00007f412196a010 R09: 0000000000000000 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.93392[ 69.198908] R10: 00007f4121b751c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.213091] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7] CR2: ffffffffb06d9ef0 # [ 57.937624] ---[ end trace 5b2342[ 69.221067] irq event stamp: 0 [ 69.230690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 76589fd03e ]--- # [ 57.942778] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.237712] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.253046] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.947155] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7[ 69.262189] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.275399] ---[ end trace 5b234276589fd051 ]--- [ 69.280545] lkdtm: Saturation detected: still saturated c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 57.968132] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 57.973967] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.981937] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 57.989908] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 57.997879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.005849] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 58.013818] FS: 00007f66d2a3b580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 58.022854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.029270] CR2: ffffffffb06d9ef0 CR3: 0000000105d30002 CR4: 00000000003706e0 # [ 58.037239] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.047150] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1951, name: cat # [ 58.055604] INFO: lockdep is turned off. # [ 58.059980] irq event stamp: 0 # [ 58.063384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.070383] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.079518] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.088671] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.095680] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 58.104327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.111131] Call Trace: # [ 58.113858] dump_stack+0x77/0x97 # [ 58.117557] ___might_sleep.cold+0xa6/0xb6 # [ 58.128342] exit_signals+0x1c/0x2d0 # [ 58.132321] do_exit+0xd5/0xb00 # [ 58.135824] ? ksys_write+0x68/0xe0 # [ 58.139734] rewind_stack_do_exit+0x17/0x20 # [ 58.144401] RIP: 0033:0x7f66d2963f33 # [ 58.148390] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.169372] RSP: 002b:00007ffdbc034c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.177828] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f66d2963f33 # [ 58.185796] RDX: 0000000000000009 RSI: 00007f66d2854000 RDI: 0000000000000001 # [ 58.193764] RBP: 00007f66d2854000 R08: 00007f66d2853010 R09: 0000000000000000 # [ 58.201732] R10: 00007f66d2a5e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.209700] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 58.298470] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 58.311214] lkdtm: attempting bad ro_after_init write at ffffffffb0b3c328 # [ 58.325034] BUG: unable to handle page fault for address: ffffffffb0b3c328 # [ 58.338902] #PF: supervisor write access in kernel mode # [ 58.344736] #PF: error_code(0x0003) - permissions violation # [ 58.357169] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 104be7063 PTE 800000011a13c061 # [ 58.372425] Oops: 0003 [#15] SMP PTI # [ 58.376413] CPU: 1 PID: 1986 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 58.385064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.391873] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.397904] Code: 12 ac b0 e9 27 9f fd ff 48 c7 c7 e8 12 ac b0 e8 1b 9f fd ff 48 8b 05 d6 44 a4 00 ba 34 12 cd ab 48 c7 c7 90 12 ac b0 48 31 d0 <48> 89 05 c0 44 a4 00 e9 f9 9e fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.425101] RSP: 0018:ffffb64d02707e60 EFLAGS: 00010202 # [ 58.430934] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 58.438905] RDX: 00000000abcd1234 RSI: ffff9b8bfac9bf70 RDI: ffffffffb0ac1290 # [ 58.446875] RBP: ffffffffb0ac0486 R08: 0000000000000000 R09: 0000000000000000 # [ 58.454843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 58.462812] R13: ffffb64d02707f10 R14: ffffb64d02707f10 R15: ffff9b8b8120c000 # [ 58.470780] FS: 00007f9c43837580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 58.479818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.486232] CR2: ffffffffb0b3c328 CR3: 0000000103134002 CR4: 00000000003706e0 # [ 58.494202] Call Trace: # [ 58.496928] direct_entry.cold+0x2c/0x38 # [ 58.501299] full_proxy_write+0x56/0x80 # [ 58.505580] vfs_write+0xea/0x390 # [ 58.515491] ksys_write+0x68/0xe0 # [ 58.519191] do_syscall_64+0x33/0x40 # [ 58.523179] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.528818] RIP: 0033:0x7f9c4375ff33 # [ 58.532807] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.553783] RSP: 002b:00007fffd8807998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.562239] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f9c4375ff33 # [ 58.570208] RDX: 0000000000000014 RSI: 00007f9c43650000 RDI: 0000000000000001 # [ 58.578177] RBP: 00007f9c43650000 R08: 00007f9c4364f010 R09: 0000000000000000 # [ 58.586148] R10: 00007f9c4385a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.594118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.602091] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.634736] CR2: ffffffffb0b3c328 # [ 58.638433] ---[ end trace 5b234276589fd03f ]--- # [ 58.643587] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.647962] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b 70 02 # [ 58.668946] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 58.674780] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.682748] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 58.690729] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 58.698699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.706676] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 58.714645] FS: 00007f9c43837580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 58.723681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.730096] CR2: ffffffffb0b3c328 CR3: 0000000103134002 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 # [ 58.815741] lkdtm: Performing direct entry WRITE_KERN # [ 58.824542] lkdtm: attempting bad 6578290 byte write at ffffffffb00f7d72 # [ 58.832062] BUG: unable to handle page fault for address: ffffffffb00f7d72 # [ 58.839753] #PF: supervisor write access in kernel mode # [ 58.845589] #PF: error_code(0x0003) - permissions violation # [ 58.851810] PGD 11a229067 P4D 11a229067 PUD 11a22a063 PMD 1196000e1 # [ 58.865124] Oops: 0003 [#16] SMP PTI # [ 58.869112] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 58.877752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.884558] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 58.889727] Code: 53 48 c7 c3 72 7d 0f b0 49 89 dc 48 89 da 49 81 ec 00 1d ab af 4c 89 e6 e8 ce 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1d ab af a4 48 c7 c7 90 12 ac b0 e8 b3 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 58.910729] RSP: 0018:ffffb64d0277fe50 EFLAGS: 00010246 # [ 58.916561] RAX: 000000000000003c RBX: ffffffffb00f7d72 RCX: 0000000000646072 # [ 58.924529] RDX: 0000000000000000 RSI: ffffffffafab1d00 RDI: ffffffffb00f7d72 # [ 58.932499] RBP: ffffffffb0ac049a R08: 0000000000000000 R09: 0000000000000000 # [ 58.940469] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646072 # [ 58.948438] R13: ffffb64d0277ff10 R14: ffffb64d0277ff10 R15: ffff9b8b8401a000 # [ 58.956407] FS: 00007fd0c28df580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 58.965445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.971860] CR2: ffffffffb00f7d72 CR3: 0000000103870003 CR4: 00000000003706e0 # [ 58.979828] Call Trace: # [ 58.982555] direct_entry.cold+0x2c/0x38 # [ 58.986935] full_proxy_write+0x56/0x80 # [ 58.991215] vfs_write+0xea/0x390 # [ 58.994911] ksys_write+0x68/0xe0 # [ 58.998609] do_syscall_64+0x33/0x40 # [ 59.002590] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.008230] RIP: 0033:0x7fd0c2807f33 # [ 59.012208] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 70.207450] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 48 89 54 24 18 # [ 59.033190] RSP: 002b:00007fff0b6bab98 EFL[ 70.219921] lkdtm: attempting good copy_to_user of correct size AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.041644] RAX: [ 70.232781] lkdtm: attempting bad copy_to_user of too large size ffffffffffffffda RBX: 000000000000000b RCX: 00007fd0c2807f33 # [ 59.049613] RDX: 000000000000000b RSI: 00007fd0c26f8000 RDI: 0000000000000001 # [ 59.057580] RBP: 00007fd0c26f8000 R08: 00007fd0c26f7010 R09: 0000000000000000 # [ 59.065549] R10: 00007fd0c29021c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.073518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.081488] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.107936] CR2: ffffffffb00f7d72 # [ 59.117845] ---[ end trace 5b234276589fd040 ]--- # [ 59.122992] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.127367] Code: 59 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3[ 70.331504] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 [ 70.339629] lkdtm: attempting good copy_from_user of correct size 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 1b[ 70.352662] lkdtm: attempting bad copy_from_user of too large size 70 02 # [ 59.148347] RSP: 0018:ffffb64d01407e60 EFLAGS: 00010286 # [ 59.154178] RAX: ffffffffafab1930 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.162145] RDX: 0000000000000000 RSI: ffff9b8bfac9bf70 RDI: ffffffffb06d9a70 # [ 59.170114] RBP: ffffffffb0b1b680 R08: 0000000000000001 R09: 0000000000000001 # [ 59.178082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.186051] R13: ffffb64d01407f10 R14: ffffb64d01407f10 R15: ffff9b8b8274c000 # [ 59.194021] FS: 00007fd0c28df580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 59.203057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.209471] CR2: ffffffffb00f7d72 CR3: 0000000103870003 CR4: 00000000003706e0 # [ 59.217439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.227351] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2021, name: cat # [ 59.235804] INFO: lockdep is turned off. # [ 59.240179] irq event stamp: 0 # [ 59.2[ 70.459271] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 43584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.472479] lkdtm: attempting good copy_to_user inside whitelist # [ 59.250585] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.259730] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.268865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.275862] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 59.284511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.291314] Call Trace: # [ 59.294042] dump_stack+0x77/0x97 # [ 59.297738] ___might_sleep.cold+0xa6/0xb6 # [ 59.302310] exit_signals+0x1c/0x2d0 # [ 59.306296] do_exit+0xd5/0xb00 # [ 59.309799] ? ksys_write+0x68/0xe0 # [ 59.313682] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 59.319126] rewind_stack_do_exit+0x17/0x20 # [ 59.323792] RIP: 0033:0x7fd0c2807f33 # [ 59.327777] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.348758] RSP: 002b:00007fff0b6bab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.357214] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd0c2807f33 # [[ 70.604396] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 70.617588] lkdtm: attempting good copy_from_user inside whitelist [ 70.624502] lkdtm: attempting bad copy_from_user outside whitelist 59.365184] RDX: 000000000000000b RSI: 00007fd0c26f8000 RDI: 0000000000000001 # [ 59.373151] RBP: 00007fd0c26f8000 R08: 00007fd0c26f7010 R09: 0000000000000000 # [ 59.381121] R10: 00007fd0c29021c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.389089] 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 # [ 59.546035] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 59.553071] lkdtm: attempting good refcount_inc() without overflow # [ 59.566169] lkdtm: attempting bad refcount_inc() overflow # [ 59.578402] ------------[ cut here ]------------ # [ 59.589792] refcount_t: saturated; leaking memory. # [ 59.601380] WARNING: CPU: 0 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 59.616870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 70.723495] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sy[ 70.731654] lkdtm: good_stack: ffffb64d0342fe20-ffffb64d0342fe40 sfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sen[ 70.744587] lkdtm: bad_stack : ffffb64d0342fda8-ffffb64d0342fdc8 sorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 70.757504] lkdtm: attempting good copy_to_user of local stack 59.649548] CPU: 0 PID: 2056 Comm: cat Tainted: G D W [ 70.770209] lkdtm: attempting bad copy_to_user of distant stack 5.10.131-cip13 #1 # [ 59.664400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.677461] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 59.689377] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a # [ 59.716616] RSP: 0018:ffffb64d02817e48 EFLAGS: 00010286 # [ 59.728689] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 59.742905] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 # [ 59.757079] RBP: ffffffffb0ac04a5 R08: 0000000000000000 R09: 0000000000000000 # [ 59.765086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.779279] R13: ffffb64d02817f10 R14: ffffb64d02817f10 R15: ffff9b8b8520e000 # [ 59.793431] FS: 00007f83b792c580(00[ 70.867000] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 70.877152] lkdtm: good_stack: ffffb64d034b7e20-ffffb64d034b7e40 [ 70.883867] lkdtm: bad_stack : ffffb64d034b7da8-ffffb64d034b7dc8 00) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 59.8[ 70.890585] lkdtm: attempting good copy_from_user of local stack [ 70.903506] lkdtm: attempting bad copy_from_user of distant stack 08704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.821324] CR2: 00007f83b7745000 CR3: 0000000103242005 CR4: 00000000003706f0 # [ 59.835536] Call Trace: # [ 59.844533] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 59.856065] direct_entry.cold+0x2c/0x38 # [ 59.866697] full_proxy_write+0x56/0x80 # [ 59.877172] vfs_write+0xea/0x390 # [ 59.887091] ksys_write+0x68/0xe0 # [ 59.896990] do_syscall_64+0x33/0x40 # [ 59.907223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.919061] RIP: 0033:0x7f83b7854f33 # [ 59.929269] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.956472] RSP: 002b:00007ffd35ab8298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.971161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f83b7854f33 # [ 59.985363] RDX: 0000000000000016 RSI: 00007f83b7745000 RDI: 0000000000000001 # [ 59.999551] RBP: 00007f83b7745000 R08: 00007f83b7744010 R09: 0000000000000000 # [ 60.013735] R10: 00007f83b794f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.027933] R13: 000[ 71.024910] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 71.035255] lkdtm: good_stack: ffffb64d03507e20-ffffb64d03507e40 60.042115] irq event stamp: 0 # [ 60.051789] hardirqs last [ 71.048196] lkdtm: bad_stack : ffffb64d03507ff8-ffffb64d03508018 enabled at (0): [<0000000000000000>] 0x0 # [ 60.064975] hardi[ 71.061114] lkdtm: attempting good copy_to_user of local stack rqs last disabled at (0): [] copy_process+0x63[ 71.073854] lkdtm: attempting bad copy_to_user of distant stack c/0x1c80 # [ 60.080342] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.095700] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.108936] ---[ end trace 5b234276589fd041 ]--- # [ 60.120294] 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 # [ 60.218316] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 60.225294] lkdtm: attempting good refcount_add() without overflow # [ 60.238422] lkdtm: attempting bad refcount_add() overflow # [ 60.250680] ------------[ cut here ]------------ # [ 60.262013] refcount_t: saturated; leaking memory. # [ 60.273636] WARNING: CPU: 0 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 