[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_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 31876 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) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 32 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...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x03 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized 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 376055 run 170709 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8963 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90947 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107731 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 14154 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 14153 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 22367 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 53497 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 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 9258 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 10046 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10039 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465944 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486071 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 825764 exit 39233 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114104 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 139265 exit 20121 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 30851 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 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 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 2250 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 5963 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2247 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 23490 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 23790 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2257 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2389 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24427 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-05 00:48:51 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-05 00:48:51 UTC ELOG: Event(92) added with size 9 at 2022-07-05 00:48:51 UTC ELOG: Event(9A) added with size 9 at 2022-07-05 00:48:51 UTC ELOG: Event(AD) added with size 10 at 2022-07-05 00:48:51 UTC ELOG: Event(16) added with size 11 at 2022-07-05 00:48:51 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(9F) added with size 14 at 2022-07-05 00:48:51 UTC BS: BS_DEV_INIT times (us): entry 0 run 417090 exit 124596 ELOG: Event(A1) added with size 10 at 2022-07-05 00:48:51 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-05 00:48:51 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25556 run 3967 exit 5211 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum bebf coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533881 exit 145994 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() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits 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 594 run 258654 exit 135074 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 6750127/tftp-deploy-xo7b8vwy/kernel/bzImage 6750127/tftp-deploy-xo7b8vwy/kernel/cmdline 6750127/tftp-deploy-xo7b8vwy/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6750127/tftp-deploy-xo7b8vwy/kernel/bzImoy-xo7b8vwy/kernel/cmdline 6750127/tftp-deploy-xo7b8vwy/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 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6750127/tftp-deploy-xo7b8vwy/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ done. The bootfile was 13099616 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: 6750127/tftp-deploy-xo7b8vwy/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/6750127/extract-nfsrootfs-lpmy7yag,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: 18367135 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip10 (KernelCI@build-j308944-x86-64-gcc-10-x86-64-defconfig-x86-chromebooq79r5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 5 01:41:04 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/6750127/extract-nfsrootfs-lpmy7yag,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 [ 0.000039] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001080] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005618] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.017908] check: Scanning 1 areas for low memory corruption [ 0.017918] Using GB pages for direct mapping [ 0.018437] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.018443] ACPI: Early table checksum verification disabled [ 0.018453] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.018465] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018477] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018489] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.018499] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018507] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018515] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.018524] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018533] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018542] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.018551] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.018560] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018568] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.018577] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018586] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.018590] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.018593] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018597] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018600] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.018604] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.018607] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.018611] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.018614] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.018618] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.018621] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.018625] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.018752] No NUMA configuration found [ 0.018756] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.018763] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.018795] Zone ranges: [ 0.018799] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.018805] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.018810] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.018816] Movable zone start for each node [ 0.018819] Early memory node ranges [ 0.018823] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.018827] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.018831] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.018835] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.018861] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.018897] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.028728] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.028781] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.028804] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.029142] ACPI: PM-Timer IO Port: 0x1808 [ 0.029191] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.029201] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.029216] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.029227] Using ACPI (MADT) for SMP configuration information [ 0.029232] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.029238] TSC deadline timer available [ 0.029242] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.029263] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.029268] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.029273] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.029276] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.029279] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.029282] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.029285] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.029289] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.029292] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.029295] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.029298] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.029301] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.029305] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.029308] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.029311] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.029318] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.029324] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.040193] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.040425] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.040479] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.040483] Policy zone: Normal [ 0.040494] 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/6750127/extract-nfsrootfs-lpmy7yag,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.040893] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.041088] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.041155] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.059198] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.059316] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.059360] Kernel/User page tables isolation: enabled [ 0.059422] ftrace: allocating 52718 entries in 206 pages [ 0.088086] ftrace: allocated 206 pages with 5 groups [ 0.088304] Running RCU self tests [ 0.088316] rcu: Hierarchical RCU implementation. [ 0.088320] rcu: RCU event tracing is enabled. [ 0.088323] rcu: RCU lockdep checking is enabled. [ 0.088327] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088330] Rude variant of Tasks RCU enabled. [ 0.088333] Tracing variant of Tasks RCU enabled. [ 0.088337] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088341] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.095570] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.095965] random: crng init done [ 0.096047] Console: colour dummy device 80x25 [ 0.171126] printk: console [ttyS0] enabled [ 0.171495] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.172155] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.172509] ... MAX_LOCK_DEPTH: 48 [ 0.172870] ... MAX_LOCKDEP_KEYS: 8192 [ 0.173245] ... CLASSHASH_SIZE: 4096 [ 0.173620] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.174003] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.174385] ... CHAINHASH_SIZE: 32768 [ 0.174768] memory used by lock dependency info: 6365 kB [ 0.175229] memory used for stack traces: 4224 kB [ 0.175641] per task-struct memory footprint: 1920 bytes [ 0.176145] ACPI: Core revision 20200925 [ 0.176676] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.177176] APIC: Switch to symmetric I/O mode setup [ 0.181632] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.182544] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.183447] pid_max: default: 32768 minimum: 301 [ 0.183531] LSM: Security Framework initializing [ 0.183531] SELinux: Initializing. [ 0.183531] LSM support for eBPF active [ 0.183531] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183531] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183531] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.183531] process: using mwait in idle threads [ 0.183531] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.183531] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.183531] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.183531] Spectre V2 : Mitigation: Retpolines [ 0.183531] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.183531] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.183531] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.183531] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.183531] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.183531] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183531] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183531] SRBDS: Vulnerable: No microcode [ 0.183531] Freeing SMP alternatives memory: 44K [ 0.183531] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.184068] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.184544] ... version: 4 [ 0.184899] ... bit width: 48 [ 0.185258] ... generic registers: 4 [ 0.185537] ... value mask: 0000ffffffffffff [ 0.186000] ... max period: 00007fffffffffff [ 0.186461] ... fixed-purpose events: 3 [ 0.186536] ... event mask: 000000070000000f [ 0.187431] rcu: Hierarchical SRCU implementation. [ 0.189237] smp: Bringing up secondary CPUs ... [ 0.190156] x86: Booting SMP configuration: [ 0.190548] .... node #0, CPUs: #1 [ 0.191623] 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. [ 0.192555] 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. [ 0.194101] #2 #3 [ 0.196087] smp: Brought up 1 node, 4 CPUs [ 0.196538] smpboot: Max logical packages: 1 [ 0.196917] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.199810] devtmpfs: initialized [ 0.200103] x86/mm: Memory block size: 128MB [ 0.203617] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.204549] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.205497] pinctrl core: initialized pinctrl subsystem [ 0.205853] PM: RTC time: 00:49:05, date: 2022-07-05 [ 0.206733] NET: Registered protocol family 16 [ 0.207738] audit: initializing netlink subsys (disabled) [ 0.208236] audit: type=2000 audit(1656982145.025:1): state=initialized audit_enabled=0 res=1 [ 0.208906] thermal_sys: Registered thermal governor 'step_wise' [ 0.209052] thermal_sys: Registered thermal governor 'user_space' [ 0.209601] cpuidle: using governor menu [ 0.210670] ACPI: bus type PCI registered [ 0.211331] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.211544] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.212157] PCI: Using configuration type 1 for base access [ 0.232719] Kprobes globally optimized [ 0.233084] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.233548] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.234284] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.236789] ACPI: Added _OSI(Module Device) [ 0.237541] ACPI: Added _OSI(Processor Device) [ 0.237934] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.238346] ACPI: Added _OSI(Processor Aggregator Device) [ 0.238547] ACPI: Added _OSI(Linux-Dell-Video) [ 0.238941] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.239404] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.250286] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.257369] ACPI: EC: EC started [ 0.257535] ACPI: EC: interrupt blocked [ 0.258522] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.258540] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.259176] ACPI: Interpreter enabled [ 0.259559] ACPI: (supports S0 S3 S4 S5) [ 0.259908] ACPI: Using IOAPIC for interrupt routing [ 0.260407] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.275014] ACPI: Power Resource [PRIC] (on) [ 0.396652] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.397201] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.397790] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.398445] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.399067] PCI host bridge to bus 0000:00 [ 0.399434] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.399538] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.400125] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.400537] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.401181] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.401537] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.402180] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.402537] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.403181] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.403537] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.404180] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.404537] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.405180] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.405537] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.406181] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.406537] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.407180] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.407537] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.408195] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.408537] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.409178] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.409609] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.411001] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.411543] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.412140] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.412545] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.413598] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.414139] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.415208] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.415559] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.416731] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.417279] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.417668] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.418843] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.419391] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.420155] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.420580] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.421887] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.422443] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.423306] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.423580] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.424186] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.425236] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.425580] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.426913] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.427609] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.428814] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.429370] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.430282] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.430580] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.431885] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.432434] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.433348] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.433574] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.434842] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.436049] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.436566] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.437779] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.438332] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.438592] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.439267] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.440206] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.440602] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.441257] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.442182] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.442567] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.444070] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.444732] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.446159] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.448150] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.448553] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.450261] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.450786] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.451621] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.452487] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.452772] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.453628] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.454486] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.454770] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.460555] ACPI: EC: interrupt unblocked [ 0.460921] ACPI: EC: event unblocked [ 0.461257] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.461537] ACPI: EC: GPE=0x6e [ 0.461816] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.462424] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.462911] iommu: Default domain type: Translated [ 0.463592] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.464135] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.464565] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.465064] vgaarb: loaded [ 0.465781] SCSI subsystem