[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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 42577 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 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 376225 run 169627 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 8971 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 8975 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8976 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8965 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8972 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90963 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107752 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 14152 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 14154 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 53527 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13865 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 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 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10038 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 10038 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466042 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486140 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 825918 exit 39265 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113975 exit 29 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 227 run 139290 exit 20459 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 30776 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23470 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 23783 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2388 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24387 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 2022-11-26 10:55:49 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-26 10:55:49 UTC ELOG: Event(92) added with size 9 at 2022-11-26 10:55:49 UTC ELOG: Event(9A) added with size 9 at 2022-11-26 10:55:49 UTC ELOG: Event(AD) added with size 10 at 2022-11-26 10:55:49 UTC ELOG: Event(9F) added with size 14 at 2022-11-26 10:55:49 UTC BS: BS_DEV_INIT times (us): entry 0 run 416891 exit 59975 ELOG: Event(A1) added with size 10 at 2022-11-26 10:55:49 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-26 10:55:49 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 25550 run 3969 exit 5190 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 5ba2 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537543 exit 145976 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CPU physical address size: 39 bits CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 633 run 259697 exit 135065 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 8138423/tftp-deploy-igql8hly/kernel/bzImage 8138423/tftp-deploy-igql8hly/kernel/cmdline 8138423/tftp-deploy-igql8hly/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8138423/tftp-deploy-igql8hly/kernel/bzImoy-igql8hly/kernel/cmdline 8138423/tftp-deploy-igql8hly/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:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8138423/tftp-deploy-igql8hly/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################ done. The bootfile was 13888640 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: 8138423/tftp-deploy-igql8hly/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/8138423/extract-nfsrootfs-ql2xuplw,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: 15827817 Starting kernel ... [ 0.000000] Linux version 5.10.155-cip21 (KernelCI@build-j588799-x86-64-gcc-10-x86-64-defconfig-x86-chromebooqzcz8) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Nov 26 10:46:04 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/8138423/extract-nfsrootfs-ql2xuplw,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 [ 0.000044] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001117] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005645] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.018867] check: Scanning 1 areas for low memory corruption [ 0.018877] Using GB pages for direct mapping [ 0.019519] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.019525] ACPI: Early table checksum verification disabled [ 0.019531] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.019542] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019555] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019568] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.019578] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019586] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019595] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.019605] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019614] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019623] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.019633] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.019642] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019652] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.019661] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019670] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.019674] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.019678] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019682] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019685] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.019689] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.019693] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.019696] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.019700] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.019704] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.019707] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.019711] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.019840] No NUMA configuration found [ 0.019844] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.019852] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.019886] Zone ranges: [ 0.019890] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.019896] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.019901] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.019907] Movable zone start for each node [ 0.019911] Early memory node ranges [ 0.019915] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.019919] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.019923] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.019928] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.019955] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.019990] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.029849] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.029912] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.029935] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.030274] ACPI: PM-Timer IO Port: 0x1808 [ 0.030324] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.030335] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.030340] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.030351] Using ACPI (MADT) for SMP configuration information [ 0.030356] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.030362] TSC deadline timer available [ 0.030366] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.030389] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.030394] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.030399] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.030402] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.030406] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.030409] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.030413] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.030416] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.030420] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.030423] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.030426] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.030430] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.030433] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.030436] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.030440] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.030447] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.030453] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.041414] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.041634] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.041698] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.041702] Policy zone: Normal [ 0.041713] 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/8138423/extract-nfsrootfs-ql2xuplw,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.042122] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.042314] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.042402] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.060447] Memory: 3888356K/4089052K available (18450K kernel code, 3459K rwdata, 6792K rodata, 2028K init, 13308K bss, 200436K reserved, 0K cma-reserved) [ 0.060570] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.060619] Kernel/User page tables isolation: enabled [ 0.060683] ftrace: allocating 52770 entries in 207 pages [ 0.105013] ftrace: allocated 207 pages with 6 groups [ 0.105243] Running RCU self tests [ 0.105256] rcu: Hierarchical RCU implementation. [ 0.105260] rcu: RCU event tracing is enabled. [ 0.105263] rcu: RCU lockdep checking is enabled. [ 0.105267] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.105271] Rude variant of Tasks RCU enabled. [ 0.105274] Tracing variant of Tasks RCU enabled. [ 0.105278] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.105281] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.113630] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.114034] random: crng init done [ 0.114123] Console: colour dummy device 80x25 [ 0.189223] printk: console [ttyS0] enabled [ 0.189592] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.190253] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.190613] ... MAX_LOCK_DEPTH: 48 [ 0.190974] ... MAX_LOCKDEP_KEYS: 8192 [ 0.191355] ... CLASSHASH_SIZE: 4096 [ 0.191730] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.192119] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.192502] ... CHAINHASH_SIZE: 32768 [ 0.192885] memory used by lock dependency info: 6365 kB [ 0.193352] memory used for stack traces: 4224 kB [ 0.193770] per task-struct memory footprint: 1920 bytes [ 0.194284] ACPI: Core revision 20200925 [ 0.194828] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.195326] APIC: Switch to symmetric I/O mode setup [ 0.199804] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.200720] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.201624] pid_max: default: 32768 minimum: 301 [ 0.201705] LSM: Security Framework initializing [ 0.201705] SELinux: Initializing. [ 0.201705] LSM support for eBPF active [ 0.201705] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.201705] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.201705] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.201705] process: using mwait in idle threads [ 0.201705] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.201705] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.201705] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.201705] Spectre V2 : Mitigation: IBRS [ 0.201705] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.201705] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201705] RETBleed: Mitigation: IBRS [ 0.201705] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.201705] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.201705] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.201705] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.201705] SRBDS: Vulnerable: No microcode [ 0.201705] ------------[ cut here ]------------ [ 0.201705] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.201705] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.201705] Modules linked in: [ 0.201705] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.155-cip21 #1 [ 0.201705] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.201705] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.201705] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 00 65 cc b7 c6 05 30 48 e4 01 01 e8 36 b6 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.201705] RSP: 0000:ffffffffb8003de0 EFLAGS: 00010282 [ 0.201705] RAX: 0000000000000000 RBX: ffffffffb8ad2d3c RCX: 0000000000000000 [ 0.201705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb657a891 [ 0.201705] RBP: ffffffffb79a0b60 R08: 0000000000000001 R09: 0000000000000001 [ 0.201705] R10: ffffffffb808fcc0 R11: 3fffffffffffffff R12: ffffffffb8ae9f2c [ 0.201705] R13: cccccccccccccccc R14: ffffffffb79a0b65 R15: 0000000000000004 [ 0.201705] FS: 0000000000000000(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 0.201705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.201705] CR2: ffff8b817efff000 CR3: 000000003de26001 CR4: 00000000003706f0 [ 0.201705] Call Trace: [ 0.201705] alternative_instructions+0x7d/0x143 [ 0.201705] check_bugs+0xedd/0xf39 [ 0.201705] start_kernel+0x517/0x54d [ 0.201705] secondary_startup_64_no_verify+0xc2/0xcb [ 0.201705] irq event stamp: 162457 [ 0.201705] hardirqs last enabled at (162465): [] console_unlock+0x4d1/0x5f0 [ 0.201705] hardirqs last disabled at (162472): [] console_unlock+0x444/0x5f0 [ 0.201705] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.201705] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.201705] ---[ end trace dd93a1e1caaa3844 ]--- [ 0.201705]# Freeing SMP alternatives memory: 44K [ 0.201705] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.202375] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.202720] ... version: 4 [ 0.203077] ... bit width: 48 [ 0.203438] ... generic registers: 4 [ 0.203712] ... value mask: 0000ffffffffffff [ 0.204176] ... max period: 00007fffffffffff [ 0.204638] ... fixed-purpose events: 3 [ 0.204711] ... event mask: 000000070000000f [ 0.205690] rcu: Hierarchical SRCU implementation. [ 0.207594] smp: Bringing up secondary CPUs ... [ 0.208456] x86: Booting SMP configuration: [ 0.208727] .... node #0, CPUs: #1 [ 0.209763] 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. [ 0.210735] 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. [ 0.212386] #2 #3 [ 0.214509] smp: Brought up 1 node, 4 CPUs [ 0.215074] smpboot: Max logical packages: 1 [ 0.215456] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.218040] devtmpfs: initialized [ 0.218770] x86/mm: Memory block size: 128MB [ 0.222798] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.223733] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.224730] pinctrl core: initialized pinctrl subsystem [ 0.225543] PM: RTC time: 10:56:00, date: 2022-11-26 [ 0.226241] NET: Registered protocol family 16 [ 0.227340] audit: initializing netlink subsys (disabled) [ 0.227755] audit: type=2000 audit(1669460160.027:1): state=initialized audit_enabled=0 res=1 [ 0.228423] thermal_sys: Registered thermal governor 'step_wise' [ 0.228498] thermal_sys: Registered thermal governor 'user_space' [ 0.228789] cpuidle: using governor menu [ 0.229863] ACPI: bus type PCI registered [ 0.230568] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.230720] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.231337] PCI: Using configuration type 1 for base access [ 0.254815] Kprobes globally optimized [ 0.255186] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.255727] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.256484] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.258862] ACPI: Added _OSI(Module Device) [ 0.259236] ACPI: Added _OSI(Processor Device) [ 0.259628] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.260718] ACPI: Added _OSI(Processor Aggregator Device) [ 0.261192] ACPI: Added _OSI(Linux-Dell-Video) [ 0.261585] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.261714] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.274959] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.283751] ACPI: EC: EC started [ 0.284062] ACPI: EC: interrupt blocked [ 0.285191] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.285638] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.286714] ACPI: Interpreter enabled [ 0.287113] ACPI: (supports S0 S3 S4 S5) [ 0.287463] ACPI: Using IOAPIC for interrupt routing [ 0.287791] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.306342] ACPI: Power Resource [PRIC] (on) [ 0.433705] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.433722] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.434808] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.435476] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.437351] PCI host bridge to bus 0000:00 [ 0.437716] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.438304] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.438713] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.439358] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.439713] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.440358] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.440713] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.441358] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.442714] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.443359] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.443713] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.444358] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.444713] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.445358] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.446714] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.447358] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.447713] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.448358] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.448713] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.449359] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.449714] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.450278] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.452746] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.453291] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.453726] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.454357] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.455388] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.455737] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.457131] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.457678] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.459402] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.459750] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.460476] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.461510] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.461750] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.463052] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.463610] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.465573] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.465757] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.467233] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.467758] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.468367] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.469553] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.470758] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.472229] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.472909] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.474238] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.474758] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.476199] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.476758] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.478193] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.478757] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.480308] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.480752] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.482154] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.483500] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.483744] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.485086] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.485643] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.486772] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.487461] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.488515] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.488779] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.489435] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.491485] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.491745] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.493361] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.493909] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.495626] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.497473] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.498731] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.500674] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501628] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.502007] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.502932] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503857] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.504781] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.505704] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506628] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.513815] ACPI: EC: interrupt unblocked [ 0.514181] ACPI: EC: event unblocked [ 0.514517] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.514712] ACPI: EC: GPE=0x6e [ 0.514993] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.515604] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.516753] iommu: Default domain type: Translated [ 0.517835] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.518322] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.518735] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.519236] vgaarb: loaded [ 0.520025] SCSI subsystem initialized [ 0.520935] ACPI: bus type USB registered [ 0.520935] usbcore: registered new interface driver usbfs [ 0.521377] usbcore: registered new interface driver hub [ 0.521752] usbcore: registered new device driver usb [ 0.522315] pps_core: LinuxPPS API ver. 1 registered [ 0.522712] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.523505] PTP clock support registered [ 0.524942] Advanced Linux Sound Architecture Driver Initialized. [ 0.526677] NetLabel: Initializing [ 0.526713] NetLabel: domain hash size = 128 [ 0.527099] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.527658] NetLabel: unlabeled traffic allowed by default [ 0.528834] PCI: Using ACPI for IRQ routing [ 0.536707] clocksource: Switched to clocksource tsc-early [ 0.909800] VFS: Disk quotas dquot_6.6.0 [ 0.910194] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.911150] pnp: PnP ACPI init [ 0.912191] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.912786] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.913362] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.913947] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.914522] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.915107] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.915723] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.916327] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.916911] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.917484] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.918949] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.919837] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.920586] system 00:04: [io 0x0200] has been reserved [ 0.921070] system 00:04: [io 0x0204] has been reserved [ 0.921538] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.922065] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.924931] pnp: PnP ACPI: found 6 devices [ 0.938671] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.939551] NET: Registered protocol family 2 [ 0.940085] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.942135] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.943083] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.943977] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.946183] TCP: Hash tables configured (established 32768 bind 32768) [ 0.947024] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.947926] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.948748] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.949702] NET: Registered protocol family 1 [ 0.950701] RPC: Registered named UNIX socket transport module. [ 0.951256] RPC: Registered udp transport module. [ 0.951671] RPC: Registered tcp transport module. [ 0.952097] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.953156] NET: Registered protocol family 44 [ 0.953565] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.954036] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.954634] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.955180] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.955781] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.956375] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.956979] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.957572] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.958175] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.958787] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.959388] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.959996] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.960597] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.961205] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.961817] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.962418] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.963059] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.963659] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.964269] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.964879] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.965495] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.966104] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.966705] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.967688] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.970257] PCI: CLS 64 bytes, default 64 [ 0.970968] Unpacking initramfs... [ 1.225699] Freeing initrd memory: 8428K [ 1.226188] DMAR: Host address width 39 [ 1.226557] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.227095] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.227862] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.228406] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.228897] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.229665] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.230239] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.231108] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.231810] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.232310] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.232864] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.233335] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.233837] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.235895] kvm: already loaded the other module [ 1.242200] check: Scanning for low memory corruption every 60 seconds [ 1.245612] Initialise system trusted keyrings [ 1.246240] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.264789] NFS: Registering the id_resolver key type [ 1.265266] Key type id_resolver registered [ 1.265658] Key type id_legacy registered [ 1.281948] Key type asymmetric registered [ 1.282334] Asymmetric key parser 'x509' registered [ 1.282826] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.283478] io scheduler mq-deadline registered [ 1.283890] io scheduler kyber registered [ 1.284436] test_firmware: interface ready [ 1.286240] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.287949] ACPI: AC Adapter [AC] (on-line) [ 1.288665] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.290282] ACPI: Lid Switch [LID0] [ 1.290864] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.291734] ACPI: Power Button [PWRF] [ 1.292441] ACPI: \_PR_.CP00: Found 3 idle states [ 1.293522] ACPI: \_PR_.CP01: Found 3 idle states [ 1.294466] ACPI: \_PR_.CP02: Found 3 idle states [ 1.295443] ACPI: \_PR_.CP03: Found 3 idle states [ 1.296857] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.300124] hpet_acpi_add: no address or irqs in _CRS [ 1.300847] Non-volatile memory driver v1.3 [ 1.301288] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.301405] Linux agpgart interface v0.103 [ 1.304739] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.357128] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.358922] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.384509] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.388294] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.405978] loop: module loaded [ 1.407075] lkdtm: No crash points registered, enable through debugfs [ 1.430015] printk: console [ttyS0] disabled [ 1.430648] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.279884] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.295145] printk: console [ttyS0] enabled [ 2.304029] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.326368] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.844809] fbcon: i915drmfb (fb0) is primary device [ 4.846206] clocksource: Switched to clocksource tsc [ 4.846879] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.854558] e100: Intel(R) PRO/100 Network Driver [ 4.854561] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.854619] e1000: Intel(R) PRO/1000 Network Driver [ 4.854621] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.854694] e1000e: Intel(R) PRO/1000 Network Driver [ 4.854696] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.854790] sky2: driver version 1.30 [ 4.855088] usbcore: registered new interface driver r8152 [ 4.855438] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.855465] ehci-pci: EHCI PCI platform driver [ 4.855522] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.855537] ohci-pci: OHCI PCI platform driver [ 4.855593] uhci_hcd: USB Universal Host Controller Interface driver [ 4.856556] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.857192] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.858427] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.859811] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.859912] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.863158] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.863174] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.863178] usb usb1: Product: xHCI Host Controller [ 4.863182] usb usb1: Manufacturer: Linux 5.10.155-cip21 xhci-hcd [ 4.863185] usb usb1: SerialNumber: 0000:00:14.0 [ 4.865160] hub 1-0:1.0: USB hub found [ 4.865341] hub 1-0:1.0: 12 ports detected [ 4.870324] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.870676] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.870686] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.871167] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.871174] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.871177] usb usb2: Product: xHCI Host Controller [ 4.871180] usb usb2: Manufacturer: Linux 5.10.155-cip21 xhci-hcd [ 4.871183] usb usb2: SerialNumber: 0000:00:14.0 [ 4.872244] hub 2-0:1.0: USB hub found [ 4.872335] hub 2-0:1.0: 6 ports detected [ 4.874851] usbcore: registered new interface driver usblp [ 4.874919] usbcore: registered new interface driver usb-storage [ 4.875442] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.875581] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.875583] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.876415] i8042: Warning: Keylock active [ 4.876803] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.878832] rtc_cmos 00:02: RTC can wake from S4 [ 4.880702] rtc_cmos 00:02: registered as rtc0 [ 4.880940] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.881097] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.882191] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.882235] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.882659] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.883413] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.884804] Console: switching to colour frame buffer device 240x67 [ 4.885164] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.885255] intel_pstate: Intel P-state driver initializing [ 4.886183] intel_pstate: HWP enabled [ 4.886230] sdhci: Secure Digital Host Controller Interface driver [ 4.886232] sdhci: Copyright(c) Pierre Ossman [ 4.886276] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.887629] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.887833] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.889259] hid: raw HID events driver (C) Jiri Kosina [ 4.889874] usbcore: registered new interface driver usbhid [ 4.889878] usbhid: USB HID core driver [ 4.890471] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.895217] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.896066] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.896981] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.897394] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.902763] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.108728] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.116152] gre: GRE over IPv4 demultiplexor driver [ 5.129063] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.133097] ip_gre: GRE over IPv4 tunneling driver [ 5.134111] IPv4 over IPsec tunneling driver [ 5.177262] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.184009] Initializing XFRM netlink socket [ 5.316586] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.323470] NET: Registered protocol family 10 [ 5.327126] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.351101] mmc0: new HS400 MMC card at address 0001 [ 5.358141] Segment Routing with IPv6 [ 5.367524] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.373680] ip6_gre: GRE over IPv6 tunneling driver [ 5.380583] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.388107] NET: Registered protocol family 17 [ 5.393292] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.393408] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.393614] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.399976] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.400745] Key type dns_resolver registered [ 5.421340] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.525228] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.533215] usb 2-3: Product: USB 10/100/1000 LAN [ 5.538472] usb 2-3: Manufacturer: Realtek [ 5.543059] usb 2-3: SerialNumber: 001000001 [ 5.548346] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.554615] microcode: Microcode Update Driver: v2.2. [ 5.554622] IPI shorthand broadcast: enabled [ 5.565086] sched_clock: Marking stable (5478321193, 86706680)->(5645181645, -80153772) [ 5.574282] registered taskstats version 1 [ 5.578900] Loading