60.289189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 71.184262] lkdtm: Performing direct entry USERCOPY_KERNEL [ 71.191909] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb06d9f10 [ 71.200600] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaf4d10e0 d_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar c[ 71.208991] lkdtm: FAIL: survived bad copy_to_user() ros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.321833] CPU: 0 PID: 2088 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 60.336702] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.349772] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.361729] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a # [ 60.388970] RSP: 0018:ffffb64d028a7e48 EFLAGS: 00010286 # [ 60.401009] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 60.415225] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 # [ 60.429458] RBP: ffffffffb0ac04bb R08: 0000000000000000 R09: 0000000000000000 # [ 60.443611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.457834] R1[ 71.313538] lkdtm: Performing direct entry STACKLEAK_ERASING [ 71.320343] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 71.328229] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 71.336012] lkdtm: FAIL: the thread stack is NOT properly erased [ 71.342732] CPU: 3 PID: 2957 Comm: cat Tainted: G D W 5.10.131-cip13 #1 [ 71.351382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.358185] Call Trace: [ 71.360917] dump_stack+0x77/0x97 [ 71.364617] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 71.369773] direct_entry.cold+0x2c/0x38 [ 71.374143] full_proxy_write+0x56/0x80 [ 71.378423] vfs_write+0xea/0x390 [ 71.382119] ksys_write+0x68/0xe0 [ 71.385817] do_syscall_64+0x33/0x40 [ 71.389796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.395435] RIP: 0033:0x7f779fe83f33 [ 71.399423] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.420406] RSP: 002b:00007ffde0cda0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.428862] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f779fe83f33 [ 71.436832] RDX: 0000000000000012 RSI: 00007f779fd74000 RDI: 0000000000000001 [ 71.444800] RBP: 00007f779fd74000 R08: 00007f779fd73010 R09: 0000000000000000 [ 71.452768] R10: 00007f779ff7e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.460738] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3: ffffb64d028a7f10 R14: ffffb64d028a7f10 R15: ffff9b8b83320000 # [ 60.472007] FS: 00007f86c048a580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 60.487324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.499911] CR2: 00007f86c02a3000 CR3: 00000001029d4002 CR4: 00000000003706f0 # [ 60.514105] Call Trace: # [ 60.523047] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 60.534625] direct_entry.cold+0x2c/0x38 # [ 60.545197] full_proxy_write+0x56/0x80 # [ 60.555737] vfs_write+0xea/0x390 # [ 60.565618] ksys_write+0x68/0xe0 # [ 60.575549] do_syscall_64+0x33/0x40 # [ 60.585753] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.597633] RIP: 0033:0x7f86c03b2f33 # [ 60.607830] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.635053] RSP: 002b:00007fffcedff098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.649706] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f86c03b2f33 # [ 60.663893] RDX: 0000000000000016 RSI:[ 71.580400] lkdtm: Performing direct entry CFI_FORWARD_PROTO 00007f86c02a3000 RDI: 0000000000000001 # [ 60.678068] RBP: 0[ 71.586969] lkdtm: Calling matched prototype ... 0007f86c02a3000 R08: 00007f86c02a2010 R09: 0000000000000000 # [[ 71.598338] lkdtm: Calling mismatched prototype ... 60.692262] R10: 00007f86c04ad1c0 R11: 0000000000000246 R12: 0[ 71.610001] lkdtm: Fail: survived mismatched prototype function call! 000000000000001 # [ 60.706445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.720649] irq event stamp: 0 # [ 60.730253] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.743474] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.758827] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.774190] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.787401] ---[ end trace 5b234276589fd042 ]--- # [ 60.798781] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 60.886333] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 60.898415] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.905320] ------------[ cut here ]------------ # [ 60.910478] refcount_t: saturated; leaking memory. # [ 60.915856] WARNING: CPU: 3 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 60.925198] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.957826] CPU: 3 PID: 2120 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 60.966501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.973308] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 60.979046] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b # [ 61.000031] RSP: 0018:ffffb64d028ffe38 EFLAGS: 00010282 # [ 61.005868] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.013840] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 61.021812] RBP: ffffffffb0ac00f8 R08: 0000000000000000 R09: 0000000000000000 # [ 61.029784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.037754] R13: ffffb64d028fff10 R14: ffffb64d028fff10 R15: ffff9b8b8322c000 # [ 61.045728] FS: 00007f1c6cd6c580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 61.054767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.061176] CR2: 00007f1c6cb85000 CR3: 00000001031fc002 CR4: 00000000003706e0 # [ 61.069149] Call Trace: # [ 61.071905] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.078064] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.090498] direct_entry.cold+0x2c/0x38 # [ 61.101090] full_proxy_write+0x56/0x80 # [ 61.111584] vfs_write+0xea/0x390 # [ 61.121497] ksys_write+0x68/0xe0 # [ 61.125196] do_syscall_64+0x33/0x40 # [ 61.129187] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.134853] RIP: 0033:0x7f1c6cc94f33 # [ 61.138842] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.159850] RSP: 002b:00007ffcee6271b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.168313] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1c6cc94f33 # [ 61.182489] RDX: 000000000000001f RSI: 00007f1c6cb85000 RDI: 0000000000000001 # [ 61.190461] RBP: 00007f1c6cb85000 R08: 00007f1c6cb84010 R09: 0000000000000000 # [ 61.198433] R10: 00007f1c6cd8f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.206403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.214377] irq event stamp: 0 # [ 61.217785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.224788] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.233925] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.243061] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.250062] ---[ end trace 5b234276589fd043 ]--- # [ 61.255218] 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 # [ 61.329910] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 61.342514] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 61.355633] ------------[ cut here ]------------ # [ 61.366999] refcount_t: saturated; leaking memory. # [ 61.378578] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.394113] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.426755] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 61.441658] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.454667] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.466629] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b # [ 61.493831] RSP: 0018:ffffb64d0299fe38 EFLAGS: 00010282 # [ 61.505885] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.520074] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 61.534264] RBP: ffffffffb0ac0118 R08: 0000000000000000 R09: 0000000000000000 # [ 61.548455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.562644] R13: ffffb64d0299ff10 R14: ffffb64d0299ff10 R15: ffff9b8b85cb7000 # [ 61.576833] FS: 00007fc9086f6580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 61.592090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.604735] CR2: 