initialized [ 0.466141] ACPI: bus type USB registered [ 0.466672] usbcore: registered new interface driver usbfs [ 0.467200] usbcore: registered new interface driver hub [ 0.467570] usbcore: registered new device driver usb [ 0.468117] pps_core: LinuxPPS API ver. 1 registered [ 0.468537] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.469325] PTP clock support registered [ 0.469740] Advanced Linux Sound Architecture Driver Initialized. [ 0.471325] NetLabel: Initializing [ 0.471538] NetLabel: domain hash size = 128 [ 0.471921] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.472471] NetLabel: unlabeled traffic allowed by default [ 0.472634] PCI: Using ACPI for IRQ routing [ 0.480721] clocksource: Switched to clocksource tsc-early [ 0.789663] VFS: Disk quotas dquot_6.6.0 [ 0.790052] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.790977] pnp: PnP ACPI init [ 0.791915] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.792492] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.793080] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.793668] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.794243] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.794827] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.795431] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.796044] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.796628] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.797203] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.798525] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.799367] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.800100] system 00:04: [io 0x0200] has been reserved [ 0.800581] system 00:04: [io 0x0204] has been reserved [ 0.801048] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.801575] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.804176] pnp: PnP ACPI: found 6 devices [ 0.816700] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.817579] NET: Registered protocol family 2 [ 0.818092] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.820033] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.820946] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.821798] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.823988] TCP: Hash tables configured (established 32768 bind 32768) [ 0.824809] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.825693] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.826484] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.827418] NET: Registered protocol family 1 [ 0.828367] RPC: Registered named UNIX socket transport module. [ 0.828919] RPC: Registered udp transport module. [ 0.829333] RPC: Registered tcp transport module. [ 0.829754] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.830751] NET: Registered protocol family 44 [ 0.831159] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.831624] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.832220] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.832762] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.833298] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.833944] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.834549] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.835143] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.835745] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.836346] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.836955] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.837567] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.838168] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.838776] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.839378] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.839986] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.840598] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.841199] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.841810] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.842411] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.843035] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.843647] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.844249] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.845146] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.847460] PCI: CLS 64 bytes, default 64 [ 0.848124] Unpacking initramfs... [ 1.090132] Freeing initrd memory: 8312K [ 1.090605] DMAR: Host address width 39 [ 1.090970] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.091487] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.092224] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.092775] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.093253] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.094022] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.094591] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.095448] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.096150] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.096728] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.097220] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.097697] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.098189] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.100079] kvm: already loaded the other module [ 1.116786] check: Scanning for low memory corruption every 60 seconds [ 1.119871] Initialise system trusted keyrings [ 1.120443] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.136424] NFS: Registering the id_resolver key type [ 1.136911] Key type id_resolver registered [ 1.137300] Key type id_legacy registered [ 1.153061] Key type asymmetric registered [ 1.153453] Asymmetric key parser 'x509' registered [ 1.153935] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.154595] io scheduler mq-deadline registered [ 1.154994] io scheduler kyber registered [ 1.155512] test_firmware: interface ready [ 1.157118] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.158668] ACPI: AC Adapter [AC] (on-line) [ 1.159336] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.160844] ACPI: Lid Switch [LID0] [ 1.161364] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.162201] ACPI: Power Button [PWRF] [ 1.162816] ACPI: \_PR_.CP00: Found 3 idle states [ 1.163864] ACPI: \_PR_.CP01: Found 3 idle states [ 1.164750] ACPI: \_PR_.CP02: Found 3 idle states [ 1.165635] ACPI: \_PR_.CP03: Found 3 idle states [ 1.166868] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.169730] hpet_acpi_add: no address or irqs in _CRS [ 1.170076] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.170395] Non-volatile memory driver v1.3 [ 1.171213] Linux agpgart interface v0.103 [ 1.173732] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.226913] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.228179] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.229099] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.230310] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.264194] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.267602] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.282920] loop: module loaded [ 1.283881] lkdtm: No crash points registered, enable through debugfs [ 1.302991] printk: console [ttyS0] disabled [ 1.303633] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.138492] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.138515] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.142245] clocksource: Switched to clocksource tsc [ 4.512481] printk: console [ttyS0] enabled [ 4.512516] fbcon: i915drmfb (fb0) is primary device [ 4.522517] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.524171] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.530649] e100: Intel(R) PRO/100 Network Driver [ 4.530652] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.530698] e1000: Intel(R) PRO/1000 Network Driver [ 4.530700] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.530759] e1000e: Intel(R) PRO/1000 Network Driver [ 4.530761] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.530824] sky2: driver version 1.30 [ 4.531122] usbcore: registered new interface driver r8152 [ 4.531436] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.531449] ehci-pci: EHCI PCI platform driver [ 4.531497] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.531508] ohci-pci: OHCI PCI platform driver [ 4.531579] uhci_hcd: USB Universal Host Controller Interface driver [ 4.532372] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.533195] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.533592] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.534470] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.534518] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.536150] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.536165] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.536172] usb usb1: Product: xHCI Host Controller [ 4.536175] usb usb1: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.536178] usb usb1: SerialNumber: 0000:00:14.0 [ 4.537369] hub 1-0:1.0: USB hub found [ 4.537492] hub 1-0:1.0: 12 ports detected [ 4.540519] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.540886] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.540896] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.541156] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.541162] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.541164] usb usb2: Product: xHCI Host Controller [ 4.541167] usb usb2: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.541169] usb usb2: SerialNumber: 0000:00:14.0 [ 4.542258] hub 2-0:1.0: USB hub found [ 4.542348] hub 2-0:1.0: 6 ports detected [ 4.543942] usbcore: registered new interface driver usblp [ 4.543989] usbcore: registered new interface driver usb-storage [ 4.544338] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.544452] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.544455] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.545096] i8042: Warning: Keylock active [ 4.545355] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.546955] rtc_cmos 00:02: RTC can wake from S4 [ 4.548600] rtc_cmos 00:02: registered as rtc0 [ 4.548862] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.549630] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.550895] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.550932] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.551669] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.553070] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.553136] intel_pstate: Intel P-state driver initializing [ 4.553404] Console: switching to colour frame buffer device 240x67 [ 4.553876] intel_pstate: HWP enabled [ 4.553910] sdhci: Secure Digital Host Controller Interface driver [ 4.553911] sdhci: Copyright(c) Pierre Ossman [ 4.553945] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.554276] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.555050] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.555205] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.556577] hid: raw HID events driver (C) Jiri Kosina [ 4.557097] usbcore: registered new interface driver usbhid [ 4.557099] usbhid: USB HID core driver [ 4.557500] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.562778] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.563390] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.564082] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.564357] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.564654] gre: GRE over IPv4 demultiplexor driver [ 4.564656] ip_gre: GRE over IPv4 tunneling driver [ 4.565451] IPv4 over IPsec tunneling driver [ 4.569417] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.575348] Initializing XFRM netlink socket [ 4.594991] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 4.598125] NET: Registered protocol family 10 [ 4.667773] 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 [ 4.670047] Segment Routing with IPv6 [ 4.775588] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 4.784742] ip6_gre: GRE over IPv6 tunneling driver [ 4.856651] mmc0: new HS400 MMC card at address 0001 [ 4.859881] NET: Registered protocol family 17 [ 4.864769] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 4.869838] Key type dns_resolver registered [ 4.875031] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 4.918750] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 4.930339] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 4.930546] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 4.938804] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 4.942772] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 4.949686] microcode: Microcode Update Driver: v2.2. [ 4.965919] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.970435] IPI shorthand broadcast: enabled [ 4.970463] sched_clock: Marking stable (4883830782, 86596383)->(5010586206, -40159041) [ 5.032594] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.046085] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.059426] registered taskstats version 1 [ 5.064046] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.064049] usb 2-3: Product: USB 10/100/1000 LAN [ 5.071464] Loading compiled-in X.509 certificates [ 5.076259] usb 2-3: Manufacturer: Realtek [ 5.085799] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.088578] usb 2-3: SerialNumber: 001000001 [ 5.159567] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.162788] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.283843] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.292950] PM: Magic number: 14:165:809 [ 5.297703] printk: console [netcon0] enabled [ 5.302580] netconsole: network logging started [ 5.322696] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.331856] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.339840] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.345200] usb 1-9: Manufacturer: Azurewave [ 5.349976] usb 1-9: SerialNumber: 0x0001 [ 5.359117] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.409673] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.434281] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.444001] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.482666] r8152 2-3:1.0 eth0: v1.11.11 [ 5.487529] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.488054] IP-Config: Failed to open gretap0 [ 5.500654] IP-Config: Failed to open erspan0 [ 5.521780] Sending DHCP requests . [ 7.419385] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.430898] r8152 2-3:1.0 eth0: carrier on [ 7.761688] ., OK [ 7.769981] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 7.778942] IP-Config: Complete: [ 7.782581] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 7.794252] host=asus-C433TA-AJ0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) [ 7.803507] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 7.803508] nameserver0=192.168.201.1 [ 7.816519] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 7.827689] modprobe (101) used greatest stack depth: 14208 bytes left [ 7.830491] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.835060] modprobe (102) used greatest stack depth: 14120 bytes left [ 7.842582] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 7.843627] ALSA device list: [ 7.843631] No soundcards found. [ 7.866482] cfg80211: failed to load regulatory.db [ 7.872019] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 7.881620] Freeing unused kernel image (initmem) memory: 1688K [ 7.899836] Write protecting the kernel read-only data: 26624k [ 7.907437] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 7.915137] Freeing unused kernel image (rodata/data gap) memory: 152K [ 7.922485] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 7.941828] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 7.986145] udevadm (125) used greatest stack depth: 13720 bytes left [ 8.117275] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.126337] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.150188] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.194327] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.205209] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.215833] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.229361] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.239697] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 ga[ 8.344838] ipconfig (159) used greatest stack depth: 13464 bytes left teway: 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 : [ 8.413814] nfsmount (160) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.560313] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.598863] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.627249] systemd[1]: Set hostname to . [ 10.058343] systemd[1]: Queued start job for default target Graphical Interface. [ 10.069796] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.086224] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.102227] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.119172] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.135115] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.154071] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.175699] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.198923] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.214919] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.225791] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.241891] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.252795] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.264104] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.281779] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.298808] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.315229] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.330769] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.349876] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.366217] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.383673] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.401164] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.419104] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.433315] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.455580] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.476712] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.493297] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.508100] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.543317] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.553722] fuse: init (API version 7.32) [ 10.559638] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.576476] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.589983] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.608574] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.625499] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.640900] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.657853] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.672804] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.688772] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.710443] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.717580] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.732906] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0[ 10.853972] systemd-journald[195]: Received client request to flush runtime journal. m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.336134] systemd-tmpfile (206) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.128-cip10 #1 SMP Tue Jul 5 01:41:04 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/6750127/extract-nfsrootfs-lpmy7yag' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6750127/extract-nfsrootfs-lpmy7yag' / # 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-6750127/environment . /lava-6750127/environment / # /lava-6750127/bin/lava-test-runner /lava-6750127/0 /lava-6750127/bin/lava-test-runner /lava-6750127/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6750127/0/tests/0_timesync-off ++ cat uuid + UUID=6750127_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6750127/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6750127_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-119-g603acbe1aceb/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6750127/0/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). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-05 00:49:38-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-119-g603acbe1aceb/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: 3504048 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 169KB/s kselftest.tar.xz 5%[> ] 199.11K 349KB/s kselftest.tar.xz 11%[=> ] 405.57K 474KB/s kselftest.tar.xz 18%[==> ] 630.40K 592KB/s kselftest.tar.xz 22%[===> ] 756.25K 588KB/s kselftest.tar.xz 29%[====> ] 1018K 681KB/s kselftest.tar.xz 34%[=====> ] 1.14M 678KB/s kselftest.tar.xz 42%[=======> ] 1.43M 761KB/s kselftest.tar.xz 47%[========> ] 1.60M 763KB/s kselftest.tar.xz 57%[==========> ] 1.93M 840KB/s kselftest.tar.xz 63%[===========> ] 2.13M 846KB/s kselftest.tar.xz 75%[==============> ] 2.51M 924KB/s kselftest.tar.xz 81%[===============> ] 2.74M 932KB/s eta 1s kselftest.tar.xz 95%[==================> ] 3.18M 1014KB/s eta 1s kselftest.tar.xz 100%[===================>] 3.34M 1.00MB/s in 3.3s 2022-07-05 00:49:42 (1.00 MB/s) - 'kselftest.tar.xz' saved [3504048/3504048] tar: ./timens/timens: time stamp 2022-07-05 01:47:50 is 3487.121576781 s in the future tar: ./timens/gettime_perf: time stamp 2022-07-05 01:47:50 is 3487.117021617 s in the future tar: ./timens/timer: time stamp 2022-07-05 01:47:50 is 3487.112948559 s in the future tar: ./timens/procfs: time stamp 2022-07-05 01:47:50 is 3487.108737813 s in the future tar: ./timens/timerfd: time stamp 2022-07-05 01:47:50 is 3487.104552793 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-07-05 01:47:50 is 3487.099853415 s in the future tar: ./timens/exec: time stamp 2022-07-05 01:47:50 is 3487.095294166 s in the future tar: ./timens/futex: time stamp 2022-07-05 01:47:50 is 3487.09111564 s in the future tar: ./timens: time stamp 2022-07-05 01:48:00 is 3497.089771517 s in the future tar: ./proc/proc-self-wchan: time stamp 2022-07-05 01:47:47 is 3484.084331597 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-07-05 01:47:47 is 3484.08019383 s in the future tar: ./proc/read: time stamp 2022-07-05 01:47:47 is 3484.076059346 s in the future tar: ./proc/proc-pid-vm: time stamp 2022-07-05 01:47:47 is 3484.071602644 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-07-05 01:47:47 is 3484.067837996 s in the future tar: ./proc/setns-dcache: time stamp 2022-07-05 01:47:47 is 3484.063636055 s in the future tar: ./proc/fd-001-lookup: time stamp 2022-07-05 01:47:47 is 3484.059665145 s in the future tar: ./proc/proc-self-map-files-002: time stamp 2022-07-05 01:47:47 is 3484.055100971 s in the future tar: ./proc/proc-uptime-001: time stamp 2022-07-05 01:47:47 is 3484.050459463 s in the future tar: ./proc/self: time stamp 2022-07-05 01:47:47 is 3484.045689511 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-07-05 01:47:47 is 3484.041491059 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-07-05 01:47:47 is 3484.037206376 s in the future tar: ./proc/proc-uptime-002: time stamp 2022-07-05 01:47:47 is 3484.033036253 s in the future tar: ./proc/proc-fsconfig-hidepid: time stamp 2022-07-05 01:47:47 is 3484.028905499 s in the future tar: ./proc/proc-loadavg-001: time stamp 2022-07-05 01:47:47 is 3484.024956899 s in the future tar: ./proc/proc-self-syscall: time stamp 2022-07-05 01:47:47 is 3484.020244543 s in the future tar: ./proc/thread-self: time stamp 2022-07-05 01:47:47 is 3484.015745683 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-07-05 01:47:47 is 3484.01148846 s in the future tar: ./proc: time stamp 2022-07-05 01:48:00 is 3497.010093713 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-07-05 01:47:50 is 3487.003606843 s in the future tar: ./tmpfs: time stamp 2022-07-05 01:48:01 is 3498.002519578 s in the future tar: ./sigaltstack/sas: time stamp 2022-07-05 01:47:49 is 3485.996773123 s in the future tar: ./sigaltstack: time stamp 2022-07-05 01:48:00 is 3496.995676279 s in the future tar: ./clone3/clone3: time stamp 2022-07-05 01:47:30 is 3466.989725775 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-07-05 01:47:30 is 3466.984623352 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-07-05 01:47:30 is 3466.980042487 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-07-05 01:47:30 is 3466.973577948 s in the future tar: ./clone3: time stamp 2022-07-05 01:47:57 is 3493.972440135 s in the future tar: ./sync/sync_test: time stamp 2022-07-05 01:47:50 is 3486.964414355 s in the future tar: ./sync: time stamp 2022-07-05 01:48:00 is 3496.96311993 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-07-05 01:47:39 is 3475.955927631 s in the future tar: ./mincore: time stamp 2022-07-05 01:47:59 is 3495.954855469 s in the future tar: ./run_kselftest.sh: time stamp 2022-07-05 01:47:53 is 3489.9521874 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-07-05 01:47:29 is 3465.946489748 s in the future tar: ./breakpoints: time stamp 2022-07-05 01:47:56 is 3492.945341241 s in the future tar: ./pstore: time stamp 2022-07-05 01:48:00 is 3496.93309811 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-07-05 01:47:30 is 3466.92782275 s in the future tar: ./efivarfs/create-read: time stamp 2022-07-05 01:47:30 is 3466.921276624 s in the future tar: ./efivarfs: time stamp 2022-07-05 01:47:57 is 3493.920262166 s in the future tar: ./cgroup/test_freezer: time stamp 2022-07-05 01:47:30 is 3466.909710212 s in the future tar: ./cgroup/test_core: time stamp 2022-07-05 01:47:30 is 3466.903608059 s in the future tar: ./cgroup/test_kmem: time stamp 2022-07-05 01:47:30 is 3466.898448279 s in the future tar: ./cgroup/test_memcontrol: time stamp 2022-07-05 01:47:30 is 3466.892034588 s in the future tar: ./cgroup: time stamp 2022-07-05 01:47:56 is 3492.888785764 s in the future tar: ./kselftest-list.txt: time stamp 2022-07-05 01:48:02 is 3498.885544868 s in the future tar: ./seccomp/seccomp_bpf: time stamp 2022-07-05 01:47:49 is 3485.848807275 s in the future tar: 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======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.213265] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.421449] lkdtm: Performing direct entry BUG [ 47.426625] ------------[ cut here ]------------ [ 47.432191] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.438108] invalid opcode: 0000 [#1] SMP PTI [ 47.442989] CPU: 1 PID: 725 Comm: cat Not tainted 5.10.128-cip10 #1 [ 47.450002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.456810] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.461182] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 47.482167] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 47.488001] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.495971] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 47.503934] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 47.511897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.519857] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 47.527826] FS: 00007f574197d580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 47.536864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.543279] CR2: 00007f5741796000 CR3: 0000000105774002 CR4: 00000000003706e0 [ 47.551248] Call Trace: [ 47.553976] direct_entry.cold+0x2c/0x38 [ 47.558355] full_proxy_write+0x56/0x80 [ 47.562642] vfs_write+0xea/0x390 [ 47.566341] ksys_write+0x68/0xe0 [ 47.570038] do_syscall_64+0x33/0x40 [ 47.574028] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.579667] RIP: 0033:0x7f57418a5f33 [ 47.583655] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.604639] RSP: 002b:00007ffc496f7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.613087] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f57418a5f33 [ 47.621048] RDX: 0000000000000004 RSI: 00007f5741796000 RDI: 0000000000000001 [ 47.629019] RBP: 00007f5741796000 R08: 00007f5741795010 R09: 0000000000000000 [ 47.636989] R10: 00007f57419a01c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.644958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.652930] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.679387] ---[ end trace 5750de976dd8ea06 ]--- [ 47.684554] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.688941] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 47.709924] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 47.715768] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.723770] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 47.731741] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 47.739703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.747677] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 47.755684] FS: 00007f574197d580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 47.764755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.771204] CR2: 00007f5741796000 CR3: 0000000105774002 CR4: 00000000003706e0 # Segmentation fault # [ 47.421449] lkdtm: Performing direct entry BUG # [ 47.426625] ------------[ cut here ]------------ # [ 47.432191] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.438108] invalid opcode: 0000 [#1] SMP PTI # [ 47.442989] CPU: 1 PID: 725 Comm: cat Not tainted 5.10.128-cip10 #1 # [ 47.450002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.456810] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.461182] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 47.843238] lkdtm: Performing direct entry WARNING [ 47.852555] ------------[ cut here ]------------ [ 47.857721] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 [ 47.867063] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.893510] CPU: 3 PID: 761 Comm: cat Tainted: G D 5.10.128-cip10 #1 [ 47.902067] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.908876] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 47.913669] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 47.934656] RSP: 0018:ffffa0d7814d7e60 EFLAGS: 00010202 [ 47.940492] RAX: ffffffffb50b1af0 RBX: 0000000000000002 RCX: 0000000000000000 [ 47.948463] RDX: 0000000000000000 RSI: ffff93307ad9bf70 RDI: ffffffffb5cd9a80 [ 47.956437] RBP: ffffffffb60c0177 R08: 0000000000000000 R09: 0000000000000000 [ 47.964409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 47.482167][ 47.972385] R13: ffffa0d7814d7f10 R14: ffffa0d7814d7f10 R15: ffff9330055bd000 RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 47.488001] R[ 47.986575] FS: 00007f6982a83580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 48.001830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.008249] CR2: 00007f698289c000 CR3: 0000000104052003 CR4: 00000000003706e0 [ 48.016221] Call Trace: [ 48.018954] direct_entry.cold+0x2c/0x38 [ 48.023369] full_proxy_write+0x56/0x80 [ 48.027707] vfs_write+0xea/0x390 AX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000[ 48.031420] ksys_write+0x68/0xe0 [ 48.041329] do_syscall_64+0x33/0x40 [ 48.045321] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.050987] RIP: 0033:0x7f69829abf33 [ 48.054979] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.075967] RSP: 002b:00007fff2206a078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.084425] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f69829abf33 [ 48.092398] RDX: 0000000000000008 RSI: 00007f698289c000 RDI: 0000000000000001 [ 48.100372] RBP: 00007f698289c000 R08: 00007f698289b010 R09: 0000000000000000 [ 48.108345] R10: 00007f6982aa61c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.116318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.124294] irq event stamp: 0 [ 48.127733] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.134737] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.143901] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.153039] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.160042] ---[ end trace 5750de976dd8ea07 ]--- # [ 47.495971] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 47.503934] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 47.511897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.519857] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 47.527826] FS: 00007f574197d580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 47.536864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.543279] CR2: 00007f5741796000 CR3: 0000000105774002 CR4: 00000000003706e0 # [ 47.551248] Call Trace: # [ 47.553976] direct_[ 48.221707] lkdtm: Performing direct entry WARNING_MESSAGE [ 48.233510] ------------[ cut here ]------------ [ 48.238667] Warning message trigger count: 2 entry.cold+0x2c/0x38 # [ 47.558355] full_proxy_write+0x56/0x[ 48.243454] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 80 # [ 47.562642] vfs_write+0xea/0x390 # [ 47.566341] ks[ 48.259859] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.292505] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 48.301062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.307892] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ys_write+0x68/0xe0 # [ 47.570038] do_syscall_64+0x33/0x40 #[ 48.313544] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 0c b6 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 48.340738] RSP: 0018:ffffa0d781587e60 EFLAGS: 00010286 [ 48.346574] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 48.354570] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 [ 48.362541] RBP: ffffffffb60c017f R08: 0000000000000000 R09: 0000000000000000 [ 48.370537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.378508] R13: ffffa0d781587f10 R14: ffffa0d781587f10 R15: ffff9330041c6000 [ 48.386482] FS: 00007ff4e93e3580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 48.395522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.401940] CR2: 00007ff4e91fc000 CR3: 00000001031e6003 CR4: 00000000003706e0 [ 48.409911] Call Trace: [ 48.412642] direct_entry.cold+0x2c/0x38 [ 48.417048] full_proxy_write+0x56/0x80 [ 48.421360] vfs_write+0xea/0x390 [ 48.425060] ksys_write+0x68/0xe0 [ 48.428760] do_syscall_64+0x33/0x40 [ 48.432750] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.438392] RIP: 0033:0x7ff4e930bf33 [ 48.442383] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.463369] RSP: 002b:00007ffcab2f7b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.471825] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff4e930bf33 [ 48.479788] RDX: 0000000000000010 RSI: 00007ff4e91fc000 RDI: 0000000000000001 [ 48.487758] RBP: 00007ff4e91fc000 R08: 00007ff4e91fb010 R09: 0000000000000000 [ 48.495730] R10: 00007ff4e94061c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.503702] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.511674] irq event stamp: 0 [ 48.515081] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.574028] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 48.522086] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.537438] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 47.579667] RIP: 0033:0x7f57418a5f33 # [ 47.583655] Code: 8b [ 48.546578] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.559791] ---[ end trace 5750de976dd8ea08 ]--- 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.604639] RSP: 002b:00007ffc496f7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.613087] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f57418a5f33 # [ 47.621048] RDX: 0000000000000004 RSI: 00007f5741796000 RDI: 0000000000000001 # [ 47.629019] RBP: 00007f5741796000 R08: 00007f5741795010 R09: 0000000000000000 # [ 47.636989] R10: 00007f57419a01c0 R11:[ 48.619213] lkdtm: Performing direct entry EXCEPTION [ 48.626468] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 48.634251] #PF: supervisor write access in kernel mode [ 48.640084] #PF: error_code(0x0002) - not-present page [ 48.645821] PGD 0 P4D 0 [ 48.648645] Oops: 0002 [#2] SMP PTI [ 48.652535] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 48.661111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.667917] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 48.672877] Code: 48 c7 c7 d8 06 0c b6 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 48.693851] RSP: 0018:ffffa0d7815e7e60 EFLAGS: 00010282 [ 48.699682] RAX: ffffffffb50b1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 48.707653] RDX: 0000000000000000 RSI: ffff93307ad1bf70 RDI: ffffffffb5cd9aa0 [ 48.715623] RBP: ffffffffb5ff5d97 R08: 0000000000000000 R09: 0000000000000000 [ 48.723608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 48.731582] R13: ffffa0d7815e7f10 R14: ffffa0d7815e7f10 R15: ffff93300287f000 [ 48.739567] FS: 00007f138e4ee580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 48.748617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.755032] CR2: 0000000000000000 CR3: 00000001035f4006 CR4: 00000000003706e0 [ 48.763001] Call Trace: [ 48.765729] direct_entry.cold+0x2c/0x38 [ 48.770110] full_proxy_write+0x56/0x80 [ 48.774391] vfs_write+0xea/0x390 [ 48.778078] ksys_write+0x68/0xe0 [ 48.781777] do_syscall_64+0x33/0x40 [ 48.785765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.791405] RIP: 0033:0x7f138e416f33 [ 48.795384] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.816370] RSP: 002b:00007ffe584345e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.824819] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f138e416f33 [ 48.832789] RDX: 000000000000000a RSI: 00007f138e307000 RDI: 0000000000000001 [ 48.840759] RBP: 00007f138e307000 R08: 00007f138e306010 R09: 0000000000000000 [ 48.848728] R10: 00007f138e5111c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.856697] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.864668] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000246 R12: 0000000000000001 # [ 47.644958] R13: 0[ 48.891118] CR2: 0000000000000000 [ 48.901028] ---[ end trace 5750de976dd8ea09 ]--- [ 48.906183] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.910568] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 48.931565] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 48.937400] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.945370] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 48.953340] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.961308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.969276] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 48.977246] FS: 00007f138e4ee580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 48.986285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.992699] CR2: 0000000000000000 CR3: 00000001035f4006 CR4: 00000000003706e0 [ 49.000668] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.010580] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 49.018938] INFO: lockdep is turned off. [ 49.023314] irq event stamp: 0 [ 49.026721] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.033724] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.042860] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.051996] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.058996] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 49.067567] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.074373] Call Trace: [ 49.077100] dump_stack+0x77/0x97 [ 49.080798] ___might_sleep.cold+0xa6/0xb6 [ 49.085370] exit_signals+0x1c/0x2d0 [ 49.089358] do_exit+0xd5/0xb00 [ 49.092862] ? ksys_write+0x68/0xe0 [ 49.096754] rewind_stack_do_exit+0x17/0x20 [ 49.101413] RIP: 0033:0x7f138e416f33 [ 49.105400] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.126384] RSP: 002b:00007ffe584345e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.134839] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f138e416f33 [ 49.142809] RDX: 000000000000000a RSI: 00007f138e307000 RDI: 0000000000000001 [ 49.150778] RBP: 00007f138e307000 R08: 00007f138e306010 R09: 0000000000000000 [ 49.158746] R10: 00007f138e5111c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.166714] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.652930] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.679387] ---[ end trace 5750de976dd8ea06 ]--- # [ 47.684554] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.688941] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 47.709924] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 47.715768] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.723770] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 47.731741] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 47.739703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.747677] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 47.755684] FS: 00007f574197d580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 47.764755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.771204] CR2: 00007f5741796000 CR3: 0000000105774002 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 47.843238] lkdtm: Performing direct entry WARNING # [ 47.852555] ------------[ cut here ]------------ # [ 47.857721] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 47.867063] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_ligh[ 49.351321] lkdtm: Performing direct entry CORRUPT_LIST_ADD tbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_t[ 49.361218] lkdtm: attempting good list addition emp_thermal cros_ec_dev cros_usbpd_notify # [ 47.893510] CPU:[ 49.372587] lkdtm: attempting corrupted list addition [ 49.384427] lkdtm: list_add() corruption not detected! 