compiled-in X.509 certificates [ 5.587269] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.597243] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.600747] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.606823] PM: Magic number: 14:934:932 [ 5.617553] printk: console [netcon0] enabled [ 5.622482] netconsole: network logging started [ 5.782641] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.791833] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.799826] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.805202] usb 1-9: Manufacturer: Azurewave [ 5.809996] usb 1-9: SerialNumber: 0x0001 [ 5.822064] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.869176] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.919336] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.959522] r8152 2-3:1.0 eth0: v1.11.11 [ 5.964470] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.965094] IP-Config: Failed to open gretap0 [ 5.977590] IP-Config: Failed to open erspan0 [ 5.998858] Sending DHCP requests .. [ 8.928633] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.940065] r8152 2-3:1.0 eth0: carrier on [ 13.028862] ., OK [ 13.041099] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 [ 13.050060] IP-Config: Complete: [ 13.053675] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 [ 13.065347] host=asus-C433TA-AJ0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) [ 13.074590] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 13.074592] nameserver0=192.168.201.1 [ 13.087468] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 13.099128] modprobe (100) used greatest stack depth: 14208 bytes left [ 13.102359] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 13.114017] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 13.114841] ALSA device list: [ 13.123801] cfg80211: failed to load regulatory.db [ 13.126998] No soundcards found. [ 13.136543] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 13.146505] Freeing unused kernel image (initmem) memory: 2028K [ 13.161981] Write protecting the kernel read-only data: 28672k [ 13.169663] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 13.177599] Freeing unused kernel image (rodata/data gap) memory: 1400K [ 13.185148] Run /init as init process [ 13.190489] mkdir (104) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 13.210297] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 13.268627] udevadm (124) used greatest stack depth: 13576 bytes left [ 13.430272] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 13.439864] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.478121] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.531480] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.542000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.552038] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.567776] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.578624] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.588743] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.603539] udevadm (150) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 13.818254] nfsmount (163) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 14.137898] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 14.176053] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 14.194118] systemd[1]: Set hostname to . [ 14.514915] systemd[1]: Queued start job for default target Graphical Interface. [ 14.525311] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 14.541427] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 14.557430] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 14.574335] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 14.590269] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 14.609159] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 14.630962] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 14.654016] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 14.670014] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 14.680972] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 14.697055] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 14.707974] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 14.719280] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 14.737023] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 14.752963] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 14.769457] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 14.784879] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 14.802707] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 14.818377] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 14.835849] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 14.853775] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 14.871730] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 14.888782] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 14.904292] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 14.925798] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 14.940761] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 14.957147] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 14.977090] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.987817] fuse: init (API version 7.32) [ 14.994488] systemd[1]: Starting Journal Service... Starting Journal Service... [ 15.009836] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 15.023668] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 15.041613] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 15.061261] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 15.076170] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 15.092122] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 15.107104] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 15.123431] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 15.146815] systemd[1]: modprobe@configfs.service: Succeeded. [ 15.153828] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 15.169563] systemd[1]: modprobe@drm.service: Succeeded. [ 15.176188] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 15.192289] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... [ 15.291171] systemd-journald[198]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Create System Users. [ OK ] Finished Coldplug All udev Devices. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) [ 16.967302] run-parts (268) used greatest stack depth: 12568 bytes left [ 16.974741] sh (267) used greatest stack depth: 12528 bytes left Linux debian-bullseye-amd64 5.10.155-cip21 #1 SMP Sat Nov 26 10:46:04 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/8138423/extract-nfsrootfs-ql2xuplw' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8138423/extract-nfsrootfs-ql2xuplw' / # 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-8138423/environment . /lava-8138423/environment / # /lava-8138423/bin/lava-test-runner /lava-8138423/0 /lava-8138423/bin/lava-test-runner /lava-8138423/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8138423/0/tests/0_timesync-off ++ cat uuid + UUID=8138423_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8138423/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8138423_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/v5.10.155-cip21/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8138423/0/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. --2022-11-26 10:56:25-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.155-cip21/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: 3595884 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 5%[> ] 205.70K 357KB/s kselftest.tar.xz 16%[==> ] 584.67K 667KB/s kselftest.tar.xz 37%[======> ] 1.27M 1.10MB/s kselftest.tar.xz 48%[========> ] 1.67M 1.16MB/s kselftest.tar.xz 65%[============> ] 2.24M 1.29MB/s kselftest.tar.xz 82%[===============> ] 2.83M 1.40MB/s kselftest.tar.xz 100%[===================>] 3.43M 1.54MB/s in 2.2s 2022-11-26 10:56:28 (1.54 MB/s) - 'kselftest.tar.xz' saved [3595884/3595884] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 28.063697] 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 [ 28.216150] lkdtm: Performing direct entry BUG [ 28.221218] ------------[ cut here ]------------ [ 28.226412] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 28.232278] invalid opcode: 0000 [#1] SMP PTI [ 28.237151] CPU: 3 PID: 734 Comm: cat Tainted: G W 5.10.155-cip21 #1 [ 28.245705] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 28.252513] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 28.256896] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 28.277881] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 28.283715] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.291712] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 28.299705] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 28.307677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 28.315647] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 28.323617] FS: 00007fee21a5e580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 28.332657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.339064] CR2: 00007fee21867000 CR3: 000000010321e004 CR4: 00000000003706e0 [ 28.347033] Call Trace: [ 28.349762] direct_entry.cold+0x2c/0x38 [ 28.354166] full_proxy_write+0x53/0x80 [ 28.358448] vfs_write+0xe7/0x3a0 [ 28.362147] ksys_write+0x68/0xf0 [ 28.365845] do_syscall_64+0x30/0x40 [ 28.369835] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 28.375475] RIP: 0033:0x7fee219748f3 [ 28.379456] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 28.400440] RSP: 002b:00007ffcfe5c2f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.408898] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fee219748f3 [ 28.416869] RDX: 0000000000000004 RSI: 00007fee21867000 RDI: 0000000000000001 [ 28.424831] RBP: 00007fee21867000 R08: 00007fee21866010 R09: 0000000000000000 [ 28.432802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 28.440772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 28.448750] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 28.475225] ---[ end trace dd93a1e1caaa3846 ]--- [ 28.480394] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 28.484798] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 28.505815] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 28.511682] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.519685] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 28.527712] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 28.535697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 28.543672] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 28.551673] FS: 00007fee21a5e580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 28.560745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.567161] CR2: 00007fee21867000 CR3: 000000010321e004 CR4: 00000000003706e0 # Segmentation fault # [ 28.216150] lkdtm: Performing direct entry BUG # [ 28.221218] ------------[ cut here ]------------ # [ 28.226412] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 28.232278] invalid opcode: 0000 [#1] SMP PTI # [ 28.237151] CPU: 3 PID: 734 Comm: cat Tainted: G W 5.10.155-cip21 #1 # [ 28.245705] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.252513] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.256896] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f>[ 28.644105] lkdtm: Performing direct entry WARNING 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 28.649654] ------------[ cut here ]------------ # [ 28.277881] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 #[ 28.661016] WARNING: CPU: 1 PID: 770 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 28.283715] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX:[ 28.676641] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000000 # [ 28.291712] RDX: 0000000000000000 RSI: f[ 28.709290] CPU: 1 PID: 770 Comm: cat Tainted: G D W 5.10.155-cip21 #1 fff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 28.299705] RBP: fff[ 28.724061] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ [ 28.737086] RIP: 0010:lkdtm_WARNING+0x13/0x20 28.307677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 28.748170] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 c4 0000000000004 # [ 28.315647] R13: ffffb01ec142ff10 R14: ffffb[ 28.775373] RSP: 0018:ffffb01ec14a7e60 EFLAGS: 00010202 01ec142ff10 R15: ffff8b810333c000 # [ 28.323617] FS: 00007fe[ 28.787448] RAX: ffffffffb6ce0130 RBX: 0000000000000002 RCX: 0000000000000000 e21a5e580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000[ 28.801620] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI: ffffffffb79a06e0 # [ 28.332657] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 28.815806] RBP: ffffffffb7d883c7 R08: 0000000000000000 R09: 0000000000000000 0033 # [ 28.339064] CR2: 00007fee21867000 CR3: 000000010321e0[ 28.829998] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 28.844189] R13: ffffb01ec14a7f10 R14: ffffb01ec14a7f10 R15: ffff8b8103600000 04 CR4: 00000000003706e0 # [ 28.347033] Call Trace: # [ 28[ 28.852163] FS: 00007f16cb62f580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 .349762] direct_entry.cold+0x2c/0x38 # [ 28.354166] full_pr[ 28.867415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.880051] CR2: 00007f16cb438000 CR3: 0000000103840002 CR4: 00000000003706e0 oxy_write+0x53/0x80 # [ 28.358448] vfs_write+0xe7/0x3a0 # [[ 28.888026] Call Trace: 28.362147] ksys_write+0x68/0xf0 # [ 28.365845] do_syscal[ 28.896968] direct_entry.cold+0x2c/0x38 l_64+0x30/0x40 # [ 28.369835] entry_SYSCALL_64_after_hwframe[ 28.907565] full_proxy_write+0x53/0x80 +0x61/0xc6 # [ 28.375475] RIP: 0033:0x7fee219748f3 # [ 28.[ 28.918084] vfs_write+0xe7/0x3a0 379456] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 28.928011] ksys_write+0x68/0xf0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 28.937899] do_syscall_64+0x30/0x40 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 28.948105] entry_SYSCALL_64_after_hwframe+0x61/0xc6 48 89 54 24 18 # [ 28.400440] RSP: 002b:00007ffcfe5c2f08 EFL[ 28.959967] RIP: 0033:0x7f16cb5458f3 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.408898] RAX: [ 28.970175] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffffffffffffda RBX: 0000000000000004 RCX: 00007fee219748f3 # [ 28.997378] RSP: 002b:00007ffea1a115b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.012055] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f16cb5458f3 [ 28.416869] RDX: 0000000000000004 RSI: 00007fee21867000 RDI: [ 29.020029] RDX: 0000000000000008 RSI: 00007f16cb438000 RDI: 0000000000000001 0000000000000001 # [ 28.424831] RBP: 00007fee21867000 R08: 00[ 29.034217] RBP: 00007f16cb438000 R08: 00007f16cb437010 R09: 0000000000000000 [ 29.048407] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 007fee21866010 R09: 0000000000000000 # [ 28.432802] R10: ffff[ 29.056382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 29.070589] irq event stamp: 0 [ 29.080192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 28.440772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 29.087199] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000020000 # [ 28.448750] Modules linked in: fuse ip_tables[ 29.102546] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buf[ 29.117903] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.131121] ---[ end trace dd93a1e1caaa3847 ]--- fer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 28.475225] ---[ end trace dd93a1e1caaa3846 ]--- # [ 28.480394] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.484798] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 28.505815] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 28.511682] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.519685] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a[ 29.199848] lkdtm: Performing direct entry WARNING_MESSAGE 06d0 # [ 28.527712] RBP: ffffffffb7de3998 R08: 00000000000000[ 29.210804] ------------[ cut here ]------------ 01 R09: 0000000000000001 # [ 28.535697] R10: 00000000ffffe000[ 29.222187] Warning message trigger count: 2 R11: 3fffffffffffffff R12: 0000000000000004 # [ 28.543672] R[ 29.233183] WARNING: CPU: 0 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000[ 29.249588] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 28.551673] FS: 00007fee21a5e580(0000) GS:ffff8b817ad800[ 29.282247] CPU: 0 PID: 806 Comm: cat Tainted: G D W 5.10.155-cip21 #1 00(0000) knlGS:0000000000000000 # [ 28.560745] CS: 0010 DS: [ 29.297037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000 ES: 0000 CR0: 0000000080050033 # [ 28.567161] CR2: 00007[ 29.310050] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 fee21867000 CR3: 000000010321e004 CR4: 00000000003706e0 # BUG: [ 29.321938] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 c4 92 02 48 c7 c7 28 89 d8 b7 8d 70 01 89 35 c1 c4 92 02 e8 9b 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selfte[ 29.349120] RSP: 0018:ffffb01ec151fe60 EFLAGS: 00010286 sts: lkdtm: WARNING.sh # [ 28.644105] lkdtm: Performing direc[ 29.361232] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 t entry WARNING # [ 28.649654] ------------[ cut here ]------[ 29.375375] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 ------ # [ 28.661016] WARNING: CPU: 1 PID: 770 at drivers/mis[ 29.389614] RBP: ffffffffb7d883cf R08: 0000000000000000 R09: 0000000000000000 c/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 28.676641] Modu[ 29.403759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 29.418005] R13: ffffb01ec151ff10 R14: ffffb01ec151ff10 R15: ffff8b8103456000 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 29.432132] FS: 00007f43d09df580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_s[ 29.447395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 29.460024] CR2: 00007f43d07e8000 CR3: 000000010656e002 CR4: 00000000003706f0 28.709290] CPU: 1 PID: 770 Comm: cat Tainted: G D W [ 29.474225] Call Trace: 5.10.155-cip21 #1 # [ 28.724061] Hardware name: Google Ra[ 29.483173] direct_entry.cold+0x2c/0x38 mmus/Rammus, BIOS 09/04/2020 # [ 28.737086] RIP: 0010:lkdtm_[ 29.493793] full_proxy_write+0x53/0x80 WARNING+0x13/0x20 # [ 28.748170] Code: c0 f4 ff ff ff eb c9 0[ 29.504270] vfs_write+0xe7/0x3a0 f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 29.514187] ksys_write+0x68/0xf0 05 f0 c4 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 6[ 29.524105] do_syscall_64+0x30/0x40 6 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 c4 # [ 28.775373] RS[ 29.534322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 P: 0018:ffffb01ec14a7e60 EFLAGS: 00010202 # [ 28.787448] RAX:[ 29.546175] RIP: 0033:0x7f43d08f58f3 ffffffffb6ce0130 RBX: 0000000000000002 RCX: 0000000000000000 #[ 29.556382] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 28.801620] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI:[ 29.583581] RSP: 002b:00007fff0c894bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffffffb79a06e0 # [ 28.815806] RBP: ffffffffb7d883c7 R08: 0[ 29.598260] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f43d08f58f3 000000000000000 R09: 0000000000000000 # [ 28.829998] R10: 000[ 29.612446] RDX: 0000000000000010 RSI: 00007f43d07e8000 RDI: 0000000000000001 [ 29.626621] RBP: 00007f43d07e8000 R08: 00007f43d07e7010 R09: 0000000000000000 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ [ 29.634614] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 28.844189] R13: ffffb01ec14a7f10 R14: ffffb01ec14a7f10 R15: fff[ 29.648818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f8b8103600000 # [ 28.852163] FS: 00007f16cb62f580(0000) GS:f[ 29.663043] irq event stamp: 0 fff8b817ac80000(0000) knlGS:0000000000000000 # [ 28.867415] C[ 29.672652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.88005[ 29.685871] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 1] CR2: 00007f16cb438000 CR3: 0000000103840002 CR4: 000000000037[ 29.701232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 06e0 # [ 28.888026] Call Trace: # [ 28.896968] direct_ent[ 29.716607] softirqs last disabled at (0): [<0000000000000000>] 0x0 ry.cold+0x2c/0x38 # [ 28.907565] full_proxy_write+0x53/0x80 [ 29.729839] ---[ end trace dd93a1e1caaa3848 ]--- # [ 28.918084] vfs_write+0xe7/0x3a0 # [ 28.928011] ksys_write+0x68/0xf0 # [ 28.937899] do_syscall_64+0x30/0x40 # [ 28.948105] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 28.959967] RIP: 0033:0x7f16cb5458f3 # [ 28.970175] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 28.997378] RSP: 002b:00007ffea1a115b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.012055] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f16cb5458f3 # [ 29.020029] RDX: [ 29.801428] lkdtm: Performing direct entry EXCEPTION 0000000000000008 RSI: 00007f16cb438000 RDI: 0000000000000001 # [ 29.808909] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 29.822884] #PF: supervisor write access in kernel mode [ 29.828733] #PF: error_code(0x0002) - not-present page [ 29.834477] PGD 0 P4D 0 [ 29.837301] Oops: 0002 [#2] SMP PTI [ 29.841193] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 29.849742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 29.856549] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 29.861515] Code: 48 c7 c7 28 89 d8 b7 8d 70 01 89 35 c1 c4 92 02 e8 9b 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 29.882500] RSP: 0018:ffffb01ec15cfe60 EFLAGS: 00010282 [ 29.888333] RAX: ffffffffb6ce0180 RBX: 0000000000000004 RCX: 0000000000000000 [ 29.896301] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffffffffb79a0700 [ 29.904270] RBP: ffffffffb7cbd657 R08: 0000000000000000 R09: 0000000000000000 [ 29.912239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 29.920207] R13: ffffb01ec15cff10 R14: ffffb01ec15cff10 R15: ffff8b8104cdd000 [ 29.928177] FS: 00007f2f593ca580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 29.937215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.943631] CR2: 0000000000000000 CR3: 00000001013d6001 CR4: 00000000003706f0 [ 29.951602] Call Trace: [ 29.954330] direct_entry.cold+0x2c/0x38 [ 29.958714] full_proxy_write+0x53/0x80 [ 29.963026] vfs_write+0xe7/0x3a0 [ 29.966744] ksys_write+0x68/0xf0 [ 29.970444] do_syscall_64+0x30/0x40 [ 29.974439] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 29.980078] RIP: 0033:0x7f2f592e08f3 [ 29.984067] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.005054] RSP: 002b:00007ffdb5fe4578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.013510] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2f592e08f3 [ 30.021478] RDX: 000000000000000a RSI: 00007f2f591d3000 RDI: 0000000000000001 [ 30.029449] RBP: 00007f2f591d3000 R08: 00007f2f591d2010 R09: 0000000000000000 [ 30.037418] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.045388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.053363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 30.079805] CR2: 0000000000000000 [ 30.083503] ---[ end trace dd93a1e1caaa3849 ]--- [ 30.088657] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 30.093033] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 30.114018] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 30.119843] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.127813] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 30.135786] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 30.143758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.151742] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 30.159713] FS: 00007f2f593ca580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 30.168775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.175191] CR2: 0000000000000000 CR3: 00000001013d6001 CR4: 00000000003706f0 [ 30.183162] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 30.193067] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 838, name: cat [ 30.201417] INFO: lockdep is turned off. [ 30.205794] irq event stamp: 0 [ 30.209199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.216200] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 30.225335] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 30.234463] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.241461] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 30.250015] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.256818] Call Trace: [ 30.259546] dump_stack+0x77/0x9b [ 30.263251] ___might_sleep.cold+0xa6/0xb6 [ 30.267827] exit_signals+0x1c/0x2e0 [ 30.271807] do_exit+0xd5/0xb00 [ 30.275303] ? ksys_write+0x68/0xf0 [ 30.279197] rewind_stack_do_exit+0x17/0x20 [ 30.283871] RIP: 0033:0x7f2f592e08f3 [ 30.287852] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.308836] RSP: 002b:00007ffdb5fe4578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.317294] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2f592e08f3 [ 30.325264] RDX: 000000000000000a RSI: 00007f2f591d3000 RDI: 0000000000000001 [ 30.333234] RBP: 00007f2f591d3000 R08: 00007f2f591d2010 R09: 0000000000000000 [ 30.341206] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.349168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 29.034217] RBP: 00007f16cb438000 R08: 00007f16cb437010 R09: 0000000000000000 # [ 29.048407] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.056382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.070589] irq event stamp: 0 # [ 29.080192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.087199] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 29.102546] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 29.117903] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.131121] ---[ end trace dd93a1e1caaa3847 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 29.199848] lkdtm: Performing direct entry WARNING_MESSAGE # [ 29.210804] ------------[ cut here ]------------ # [ 29.222187] Warning message trigger count: 2 # [ 29.233183] WARNING: CPU: 0 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.249588] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.282247] CPU: 0 PID: 806 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 29.297037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.310050] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.321938] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 c4 92 02 48 c7 c7 28 89 d8 b7 8d 70 01 89 35 c1 c4 92 02 e8 9b 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 29.349120] RSP: 0018:ffffb01ec151fe60 EFLAGS: 00010286 # [ 29.361232] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 29.375375] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 29.389614] RBP: ffffffffb7d883cf R08: 0000000000000000 R09: 0000000000000000 # [ 29.403759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010[ 30.562421] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 30.574694] lkdtm: attempting good list addition [ 30.579879] lkdtm: attempting corrupted list addition [ 30.585555] lkdtm: list_add() corruption not detected! # [ 29.418005] R13: ffffb01ec151ff10 R14: ffffb01ec151ff10 R15: ffff8b8103456000 # [ 29.432132] FS: 00007f43d09df580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 29.447395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.460024] CR2: 00007f43d07e8000 CR3: 000000010656e002 CR4: 00000000003706f0 # [ 29.474225] Call Trace: # [ 29.483173] direct_entry.cold+0x2c/0x38 # [ 29.493793] full_proxy_write+0x53/0x80 # [ 29.504270] vfs_write+0xe7/0x3a0 # [ 29.514187] ksys_write+0x68/0xf0 # [ 29.524105] do_syscall_64+0x30/0x40 # [ 29.534322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.546175] RIP: 0033:0x7f43d08f58f3 # [ 29.556382] Code:[ 30.657201] lkdtm: Performing direct entry CORRUPT_LIST_DEL 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 30.665951] lkdtm: attempting good list removal [ 30.677225] lkdtm: attempting corrupted list removal [ 30.682800] lkdtm: list_del() corruption not detected! 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.583581] RSP: 002b:00007fff0c894bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.598260] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f43d08f58f3 # [ 29.612446] RDX: 0000000000000010 RSI: 00007f43d07e8000 RDI: 0000000000000001 # [ 29.626621] RBP: 00007f43d07e8000 R08: 00007f43d07e7010 R09: 0000000000000000 # [ 29.634614] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.648818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.750100] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 30.757729] lkdtm: attempting bad read from page below current stack [ 30.764842] BUG: stack guard page was hit at 00000000d87bd43b (stack is 00000000bfb10af2..00000000639e4137) [ 30.775745] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 30.782552] CPU: 3 PID: 1063 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 30.791192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.797999] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 30.804512] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 c8 8c d8 b7 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 08 8d d8 b7 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 30.825497] RSP: 0018:ffffb01ec1947e50 EFLAGS: 00010246 [ 30.831330] RAX: 0000000000000038 RBX: ffffb01ec1944000 RCX: 0000000000000000 [ 30.839300] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb7d88d08 [ 30.847269] RBP: ffffffffb7d88432 R08: 0000000000000000 R09: 0000000000000000 [ 30.855238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 30.863207] R13: ffffb01ec1947f10 R14: ffffb01ec1947f10 R15: ffff8b8102786000 [ 30.871176] FS: 00007ff315f52580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 30.880212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.886627] CR2: ffffb01ec1943fff CR3: 00000001056fc002 CR4: 00000000003706e0 [ 30.894597] Call Trace: [ 30.897325] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 30.902382] direct_entry.cold+0x2c/0x38 [ 30.906760] full_proxy_write+0x53/0x80 [ 30.911042] vfs_write+0xe7/0x3a0 [ 30.914745] ksys_write+0x68/0xf0 [ 30.918444] do_syscall_64+0x30/0x40 [ 30.922432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.928072] RIP: 0033:0x7ff315e688f3 [ 30.932060] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.953040] RSP: 002b:00007fffabc08b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.961496] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff315e688f3 [ 30.969466] RDX: 0000000000000019 RSI: 00007ff315d5b000 RDI: 0000000000000001 [ 30.977435] RBP: 00007ff315d5b000 R08: 00007ff315d5a010 R09: 0000000000000000 [ 30.985406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.993376] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.001347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.663043] irq event stamp: 0 # [ 29.672652] hardirqs [ 31.027803] ---[ end trace dd93a1e1caaa384a ]--- [ 31.039169] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.043546] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 31.064529] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 31.070361] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.078329] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 31.086300] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 31.094269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.102237] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 31.110208] FS: 00007ff315f52580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 31.119246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.125661] CR2: ffffb01ec1943fff CR3: 00000001056fc002 CR4: 00000000003706e0 last enabled at (0): [<0000000000000000>] 0x0 # [ 29.685871] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 29.701232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 29.716607] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.729839] ---[ end trace dd93a1e1caaa3848 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 29.801428] lkdtm: Performing direct entry EXCEPTION # [ 29.808909] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 29.822884] #PF: supervisor write access in kernel mode # [ 29.828733] #PF: error_code(0x0002) - not-present page # [ 31.203482] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 29.834477] PGD 0 P4D 0 # [ 29.837301] Oops: 0002 [#2] SM[ 31.215368] lkdtm: attempting bad read from page above current stack P PTI # [ 29.841193] CPU: 0 PID: 838 Comm: cat Tainted: G [ 31.228691] BUG: stack guard page was hit at 0000000093afa1bd (stack is 00000000fd0afc93..00000000cb41b483) [ 31.245777] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 31.252584] CPU: 0 PID: 1096 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 31.261225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.268034] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 31.274651] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 40 8d d8 b7 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 80 8d d8 b7 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 31.295627] RSP: 0018:ffffb01ec1997e50 EFLAGS: 00010246 [ 31.301462] RAX: 0000000000000038 RBX: ffffb01ec1994000 RCX: 0000000000000000 [ 31.309433] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffffffffb7d88d80 [ 31.317405] RBP: ffffffffb7d8844b R08: 0000000000000000 R09: 0000000000000000 [ 31.325374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 31.333344] R13: ffffb01ec1997f10 R14: ffffb01ec1997f10 R15: ffff8b8104fa5000 [ 31.341316] FS: 00007f3352eb4580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 31.350347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.356755] CR2: ffffb01ec1998000 CR3: 00000001028e8006 CR4: 00000000003706f0 [ 31.364725] Call Trace: [ 31.367453] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 31.373293] direct_entry.cold+0x2c/0x38 [ 31.377674] full_proxy_write+0x53/0x80 [ 31.381961] vfs_write+0xe7/0x3a0 [ 31.385664] ksys_write+0x68/0xf0 [ 31.389364] do_syscall_64+0x30/0x40 [ 31.393359] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.398999] RIP: 0033:0x7f3352dca8f3 [ 31.402986] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.423970] RSP: 002b:00007fff9e440658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.432427] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3352dca8f3 [ 31.440396] RDX: 000000000000001a RSI: 00007f3352cbd000 RDI: 0000000000000001 [ 31.448366] RBP: 00007f3352cbd000 R08: 00007f3352cbc010 R09: 0000000000000000 [ 31.456337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.464299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.472273] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.498720] ---[ end trace dd93a1e1caaa384b ]--- [ 31.503876] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.508253] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 31.529236] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 31.535070] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.543041] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 31.551010] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 31.558979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.566949] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 31.574921] FS: 00007f3352eb4580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 31.583949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.590366] CR2: ffffb01ec1998000 CR3: 00000001028e8006 CR4: 00000000003706f0 [ 31.598336] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 