00007fc90850f000 CR3: 0000000103244003 CR4: 00000000003706e0 # [ 61.618923] Call Trace: # [ 61.627873] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.640216] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.652680] direct_entry.cold+0x2c/0x38 # [ 61.663278] full_proxy_write+0x56/0x80 # [ 61.673773] vfs_write+0xea/0x390 # [ 61.683689] ksys_write+0x68/0xe0 # [ 61.687392] do_syscall_64+0x33/0x40 # [ 61.697591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.703257] RIP: 0033:0x7fc90861ef33 # [ 61.713455] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.734437] RSP: 002b:00007ffe0285b798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.749102] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc90861ef33 # [ 61.757076] RDX: 000000000000001f RSI: 00007fc90850f000 RDI: 0000000000000001 # [ 61.765048] RBP: 00007fc90850f000 R08: 00007fc90850e010 R09: 0000000000000000 # [ 61.773019] R10: 00007fc9087191c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.780990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.788956] irq event stamp: 0 # [ 61.798607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.805614] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.820962] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.836316] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.843320] ---[ end trace 5b234276589fd044 ]--- # [ 61.854688] 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 # [ 61.943490] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.953087] lkdtm: attempting good refcount_dec() # [ 61.958343] lkdtm: attempting bad refcount_dec() to zero # [ 61.964285] ------------[ cut here ]------------ # [ 61.975652] refcount_t: decrement hit 0; leaking memory. # [ 61.981599] WARNING: CPU: 2 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 61.997127] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.023591] CPU: 2 PID: 2184 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 62.038447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.045254] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.050990] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.071969] RSP: 0018:ffffb64d02a17e48 EFLAGS: 00010286 # [ 62.077804] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.085774] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 # [ 62.093744] RBP: ffffffffb0ac04d1 R08: 0000000000000000 R09: 0000000000000000 # [ 62.101724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.109693] R13: ffffb64d02a17f10 R14: ffffb64d02a17f10 R15: ffff9b8b857ac000 # [ 62.117676] FS: 00007f977dacf580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 62.126717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.139346] CR2: 00007f977d8e8000 CR3: 00000001034fa004 CR4: 00000000003706e0 # [ 62.147317] Call Trace: # [ 62.150048] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 62.155041] direct_entry.cold+0x2c/0x38 # [ 62.159420] full_proxy_write+0x56/0x80 # [ 62.163716] vfs_write+0xea/0x390 # [ 62.167446] ksys_write+0x68/0xe0 # [ 62.171145] do_syscall_64+0x33/0x40 # [ 62.175136] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.180777] RIP: 0033:0x7f977d9f7f33 # [ 62.184766] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.205745] RSP: 002b:00007ffd38344608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.214203] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f977d9f7f33 # [ 62.222172] RDX: 0000000000000012 RSI: 00007f977d8e8000 RDI: 0000000000000001 # [ 62.230140] RBP: 00007f977d8e8000 R08: 00007f977d8e7010 R09: 0000000000000000 # [ 62.238100] R10: 00007f977daf21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.246064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.260252] irq event stamp: 0 # [ 62.269874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.276909] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.286080] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.295246] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.302246] ---[ end trace 5b234276589fd045 ]--- # [ 62.307408] 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 # [ 62.395189] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 62.405825] lkdtm: attempting bad refcount_dec() below zero # [ 62.412057] ------------[ cut here ]------------ # [ 62.417219] refcount_t: decrement hit 0; leaking memory. # [ 62.423179] WARNING: CPU: 3 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 62.432519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.465158] CPU: 3 PID: 2219 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 62.473809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.480615] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.486353] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.507335] RSP: 0018:ffffb64d02ac7e48 EFLAGS: 00010286 # [ 62.513169] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 62.521138] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 62.529107] RBP: ffffffffb0ac04e3 R08: 0000000000000000 R09: 0000000000000000 # [ 62.543294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.557479] R13: ffffb64d02ac7f10 R14: ffffb64d02ac7f10 R15: ffff9b8b85c8c000 # [ 62.565450] FS: 00007f9ad5f2a580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 62.574489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.580905] CR2: 00007f9ad5d43000 CR3: 0000000105344003 CR4: 00000000003706e0 # [ 62.588876] Call Trace: # [ 62.591608] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 62.596991] direct_entry.cold+0x2c/0x38 # [ 62.601402] full_proxy_write+0x56/0x80 # [ 62.605687] vfs_write+0xea/0x390 # [ 62.609385] ksys_write+0x68/0xe0 # [ 62.613084] do_syscall_64+0x33/0x40 # [ 62.617075] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.622726] RIP: 0033:0x7f9ad5e52f33 # [ 62.626729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.647728] RSP: 002b:00007ffe87524e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.656186] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9ad5e52f33 # [ 62.664159] RDX: 0000000000000016 RSI: 00007f9ad5d43000 RDI: 0000000000000001 # [ 62.672129] RBP: 00007f9ad5d43000 R08: 00007f9ad5d42010 R09: 0000000000000000 # [ 62.680099] R10: 00007f9ad5f4d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.688070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.696043] irq event stamp: 0 # [ 62.699475] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.706477] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.715614] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.724750] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.731750] ---[ end trace 5b234276589fd046 ]--- # [ 62.736905] 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 # [ 62.817074] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 62.830405] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 62.837539] ------------[ cut here ]------------ # [ 62.842705] refcount_t: underflow; use-after-free. # [ 62.854282] WARNING: CPU: 3 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 62.869814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.896279] CPU: 3 PID: 2254 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 62.911161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.917984] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 62.929925] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 # [ 62.950905] RSP: 0018:ffffb64d02b4fe40 EFLAGS: 00010286 # [ 62.956737] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 62.964699] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 62.972688] RBP: ffffffffb0ac0138 R08: 0000000000000000 R09: 0000000000000000 # [ 62.980677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.988646] R13: ffffb64d02b4ff10 R14: ffffb64d02b4ff10 R15: ffff9b8b83582000 # [ 62.996607] FS: 00007f7cd6984580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 63.005646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.012061] CR2: 00007f7cd679d000 CR3: 00000001028d0003 CR4: 00000000003706e0 # [ 63.020023] Call Trace: # [ 63.022751] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 