3 PID: 761 Comm: cat Tainted: G D 5.10.128-cip10 #1 # [ 47.902067] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.908876] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 47.913669] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 47.934656] RSP: 0018:ffffa0d7814d7e60 EFLAGS: 00010202 # [ 47.940492] RAX: ffffffffb50b1af0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 47.948463] RDX[ 49.445663] lkdtm: Performing direct entry CORRUPT_LIST_DEL : 0000000000000000 RSI: ffff93307ad9bf70 RDI: ffffffffb5cd9a80 [ 49.452323] lkdtm: attempting good list removal # [ 47.956437] RBP: ffffffffb60c0177 R08: 0000000000000000 R09[ 49.463617] lkdtm: attempting corrupted list removal : 0000000000000000 # [ 47.964409] R10: 00000000ffffe000 R11: [ 49.475383] lkdtm: list_del() corruption not detected! 3fffffffffffffff R12: 0000000000000008 # [ 47.972385] R13: ffffa0d7814d7f10 R14: ffffa0d7814d7f10 R15: ffff9330055bd000 # [ 47.986575] FS: 00007f6982a83580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 48.001830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.008249] CR2: 00007f698289c000 CR3: 0000000104052003 CR4: 00000000003706e0 # [ 48.016221] Call Trace: # [ 48.018954] direct_entry.cold+0x2c/0x38 # [ 48.023369] full_proxy_write+0x56/0x80 # [ 48.027707] vfs_write+0xea/0x390 # [ 48.031420] ksys_write+0x68/0xe0 # [ 48.041329] do_syscall_64+0x33/0x40 # [ 48.045321] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.050987] RIP: 0033:0x7f69829abf33 # [ 48.054979] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 49.568099] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 49.581346] lkdtm: attempting bad read from page below current stack [ 49.588454] BUG: stack guard page was hit at 00000000cc30a157 (stack is 0000000090b5c366..0000000013ea84ba) [ 49.599344] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 49.606140] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 49.614790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.621597] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.628131] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a 0c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a 0c b6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 49.649116] RSP: 0018:ffffa0d781967e50 EFLAGS: 00010246 [ 49.654950] RAX: 0000000000000038 RBX: ffffa0d781964000 RCX: 0000000000000000 [ 49.662920] RDX: 0000000000000000 RSI: ffff93307ad1bf70 RDI: ffffffffb60c0ab8 [ 49.670890] RBP: ffffffffb60c01e2 R08: 0000000000000000 R09: 0000000000000000 [ 49.678861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 49.686830] R13: ffffa0d781967f10 R14: ffffa0d781967f10 R15: ffff93300395b000 [ 49.694799] FS: 00007fe63ee52580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 49.703839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.710254] CR2: ffffa0d781963fff CR3: 0000000104e6e001 CR4: 00000000003706e0 [ 49.718224] Call Trace: [ 49.720952] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 49.726010] direct_entry.cold+0x2c/0x38 [ 49.730389] full_proxy_write+0x56/0x80 [ 49.734669] vfs_write+0xea/0x390 [ 49.738365] ksys_write+0x68/0xe0 [ 49.742063] do_syscall_64+0x33/0x40 [ 49.746044] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.751684] RIP: 0033:0x7fe63ed7af33 [ 49.755671] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.776655] RSP: 002b:00007ffcef812378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.785110] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe63ed7af33 [ 49.793080] RDX: 0000000000000019 RSI: 00007fe63ec6b000 RDI: 0000000000000001 [ 49.801049] RBP: 00007fe63ec6b000 R08: 00007fe63ec6a010 R09: 0000000000000000 [ 49.809018] R10: 00007fe63ee751c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.816989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.824959] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.075967] RSP: [ 49.851416] ---[ end trace 5750de976dd8ea0a ]--- [ 49.862782] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.867148] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 49.888134] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 49.893968] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.901937] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 49.909907] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 49.917878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.925847] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 49.933817] FS: 00007fe63ee52580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 49.942856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.949272] CR2: ffffa0d781963fff CR3: 0000000104e6e001 CR4: 00000000003706e0 002b:00007fff2206a078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.084425] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f69829abf33 # [ 48.092398] RDX: 0000000000000008 RSI: 00007f698289c000 RDI: 0000000000000001 # [ 48.100372] RBP: 00007f698289c000 R08: 00007f698289b010 R09: 0000000000000000 # [ 48.108345] R10: 00007f6982aa61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.116318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.124294] irq event stamp: 0 # [ 48.127733] hardirqs last enabled at (0): [<00[ 50.011753] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 00000000000000>] 0x0 # [ 48.134737] hardirqs last disabled at[ 50.020331] lkdtm: attempting bad read from page above current stack (0): [] copy_process+0x63c/0x1c80 # [ 48.1[ 50.033652] BUG: stack guard page was hit at 00000000141f7f19 (stack is 000000001d960092..0000000062da8f29) [ 50.050735] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 50.057542] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 50.066184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.072992] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 50.079608] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a 0c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 30 0b 0c b6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 50.100584] RSP: 0018:ffffa0d7819e7e50 EFLAGS: 00010246 [ 50.106419] RAX: 0000000000000038 RBX: ffffa0d7819e4000 RCX: 0000000000000000 [ 50.114389] RDX: 0000000000000000 RSI: ffff93307ac1bf70 RDI: ffffffffb60c0b30 [ 50.122359] RBP: ffffffffb60c01fb R08: 0000000000000000 R09: 0000000000000000 [ 50.130327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.138296] R13: ffffa0d7819e7f10 R14: ffffa0d7819e7f10 R15: ffff93300355d000 [ 50.146265] FS: 00007fb6ffc0e580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 50.155304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.161721] CR2: ffffa0d7819e8000 CR3: 00000001028d4006 CR4: 00000000003706f0 [ 50.169690] Call Trace: [ 50.172417] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.178251] direct_entry.cold+0x2c/0x38 [ 50.182629] full_proxy_write+0x56/0x80 [ 50.186915] vfs_write+0xea/0x390 [ 50.190613] ksys_write+0x68/0xe0 [ 50.194310] do_syscall_64+0x33/0x40 [ 50.198299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.203940] RIP: 0033:0x7fb6ffb36f33 [ 50.207929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.228914] RSP: 002b:00007ffffa9f2ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.237369] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb6ffb36f33 [ 50.245339] RDX: 000000000000001a RSI: 00007fb6ffa27000 RDI: 0000000000000001 [ 50.253309] RBP: 00007fb6ffa27000 R08: 00007fb6ffa26010 R09: 0000000000000000 [ 50.261279] R10: 00007fb6ffc311c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.269247] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.277219] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.303661] ---[ end trace 5750de976dd8ea0b ]--- [ 50.308815] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.313193] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 50.334169] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 50.340002] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.347971] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 50.355941] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 50.363911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.371880] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 50.379851] FS: 00007fb6ffc0e580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 50.388888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.395304] CR2: ffffa0d7819e8000 CR3: 00000001028d4006 CR4: 00000000003706f0 [ 50.403275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.413186] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1086, name: cat [ 50.421642] INFO: lockdep is turned off. [ 50.426017] irq event stamp: 0 [ 50.429423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.436423] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.445550] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.454678] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.461677] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 50.470327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.477130] Call Trace: [ 50.479858] dump_stack+0x77/0x97 [ 50.483556] ___might_sleep.cold+0xa6/0xb6 [ 50.488120] exit_signals+0x1c/0x2d0 [ 50.492110] do_exit+0xd5/0xb00 [ 50.495613] ? ksys_write+0x68/0xe0 [ 50.499507] rewind_stack_do_exit+0x17/0x20 [ 50.504174] RIP: 0033:0x7fb6ffb36f33 [ 50.508162] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.529147] RSP: 002b:00007ffffa9f2ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.537594] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb6ffb36f33 [ 50.545562] RDX: 000000000000001a RSI: 00007fb6ffa27000 RDI: 0000000000000001 [ 50.553533] RBP: 00007fb6ffa27000 R08: 00007fb6ffa26010 R09: 0000000000000000 [ 50.561502] R10: 00007fb6ffc311c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.569472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 43901] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.153039] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.160042] ---[ end trace 5750de976dd8ea07 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.221707] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.233510] ------------[ cut here ]------------ # [ 48.238667] Warning message trigger count: 2 # [ 48.243454] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.259859] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.292505] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 48.301062] Hardware name: Google Rammus/Rammus, BIOS 0[ 50.674451] lkdtm: Performing direct entry UNSET_SMEP [ 50.682538] lkdtm: trying to clear SMEP normally [ 50.687702] ------------[ cut here ]------------ [ 50.692858] pinned CR4 bits changed: 0x100000!? [ 50.697924] WARNING: CPU: 3 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 [ 50.708134] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9/04/2020 # [ 48.307892] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20[ 50.734594] CPU: 3 PID: 1122 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 50.749457] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.756265] RIP: 0010:native_write_cr4+0x41/0x60 [ 50.761420] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc ff b5 c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 50.782407] RSP: 0018:ffffa0d781a87e48 EFLAGS: 00010286 [ 50.788244] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 50.796217] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 50.804189] RBP: ffffffffb60c0215 R08: 0000000000000000 R09: 0000000000000000 [ 50.812161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 50.820131] R13: ffffa0d781a87f10 R14: ffffa0d781a87f10 R15: ffff9330031e6000 [ 50.828094] FS: 00007fe6bf00d580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 50.837133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.843560] CR2: 00007fe6bee26000 CR3: 00000001055b8001 CR4: 00000000003706e0 /0x30 # [ 48.313544] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1[ 50.851540] Call Trace: [ 50.860483] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 50.865374] direct_entry.cold+0x2c/0x38 f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 0c b6 8d 70 01 89 35[ 50.869758] full_proxy_write+0x56/0x80 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 0[ 50.880255] vfs_write+0xea/0x390 0 00 00 66 90 0f 1f 44 00 00 c7 # [ 48.340738] RSP: 0018:ffff[ 50.890169] ksys_write+0x68/0xe0 a0d781587e60 EFLAGS: 00010286 # [ 48.346574] RAX: 00000000000[ 50.900088] do_syscall_64+0x33/0x40 00000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.3545[ 50.910297] entry_SYSCALL_64_after_hwframe+0x44/0xa9 70] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad[ 50.922152] RIP: 0033:0x7fe6bef35f33 [ 50.932359] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.953346] RSP: 002b:00007fff0e9c7f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.961804] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe6bef35f33 [ 50.969767] RDX: 000000000000000b RSI: 00007fe6bee26000 RDI: 0000000000000001 [ 50.977742] RBP: 00007fe6bee26000 R08: 00007fe6bee25010 R09: 0000000000000000 [ 50.985712] R10: 00007fe6bf0301c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.993684] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.001658] irq event stamp: 0 [ 51.005066] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.012069] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.021209] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.030346] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.037347] ---[ end trace 5750de976dd8ea0c ]--- [ 51.042502] lkdtm: ok: SMEP did not get cleared [ 51.047569] lkdtm: trying to clear SMEP with call gadget 1bf70 # [ 48.362541] RBP: ffffffffb60c017f R08: 0000000000000[ 51.053503] lkdtm: ok: SMEP removal was reverted 000 R09: 0000000000000000 # [ 48.370537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.378508] R13: ffffa0d781587f10 R14: ffffa0d781587f10 R15: ffff9330041c6000 # [ 48.386482] FS: 00007ff4e93e3580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 48.395522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.401940] CR2: 00007ff4e91fc000 CR3: 00000001031e6003 CR4: 00000000003706e0 # [ 48.409911] Call Trace: # [ 48.412642] direct_entry.cold+0x2c/0x38 # [ 48.417048] full_proxy_write+0x56/0x80 # [ 48.421360] vfs_write+0xea/0x390 # [ 48.425060] ksys_write+0x68/0[ 51.122116] lkdtm: Performing direct entry DOUBLE_FAULT xe0 # [ 48.428760] do_syscall_64+0x33/0x40 # [ 48.432750][ 51.132908] lkdtm: XFAIL: this test is ia32-only entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.438392] RIP: 0033:0x7ff4e930bf33 # [ 48.442383] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.463369] RSP: 002b:00007ffcab2f7b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.471825] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff4e930bf33 # [ 48.479788] RDX: 0000000000000010 RSI: 00007ff4e91fc000 RDI: 0000000000000001 # [ 48.487758] RBP: 00007ff4e91fc000 R08: 00007ff4e91fb010 R09: 000000000000[ 51.201488] lkdtm: Performing direct entry CORRUPT_PAC 0000 # [ 48.495730] R10: 00007ff4e94061c0 R11: 00000000000002[ 51.212160] lkdtm: XFAIL: this test is arm64-only 46 R12: 0000000000000001 # [ 48.503702] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.511674] irq event stamp: 0 # [ 48.515081] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.522086] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.537438] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.546578] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.559791] ---[ end trace 5750de976dd8ea08 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 48.619213] lkdtm: Performing direct entry EXCEPTION # [ 48.626468] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 48.634251] #PF: supervisor write access in kernel mode # [ 48.640084] #PF: error_code(0x0002) - not-present page # [ 48.645821] PGD 0 P4D 0 # [ 48.648645] Oops: 0002 [#2] SMP PTI # [ 48.652535] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 48.661111] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.667917] RIP: 0010:lkdtm_EXCEPTION[ 51.339969] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE +0x5/0x20 # [ 48.672877] Code: 48 c7 c7 d8 06 0c b6 8d 70 01 [ 51.348901] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 48.693851] RSP: 0018:ffffa0d7815e7e60 EFLAGS: 00010282 # [ 48.699682] RAX: ffffffffb50b1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [ 48.707653] RDX: 0000000000000000 RSI: ffff93307ad1bf70 RDI: ffffffffb5cd9aa0 # [ 48.715623] RBP: ffffffffb5ff5d97 R08: 0000000000000000 R09: 0000000000000000 # [ 48.723608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 48.731582] R13: ffffa0d7815e7f10 R14: ffffa0d7815e7f10 R15: ffff93300287f000 # [ 48.739567] FS: 00007f138e4ee580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 48.748617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.755032] CR2: 0000000000000000 CR3: 00000001035f4006 CR4: 00000000003706e0 # [ 48.763001] Call Trace: # [ 48.765729] direct_entry.cold+0x2c/0x38 # [ 48.770110] full_proxy_write+0x56/0x80 # [ 48.774391] vfs_write+0xea/0x390 # [ 48.778078] ksys_write+0x68/0xe0 # [ 48.781777] do_syscall_64+0x33/0x40 # [ 48.785[ 51.471167] lkdtm: Performing direct entry READ_AFTER_FREE 765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.791405][ 51.480749] lkdtm: Value in memory before free: 12345678 RIP: 0033:0x7f138e416f33 # [ 48.795384] Code: 8b 15 61 ef 0c[ 51.492892] lkdtm: Attempting bad read from freed memory 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 51.505045] lkdtm: Memory was not poisoned 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.816370] RSP: 002b:00007ffe584345e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.824819] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f138e416f33 # [ 48.832789] RDX: 000000000000000a RSI: 00007f138e307000 RDI: 0000000000000001 # [ 48.840759] RBP: 00007f138e307000 R08: 00007f138e306010 R09: 0000000000000000 # [ 48.848728] R10: 00007f138e5111c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.856697] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.864668] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 51.601955] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE fy # [ 48.891118] CR2: 0000000000000000 # [ 48.901028] ---[ 51.609570] lkdtm: Value in memory before free: 12345678 [ end trace 5750de976dd8ea09 ]--- # [ 48.906183] RIP: 0010:lk[ 51.621710] lkdtm: Attempting to read from freed memory dtm_BUG+0x5/0x10 # [ 48.910568] Code: 5b a5 ff 48 c7 c0 ea ff[ 51.633761] lkdtm: Buddy page was not poisoned ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 48.931565] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 48.937400] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.945370] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 48.953340] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.961308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.969276] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff[ 51.704240] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 51.713326] lkdtm: Attempting double slab free ... 