31.608248] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1096, name: cat [ 31.616703] INFO: lockdep is turned off. [ 31.621079] irq event stamp: 0 [ 31.624484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.631484] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 31.640619] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 31.649754] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.656754] CPU: 0 PID: 1096 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 31.665404] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.672208] Call Trace: [ 31.674938] dump_stack+0x77/0x9b [ 31.678642] ___might_sleep.cold+0xa6/0xb6 [ 31.683222] exit_signals+0x1c/0x2e0 [ 31.687212] do_exit+0xd5/0xb00 [ 31.690706] ? ksys_write+0x68/0xf0 [ 31.694601] rewind_stack_do_exit+0x17/0x20 [ 31.699275] RIP: 0033:0x7f3352dca8f3 [ 31.703264] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.724240] RSP: 002b:00007fff9e440658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.732698] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3352dca8f3 [ 31.740660] RDX: 000000000000001a RSI: 00007f3352cbd000 RDI: 0000000000000001 [ 31.748631] RBP: 00007f3352cbd000 R08: 00007f3352cbc010 R09: 0000000000000000 [ 31.756601] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.764572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.155-cip21 #1 # [ 29.849742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.856549] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 29.861515] Code: 48 c7 c7 28 89 d8 b7 8d 70 01 89 35 c1 c4 92 02 e8 9b 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 29.882500] RSP: 0018:ffffb01ec15cfe60 EFLAGS: 00010282 # [ 29.888333] RAX: ffffffffb6ce0180 RBX: 0000000000000004 RCX: 0000000000000000 # [ 29.896301] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffffffffb79a0700 # [ 29.904270] RBP: ffffffffb7cbd657 R08: 0000000000000000 R09: 0000000000000000 # [ 29.912239] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 29.920207] R13: ffffb01ec15cff10 R14: ffffb01ec15cff10 R15: ffff8b8104cdd000 # [ 29.928177] FS: 00007f2f593ca580[ 31.857585] lkdtm: Performing direct entry UNSET_SMEP [ 31.865208] lkdtm: trying to clear SMEP normally [ 31.870399] ------------[ cut here ]------------ [ 31.875556] pinned CR4 bits changed: 0x100000!? [ 31.880639] WARNING: CPU: 3 PID: 1132 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 (0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 2[ 31.890856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.923495] CPU: 3 PID: 1132 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 31.932171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.938980] RIP: 0010:native_write_cr4+0x45/0x60 [ 31.944137] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 68 8e e3 01 00 75 f2 48 c7 c7 b0 76 cc b7 c6 05 58 8e e3 01 01 e8 46 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 31.965124] RSP: 0018:ffffb01ec1a17e48 EFLAGS: 00010286 [ 31.970960] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 31.978931] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 31.986906] RBP: ffffffffb7d88465 R08: 0000000000000000 R09: 0000000000000000 [ 31.994877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 32.002851] R13: ffffb01ec1a17f10 R14: ffffb01ec1a17f10 R15: ffff8b8103ff8000 [ 32.010825] FS: 00007f55635be580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 32.019867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.026285] CR2: 00007f55633c7000 CR3: 0000000104f0e002 CR4: 00000000003706e0 9.937215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 32.034263] Call Trace: [ 32.043208] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 32.048108] direct_entry.cold+0x2c/0x38 [ 32.052521] full_proxy_write+0x53/0x80 [ 32.056838] vfs_write+0xe7/0x3a0 [ 32.060570] ksys_write+0x68/0xf0 [ 32.064273] do_syscall_64+0x30/0x40 [ 32.068296] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.073965] RIP: 0033:0x7f55634d48f3 29.943631] CR2: 0000000000000000 CR3: 00000001013d6001 CR4: 0[ 32.077971] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.105161] RSP: 002b:00007ffd6ea5e9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.113642] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f55634d48f3 [ 32.121616] RDX: 000000000000000b RSI: 00007f55633c7000 RDI: 0000000000000001 [ 32.129588] RBP: 00007f55633c7000 R08: 00007f55633c6010 R09: 0000000000000000 [ 32.137563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.145536] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.153516] irq event stamp: 0 0000000003706f0 # [ 29.951602] Call Trace: # [ 29.954330] [ 32.156951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.170163] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 32.179330] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 32.188472] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.195474] ---[ end trace dd93a1e1caaa384c ]--- [ 32.200631] lkdtm: ok: SMEP did not get cleared [ 32.205690] lkdtm: trying to clear SMEP with call gadget [ 32.211624] lkdtm: ok: SMEP removal was reverted direct_entry.cold+0x2c/0x38 # [ 29.958714] full_proxy_write+0x53/0x80 # [ 29.963026] vfs_write+0xe7/0x3a0 # [ 29.966744] ksys_write+0x68/0xf0 # [ 29.970444] do_syscall_64+0x30/0x40 # [ 29.974439] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.980078] RIP: 0033:0x7f2f592e08f3 # [ 29.984067] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.005054] RSP: 002b:00007ffdb5fe4578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.013510] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2f592e08f3 # [ 30.021478] RDX: 000000000000000a RSI: 00007f2f591d3000 RDI: 000000000[ 32.286471] lkdtm: Performing direct entry DOUBLE_FAULT 0000001 # [ 30.029449] RBP: 00007f2f591d3000 R08: 00007f2f591[ 32.297271] lkdtm: XFAIL: this test is ia32-only d2010 R09: 0000000000000000 # [ 30.037418] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.045388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.053363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.079805] CR2: 0000000000000000 # [ 30.083503] ---[ end trace dd93a1e1caaa3849 ]--- # [ 30.088657] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.093033] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 32.377755] lkdtm: Performing direct entry CORRUPT_PAC [ 32.388946] lkdtm: XFAIL: this test is arm64-only b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 30.114018] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 30.119843] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.127813] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 30.135786] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 30.143758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.151742] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 30.159713] FS: 00007f2f593ca580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 30.168775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.175191] CR2: 0000000000000000 CR3: 00000001013d6001[ 32.464074] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 32.476018] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS CR4: 00000000003706f0 # [ 30.183162] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.193067] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 838, name: cat # [ 30.201417] INFO: lockdep is turned off. # [ 30.205794] irq event stamp: 0 # [ 30.209199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.216200] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 30.225335] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 30.234463] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.241461] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 30.250015] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.256818] Call Trace: # [ 30.259546] dump_stack+0x77/0x9b # [ 30.263251] ___might_sleep.cold+0xa6/0xb6 # [ 30.267827] exit_signals+0x1c/0x2e0 # [ 30.271807] do_exit+0xd5/0xb00 # [ 30.275303] ? ksys_write+0x68/0xf0 # [ 30.279197] rewind_stack_do_exit+0x17/0x20 # [ 30.283871] RIP: 0033:0x7f2f592e08f3 # [ 30.287852] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 32.613097] lkdtm: Performing direct entry READ_AFTER_FREE [ 32.620332] lkdtm: Value in memory before free: 12345678 54 24 18 # [ 30.308836] RSP: 002b:00007ffdb5fe4578 EFLAGS: 0[ 32.626270] lkdtm: Attempting bad read from freed memory [ 32.638413] lkdtm: Memory was not poisoned 0000246 ORIG_RAX: 0000000000000001 # [ 30.317294] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2f592e08f3 # [ 30.325264] RDX: 000000000000000a RSI: 00007f2f591d3000 RDI: 0000000000000001 # [ 30.333234] RBP: 00007f2f591d3000 R08: 00007f2f591d2010 R09: 0000000000000000 # [ 30.341206] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.349168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # s[ 32.746288] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE elftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 30.562421] lkdtm: Pe[ 32.755399] lkdtm: Value in memory before free: 12345678 rforming direct entry CORRUPT_LIST_ADD # [ 30.574694] lkdtm: [ 32.767567] lkdtm: Attempting to read from freed memory [ 32.779594] lkdtm: Buddy page was not poisoned attempting good list addition # [ 30.579879] lkdtm: attempting corrupted list addition # [ 30.585555] 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 # [ 30.657201] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 30.665951] lkdtm: attempting good list removal # [ 30.677225] lkdtm: attempting corrupted list removal # [ 30.682800] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_[ 32.849190] lkdtm: Performing direct entry SLAB_FREE_DOUBLE LEADING.sh # Segmentation fault # [ 30.750100] lkdtm: Perfor[ 32.859156] lkdtm: Attempting double slab free ... ming direct entry STACK_GUARD_PAGE_LEADING # [ 30.757729] lkdtm: attempting bad read from page below current stack # [ 30.764842] BUG: stack guard page was hit at 00000000d87bd43b (stack is 00000000bfb10af2..00000000639e4137) # [ 30.775745] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 30.782552] CPU: 3 PID: 1063 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 30.791192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.797999] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 30.804512] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 c8 8c d8 b7 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 08 8d d8 b7 <8a> 43 ff 88 44 2[ 32.934519] lkdtm: Performing direct entry SLAB_FREE_CROSS 4 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 30.8254[ 32.945275] lkdtm: Attempting cross-cache slab free ... 97] RSP: 0018:ffffb01ec1947e50 EFLAGS: 00010246 # [ 30.831330] RAX: 0000000000000038 RBX: ffffb01ec1944000 RCX: 0000000000000000 # [ 30.839300] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb7d88d08 # [ 30.847269] RBP: ffffffffb7d88432 R08: 0000000000000000 R09: 0000000000000000 # [ 30.855238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 30.863207] R13: ffffb01ec1947f10 R14: ffffb01ec1947f10 R15: ffff8b8102786000 # [ 30.871176] FS: 00007ff315f52580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 30.880212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.886627] CR2: ffffb01ec1943fff CR3: 00000001056fc002 CR4: 00000000003706e0 # [ 30.894597] Call Trace: # [ 30.897325] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 30.902382] direct_entry.c[ 33.033351] lkdtm: Performing direct entry SLAB_FREE_PAGE old+0x2c/0x38 # [ 30.906760] full_proxy_write+0x53/0x80 # [[ 33.044166] lkdtm: Attempting non-Slab slab free ... 30.911042] vfs_write+0xe7/0x3a0 # [ 30.914745] ksys_write+0x68/0xf0 # [ 30.918444] do_syscall_64+0x30/0x40 # [ 30.922432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.928072] RIP: 0033:0x7ff315e688f3 # [ 30.932060] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.953040] RSP: 002b:00007fffabc08b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.961496] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff315e688f3 # [ 30.969466] RDX: 0000000000000019 RSI: 00007ff315d5b000 RDI: 0000000000000001 # [ 30.977435] RBP: 00007ff315d5b000 R08: 00007ff315d5a010 R09: 0000000000000000 # [ 30.985406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.993376] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.001347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.027803] ---[ end trace dd93a1e1caaa384a ]--- # [ 31.039169] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.043546] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 31.064529] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 31.070361] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.078329] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 31.086300] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 31.094269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.102237] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 31.110208] FS: 00007ff315f52580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 31.119246] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 33.266066] lkdtm: Performing direct entry EXEC_DATA 00080050033 # [ 31.125661] CR2: ffffb01ec1943fff CR3: 0000000[ 33.272794] lkdtm: attempting ok execution at ffffffffb6ce04f0 1056fc002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_LEADING: saw[ 33.285508] lkdtm: attempting bad execution at ffffffffb960c660 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEA[ 33.298346] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 33.312895] BUG: unable to handle page fault for address: ffffffffb960c660 [ 33.320573] #PF: supervisor instruction fetch in kernel mode [ 33.326891] #PF: error_code(0x0011) - permissions violation [ 33.333111] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003f4000e3 [ 33.340602] Oops: 0011 [#5] SMP PTI [ 33.344494] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 33.353133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.359939] RIP: 0010:data_area+0x0/0x40 [ 33.364320] Code: ff ff 00 0a 25 00 81 8b ff ff 00 09 25 00 81 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 33.385302] RSP: 0018:ffffb01ec21dfe48 EFLAGS: 00010246 [ 33.391136] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.399105] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 [ 33.407072] RBP: ffffffffb960c660 R08: 0000000000000000 R09: 0000000000000000 [ 33.415041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 33.423010] R13: ffffb01ec21dff10 R14: ffffb01ec21dff10 R15: ffff8b81032a9000 [ 33.430980] FS: 00007f9e04548580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 33.440009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.446425] CR2: ffffffffb960c660 CR3: 00000001056d2003 CR4: 00000000003706f0 [ 33.454395] Call Trace: [ 33.457123] ? execute_location+0x45/0x56 [ 33.461594] ? direct_entry.cold+0x2c/0x38 [ 33.466167] ? full_proxy_write+0x53/0x80 [ 33.470642] ? vfs_write+0xe7/0x3a0 [ 33.474524] ? ksys_write+0x68/0xf0 [ 33.478417] ? do_syscall_64+0x30/0x40 [ 33.482599] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.488426] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.514862] CR2: ffffffffb960c660 [ 33.518560] ---[ end trace dd93a1e1caaa384d ]--- [ 33.523715] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.528113] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 33.549094] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 33.554927] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.562895] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 33.570863] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 33.578832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.586801] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 33.594784] FS: 00007f9e04548580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 33.603819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.610235] CR2: ffffffffb960c660 CR3: 00000001056d2003 CR4: 00000000003706f0 [ 33.618205] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.628117] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1639, name: cat [ 33.636571] INFO: lockdep is turned off. [ 33.640947] irq event stamp: 0 [ 33.644351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.651347] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 33.660483] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 33.669617] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.676615] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 33.685256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.692059] Call Trace: [ 33.694789] dump_stack+0x77/0x9b [ 33.698493] ___might_sleep.cold+0xa6/0xb6 [ 33.703064] exit_signals+0x1c/0x2e0 [ 33.707045] do_exit+0xd5/0xb00 [ 33.710548] ? ksys_write+0x68/0xf0 [ 33.714433] rewind_stack_do_exit+0x17/0x20 [ 33.719106] RIP: 0033:0x7f9e0445e8f3 [ 33.723094] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.744068] RSP: 002b:00007fff3402ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.752523] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9e0445e8f3 [ 33.760493] RDX: 000000000000000a RSI: 00007f9e04351000 RDI: 0000000000000001 [ 33.768462] RBP: 00007f9e04351000 R08: 00007f9e04350010 R09: 0000000000000000 [ 33.776430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.784397] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 DING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 31.203482] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 31.215368] lkdtm: attempting bad read from page above current stack # [ 31.228691] BUG: stack guard page was hit at 0000000093afa1bd (stack is 00000000fd0afc93..00000000cb41b483) # [ 31.245777] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 31.252584] CPU: 0 PID: 1096 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 31.261225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.268034] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 31.274651] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 40 8d d8 b7 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 80 8d d8 b7 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 31.295627] RSP: 0018:f[ 33.878377] lkdtm: Performing direct entry EXEC_STACK fffb01ec1997e50 EFLAGS: 00010246 # [ 31.301462] RAX: 00000000[ 33.885046] lkdtm: attempting ok execution at ffffffffb6ce04f0 00000038 RBX: ffffb01ec1994000 RCX: 0000000000000000 # [ 31.3[ 33.897832] lkdtm: attempting bad execution at ffffb01ec2267e18 09433] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffffffff[ 33.910679] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 33.925212] BUG: unable to handle page fault for address: ffffb01ec2267e18 [ 33.932890] #PF: supervisor instruction fetch in kernel mode [ 33.939210] #PF: error_code(0x0011) - permissions violation [ 33.945432] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104197067 PTE 80000001055cf063 [ 33.954477] Oops: 0011 [#6] SMP PTI [ 33.958368] CPU: 0 PID: 1675 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 33.967007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.973814] RIP: 0010:0xffffb01ec2267e18 [ 33.978193] Code: 00 00 18 7e 26 c2 1e b0 ff ff ff 05 34 b7 ff ff ff ff 20 00 00 00 00 00 00 00 8e 85 d8 b7 ff ff ff ff 2e 07 34 b7 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 33.999174] RSP: 0018:ffffb01ec2267df8 EFLAGS: 00010246 [ 34.005007] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.012975] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 [ 34.020944] RBP: ffffb01ec2267e18 R08: 0000000000000000 R09: 0000000000000000 [ 34.028912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 34.036883] R13: ffffb01ec2267f10 R14: ffffb01ec2267f10 R15: ffff8b81029ea000 [ 34.044852] FS: 00007f3d2eeb3580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 34.053881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.060297] CR2: ffffb01ec2267e18 CR3: 0000000103840001 CR4: 00000000003706f0 [ 34.068265] Call Trace: [ 34.070995] ? execute_location+0x45/0x56 [ 34.075466] ? lkdtm_EXEC_STACK+0x26/0x44 [ 34.079932] ? direct_entry.cold+0x2c/0x38 [ 34.084504] ? full_proxy_write+0x53/0x80 [ 34.088978] ? vfs_write+0xe7/0x3a0 [ 34.092870] ? ksys_write+0x68/0xf0 [ 34.096755] ? do_syscall_64+0x30/0x40 [ 34.100965] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.106802] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 34.133245] CR2: ffffb01ec2267e18 [ 34.136941] ---[ end trace dd93a1e1caaa384e ]--- [ 34.142096] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.146464] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 34.167448] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 34.173284] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.181253] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 34.189225] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 34.197194] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.205163] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 34.213133] FS: 00007f3d2eeb3580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 34.222171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.228587] CR2: ffffb01ec2267e18 CR3: 0000000103840001 CR4: 00000000003706f0 b7d88d80 # [ 31.317405] RBP: ffffffffb7d8844b R08: 0000000000000000 R09: 0000000000000000 # [ 31.325374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 31.333344] R13: ffffb01ec1997f10 R14: ffffb01ec1997f10 R15: ffff8b8104fa5000 # [ 31.341316] FS: 00007f3352eb4580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 31.350347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.356755] CR2: ffffb01ec1998000 CR3: 00000001028e8006 CR4: 00000000003706f0 # [ 31.364725] Call Trace: # [ 31.367453] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 31.373293] direct_entry.cold+0x2c/0x38 # [ 31.377674] full_proxy_write+0x53/0x80 # [ 31.381961] vfs_write+0xe7/0x3a0 # [ 31.385664] ksys_write+0x68/0xf0 # [ 31.389364] do_syscall_64+0x30/0x40 # [ 31.393359] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.398999] RIP: 0033:0x7f3352dca8f3 # [ 31.402986] Code: 8b 15 a1 25 0e 00[ 34.326311] lkdtm: Performing direct entry EXEC_KMALLOC [ 34.335638] lkdtm: attempting ok execution at ffffffffb6ce04f0 [ 34.342189] lkdtm: attempting bad execution at ffff8b8102719c00 [ 34.348859] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 34.357223] BUG: unable to handle page fault for address: ffff8b8102719c00 [ 34.371114] #PF: supervisor instruction fetch in kernel mode [ 34.377431] #PF: error_code(0x0011) - permissions violation [ 34.383653] PGD 3f601067 P4D 3f601067 PUD 10084c063 PMD 104da1063 PTE 8000000102719063 [ 34.392499] Oops: 0011 [#7] SMP PTI [ 34.396390] CPU: 2 PID: 1711 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 34.405038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.411842] RIP: 0010:0xffff8b8102719c00 [ 34.416218] Code: 00 00 02 00 00 00 00 00 00 00 80 95 71 02 81 8b ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 b6 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 34.437187] RSP: 0018:ffffb01ec22efe38 EFLAGS: 00010246 [ 34.443020] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.450988] RDX: 0000000000000000 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 [ 34.458954] RBP: ffff8b8102719c00 R08: 0000000000000000 R09: 0000000000000000 [ 34.466921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 34.474889] R13: ffffb01ec22eff10 R14: ffffb01ec22eff10 R15: ffff8b810326f000 [ 34.482857] FS: 00007f8eabba3580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 34.491893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.498309] CR2: ffff8b8102719c00 CR3: 00000001056fc005 CR4: 00000000003706e0 [ 34.506275] Call Trace: [ 34.509004] ? execute_location+0x45/0x56 [ 34.513478] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 34.518144] ? direct_entry.cold+0x2c/0x38 [ 34.522732] ? full_proxy_write+0x53/0x80 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff[ 34.527216] ? vfs_write+0xe7/0x3a0 [ 34.537317] ? ksys_write+0x68/0xf0 [ 34.541203] ? do_syscall_64+0x30/0x40 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.42397[ 34.545387] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.557433] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0] RSP: 002b:00007fff9e440658 EFLAGS: 00000246 ORIG_RAX: 0000000[ 34.583885] CR2: ffff8b8102719c00 [ 34.593796] ---[ end trace dd93a1e1caaa384f ]--- [ 34.598941] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.603309] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 34.624287] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 34.630119] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.638088] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 34.646056] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 34.654025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.661993] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 34.669963] FS: 00007f8eabba3580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 34.678991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.685404] CR2: ffff8b8102719c00 CR3: 00000001056fc005 CR4: 00000000003706e0 [ 34.693374] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.703285] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1711, name: cat [ 34.711740] INFO: lockdep is turned off. [ 34.716115] irq event stamp: 0 [ 34.719520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.726518] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 34.735644] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 34.744796] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.751800] CPU: 2 PID: 1711 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 34.760448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.767252] Call Trace: [ 34.769979] dump_stack+0x77/0x9b [ 34.773678] ___might_sleep.cold+0xa6/0xb6 [ 34.778250] exit_signals+0x1c/0x2e0 [ 34.782238] do_exit+0xd5/0xb00 [ 34.785743] ? ksys_write+0x68/0xf0 [ 34.789636] rewind_stack_do_exit+0x17/0x20 [ 34.794302] RIP: 0033:0x7f8eabab98f3 [ 34.798288] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.819269] RSP: 002b:00007ffc2f845c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.827732] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8eabab98f3 000000001 # [ 31.432427] RAX: ffffffffffffffda RBX: 000000000[ 34.835710] RDX: 000000000000000d RSI: 00007f8eab9ac000 RDI: 0000000000000001 [ 34.849891] RBP: 00007f8eab9ac000 R08: 00007f8eab9ab010 R09: 0000000000000000 [ 34.857861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.865828] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000001a RCX: 00007f3352dca8f3 # [ 31.440396] RDX: 000000000000001a RSI: 00007f3352cbd000 RDI: 0000000000000001 # [ 31.448366] RBP: 00007f3352cbd000 R08: 00007f3352cbc010 R09: 0000000000000000 # [ 31.456337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.464299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.472273] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.498720] ---[ end trace dd93a1e1caaa384b ]--- # [ 31.503876] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.508253] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 34.962009] lkdtm: Performing direct entry EXEC_VMALLOC # [ 31.529236] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 #[ 34.972929] lkdtm: attempting ok execution at ffffffffb6ce04f0 [ 31.535070] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX:[ 34.985632] lkdtm: attempting bad execution at ffffb01ec0323000 0000000000000000 # [ 31.543041] RDX: 0000000000000000 RSI: f[ 34.998464] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 35.013032] BUG: unable to handle page fault for address: ffffb01ec0323000 [ 35.020709] #PF: supervisor instruction fetch in kernel mode [ 35.027026] #PF: error_code(0x0011) - permissions violation [ 35.033248] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10094a067 PTE 80000001033a5063 fff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 31.551010] RBP: fff[ 35.042290] Oops: 0011 [#8] SMP PTI [ 35.052393] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 35.061043] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.067847] RIP: 0010:0xffffb01ec0323000 [ 35.072224] Code: Unable to access opcode bytes at RIP 0xffffb01ec0322fd6. [ 35.079902] RSP: 0018:ffffb01ec237fe38 EFLAGS: 00010246 [ 35.085740] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.093709] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 [ 35.101676] RBP: ffffb01ec0323000 R08: 0000000000000000 R09: 0000000000000000 [ 35.109644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 35.117613] R13: ffffb01ec237ff10 R14: ffffb01ec237ff10 R15: ffff8b81033a5000 [ 35.125580] FS: 00007f0b98446580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 [ 35.134616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.141030] CR2: ffffb01ec0322fd6 CR3: 0000000104f0e002 CR4: 00000000003706e0 [ 35.148997] Call Trace: ff[fffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 35.151745] ? execute_location+0x45/0x56 [ 35.162437] ? lkdtm_EXEC_VMALLOC+0x20/0x30 31.558979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 35.167107] ? direct_entry.cold+0x2c/0x38 [ 35.177891] ? full_proxy_write+0x53/0x80 [ 35.182366] ? vfs_write+0xe7/0x3a0 0000000000004 # [ 31.566949] R13: ffffb01ec142ff10 R14: ffffb[ 35.186259] ? ksys_write+0x68/0xf0 [ 35.196363] ? do_syscall_64+0x30/0x40 [ 35.200546] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 01ec142ff10 R15: ffff8b810333c000 # [ 31.574921] FS: 00007f3[ 35.206375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 35.239009] CR2: ffffb01ec0323000 [ 35.242708] ---[ end trace dd93a1e1caaa3850 ]--- 352eb4580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000[ 35.247863] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.258453] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 35.279432] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 35.285265] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.293225] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 35.301194] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 35.309164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.317133] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 35.325102] FS: 00007f0b98446580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 [ 35.334138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.340555] CR2: ffffb01ec0322fd6 CR3: 0000000104f0e002 CR4: 00000000003706e0 # [ 31.583949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.590366] CR2: ffffb01ec1998000 CR3: 00000001028e8006 CR4: 00000000003706f0 # [ 31.598336] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.608248] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1096, name: cat # [ 31.616703] INFO: lockdep is turned off. # [ 31.621079] irq event stamp: 0 # [ 31.624484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.631484] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 31.640619] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 31.649754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.656754] CPU: 0 PID: 1096 Comm: cat Tainted: G D[ 35.424666] lkdtm: Performing direct entry EXEC_RODATA [ 35.435060] lkdtm: attempting ok execution at ffffffffb6ce04f0 [ 35.441598] lkdtm: attempting bad execution at ffffffffb79a0b60 [ 35.448234] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) W 5.10.155-cip21 #1 # [ 31.665404] Hardware name: Go[ 35.456598] BUG: unable to handle page fault for address: ffffffffb79a0b60 [ 35.470491] #PF: supervisor instruction fetch in kernel mode [ 35.476810] #PF: error_code(0x0011) - permissions violation [ 35.483021] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003d6000e1 [ 35.490509] Oops: 0011 [#9] SMP PTI [ 35.494399] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 35.503051] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.509858] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 35.515597] Code: ff ff 9e 1b 34 b7 ff ff ff ff da 87 d8 b7 ff ff ff ff e4 02 34 b7 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 [ 35.536579] RSP: 0018:ffffb01ec23dfe48 EFLAGS: 00010246 [ 35.542414] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 35.550384] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 35.558352] RBP: ffffffffb79a0b60 R08: 0000000000000000 R09: 0000000000000000 [ 35.566323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 35.574293] R13: ffffb01ec23dff10 R14: ffffb01ec23dff10 R15: ffff8b8104869000 [ 35.582264] FS: 00007f9996900580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 35.591292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.597707] CR2: ffffffffb79a0b60 CR3: 0000000104e28001 CR4: 00000000003706e0 [ 35.605677] Call Trace: [ 35.608404] ? execute_location+0x45/0x56 [ 35.612878] ? direct_entry.cold+0x2c/0x38 [ 35.617452] ? full_proxy_write+0x53/0x80 [ 35.621929] ? vfs_write+0xe7/0x3a0 [ 35.625822] ? ksys_write+0x68/0xf0 [ 35.629732] ? do_syscall_64+0x30/0x40 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 31.672208] Call Trac[ 35.633923] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.645972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e: # [ 31.674938] dump_stack+0x77/0x9b # [ 31.678642] __[ 35.672429] CR2: ffffffffb79a0b60 [ 35.682339] ---[ end trace dd93a1e1caaa3851 ]--- [ 35.687494] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.691872] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 35.712855] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 35.718688] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.726658] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 35.734627] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 35.742595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.750562] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 35.758530] FS: 00007f9996900580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 35.767565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.773978] CR2: ffffffffb79a0b60 CR3: 0000000104e28001 CR4: 00000000003706e0 [ 35.781944] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.791853] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1783, name: cat [ 35.800307] INFO: lockdep is turned off. [ 35.804682] irq event stamp: 0 [ 35.808087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.815085] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 35.824209] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 35.833344] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.840342] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 35.848989] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.855798] Call Trace: [ 35.858527] dump_stack+0x77/0x9b [ 35.862224] ___might_sleep.cold+0xa6/0xb6 [ 35.866801] exit_signals+0x1c/0x2e0 [ 35.870802] do_exit+0xd5/0xb00 [ 35.874304] ? ksys_write+0x68/0xf0 [ 35.878197] rewind_stack_do_exit+0x17/0x20 [ 35.882865] RIP: 0033:0x7f99968168f3 [ 35.886844] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.907824] RSP: 002b:00007ffc37839248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.916279] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f99968168f3 [ 35.924246] RDX: 000000000000000c RSI: 00007f9996709000 RDI: 0000000000000001 [ 35.932214] RBP: 00007f9996709000 R08: 00007f9996708010 R09: 0000000000000000 [ 35.940182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.948150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _might_sleep.cold+0xa6/0xb6 # [ 31.683222] exit_signals+0x1c/0x2e0 # [ 31.687212] do_exit+0xd5/0xb00 # [ 31.690706] ? ksys_write+0x68/0xf0 # [ 