63.028879] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 63.035101] direct_entry.cold+0x2c/0x38 # [ 63.039480] full_proxy_write+0x56/0x80 # [ 63.043762] vfs_write+0xea/0x390 # [ 63.047460] ksys_write+0x68/0xe0 # [ 63.051158] do_syscall_64+0x33/0x40 # [ 63.055148] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.060790] RIP: 0033:0x7f7cd68acf33 # [ 63.064780] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.085762] RSP: 002b:00007ffe571b12b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.094218] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7cd68acf33 # [ 63.102189] RDX: 000000000000001f RSI: 00007f7cd679d000 RDI: 0000000000000001 # [ 63.110161] RBP: 00007f7cd679d000 R08: 00007f7cd679c010 R09: 0000000000000000 # [ 63.118133] R10: 00007f7cd69a71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.126104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.134079] irq event stamp: 0 # [ 63.143696] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.150701] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.166052] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.175219] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.182220] ---[ end trace 5b234276589fd047 ]--- # [ 63.187377] 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 # [ 63.265119] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.274647] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.281760] ------------[ cut here ]------------ # [ 63.286927] refcount_t: underflow; use-after-free. # [ 63.292314] WARNING: CPU: 2 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.301655] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.334291] CPU: 2 PID: 2289 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 63.342975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.355991] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 63.361733] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 # [ 63.382731] RSP: 0018:ffffb64d02bc7e40 EFLAGS: 00010286 # [ 63.388571] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 63.396546] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 # [ 63.404521] RBP: ffffffffb0ac0158 R08: 0000000000000000 R09: 0000000000000000 # [ 63.412494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.420467] R13: ffffb64d02bc7f10 R14: ffffb64d02bc7f10 R15: ffff9b8b831f4000 # [ 63.434653] FS: 00007fd2f027e580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 63.443696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.450126] CR2: 00007fd2f0097000 CR3: 0000000103eb8001 CR4: 00000000003706e0 # [ 63.458098] Call Trace: # [ 63.460829] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 63.466982] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 63.473207] direct_entry.cold+0x2c/0x38 # [ 63.477588] full_proxy_write+0x56/0x80 # [ 63.481895] vfs_write+0xea/0x390 # [ 63.485594] ksys_write+0x68/0xe0 # [ 63.489295] do_syscall_64+0x33/0x40 # [ 63.493285] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.498925] RIP: 0033:0x7fd2f01a6f33 # [ 63.502914] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.523900] RSP: 002b:00007ffcf6159848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.532358] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd2f01a6f33 # [ 63.540330] RDX: 000000000000001f RSI: 00007fd2f0097000 RDI: 0000000000000001 # [ 63.548301] RBP: 00007fd2f0097000 R08: 00007fd2f0096010 R09: 0000000000000000 # [ 63.556272] R10: 00007fd2f02a11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.564261] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.572233] irq event stamp: 0 # [ 63.575642] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.582645] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.591810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.600946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.607945] ---[ end trace 5b234276589fd048 ]--- # [ 63.613098] 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 # [ 63.696426] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 63.705328] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 63.712488] lkdtm: Good: zero detected # [ 63.716705] lkdtm: Correctly stayed at zero # [ 63.727568] lkdtm: attempting bad refcount_inc() from zero # [ 63.739905] ------------[ cut here ]------------ # [ 63.745061] refcount_t: addition on 0; use-after-free. # [ 63.757039] WARNING: CPU: 2 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 63.766378] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.799035] CPU: 2 PID: 2321 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 63.807700] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.820731] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 63.826470] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d # [ 63.847453] RSP: 0018:ffffb64d02c7fe48 EFLAGS: 00010286 # [ 63.853287] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 63.861248] RDX: ffff9b8bfad2c660 RSI: ffff9b8bfad1bf70 RDI: ffff9b8bfad1bf70 # [ 63.869216] RBP: ffffffffb0ac04f9 R08: 0000000000000000 R09: 0000000000000000 # [ 63.877186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.885156] R13: ffffb64d02c7ff10 R14: ffffb64d02c7ff10 R15: ffff9b8b831d1000 # [ 63.893126] FS: 00007f0735c30580(0000) GS:ffff9b8bfad00000(0000) knlGS:0000000000000000 # [ 63.902165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.908581] CR2: 00007f0735a49000 CR3: 000000010404a006 CR4: 00000000003706e0 # [ 63.916542] Call Trace: # [ 63.919272] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 63.924234] direct_entry.cold+0x2c/0x38 # [ 63.928614] full_proxy_write+0x56/0x80 # [ 63.932896] vfs_write+0xea/0x390 # [ 63.936595] ksys_write+0x68/0xe0 # [ 63.940294] do_syscall_64+0x33/0x40 # [ 63.944284] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.949925] RIP: 0033:0x7f0735b58f33 # [ 63.953913] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.974892] RSP: 002b:00007ffc4eb39728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.983347] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0735b58f33 # [ 63.991318] RDX: 0000000000000012 RSI: 00007f0735a49000 RDI: 0000000000000001 # [ 63.999289] RBP: 00007f0735a49000 R08: 00007f0735a48010 R09: 0000000000000000 # [ 64.007260] R10: 00007f0735c531c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.015235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.029418] irq event stamp: 0 # [ 64.032829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.046040] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.055176] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.064312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.071311] ---[ end trace 5b234276589fd049 ]--- # [ 64.076465] 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 # [ 64.156945] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 64.168294] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 64.175395] lkdtm: Good: zero detected # [ 64.179581] lkdtm: Correctly stayed at zero # [ 64.184249] lkdtm: attempting bad refcount_add() from zero # [ 64.190366] ------------[ cut here ]------------ # [ 64.195519] refcount_t: addition on 0; use-after-free. # [ 64.201275] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 64.210618] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.243255] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 64.251906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.258730] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 64.264469] Code: 05 6a 21 76 01 01 e8 3d 0f 93 00 0f 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a 21 76 01 01 e8 1e 0f 93 00 <0f> 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d # [ 64.285450] RSP: 0018:ffffb64d02cffe48 EFLAGS: 00010286 # [ 64.291288] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 64.299261] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 64.313450] RBP: ffffffffb0ac050b R08: 0000000000000000 R09: 0000000000000000 # [ 64.321453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.329426] R13: ffffb64d02cfff10 R14: ffffb64d02cfff10 