933004ff8000 # [ 48.977246] FS: 00007f138e4ee580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 48.986285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.992699] CR2: 0000000000000000 CR3: 00000001035f4006 CR4: 00000000003706e0 # [ 49.000668] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.010580] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat # [ 49.018938] INFO: lockdep is turned off. # [ 49.023314] irq event stamp: 0 # [ 49.026721] hardirqs last enabled[ 51.774453] lkdtm: Performing direct entry SLAB_FREE_CROSS at (0): [<0000000000000000>] 0x0 # [ 49.033724] hardirqs las[ 51.780810] lkdtm: Attempting cross-cache slab free ... t disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.042860] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.051996] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.058996] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 49.067567] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.074373] Call Trace: # [ 49.077100] dump_stack+0x77/0x97 # [ 49.080798] ___might_sleep.cold+0xa6/0xb6 # [ 49.085370] exit_signals+0x1c/0x2d0 # [ 49.089358] do_exit+0xd5/0xb00 # [ 49.092862] ? ksys_write+0x68/0xe0[ 51.851284] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 51.861031] lkdtm: Attempting non-Slab slab free ... # [ 49.096754] rewind_stack_do_exit+0x17/0x20 # [ 49.101413] RIP: 0033:0x7f138e416f33 # [ 49.105400] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.126384] RSP: 002b:00007ffe584345e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.134839] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f138e416f33 # [ 49.142809] RDX: 000000000000000a RSI: 00007f138e307000 RDI: 0000000000000001 # [ 49.150778] RBP: 00007f138e307000 R08: 00007f138e306010 R09: 0000000000000000 # [ 49.158746] R10: 00007f138e5111c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.166714] 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 # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 49.351321] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 49.361218] lkdtm: attempting good list addition # [ 49.372587] lkdtm: attempting corrupted list addition # [ 49.384427] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] [ 52.037846] lkdtm: Performing direct entry EXEC_DATA not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # self[ 52.046204] lkdtm: attempting ok execution at ffffffffb50b1eb0 tests: lkdtm: CORRUPT_LIST_DEL.sh # [ 49.445663] lkdtm: Perfo[ 52.058937] lkdtm: attempting bad execution at ffffffffb77b3560 rming direct entry CORRUPT_LIST_DEL # [ 49.452323] lkdtm: att[ 52.071765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.086339] BUG: unable to handle page fault for address: ffffffffb77b3560 [ 52.094018] #PF: supervisor instruction fetch in kernel mode [ 52.100338] #PF: error_code(0x0011) - permissions violation [ 52.106564] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 8000000134c000e3 empting good list removal # [ 49.463617] lkdtm: attempting co[ 52.114345] Oops: 0011 [#5] SMP PTI [ 52.124451] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 52.133099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.139907] RIP: 0010:data_area+0x0/0x40 rrupted list removal # [ 49.475383] lkdtm: list_del() corrupt[ 52.144286] Code: ff ff 00 ca 37 04 30 93 ff ff 00 c9 37 04 30 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 52.171483] RSP: 0018:ffffa0d782217e48 EFLAGS: 00010246 [ 52.177316] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.185283] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 52.193252] RBP: ffffffffb77b3560 R08: 0000000000000000 R09: 0000000000000000 [ 52.201221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.209189] R13: ffffa0d782217f10 R14: ffffa0d782217f10 R15: ffff933003559000 [ 52.217159] FS: 00007f5a00c1e580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 52.226195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.232610] CR2: ffffffffb77b3560 CR3: 00000001057b2001 CR4: 00000000003706e0 [ 52.240578] Call Trace: [ 52.243307] ? execute_location+0x48/0x56 ion not detected! # CORRUPT_LIST_DEL: missing 'list_del corrupt[ 52.247782] ? direct_entry.cold+0x2c/0x38 [ 52.258570] ? full_proxy_write+0x56/0x80 ion': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 52.263045] ? vfs_write+0xea/0x390 [ 52.273147] ? ksys_write+0x68/0xe0 [ 52.277038] ? do_syscall_64+0x33/0x40 [ 52.281221] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segme[ 52.287056] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.319698] CR2: ffffffffb77b3560 [ 52.323386] ---[ end trace 5750de976dd8ea0d ]--- [ 52.328557] RIP: 0010:lkdtm_BUG+0x5/0x10 ntation fault # [ 49.568099] lkdtm: Performing direct entry S[ 52.332943] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 52.360140] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 52.365973] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.373941] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 52.381910] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 52.389879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.397848] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 52.405818] FS: 00007f5a00c1e580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 52.414847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.421263] CR2: ffffffffb77b3560 CR3: 00000001057b2001 CR4: 00000000003706e0 [ 52.429234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.439137] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 52.447613] INFO: lockdep is turned off. [ 52.451989] irq event stamp: 0 [ 52.455394] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.462396] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.471534] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.480668] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.487665] CPU: 1 PID: 1629 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 52.496315] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.503118] Call Trace: [ 52.505847] dump_stack+0x77/0x97 TACK_GUARD_PAGE_LEADING # [ 49.581346] lkdtm: attempting bad [ 52.509567] ___might_sleep.cold+0xa6/0xb6 [ 52.520352] exit_signals+0x1c/0x2d0 read from page below current stack # [ 49.588454] BUG: stack [ 52.524341] do_exit+0xd5/0xb00 [ 52.534057] ? ksys_write+0x68/0xe0 [ 52.537941] rewind_stack_do_exit+0x17/0x20 [ 52.542612] RIP: 0033:0x7f5a00b46f33 [ 52.546615] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.567613] RSP: 002b:00007ffd089b0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.576067] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a00b46f33 [ 52.584036] RDX: 000000000000000a RSI: 00007f5a00a37000 RDI: 0000000000000001 [ 52.592008] RBP: 00007f5a00a37000 R08: 00007f5a00a36010 R09: 0000000000000000 [ 52.599975] R10: 00007f5a00c411c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.607945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 guard page was hit at 00000000cc30a157 (stack is 0000000090b5c366..0000000013ea84ba) # [ 49.599344] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.606140] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 49.614790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.621597] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.628131] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a 0c b6 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a 0c b6 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 49.649116] RSP: 0018:ffffa0d781967e50 EFLAGS: 00010246 # [ 49.654950] RAX: 0000000000000038 RBX: ffffa0d781964000 RCX: 0000000000000000 # [ 49.662920] RDX: 0000000000000000 RSI: ffff93307ad1bf70 RDI: ffffffffb60c[ 52.691018] lkdtm: Performing direct entry EXEC_STACK 0ab8 # [ 49.670890] RBP: ffffffffb60c01e2 R08: 00000000000000[ 52.702361] lkdtm: attempting ok execution at ffffffffb50b1eb0 00 R09: 0000000000000000 # [ 49.678861] R10: 00000000ffffe000[ 52.715095] lkdtm: attempting bad execution at ffffa0d7822a7e18 R11: 3fffffffffffffff R12: 0000000000000019 # [ 49.686830] R[ 52.727925] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.742494] BUG: unable to handle page fault for address: ffffa0d7822a7e18 [ 52.750173] #PF: supervisor instruction fetch in kernel mode [ 52.756492] #PF: error_code(0x0011) - permissions violation [ 52.762716] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105cf1067 PTE 8000000100b85063 13: ffffa0d781967f10 R14: ffffa0d781967f10 R15: ffff93300395b000[ 52.771757] Oops: 0011 [#6] SMP PTI [ 52.781862] CPU: 1 PID: 1665 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 52.790510] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.797314] RIP: 0010:0xffffa0d7822a7e18 [ 52.801691] Code: 00 00 18 7e 2a 82 d7 a0 ff ff ad 8d 6f b5 ff ff ff ff 20 00 00 00 00 00 00 00 3e 03 0c b6 ff ff ff ff d9 8e 6f b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 52.822660] RSP: 0018:ffffa0d7822a7df8 EFLAGS: 00010246 [ 52.828491] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.836458] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 52.844427] RBP: ffffa0d7822a7e18 R08: 0000000000000000 R09: 0000000000000000 [ 52.852396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.860362] R13: ffffa0d7822a7f10 R14: ffffa0d7822a7f10 R15: ffff933004ea5000 [ 52.868330] FS: 00007f2f3b322580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 52.877366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.883780] CR2: ffffa0d7822a7e18 CR3: 0000000104230001 CR4: 00000000003706e0 [ 52.891747] Call Trace: [ 52.894476] ? execute_location+0x48/0x56 # [ 49.694799] FS: 00007fe63ee52580(0000) GS:ffff93307ad000[ 52.898952] ? lkdtm_EXEC_STACK+0x26/0x40 [ 52.909637] ? direct_entry.cold+0x2c/0x38 [ 52.914209] ? full_proxy_write+0x56/0x80 [ 52.918683] ? vfs_write+0xea/0x390 [ 52.922575] ? ksys_write+0x68/0xe0 [ 52.926467] ? do_syscall_64+0x33/0x40 [ 52.930648] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 00(0000) knlGS:0000000000000000 # [ 49.703839] CS: 0010 DS: [ 52.936482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.969120] CR2: ffffa0d7822a7e18 [ 52.972809] ---[ end trace 5750de976dd8ea0e ]--- [ 52.977956] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.982333] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 53.003313] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 53.009146] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.017114] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 53.025081] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 53.033050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.041019] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 53.048988] FS: 00007f2f3b322580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 53.058024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.064437] CR2: ffffa0d7822a7e18 CR3: 0000000104230001 CR4: 00000000003706e0 0000 ES: 0000 CR0: 0000000080050033 # [ 49.710254] CR2: ffffa0d781963fff CR3: 0000000104e6e001 CR4: 00000000003706e0 # [ 49.718224] Call Trace: # [ 49.720952] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 49.726010] direct_entry.cold+0x2c/0x38 # [ 49.730389] full_proxy_write+0x56/0x80 # [ 49.734669] vfs_write+0xea/0x390 # [ 49.738365] ksys_write+0x68/0xe0 # [ 49.742063] do_syscall_64+0x33/0x40 # [ 49.746044] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.751684] RIP: 0033:0x7fe63ed7af33 # [ 49.755671] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.776655] RSP: 002b[ 53.144239] lkdtm: Performing direct entry EXEC_KMALLOC :00007ffcef812378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 53.152833] lkdtm: attempting ok execution at ffffffffb50b1eb0 [ 49.785110] RAX: ffffffffffffffda RBX: 0000000000000019 RCX:[ 53.165574] lkdtm: attempting bad execution at ffff9330033acf80 00007fe63ed7af33 # [ 49.793080] RDX: 0000000000000019 RSI: 0[ 53.178399] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.192972] BUG: unable to handle page fault for address: ffff9330033acf80 [ 53.200657] #PF: supervisor instruction fetch in kernel mode [ 53.206978] #PF: error_code(0x0011) - permissions violation [ 53.213191] PGD 134e01067 P4D 134e01067 PUD 10004e063 PMD 103303063 PTE 80000001033ac163 0007fe63ec6b000 RDI: 0000000000000001 # [ 49.801049] RBP: 000[ 53.222232] Oops: 0011 [#7] SMP PTI [ 53.232336] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 53.240984] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.247787] RIP: 0010:0xffff9330033acf80 [ 53.252163] Code: 00 00 02 00 00 00 00 00 00 00 20 53 54 05 30 93 ff ff 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d4 f2 e9 b4 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.273134] RSP: 0018:ffffa0d78233fe38 EFLAGS: 00010246 [ 53.278966] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.286934] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 53.294902] RBP: ffff9330033acf80 R08: 0000000000000000 R09: 0000000000000000 [ 53.302869] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.310838] R13: ffffa0d78233ff10 R14: ffffa0d78233ff10 R15: ffff933002a24000 [ 53.318806] FS: 00007f13b2093580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 53.327843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.334256] CR2: ffff9330033acf80 CR3: 0000000100b84005 CR4: 00000000003706e0 [ 53.342224] Call Trace: [ 53.344953] ? execute_location+0x48/0x56 07fe63ec6b000 R08: 00007fe63ec6a010 R09: 0000000000000000 # [ [ 53.349430] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.360306] ? direct_entry.cold+0x2c/0x38 [ 53.364879] ? full_proxy_write+0x56/0x80 [ 53.369351] ? vfs_write+0xea/0x390 [ 53.373240] ? ksys_write+0x68/0xe0 [ 53.377131] ? do_syscall_64+0x33/0x40 [ 53.381313] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 49.809018] R10: 00007fe63ee751c0 R11: 0000000000000246 R12: 000[ 53.387147] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.419781] CR2: ffff9330033acf80 [ 53.423476] ---[ end trace 5750de976dd8ea0f ]--- [ 53.428629] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.433026] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 53.453996] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 53.459828] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.467796] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 53.475763] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 53.483730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.491697] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 53.499664] FS: 00007f13b2093580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 53.508699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.515115] CR2: ffff9330033acf80 CR3: 0000000100b84005 CR4: 00000000003706e0 0000000000001 # [ 49.816989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.824959] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.851416] ---[ end trace 5750de976dd8ea0a ]--- # [ 49.862782] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.867148] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 49.888134] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 49.893968] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 00000000000[ 53.598341] lkdtm: Performing direct entry EXEC_VMALLOC 00000 # [ 49.901937] RDX: 0000000000000000 RSI: ffff93307ac9b[ 53.609749] lkdtm: attempting ok execution at ffffffffb50b1eb0 f70 RDI: ffffffffb5cd9a70 # [ 49.909907] RBP: ffffffffb611b5a[ 53.622496] lkdtm: attempting bad execution at ffffa0d7806d7000 8 R08: 0000000000000001 R09: 0000000000000001 # [ 49.917878] [ 53.635326] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.649861] BUG: unable to handle page fault for address: ffffa0d7806d7000 [ 53.657538] #PF: supervisor instruction fetch in kernel mode [ 53.663878] #PF: error_code(0x0011) - permissions violation [ 53.670100] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104f30067 PTE 8000000103949063 [ 53.679145] Oops: 0011 [#8] SMP PTI [ 53.683037] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 53.691677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.698481] RIP: 0010:0xffffa0d7806d7000 [ 53.702848] Code: Unable to access opcode bytes at RIP 0xffffa0d7806d6fd6. [ 53.710526] RSP: 0018:ffffa0d78238fe38 EFLAGS: 00010246 [ 53.716359] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.724327] RDX: 0000000000000000 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 [ 53.732295] RBP: ffffa0d7806d7000 R08: 0000000000000000 R09: 0000000000000000 [ 53.740262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.748231] R13: ffffa0d78238ff10 R14: ffffa0d78238ff10 R15: ffff933003949000 [ 53.756200] FS: 00007feba9ef3580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 53.765236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.771650] CR2: ffffa0d7806d6fd6 CR3: 00000001031ec005 CR4: 00000000003706f0 [ 53.779619] Call Trace: [ 53.782348] ? execute_location+0x48/0x56 [ 53.786829] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 53.791495] ? direct_entry.cold+0x2c/0x38 [ 53.796065] ? full_proxy_write+0x56/0x80 [ 53.800538] ? vfs_write+0xea/0x390 [ 53.804453] ? ksys_write+0x68/0xe0 [ 53.808344] ? do_syscall_64+0x33/0x40 [ 53.812526] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.818360] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.844799] CR2: ffffa0d7806d7000 [ 53.848495] ---[ end trace 5750de976dd8ea10 ]--- [ 53.853648] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.858014] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 53.878994] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 53.884826] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.892794] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 53.900763] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 53.908732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.916700] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 53.924669] FS: 00007feba9ef3580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 53.933705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.940118] CR2: ffffa0d7806d6fd6 CR3: 00000001031ec005 CR4: 00000000003706f0 [ 53.948087] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.957997] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat [ 53.966451] INFO: lockdep is turned off. [ 53.970827] irq event stamp: 0 [ 53.974230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.981228] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.990363] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.999487] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.006484] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.015132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.021935] Call Trace: [ 54.024655] dump_stack+0x77/0x97 [ 54.028357] ___might_sleep.cold+0xa6/0xb6 [ 54.032921] exit_signals+0x1c/0x2d0 [ 54.036900] do_exit+0xd5/0xb00 [ 54.040394] ? ksys_write+0x68/0xe0 [ 54.044276] rewind_stack_do_exit+0x17/0x20 [ 54.048943] RIP: 0033:0x7feba9e1bf33 [ 54.052929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.073909] RSP: 002b:00007ffeeef569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.082364] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007feba9e1bf33 [ 54.090331] RDX: 000000000000000d RSI: 00007feba9d0c000 RDI: 0000000000000001 [ 54.098299] RBP: 00007feba9d0c000 R08: 00007feba9d0b010 R09: 0000000000000000 [ 54.106268] R10: 00007feba9f161c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.114236] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.925847] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 49.933817] FS: 00007fe63ee52580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 49.942856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.949272] CR2: ffffa0d781963fff CR3: 0000000104e6e001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 50.011753] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.020331] lkdtm: attempting bad read from page above current stack # [ 50.033652] BUG: stack guard page was hit at 00000000141f7f19 (stack is 000000001d960092..0000000062da8f29) # [ 50.050735] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.057542] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 50.066184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.072992] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.079608] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a 0c b6 50[ 54.239309] lkdtm: Performing direct entry EXEC_RODATA 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 [ 54.246072] lkdtm: attempting ok execution at ffffffffb50b1eb0 30 0b 0c b6 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b[ 54.258807] lkdtm: attempting bad execution at ffffffffb5cd9f00 e9 da a3 fd ff # [ 50.100584] RSP: 0018:ffffa0d7819e7e50 EFL[ 54.271637] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.286214] BUG: unable to handle page fault for address: ffffffffb5cd9f00 [ 54.293894] #PF: supervisor instruction fetch in kernel mode [ 54.300218] #PF: error_code(0x0011) - permissions violation [ 54.306439] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 80000001332000e1 AGS: 00010246 # [ 50.106419] RAX: 0000000000000038 RBX: ffffa[ 54.314219] Oops: 0011 [#9] SMP PTI [ 54.324324] CPU: 1 PID: 1773 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.332975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.339781] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 0d7819e4000 RCX: 0000000000000000 # [ 50.114389] RDX: 0000000[ 54.345517] Code: ff ff d9 a2 6f b5 ff ff ff ff 8a 05 0c b6 ff ff ff ff 8f 8a 6f b5 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 54.372713] RSP: 0018:ffffa0d78243fe48 EFLAGS: 00010246 [ 54.378537] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.386530] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 54.394498] RBP: ffffffffb5cd9f00 R08: 0000000000000000 R09: 0000000000000000 [ 54.402466] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.410433] R13: ffffa0d78243ff10 R14: ffffa0d78243ff10 R15: ffff93300361c000 [ 54.418401] FS: 00007f503b67f580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 54.427438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.433852] CR2: ffffffffb5cd9f00 CR3: 00000001031d0005 CR4: 00000000003706e0 [ 54.441821] Call Trace: [ 54.444571] ? execute_location+0x48/0x56 000000000 RSI: ffff93307ac1bf70 RDI: ffffffffb60c0b30 # [ 50.