31.694601] rewind_stack_do_exit+0x17/0x20 # [ 31.699275] RIP: 0033:0x7f3352dca8f3 # [ 31.703264] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.724240] RSP: 002b:00007fff9e440658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.732698] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3352dca8f3 # [ 31.740660] RDX: 000000000000001a RSI: 00007f3352cbd000 RDI: 0000000000000001 # [ 31.748631] RBP: 00007f3352cbd000 R08: 00007f3352cbc010 R09: 0000000000000000 # [ 31.756601] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.764572] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 36.046873] lkdtm: Performing direct entry EXEC_USERSPACE 0000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok [ 36.055416] lkdtm: attempting ok execution at ffffffffb6ce04f0 ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftest[ 36.068160] lkdtm: attempting bad execution at 00007fe81b702000 s: lkdtm: UNSET_SMEP.sh # [ 31.857585] lkdtm: Performing dire[ 36.080983] unable to execute userspace code (SMEP?) (uid: 0) [ 36.093607] BUG: unable to handle page fault for address: 00007fe81b702000 [ 36.101286] #PF: supervisor instruction fetch in kernel mode [ 36.107603] #PF: error_code(0x0011) - permissions violation [ 36.113824] PGD 8000000103371067 P4D 8000000103371067 PUD 10133a067 PMD 10550e067 PTE 10861b067 ct entry UNSET_SMEP # [ 31.865208] lkdtm: trying to clear SME[ 36.123546] Oops: 0011 [#10] SMP PTI [ 36.133747] CPU: 1 PID: 1819 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 36.142385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.149191] RIP: 0010:0x7fe81b702000 [ 36.153177] Code: Unable to access opcode bytes at RIP 0x7fe81b701fd6. [ 36.160465] RSP: 0018:ffffb01ec2467e50 EFLAGS: 00010246 [ 36.166299] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 36.174260] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 [ 36.182228] RBP: 00007fe81b702000 R08: 0000000000000000 R09: 0000000000000000 [ 36.190195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 36.198165] R13: ffffb01ec2467f10 R14: ffffb01ec2467f10 R15: ffff8b810325a000 [ 36.206125] FS: 00007fe81b6d3580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 [ 36.215160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.221576] CR2: 00007fe81b702000 CR3: 0000000102958002 CR4: 00000000003706e0 [ 36.229535] Call Trace: [ 36.232266] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae P normally # [ 31.870399] ------------[ cut here ]-----------[ 36.237615] ? direct_entry.cold+0x2c/0x38 [ 36.248397] ? full_proxy_write+0x53/0x80 [ 36.252875] ? vfs_write+0xe7/0x3a0 [ 36.256781] ? ksys_write+0x68/0xf0 [ 36.260675] ? do_syscall_64+0x30/0x40 [ 36.264859] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 - # [ 31.875556] pinned CR4 bits changed: 0x100000!? # [ 3[ 36.270685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 36.303322] CR2: 00007fe81b702000 [ 36.307018] ---[ end trace dd93a1e1caaa3852 ]--- [ 36.312171] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.316546] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 36.337524] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 36.343355] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.351324] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 36.359292] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 36.367262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.375223] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 36.383192] FS: 00007fe81b6d3580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 [ 36.392230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.398644] CR2: 00007fe81b702000 CR3: 0000000102958002 CR4: 00000000003706e0 1.880639] WARNING: CPU: 3 PID: 1132 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 31.890856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.923495] CPU: 3 PID: 1132 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 31.932171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.938980] RIP: 0010:native_write_cr4+0x45/0x60 # [ 31.944137] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 68 8e e3 01 00 75 f2 48 c7 c7 b0 76 cc b7 c6 05 58 8e e3 01 01 e8 46 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 31.965124] RSP: 0018:ffffb01ec1a17e48 EFLAGS: 00010286 # [ 31.970960] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ [ 36.494259] lkdtm: Performing direct entry EXEC_NULL 31.978931] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ff[ 36.505400] lkdtm: attempting ok execution at ffffffffb6ce04f0 ff8b817ad9bf70 # [ 31.986906] RBP: ffffffffb7d88465 R08: 0000[ 36.518153] lkdtm: attempting bad execution at 0000000000000000 000000000000 R09: 0000000000000000 # [ 31.994877] R10: 000000[ 36.530989] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 36.544959] #PF: supervisor instruction fetch in kernel mode [ 36.551279] #PF: error_code(0x0010) - not-present page [ 36.557014] PGD 0 P4D 0 [ 36.559839] Oops: 0010 [#11] SMP PTI [ 36.563828] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 36.572475] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.579281] RIP: 0010:0x0 [ 36.582201] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 36.589879] RSP: 0018:ffffb01ec252fe48 EFLAGS: 00010246 [ 36.595713] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 36.603706] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 [ 36.611667] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.619635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 36.627606] R13: ffffb01ec252ff10 R14: ffffb01ec252ff10 R15: ffff8b81055a1000 [ 36.635575] FS: 00007f9cb9145580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 36.644603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.651018] CR2: ffffffffffffffd6 CR3: 0000000106618003 CR4: 00000000003706f0 [ 36.658986] Call Trace: [ 36.661732] execute_location+0x45/0x56 [ 36.666012] direct_entry.cold+0x2c/0x38 [ 36.670389] full_proxy_write+0x53/0x80 [ 36.674677] vfs_write+0xe7/0x3a0 [ 36.678375] ksys_write+0x68/0xf0 [ 36.682073] do_syscall_64+0x30/0x40 [ 36.686067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.691708] RIP: 0033:0x7f9cb905b8f3 [ 36.695696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.716680] RSP: 002b:00007fff126be5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.725134] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9cb905b8f3 [ 36.733105] RDX: 000000000000000a RSI: 00007f9cb8f4e000 RDI: 0000000000000001 [ 36.741074] RBP: 00007f9cb8f4e000 R08: 00007f9cb8f4d010 R09: 0000000000000000 [ 36.749043] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.757010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.764982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 36.791417] CR2: 0000000000000000 [ 36.795113] ---[ end trace dd93a1e1caaa3853 ]--- [ 36.800258] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.804625] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 36.825600] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 36.831432] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.839399] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 36.847368] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 36.855336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.863304] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 36.871272] FS: 00007f9cb9145580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 36.880309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.886741] CR2: ffffffffffffffd6 CR3: 0000000106618003 CR4: 00000000003706f0 [ 36.894711] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.904646] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1855, name: cat [ 36.913101] INFO: lockdep is turned off. [ 36.917476] irq event stamp: 0 [ 36.920881] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.927880] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 36.937015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 36.946151] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.953149] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 36.961797] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.968600] Call Trace: [ 36.971327] dump_stack+0x77/0x9b [ 36.975032] ___might_sleep.cold+0xa6/0xb6 [ 36.979609] exit_signals+0x1c/0x2e0 [ 36.983599] do_exit+0xd5/0xb00 [ 36.987103] ? ksys_write+0x68/0xf0 [ 36.990995] rewind_stack_do_exit+0x17/0x20 [ 36.995669] RIP: 0033:0x7f9cb905b8f3 [ 36.999657] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.020639] RSP: 002b:00007fff126be5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.029093] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9cb905b8f3 [ 37.037064] RDX: 000000000000000a RSI: 00007f9cb8f4e000 RDI: 0000000000000001 [ 37.045031] RBP: 00007f9cb8f4e000 R08: 00007f9cb8f4d010 R09: 0000000000000000 [ 37.053001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.060969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 32.002851] R13: ffffb01ec1a17f10 R14: ffffb01ec1a17f10 R15: ffff8b8103ff8000 # [ 32.010825] FS: 00007f55635be580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 32.019867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.026285] CR2: 00007f55633c7000 CR3: 0000000104f0e002 CR4: 00000000003706e0 # [ 32.034263] Call Trace: # [ 32.043208] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 32.048108] direct_entry.cold+0x2c/0x38 # [ 32.052521] full_proxy_write+0x53/0x80 # [ 32.056838] vfs_write+0xe7/0x3a0 # [ 32.060570] ksys_write+0x68/0xf0 # [ 32.064273] do_syscall_64+0x30/0x40 # [ 32.068296] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.073965] RIP: 0033:0x7f55634d48f3 # [ 32.077971] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.105161] R[ 37.167904] lkdtm: Performing direct entry ACCESS_USERSPACE [ 37.174621] lkdtm: attempting bad read at 00007f1548c35000 [ 37.180817] BUG: unable to handle page fault for address: 00007f1548c35000 SP: 002b:00007ffd6ea5e9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 37.188502] #PF: supervisor read access in kernel mode [ 37.200452] #PF: error_code(0x0001) - permissions violation [ 37.206675] PGD 8000000104cc2067 P4D 8000000104cc2067 PUD 104e73067 PMD 10640f067 PTE 107233067 [ 37.216394] Oops: 0001 [#12] SMP PTI [ 37.220380] CPU: 3 PID: 1890 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 37.229028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.235834] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 37.242056] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 f8 94 d8 b7 e8 64 99 fd ff 48 c7 c7 20 95 d8 b7 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 48 95 d8 [ 37.263035] RSP: 0018:ffffb01ec259fe48 EFLAGS: 00010246 [ 37.268866] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 37.276833] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb7d89520 [ 37.284801] RBP: 00007f1548c35000 R08: 0000000000000000 R09: 0000000000000000 [ 37.292769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 37.300740] R13: ffffb01ec259ff10 R14: ffffb01ec259ff10 R15: ffff8b8104176000 [ 37.308709] FS: 00007f1548c06580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 37.317744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.324159] CR2: 00007f1548c35000 CR3: 000000010264e001 CR4: 00000000003706e0 [ 37.332127] Call Trace: [ 37.334855] direct_entry.cold+0x2c/0x38 [ 37.339233] full_proxy_write+0x53/0x80 [ 37.343514] vfs_write+0xe7/0x3a0 [ 37.347212] ksys_write+0x68/0xf0 [ 37.350909] do_syscall_64+0x30/0x40 [ 37.354898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.360537] RIP: 0033:0x7f1548b1c8f3 [ 37.364525] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.385507] RSP: 002b:00007ffd31eb0468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.393954] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1548b1c8f3 [ 37.401923] RDX: 0000000000000011 RSI: 00007f1548a0f000 RDI: 0000000000000001 [ 37.409892] RBP: 00007f1548a0f000 R08: 00007f1548a0e010 R09: 0000000000000000 [ 37.417860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.425830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.433802] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00001 # [ 32.113642] RAX: ffffffffffffffda RBX: 0000000000000[ 37.460255] CR2: 00007f1548c35000 [ 37.470164] ---[ end trace dd93a1e1caaa3854 ]--- [ 37.475319] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.479686] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 37.500668] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 37.506500] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.514468] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 37.522435] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 37.530404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.538370] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 37.546349] FS: 00007f1548c06580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 37.555377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.561792] CR2: 00007f1548c35000 CR3: 000000010264e001 CR4: 00000000003706e0 00b RCX: 00007f55634d48f3 # [ 32.121616] RDX: 000000000000000b RSI: 00007f55633c7000 RDI: 0000000000000001 # [ 32.129588] RBP: 00007f55633c7000 R08: 00007f55633c6010 R09: 0000000000000000 # [ 32.137563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.145536] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.153516] irq event stamp: 0 # [ 32.156951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.170163] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 32.179330] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 32.188472] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.195474] ---[ end trace dd93a1e1caaa384c ]--- # [ 32.200631] lkdtm: ok: SMEP did not get cleared # [ 32.205690] lkdtm: trying to clear SMEP wi[ 37.651046] lkdtm: Performing direct entry ACCESS_NULL [ 37.662570] lkdtm: attempting bad read at 0000000000000000 [ 37.668752] BUG: kernel NULL pointer dereference, address: 0000000000000000 th call gadget # [ 32.211624] lkdtm: ok: SMEP removal was rev[ 37.676529] #PF: supervisor read access in kernel mode [ 37.688479] #PF: error_code(0x0000) - not-present page [ 37.694213] PGD 0 P4D 0 [ 37.697036] Oops: 0000 [#13] SMP PTI [ 37.701024] CPU: 3 PID: 1925 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 37.709670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.716476] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 37.721744] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 b7 6e 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 f8 94 d8 b7 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 20 95 d8 b7 48 01 [ 37.742742] RSP: 0018:ffffb01ec2657e58 EFLAGS: 00010246 [ 37.748573] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 37.756542] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 37.764509] RBP: ffffffffb7d885e9 R08: 0000000000000000 R09: 0000000000000000 [ 37.772477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 37.780446] R13: ffffb01ec2657f10 R14: ffffb01ec2657f10 R15: ffff8b81066f5000 [ 37.788414] FS: 00007f165c2a3580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 37.797449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.803862] CR2: 0000000000000000 CR3: 000000010562a001 CR4: 00000000003706e0 [ 37.811830] Call Trace: [ 37.814556] direct_entry.cold+0x2c/0x38 [ 37.818934] full_proxy_write+0x53/0x80 [ 37.823215] vfs_write+0xe7/0x3a0 [ 37.826911] ksys_write+0x68/0xf0 [ 37.830609] do_syscall_64+0x30/0x40 [ 37.834589] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.840227] RIP: 0033:0x7f165c1b98f3 [ 37.844207] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.865189] RSP: 002b:00007fffa6deb1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.873634] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f165c1b98f3 [ 37.881602] RDX: 000000000000000c RSI: 00007f165c0ac000 RDI: 0000000000000001 [ 37.889569] RBP: 00007f165c0ac000 R08: 00007f165c0ab010 R09: 0000000000000000 [ 37.897537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.905503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.913476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify erted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 s[ 37.939929] CR2: 0000000000000000 [ 37.949838] ---[ end trace dd93a1e1caaa3855 ]--- [ 37.954983] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.959349] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 37.980328] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 37.986159] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.994126] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 38.002093] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 38.010060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.018027] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 38.025994] FS: 00007f165c2a3580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 38.035029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.041444] CR2: 0000000000000000 CR3: 000000010562a001 CR4: 00000000003706e0 [ 38.049411] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.059323] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1925, name: cat [ 38.067768] INFO: lockdep is turned off. [ 38.072143] irq event stamp: 0 [ 38.075548] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.082547] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 38.091681] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 38.100809] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.107807] CPU: 3 PID: 1925 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 38.116447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.123250] Call Trace: [ 38.125977] dump_stack+0x77/0x9b [ 38.129674] ___might_sleep.cold+0xa6/0xb6 [ 38.134236] exit_signals+0x1c/0x2e0 [ 38.138224] do_exit+0xd5/0xb00 [ 38.141742] ? ksys_write+0x68/0xf0 [ 38.145634] rewind_stack_do_exit+0x17/0x20 [ 38.150299] RIP: 0033:0x7f165c1b98f3 [ 38.154285] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.175264] RSP: 002b:00007fffa6deb1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.183710] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f165c1b98f3 [ 38.191677] RDX: 000000000000000c RSI: 00007f165c0ac000 RDI: 0000000000000001 [ 38.199645] RBP: 00007f165c0ac000 R08: 00007f165c0ab010 R09: 0000000000000000 [ 38.207611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.215579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 elftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 32.286471] lkdtm: Performing direct entry DOUBLE_FAULT # [ 32.297271] 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 # [ 32.377755] lkdtm: Performing direct entry CORRUPT_PAC # [ 32.388946] 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 # [ 32.464074] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 32.476018] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure o[ 38.323234] lkdtm: Performing direct entry WRITE_RO k 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: [ 38.334692] lkdtm: attempting bad rodata write at ffffffffb79a0b50 lkdtm: READ_AFTER_FREE.sh # [ 32.613097] lkdtm: Performing di[ 38.347844] BUG: unable to handle page fault for address: ffffffffb79a0b50 [ 38.361690] #PF: supervisor write access in kernel mode [ 38.367523] #PF: error_code(0x0003) - permissions violation [ 38.373745] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003d6000e1 [ 38.381236] Oops: 0003 [#14] SMP PTI [ 38.385225] CPU: 0 PID: 1960 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 38.393868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.400667] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 38.405623] Code: 00 48 c7 c7 d8 93 d8 b7 48 c7 c6 50 0b 9a b7 e8 8c 9b fd ff 48 8b 05 21 05 66 00 ba 34 12 cd ab 48 c7 c7 08 94 d8 b7 48 31 d0 <48> 89 05 0b 05 66 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 3c [ 38.426596] RSP: 0018:ffffb01ec26efe60 EFLAGS: 00010202 [ 38.432429] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 38.440399] RDX: 00000000abcd1234 RSI: ffff8b817ac1bf70 RDI: ffffffffb7d89408 [ 38.448367] RBP: ffffffffb7d885f5 R08: 0000000000000000 R09: 0000000000000000 [ 38.456336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 38.464307] R13: ffffb01ec26eff10 R14: ffffb01ec26eff10 R15: ffff8b8105589000 [ 38.472277] FS: 00007f4385ac2580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 38.481306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.487712] CR2: ffffffffb79a0b50 CR3: 000000010562c006 CR4: 00000000003706f0 [ 38.495681] Call Trace: [ 38.498407] direct_entry.cold+0x2c/0x38 [ 38.502792] full_proxy_write+0x53/0x80 [ 38.507080] vfs_write+0xe7/0x3a0 [ 38.510785] ksys_write+0x68/0xf0 [ 38.514483] do_syscall_64+0x30/0x40 [ 38.518479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.524119] RIP: 0033:0x7f43859d88f3 [ 38.528108] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.549092] RSP: 002b:00007ffe36065998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.557547] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f43859d88f3 [ 38.565518] RDX: 0000000000000009 RSI: 00007f43858cb000 RDI: 0000000000000001 [ 38.573479] RBP: 00007f43858cb000 R08: 00007f43858ca010 R09: 0000000000000000 [ 38.581439] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.589409] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 38.597383] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.623824] CR2: ffffffffb79a0b50 [ 38.627523] ---[ end trace dd93a1e1caaa3856 ]--- [ 38.632677] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.637054] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 38.658035] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 38.663870] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.671837] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 38.679805] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 38.687775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.695744] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 38.703713] FS: 00007f4385ac2580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 38.712749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.719164] CR2: ffffffffb79a0b50 CR3: 000000010562c006 CR4: 00000000003706f0 rect entry READ_AFTER_FREE # [ 32.620332] lkdtm: Value in memory before free: 12345678 # [ 32.626270] lkdtm: Attempting bad read from freed memory # [ 32.638413] 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 # [ 32.746288] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 32.755399] lkdtm: Value in memory before free: 12345678 # [ 32.767567] lkdtm: Attempting to read from freed memory # [ 32.779594] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 32.849190] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 32.859156] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'cal[ 38.831028] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT l trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.[ 38.839324] lkdtm: attempting bad ro_after_init write at ffffffffb7e04330 sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 32.93[ 38.853156] BUG: unable to handle page fault for address: ffffffffb7e04330 [ 38.867004] #PF: supervisor write access in kernel mode [ 38.872830] #PF: error_code(0x0003) - permissions violation [ 38.879042] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 104861063 PTE 800000003dc04061 [ 38.887800] Oops: 0003 [#15] SMP PTI [ 38.891789] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 38.900437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.907245] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 38.913269] Code: 94 d8 b7 e9 3e 9b fd ff 48 c7 c7 60 94 d8 b7 e8 32 9b fd ff 48 8b 05 a7 3c ac 00 ba 34 12 cd ab 48 c7 c7 08 94 d8 b7 48 31 d0 <48> 89 05 91 3c ac 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 38.934248] RSP: 0018:ffffb01ec26f7e60 EFLAGS: 00010202 [ 38.940073] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 38.948035] RDX: 00000000abcd1234 RSI: ffff8b817ac1bf70 RDI: ffffffffb7d89408 [ 38.955995] RBP: ffffffffb7d885fe R08: 0000000000000000 R09: 0000000000000000 [ 38.963963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 38.971933] R13: ffffb01ec26f7f10 R14: ffffb01ec26f7f10 R15: ffff8b8105505000 [ 38.979903] FS: 00007f97ae74d580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 38.988941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.995357] CR2: ffffffffb7e04330 CR3: 000000010346c003 CR4: 00000000003706f0 [ 39.003327] Call Trace: [ 39.006053] direct_entry.cold+0x2c/0x38 [ 39.010438] full_proxy_write+0x53/0x80 [ 39.014724] vfs_write+0xe7/0x3a0 [ 39.018427] ksys_write+0x68/0xf0 [ 39.022118] do_syscall_64+0x30/0x40 [ 39.026114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.031753] RIP: 0033:0x7f97ae6638f3 [ 39.035741] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.056724] RSP: 002b:00007ffe49b94708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.065171] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f97ae6638f3 [ 39.073141] RDX: 0000000000000014 RSI: 00007f97ae556000 RDI: 0000000000000001 [ 39.081111] RBP: 00007f97ae556000 R08: 00007f97ae555010 R09: 0000000000000000 [ 39.089080] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.097048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 39.105023] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.131466] CR2: ffffffffb7e04330 [ 39.135163] ---[ end trace dd93a1e1caaa3857 ]--- [ 39.140311] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.144688] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 39.165668] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 39.171502] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.179464] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 39.187433] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 39.195402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.203371] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 39.211341] FS: 00007f97ae74d580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 39.220377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.226792] CR2: ffffffffb7e04330 CR3: 000000010346c003 CR4: 00000000003706f0 [ 39.234760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.244671] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1995, name: cat [ 39.253118] INFO: lockdep is turned off. [ 39.257493] irq event stamp: 0 [ 39.260899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.267898] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 39.277024] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 39.286160] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.293160] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 39.301808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.308611] Call Trace: [ 39.311340] dump_stack+0x77/0x9b [ 39.315045] ___might_sleep.cold+0xa6/0xb6 [ 39.319624] exit_signals+0x1c/0x2e0 [ 39.323611] do_exit+0xd5/0xb00 [ 39.327115] ? ksys_write+0x68/0xf0 [ 39.330999] rewind_stack_do_exit+0x17/0x20 [ 39.335671] RIP: 0033:0x7f97ae6638f3 [ 39.339659] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.360643] RSP: 002b:00007ffe49b94708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.369090] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f97ae6638f3 [ 39.377059] RDX: 0000000000000014 RSI: 00007f97ae556000 RDI: 0000000000000001 [ 39.385029] RBP: 00007f97ae556000 R08: 00007f97ae555010 R09: 0000000000000000 [ 39.392998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.400964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4519] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 32.945275] 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 # [ 33.033351] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 33.044166] 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 # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 33.266066] lkdtm: Performing direct entry EXEC_DATA # [ 33.2[ 39.512846] lkdtm: Performing direct entry WRITE_KERN 72794] lkdtm: attempting ok execution at ffffffffb6ce04f0 # [ [ 39.520282] lkdtm: attempting bad 6684857 byte write at ffffffffb73405a9 33.285508] lkdtm: attempting bad execution at ffffffffb960c660 [ 39.533992] BUG: unable to handle page fault for address: ffffffffb73405a9 [ 39.547841] #PF: supervisor write access in kernel mode [ 39.553667] #PF: error_code(0x0003) - permissions violation [ 39.559880] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 3d0000e1 [ 39.566595] Oops: 0003 [#16] SMP PTI [ 39.570583] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 39.579232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.586040] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 39.591200] Code: 53 48 c7 c3 a9 05 34 b7 49 89 dc 48 89 da 49 81 ec f0 04 ce b6 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 f0 04 ce b6 a4 48 c7 c7 08 94 d8 b7 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 39.612183] RSP: 0018:ffffb01ec27f7e50 EFLAGS: 00010246 [ 39.618016] RAX: 000000000000003c RBX: ffffffffb73405a9 RCX: 00000000006600b9 [ 39.625986] RDX: 0000000000000000 RSI: ffffffffb6ce04f0 RDI: ffffffffb73405a9 [ 39.633956] RBP: ffffffffb7d88612 R08: 0000000000000000 R09: 0000000000000000 [ 39.641924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006600b9 [ 39.649893] R13: ffffb01ec27f7f10 R14: ffffb01ec27f7f10 R15: ffff8b81066fe000 [ 39.657865] FS: 00007f0a9fa66580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 39.666902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.673318] CR2: ffffffffb73405a9 CR3: 0000000103502003 CR4: 00000000003706f0 [ 39.681279] Call Trace: [ 39.684009] direct_entry.cold+0x2c/0x38 [ 39.688393] full_proxy_write+0x53/0x80 [ 39.692680] vfs_write+0xe7/0x3a0 [ 39.696384] ksys_write+0x68/0xf0 [ 39.700084] do_syscall_64+0x30/0x40 [ 39.704078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.709717] RIP: 0033:0x7f0a9f97c8f3 [ 39.713704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.734677] RSP: 002b:00007ffc5e884118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.743132] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0a9f97c8f3 [ 39.751100] RDX: 000000000000000b RSI: 00007f0a9f86f000 RDI: 0000000000000001 [ 39.759067] RBP: 00007f0a9f86f000 R08: 00007f0a9f86e010 R09: 0000000000000000 [ 39.767038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.775008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 39.782982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.809422] CR2: ffffffffb73405a9 [ 39.813117] ---[ end trace dd93a1e1caaa3858 ]--- [ 39.818272] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.822648] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 [ 39.843631] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 [ 39.849463] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.857432] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 [ 39.865400] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 [ 39.873368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.881337] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 [ 39.889309] FS: 00007f0a9fa66580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 39.898337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.904752] CR2: ffffffffb73405a9 CR3: 0000000103502003 CR4: 00000000003706f0 # [ 33.298346] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 33.312895] BUG: unable to handle page fault for address: ffffffffb960c660 # [ 33.320573] #PF: supervisor instruction fetch in kernel mode # [ 33.326891] #PF: error_code(0x0011) - permissions violation # [ 33.333111] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003f4000e3 # [ 33.340602] Oops: 0011 [#5] SMP PTI # [ 33.344494] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 33.353133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.359939] RIP: 0010:data_area+0x0/0x40 # [ 33.364320] Code: ff ff 00 0a 25 00 81 8b ff ff 00 09 25 00 81 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 33.385302] RSP: 0018:ffffb01ec21dfe48 EFLAGS: 00010246 # [ 33.391136] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.399105] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ [ 40.015177] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 33.407072] RBP: ffffffffb960c660 R08: 0000000000000000 R09: 0000[ 40.025141] lkdtm: attempting good refcount_inc() without overflow 000000000000 # [ 33.415041] R10: 00000000ffffe000 R11: 3fffff[ 40.038265] lkdtm: attempting bad refcount_inc() overflow ffffffffff R12: 000000000000000a # [ 33.423010] R13: ffffb01e[ 40.050503] ------------[ cut here ]------------ c21dff10 R14: ffffb01ec21dff10 R15: ffff8b81032a9000 # [ 33.4[ 40.061838] refcount_t: saturated; leaking memory. 30980] FS: 00007f9e04548580(0000) GS:ffff8b817ac00000(0000) knl[ 40.073450] WARNING: CPU: 0 PID: 2065 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 GS:0000000000000000 # [ 33.440009] CS: 0010 DS: 0000 ES: 000[ 40.089093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 CR0: 0000000080050033 # [ 33.446425] CR2: ffffffffb960c660 [ 40.121728] CPU: 0 PID: 2065 Comm: cat Tainted: G D W 5.10.155-cip21 #1 CR3: 00000001056d2003 CR4: 00000000003706f0 # [ 33.454395] Ca[ 40.136594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ll Trace: # [ 33.457123] ? execute_location+0x45/0x56 # [ [ 40.149631] RIP: 0010:refcount_warn_saturate+0x51/0x110 33.461594] ? direct_entry.cold+0x2c/0x38 # [ 33.466167] ? [ 40.161691] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 full_proxy_write+0x53/0x80 # [ 33.470642] ? vfs_write+0xe7/0[ 40.188851] RSP: 0018:ffffb01ec2857e48 EFLAGS: 00010286 x3a0 # [ 33.474524] ? ksys_write+0x68/0xf0 # [ 33.478417][ 40.200940] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 ? do_syscall_64+0x30/0x40 # [ 33.482599] ? entry_SYSCALL_6[ 40.215114] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 4_after_hwframe+0x61/0xc6 # [ 33.488426] Modules linked in: f[ 40.229338] RBP: ffffffffb7d8861d R08: 0000000000000000 R09: 0000000000000000 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_[ 40.243509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_[ 40.257737] R13: ffffb01ec2857f10 R14: ffffb01ec2857f10 R15: ffff8b81029eb000 chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg[ 40.271944] FS: 00007f69d199e580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.514862] CR[ 40.287201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2: ffffffffb960c660 # [ 33.518560] ---[ end trace dd93a1e1caa[ 40.299822] CR2: 00007f69d17a7000 CR3: 0000000103032006 CR4: 00000000003706f0 a384d ]--- # [ 33.523715] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 40.314037] Call Trace: 33.528113] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb d[ 40.323018] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9[ 40.334563] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 40.345199] full_proxy_write+0x53/0x80 0 83 05 f0 c4 92 02 # [ 33.549094] RSP: 0018:ffffb01ec142fe60[ 40.355655] vfs_write+0xe7/0x3a0 EFLAGS: 00010282 # [ 33.554927] RAX: ffffffffb6ce0120 RBX: 0[ 40.365604] ksys_write+0x68/0xf0 000000000000001 RCX: 0000000000000000 # [ 33.562895] RDX: 000[ 40.375495] do_syscall_64+0x30/0x40 0000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ [ 40.385723] entry_SYSCALL_64_after_hwframe+0x61/0xc6 33.570863] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 000[ 40.397569] RIP: 0033:0x7f69d18b48f3 0000000000001 # [ 33.578832] R10: 00000000ffffe000 R11: 3ffff[ 40.407777] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffffffffff R12: 0000000000000004 # [ 33.586801] R13: ffffb01[ 40.434994] RSP: 002b:00007ffef7e42d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 33.