R15: ffff9b8b8308e000 # [ 64.337400] FS: 00007f1b03148580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 64.346440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.352864] CR2: 00007f1b02f61000 CR3: 00000001053a0006 CR4: 00000000003706e0 # [ 64.360868] Call Trace: # [ 64.369806] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 64.374801] direct_entry.cold+0x2c/0x38 # [ 64.379185] full_proxy_write+0x56/0x80 # [ 64.383500] vfs_write+0xea/0x390 # [ 64.387204] ksys_write+0x68/0xe0 # [ 64.390905] do_syscall_64+0x33/0x40 # [ 64.394898] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.400542] RIP: 0033:0x7f1b03070f33 # [ 64.404535] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.425523] RSP: 002b:00007fffff4fa7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.433982] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1b03070f33 # [ 64.441955] RDX: 0000000000000012 RSI: 00007f1b02f61000 RDI: 0000000000000001 # [ 64.449928] RBP: 00007f1b02f61000 R08: 00007f1b02f60010 R09: 0000000000000000 # [ 64.457902] R10: 00007f1b0316b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.465875] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.473853] irq event stamp: 0 # [ 64.477290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.484294] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.493465] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.502602] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.509604] ---[ end trace 5b234276589fd04a ]--- # [ 64.514761] 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 # [ 64.591492] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 64.600864] lkdtm: attempting bad refcount_inc() from saturated # [ 64.613690] ------------[ cut here ]------------ # [ 64.625062] refcount_t: saturated; leaking memory. # [ 64.636648] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 64.652181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.684836] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 64.699703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.712727] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 64.724682] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a # [ 64.751884] RSP: 0018:ffffb64d02d4fe48 EFLAGS: 00010286 # [ 64.763940] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 64.778130] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 64.786105] RBP: ffffffffb0ac051d R08: 0000000000000000 R09: 0000000000000000 # [ 64.800291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 64.808266] R13: ffffb64d02d4ff10 R14: ffffb64d02d4ff10 R15: ffff9b8b8381e000 # [ 64.822451] FS: 00007f5ad9a1e580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 64.837710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.844132] CR2: 00007f5ad9837000 CR3: 0000000105672001 CR4: 00000000003706e0 # [ 64.858316] Call Trace: # [ 64.861052] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 64.872710] direct_entry.cold+0x2c/0x38 # [ 64.883308] full_proxy_write+0x56/0x80 # [ 64.893810] vfs_write+0xea/0x390 # [ 64.903729] ksys_write+0x68/0xe0 # [ 64.913649] do_syscall_64+0x33/0x40 # [ 64.923862] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.935720] RIP: 0033:0x7f5ad9946f33 # [ 64.945924] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.973126] RSP: 002b:00007ffdff55ff68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.987801] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5ad9946f33 # [ 65.001992] RDX: 0000000000000017 RSI: 00007f5ad9837000 RDI: 0000000000000001 # [ 65.016183] RBP: 00007f5ad9837000 R08: 00007f5ad9836010 R09: 0000000000000000 # [ 65.030373] R10: 00007f5ad9a411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.044565] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.058758] irq event stamp: 0 # [ 65.068381] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.081602] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.096957] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.112311] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.125531] ---[ end trace 5b234276589fd04b ]--- # [ 65.136906] 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 # [ 65.523961] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 65.536427] lkdtm: attempting bad refcount_dec() from saturated # [ 65.543075] ------------[ cut here ]------------ # [ 65.548259] refcount_t: decrement hit 0; leaking memory. # [ 65.560429] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 65.569767] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.602406] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 65.611060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.617866] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 65.623604] Code: ff 48 c7 c7 70 bf a5 b0 c6 05 e6 20 76 01 01 e8 bd 0e 93 00 0f 0b c3 48 c7 c7 40 bf a5 b0 c6 05 d1 20 76 01 01 e8 a7 0e 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 65.644588] RSP: 0018:ffffb64d02e07e48 EFLAGS: 00010286 # [ 65.650425] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 65.658400] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 65.666373] RBP: ffffffffb0ac0534 R08: 0000000000000000 R09: 0000000000000000 # [ 65.674344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.682314] R13: ffffb64d02e07f10 R14: ffffb64d02e07f10 R15: ffff9b8b8299f000 # [ 65.690277] FS: 00007f5ba570d580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 65.699317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.705734] CR2: 00007f5ba5526000 CR3: 00000001032b4005 CR4: 00000000003706e0 # [ 65.713727] Call Trace: # [ 65.716457] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 65.721929] direct_entry.cold+0x2c/0x38 # [ 65.726309] full_proxy_write+0x56/0x80 # [ 65.730593] vfs_write+0xea/0x390 # [ 65.734292] ksys_write+0x68/0xe0 # [ 65.737992] do_syscall_64+0x33/0x40 # [ 65.741984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.747627] RIP: 0033:0x7f5ba5635f33 # [ 65.751616] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.772604] RSP: 002b:00007fff394a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.781061] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5ba5635f33 # [ 65.789027] RDX: 0000000000000017 RSI: 00007f5ba5526000 RDI: 0000000000000001 # [ 65.796999] RBP: 00007f5ba5526000 R08: 00007f5ba5525010 R09: 0000000000000000 # [ 65.804972] R10: 00007f5ba57301c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.819159] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.827135] irq event stamp: 0 # [ 65.836751] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.843754] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.852894] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.862032] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.869034] ---[ end trace 5b234276589fd04c ]--- # [ 65.874189] 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 # [ 65.958726] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 65.967666] lkdtm: attempting bad refcount_dec() from saturated # [ 65.980498] ------------[ cut here ]------------ # [ 65.991867] refcount_t: saturated; leaking memory. # [ 66.003465] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.018985] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.051632] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 66.066498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.079523] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.091479] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 7a 21 76 01 00 75 f2 48 c7 c7 c0 be a5 b0 c6 05 6a 21 76 01 01 e8 3d 0f 93 00 <0f> 0b c3 80 3d 5a 21 76 01 00 75 d3 48 c7 c7 e8 be a5 b0 c6 05 4a # [ 66.118683] RSP: 0018:ffffb64d02e9fe48 EFLAGS: 00010286 # [ 66.130732] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.138726] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 66.152908] RBP: ffffffffb0ac054b R08: 0000000000000000 R09: 0000000000000000 # [ 66.160880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.168855] R13: ffffb64d02e9ff10 R14: ffffb64d02e9ff10 R15: ffff9b8b853eb000 # [ 66.176828] FS: 