[ 40.449697] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f69d18b48f3 594784] FS: 00007f9e04548580(0000) GS:ffff8b817ac00000(0000) kn[ 40.463874] RDX: 0000000000000016 RSI: 00007f69d17a7000 RDI: 0000000000000001 lGS:0000000000000000 # [ 33.603819] CS: 0010 DS: 0000 ES: 00[ 40.478093] RBP: 00007f69d17a7000 R08: 00007f69d17a6010 R09: 0000000000000000 00 CR0: 0000000080050033 # [ 33.610235] CR2: ffffffffb960c660[ 40.492275] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 CR3: 00000001056d2003 CR4: 00000000003706f0 # [ 33.618205] B[ 40.506486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 UG: sleeping function called from invalid context at include/lin[ 40.520670] irq event stamp: 0 ux/percpu-rwsem.h:49 # [ 33.62811[ 40.530302] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.540761] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 40.549946] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 40.559118] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.566156] ---[ end trace dd93a1e1caaa3859 ]--- [ 40.571334] lkdtm: Overflow detected: saturated 7] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1639, name: cat # [ 33.636571] INFO: lockdep is turned off. # [ 33.640947] irq event stamp: 0 # [ 33.644351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.651347] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 33.660483] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 33.669617] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.676615] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 33.685256] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.692059] Call Trace: # [ 33.694789] dump_stack+0x77/0x9b # [ 33.698493] ___might_sleep.cold+0xa6/0xb6 # [ 33.703064] exit_signals+0x1c/0x2e0 # [ 33.707045] do_exit+0xd5/0xb00 # [ 33.710548] ? ksys_write+0x68/0xf0 # [ 33.714433] rewind_stack_do_exit+0x17/0x20 # [ 33.719106] RIP: 0033:0x7f9e0445e8f3 # [ 33.723094] Code: 8b 1[ 40.673406] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 5 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 40.683181] lkdtm: attempting good refcount_add() without overflow 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 40.696302] lkdtm: attempting bad refcount_add() overflow d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 40.708545] ------------[ cut here ]------------ [ 33.744068] RSP: 002b:00007fff3402ec78 EFLAGS: 00000246 ORIG[ 40.719915] refcount_t: saturated; leaking memory. _RAX: 0000000000000001 # [ 33.752523] RAX: ffffffffffffffda R[ 40.731508] WARNING: CPU: 1 PID: 2097 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 BX: 000000000000000a RCX: 00007f9e0445e8f3 # [ 33.760493] RDX[ 40.747122] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 000000000000000a RSI: 00007f9e04351000 RDI: 0000000000000001 [ 40.779776] CPU: 1 PID: 2097 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 33.768462] RBP: 00007f9e04351000 R08: 00007f9e04350010 R09[ 40.794673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000000000000 # [ 33.776430] R10: fffffffffffffbc5 R11: [ 40.807697] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000246 R12: 0000000000000001 # [ 33.784397] R13: 00[ 40.819749] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # EX[ 40.846946] RSP: 0018:ffffb01ec28b7e48 EFLAGS: 00010286 EC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DAT[ 40.858998] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 40.873183] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 A.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 33.8783[ 40.881156] RBP: ffffffffb7d88633 R08: 0000000000000000 R09: 0000000000000000 77] lkdtm: Performing direct entry EXEC_STACK # [ 33.885046] [ 40.895338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 40.909523] R13: ffffb01ec28b7f10 R14: ffffb01ec28b7f10 R15: ffff8b810568d000 lkdtm: attempting ok execution at ffffffffb6ce04f0 # [ 33.897[ 40.917497] FS: 00007f8ad7547580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 832] lkdtm: attempting bad execution at ffffb01ec2267e18 # [ [ 40.932747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 33.910679] kernel tried to execute NX-protected page - exploit a[ 40.945382] CR2: 00007f8ad7350000 CR3: 00000001033e0003 CR4: 00000000003706e0 ttempt? (uid: 0) # [ 33.925212] BUG: unable to handle page fa[ 40.959569] Call Trace: ult for address: ffffb01ec2267e18 # [ 33.932890] #PF: supervi[ 40.968516] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 sor instruction fetch in kernel mode # [ 33.939210] #PF: erro[ 40.980081] direct_entry.cold+0x2c/0x38 r_code(0x0011) - permissions violation # [ 33.945432] PGD 100[ 40.990676] full_proxy_write+0x53/0x80 000067 P4D 100000067 PUD 10020b067 PMD 104197067 PTE 80000001055[ 41.001177] vfs_write+0xe7/0x3a0 cf063 # [ 33.954477] Oops: 0011 [#6] SMP PTI # [ 33.958368[ 41.011091] ksys_write+0x68/0xf0 ] CPU: 0 PID: 1675 Comm: cat Tainted: G D W 5.10.15[ 41.021009] do_syscall_64+0x30/0x40 5-cip21 #1 # [ 33.967007] Hardware name: Google Rammus/Rammus[ 41.031218] entry_SYSCALL_64_after_hwframe+0x61/0xc6 , BIOS 09/04/2020 # [ 33.973814] RIP: 0010:0xffffb01ec2267e1[ 41.043075] RIP: 0033:0x7f8ad745d8f3 [ 41.053281] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8 # [ 33.978193] Code: 00 00 18 7e 26 c2 1e b0 ff ff ff 05 34[ 41.074268] RSP: 002b:00007ffd78741b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.088934] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8ad745d8f3 b7 ff ff ff ff 20 00 00 00 00 00 00 00 8e 85 d8 b7 ff ff ff ff [ 41.096910] RDX: 0000000000000016 RSI: 00007f8ad7350000 RDI: 0000000000000001 [ 41.111090] RBP: 00007f8ad7350000 R08: 00007f8ad734f010 R09: 0000000000000000 2e 07 34 b7 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f[ 41.119067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 44 00 00 0f 1f 44 00 00 55 # [ 33.999174] RSP: 0018:ffffb01e[ 41.133252] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c2267df8 EFLAGS: 00010246 # [ 34.005007] RAX: 000000000000003[ 41.147442] irq event stamp: 0 3 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.012975] [ 41.157060] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf7[ 41.170278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0 # [ 34.020944] RBP: ffffb01ec2267e18 R08: 0000000000000000 [ 41.185625] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 R09: 0000000000000000 # [ 34.028912] R10: 00000000ffffe000 R1[ 41.200976] softirqs last disabled at (0): [<0000000000000000>] 0x0 1: 3fffffffffffffff R12: 000000000000000b # [ 34.036883] R13:[ 41.214189] ---[ end trace dd93a1e1caaa385a ]--- ffffb01ec2267f10 R14: ffffb01ec2267f10 R15: ffff8b81029ea000 #[ 41.225559] lkdtm: Overflow detected: saturated [ 34.044852] FS: 00007f3d2eeb3580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 34.053881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.060297] CR2: ffffb01ec2267e18 CR3: 0000000103840001 CR4: 00000000003706f0 # [ 34.068265] Call Trace: # [ 34.070995] ? execute_location+0x45/0x56 # [ 34.075466] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 34.079932] ? direct_entry.cold+0x2c/0x38 # [ 34.084504] ? full_proxy_write+0x53/0x80 # [ 34.088978] ? vfs_write+0xe7/0x3a0 # [ 34.092870] ? ksys_write+0x68/0xf0 # [ 34.096755] ? do_syscall_64+0x30/0x40 # [ 34.100965] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.106802] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.133245] CR2: ffffb01ec2267e18 # [ 34.136941] ---[ end trace dd93a1e1caaa384e ][ 41.333653] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW --- # [ 34.142096] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.146[ 41.343867] lkdtm: attempting bad refcount_inc_not_zero() overflow 464] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7[ 41.357009] ------------[ cut here ]------------ c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f [ 41.368386] refcount_t: saturated; leaking memory. 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 41.379996] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f0 c4 92 02 # [ 34.167448] RSP: 0018:ffffb01ec142fe60 EFLAGS[ 41.395617] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 00010282 # [ 34.173284] RAX: ffffffffb6ce0120 RBX: 00000000[ 41.428260] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.155-cip21 #1 00000001 RCX: 0000000000000000 # [ 34.181253] RDX: 0000000000[ 41.443183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 34.189[ 41.456177] RIP: 0010:refcount_warn_saturate+0x97/0x110 225] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000[ 41.468265] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 000001 # [ 34.197194] R10: 00000000ffffe000 R11: 3fffffffffff[ 41.495434] RSP: 0018:ffffb01ec28afe38 EFLAGS: 00010282 ffff R12: 0000000000000004 # [ 34.205163] R13: ffffb01ec142ff[ 41.507510] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 34.213133][ 41.521667] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 FS: 00007f3d2eeb3580(0000) GS:ffff8b817ac00000(0000) knlGS:000[ 41.535879] RBP: ffffffffb7d88270 R08: 0000000000000000 R09: 0000000000000000 0000000000000 # [ 34.222171] CS: 0010 DS: 0000 ES: 0000 CR0:[ 41.550052] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000000080050033 # [ 34.228587] CR2: ffffb01ec2267e18 CR3: 0[ 41.564239] R13: ffffb01ec28aff10 R14: ffffb01ec28aff10 R15: ffff8b81033c5000 000000103840001 CR4: 00000000003706f0 # EXEC_STACK: saw 'call t[ 41.578419] FS: 00007f0f9576b580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 race:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: [ 41.593682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lkdtm: EXEC_KMALLOC.sh # Killed # [ 34.326311] lkdtm: Perfor[ 41.606312] CR2: 00007f0f95574000 CR3: 000000010274e003 CR4: 00000000003706f0 ming direct entry EXEC_KMALLOC # [ 34.335638] lkdtm: attempti[ 41.620495] Call Trace: ng ok execution at ffffffffb6ce04f0 # [ 34.342189] lkdtm: att[ 41.629441] __refcount_add_not_zero.constprop.0+0x2a/0x35 empting bad execution at ffff8b8102719c00 # [ 34.348859] kern[ 41.641798] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 el tried to execute NX-protected page - exploit attempt? (uid: 0[ 41.654216] direct_entry.cold+0x2c/0x38 ) # [ 34.357223] BUG: unable to handle page fault for address[ 41.664822] full_proxy_write+0x53/0x80 : ffff8b8102719c00 # [ 34.371114] #PF: supervisor instruction[ 41.675314] vfs_write+0xe7/0x3a0 fetch in kernel mode # [ 34.377431] #PF: error_code(0x0011) [ 41.685223] ksys_write+0x68/0xf0 - permissions violation # [ 34.383653] PGD 3f601067 P4D 3f601[ 41.695146] do_syscall_64+0x30/0x40 067 PUD 10084c063 PMD 104da1063 PTE 8000000102719063 # [ 34.3[ 41.705343] entry_SYSCALL_64_after_hwframe+0x61/0xc6 92499] Oops: 0011 [#7] SMP PTI # [ 34.396390] CPU: 2 PID: 171[ 41.717197] RIP: 0033:0x7f0f956818f3 1 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ [ 41.727407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 34.405038] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 41.754597] RSP: 002b:00007ffdf92cf348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 # [ 34.411842] RIP: 0010:0xffff8b8102719c00 # [ 34.41621[ 41.769279] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0f956818f3 8] Code: 00 00 02 00 00 00 00 00 00 00 80 95 71 02 81 8b ff ff 0[ 41.783457] RDX: 000000000000001f RSI: 00007f0f95574000 RDI: 0000000000000001 4 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 b6 ff ff[ 41.797647] RBP: 00007f0f95574000 R08: 00007f0f95573010 R09: 0000000000000000 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 4[ 41.811815] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4 00 00 55 # [ 34.437187] RSP: 0018:ffffb01ec22efe38 EFLAGS: [ 41.826017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00010246 # [ 34.443020] RAX: 0000000000000033 RBX: 0000000000[ 41.840202] irq event stamp: 0 000001 RCX: 0000000000000000 # [ 34.450988] RDX: 000000000000[ 41.849820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 # [ 34.45895[ 41.863042] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 4] RBP: ffff8b8102719c00 R08: 0000000000000000 R09: 000000000000[ 41.878388] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000 # [ 34.466921] R10: 00000000ffffe000 R11: 3fffffffffffff[ 41.893766] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff R12: 000000000000000d # [ 34.474889] R13: ffffb01ec22eff10[ 41.906973] ---[ end trace dd93a1e1caaa385b ]--- R14: ffffb01ec22eff10 R15: ffff8b810326f000 # [ 34.482857] F[ 41.918380] lkdtm: Overflow detected: saturated S: 00007f8eabba3580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 34.491893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.498309] CR2: ffff8b8102719c00 CR3: 00000001056fc005 CR4: 00000000003706e0 # [ 34.506275] Call Trace: # [ 34.509004] ? execute_location+0x45/0x56 # [ 34.513478] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 34.518144] ? direct_entry.cold+0x2c/0x38 # [ 34.522732] ? full_proxy_write+0x53/0x80 # [ 34.527216] ? vfs_write+0xe7/0x3a0 # [ 34.537317] ? ksys_write+0x68/0xf0 # [ 34.541203] ? do_syscall_64+0x30/0x40 # [ 34.545387] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.557433] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.583885] CR2: ffff8b8102719c00 # [ 34.593796] ---[ end trace dd93a1e1caaa384f ]--- # [ 34.5[ 42.027421] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 42.036657] lkdtm: attempting bad refcount_add_not_zero() overflow 98941] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.603309] Code: 89 f[ 42.043574] ------------[ cut here ]------------ [ 42.054941] refcount_t: saturated; leaking memory. [ 42.060340] WARNING: CPU: 2 PID: 2162 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff[ 42.069777] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.102432] CPU: 2 PID: 2162 Comm: cat Tainted: G D W 5.10.155-cip21 #1 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 42.111099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.124109] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 42.129946] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 [ 42.150960] RSP: 0018:ffffb01ec298fe38 EFLAGS: 00010282 [ 42.156799] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 42.164785] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 [ 42.172800] RBP: ffffffffb7d88290 R08: 0000000000000000 R09: 0000000000000000 [ 42.180785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 42.188800] R13: ffffb01ec298ff10 R14: ffffb01ec298ff10 R15: ffff8b8104d8b000 [ 42.196785] FS: 00007f8e31647580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 42.205859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.212277] CR2: 00007f8e31450000 CR3: 00000001029bc001 CR4: 00000000003706e0 [ 42.220248] Call Trace: [ 42.222981] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 42.229144] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 42.235399] direct_entry.cold+0x2c/0x38 [ 42.239795] full_proxy_write+0x53/0x80 [ 42.244113] vfs_write+0xe7/0x3a0 [ 42.247847] ksys_write+0x68/0xf0 [ 42.251580] do_syscall_64+0x30/0x40 [ 42.255606] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.261278] RIP: 0033:0x7f8e3155d8f3 [ 42.265269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.286252] RSP: 002b:00007fff044759f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.294711] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8e3155d8f3 [ 42.302684] RDX: 000000000000001f RSI: 00007f8e31450000 RDI: 0000000000000001 [ 42.310655] RBP: 00007f8e31450000 R08: 00007f8e3144f010 R09: 0000000000000000 [ 42.318631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.326633] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.334611] irq event stamp: 0 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 #[ 42.338046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.351258] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 42.360425] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 42.369564] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.376563] ---[ end trace dd93a1e1caaa385c ]--- [ 34.624287] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [[ 42.381745] lkdtm: Overflow detected: saturated 34.630119] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.638088] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 34.646056] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 34.654025] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.661993] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 34.669963] FS: 00007f8eabba3580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 34.678991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.685404] CR2: ffff8b8102719c00 CR3: 00000001056fc005 CR4: 00000000003706e0 # [ 34.693374] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.703285] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1711, name: cat # [ 34.711740] INFO: lockdep is turned off. # [ 34.716115] irq event stamp: 0 # [ 34.719520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.[ 42.490176] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 726518] hardirqs last disabled at (0): [] copy[ 42.498841] lkdtm: attempting good refcount_dec() _process+0x640/0x1c80 # [ 34.735644] softirqs last enabled a[ 42.510330] lkdtm: attempting bad refcount_dec() to zero t (0): [] copy_process+0x640/0x1c80 # [ 34.[ 42.522472] ------------[ cut here ]------------ 744796] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.533860] refcount_t: decrement hit 0; leaking memory. # [ 34.751800] CPU: 2 PID: 1711 Comm: cat Tainted: G D W[ 42.546043] WARNING: CPU: 0 PID: 2194 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 5.10.155-cip21 #1 # [ 34.760448] Hardware name: Goog[ 42.561667] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify le Rammus/Rammus, BIOS 09/04/2020 # [ 34.767252] Call Trace:[ 42.594311] CPU: 0 PID: 2194 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 34.769979] dump_stack+0x77/0x9b # [ 34.773678] ___m[ 42.609184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ight_sleep.cold+0xa6/0xb6 # [ 34.778250] exit_signals+0x1c/0[ 42.622251] RIP: 0010:refcount_warn_saturate+0xfb/0x110 x2e0 # [ 34.782238] do_exit+0xd5/0xb00 # [ 34.785743] ? [ 42.634273] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ksys_write+0x68/0xf0 # [ 34.789636] rewind_stack_do_exit+0x1[ 42.661540] RSP: 0018:ffffb01ec2a2fe48 EFLAGS: 00010286 7/0x20 # [ 34.794302] RIP: 0033:0x7f8eabab98f3 # [ 34.7982[ 42.673540] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 88] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 42.687783] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 42.701894] RBP: ffffffffb7d88649 R08: 0000000000000000 R09: 0000000000000000 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 42.716109] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 89 54 24 18 # [ 34.819269] RSP: 002b:00007ffc2f845c38 EFLAGS:[ 42.730276] R13: ffffb01ec2a2ff10 R14: ffffb01ec2a2ff10 R15: ffff8b8103229000 00000246 ORIG_RAX: 0000000000000001 # [ 34.827732] RAX: ffff[ 42.744461] FS: 00007f1748d68580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 ffffffffffda RBX: 000000000000000d RCX: 00007f8eabab98f3 # [ [ 42.759732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 34.835710] RDX: 000000000000000d RSI: 00007f8eab9ac000 RDI: 0000[ 42.772343] CR2: 00007f1748b71000 CR3: 00000001033f8001 CR4: 00000000003706f0 000000000001 # [ 34.849891] RBP: 00007f8eab9ac000 R08: 00007f[ 42.786530] Call Trace: 8eab9ab010 R09: 0000000000000000 # [ 34.857861] R10: ffffffff[ 42.795491] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd fffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.8[ 42.806660] direct_entry.cold+0x2c/0x38 65828] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000[ 42.817262] full_proxy_write+0x53/0x80 00020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests[ 42.827787] vfs_write+0xe7/0x3a0 : lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh #[ 42.837688] ksys_write+0x68/0xf0 Killed # [ 34.962009] lkdtm: Performing direct entry EXEC_VM[ 42.847602] do_syscall_64+0x30/0x40 ALLOC # [ 34.972929] lkdtm: attempting ok execution at ffffff[ 42.857848] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffb6ce04f0 # [ 34.985632] lkdtm: attempting bad execution at [ 42.869677] RIP: 0033:0x7f1748c7e8f3 ffffb01ec0323000 # [ 34.998464] kernel tried to execute NX-pr[ 42.879887] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 otected page - exploit attempt? (uid: 0) # [ 35.013032] BUG: [ 42.907085] RSP: 002b:00007fffdecfb8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 unable to handle page fault for address: ffffb01ec0323000 # [ [ 42.921794] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1748c7e8f3 35.020709] #PF: supervisor instruction fetch in kernel mode # [ 42.935957] RDX: 0000000000000012 RSI: 00007f1748b71000 RDI: 0000000000000001 [ 35.027026] #PF: error_code(0x0011) - permissions violation [ 42.950175] RBP: 00007f1748b71000 R08: 00007f1748b70010 R09: 0000000000000000 # [ 35.033248] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1[ 42.964338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0094a067 PTE 80000001033a5063 # [ 35.042290] Oops: 0011 [#8] [ 42.978533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SMP PTI # [ 35.052393] CPU: 1 PID: 1747 Comm: cat Tainted: G [ 42.992724] irq event stamp: 0 D W 5.10.155-cip21 #1 # [ 35.061043] Hardware na[ 43.002332] hardirqs last enabled at (0): [<0000000000000000>] 0x0 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.067847] RIP[ 43.015546] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 : 0010:0xffffb01ec0323000 # [ 35.072224] Code: Unable to acce[ 43.030907] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ss opcode bytes at RIP 0xffffb01ec0322fd6. # [ 35.079902] RSP[ 43.046255] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0018:ffffb01ec237fe38 EFLAGS: 00010246 # [ 35.085740] RAX: [ 43.059477] ---[ end trace dd93a1e1caaa385d ]--- 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.070864] lkdtm: Zero detected: saturated [ 35.093709] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 35.101676] RBP: ffffb01ec0323000 R08: 0000000000000000 R09: 0000000000000000 # [ 35.109644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 35.117613] R13: ffffb01ec237ff10 R14: ffffb01ec237ff10 R15: ffff8b81033a5000 # [ 35.125580] FS: 00007f0b98446580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 # [ 35.134616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.141030] CR2: ffffb01ec0322fd6 CR3: 0000000104f0e002 CR4: 00000000003706e0 # [ 35.148997] Call Trace: # [ 35.151745] ? execute_location+0x45/0x56 # [ 35.162437] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 35.167107] ? direct_entry.cold+0x2c/0x38 # [ 35.177891] ? full_proxy_write+0x53/0x80 # [ 35.182366] ? vfs_write+0xe7/0x3a0 # [ 35.186259] ? ksys_write+0x68/0xf0 # [ 35.196363] ? do_syscall_64+0x30/0x40 # [ 35.200546] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.206375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core ind[ 43.182637] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 43.194098] lkdtm: attempting bad refcount_dec() below zero [ 43.200356] ------------[ cut here ]------------ [ 43.205549] refcount_t: decrement hit 0; leaking memory. [ 43.211546] WARNING: CPU: 3 PID: 2229 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ustrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugf[ 43.220979] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.253611] CPU: 3 PID: 2229 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 43.262293] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.269102] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 43.274942] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 43.295956] RSP: 0018:ffffb01ec2ac7e48 EFLAGS: 00010286 [ 43.301807] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 43.309780] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 43.317772] RBP: ffffffffb7d8865b R08: 0000000000000000 R09: 0000000000000000 [ 43.325774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 43.333768] R13: ffffb01ec2ac7f10 R14: ffffb01ec2ac7f10 R15: ffff8b8104f6d000 s cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorh[ 43.341748] FS: 00007f12b2506580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 43.357025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.[ 43.363457] CR2: 00007f12b230f000 CR3: 000000010562a004 CR4: 00000000003706e0 [ 43.377633] Call Trace: [ 43.380366] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 43.385755] direct_entry.cold+0x2c/0x38 239009] CR2: ffffb01ec0323000 # [ 35.242708] ---[ end trace d[ 43.390135] full_proxy_write+0x53/0x80 [ 43.400625] vfs_write+0xe7/0x3a0 [ 43.404355] ksys_write+0x68/0xf0 [ 43.408060] do_syscall_64+0x30/0x40 [ 43.412082] entry_SYSCALL_64_after_hwframe+0x61/0xc6 d93a1e1caaa3850 ]--- # [ 35.247863] RIP: 0010:lkdtm_BUG+0x5/0[ 43.417749] RIP: 0033:0x7f12b241c8f3 [ 43.427951] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.448937] RSP: 002b:00007fff500fcf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.457426] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f12b241c8f3 [ 43.465400] RDX: 0000000000000016 RSI: 00007f12b230f000 RDI: 0000000000000001 [ 43.473371] RBP: 00007f12b230f000 R08: 00007f12b230e010 R09: 0000000000000000 [ 43.481346] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.489317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.497294] irq event stamp: 0 x10 # [ 35.258453] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff [ 43.500727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.513936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 43.523095] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 43.532233] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.539234] ---[ end trace dd93a1e1caaa385e ]--- [ 43.544390] lkdtm: Negative detected: saturated ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 35.279432] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 35.285265] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.293225] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 35.301194] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 35.309164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.317133] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 35.325102] FS: 00007f0b98446580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 # [ 35.334138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.340555] CR2: ffffb01ec0322fd6 CR3: 0000000104f0e002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 35.424666] lkdtm: Performing direct entry EXEC_RODATA # [ 35.4350[ 43.650188] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 60] lkdtm: attempting ok execution at ffffffffb6ce04f0 # [ 35[ 43.662724] lkdtm: attempting bad refcount_dec_and_test() below zero [ 43.676037] ------------[ cut here ]------------ [ 43.681222] refcount_t: underflow; use-after-free. [ 43.686601] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 .441598] lkdtm: attempting bad execution at ffffffffb79a0b60 # [ 43.696036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.728692] CPU: 3 PID: 2264 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 35.448234] kernel tried to execute NX-protected page - explo[ 43.737345] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.750364] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 43.756230] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 [ 43.777215] RSP: 0018:ffffb01ec2b67e40 EFLAGS: 00010286 [ 43.783080] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 43.791055] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 43.799028] RBP: ffffffffb7d882b0 R08: 0000000000000000 R09: 0000000000000000 [ 43.807002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 43.814972] R13: ffffb01ec2b67f10 R14: ffffb01ec2b67f10 R15: ffff8b81064b3000 [ 43.822946] FS: 00007f416513d580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 43.831986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.838404] CR2: 00007f4164f46000 CR3: 00000001029b8002 CR4: 00000000003706e0 [ 43.846377] Call Trace: [ 43.849110] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 43.855269] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 43.861527] direct_entry.cold+0x2c/0x38 [ 43.865939] full_proxy_write+0x53/0x80 [ 43.870256] vfs_write+0xe7/0x3a0 [ 43.873987] ksys_write+0x68/0xf0 [ 43.877692] do_syscall_64+0x30/0x40 [ 43.881714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.887385] RIP: 0033:0x7f41650538f3 [ 43.891406] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.912389] RSP: 002b:00007ffe7cb31778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.920870] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41650538f3 [ 43.928843] RDX: 000000000000001f RSI: 00007f4164f46000 RDI: 0000000000000001 [ 43.936814] RBP: 00007f4164f46000 R08: 00007f4164f45010 R09: 0000000000000000 [ 43.944796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.952766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 it attempt? (uid: 0) # [ 35.456598] BUG: unable to handle pag[ 43.960752] irq event stamp: 0 [ 43.970370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.977372] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 43.986509] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 43.995646] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.002645] ---[ end trace dd93a1e1caaa385f ]--- [ 44.007800] lkdtm: Negative detected: saturated e fault for address: ffffffffb79a0b60 # [ 35.470491] #PF: supervisor instruction fetch in kernel mode # [ 35.476810] #PF: error_code(0x0011) - permissions violation # [ 35.483021] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003d6000e1 # [ 35.490509] Oops: 0011 [#9] SMP PTI # [ 35.494399] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 35.503051] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.509858] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 35.515597] Code: ff ff 9e 1b 34 b7 ff ff ff ff da 87 d8 b7 ff ff ff ff e4 02 34 b7 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 # [ 35.536579] RSP: 0018:ffffb01ec23dfe48 EFLAGS: 00010246 # [ 35.542414] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 35.550384] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 # [ 35.558352] RBP: ffffffffb79a0b60 R08: 0000000000000000 R09: 0000000000000000 # [ 35.566323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 35.574293] R1[ 44.118522] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 3: ffffb01ec23dff10 R14: ffffb01ec23dff10 R15: ffff8b8104869000 [ 44.132384] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 35.582264] FS: 00007f9996900580(0000) GS:ffff8b817ad8000[ 44.145716] ------------[ cut here ]------------ 0(0000) knlGS:0000000000000000 # [ 35.591292] CS: 0010 DS: 0[ 44.157064] refcount_t: underflow; use-after-free. 000 ES: 0000 CR0: 0000000080050033 # [ 35.597707] CR2: ffffff[ 44.168638] WARNING: CPU: 0 PID: 2299 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ffb79a0b60 CR3: 0000000104e28001 CR4: 00000000003706e0 # [ 35[ 44.184290] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .605677] Call Trace: # [ 35.608404] ? execute_location+0x45/[ 44.216942] CPU: 0 PID: 2299 Comm: cat Tainted: G D W 5.10.155-cip21 #1 0x56 # [ 35.612878] ? direct_entry.cold+0x2c/0x38 # [ 35.[ 44.231816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 617452] ? full_proxy_write+0x53/0x80 # [ 35.621929] ? vfs_w[ 44.244824] RIP: 0010:refcount_warn_saturate+0xba/0x110 rite+0xe7/0x3a0 # [ 35.625822] ? ksys_write+0x68/0xf0 # [ [ 44.256920] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 35.629732] ? do_syscall_64+0x30/0x40 # [ 35.633923] ? entr[ 44.284092] RSP: 0018:ffffb01ec2bcfe40 EFLAGS: 00010286 y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.645972] Modules l[ 44.296204] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 inked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core in[ 44.310344] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 dustrialio_triggered_buffer kfifo_buf industrialio cros_ec_debug[ 44.324593] RBP: ffffffffb7d882d0 R08: 0000000000000000 R09: 0000000000000000 fs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensor[ 44.338733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f hub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35[ 44.352955] R13: ffffb01ec2bcff10 R14: ffffb01ec2bcff10 R15: ffff8b8106683000 .672429] CR2: ffffffffb79a0b60 # [ 35.682339] ---[ end trace [ 44.367111] FS: 00007f192eba8580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 dd93a1e1caaa3851 ]--- # [ 35.687494] RIP: 0010:lkdtm_BUG+0x5/[ 44.382387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x10 # [ 35.691872] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff[ 44.395005] CR2: 00007f192e9b1000 CR3: 00000001066ee006 CR4: 00000000003706f0 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff [ 44.409206] Call Trace: ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 44.418150] __refcount_sub_and_test.constprop.0+0x3c/0x50 1f 44 00 00 83 05 f0 c4 92 02 # [ 35.712855] RSP: 0018:ffffb[ 44.430491] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 01ec142fe60 EFLAGS: 00010282 # [ 35.718688] RAX: ffffffffb6ce[ 44.442928] direct_entry.cold+0x2c/0x38 0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.72665[ 44.453531] full_proxy_write+0x53/0x80 8] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a[ 44.464022] vfs_write+0xe7/0x3a0 06d0 # [ 35.734627] RBP: ffffffffb7de3998 R08: 00000000000000[ 44.473930] ksys_write+0x68/0xf0 01 R09: 0000000000000001 # [ 35.742595] R10: 00000000ffffe000[ 44.483855] do_syscall_64+0x30/0x40 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.750562] R[ 44.494077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000[ 44.505932] RIP: 0033:0x7f192eabe8f3 # [ 35.758530] FS: 00007f9996900580(0000) GS:ffff8b817ad800[ 44.516144] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00(0000) knlGS:0000000000000000 # [ 35.767565] CS: 0010 DS: [ 44.543346] RSP: 002b:00007ffec227c518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000 ES: 0000 CR0: 0000000080050033 # [ 35.773978] CR2: fffff[ 44.558004] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f192eabe8f3 fffb79a0b60 CR3: 0000000104e28001 CR4: 00000000003706e0 # [ 3[ 44.572190] RDX: 000000000000001f RSI: 00007f192e9b1000 RDI: 0000000000000001 5.781944] BUG: sleeping function called from invalid context at [ 44.586419] RBP: 00007f192e9b1000 R08: 00007f192e9b0010 R09: 0000000000000000 include/linux/percpu-rwsem.h:49 # [ 35.791853] in_atomic(): 0[ 44.600625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 , irqs_disabled(): 1, non_block: 0, pid: 1783, name: cat # [ [ 44.614831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35.800307] INFO: lockdep is turned off. # [ 35.804682] irq ev[ 44.629042] irq event stamp: 0 ent stamp: 0 # [ 35.808087] hardirqs last enabled at (0): [<[ 44.638663] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000>] 0x0 # [ 35.815085] hardirqs last disabled [ 44.651846] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 at (0): [] copy_process+0x640/0x1c80 # [ 35[ 44.667199] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 .824209] softirqs last enabled at (0): [] cop[ 44.682590] softirqs last disabled at (0): [<0000000000000000>] 0x0 y_process+0x640/0x1c80 # [ 35.833344] softirqs last disabled [ 44.695792] ---[ end trace dd93a1e1caaa3860 ]--- at (0): [<0000000000000000>] 0x0 # [ 35.840342] CPU: 3 PID: 1[ 44.707204] lkdtm: Negative detected: saturated 783 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 35.848989] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.855798] Call Trace: # [ 35.858527] dump_stack+0x77/0x9b # [ 35.862224] ___might_sleep.cold+0xa6/0xb6 # [ 35.866801] exit_signals+0x1c/0x2e0 # [ 35.870802] do_exit+0xd5/0xb00 # [ 35.874304] ? ksys_write+0x68/0xf0 # [ 35.878197] rewind_stack_do_exit+0x17/0x20 # [ 35.882865] RIP: 0033:0x7f99968168f3 # [ 35.886844] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.907824] RSP: 002b:00007ffc37839248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.916279] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f99968168f3 # [ 35.924246] RDX: 000000000000000c RSI: 00007f9996709000 RDI: 0000000000000001 # [ 35.932214] RBP: 00007f9996709000 R08: 00007f9996708010 R09: 0000000000000000 # [ 35.940182] R10: fffffffffffffbc5 R11: 0000000000000246 [ 44.820868] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 44.830441] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 44.837543] lkdtm: Good: zero detected R12: 0000000000000001 # [ 35.948150] R13: 0000000000000001 R1[ 44.841762] lkdtm: Correctly stayed at zero [ 44.852645] lkdtm: attempting bad refcount_inc() from zero [ 44.858786] ------------[ cut here ]------------ [ 44.863943] refcount_t: addition on 0; use-after-free. [ 44.869715] WARNING: CPU: 2 PID: 2331 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 4: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'c[ 44.879146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.911821] CPU: 2 PID: 2331 Comm: cat Tainted: G D W 5.10.155-cip21 #1 all trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selft[ 44.920482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.933497] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 44.939336] Code: 01 01 e8 7a 99 95 00 0f 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 b7 c6 05 51 2c 94 01 01 e8 57 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 [ 44.960319] RSP: 0018:ffffb01ec2c47e48 EFLAGS: 00010286 [ 44.966155] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 44.974126] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 [ 44.982096] RBP: ffffffffb7d88671 R08: 0000000000000000 R09: 0000000000000000 [ 44.990071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 44.998043] R13: ffffb01ec2c47f10 R14: ffffb01ec2c47f10 R15: ffff8b81031b7000 [ 45.006015] FS: 00007f9015258580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 45.015054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.021474] CR2: 00007f9015061000 CR3: 00000001056d2006 CR4: 00000000003706e0 [ 45.029445] Call Trace: [ 45.032178] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 ests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 36.046873] lkdtm[ 45.037168] direct_entry.cold+0x2c/0x38 : Performing direct entry EXEC_USERSPACE # [ 36.055416] lkdtm[ 45.047755] full_proxy_write+0x53/0x80 [ 45.058254] vfs_write+0xe7/0x3a0 [ 45.061977] ksys_write+0x68/0xf0 [ 45.065679] do_syscall_64+0x30/0x40 [ 45.069694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.075336] RIP: 0033:0x7f901516e8f3 [ 45.079327] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.100314] RSP: 002b:00007ffefbbae578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.108805] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f901516e8f3 [ 45.116807] RDX: 0000000000000012 RSI: 00007f9015061000 RDI: 0000000000000001 [ 45.124791] RBP: 00007f9015061000 R08: 00007f9015060010 R09: 0000000000000000 [ 45.132761] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.140744] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : attempting ok execution at ffffffffb6ce04f0 # [ 36.068160] [ 45.148724] irq event stamp: 0 [ 45.158335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.165337] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 45.174474] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 45.183609] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.190611] ---[ end trace dd93a1e1caaa3861 ]--- [ 45.195766] lkdtm: Zero detected: saturated lkdtm: attempting bad execution at 00007fe81b702000 # [ 36.080983] unable to execute userspace code (SMEP?) (uid: 0) # [ 36.093607] BUG: unable to handle page fault for address: 00007fe81b702000 # [ 36.101286] #PF: supervisor instruction fetch in kernel mode # [ 36.107603] #PF: error_code(0x0011) - permissions violation # [ 36.113824] PGD 8000000103371067 P4D 8000000103371067 PUD 10133a067 PMD 10550e067 PTE 10861b067 # [ 36.123546] Oops: 0011 [#10] SMP PTI # [ 36.133747] CPU: 1 PID: 1819 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 36.142385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.149191] RIP: 0010:0x7fe81b702000 # [ 36.153177] Code: Unable to access opcode bytes at RIP 0x7fe81b701fd6. # [ 36.160465] RSP: 0018:ffffb01ec2467e50 EFLAGS: 00010246 # [ 36.166299] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 36.174260] RDX: 0000000000000000 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 36.182228] RBP: 00007fe81b702000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.19[ 45.305770] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 0195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 45.312468] lkdtm: attempting safe refcount_add_not_zero() from zero 000000f # [ 36.198165] R13: ffffb01ec2467f10 R14: ffffb01ec24[ 45.325830] lkdtm: Good: zero detected 67f10 R15: ffff8b810325a000 # [ 36.206125] FS: 00007fe81b6d3[ 45.336249] lkdtm: Correctly stayed at zero 580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 # [ [ 45.347149] lkdtm: attempting bad refcount_add() from zero 36.215160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.359510] ------------[ cut here ]------------ # [ 36.221576] CR2: 00007fe81b702000 CR3: 0000000102958002 CR4[ 45.370883] refcount_t: addition on 0; use-after-free. : 00000000003706e0 # [ 36.229535] Call Trace: # [ 36.23226[ 45.382854] WARNING: CPU: 0 PID: 2363 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 6] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 36.237615] ? d[ 45.398538] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify irect_entry.cold+0x2c/0x38 # [ 36.248397] ? full_proxy_write[ 45.431136] CPU: 0 PID: 2363 Comm: cat Tainted: G D W 5.10.155-cip21 #1 +0x53/0x80 # [ 36.252875] ? vfs_write+0xe7/0x3a0 # [ 36.2[ 45.446074] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 56781] ? ksys_write+0x68/0xf0 # [ 36.260675] ? do_syscall_6[ 45.459033] RIP: 0010:refcount_warn_saturate+0x74/0x110 4+0x30/0x40 # [ 36.264859] ? entry_SYSCALL_64_after_hwframe+[ 45.471158] Code: 01 01 e8 7a 99 95 00 0f 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 b7 c6 05 51 2c 94 01 01 e8 57 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 0x61/0xc6 # [ 36.270685] Modules linked in: fuse ip_tables cr[ 45.498286] RSP: 0018:ffffb01ec2ce7e48 EFLAGS: 00010286 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 45.510376] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_[ 45.524523] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cr[ 45.538714] RBP: ffffffffb7d88683 R08: 0000000000000000 R09: 0000000000000000 os_ec_dev cros_usbpd_notify # [ 36.303322] CR2: 00007fe81b702[ 45.552898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000 # [ 36.307018] ---[ end trace dd93a1e1caaa3852 ]--- # [ [ 45.567093] R13: ffffb01ec2ce7f10 R14: ffffb01ec2ce7f10 R15: ffff8b810554f000 36.312171] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.316546] Code[ 45.581277] FS: 00007fda2e650580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 : 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 45.596538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 45.609167] CR2: 00007fda2e459000 CR3: 00000001013f2003 CR4: 00000000003706f0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92[ 45.623364] Call Trace: 02 # [ 36.337524] RSP: 0018:ffffb01ec142fe60 EFLAGS: 0001028[ 45.632300] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 2 # [ 36.343355] RAX: ffffffffb6ce0120 RBX: 0000000000000001 [ 45.643483] direct_entry.cold+0x2c/0x38 RCX: 0000000000000000 # [ 36.351324] RDX: 0000000000000000 RS[ 45.654071] full_proxy_write+0x53/0x80 I: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 36.359292] RBP:[ 45.664599] vfs_write+0xe7/0x3a0 ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 #[ 45.674483] ksys_write+0x68/0xf0 [ 36.367262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 45.684406] do_syscall_64+0x30/0x40 0000000000000004 # [ 36.375223] R13: ffffb01ec142ff10 R14: f[ 45.694604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffb01ec142ff10 R15: ffff8b810333c000 # [ 36.383192] FS: 000[ 45.706456] RIP: 0033:0x7fda2e5668f3 07fe81b6d3580(0000) GS:ffff8b817ac80000(0000) knlGS:000000000000[ 45.716648] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000 # [ 36.392230] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 45.743883] RSP: 002b:00007ffd72693798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 80050033 # [ 36.398644] CR2: 00007fe81b702000 CR3: 0000000102[ 45.758540] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fda2e5668f3 958002 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:[ 45.772731] RDX: 0000000000000012 RSI: 00007fda2e459000 RDI: 0000000000000001 ': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: l[ 45.786929] RBP: 00007fda2e459000 R08: 00007fda2e458010 R09: 0000000000000000 kdtm: EXEC_NULL.sh # Killed # [ 36.494259] lkdtm: Performing[ 45.801128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 direct entry EXEC_NULL # [ 36.505400] lkdtm: attempting ok e[ 45.815320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xecution at ffffffffb6ce04f0 # [ 36.518153] lkdtm: attempting[ 45.829532] irq event stamp: 0 bad execution at 0000000000000000 # [ 36.530989] BUG: kernel[ 45.839159] hardirqs last enabled at (0): [<0000000000000000>] 0x0 NULL pointer dereference, address: 0000000000000000 # [ 36.5[ 45.852394] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 44959] #PF: supervisor instruction fetch in kernel mode # [ 3[ 45.867749] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 6.551279] #PF: error_code(0x0010) - not-present page # [ 36.5[ 45.883098] softirqs last disabled at (0): [<0000000000000000>] 0x0 57014] PGD 0 P4D 0 # [ 36.559839] Oops: 0010 [#11] SMP PTI [ 45.896301] ---[ end trace dd93a1e1caaa3862 ]--- # [ 36.563828] CPU: 0 PID: 1855 Comm: cat Tainted: G D W [ 45.907713] lkdtm: Zero detected: saturated 5.10.155-cip21 #1 # [ 36.572475] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.579281] RIP: 0010:0x0 # [ 36.582201] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 36.589879] RSP: 0018:ffffb01ec252fe48 EFLAGS: 00010246 # [ 36.595713] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 36.603706] RDX: 0000000000000000 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 36.611667] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.619635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.627606] R13: ffffb01ec252ff10 R14: ffffb01ec252ff10 R15: ffff8b81055a1000 # [ 36.635575] FS: 00007f9cb9145580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 36.644603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.651018] CR2: ffffffffffffffd6 CR3: 0000000106618003 CR4: 00000000003706f0 # [ 36.658986] Call Trace: # [ 36.661732] execute_location+0x45/0x56 # [ 36.666012] direct_entry.cold+0x2c/0x38 # [ 36.670389] full_proxy_write+0x53/0x80 # [ 36.674677] vfs_write+0xe7/0x3a0 # [ 46.026620] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 36.678375] ksys_write+0x68/0xf0 # [ 36.682073] do_sysca[ 46.037245] lkdtm: attempting bad refcount_inc() from saturated ll_64+0x30/0x40 # [ 36.686067] entry_SYSCALL_64_after_hwfram[ 46.050091] ------------[ cut here ]------------ e+0x61/0xc6 # [ 36.691708] RIP: 0033:0x7f9cb905b8f3 # [ 36[ 46.061441] refcount_t: saturated; leaking memory. .695696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 46.073031] WARNING: CPU: 1 PID: 2398 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 46.088647] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 46.121281] CPU: 1 PID: 2398 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 46.136147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8 48 89 54 24 18 # [ 36.716680] RSP: 002b:00007fff126be5c8 EF[ 46.142957] RIP: 0010:refcount_warn_saturate+0x51/0x110 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.725134] RAX:[ 46.155001] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 ffffffffffffffda RBX: 000000000000000a RCX: 00007f9cb905b8f3 #[ 46.182196] RSP: 0018:ffffb01ec2d87e48 EFLAGS: 00010286 [ 46.194247] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 36.733105] RDX: 000000000000000a RSI: 00007f9cb8f4e000 RDI:[ 46.202219] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 0000000000000001 # [ 36.741074] RBP: 00007f9cb8f4e000 R08: 0[ 46.216402] RBP: ffffffffb7d88695 R08: 0000000000000000 R09: 0000000000000000 0007f9cb8f4d010 R09: 0000000000000000 # [ 36.749043] R10: fff[ 46.230588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 46.244790] R13: ffffb01ec2d87f10 R14: ffffb01ec2d87f10 R15: ffff8b8105551000 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 46.252778] FS: 00007f47a4adf580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 36.757010] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 46.268013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.280646] CR2: 00007f47a48e8000 CR3: 0000000103128002 CR4: 00000000003706e0 0000000020000 # [ 36.764982] Modules linked in: fuse ip_table[ 46.288619] Call Trace: s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 46.297587] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 ffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros[ 46.309224] direct_entry.cold+0x2c/0x38 _ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_therma[ 46.319813] full_proxy_write+0x53/0x80 l cros_ec_dev cros_usbpd_notify # [ 36.791417] CR2: 000000000[ 46.330331] vfs_write+0xe7/0x3a0 0000000 # [ 36.795113] ---[ end trace dd93a1e1caaa3853 ]--- [ 46.340225] ksys_write+0x68/0xf0 # [ 36.800258] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.804625] [ 46.350141] do_syscall_64+0x30/0x40 Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 46.360347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 46.372203] RIP: 0033:0x7f47a49f58f3 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c[ 46.382407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 4 92 02 # [ 36.825600] RSP: 0018:ffffb01ec142fe60 EFLAGS: 000[ 46.409602] RSP: 002b:00007ffca6ef85a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.424274] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f47a49f58f3 10282 # [ 36.831432] RAX: ffffffffb6ce0120 RBX: 0000000000000[ 46.432247] RDX: 0000000000000017 RSI: 00007f47a48e8000 RDI: 0000000000000001 [ 46.446426] RBP: 00007f47a48e8000 R08: 00007f47a48e7010 R09: 0000000000000000 001 RCX: 0000000000000000 # [ 36.839399] RDX: 000000000000000[ 46.454401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.468582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 36.847368] [ 46.476576] irq event stamp: 0 [ 46.486170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 000000000000000[ 46.493173] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 46.508516] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 1 # [ 36.855336] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 46.517656] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.530866] ---[ end trace dd93a1e1caaa3863 ]--- R12: 0000000000000004 # [ 36.863304] R13: ffffb01ec142ff10 R1[ 46.536023] lkdtm: Saturation detected: still saturated 4: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 36.871272] FS: 00007f9cb9145580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 36.880309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.886741] CR2: ffffffffffffffd6 CR3: 0000000106618003 CR4: 00000000003706f0 # [ 36.894711] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.904646] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1855, name: cat # [ 36.913101] INFO: lockdep is turned off. # [ 36.917476] irq event stamp: 0 # [ 36.920881] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.927880] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 36.937015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 36.946151] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.953149] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 36.961797] Hardware [ 46.645728] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 46.654314] lkdtm: attempting bad refcount_dec() from saturated [ 46.660926] ------------[ cut here ]------------ [ 46.666088] refcount_t: decrement hit 0; leaking memory. [ 46.672055] WARNING: CPU: 3 PID: 2433 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.968600] C[ 46.681486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.714142] CPU: 3 PID: 2433 Comm: cat Tainted: G D W 5.10.155-cip21 #1 all Trace: # [ 36.971327] dump_stack+0x77/0x9b # [ 36.975[ 46.722806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.735816] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 46.741651] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 46.762635] RSP: 0018:ffffb01ec2e17e48 EFLAGS: 00010286 [ 46.768471] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 46.776443] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 46.784414] RBP: ffffffffb7d886ac R08: 0000000000000000 R09: 0000000000000000 [ 46.792384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 46.800353] R13: ffffb01ec2e17f10 R14: ffffb01ec2e17f10 R15: ffff8b810562c000 [ 46.808324] FS: 00007ffa65728580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 46.817362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.823793] CR2: 00007ffa65531000 CR3: 00000001034f4006 CR4: 00000000003706e0 [ 46.831763] Call Trace: [ 46.834516] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 46.839994] direct_entry.cold+0x2c/0x38 [ 46.844399] full_proxy_write+0x53/0x80 [ 46.848727] vfs_write+0xe7/0x3a0 032] ___might_sleep.cold+0xa6/0xb6 # [ 36.979609] exit_sign[ 46.852436] ksys_write+0x68/0xf0 [ 46.862344] do_syscall_64+0x30/0x40 [ 46.866336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.871976] RIP: 0033:0x7ffa6563e8f3 [ 46.875967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.896949] RSP: 002b:00007ffd4099bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.905406] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ffa6563e8f3 [ 46.913378] RDX: 0000000000000017 RSI: 00007ffa65531000 RDI: 0000000000000001 [ 46.921348] RBP: 00007ffa65531000 R08: 00007ffa65530010 R09: 0000000000000000 [ 46.929322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.937326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.945323] irq event stamp: 0 als+0x1c/0x2e0 # [ 36.983599] do_exit+0xd5/0xb00 # [ 36.9[ 46.948741] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.961955] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 46.971121] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 46.980260] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.987260] ---[ end trace dd93a1e1caaa3864 ]--- [ 46.992417] lkdtm: Saturation detected: still saturated 87103] ? ksys_write+0x68/0xf0 # [ 36.990995] rewind_stack_do_exit+0x17/0x20 # [ 36.995669] RIP: 0033:0x7f9cb905b8f3 # [ 36.999657] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.020639] RSP: 002b:00007fff126be5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.029093] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9cb905b8f3 # [ 37.037064] RDX: 000000000000000a RSI: 00007f9cb8f4e000 RDI: 0000000000000001 # [ 37.045031] RBP: 00007f9cb8f4e000 R08: 00007f9cb8f4d010 R09: 0000000000000000 # [ 37.053001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.060969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 37.167904] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 37.174621] lkdtm: attempting bad read a[ 47.101387] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 47.110754] lkdtm: attempting bad refcount_dec() from saturated t 00007f1548c35000 # [ 37.180817] BUG: unable to handle page [ 47.117374] ------------[ cut here ]------------ [ 47.128750] refcount_t: saturated; leaking memory. fault for address: 00007f1548c35000 # [ 37.188502] #PF: super[ 47.134117] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 visor read access in kernel mode # [ 37.200452] #PF: error_co[ 47.149745] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.182380] CPU: 2 PID: 2468 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 47.191054] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.197863] RIP: 0010:refcount_warn_saturate+0x51/0x110 de(0x0001) - permissions violation # [ 37.206675] PGD 8000000[ 47.203724] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 [ 47.230916] RSP: 0018:ffffb01ec2e9fe48 EFLAGS: 00010286 [ 47.236759] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 47.244777] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 [ 47.252792] RBP: ffffffffb7d886c3 R08: 0000000000000000 R09: 0000000000000000 [ 47.260764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 47.268757] R13: ffffb01ec2e9ff10 R14: ffffb01ec2e9ff10 R15: ffff8b81029a9000 104cc2067 P4D 8000000104cc2067 PUD 104e73067 PMD 10640f067 PTE 1[ 47.276745] FS: 00007f9bad988580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 47.291998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.298415] CR2: 00007f9bad791000 CR3: 00000001026b6006 CR4: 00000000003706e0 [ 47.306388] Call Trace: [ 47.309120] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 47.314600] direct_entry.cold+0x2c/0x38 [ 47.319004] full_proxy_write+0x53/0x80 [ 47.323313] vfs_write+0xe7/0x3a0 [ 47.327012] ksys_write+0x68/0xf0 [ 47.330732] do_syscall_64+0x30/0x40 07233067 # [ 37.216394] Oops: 0001 [#12] SMP PTI # [ 37.22[ 47.334746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.346603] RIP: 0033:0x7f9bad89e8f3 [ 47.350593] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.371575] RSP: 002b:00007fff5c7c33f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.380034] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9bad89e8f3 [ 47.388006] RDX: 0000000000000017 RSI: 00007f9bad791000 RDI: 0000000000000001 [ 47.395978] RBP: 00007f9bad791000 R08: 00007f9bad790010 R09: 0000000000000000 [ 47.403949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.411919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.419895] irq event stamp: 0 [ 47.423333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.430334] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.439472] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 47.448610] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.455610] ---[ end trace dd93a1e1caaa3865 ]--- 0380] CPU: 3 PID: 1890 Comm: cat Tainted: G D W 5.1[ 47.460769] lkdtm: Saturation detected: still saturated 0.155-cip21 #1 # [ 37.229028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.235834] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 37.242056] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 f8 94 d8 b7 e8 64 99 fd ff 48 c7 c7 20 95 d8 b7 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 48 95 d8 # [ 37.263035] RSP: 0018:ffffb01ec259fe48 EFLAGS: 00010246 # [ 37.268866] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 37.276833] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb7d89520 # [ 37.284801] RBP: 00007f1548c35000 R08: 0000000000000000 R09: 0000000000000000 # [ 37.292769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 37.300740] R13: ffffb01ec259ff10 R14: ffffb01ec259ff10 R15: ffff8b8104176000 # [ 37.308709] FS: 00007f1548c06580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 37.317744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.324159] CR2: 00007f1548c35000 CR3: 000000010264e001 CR4: 00000000003706e0 # [ 37.332127] Call Trace: # [ 37.334855] direct_entry.cold+0x2c/0x38 # [ 37.339233] full_proxy_write+0x53/0x80 # [ 37.343514] vfs_write+0xe7/0x3a0 # [ 37.347212] ksys_write+0x68/0xf0 # [ 37.350909] do_syscall_64+0x30/0x40 # [ 37.354898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.360537] RIP: 0033:0x7f1548b1c8f3 # [ 37.364525] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.385507] RSP: 002b:00007ffd31eb0468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.393954] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1548b1c8f3 # [ 37.401923] RDX: 0000000000000011 RSI: 00007f1548a0f000 RDI: 0000000000000001 # [ 37.409892] RBP: 00007f1548a0f000 R08: 00007f1548a0e010 R09: 0000000000000000 # [ 37.417860] R10: fffffffffffffbc5 [ 47.670882] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 47.681196] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 47.688683] ------------[ cut here ]------------ [ 47.693842] refcount_t: saturated; leaking memory. [ 47.699218] WARNING: CPU: 3 PID: 2500 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 R11: 0000000000000246 R12: 0000000000000001 # [ 37.425830] R1[ 47.708653] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.741288] CPU: 3 PID: 2500 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 47.749967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.756806] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 47.762666] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 [ 47.783648] RSP: 0018:ffffb01ec2f17e38 EFLAGS: 00010282 [ 47.789486] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 47.797459] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 [ 47.805430] RBP: ffffffffb7d882f0 R08: 0000000000000000 R09: 0000000000000000 [ 47.813400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 47.821372] R13: ffffb01ec2f17f10 R14: ffffb01ec2f17f10 R15: ffff8b8105489000 [ 47.829344] FS: 00007f01ed81b580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 [ 47.838383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.844800] CR2: 00007f01ed624000 CR3: 00000001033e0003 CR4: 00000000003706e0 [ 47.852785] Call Trace: [ 47.855517] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 47.861674] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 47.868019] direct_entry.cold+0x2c/0x38 [ 47.872398] full_proxy_write+0x53/0x80 [ 47.876682] vfs_write+0xe7/0x3a0 [ 47.880408] ksys_write+0x68/0xf0 [ 47.884111] do_syscall_64+0x30/0x40 [ 47.888127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.893772] RIP: 0033:0x7f01ed7318f3 [ 47.897763] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.918751] RSP: 002b:00007fffaabd32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.933425] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f01ed7318f3 [ 47.941395] RDX: 0000000000000020 RSI: 00007f01ed624000 RDI: 0000000000000001 [ 47.949365] RBP: 00007f01ed624000 R08: 00007f01ed623010 R09: 0000000000000000 [ 47.957336] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.965308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.973283] irq event stamp: 0 # [ 37.433802] Modules linked in: fuse ip_tables cros_ec_sens[ 47.976714] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.989928] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.999065] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.008201] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.015203] ---[ end trace dd93a1e1caaa3866 ]--- [ 48.020357] lkdtm: Saturation detected: still saturated ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.460255] CR2: 00007f1548c35000 # [ 37.470164] ---[ end trace dd93a1e1caaa3854 ]--- # [ 37.475319] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.479686] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 37.500668] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 37.506500] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.514468] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 37.522435] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 37.530404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.538370] R13: ffffb01ec142ff10 R14: ffffb01ec14[ 48.122865] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 2ff10 R15: ffff8b810333c000 # [ 37.546349] FS: 00007f1548c06[ 48.133348] lkdtm: attempting bad refcount_add_not_zero() from saturated 580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ [ 48.147055] ------------[ cut here ]------------ 37.555377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.158425] refcount_t: saturated; leaking memory. # [ 37.561792] CR2: 00007f1548c35000 CR3: 000000010264e001 CR4[ 48.170021] WARNING: CPU: 1 PID: 2532 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok o[ 48.185637] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify k 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: [ 48.218267] CPU: 1 PID: 2532 Comm: cat Tainted: G D W 5.10.155-cip21 #1 ACCESS_NULL.sh # Killed # [ 37.651046] lkdtm: Performing dir[ 48.233133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ect entry ACCESS_NULL # [ 37.662570] lkdtm: attempting bad re[ 48.246158] RIP: 0010:refcount_warn_saturate+0x97/0x110 ad at 0000000000000000 # [ 37.668752] BUG: kernel NULL pointe[ 48.258209] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 r dereference, address: 0000000000000000 # [ 37.676529] #PF: [ 48.285404] RSP: 0018:ffffb01ec2fd7e38 EFLAGS: 00010282 supervisor read access in kernel mode # [ 37.688479] #PF: err[ 48.297460] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 or_code(0x0000) - not-present page # [ 37.694213] PGD 0 P4D 0[ 48.311647] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 37.697036] Oops: 0000 [#13] SMP PTI # [ 37.701024] C[ 48.325838] RBP: ffffffffb7d88310 R08: 0000000000000000 R09: 0000000000000000 PU: 3 PID: 1925 Comm: cat Tainted: G D W 5.10.155-c[ 48.340023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ip21 #1 # [ 37.709670] Hardware name: Google Rammus/Rammus, B[ 48.354210] R13: ffffb01ec2fd7f10 R14: ffffb01ec2fd7f10 R15: ffff8b8103547000 IOS 09/04/2020 # [ 37.716476] RIP: 0010:lkdtm_ACCESS_NULL+0x[ 48.368399] FS: 00007f198e0ca580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 14/0x53 # [ 37.721744] Code: 08 99 fd ff be 00 10 00 00 48 89[ 48.383652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ef e8 b7 6e 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 [ 48.396288] CR2: 00007f198ded3000 CR3: 0000000103632004 CR4: 00000000003706e0 c7 f8 94 d8 b7 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0[ 48.410472] Call Trace: de c0 48 c7 c7 20 95 d8 b7 48 01 # [ 37.742742] RSP: 0018:ff[ 48.419421] __refcount_add_not_zero.constprop.0+0x2a/0x35 ffb01ec2657e58 EFLAGS: 00010246 # [ 37.748573] RAX: 000000000[ 48.431763] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 37.75[ 48.444296] direct_entry.cold+0x2c/0x38 6542] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffff8b817[ 48.454890] full_proxy_write+0x53/0x80 ad9bf70 # [ 37.764509] RBP: ffffffffb7d885e9 R08: 00000000000[ 48.465388] vfs_write+0xe7/0x3a0 00000 R09: 0000000000000000 # [ 37.772477] R10: 00000000ffffe[ 48.475300] ksys_write+0x68/0xf0 000 R11: 3fffffffffffffff R12: 000000000000000c # [ 37.780446[ 48.485220] do_syscall_64+0x30/0x40 ] R13: ffffb01ec2657f10 R14: ffffb01ec2657f10 R15: ffff8b81066f5[ 48.495421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000 # [ 37.788414] FS: 00007f165c2a3580(0000) GS:ffff8b817ad[ 48.507279] RIP: 0033:0x7f198dfe08f3 80000(0000) knlGS:0000000000000000 # [ 37.797449] CS: 0010 D[ 48.517483] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.803862] CR2: 00[ 48.544683] RSP: 002b:00007ffed3a49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000000 CR3: 000000010562a001 CR4: 00000000003706e0 # [ [ 48.559354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f198dfe08f3 37.811830] Call Trace: # [ 37.814556] direct_entry.cold+0x[ 48.573544] RDX: 0000000000000020 RSI: 00007f198ded3000 RDI: 0000000000000001 2c/0x38 # [ 37.818934] full_proxy_write+0x53/0x80 # [ 37.