00007f11245b2580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 66.192083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.204731] CR2: 00007f11243cb000 CR3: 00000001050c6001 CR4: 00000000003706e0 # [ 66.212702] Call Trace: # [ 66.215478] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 66.227141] direct_entry.cold+0x2c/0x38 # [ 66.237737] full_proxy_write+0x56/0x80 # [ 66.248236] vfs_write+0xea/0x390 # [ 66.251936] ksys_write+0x68/0xe0 # [ 66.261847] do_syscall_64+0x33/0x40 # [ 66.272057] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.277717] RIP: 0033:0x7f11244daf33 # [ 66.287903] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.308891] RSP: 002b:00007ffd7baaaac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.323562] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f11244daf33 # [ 66.331536] RDX: 0000000000000017 RSI: 00007f11243cb000 RDI: 0000000000000001 # [ 66.339509] RBP: 00007f11243cb000 R08: 00007f11243ca010 R09: 0000000000000000 # [ 66.353695] R10: 00007f11245d51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.361666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.375867] irq event stamp: 0 # [ 66.379279] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.392498] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.407855] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.423210] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.430213] ---[ end trace 5b234276589fd04d ]--- # [ 66.435370] 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 # [ 66.938984] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 66.951159] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 66.964862] ------------[ cut here ]------------ # [ 66.976231] refcount_t: saturated; leaking memory. # [ 66.987810] WARNING: CPU: 1 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.003347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.035993] CPU: 1 PID: 2490 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 67.050859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.063887] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.075844] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b # [ 67.103048] RSP: 0018:ffffb64d02f1fe38 EFLAGS: 00010282 # [ 67.115103] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.129293] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 67.143484] RBP: ffffffffb0ac0178 R08: 0000000000000000 R09: 0000000000000000 # [ 67.157680] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.171870] R13: ffffb64d02f1ff10 R14: ffffb64d02f1ff10 R15: ffff9b8b857b8000 # [ 67.186063] FS: 00007ff878db8580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 67.201322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.213957] CR2: 00007ff878bd1000 CR3: 0000000102796003 CR4: 00000000003706e0 # [ 67.228145] Call Trace: # [ 67.230879] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.243221] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.255755] direct_entry.cold+0x2c/0x38 # [ 67.266355] full_proxy_write+0x56/0x80 # [ 67.276856] vfs_write+0xea/0x390 # [ 67.286772] ksys_write+0x68/0xe0 # [ 67.290474] do_syscall_64+0x33/0x40 # [ 67.300690] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.312547] RIP: 0033:0x7ff878ce0f33 # [ 67.322752] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.349959] RSP: 002b:00007ffdc594f098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.364635] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff878ce0f33 # [ 67.378828] RDX: 0000000000000020 RSI: 00007ff878bd1000 RDI: 0000000000000001 # [ 67.393019] RBP: 00007ff878bd1000 R08: 00007ff878bd0010 R09: 0000000000000000 # [ 67.407210] R10: 00007ff878ddb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.421399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.435590] irq event stamp: 0 # [ 67.445215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.458435] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.473791] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.489146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.502365] ---[ end trace 5b234276589fd04e ]--- # [ 67.513740] 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 # [ 67.611374] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 67.620548] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 67.634258] ------------[ cut here ]------------ # [ 67.645623] refcount_t: saturated; leaking memory. # [ 67.657190] WARNING: CPU: 0 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.672770] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.705387] CPU: 0 PID: 2522 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 67.720265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.733277] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.745271] Code: 05 4a 21 76 01 01 e8 1e 0f 93 00 0f 0b c3 80 3d 3d 21 76 01 00 75 b4 48 c7 c7 c0 be a5 b0 c6 05 2d 21 76 01 01 e8 ff 0e 93 00 <0f> 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b # [ 67.772429] RSP: 0018:ffffb64d02f97e38 EFLAGS: 00010282 # [ 67.784466] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.798698] RDX: ffff9b8bfac2c660 RSI: ffff9b8bfac1bf70 RDI: ffff9b8bfac1bf70 # [ 67.812911] RBP: ffffffffb0ac0198 R08: 0000000000000000 R09: 0000000000000000 # [ 67.827086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.841290] R13: ffffb64d02f97f10 R14: ffffb64d02f97f10 R15: ffff9b8b8274c000 # [ 67.855470] FS: 00007f3f75d5b580(0000) GS:ffff9b8bfac00000(0000) knlGS:0000000000000000 # [ 67.870769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.883367] CR2: 00007f3f75b74000 CR3: 000000010359e003 CR4: 00000000003706f0 # [ 67.897570] Call Trace: # [ 67.906510] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.918877] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.931400] direct_entry.cold+0x2c/0x38 # [ 67.942008] full_proxy_write+0x56/0x80 # [ 67.952498] vfs_write+0xea/0x390 # [ 67.962422] ksys_write+0x68/0xe0 # [ 67.972334] do_syscall_64+0x33/0x40 # [ 67.982558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.994397] RIP: 0033:0x7f3f75c83f33 # [ 68.004635] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.031814] RSP: 002b:00007ffd97bd8c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.046503] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3f75c83f33 # [ 68.060730] RDX: 0000000000000020 RSI: 00007f3f75b74000 RDI: 0000000000000001 # [ 68.074907] RBP: 00007f3f75b74000 R08: 00007f3f75b73010 R09: 0000000000000000 # [ 68.089097] R10: 00007f3f75d7e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.103282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.117469] irq event stamp: 0 # [ 68.127083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.140307] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.155683] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.171025] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.178066] ---[ end trace 5b234276589fd04f ]--- # [ 68.189391] 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 # [ 68.333855] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.347052] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.354583] ------------[ cut here ]------------ # [ 68.359764] refcount_t: underflow; use-after-free. # [ 68.365148] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.374492] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.400936] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 68.409590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.422613] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.434565] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 # [ 68.461770] RSP: 0018:ffffb64d0302fe40 EFLAGS: 00010286 # [ 68.467606] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.475576] RDX: ffff9b8bfadac660 RSI: ffff9b8bfad9bf70 RDI: ffff9b8bfad9bf70 # [ 68.483548] RBP: ffffffffb0ac01b8 R08: 0000000000000000 R09: 0000000000000000 # [ 68.491511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.499481] R13: ffffb64d0302ff10 R14: ffffb64d0302ff10 R15: ffff9b8b85420000 # [ 68.507453] FS: 