[ 48.587730] RBP: 00007f198ded3000 R08: 00007f198ded2010 R09: 0000000000000000 823215] vfs_write+0xe7/0x3a0 # [ 37.826911] ksys_write+0x68[ 48.601918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 /0xf0 # [ 37.830609] do_syscall_64+0x30/0x40 # [ 37.83458[ 48.616107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.840227] R[ 48.630298] irq event stamp: 0 IP: 0033:0x7f165c1b98f3 # [ 37.844207] Code: 8b 15 a1 25 0e 0[ 48.639916] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 48.653134] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 48.668486] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.8651[ 48.683840] softirqs last disabled at (0): [<0000000000000000>] 0x0 89] RSP: 002b:00007fffa6deb1b8 EFLAGS: 00000246 ORIG_RAX: 000000[ 48.697053] ---[ end trace dd93a1e1caaa3867 ]--- 0000000001 # [ 37.873634] RAX: ffffffffffffffda RBX: 00000000[ 48.708424] lkdtm: Saturation detected: still saturated 0000000c RCX: 00007f165c1b98f3 # [ 37.881602] RDX: 000000000000000c RSI: 00007f165c0ac000 RDI: 0000000000000001 # [ 37.889569] RBP: 00007f165c0ac000 R08: 00007f165c0ab010 R09: 0000000000000000 # [ 37.897537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.905503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.913476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.939929] CR2: 0000000000000000 # [ 37.949838] ---[ end trace dd93a1e1caaa3855 ]--- # [ 37.954983] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.959349] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 37.980328] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 37.986159] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.994126] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 38.002093] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 38.010060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.018027] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 38.025994] FS: 00007f165c2a3580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 38.035029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.041444] CR2: 0000000000000000 CR3: 000000010562a001 CR4: 00000000003706e0 # [ 38.049411] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.059323] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1925, name: cat # [ 38.067768] INFO: lockdep is turned off. # [ 38.072143] irq event stamp: 0 # [ 38.075548] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.082547] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 38.091681] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 38.100809] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.107807] CPU: 3 PID: 1925 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 38.116447] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.123250] Call Trace: # [ 38.125977] dump_stack+0x77/0x9b # [ 38.129674] ___might_sleep.cold+0xa6/0xb6 # [ 38.134236] exit_signals+0x1c/0x2e0 # [ 38.138224] do_exit+0xd5/0xb00 # [ 38.141742] ? ksys_write+0x68/0xf0 # [ 38.145634] rewind_stack_do_exit+0x17/0x20 # [ 38.150299] RIP: 0033:0x7f165c1b98f3 # [ 38.154285] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.175264] RSP: 002b:00007fffa6deb1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.183710] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f165c1b98f3 # [ 38.191677] RDX: 000000000000000c RSI: 00007f165c0ac000 RDI: 0000000000000001 # [ 38.199645] RBP: 00007f165c0ac000 R08: 00007f165c0ab010 R09: 0000000000000000 # [ 38.207611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.215579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 38.323234] lkdtm: Performing direct entry WRITE_RO # [ 38.334692] lkdtm: attempting bad rodata write at ffffffffb79a0b50 # [ 38.347844] BUG: unable to handle page fault for address: ffffffffb79a0b50 # [ 38.361690] #PF: supervisor write access in kernel mode # [ 38.367523] #PF: error_code(0x0003) - permissions violation # [ 38.373745] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 800000003d6000e1 # [ 38.381236] Oops: 0003 [#14] SMP PTI # [ 38.385225] CPU: 0 PID: 1960 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 38.393868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.400667] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 38.405623] Code: 00 48 c7 c7 d8 93 d8 b7 48 c7 c6 50 0b 9a b7 e8 8c 9b fd ff 48 8b 05 21 05 66 00 ba 34 12 cd ab 48 c7 c7 08 94 d8 b7 48 31 d0 <48> 89 05 0b 05 66 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 3c # [ 38.426596] RSP: 0018:ffffb01ec26efe60 EFLAGS: 00010202 # [ 38.432429] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 38.440399] RDX: 00000000abcd1234 RSI: ffff8b817ac1bf70 RDI: ffffffffb7d89408 # [ 38.448367] RBP: ffffffffb7d885f5 R08: 0000000000000000 R09: 0000000000000000 # [ 38.456336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 38.464307] R13: ffffb01ec26eff10 R14: ffffb01ec26eff10 R15: ffff8b8105589000 # [ 38.472277] FS: 00007f4385ac2580(0000) GS:[ 49.224315] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 38.481306] [ 49.235853] lkdtm: attempting bad refcount_dec_and_test() from saturated CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.4877[ 49.249552] ------------[ cut here ]------------ 12] CR2: ffffffffb79a0b50 CR3: 000000010562c006 CR4: 00000000003[ 49.260943] refcount_t: underflow; use-after-free. 706f0 # [ 38.495681] Call Trace: # [ 38.498407] direct_en[ 49.272532] WARNING: CPU: 0 PID: 2567 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 try.cold+0x2c/0x38 # [ 38.502792] full_proxy_write+0x53/0x80[ 49.288179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.507080] vfs_write+0xe7/0x3a0 # [ 38.510785] ksys[ 49.320835] CPU: 0 PID: 2567 Comm: cat Tainted: G D W 5.10.155-cip21 #1 _write+0x68/0xf0 # [ 38.514483] do_syscall_64+0x30/0x40 # [[ 49.335723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 38.518479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 3[ 49.348748] RIP: 0010:refcount_warn_saturate+0xba/0x110 8.524119] RIP: 0033:0x7f43859d88f3 # [ 38.528108] Code: 8b 15[ 49.360818] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 49.388003] RSP: 0018:ffffb01ec3067e40 EFLAGS: 00010286 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 49.400017] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.414241] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 [ 38.549092] RSP: 002b:00007ffe36065998 EFLAGS: 00000246 ORIG_[ 49.428414] RBP: ffffffffb7d88330 R08: 0000000000000000 R09: 0000000000000000 RAX: 0000000000000001 # [ 38.557547] RAX: ffffffffffffffda RB[ 49.442643] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 X: 0000000000000009 RCX: 00007f43859d88f3 # [ 38.565518] RDX:[ 49.456848] R13: ffffb01ec3067f10 R14: ffffb01ec3067f10 R15: ffff8b810264f000 0000000000000009 RSI: 00007f43858cb000 RDI: 0000000000000001 #[ 49.471042] FS: 00007fb31dfc9580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 [ 38.573479] RBP: 00007f43858cb000 R08: 00007f43858ca010 R09:[ 49.486282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000000 # [ 38.581439] R10: fffffffffffffbc5 R11: 0[ 49.498914] CR2: 00007fb31ddd2000 CR3: 0000000102984004 CR4: 00000000003706f0 000000000000246 R12: 0000000000000001 # [ 38.589409] R13: 000[ 49.513140] Call Trace: 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 49.522108] __refcount_sub_and_test.constprop.0+0x3c/0x50 38.597383] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 49.534441] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 49.547012] direct_entry.cold+0x2c/0x38 trialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec[ 49.557580] full_proxy_write+0x53/0x80 _sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_u[ 49.568141] vfs_write+0xe7/0x3a0 sbpd_notify # [ 38.623824] CR2: ffffffffb79a0b50 # [ 38.62[ 49.578005] ksys_write+0x68/0xf0 7523] ---[ end trace dd93a1e1caaa3856 ]--- # [ 38.632677] RIP[ 49.587950] do_syscall_64+0x30/0x40 : 0010:lkdtm_BUG+0x5/0x10 # [ 38.637054] Code: 89 ff e8 8e a3[ 49.598114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc [ 49.609998] RIP: 0033:0x7fb31dedf8f3 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f[ 49.620174] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 38.65[ 49.647400] RSP: 002b:00007ffe16b28778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8035] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 38.6638[ 49.662053] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb31dedf8f3 70] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 00000000000[ 49.676264] RDX: 0000000000000020 RSI: 00007fb31ddd2000 RDI: 0000000000000001 00000 # [ 38.671837] RDX: 0000000000000000 RSI: ffff8b817ad9b[ 49.690423] RBP: 00007fb31ddd2000 R08: 00007fb31ddd1010 R09: 0000000000000000 f70 RDI: ffffffffb79a06d0 # [ 38.679805] RBP: ffffffffb7de399[ 49.704618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8 R08: 0000000000000001 R09: 0000000000000001 # [ 38.687775] [ 49.718815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 49.733028] irq event stamp: 0 4 # [ 38.695744] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 [ 49.742627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R15: ffff8b810333c000 # [ 38.703713] FS: 00007f4385ac2580(00[ 49.755864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 38.7[ 49.771197] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 12749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 49.786555] softirqs last disabled at (0): [<0000000000000000>] 0x0 38.719164] CR2: ffffffffb79a0b50 CR3: 000000010562c006 CR4: 0000[ 49.799789] ---[ end trace dd93a1e1caaa3868 ]--- 0000003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests[ 49.811158] lkdtm: Saturation detected: still saturated : lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 38.831028] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 38.839324] lkdtm: attempting bad ro_after_init write at ffffffffb7e04330 # [ 38.853156] BUG: unable to handle page fault for address: ffffffffb7e04330 # [ 38.867004] #PF: supervisor write access in kernel mode # [ 38.872830] #PF: error_code(0x0003) - permissions violation # [ 38.879042] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 104861063 PTE 800000003dc04061 # [ 38.887800] Oops: 0003 [#15] SMP PTI # [ 38.891789] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 38.900437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.907245] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 38.913269] Code: 94 d8 b7 e9 3e 9b fd ff 48 c7 c7 60 94 d8 b7 e8 32 9b fd ff 48 8b 05 a7 3c ac 00 ba 34 12 cd ab 48 c7 c7 08 94 d8 b7 48 31 d0 <48> 89 05 91 3c ac 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 38.934248] RSP: 0018:ffffb01ec26f7e60 EFLAGS: 00010202 # [ 38.940[ 49.923042] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 49.936523] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 49.944011] ------------[ cut here ]------------ [ 49.949202] refcount_t: underflow; use-after-free. 073] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000[ 49.954556] WARNING: CPU: 2 PID: 2602 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000 # [ 38.948035] RDX: 00000000abcd1234 RSI: ffff8b817ac1[ 49.970183] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.002851] CPU: 2 PID: 2602 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 50.011502] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.018309] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 50.024145] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 [ 50.045128] RSP: 0018:ffffb01ec3107e40 EFLAGS: 00010286 [ 50.050962] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 50.058933] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 [ 50.066904] RBP: ffffffffb7d88350 R08: 0000000000000000 R09: 0000000000000000 [ 50.074875] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 50.082850] R13: ffffb01ec3107f10 R14: ffffb01ec3107f10 R15: ffff8b810274e000 [ 50.090850] FS: 00007f1aedbf1580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 [ 50.099891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.106306] CR2: 00007f1aed9fa000 CR3: 0000000103070003 CR4: 00000000003706e0 [ 50.114277] Call Trace: [ 50.117008] __refcount_sub_and_test.constprop.0+0x3c/0x50 bf70 RDI: ffffffffb7d89408 # [ 38.955995] RBP: ffffffffb7d885[ 50.123161] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 50.135720] direct_entry.cold+0x2c/0x38 fe R08: 0000000000000000 R09: 0000000000000000 # [ 38.963963][ 50.140112] full_proxy_write+0x53/0x80 [ 50.150599] vfs_write+0xe7/0x3a0 [ 50.154299] ksys_write+0x68/0xf0 [ 50.158000] do_syscall_64+0x30/0x40 [ 50.161991] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.167633] RIP: 0033:0x7f1aedb078f3 [ 50.171622] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.192605] RSP: 002b:00007ffe1d6cc6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.201063] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1aedb078f3 [ 50.209035] RDX: 0000000000000020 RSI: 00007f1aed9fa000 RDI: 0000000000000001 [ 50.217006] RBP: 00007f1aed9fa000 R08: 00007f1aed9f9010 R09: 0000000000000000 [ 50.224978] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.232948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.240922] irq event stamp: 0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 50.244355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.257565] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.266704] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.275840] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.282838] ---[ end trace dd93a1e1caaa3869 ]--- [ 50.287993] lkdtm: Saturation detected: still saturated 14 # [ 38.971933] R13: ffffb01ec26f7f10 R14: ffffb01ec26f7f10 R15: ffff8b8105505000 # [ 38.979903] FS: 00007f97ae74d580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 38.988941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.995357] CR2: ffffffffb7e04330 CR3: 000000010346c003 CR4: 00000000003706f0 # [ 39.003327] Call Trace: # [ 39.006053] direct_entry.cold+0x2c/0x38 # [ 39.010438] full_proxy_write+0x53/0x80 # [ 39.014724] vfs_write+0xe7/0x3a0 # [ 39.018427] ksys_write+0x68/0xf0 # [ 39.022118] do_syscall_64+0x30/0x40 # [ 39.026114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.031753] RIP: 0033:0x7f97ae6638f3 # [ 39.035741] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.056724] RSP: 002b:00007ffe49b94708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.065171] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f97ae6638f3 # [ 39.073141] RDX: 0000000000000014 RSI: 00007f97ae556000 RDI: 0000000000000001 # [ 39.081111] RBP: 00007f97ae556000 R08: 00007f97ae555010 R09: 0000000000000000 # [ 39.089080] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.097048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.105023] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.131466] CR2: ffffffffb7e04330 # [ 39.135163] ---[ end trace dd93a1e1caaa3857 ]--- # [ 39.140311] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.144688] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 39.165668] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 39.171502] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.179464] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 39.187433] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 39.195402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.203371] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 39.211341] FS: 00007f97ae74d580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 39.220377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.226792] CR2: ffffffffb7e04330 CR3: 000000010346c003 CR4: 00000000003706f0 # [ 39.234760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.244671] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1995, name: cat # [ 39.253118] INFO: lockdep is turned off. # [ 39.257493] irq event stamp: 0 # [ 39.260899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.267898] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 39.277024] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 39.286160] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.293160] CPU: 0 PID: 1995 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 39.301808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.308611] Call Trace: # [ 39.311340] dump_stack+0x77/0x9b # [ 39.315045] ___might_sleep.cold+0xa6/0xb6 # [ 39.319624] exit_signals+0x1c/0x2e0 # [ 39.323611] do_exit+0xd5/0xb00 # [ 39.327115] ? ksys_write+0x68/0xf0 # [ 39.330999] rewind_stack_do_exit+0x17/0x20 # [ 39.335671] RIP: 0033:0x7f97ae6638f3 # [ 39.339659] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 50.692143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 50.703910] lkdtm: attempting good copy_to_user of correct size [ 50.710557] lkdtm: attempting bad copy_to_user of too large size 54 24 18 # [ 39.360643] RSP: 002b:00007ffe49b94708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.369090] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f97ae6638f3 # [ 39.377059] RDX: 0000000000000014 RSI: 00007f97ae556000 RDI: 0000000000000001 # [ 39.385029] RBP: 00007f97ae556000 R08: 00007f97ae555010 R09: 0000000000000000 # [ 39.392998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.400964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 39.512846] lkdtm: Performing direct entry WRITE_KERN # [ 39.520282] lkdtm: attempting bad 6684857 byte write at ffffffffb73405a9 # [ 39.533992] BUG: unable to handle page fault for address: ffffffffb73405a9 # [ 39.547841] #PF: supervisor write access in kernel mode # [ 39.553667] #PF: error_code(0x0003) - permissions violation # [ 39.559880] PGD 3de29067 P4D 3de29067 PUD 3de2a063 PMD 3d0000e1 # [ 39.5[ 50.822384] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 50.829898] lkdtm: attempting good copy_from_user of correct size [ 50.836739] lkdtm: attempting bad copy_from_user of too large size 66595] Oops: 0003 [#16] SMP PTI # [ 39.570583] CPU: 0 PID: 2030 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 39.579232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.586040] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 39.591200] Code: 53 48 c7 c3 a9 05 34 b7 49 89 dc 48 89 da 49 81 ec f0 04 ce b6 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 f0 04 ce b6 a4 48 c7 c7 08 94 d8 b7 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 39.612183] RSP: 0018:ffffb01ec27f7e50 EFLAGS: 00010246 # [ 39.618016] RAX: 000000000000003c RBX: ffffffffb73405a9 RCX: 00000000006600b9 # [ 39.625986] RDX: 0000000000000000 RSI: ffffffffb6ce04f0 RDI: ffffffffb73405a9 # [ 39.633956] RBP: ffffffffb7d88612 R08: 0000000000000000 R09: 0000000000000000 # [ 39.641924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006600b9 # [ 39.649893] R13: ffffb01ec27f7f10 R14: ffffb01ec27f7f10 R15: ffff8b81066fe000 # [ 39.657865] FS: 00007f0a9fa66580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 39.666902] CS: 0010 DS: 0000 ES: 00[ 50.944250] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 00 CR0: 0000000080050033 # [ 39.673318] CR2: ffffffffb73405a9[ 50.956505] lkdtm: attempting good copy_to_user inside whitelist CR3: 0000000103502003 CR4: 00000000003706f0 # [ 39.681279] C[ 50.969426] lkdtm: attempting bad copy_to_user outside whitelist all Trace: # [ 39.684009] direct_entry.cold+0x2c/0x38 # [ 39.688393] full_proxy_write+0x53/0x80 # [ 39.692680] vfs_write+0xe7/0x3a0 # [ 39.696384] ksys_write+0x68/0xf0 # [ 39.700084] do_syscall_64+0x30/0x40 # [ 39.704078] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.709717] RIP: 0033:0x7f0a9f97c8f3 # [ 39.713704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.734677] RSP: 002b:00007ffc5e884118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.743132] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0a9f97c8f3 # [ 39.751100] RDX: 000000000000000b RSI: 00007f0a9f86f000 RDI: 0000000000000001 # [ 39.759067] RBP: 00007f0a9f86f000 R08: 00007f0a9f86e010 R09: 0000000000000000 # [ 39.767038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.775008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.782982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 51.088597] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM rialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs c[ 51.101609] lkdtm: attempting good copy_from_user inside whitelist ros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub [ 51.114758] lkdtm: attempting bad copy_from_user outside whitelist x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.809422] CR2: ffffffffb73405a9 # [ 39.813117] ---[ end trace dd93a1e1caaa3858 ]--- # [ 39.818272] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.822648] Code: 89 ff e8 8e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 c4 92 02 # [ 39.843631] RSP: 0018:ffffb01ec142fe60 EFLAGS: 00010282 # [ 39.849463] RAX: ffffffffb6ce0120 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.857432] RDX: 0000000000000000 RSI: ffff8b817ad9bf70 RDI: ffffffffb79a06d0 # [ 39.865400] RBP: ffffffffb7de3998 R08: 0000000000000001 R09: 0000000000000001 # [ 39.873368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.881337] R13: ffffb01ec142ff10 R14: ffffb01ec142ff10 R15: ffff8b810333c000 # [ 39.889309] FS: 00007f0a9fa66580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 39.898337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.904752] CR2: ffffffffb73405a9 CR3: 0000000103502003 CR4: 00000000003706f0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 40.015177] [ 51.248864] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 51.259077] lkdtm: good_stack: ffffb01ec34cfe20-ffffb01ec34cfe40 [ 51.265817] lkdtm: bad_stack : ffffb01ec34cfda8-ffffb01ec34cfdc8 [ 51.272560] lkdtm: attempting good copy_to_user of local stack lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 40.0[ 51.279088] lkdtm: attempting bad copy_to_user of distant stack 25141] lkdtm: attempting good refcount_inc() without overflow # [ 40.038265] lkdtm: attempting bad refcount_inc() overflow # [ 40.050503] ------------[ cut here ]------------ # [ 40.061838] refcount_t: saturated; leaking memory. # [ 40.073450] WARNING: CPU: 0 PID: 2065 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 40.089093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.121728] CPU: 0 PID: 2065 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 40.136594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.149631] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 40.161691] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 # [ 40.188851] RSP: 0018:ffffb01ec2857e48 EFLAGS: 00010286 # [ 40.200940] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 40.215114[ 51.404534] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 51.417126] lkdtm: good_stack: ffffb01ec355fe20-ffffb01ec355fe40 ] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1b[ 51.423866] lkdtm: bad_stack : ffffb01ec355fda8-ffffb01ec355fdc8 f70 # [ 40.229338] RBP: ffffffffb7d8861d R08: 000000000000000[ 51.436792] lkdtm: attempting good copy_from_user of local stack 0 R09: 0000000000000000 # [ 40.243509] R10: 00000000ffffe000 [ 51.449718] lkdtm: attempting bad copy_from_user of distant stack R11: 3fffffffffffffff R12: 0000000000000016 # [ 40.257737] R13: ffffb01ec2857f10 R14: ffffb01ec2857f10 R15: ffff8b81029eb000 # [ 40.271944] FS: 00007f69d199e580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 40.287201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.299822] CR2: 00007f69d17a7000 CR3: 0000000103032006 CR4: 00000000003706f0 # [ 40.314037] Call Trace: # [ 40.323018] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 40.334563] direct_entry.cold+0x2c/0x38 # [ 40.345199] full_proxy_write+0x53/0x80 # [ 40.355655] vfs_write+0xe7/0x3a0 # [ 40.365604] ksys_write+0x68/0xf0 # [ 40.375495] do_syscall_64+0x30/0x40 # [ 40.385723] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.397569] RIP: 0033:0x7f69d18b48f3 # [ 40.407777] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.434994] RSP: 00[ 51.559838] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 51.568882] lkdtm: good_stack: ffffb01ec35efe20-ffffb01ec35efe40 [ 51.575614] lkdtm: bad_stack : ffffb01ec35efff8-ffffb01ec35f0018 2b:00007ffef7e42d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.582346] lkdtm: attempting good copy_to_user of local stack [ 51.595063] lkdtm: attempting bad copy_to_user of distant stack # [ 40.449697] RAX: ffffffffffffffda RBX: 0000000000000016 RC[ 51.601701] lkdtm: copy_to_user failed, but lacked Oops X: 00007f69d18b48f3 # [ 40.463874] RDX: 0000000000000016 RSI: 00007f69d17a7000 RDI: 0000000000000001 # [ 40.478093] RBP: 00007f69d17a7000 R08: 00007f69d17a6010 R09: 0000000000000000 # [ 40.492275] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.506486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.520670] irq event stamp: 0 # [ 40.530302] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.540761] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 40.549946] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 40.559118] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.566156] ---[ end trace dd93a1e1caaa3859 ]--- # [ 40.571334] 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 # [ 40.673406] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 40.683181] lkdtm: attempting good refcount_add() without overflow # [ 40.696302] lkdtm: attempting bad refcount_add() overflow # [ 40.708545] ------------[ cut here ]------------ # [ 40.719915] refcount_t: s[ 51.736670] lkdtm: Performing direct entry USERCOPY_KERNEL [ 51.744213] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb79a0b70 aturated; leaking memory. # [ 40.731508] WARNING: CPU: 1 PID:[ 51.752906] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb66e33b0 [ 51.767450] lkdtm: FAIL: survived bad copy_to_user() 2097 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 40.747122] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.779776] CPU: 1 PID: 2097 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 40.794673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.807697] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 40.819749] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 # [ 40.846946] RSP: 0018:ffffb01ec28b7e48 EFLAGS: 00010286 # [ 40.858998] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 40.873183] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 40.881156] RBP: ffffffffb7d88633 R08: 0000000000000000 R09: 0000000000000000 # [ 40.895338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 40.909523] R13: ffffb01ec28b7f10 [ 51.886630] lkdtm: Performing direct entry STACKLEAK_ERASING R14: ffffb01ec28b7f10 R15: ffff8b810568d000 # [ 40.917497] FS[ 51.897445] lkdtm: checking unused part of the thread stack (15928 bytes)... : 00007f8ad7547580(0000) GS:ffff8b817ac80000(0000) knlGS:000000[ 51.911552] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 0000000000 # [ 40.932747] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 51.925557] lkdtm: FAIL: the thread stack is NOT properly erased 00000080050033 # [ 40.945382] CR2: 00007f8ad7350000 CR3: 0000[ 51.938458] CPU: 0 PID: 2967 Comm: cat Tainted: G D W 5.10.155-cip21 #1 [ 51.953309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.960114] Call Trace: [ 51.962837] dump_stack+0x77/0x9b [ 51.966540] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 51.971701] direct_entry.cold+0x2c/0x38 [ 51.976083] full_proxy_write+0x53/0x80 [ 51.980370] vfs_write+0xe7/0x3a0 [ 51.984074] ksys_write+0x68/0xf0 [ 51.987773] do_syscall_64+0x30/0x40 [ 51.991766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.997397] RIP: 0033:0x7f64b8aa78f3 [ 52.001387] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.022367] RSP: 002b:00007ffca91f2b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.030822] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64b8aa78f3 [ 52.038789] RDX: 0000000000000012 RSI: 00007f64b899a000 RDI: 0000000000000001 [ 52.046757] RBP: 00007f64b899a000 R08: 00007f64b8999010 R09: 0000000000000000 [ 52.054726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.062694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0001033e0003 CR4: 00000000003706e0 # [ 40.959569] Call Trace: # [ 40.968516] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 40.980081] direct_entry.cold+0x2c/0x38 # [ 40.990676] full_proxy_write+0x53/0x80 # [ 41.001177] vfs_write+0xe7/0x3a0 # [ 41.011091] ksys_write+0x68/0xf0 # [ 41.021009] do_syscall_64+0x30/0x40 # [ 41.031218] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.043075] RIP: 0033:0x7f8ad745d8f3 # [ 41.053281] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.074268] RSP: 002b:00007ffd78741b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.088934] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8ad745d8f3 # [ 41.096910] RDX: 0000000000000016 RSI: 00007f8ad7350000 RDI: 0000000000000001 # [ 41.111090] RBP: 00007f8ad7350000 R08: 00007f8ad734f010 R09: 0000000000000000 # [ 41.119067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.133252] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.147442] irq event stamp: 0 # [ 41.1[ 52.187501] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 52.195084] lkdtm: Calling matched prototype ... [ 52.200272] lkdtm: Calling mismatched prototype ... [ 52.205719] lkdtm: Fail: survived mismatched prototype function call! 57060] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.170278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 41.185625] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 41.200976] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.214189] ---[ end trace dd93a1e1caaa385a ]--- # [ 41.225559] 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 # [ 41.333653] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 41.343867] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 41.357009] ------------[ cut here ]------------ # [ 41.368386] refcount_t: saturated; leaking memory. # [ 41.379996] WARNING: CPU: 0 PID: 2129 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 41.395617] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.428260] CPU: 0 PID: 2129 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 41.443183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.456177] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 41.468265] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 # [ 41.495434] RSP: 0018:ffffb01ec28afe38 EFLAGS: 00010282 # [ 41.507510] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 41.521667] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 41.535879] RBP: ffffffffb7d88270 R08: 0000000000000000 R09: 0000000000000000 # [ 41.550052] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 41.564239] R13: ffffb01ec28aff10 R14: ffffb01ec28aff10 R15: ffff8b81033c5000 # [ 41.578419] FS: 00007f0f9576b580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 41.593682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.606312] CR2: 00007f0f95574000 CR3: 000000010274e003 CR4: 00000000003706f0 # [ 41.620495] Call Trace: # [ 41.629441] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 41.641798] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 41.654216] direct_entry.cold+0x2c/0x38 # [ 41.664822] full_proxy_write+0x53/0x80 # [ 41.675314] vfs_write+0xe7/0x3a0 # [ 41.685223] ksys_write+0x68/0xf0 # [ 41.695146] do_syscall_64+0x30/0x40 # [ 41.705343] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.717197] RIP: 0033:0x7f0f956818f3 # [ 41.727407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.754597] RSP: 002b:00007ffdf92cf348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.769279] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0f956818f3 # [ 41.783457] RDX: 000000000000001f RSI: 00007f0f95574000 RDI: 0000000000000001 # [ 41.797647] RBP: 00007f0f95574000 R08: 00007f0f95573010 R09: 0000000000000000 # [ 41.811815] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.826017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.840202] irq event stamp: 0 # [ 41.849820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.863042] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 41.878388] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 41.893766] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.906973] ---[ end trace dd93a1e1caaa385b ]--- # [ 41.918380] 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 # [ 42.027421] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 42.036657] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 42.043574] ------------[ cut here ]------------ # [ 42.054941] refcount_t: saturated; leaking memory. # [ 42.060340] WARNING: CPU: 2 PID: 2162 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 42.069777] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.102432] CPU: 2 PID: 2162 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 42.111099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.124109] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 42.129946] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 # [ 42.150960] RSP: 0018:ffffb01ec298fe38 EFLAGS: 00010282 # [ 42.156799] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 42.164785] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 # [ 42.172800] RBP: ffffffffb7d88290 R08: 0000000000000000 R09: 0000000000000000 # [ 42.180785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.188800] R13: ffffb01ec298ff10 R14: ffffb01ec298ff10 R15: ffff8b8104d8b000 # [ 42.196785] FS: 00007f8e31647580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 42.205859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.212277] CR2: 00007f8e31450000 CR3: 00000001029bc001 CR4: 00000000003706e0 # [ 42.220248] Call Trace: # [ 42.222981] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 42.229144] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 42.235399] direct_entry.cold+0x2c/0x38 # [ 42.239795] full_proxy_write+0x53/0x80 # [ 42.244113] vfs_write+0xe7/0x3a0 # [ 42.247847] ksys_write+0x68/0xf0 # [ 42.251580] do_syscall_64+0x30/0x40 # [ 42.255606] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.261278] RIP: 0033:0x7f8e3155d8f3 # [ 42.265269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.286252] RSP: 002b:00007fff044759f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.294711] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8e3155d8f3 # [ 42.302684] RDX: 000000000000001f RSI: 00007f8e31450000 RDI: 0000000000000001 # [ 42.310655] RBP: 00007f8e31450000 R08: 00007f8e3144f010 R09: 0000000000000000 # [ 42.318631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.326633] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.334611] irq event stamp: 0 # [ 42.338046] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.351258] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 42.360425] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 42.369564] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.376563] ---[ end trace dd93a1e1caaa385c ]--- # [ 42.381745] 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 # [ 42.490176] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 42.498841] lkdtm: attempting good refcount_dec() # [ 42.510330] lkdtm: attempting bad refcount_dec() to zero # [ 42.522472] ------------[ cut here ]------------ # [ 42.533860] refcount_t: decrement hit 0; leaking memory. # [ 42.546043] WARNING: CPU: 0 PID: 2194 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 42.561667] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.594311] CPU: 0 PID: 2194 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 42.609184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.622251] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 42.634273] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 42.661540] RSP: 0018:ffffb01ec2a2fe48 EFLAGS: 00010286 # [ 42.673540] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 42.687783] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 42.701894] RBP: ffffffffb7d88649 R08: 0000000000000000 R09: 0000000000000000 # [ 42.716109] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 42.730276] R13: ffffb01ec2a2ff10 R14: ffffb01ec2a2ff10 R15: ffff8b8103229000 # [ 42.744461] FS: 00007f1748d68580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 42.759732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.772343] CR2: 00007f1748b71000 CR3: 00000001033f8001 CR4: 00000000003706f0 # [ 42.786530] Call Trace: # [ 42.795491] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 42.806660] direct_entry.cold+0x2c/0x38 # [ 42.817262] full_proxy_write+0x53/0x80 # [ 42.827787] vfs_write+0xe7/0x3a0 # [ 42.837688] ksys_write+0x68/0xf0 # [ 42.847602] do_syscall_64+0x30/0x40 # [ 42.857848] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.869677] RIP: 0033:0x7f1748c7e8f3 # [ 42.879887] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.907085] RSP: 002b:00007fffdecfb8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.921794] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1748c7e8f3 # [ 42.935957] RDX: 0000000000000012 RSI: 00007f1748b71000 RDI: 0000000000000001 # [ 42.950175] RBP: 00007f1748b71000 R08: 00007f1748b70010 R09: 0000000000000000 # [ 42.964338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.978533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.992724] irq event stamp: 0 # [ 43.002332] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.015546] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.030907] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.046255] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.059477] ---[ end trace dd93a1e1caaa385d ]--- # [ 43.070864] 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 # [ 43.182637] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 43.194098] lkdtm: attempting bad refcount_dec() below zero # [ 43.200356] ------------[ cut here ]------------ # [ 43.205549] refcount_t: decrement hit 0; leaking memory. # [ 43.211546] WARNING: CPU: 3 PID: 2229 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.220979] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.253611] CPU: 3 PID: 2229 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 43.262293] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.269102] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.274942] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 43.295956] RSP: 0018:ffffb01ec2ac7e48 EFLAGS: 00010286 # [ 43.301807] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 43.309780] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 # [ 43.317772] RBP: ffffffffb7d8865b R08: 0000000000000000 R09: 0000000000000000 # [ 43.325774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 43.333768] R13: ffffb01ec2ac7f10 R14: ffffb01ec2ac7f10 R15: ffff8b8104f6d000 # [ 43.341748] FS: 