00007ff504a4d580(0000) GS:ffff9b8bfad80000(0000) knlGS:0000000000000000 # [ 68.516482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.522898] CR2: 00007ff504866000 CR3: 000000010545e001 CR4: 00000000003706e0 # [ 68.530871] Call Trace: # [ 68.533602] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 68.539753] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 68.546076] direct_entry.cold+0x2c/0x38 # [ 68.550457] full_proxy_write+0x56/0x80 # [ 68.554739] vfs_write+0xea/0x390 # [ 68.558437] ksys_write+0x68/0xe0 # [ 68.562136] do_syscall_64+0x33/0x40 # [ 68.566128] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.571770] RIP: 0033:0x7ff504975f33 # [ 68.575760] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.596748] RSP: 002b:00007ffd11027cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.605205] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff504975f33 # [ 68.613166] RDX: 0000000000000020 RSI: 00007ff504866000 RDI: 0000000000000001 # [ 68.621138] RBP: 00007ff504866000 R08: 00007ff504865010 R09: 0000000000000000 # [ 68.629109] R10: 00007ff504a701c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.637080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.645046] irq event stamp: 0 # [ 68.648453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.655454] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.664593] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.673729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.680730] ---[ end trace 5b234276589fd050 ]--- # [ 68.685886] 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 # [ 68.797170] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 68.805088] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 68.818801] ------------[ cut here ]------------ # [ 68.830162] refcount_t: underflow; use-after-free. # [ 68.835528] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.851054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.883702] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 68.898569] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.905379] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.911120] Code: 05 2d 21 76 01 01 e8 ff 0e 93 00 0f 0b c3 80 3d 1b 21 76 01 00 75 95 48 c7 c7 18 bf a5 b0 c6 05 0b 21 76 01 01 e8 e0 0e 93 00 <0f> 0b c3 80 3d fa 20 76 01 00 0f 85 72 ff ff ff 48 c7 c7 70 bf a5 # [ 68.938321] RSP: 0018:ffffb64d030b7e40 EFLAGS: 00010286 # [ 68.950375] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 68.958350] RDX: ffff9b8bfacac660 RSI: ffff9b8bfac9bf70 RDI: ffff9b8bfac9bf70 # [ 68.972534] RBP: ffffffffb0ac01d8 R08: 0000000000000000 R09: 0000000000000000 # [ 68.980506] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.988471] R13: ffffb64d030b7f10 R14: ffffb64d030b7f10 R15: ffff9b8b84bb7000 # [ 68.996446] FS: 00007f4121b52580(0000) GS:ffff9b8bfac80000(0000) knlGS:0000000000000000 # [ 69.011699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.018118] CR2: 00007f412196b000 CR3: 000000010274c006 CR4: 00000000003706e0 # [ 69.032300] Call Trace: # [ 69.035032] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.047376] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 69.059914] direct_entry.cold+0x2c/0x38 # [ 69.070511] full_proxy_write+0x56/0x80 # [ 69.081016] vfs_write+0xea/0x390 # [ 69.090928] ksys_write+0x68/0xe0 # [ 69.100843] do_syscall_64+0x33/0x40 # [ 69.111049] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.122907] RIP: 0033:0x7f4121a7af33 # [ 69.126900] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.154101] RSP: 002b:00007fff8c9ed9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.168775] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4121a7af33 # [ 69.176750] RDX: 0000000000000020 RSI: 00007f412196b000 RDI: 0000000000000001 # [ 69.190934] RBP: 00007f412196b000 R08: 00007f412196a010 R09: 0000000000000000 # [ 69.198908] R10: 00007f4121b751c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.213091] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.221067] irq event stamp: 0 # [ 69.230690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.237712] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.253046] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.262189] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.275399] ---[ end trace 5b234276589fd051 ]--- # [ 69.280545] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 70.207450] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.219921] lkdtm: attempting good copy_to_user of correct size # [ 70.232781] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 70.331504] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.339629] lkdtm: attempting good copy_from_user of correct size # [ 70.352662] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 70.459271] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.472479] lkdtm: attempting good copy_to_user inside whitelist # [ 70.485410] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 70.604396] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.617588] lkdtm: attempting good copy_from_user inside whitelist # [ 70.624502] 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 # [ 70.723495] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.731654] lkdtm: good_stack: ffffb64d0342fe20-ffffb64d0342fe40 # [ 70.744587] lkdtm: bad_stack : ffffb64d0342fda8-ffffb64d0342fdc8 # [ 70.757504] lkdtm: attempting good copy_to_user of local stack # [ 70.770209] 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 # [ 70.867000] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.877152] lkdtm: good_stack: ffffb64d034b7e20-ffffb64d034b7e40 # [ 70.883867] lkdtm: bad_stack : ffffb64d034b7da8-ffffb64d034b7dc8 # [ 70.890585] lkdtm: attempting good copy_from_user of local stack # [ 70.903506] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 71.024910] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.035255] lkdtm: good_stack: ffffb64d03507e20-ffffb64d03507e40 # [ 71.048196] lkdtm: bad_stack : ffffb64d03507ff8-ffffb64d03508018 # [ 71.061114] lkdtm: attempting good copy_to_user of local stack # [ 71.073854] lkdtm: attempting bad copy_to_user of distant stack # [ 71.086666] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 71.184262] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.191909] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb06d9f10 # [ 71.200600] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaf4d10e0 # [ 71.208991] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 71.313538] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.320343] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.328229] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.336012] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.342732] CPU: 3 PID: 2957 Comm: cat Tainted: G D W 5.10.131-cip13 #1 # [ 71.351382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.358185] Call Trace: # [ 71.360917] dump_stack+0x77/0x97 # [ 71.364617] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 71.369773] direct_entry.cold+0x2c/0x38 # [ 71.374143] full_proxy_write+0x56/0x80 # [ 71.378423] vfs_write+0xea/0x390 # [ 71.382119] ksys_write+0x68/0xe0 # [ 71.385817] do_syscall_64+0x33/0x40 # [ 71.389796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.395435] RIP: 0033:0x7f779fe83f33 # [ 71.399423] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.420406] RSP: 002b:00007ffde0cda0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.428862] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f779fe83f33 # [ 71.436832] RDX: 0000000000000012 RSI: 00007f779fd74000 RDI: 0000000000000001 # [ 71.444800] RBP: 00007f779fd74000 R08: 00007f779fd73010 R09: 0000000000000000 # [ 71.452768] R10: 00007f779ff7e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.460738] 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 # [ 71.580400] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.586969] lkdtm: Calling matched prototype ... # [ 71.598338] lkdtm: Calling mismatched prototype ... # [ 71.610001] 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 / #