00007f12b2506580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 43.357025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.363457] CR2: 00007f12b230f000 CR3: 000000010562a004 CR4: 00000000003706e0 # [ 43.377633] Call Trace: # [ 43.380366] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 43.385755] direct_entry.cold+0x2c/0x38 # [ 43.390135] full_proxy_write+0x53/0x80 # [ 43.400625] vfs_write+0xe7/0x3a0 # [ 43.404355] ksys_write+0x68/0xf0 # [ 43.408060] do_syscall_64+0x30/0x40 # [ 43.412082] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.417749] RIP: 0033:0x7f12b241c8f3 # [ 43.427951] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.448937] RSP: 002b:00007fff500fcf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.457426] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f12b241c8f3 # [ 43.465400] RDX: 0000000000000016 RSI: 00007f12b230f000 RDI: 0000000000000001 # [ 43.473371] RBP: 00007f12b230f000 R08: 00007f12b230e010 R09: 0000000000000000 # [ 43.481346] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.489317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.497294] irq event stamp: 0 # [ 43.500727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.513936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.523095] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.532233] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.539234] ---[ end trace dd93a1e1caaa385e ]--- # [ 43.544390] 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 # [ 43.650188] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 43.662724] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 43.676037] ------------[ cut here ]------------ # [ 43.681222] refcount_t: underflow; use-after-free. # [ 43.686601] WARNING: CPU: 3 PID: 2264 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 43.696036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.728692] CPU: 3 PID: 2264 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 43.737345] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.750364] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 43.756230] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 43.777215] RSP: 0018:ffffb01ec2b67e40 EFLAGS: 00010286 # [ 43.783080] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 43.791055] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 # [ 43.799028] RBP: ffffffffb7d882b0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.807002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 43.814972] R13: ffffb01ec2b67f10 R14: ffffb01ec2b67f10 R15: ffff8b81064b3000 # [ 43.822946] FS: 00007f416513d580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 43.831986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.838404] CR2: 00007f4164f46000 CR3: 00000001029b8002 CR4: 00000000003706e0 # [ 43.846377] Call Trace: # [ 43.849110] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 43.855269] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 43.861527] direct_entry.cold+0x2c/0x38 # [ 43.865939] full_proxy_write+0x53/0x80 # [ 43.870256] vfs_write+0xe7/0x3a0 # [ 43.873987] ksys_write+0x68/0xf0 # [ 43.877692] do_syscall_64+0x30/0x40 # [ 43.881714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.887385] RIP: 0033:0x7f41650538f3 # [ 43.891406] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.912389] RSP: 002b:00007ffe7cb31778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.920870] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41650538f3 # [ 43.928843] RDX: 000000000000001f RSI: 00007f4164f46000 RDI: 0000000000000001 # [ 43.936814] RBP: 00007f4164f46000 R08: 00007f4164f45010 R09: 0000000000000000 # [ 43.944796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.952766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.960752] irq event stamp: 0 # [ 43.970370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.977372] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.986509] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.995646] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.002645] ---[ end trace dd93a1e1caaa385f ]--- # [ 44.007800] 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 # [ 44.118522] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 44.132384] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 44.145716] ------------[ cut here ]------------ # [ 44.157064] refcount_t: underflow; use-after-free. # [ 44.168638] WARNING: CPU: 0 PID: 2299 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 44.184290] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.216942] CPU: 0 PID: 2299 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 44.231816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.244824] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 44.256920] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 44.284092] RSP: 0018:ffffb01ec2bcfe40 EFLAGS: 00010286 # [ 44.296204] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 44.310344] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 44.324593] RBP: ffffffffb7d882d0 R08: 0000000000000000 R09: 0000000000000000 # [ 44.338733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.352955] R13: ffffb01ec2bcff10 R14: ffffb01ec2bcff10 R15: ffff8b8106683000 # [ 44.367111] FS: 00007f192eba8580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 44.382387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.395005] CR2: 00007f192e9b1000 CR3: 00000001066ee006 CR4: 00000000003706f0 # [ 44.409206] Call Trace: # [ 44.418150] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 44.430491] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 44.442928] direct_entry.cold+0x2c/0x38 # [ 44.453531] full_proxy_write+0x53/0x80 # [ 44.464022] vfs_write+0xe7/0x3a0 # [ 44.473930] ksys_write+0x68/0xf0 # [ 44.483855] do_syscall_64+0x30/0x40 # [ 44.494077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.505932] RIP: 0033:0x7f192eabe8f3 # [ 44.516144] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.543346] RSP: 002b:00007ffec227c518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.558004] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f192eabe8f3 # [ 44.572190] RDX: 000000000000001f RSI: 00007f192e9b1000 RDI: 0000000000000001 # [ 44.586419] RBP: 00007f192e9b1000 R08: 00007f192e9b0010 R09: 0000000000000000 # [ 44.600625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.614831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.629042] irq event stamp: 0 # [ 44.638663] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.651846] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 44.667199] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 44.682590] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.695792] ---[ end trace dd93a1e1caaa3860 ]--- # [ 44.707204] 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 # [ 44.820868] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 44.830441] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 44.837543] lkdtm: Good: zero detected # [ 44.841762] lkdtm: Correctly stayed at zero # [ 44.852645] lkdtm: attempting bad refcount_inc() from zero # [ 44.858786] ------------[ cut here ]------------ # [ 44.863943] refcount_t: addition on 0; use-after-free. # [ 44.869715] WARNING: CPU: 2 PID: 2331 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 44.879146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.911821] CPU: 2 PID: 2331 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 44.920482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.933497] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 44.939336] Code: 01 01 e8 7a 99 95 00 0f 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 b7 c6 05 51 2c 94 01 01 e8 57 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 # [ 44.960319] RSP: 0018:ffffb01ec2c47e48 EFLAGS: 00010286 # [ 44.966155] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 44.974126] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 # [ 44.982096] RBP: ffffffffb7d88671 R08: 0000000000000000 R09: 0000000000000000 # [ 44.990071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 44.998043] R13: ffffb01ec2c47f10 R14: ffffb01ec2c47f10 R15: ffff8b81031b7000 # [ 45.006015] FS: 00007f9015258580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 45.015054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.021474] CR2: 00007f9015061000 CR3: 00000001056d2006 CR4: 00000000003706e0 # [ 45.029445] Call Trace: # [ 45.032178] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 45.037168] direct_entry.cold+0x2c/0x38 # [ 45.047755] full_proxy_write+0x53/0x80 # [ 45.058254] vfs_write+0xe7/0x3a0 # [ 45.061977] ksys_write+0x68/0xf0 # [ 45.065679] do_syscall_64+0x30/0x40 # [ 45.069694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.075336] RIP: 0033:0x7f901516e8f3 # [ 45.079327] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.100314] RSP: 002b:00007ffefbbae578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.108805] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f901516e8f3 # [ 45.116807] RDX: 0000000000000012 RSI: 00007f9015061000 RDI: 0000000000000001 # [ 45.124791] RBP: 00007f9015061000 R08: 00007f9015060010 R09: 0000000000000000 # [ 45.132761] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.140744] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.148724] irq event stamp: 0 # [ 45.158335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.165337] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.174474] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.183609] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.190611] ---[ end trace dd93a1e1caaa3861 ]--- # [ 45.195766] 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 # [ 45.305770] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 45.312468] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 45.325830] lkdtm: Good: zero detected # [ 45.336249] lkdtm: Correctly stayed at zero # [ 45.347149] lkdtm: attempting bad refcount_add() from zero # [ 45.359510] ------------[ cut here ]------------ # [ 45.370883] refcount_t: addition on 0; use-after-free. # [ 45.382854] WARNING: CPU: 0 PID: 2363 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 45.398538] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.431136] CPU: 0 PID: 2363 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 45.446074] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.459033] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 45.471158] Code: 01 01 e8 7a 99 95 00 0f 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 b7 c6 05 51 2c 94 01 01 e8 57 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 # [ 45.498286] RSP: 0018:ffffb01ec2ce7e48 EFLAGS: 00010286 # [ 45.510376] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 45.524523] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 45.538714] RBP: ffffffffb7d88683 R08: 0000000000000000 R09: 0000000000000000 # [ 45.552898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 45.567093] R13: ffffb01ec2ce7f10 R14: ffffb01ec2ce7f10 R15: ffff8b810554f000 # [ 45.581277] FS: 00007fda2e650580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 45.596538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.609167] CR2: 00007fda2e459000 CR3: 00000001013f2003 CR4: 00000000003706f0 # [ 45.623364] Call Trace: # [ 45.632300] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 45.643483] direct_entry.cold+0x2c/0x38 # [ 45.654071] full_proxy_write+0x53/0x80 # [ 45.664599] vfs_write+0xe7/0x3a0 # [ 45.674483] ksys_write+0x68/0xf0 # [ 45.684406] do_syscall_64+0x30/0x40 # [ 45.694604] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.706456] RIP: 0033:0x7fda2e5668f3 # [ 45.716648] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.743883] RSP: 002b:00007ffd72693798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.758540] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fda2e5668f3 # [ 45.772731] RDX: 0000000000000012 RSI: 00007fda2e459000 RDI: 0000000000000001 # [ 45.786929] RBP: 00007fda2e459000 R08: 00007fda2e458010 R09: 0000000000000000 # [ 45.801128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.815320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.829532] irq event stamp: 0 # [ 45.839159] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.852394] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.867749] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.883098] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.896301] ---[ end trace dd93a1e1caaa3862 ]--- # [ 45.907713] 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 # [ 46.026620] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 46.037245] lkdtm: attempting bad refcount_inc() from saturated # [ 46.050091] ------------[ cut here ]------------ # [ 46.061441] refcount_t: saturated; leaking memory. # [ 46.073031] WARNING: CPU: 1 PID: 2398 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.088647] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.121281] CPU: 1 PID: 2398 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 46.136147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.142957] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.155001] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 # [ 46.182196] RSP: 0018:ffffb01ec2d87e48 EFLAGS: 00010286 # [ 46.194247] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 46.202219] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 46.216402] RBP: ffffffffb7d88695 R08: 0000000000000000 R09: 0000000000000000 # [ 46.230588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 46.244790] R13: ffffb01ec2d87f10 R14: ffffb01ec2d87f10 R15: ffff8b8105551000 # [ 46.252778] FS: 00007f47a4adf580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 # [ 46.268013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.280646] CR2: 00007f47a48e8000 CR3: 0000000103128002 CR4: 00000000003706e0 # [ 46.288619] Call Trace: # [ 46.297587] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 46.309224] direct_entry.cold+0x2c/0x38 # [ 46.319813] full_proxy_write+0x53/0x80 # [ 46.330331] vfs_write+0xe7/0x3a0 # [ 46.340225] ksys_write+0x68/0xf0 # [ 46.350141] do_syscall_64+0x30/0x40 # [ 46.360347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.372203] RIP: 0033:0x7f47a49f58f3 # [ 46.382407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.409602] RSP: 002b:00007ffca6ef85a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.424274] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f47a49f58f3 # [ 46.432247] RDX: 0000000000000017 RSI: 00007f47a48e8000 RDI: 0000000000000001 # [ 46.446426] RBP: 00007f47a48e8000 R08: 00007f47a48e7010 R09: 0000000000000000 # [ 46.454401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.468582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.476576] irq event stamp: 0 # [ 46.486170] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.493173] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 46.508516] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 46.517656] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.530866] ---[ end trace dd93a1e1caaa3863 ]--- # [ 46.536023] 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 # [ 46.645728] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 46.654314] lkdtm: attempting bad refcount_dec() from saturated # [ 46.660926] ------------[ cut here ]------------ # [ 46.666088] refcount_t: decrement hit 0; leaking memory. # [ 46.672055] WARNING: CPU: 3 PID: 2433 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.681486] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.714142] CPU: 3 PID: 2433 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 46.722806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.735816] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.741651] Code: 90 3f d2 b7 c6 05 e1 2b 94 01 01 e8 ea 98 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 3f d2 b7 c6 05 c8 2b 94 01 01 e8 d0 98 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.762635] RSP: 0018:ffffb01ec2e17e48 EFLAGS: 00010286 # [ 46.768471] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 46.776443] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 # [ 46.784414] RBP: ffffffffb7d886ac R08: 0000000000000000 R09: 0000000000000000 # [ 46.792384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 46.800353] R13: ffffb01ec2e17f10 R14: ffffb01ec2e17f10 R15: ffff8b810562c000 # [ 46.808324] FS: 00007ffa65728580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 46.817362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.823793] CR2: 00007ffa65531000 CR3: 00000001034f4006 CR4: 00000000003706e0 # [ 46.831763] Call Trace: # [ 46.834516] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 46.839994] direct_entry.cold+0x2c/0x38 # [ 46.844399] full_proxy_write+0x53/0x80 # [ 46.848727] vfs_write+0xe7/0x3a0 # [ 46.852436] ksys_write+0x68/0xf0 # [ 46.862344] do_syscall_64+0x30/0x40 # [ 46.866336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.871976] RIP: 0033:0x7ffa6563e8f3 # [ 46.875967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.896949] RSP: 002b:00007ffd4099bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.905406] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ffa6563e8f3 # [ 46.913378] RDX: 0000000000000017 RSI: 00007ffa65531000 RDI: 0000000000000001 # [ 46.921348] RBP: 00007ffa65531000 R08: 00007ffa65530010 R09: 0000000000000000 # [ 46.929322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.937326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.945323] irq event stamp: 0 # [ 46.948741] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.961955] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 46.971121] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 46.980260] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.987260] ---[ end trace dd93a1e1caaa3864 ]--- # [ 46.992417] 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 # [ 47.101387] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 47.110754] lkdtm: attempting bad refcount_dec() from saturated # [ 47.117374] ------------[ cut here ]------------ # [ 47.128750] refcount_t: saturated; leaking memory. # [ 47.134117] WARNING: CPU: 2 PID: 2468 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.149745] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.182380] CPU: 2 PID: 2468 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 47.191054] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.197863] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.203724] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 85 2c 94 01 00 75 ee 48 c7 c7 e0 3e d2 b7 c6 05 75 2c 94 01 01 e8 7a 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 61 2c 94 01 00 75 cb 48 c7 c7 08 3f d2 # [ 47.230916] RSP: 0018:ffffb01ec2e9fe48 EFLAGS: 00010286 # [ 47.236759] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 47.244777] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 # [ 47.252792] RBP: ffffffffb7d886c3 R08: 0000000000000000 R09: 0000000000000000 # [ 47.260764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 47.268757] R13: ffffb01ec2e9ff10 R14: ffffb01ec2e9ff10 R15: ffff8b81029a9000 # [ 47.276745] FS: 00007f9bad988580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 47.291998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.298415] CR2: 00007f9bad791000 CR3: 00000001026b6006 CR4: 00000000003706e0 # [ 47.306388] Call Trace: # [ 47.309120] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 47.314600] direct_entry.cold+0x2c/0x38 # [ 47.319004] full_proxy_write+0x53/0x80 # [ 47.323313] vfs_write+0xe7/0x3a0 # [ 47.327012] ksys_write+0x68/0xf0 # [ 47.330732] do_syscall_64+0x30/0x40 # [ 47.334746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.346603] RIP: 0033:0x7f9bad89e8f3 # [ 47.350593] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.371575] RSP: 002b:00007fff5c7c33f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.380034] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9bad89e8f3 # [ 47.388006] RDX: 0000000000000017 RSI: 00007f9bad791000 RDI: 0000000000000001 # [ 47.395978] RBP: 00007f9bad791000 R08: 00007f9bad790010 R09: 0000000000000000 # [ 47.403949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.411919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.419895] irq event stamp: 0 # [ 47.423333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.430334] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.439472] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.448610] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.455610] ---[ end trace dd93a1e1caaa3865 ]--- # [ 47.460769] 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 # [ 47.670882] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 47.681196] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 47.688683] ------------[ cut here ]------------ # [ 47.693842] refcount_t: saturated; leaking memory. # [ 47.699218] WARNING: CPU: 3 PID: 2500 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.708653] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.741288] CPU: 3 PID: 2500 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 47.749967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.756806] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.762666] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 # [ 47.783648] RSP: 0018:ffffb01ec2f17e38 EFLAGS: 00010282 # [ 47.789486] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 47.797459] RDX: ffff8b817adac660 RSI: ffff8b817ad9bf70 RDI: ffff8b817ad9bf70 # [ 47.805430] RBP: ffffffffb7d882f0 R08: 0000000000000000 R09: 0000000000000000 # [ 47.813400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 47.821372] R13: ffffb01ec2f17f10 R14: ffffb01ec2f17f10 R15: ffff8b8105489000 # [ 47.829344] FS: 00007f01ed81b580(0000) GS:ffff8b817ad80000(0000) knlGS:0000000000000000 # [ 47.838383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.844800] CR2: 00007f01ed624000 CR3: 00000001033e0003 CR4: 00000000003706e0 # [ 47.852785] Call Trace: # [ 47.855517] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.861674] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 47.868019] direct_entry.cold+0x2c/0x38 # [ 47.872398] full_proxy_write+0x53/0x80 # [ 47.876682] vfs_write+0xe7/0x3a0 # [ 47.880408] ksys_write+0x68/0xf0 # [ 47.884111] do_syscall_64+0x30/0x40 # [ 47.888127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.893772] RIP: 0033:0x7f01ed7318f3 # [ 47.897763] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.918751] RSP: 002b:00007fffaabd32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.933425] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f01ed7318f3 # [ 47.941395] RDX: 0000000000000020 RSI: 00007f01ed624000 RDI: 0000000000000001 # [ 47.949365] RBP: 00007f01ed624000 R08: 00007f01ed623010 R09: 0000000000000000 # [ 47.957336] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.965308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.973283] irq event stamp: 0 # [ 47.976714] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.989928] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.999065] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.008201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.015203] ---[ end trace dd93a1e1caaa3866 ]--- # [ 48.020357] 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 # [ 48.122865] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 48.133348] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 48.147055] ------------[ cut here ]------------ # [ 48.158425] refcount_t: saturated; leaking memory. # [ 48.170021] WARNING: CPU: 1 PID: 2532 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.185637] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.218267] CPU: 1 PID: 2532 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 48.233133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.246158] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.258209] Code: 01 01 e8 57 99 95 00 0f 0b c3 cc cc cc cc 80 3d 40 2c 94 01 00 75 a8 48 c7 c7 e0 3e d2 b7 c6 05 30 2c 94 01 01 e8 34 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 # [ 48.285404] RSP: 0018:ffffb01ec2fd7e38 EFLAGS: 00010282 # [ 48.297460] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 48.311647] RDX: ffff8b817acac660 RSI: ffff8b817ac9bf70 RDI: ffff8b817ac9bf70 # [ 48.325838] RBP: ffffffffb7d88310 R08: 0000000000000000 R09: 0000000000000000 # [ 48.340023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 48.354210] R13: ffffb01ec2fd7f10 R14: ffffb01ec2fd7f10 R15: ffff8b8103547000 # [ 48.368399] FS: 00007f198e0ca580(0000) GS:ffff8b817ac80000(0000) knlGS:0000000000000000 # [ 48.383652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.396288] CR2: 00007f198ded3000 CR3: 0000000103632004 CR4: 00000000003706e0 # [ 48.410472] Call Trace: # [ 48.419421] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.431763] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 48.444296] direct_entry.cold+0x2c/0x38 # [ 48.454890] full_proxy_write+0x53/0x80 # [ 48.465388] vfs_write+0xe7/0x3a0 # [ 48.475300] ksys_write+0x68/0xf0 # [ 48.485220] do_syscall_64+0x30/0x40 # [ 48.495421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.507279] RIP: 0033:0x7f198dfe08f3 # [ 48.517483] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.544683] RSP: 002b:00007ffed3a49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.559354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f198dfe08f3 # [ 48.573544] RDX: 0000000000000020 RSI: 00007f198ded3000 RDI: 0000000000000001 # [ 48.587730] RBP: 00007f198ded3000 R08: 00007f198ded2010 R09: 0000000000000000 # [ 48.601918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.616107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.630298] irq event stamp: 0 # [ 48.639916] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.653134] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.668486] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.683840] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.697053] ---[ end trace dd93a1e1caaa3867 ]--- # [ 48.708424] 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 # [ 49.224315] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 49.235853] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 49.249552] ------------[ cut here ]------------ # [ 49.260943] refcount_t: underflow; use-after-free. # [ 49.272532] WARNING: CPU: 0 PID: 2567 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.288179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.320835] CPU: 0 PID: 2567 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 49.335723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.348748] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.360818] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 49.388003] RSP: 0018:ffffb01ec3067e40 EFLAGS: 00010286 # [ 49.400017] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 49.414241] RDX: ffff8b817ac2c660 RSI: ffff8b817ac1bf70 RDI: ffff8b817ac1bf70 # [ 49.428414] RBP: ffffffffb7d88330 R08: 0000000000000000 R09: 0000000000000000 # [ 49.442643] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.456848] R13: ffffb01ec3067f10 R14: ffffb01ec3067f10 R15: ffff8b810264f000 # [ 49.471042] FS: 00007fb31dfc9580(0000) GS:ffff8b817ac00000(0000) knlGS:0000000000000000 # [ 49.486282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.498914] CR2: 00007fb31ddd2000 CR3: 0000000102984004 CR4: 00000000003706f0 # [ 49.513140] Call Trace: # [ 49.522108] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.534441] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 49.547012] direct_entry.cold+0x2c/0x38 # [ 49.557580] full_proxy_write+0x53/0x80 # [ 49.568141] vfs_write+0xe7/0x3a0 # [ 49.578005] ksys_write+0x68/0xf0 # [ 49.587950] do_syscall_64+0x30/0x40 # [ 49.598114] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.609998] RIP: 0033:0x7fb31dedf8f3 # [ 49.620174] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.647400] RSP: 002b:00007ffe16b28778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.662053] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb31dedf8f3 # [ 49.676264] RDX: 0000000000000020 RSI: 00007fb31ddd2000 RDI: 0000000000000001 # [ 49.690423] RBP: 00007fb31ddd2000 R08: 00007fb31ddd1010 R09: 0000000000000000 # [ 49.704618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.718815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.733028] irq event stamp: 0 # [ 49.742627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.755864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.771197] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.786555] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.799789] ---[ end trace dd93a1e1caaa3868 ]--- # [ 49.811158] 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 # [ 49.923042] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 49.936523] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 49.944011] ------------[ cut here ]------------ # [ 49.949202] refcount_t: underflow; use-after-free. # [ 49.954556] WARNING: CPU: 2 PID: 2602 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.970183] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.002851] CPU: 2 PID: 2602 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 50.011502] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.018309] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.024145] Code: 01 01 e8 34 99 95 00 0f 0b c3 cc cc cc cc 80 3d 1a 2c 94 01 00 75 85 48 c7 c7 38 3f d2 b7 c6 05 0a 2c 94 01 01 e8 11 99 95 00 <0f> 0b c3 cc cc cc cc 80 3d f5 2b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.045128] RSP: 0018:ffffb01ec3107e40 EFLAGS: 00010286 # [ 50.050962] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 50.058933] RDX: ffff8b817ad2c660 RSI: ffff8b817ad1bf70 RDI: ffff8b817ad1bf70 # [ 50.066904] RBP: ffffffffb7d88350 R08: 0000000000000000 R09: 0000000000000000 # [ 50.074875] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.082850] R13: ffffb01ec3107f10 R14: ffffb01ec3107f10 R15: ffff8b810274e000 # [ 50.090850] FS: 00007f1aedbf1580(0000) GS:ffff8b817ad00000(0000) knlGS:0000000000000000 # [ 50.099891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.106306] CR2: 00007f1aed9fa000 CR3: 0000000103070003 CR4: 00000000003706e0 # [ 50.114277] Call Trace: # [ 50.117008] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.123161] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 50.135720] direct_entry.cold+0x2c/0x38 # [ 50.140112] full_proxy_write+0x53/0x80 # [ 50.150599] vfs_write+0xe7/0x3a0 # [ 50.154299] ksys_write+0x68/0xf0 # [ 50.158000] do_syscall_64+0x30/0x40 # [ 50.161991] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.167633] RIP: 0033:0x7f1aedb078f3 # [ 50.171622] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.192605] RSP: 002b:00007ffe1d6cc6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.201063] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1aedb078f3 # [ 50.209035] RDX: 0000000000000020 RSI: 00007f1aed9fa000 RDI: 0000000000000001 # [ 50.217006] RBP: 00007f1aed9fa000 R08: 00007f1aed9f9010 R09: 0000000000000000 # [ 50.224978] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.232948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.240922] irq event stamp: 0 # [ 50.244355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.257565] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.266704] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.275840] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.282838] ---[ end trace dd93a1e1caaa3869 ]--- # [ 50.287993] 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 # [ 50.692143] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 50.703910] lkdtm: attempting good copy_to_user of correct size # [ 50.710557] 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 # [ 50.822384] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 50.829898] lkdtm: attempting good copy_from_user of correct size # [ 50.836739] 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 # [ 50.944250] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 50.956505] lkdtm: attempting good copy_to_user inside whitelist # [ 50.969426] 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 # [ 51.088597] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 51.101609] lkdtm: attempting good copy_from_user inside whitelist # [ 51.114758] 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 # [ 51.248864] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 51.259077] lkdtm: good_stack: ffffb01ec34cfe20-ffffb01ec34cfe40 # [ 51.265817] lkdtm: bad_stack : ffffb01ec34cfda8-ffffb01ec34cfdc8 # [ 51.272560] lkdtm: attempting good copy_to_user of local stack # [ 51.279088] 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 # [ 51.404534] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 51.417126] lkdtm: good_stack: ffffb01ec355fe20-ffffb01ec355fe40 # [ 51.423866] lkdtm: bad_stack : ffffb01ec355fda8-ffffb01ec355fdc8 # [ 51.436792] lkdtm: attempting good copy_from_user of local stack # [ 51.449718] 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 # [ 51.559838] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 51.568882] lkdtm: good_stack: ffffb01ec35efe20-ffffb01ec35efe40 # [ 51.575614] lkdtm: bad_stack : ffffb01ec35efff8-ffffb01ec35f0018 # [ 51.582346] lkdtm: attempting good copy_to_user of local stack # [ 51.595063] lkdtm: attempting bad copy_to_user of distant stack # [ 51.601701] 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 # [ 51.736670] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 51.744213] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb79a0b70 # [ 51.752906] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb66e33b0 # [ 51.767450] 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 # [ 51.886630] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 51.897445] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 51.911552] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 51.925557] lkdtm: FAIL: the thread stack is NOT properly erased # [ 51.938458] CPU: 0 PID: 2967 Comm: cat Tainted: G D W 5.10.155-cip21 #1 # [ 51.953309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.960114] Call Trace: # [ 51.962837] dump_stack+0x77/0x9b # [ 51.966540] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 51.971701] direct_entry.cold+0x2c/0x38 # [ 51.976083] full_proxy_write+0x53/0x80 # [ 51.980370] vfs_write+0xe7/0x3a0 # [ 51.984074] ksys_write+0x68/0xf0 # [ 51.987773] do_syscall_64+0x30/0x40 # [ 51.991766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.997397] RIP: 0033:0x7f64b8aa78f3 # [ 52.001387] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.022367] RSP: 002b:00007ffca91f2b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.030822] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64b8aa78f3 # [ 52.038789] RDX: 0000000000000012 RSI: 00007f64b899a000 RDI: 0000000000000001 # [ 52.046757] RBP: 00007f64b899a000 R08: 00007f64b8999010 R09: 0000000000000000 # [ 52.054726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.062694] 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 # [ 52.187501] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 52.195084] lkdtm: Calling matched prototype ... # [ 52.200272] lkdtm: Calling mismatched prototype ... # [ 52.205719] 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 / #