[ 54.449040] ? direct_entry.cold+0x2c/0x38 [ 54.459821] ? full_proxy_write+0x56/0x80 [ 54.464296] ? vfs_write+0xea/0x390 [ 54.468188] ? ksys_write+0x68/0xe0 [ 54.472072] ? do_syscall_64+0x33/0x40 [ 54.476255] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 122359] RBP: ffffffffb60c01fb R08: 0000000000000000 R09: 0000000[ 54.482089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.514725] CR2: ffffffffb5cd9f00 [ 54.518422] ---[ end trace 5750de976dd8ea11 ]--- [ 54.523578] RIP: 0010:lkdtm_BUG+0x5/0x10 000000000 # [ 50.130327] R10: 00000000ffffe000 R11: 3ffffffff[ 54.527954] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 54.555146] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 54.560979] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.568947] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 54.576915] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.584883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.592851] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 54.600819] FS: 00007f503b67f580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 54.609855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.616268] CR2: ffffffffb5cd9f00 CR3: 00000001031d0005 CR4: 00000000003706e0 fffffff R12: 000000000000001a # [ 50.138296] R13: ffffa0d7819e7f10 R14: ffffa0d7819e7f10 R15: ffff93300355d000 # [ 50.146265] FS: 00007fb6ffc0e580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 50.155304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.161721] CR2: ffffa0d7819e8000 CR3: 00000001028d4006 CR4: 00000000003706f0 # [ 50.169690] Call Trace: # [ 50.172417] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 50.178251] direct_entry.cold+0x2c/0x38 # [ 50.182629] full_proxy_write+0x56/0x80 # [ 50.186915] vfs_write+0xea/0x390 # [ 50.190613] ksys_write+0x68/0xe0 # [ 50.194310] do_syscall_64+0x33/0x40 # [ 50.198299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.203940] RIP: 0033:0x7fb6ffb36f33 # [ 50.207929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 [ 54.698860] lkdtm: Performing direct entry EXEC_USERSPACE [ 54.711074] lkdtm: attempting ok execution at ffffffffb50b1eb0 [ 54.717603] lkdtm: attempting bad execution at 00007fbc27753000 [ 54.724231] unable to execute userspace code (SMEP?) (uid: 0) [ 54.730644] BUG: unable to handle page fault for address: 00007fbc27753000 [ 54.738321] #PF: supervisor instruction fetch in kernel mode [ 54.744639] #PF: error_code(0x0011) - permissions violation [ 54.750859] PGD 8000000104db1067 P4D 8000000104db1067 PUD 1040e0067 PMD 104e2d067 PTE 11694a067 [ 54.760581] Oops: 0011 [#10] SMP PTI [ 54.764568] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 54.773218] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.780022] RIP: 0010:0x7fbc27753000 [ 54.784008] Code: Unable to access opcode bytes at RIP 0x7fbc27752fd6. [ 54.791297] RSP: 0018:ffffa0d7824c7e50 EFLAGS: 00010246 [ 54.797130] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 54.805100] RDX: 0000000000000000 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 54.813069] RBP: 00007fbc27753000 R08: 0000000000000000 R09: 0000000000000000 [ 54.821038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 54.829006] R13: ffffa0d7824c7f10 R14: ffffa0d7824c7f10 R15: ffff9330055be000 [ 54.836975] FS: 00007fbc27724580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 54.846011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.852426] CR2: 00007fbc27753000 CR3: 0000000104e4a002 CR4: 00000000003706e0 [ 54.860394] Call Trace: [ 54.863123] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 54.868471] ? direct_entry.cold+0x2c/0x38 [ 54.873043] ? full_proxy_write+0x56/0x80 [ 54.877519] ? vfs_write+0xea/0x390 [ 54.881409] ? ksys_write+0x68/0xe0 [ 54.885299] ? do_syscall_64+0x33/0x40 [ 54.889482] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.895316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 54.921772] CR2: 00007fbc27753000 [ 54.931682] ---[ end trace 5750de976dd8ea12 ]--- [ 54.936835] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.941203] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 54.962184] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 54.968017] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.975986] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 54.983955] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.991924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.999892] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 55.007861] FS: 00007fbc27724580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 55.016898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.023312] CR2: 00007fbc27753000 CR3: 0000000104e4a002 CR4: 00000000003706e0 [ 55.031283] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.041195] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name: cat [ 55.049649] INFO: lockdep is turned off. [ 55.054026] irq event stamp: 0 [ 55.057431] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.064432] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.073568] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.082704] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.089704] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.098344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.105148] Call Trace: [ 55.107876] dump_stack+0x77/0x97 [ 55.111574] ___might_sleep.cold+0xa6/0xb6 [ 55.116145] exit_signals+0x1c/0x2d0 [ 55.120133] do_exit+0xd5/0xb00 [ 55.123626] ? ksys_write+0x68/0xe0 [ 55.127518] rewind_stack_do_exit+0x17/0x20 [ 55.132177] RIP: 0033:0x7fbc2764cf33 [ 55.136156] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.157130] RSP: 002b:00007ffeccf492a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.165584] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbc2764cf33 [ 55.173566] RDX: 000000000000000f RSI: 00007fbc2753d000 RDI: 0000000000000001 [ 55.181534] RBP: 00007fbc2753d000 R08: 00007fbc2753c010 R09: 0000000000000000 [ 55.189503] R10: 00007fbc277471c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.197472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.228914] RSP: 002b:00007ffffa9f2ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.237369] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb6ffb36f33 # [ 50.245339] RDX: 000000000000001a RSI: 00007fb6ffa27000 RDI: 0000000000000001 # [ 50.253309] RBP: 00007fb6ffa27000 R08: 00007fb6ffa26010 R09: 0000000000000000 # [ 50.261279] R10: 00007fb6ffc311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.269247] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.277219] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pk[ 55.286126] lkdtm: Performing direct entry EXEC_NULL g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.303661] -[ 55.291822] lkdtm: attempting ok execution at ffffffffb50b1eb0 --[ end trace 5750de976dd8ea0b ]--- # [ 50.308815] RIP: 0010:[ 55.304556] lkdtm: attempting bad execution at 0000000000000000 lkdtm_BUG+0x5/0x10 # [ 50.313193] Code: 5b a5 ff 48 c7 c0 ea [ 55.317405] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.331376] #PF: supervisor instruction fetch in kernel mode [ 55.337696] #PF: error_code(0x0010) - not-present page [ 55.343432] PGD 0 P4D 0 ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d[ 55.346260] Oops: 0010 [#11] SMP PTI [ 55.356463] CPU: 1 PID: 1845 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.365114] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.371920] RIP: 0010:0x0 [ 55.374841] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.382509] RSP: 0018:ffffa0d78256fe48 EFLAGS: 00010246 [ 55.388343] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.396312] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 55.404280] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.412248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.420216] R13: ffffa0d78256ff10 R14: ffffa0d78256ff10 R15: ffff933003436000 [ 55.428184] FS: 00007fe769004580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 55.437212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.443625] CR2: ffffffffffffffd6 CR3: 000000010394c005 CR4: 00000000003706e0 [ 55.451604] Call Trace: 1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 55.454342] execute_location+0x48/0x56 [ 55.464833] direct_entry.cold+0x2c/0x38 [ 55.469211] full_proxy_write+0x56/0x80 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 50.334169] R[ 55.473494] vfs_write+0xea/0x390 [ 55.483401] ksys_write+0x68/0xe0 [ 55.487098] do_syscall_64+0x33/0x40 [ 55.491077] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.496708] RIP: 0033:0x7fe768f2cf33 [ 55.500687] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.521669] RSP: 002b:00007fff8a37d5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.530125] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe768f2cf33 [ 55.538093] RDX: 000000000000000a RSI: 00007fe768e1d000 RDI: 0000000000000001 [ 55.546061] RBP: 00007fe768e1d000 R08: 00007fe768e1c010 R09: 0000000000000000 [ 55.554029] R10: 00007fe7690271c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.561997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 50.340002] RAX[ 55.569968] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.602602] CR2: 0000000000000000 [ 55.606319] ---[ end trace 5750de976dd8ea13 ]--- [ 55.611474] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.615850] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 55.636829] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 55.642661] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.650628] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 55.658596] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.666585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.674564] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 55.682533] FS: 00007fe769004580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 55.691571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.697986] CR2: ffffffffffffffd6 CR3: 000000010394c005 CR4: 00000000003706e0 : ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.347971] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 50.355941] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 50.363911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.371880] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 50.379851] FS: 00007fb6ffc0e580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 50.388888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.395304] CR2: ffffa0d7819e8000 CR3: 00000001028d4006 CR4: 00000000003706f0 # [ 50.403275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.413186] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1086, nam[ 55.782751] lkdtm: Performing direct entry ACCESS_USERSPACE e: cat # [ 50.421642] INFO: lockdep is turned off. # [ 50.[ 55.792997] lkdtm: attempting bad read at 00007f3cd4ef7000 426017] irq event stamp: 0 # [ 50.429423] hardirqs last enab[ 55.805349] BUG: unable to handle page fault for address: 00007f3cd4ef7000 [ 55.819217] #PF: supervisor read access in kernel mode [ 55.824954] #PF: error_code(0x0001) - permissions violation le[d at (0): [<0000000000000000>] 0x0 # [ 50.436423] hardirqs 55.831175] PGD 8000000105699067 P4D 8000000105699067 PUD 10423b067 PMD 104084067 PTE 114ac3067 [ 55.847113] Oops: 0001 [#12] SMP PTI [ 55.851100] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 55.859746] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.866566] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f last disabled at (0): [] copy_process+0x63c/0x[ 55.872778] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 0c b6 e8 73 9d fd ff 48 c7 c7 d0 12 0c b6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 0c [ 55.899971] RSP: 0018:ffffa0d7825b7e48 EFLAGS: 00010246 [ 55.905805] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 55.913774] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb60c12d0 [ 55.921743] RBP: 00007f3cd4ef7000 R08: 0000000000000000 R09: 0000000000000000 [ 55.929714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 55.937681] R13: ffffa0d7825b7f10 R14: ffffa0d7825b7f10 R15: ffff9330055d2000 [ 55.945652] FS: 00007f3cd4ec8580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 55.954689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.961103] CR2: 00007f3cd4ef7000 CR3: 0000000103552003 CR4: 00000000003706e0 [ 55.969071] Call Trace: [ 55.971800] direct_entry.cold+0x2c/0x38 1c80 # [ 50.445550] softirqs last enabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.028640] RSP: 002b:00007ffd8fcbbfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.037087] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3cd4df0f33 [ 56.045055] RDX: 0000000000000011 RSI: 00007f3cd4ce1000 RDI: 0000000000000001 [ 56.053024] RBP: 00007f3cd4ce1000 R08: 00007f3cd4ce0010 R09: 0000000000000000 [ 56.060993] R10: 00007f3cd4eeb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.068960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b48f9f9c>] copy_process+0x63c/0x1c80 # [ 50.454678] softirqs [ 56.076932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.109570] CR2: 00007f3cd4ef7000 [ 56.113267] ---[ end trace 5750de976dd8ea14 ]--- [ 56.118413] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.122789] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 56.143771] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 56.149616] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.157583] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 56.165563] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.173532] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.181499] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 56.189467] FS: 00007f3cd4ec8580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 56.198503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.204917] CR2: 00007f3cd4ef7000 CR3: 0000000103552003 CR4: 00000000003706e0 [ 56.212884] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.222796] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat [ 56.231248] INFO: lockdep is turned off. [ 56.235621] irq event stamp: 0 [ 56.239026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.246027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.255163] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.264296] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.271295] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.279944] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.286747] Call Trace: [ 56.289473] dump_stack+0x77/0x97 [ 56.293172] ___might_sleep.cold+0xa6/0xb6 [ 56.297742] exit_signals+0x1c/0x2d0 [ 56.301731] do_exit+0xd5/0xb00 [ 56.305225] ? ksys_write+0x68/0xe0 [ 56.309118] rewind_stack_do_exit+0x17/0x20 [ 56.313785] RIP: 0033:0x7f3cd4df0f33 [ 56.317771] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.338749] RSP: 002b:00007ffd8fcbbfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.347203] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3cd4df0f33 [ 56.355171] RDX: 0000000000000011 RSI: 00007f3cd4ce1000 RDI: 0000000000000001 [ 56.363139] RBP: 00007f3cd4ce1000 R08: 00007f3cd4ce0010 R09: 0000000000000000 [ 56.371106] R10: 00007f3cd4eeb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.379074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 last disabled at (0): [<0000000000000000>] 0x0 # [ 50.461677] CPU: 0 PID: 1086 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 50.470327] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.477130] Call Trace: # [ 50.479858] dump_stack+0x77/0x97 # [ 50.483556] ___might_sleep.cold+0xa6/0xb6 # [ 50.488120] exit_signals+0x1c/0x2d0 # [ 50.492110] do_exit+0xd5/0xb00 # [ 50.495613] ? ksys_write+0x68/0xe0 # [ 50.499507] rewind_stack_do_exit+0x17/0x20 # [ 50.504174] RIP: 0033:0x7fb6ffb36f33 # [ 50.508162] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.529147] RSP: 002b:00007ffffa9f2ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.537594] RAX: ffffffffffffffda RBX:[ 56.471767] lkdtm: Performing direct entry ACCESS_NULL 000000000000001a RCX: 00007fb6ffb36f33 # [ 50.545562] RDX: 0[ 56.479817] lkdtm: attempting bad read at 0000000000000000 00000000000001a RSI: 00007fb6ffa27000 RDI: 0000000000000001 # [[ 56.492174] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.506152] #PF: supervisor read access in kernel mode [ 56.511889] #PF: error_code(0x0000) - not-present page [ 56.517625] PGD 0 P4D 0 [ 56.520453] Oops: 0000 [#13] SMP PTI 50.553533] RBP: 00007fb6ffa27000 R08: 00007fb6ffa26010 R09: 0[ 56.524442] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 56.539301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.546111] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 000000000000000 # [ 50.561502] R10: 00007fb6ffc311c0 R11: 000[ 56.551362] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 12 0c b6 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 0c b6 48 01 [ 56.578566] RSP: 0018:ffffa0d7826b7e58 EFLAGS: 00010246 [ 56.584398] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 56.592367] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 [ 56.600335] RBP: ffffffffb60c0399 R08: 0000000000000000 R09: 0000000000000000 [ 56.608303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.616270] R13: ffffa0d7826b7f10 R14: ffffa0d7826b7f10 R15: ffff933004209000 [ 56.624239] FS: 00007fefad323580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 56.633275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.639688] CR2: 0000000000000000 CR3: 00000001035ec004 CR4: 00000000003706e0 [ 56.647656] Call Trace: [ 56.650383] direct_entry.cold+0x2c/0x38 0000000000246 R12: 0000000000000001 # [ 50.569472] R13: 00000[ 56.654762] full_proxy_write+0x56/0x80 [ 56.665252] vfs_write+0xea/0x390 [ 56.668949] ksys_write+0x68/0xe0 [ 56.672638] do_syscall_64+0x33/0x40 [ 56.676625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.682264] RIP: 0033:0x7fefad24bf33 [ 56.686241] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.707220] RSP: 002b:00007ffd5956e798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.715673] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fefad24bf33 [ 56.723641] RDX: 000000000000000c RSI: 00007fefad13c000 RDI: 0000000000000001 [ 56.731619] RBP: 00007fefad13c000 R08: 00007fefad13b010 R09: 0000000000000000 [ 56.739586] R10: 00007fefad3461c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.747566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK[ 56.755535] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.788168] CR2: 0000000000000000 [ 56.791864] ---[ end trace 5750de976dd8ea15 ]--- [ 56.797010] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.801386] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 56.822357] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 56.828188] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.836156] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 56.844122] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.852090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.860058] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 56.868026] FS: 00007fefad323580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 56.877055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.883469] CR2: 0000000000000000 CR3: 00000001035ec004 CR4: 00000000003706e0 _GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 50.674451] lkdtm: Performing direct entry UNSET_SMEP # [ 50.682538] lkdtm: trying to clear SMEP normally # [ 50.687702] ------------[ cut here ]------------ # [ 50.692858] pinned CR4 bits changed: 0x100000!? # [ 50.697924] WARNING: CPU: 3 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 50.708134] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.734594] CPU: 3 PID: 1122 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 50.749457] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.756265] RIP: 0010:native_write_cr4+0x41/0x60 # [ 50.761420] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80[ 56.986277] lkdtm: Performing direct entry WRITE_RO 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc ff b5 c6 05 cc d8 c3 01 [ 56.996363] lkdtm: attempting bad rodata write at ffffffffb5cd9ef0 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31[ 57.009484] BUG: unable to handle page fault for address: ffffffffb5cd9ef0 [ 57.023367] #PF: supervisor write access in kernel mode [ 57.029212] #PF: error_code(0x0003) - permissions violation [ 57.035434] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 80000001332000e1 c6 48 09 c7 eb ac 66 # [ 50.782407] RSP: 0018:ffffa0d781a87e[ 57.043214] Oops: 0003 [#14] SMP PTI [ 57.053416] CPU: 1 PID: 1950 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 57.062064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.068868] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 48 EFLAGS: 00010286 # [ 50.788244] RAX: 0000000000000000 RBX:[ 57.073829] Code: 00 48 c7 c7 88 11 0c b6 48 c7 c6 f0 9e cd b5 e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8 11 0c b6 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 [ 57.101022] RSP: 0018:ffffa0d782757e60 EFLAGS: 00010202 [ 57.106856] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.114824] RDX: 00000000abcd1234 RSI: ffff93307ac9bf70 RDI: ffffffffb60c11b8 [ 57.122792] RBP: ffffffffb60c03a5 R08: 0000000000000000 R09: 0000000000000000 [ 57.130760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.138729] R13: ffffa0d782757f10 R14: ffffa0d782757f10 R15: ffff9330055d9000 [ 57.146697] FS: 00007fa7455db580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 57.155731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.162145] CR2: ffffffffb5cd9ef0 CR3: 000000010324a001 CR4: 00000000003706e0 [ 57.170112] Call Trace: [ 57.172837] direct_entry.cold+0x2c/0x38 [ 57.177206] full_proxy_write+0x56/0x80 00000000002706e0 RCX: 0000000000000000 # [ 50.796217] RDX: f[ 57.181488] vfs_write+0xea/0x390 [ 57.191398] ksys_write+0x68/0xe0 [ 57.195095] do_syscall_64+0x33/0x40 [ 57.199082] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.204720] RIP: 0033:0x7fa745503f33 [ 57.208706] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.229686] RSP: 002b:00007fff0f9ee108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.238140] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa745503f33 [ 57.246108] RDX: 0000000000000009 RSI: 00007fa7453f4000 RDI: 0000000000000001 [ 57.254075] RBP: 00007fa7453f4000 R08: 00007fa7453f3010 R09: 0000000000000000 [ 57.262041] R10: 00007fa7455fe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.270006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [[ 57.277976] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.310620] CR2: ffffffffb5cd9ef0 [ 57.314315] ---[ end trace 5750de976dd8ea16 ]--- [ 57.319468] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.323843] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 57.344822] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 57.350653] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.358622] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 57.366588] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 57.374568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.382554] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 50.804189] RBP: ffffffffb60c0215 R08: 0000000000000000 R09: 0[ 57.390532] FS: 00007fa7455db580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 57.405780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.412193] CR2: ffffffffb5cd9ef0 CR3: 000000010324a001 CR4: 00000000003706e0 [ 57.420163] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.430074] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950, name: cat [ 57.438526] INFO: lockdep is turned off. [ 57.442901] irq event stamp: 0 [ 57.446306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.453306] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.462438] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 57.471572] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.478569] CPU: 1 PID: 1950 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 57.487215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.494018] Call Trace: [ 57.496744] dump_stack+0x77/0x97 [ 57.500442] ___might_sleep.cold+0xa6/0xb6 [ 57.505012] exit_signals+0x1c/0x2d0 [ 57.508999] do_exit+0xd5/0xb00 [ 57.512501] ? ksys_write+0x68/0xe0 [ 57.516385] rewind_stack_do_exit+0x17/0x20 [ 57.521050] RIP: 0033:0x7fa745503f33 [ 57.525037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.546016] RSP: 002b:00007fff0f9ee108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.554470] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa745503f33 [ 57.562437] RDX: 0000000000000009 RSI: 00007fa7453f4000 RDI: 0000000000000001 [ 57.570407] RBP: 00007fa7453f4000 R08: 00007fa7453f3010 R09: 0000000000000000 [ 57.578373] R10: 00007fa7455fe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.586343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 50.812161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.820131] R13: ffffa0d781a87f10 R14: ffffa0d781a87f10 R15: ffff9330031e6000 # [ 50.828094] FS: 00007fe6bf00d580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 50.837133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.843560] CR2: 00007fe6bee26000 CR3: 00000001055b8001 CR4: 00000000003706e0 # [ 50.851540] Call Trace: # [ 50.860483] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.865374] direct_entry.cold+0x2c/0x38 # [ 50.869758] full_proxy_write+0x56/0x80 # [ 50.880255] vfs_write+0xea/0x390 # [ 50.890169] ksys_write+0x68/0xe0 # [ 50.900088] do_syscall_64+0x33/0x40 # [ 50.910297] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.922152] RIP: 0033:0x7fe6bef35f33 # [ 50.932359] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 57.677420] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 57.687854] lkdtm: attempting bad ro_after_init write at ffffffffb613c328 [ 57.695455] BUG: unable to handle page fault for address: ffffffffb613c328 [ 57.703140] #PF: supervisor write access in kernel mode [ 57.708973] #PF: error_code(0x0003) - permissions violation [ 57.715194] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 100052063 PTE 800000013373c061 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 57.724234] Oops: 0003 [#15] SMP PTI [ 57.734435] CPU: 2 PID: 1985 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 57.743086] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.749894] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 57.755921] Code: 11 0c b6 e9 45 9f fd ff 48 c7 c7 10 12 0c b6 e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 0c b6 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 57.783117] RSP: 0018:ffffa0d7827bfe60 EFLAGS: 00010202 [ 57.788951] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 57.796920] RDX: 00000000abcd1234 RSI: ffff93307ad1bf70 RDI: ffffffffb60c11b8 [ 57.804891] RBP: ffffffffb60c03ae R08: 0000000000000000 R09: 0000000000000000 [ 57.812857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 57.820824] R13: ffffa0d7827bff10 R14: ffffa0d7827bff10 R15: ffff933003553000 [ 57.828793] FS: 00007fc2c4a4a580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 57.837828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.844242] CR2: ffffffffb613c328 CR3: 000000010542e003 CR4: 00000000003706e0 [ 57.852210] Call Trace: [ 57.854936] direct_entry.cold+0x2c/0x38 [ 57.859316] full_proxy_write+0x56/0x80 [ 57.863612] vfs_write+0xea/0x390 [ 57.867308] ksys_write+0x68/0xe0 [ 57.871005] do_syscall_64+0x33/0x40 [ 57.874985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.880618] RIP: 0033:0x7fc2c4972f33 [ 57.884609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.905610] RSP: 002b:00007ffca8819dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.914064] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc2c4972f33 [ 57.922034] RDX: 0000000000000014 RSI: 00007fc2c4863000 RDI: 0000000000000001 [ 57.930003] RBP: 00007fc2c4863000 R08: 00007fc2c4862010 R09: 0000000000000000 [ 57.937971] R10: 00007fc2c4a6d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.945937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.953908] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 83 ec 28 48 89 54 24 18 # [ 50.953346] RSP: 002b:00007fff0e[ 57.980359] CR2: ffffffffb613c328 [ 57.990269] ---[ end trace 5750de976dd8ea17 ]--- [ 57.995412] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.999780] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 58.020752] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 58.026588] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.034565] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 58.042532] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.050499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.058467] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 58.066434] FS: 00007fc2c4a4a580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 58.075470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.081885] CR2: ffffffffb613c328 CR3: 000000010542e003 CR4: 00000000003706e0 9c7f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.961804] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe6bef35f33 # [ 50.969767] RDX: 000000000000000b RSI: 00007fe6bee26000 RDI: 0000000000000001 # [ 50.977742] RBP: 00007fe6bee26000 R08: 00007fe6bee25010 R09: 0000000000000000 # [ 50.985712] R10: 00007fe6bf0301c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.993684] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.001658] irq event stamp: 0 # [ 51.005066] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.012069] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.021209] softirqs last enabled at (0): [] copy_process+0x63c/0[ 58.158899] lkdtm: Performing direct entry WRITE_KERN x1c80 # [ 51.030346] softirqs last disabled at (0): [<0000000[ 58.170138] lkdtm: attempting bad 6581924 byte write at ffffffffb56f8d54 000000000>] 0x0 # [ 51.037347] ---[ end trace 5750de976dd8ea0[ 58.183863] BUG: unable to handle page fault for address: ffffffffb56f8d54 [ 58.197718] #PF: supervisor write access in kernel mode [ 58.203551] #PF: error_code(0x0003) - permissions violation [ 58.209773] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 132c000e1 [ 58.216872] Oops: 0003 [#16] SMP PTI [ 58.220860] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.229499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.236308] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 58.241458] Code: 53 48 c7 c3 54 8d 6f b5 49 89 dc 48 89 da 49 81 ec b0 1e 0b b5 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 0b b5 a4 48 c7 c7 b8 11 0c b6 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 58.262441] RSP: 0018:ffffa0d78285fe50 EFLAGS: 00010246 [ 58.268274] RAX: 000000000000003c RBX: ffffffffb56f8d54 RCX: 0000000000646ea4 [ 58.276243] RDX: 0000000000000000 RSI: ffffffffb50b1eb0 RDI: ffffffffb56f8d54 [ 58.284212] RBP: ffffffffb60c03c2 R08: 0000000000000000 R09: 0000000000000000 [ 58.292181] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646ea4 [ 58.300149] R13: ffffa0d78285ff10 R14: ffffa0d78285ff10 R15: ffff93300361d000 [ 58.308121] FS: 00007efda998a580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 58.317150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.323565] CR2: ffffffffb56f8d54 CR3: 0000000103182001 CR4: 00000000003706f0 [ 58.331535] Call Trace: [ 58.334265] direct_entry.cold+0x2c/0x38 [ 58.338650] full_proxy_write+0x56/0x80 [ 58.342936] vfs_write+0xea/0x390 [ 58.346634] ksys_write+0x68/0xe0 [ 58.350332] do_syscall_64+0x33/0x40 [ 58.354312] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.359952] RIP: 0033:0x7efda98b2f33 [ 58.363930] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.384913] RSP: 002b:00007ffd54c86ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.393369] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efda98b2f33 [ 58.401337] RDX: 000000000000000b RSI: 00007efda97a3000 RDI: 0000000000000001 [ 58.409306] RBP: 00007efda97a3000 R08: 00007efda97a2010 R09: 0000000000000000 [ 58.417273] R10: 00007efda99ad1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.425241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.433214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.459652] CR2: ffffffffb56f8d54 [ 58.463349] ---[ end trace 5750de976dd8ea18 ]--- [ 58.468502] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.472877] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 58.493859] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 [ 58.499691] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.507659] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 [ 58.515628] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.523599] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.531569] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 [ 58.539538] FS: 00007efda998a580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 [ 58.548567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.554982] CR2: ffffffffb56f8d54 CR3: 0000000103182001 CR4: 00000000003706f0 [ 58.562953] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.572865] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2020, name: cat [ 58.581319] INFO: lockdep is turned off. [ 58.585694] irq event stamp: 0 [ 58.589098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.596099] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.605233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.614368] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.621367] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 58.630006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.636810] Call Trace: [ 58.639539] dump_stack+0x77/0x97 [ 58.643237] ___might_sleep.cold+0xa6/0xb6 [ 58.647808] exit_signals+0x1c/0x2d0 [ 58.651789] do_exit+0xd5/0xb00 [ 58.655284] ? ksys_write+0x68/0xe0 [ 58.659174] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 58.664611] rewind_stack_do_exit+0x17/0x20 [ 58.669271] RIP: 0033:0x7efda98b2f33 [ 58.673249] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.694233] RSP: 002b:00007ffd54c86ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.702680] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efda98b2f33 [ 58.710648] RDX: 000000000000000b RSI: 00007efda97a3000 RDI: 0000000000000001 [ 58.718616] RBP: 00007efda97a3000 R08: 00007efda97a2010 R09: 0000000000000000 [ 58.726585] R10: 00007efda99ad1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.734553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c ]--- # [ 51.042502] lkdtm: ok: SMEP did not get cleared # [ 51.047569] lkdtm: trying to clear SMEP with call gadget # [ 51.053503] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 51.122116] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.132908] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 51.201488] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.212160] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 51.339969] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.348901] 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 m[ 58.850991] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW emory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.s[ 58.861238] lkdtm: attempting good refcount_inc() without overflow h # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WR[ 58.874360] lkdtm: attempting bad refcount_inc() overflow [ 58.886615] ------------[ cut here ]------------ ITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkd[ 58.891771] refcount_t: saturated; leaking memory. tm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_F[ 58.903363] WARNING: CPU: 1 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 REE.sh # [ 51.471167] lkdtm: Performing direct entry READ_AFT[ 58.918875] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.951512] CPU: 1 PID: 2055 Comm: cat Tainted: G D W 5.10.128-cip10 #1 ER_FREE # [ 51.480749] lkdtm: Value in memory before free: 12[ 58.960164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 345678 # [ 51.492892] lkdtm: Attempting bad read from freed m[ 58.973181] RIP: 0010:refcount_warn_saturate+0x49/0xf0 emory # [ 51.505045] lkdtm: Memory was not poisoned # READ_A[ 58.985134] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a [ 59.012331] RSP: 0018:ffffa0d782907e48 EFLAGS: 00010286 FTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: l[ 59.018168] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 59.032348] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 kdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUD[ 59.040324] RBP: ffffffffb60c03cd R08: 0000000000000000 R09: 0000000000000000 DY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts me[ 59.054513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 59.068699] R13: ffffa0d782907f10 R14: ffffa0d782907f10 R15: ffff933003315000 mory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.[ 59.076672] FS: 00007f5aca4eb580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 5[ 59.091924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1.601955] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 59.104573] CR2: 00007f5aca304000 CR3: 00000001033fc001 CR4: 00000000003706e0 # [ 51.609570] lkdtm: Value in memory before free: 12345678 #[ 59.118755] Call Trace: [ 51.621710] lkdtm: Attempting to read from freed memory # [[ 59.127704] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 51.633761] lkdtm: Buddy page was not poisoned # READ_BUDDY_A[ 59.139275] direct_entry.cold+0x2c/0x38 FTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: l[ 59.149867] full_proxy_write+0x56/0x80 kdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLA[ 59.160359] vfs_write+0xea/0x390 B_FREE_DOUBLE.sh # [ 51.704240] lkdtm: Performing direct entr[ 59.170272] ksys_write+0x68/0xe0 y SLAB_FREE_DOUBLE # [ 51.713326] lkdtm: Attempting double sl[ 59.180186] do_syscall_64+0x33/0x40 ab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] [ 59.190391] entry_SYSCALL_64_after_hwframe+0x44/0xa9 not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # self[ 59.202247] RIP: 0033:0x7f5aca413f33 tests: lkdtm: SLAB_FREE_CROSS.sh # [ 51.774453] lkdtm: Perfor[ 59.212451] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ming direct entry SLAB_FREE_CROSS # [ 51.780810] lkdtm: Attem[ 59.239648] RSP: 002b:00007ffe8c6b79f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 pting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'cal[ 59.254318] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5aca413f33 l trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.s[ 59.268503] RDX: 0000000000000016 RSI: 00007f5aca304000 RDI: 0000000000000001 h # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 51.8512[ 59.282690] RBP: 00007f5aca304000 R08: 00007f5aca303010 R09: 0000000000000000 84] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.8610[ 59.296876] R10: 00007f5aca50e1c0 R11: 0000000000000246 R12: 0000000000000001 31] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: [ 59.311062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_[ 59.325252] irq event stamp: 0 FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skip[ 59.334871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTL[ 59.348089] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 OCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping H[ 59.363442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.[ 59.378793] softirqs last disabled at (0): [<0000000000000000>] 0x0 sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOC[ 59.392006] ---[ end trace 5750de976dd8ea19 ]--- KUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # S[ 59.403377] lkdtm: Overflow detected: saturated KIP # 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 # [ 52.037846] lkdtm: Performing direct entry EXEC_DATA # [ 52.046204] lkdtm: attempting ok execution at ffffffffb50b1eb0 # [ 52.058937] lkdtm: attempting bad execution at ffffffffb77b3560 # [ 52.071765] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.086339] BUG: unable to handle page fault for address: ffffffffb77b3560 # [ 52.094018] #PF: supervisor instruction fetch in kernel mode # [ 52.100338] #PF: error_code(0x0011) - permissions violation # [ 52.106564] PGD 133829067 P4D 1[ 59.481922] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 33829067 PUD 13382a063 PMD 8000000134c000e3 # [ 52.114345] O[ 59.489758] lkdtm: attempting good refcount_add() without overflow ops: 0011 [#5] SMP PTI # [ 52.124451] CPU: 1 PID: 1629 Comm: [ 59.502887] lkdtm: attempting bad refcount_add() overflow cat Tainted: G D W 5.10.128-cip10 #1 # [ 52.1330[ 59.515120] ------------[ cut here ]------------ [ 59.526490] refcount_t: saturated; leaking memory. 99] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 59.531870] WARNING: CPU: 1 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 52.139907] RIP: 0010:data_area+0x0/0x40 # [ 52.144286] Code:[ 59.547383] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.580045] CPU: 1 PID: 2087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 ff ff 00 ca 37 04 30 93 ff ff 00 c9 37 04 30 93 ff ff 00 00 00 [ 59.588721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <[ 59.601741] RIP: 0010:refcount_warn_saturate+0x49/0xf0 0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 [ 59.613693] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a 55 # [ 52.171483] RSP: 0018:ffffa0d782217e48 EFLAGS: 00010246[ 59.640886] RSP: 0018:ffffa0d782967e48 EFLAGS: 00010286 # [ 52.177316] RAX: 0000000000000033 RBX: 0000000000000001 R[ 59.652940] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 CX: 0000000000000000 # [ 52.185283] RDX: 0000000000000000 RSI[ 59.667127] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 : ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 52.193252] RBP: [ 59.681314] RBP: ffffffffb60c03e3 R08: 0000000000000000 R09: 0000000000000000 [ 59.695498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffffffffb77b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 59.703471] R13: ffffa0d782967f10 R14: ffffa0d782967f10 R15: ffff933003737000 [ 59.717651] FS: 00007fdcd6a8f580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 52.201221] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 59.726693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.739320] CR2: 00007fdcd68a8000 CR3: 00000001034ac002 CR4: 00000000003706e0 000000000000000a # [ 52.209189] R13: ffffa0d782217f10 R14: ff[ 59.747295] Call Trace: ffa0d782217f10 R15: ffff933003559000 # [ 52.217159] FS: 0000[ 59.756237] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 59.756241] direct_entry.cold+0x2c/0x38 7f5a00c1e580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000[ 59.756246] full_proxy_write+0x56/0x80 000 # [ 52.226195] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 59.782673] vfs_write+0xea/0x390 0050033 # [ 52.232610] CR2: ffffffffb77b3560 CR3: 00000001057[ 59.792586] ksys_write+0x68/0xe0 b2001 CR4: 00000000003706e0 # [ 52.240578] Call Trace: # [ [ 59.802501] do_syscall_64+0x33/0x40 52.243307] ? execute_location+0x48/0x56 # [ 52.247782] ? d[ 59.812706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 irect_entry.cold+0x2c/0x38 # [ 52.258570] ? full_proxy_write[ 59.824562] RIP: 0033:0x7fdcd69b7f33 +0x56/0x80 # [ 52.263045] ? vfs_write+0xea/0x390 # [ 52.2[ 59.834764] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 73147] ? ksys_write+0x68/0xe0 # [ 52.277038] ? do_syscall_6[ 59.861960] RSP: 002b:00007ffcc61dde38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4+0x33/0x40 # [ 52.281221] ? entry_SYSCALL_64_after_hwframe+[ 59.876633] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdcd69b7f33 0x44/0xa9 # [ 52.287056] Modules linked in: fuse ip_tables cr[ 59.890822] RDX: 0000000000000016 RSI: 00007fdcd68a8000 RDI: 0000000000000001 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 59.905006] RBP: 00007fdcd68a8000 R08: 00007fdcd68a7010 R09: 0000000000000000 kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_d[ 59.919192] R10: 00007fdcd6ab21c0 R11: 0000000000000246 R12: 0000000000000001 ebugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cr[ 59.933384] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 os_ec_dev cros_usbpd_notify # [ 52.319698] CR2: ffffffffb77b3[ 59.947573] irq event stamp: 0 560 # [ 52.323386] ---[ end trace 5750de976dd8ea0d ]--- # [ [ 59.957196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 52.328557] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.332943] Code[ 59.970412] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 : 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48[ 59.985770] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 [ 60.001117] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.014329] ---[ end trace 5750de976dd8ea1a ]--- <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70[ 60.019487] lkdtm: Overflow detected: saturated 02 # [ 52.360140] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 52.365973] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.373941] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 52.381910] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.389879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.397848] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 52.405818] FS: 00007f5a00c1e580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 52.414847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.421263] CR2: ffffffffb77b3560 CR3: 00000001057b2001 CR4: 00000000003706e0 # [ 52.429234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.439137] in_atomic(): 0, irqs_disabled(): 1, non_b[ 60.114315] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW lock: 0, pid: 1629, name: cat # [ 52.447613] INFO: lockdep is[ 60.125366] lkdtm: attempting bad refcount_inc_not_zero() overflow turned off. # [ 52.451989] irq event stamp: 0 # [ 52.4553[ 60.138489] ------------[ cut here ]------------ 94] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 60.149856] refcount_t: saturated; leaking memory. 52.462396] hardirqs last disabled at (0): [[ 60.161435] WARNING: CPU: 1 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ] copy_process+0x63c/0x1c80 # [ 52.471534] softirqs last ena[ 60.176971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.209630] CPU: 1 PID: 2119 Comm: cat Tainted: G D W 5.10.128-cip10 #1 bled at (0): [] copy_process+0x63c/0x1c80 # [[ 60.218304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 52.480668] softirqs last disabled at (0): [<0000000000000000>[ 60.231325] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ] 0x0 # [ 52.487665] CPU: 1 PID: 1629 Comm: cat Tainted: G [ 60.243277] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb [ 60.270469] RSP: 0018:ffffa0d782a1fe38 EFLAGS: 00010282 D W 5.10.128-cip10 #1 # [ 52.496315] Hardware name[ 60.276307] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.503118] Call [ 60.290511] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 Trace: # [ 52.505847] dump_stack+0x77/0x97 # [ 52.509567][ 60.304676] RBP: ffffffffb60c0020 R08: 0000000000000000 R09: 0000000000000000 [ 60.318859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 60.326830] R13: ffffa0d782a1ff10 R14: ffffa0d782a1ff10 R15: ffff933004f0c000 [ 60.334800] FS: 00007fecaeb03580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 [ 60.343838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.350256] CR2: 00007fecae91c000 CR3: 000000010367a004 CR4: 00000000003706e0 [ 60.358227] Call Trace: ___might_sleep.cold+0xa6/0xb6 # [ 52.520352] exit_signals+[ 60.360957] __refcount_add_not_zero.constprop.0+0x2a/0x31 0x1c/0x2d0 # [ 52.524341] do_exit+0xd5/0xb00 # [ 52.53405[ 60.373298] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 60.385735] direct_entry.cold+0x2c/0x38 7] ? ksys_write+0x68/0xe0 # [ 52.537941] rewind_stack_do_ex[ 60.390116] full_proxy_write+0x56/0x80 [ 60.400618] vfs_write+0xea/0x390 it+0x17/0x20 # [ 52.542612] RIP: 0033:0x7f5a00b46f33 # [ 5[ 60.404312] ksys_write+0x68/0xe0 [ 60.414219] do_syscall_64+0x33/0x40 2.546615] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 60.418235] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.430083] RIP: 0033:0x7fecaea2bf33 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 60.434076] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.461265] RSP: 002b:00007ffff27ebe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 60.469725] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fecaea2bf33 [ 60.483905] RDX: 000000000000001f RSI: 00007fecae91c000 RDI: 0000000000000001 28 48 89 54 24 18 # [ 52.567613] RSP: 002b:00007ffd089b0c78 E[ 60.491879] RBP: 00007fecae91c000 R08: 00007fecae91b010 R09: 0000000000000000 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.576067] RAX[ 60.506067] R10: 00007fecaeb261c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.520253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a00b46f33 [ 60.528229] irq event stamp: 0 [ 60.537841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.584036] RDX: 000000000000000a RSI: 00007f5a00a37000 RDI[ 60.544846] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.560192] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 : 0000000000000001 # [ 52.592008] RBP: 00007f5a00a37000 R08: [ 60.569329] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.582555] ---[ end trace 5750de976dd8ea1b ]--- 00007f5a00a36010 R09: 0000000000000000 # [ 52.599975] R10: 00[ 60.587717] lkdtm: Overflow detected: saturated 007f5a00c411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.607945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.691018] lkdtm: Performing direct entry EXEC_STACK # [ 52.702361] lkdtm: attempting ok execution at ffffffffb50b1eb0 # [ 52.715095] lkdtm: attempting bad execution at ffffa0d7822a7e18 # [ 52.727925] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.742494] BUG: unable to handle page fault for address: ffffa0d7822a7e18 # [ 52.750173] #PF: supervisor instruction fetch in kernel mode # [ 52.756492] #PF: error_code(0x0011) - permissions violation # [ 52.762716] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105cf[ 60.674561] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 60.687393] lkdtm: attempting bad refcount_add_not_zero() overflow [ 60.694336] ------------[ cut here ]------------ [ 60.699514] refcount_t: saturated; leaking memory. [ 60.704901] WARNING: CPU: 3 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 60.714249] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.740698] CPU: 3 PID: 2151 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 60.749349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.756156] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 60.761896] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb [ 60.782879] RSP: 0018:ffffa0d782a9fe38 EFLAGS: 00010282 1067 PTE 8000000100b85063 # [ 52.771757] Oops: 0011 [#6] SMP [ 60.788716] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 PTI # [ 52.781862] CPU: 1 PID: 1665 Comm: cat Tainted: G [ 60.802906] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 60.817092] RBP: ffffffffb60c0040 R08: 0000000000000000 R09: 0000000000000000 [ 60.825063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 60.833032] R13: ffffa0d782a9ff10 R14: ffffa0d782a9ff10 R15: ffff93300361b000 [ 60.840992] FS: 00007fb1b6940580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 60.850031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.856448] CR2: 00007fb1b6759000 CR3: 000000010542e005 CR4: 00000000003706e0 [ 60.864418] Call Trace: [ 60.867150] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 60.873309] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 60.879534] direct_entry.cold+0x2c/0x38 [ 60.883914] full_proxy_write+0x56/0x80 [ 60.888220] vfs_write+0xea/0x390 [ 60.891918] ksys_write+0x68/0xe0 [ 60.895617] do_syscall_64+0x33/0x40 [ 60.899612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.905253] RIP: 0033:0x7fb1b6868f33 [ 60.909242] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.930225] RSP: 002b:00007ffcc3a7c688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.938681] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb1b6868f33 [ 60.946650] RDX: 000000000000001f RSI: 00007fb1b6759000 RDI: 0000000000000001 [ 60.954610] RBP: 00007fb1b6759000 R08: 00007fb1b6758010 R09: 0000000000000000 [ 60.962572] R10: 00007fb1b69631c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.970568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.128-cip10 #1 # [ 52.790510] Hardware name: [ 60.978540] irq event stamp: 0 [ 60.988155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.995156] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.004294] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.013428] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.020428] ---[ end trace 5750de976dd8ea1c ]--- [ 61.025582] lkdtm: Overflow detected: saturated Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.797314] RIP: 0010:0xffffa0d7822a7e18 # [ 52.801691] Code: 00 00 18 7e 2a 82 d7 a0 ff ff ad 8d 6f b5 ff ff ff ff 20 00 00 00 00 00 00 00 3e 03 0c b6 ff ff ff ff d9 8e 6f b5 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 52.822660] RSP: 0018:ffffa0d7822a7df8 EFLAGS: 00010246 # [ 52.828491] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.836458] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 52.844427] RBP: ffffa0d7822a7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.852396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.860362] R13: ffffa0d7822a7f10 R14: ffffa0d7822a7f10 R15: ffff933004ea5000 # [ 52.868330] FS: 00007f2f3b322580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 52.877366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.883780] CR2: ffffa0d7822a7e18 CR3: 0000000104230001 CR4: 00000000[ 61.126910] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 003706e0 # [ 52.891747] Call Trace: # [ 52.894476] ? exec[ 61.136623] lkdtm: attempting good refcount_dec() ute_location+0x48/0x56 # [ 52.898952] ? lkdtm_EXEC_STACK+0x2[ 61.148097] lkdtm: attempting bad refcount_dec() to zero 6/0x40 # [ 52.909637] ? direct_entry.cold+0x2c/0x38 # [ 5[ 61.160242] ------------[ cut here ]------------ [ 61.171609] refcount_t: decrement hit 0; leaking memory. 2.914209] ? full_proxy_write+0x56/0x80 # [ 52.918683] ? vfs[ 61.177571] WARNING: CPU: 1 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 _write+0xea/0x390 # [ 52.922575] ? ksys_write+0x68/0xe0 # [[ 61.193108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 52.926467] ? do_syscall_64+0x33/0x40 # [ 52.930648] ? en[ 61.225748] CPU: 1 PID: 2183 Comm: cat Tainted: G D W 5.10.128-cip10 #1 try_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.936482] Modules[ 61.240614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 61.253632] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 61.265586] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sys[ 61.286573] RSP: 0018:ffffa0d782af7e48 EFLAGS: 00010286 [ 61.298616] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 61.306601] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 fs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sens[ 61.314609] RBP: ffffffffb60c03f9 R08: 0000000000000000 R09: 0000000000000000 [ 61.328791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 61.336762] R13: ffffa0d782af7f10 R14: ffffa0d782af7f10 R15: ffff93300378e000 [ 61.344733] FS: 00007f60fa1e4580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 61.353774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.366400] CR2: 00007f60f9ffd000 CR3: 000000010554a005 CR4: 00000000003706e0 [ 61.374371] Call Trace: 52.969120] CR2: ffffa0d7822a7e18 # [ 52.972809] ---[ end trac[ 61.377102] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 e 5750de976dd8ea0e ]--- # [ 52.977956] RIP: 0010:lkdtm_BUG+0x[ 61.388305] direct_entry.cold+0x2c/0x38 5/0x10 # [ 52.982333] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb [ 61.398897] full_proxy_write+0x56/0x80 e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc c[ 61.409393] vfs_write+0xea/0x390 [ 61.419306] ksys_write+0x68/0xe0 c cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 61.423009] do_syscall_64+0x33/0x40 [ 61.433207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 53.003313] RSP: 0018:fff[ 61.438850] RIP: 0033:0x7f60fa10cf33 fa0d781487e60 EFLAGS: 00010282 # [ 53.009146] RAX: ffffffffb5[ 61.449053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.017[ 61.476249] RSP: 002b:00007ffe3c04fad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.490919] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f60fa10cf33 114] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5[ 61.498890] RDX: 0000000000000012 RSI: 00007f60f9ffd000 RDI: 0000000000000001 [ 61.513069] RBP: 00007f60f9ffd000 R08: 00007f60f9ffc010 R09: 0000000000000000 [ 61.521040] R10: 00007f60fa2071c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.529010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cd9a70 # [ 53.025081] RBP: ffffffffb611b5a8 R08: 000000000000[ 61.536983] irq event stamp: 0 [ 61.546627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0001 R09: 0000000000000001 # [ 53.033050] R10: 00000000ffffe0[ 61.553631] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.568974] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.041019][ 61.578112] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.591321] ---[ end trace 5750de976dd8ea1d ]--- [ 61.596476] lkdtm: Zero detected: saturated R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 53.048988] FS: 00007f2f3b322580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 53.058024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.064437] CR2: ffffa0d7822a7e18 CR3: 0000000104230001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.144239] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.152833] lkdtm: attempting ok execution at ffffffffb50b1eb0 # [ 53.165574] lkdtm: attempting bad execution at ffff9330033acf80 # [ 53.178399] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.192972] BUG: unable to handle pa[ 61.671349] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 61.682487] lkdtm: attempting bad refcount_dec() below zero ge fault for address: ffff9330033acf80 # [ 53.200657] #PF: su[ 61.688733] ------------[ cut here ]------------ [ 61.700092] refcount_t: decrement hit 0; leaking memory. [ 61.706084] WARNING: CPU: 3 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 pervisor instruction fetch in kernel mode # [ 53.206978] #PF:[ 61.715422] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.748051] CPU: 3 PID: 2218 Comm: cat Tainted: G D W 5.10.128-cip10 #1 error_code(0x0011) - permissions violation # [ 53.213191] PG[ 61.756707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 D 134e01067 P4D 134e01067 PUD 10004e063 PMD 103303063 PTE 800000[ 61.769731] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 61.781684] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 61.802669] RSP: 0018:ffffa0d782ba7e48 EFLAGS: 00010286 [ 61.808506] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 61.816477] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 61.824448] RBP: ffffffffb60c040b R08: 0000000000000000 R09: 0000000000000000 [ 61.832418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.840390] R13: ffffa0d782ba7f10 R14: ffffa0d782ba7f10 R15: ffff93300336a000 [ 61.848361] FS: 00007f3deff6b580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 61.857390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.863805] CR2: 00007f3defd84000 CR3: 00000001057de004 CR4: 00000000003706e0 [ 61.871766] Call Trace: [ 61.874497] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 61.879850] direct_entry.cold+0x2c/0x38 [ 61.884256] full_proxy_write+0x56/0x80 [ 61.888558] vfs_write+0xea/0x390 01033ac163 # [ 53.222232] Oops: 0011 [#7] SMP PTI # [ 53.2[ 61.892263] ksys_write+0x68/0xe0 [ 61.902171] do_syscall_64+0x33/0x40 [ 61.906161] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.911804] RIP: 0033:0x7f3defe93f33 [ 61.915818] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.936801] RSP: 002b:00007ffff2d84cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.945259] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3defe93f33 [ 61.953229] RDX: 0000000000000016 RSI: 00007f3defd84000 RDI: 0000000000000001 [ 61.961199] RBP: 00007f3defd84000 R08: 00007f3defd83010 R09: 0000000000000000 [ 61.969160] R10: 00007f3deff8e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.977130] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.985103] irq event stamp: 0 [ 61.988510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.995512] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.004649] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.013783] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.020782] ---[ end trace 5750de976dd8ea1e ]--- [ 62.025937] lkdtm: Negative detected: saturated 32336] CPU: 1 PID: 1701 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 53.240984] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.247787] RIP: 0010:0xffff9330033acf80 # [ 53.252163] Code: 00 00 02 00 00 00 00 00 00 00 20 53 54 05 30 93 ff ff 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d4 f2 e9 b4 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.273134] RSP: 0018:ffffa0d78233fe38 EFLAGS: 00010246 # [ 53.278966] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.286934] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 53.294902] RBP: ffff9330033acf80 R08: 0000000000000000 R09: 0000000000000000 # [ 53.302869] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.310838] R13: ffffa0d78233ff10 R14: ffffa0d78233ff10 R15: ffff933002a24000 # [ 53.318806] FS: 00007f13b2093580(0000) GS:ffff93307ac8[ 62.123339] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 62.131810] lkdtm: attempting bad refcount_dec_and_test() below zero [ 62.138915] ------------[ cut here ]------------ [ 62.144079] refcount_t: underflow; use-after-free. [ 62.149459] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0000(0000) knlGS:0000000000000000 # [ 53.327843] CS: 0010 DS[ 62.158794] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.191424] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 62.200074] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.206881] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 62.212621] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 [ 62.233611] RSP: 0018:ffffa0d782c37e40 EFLAGS: 00010286 [ 62.239446] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 62.247416] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 62.255387] RBP: ffffffffb60c0060 R08: 0000000000000000 R09: 0000000000000000 [ 62.263357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.271326] R13: ffffa0d782c37f10 R14: ffffa0d782c37f10 R15: ffff93300267d000 [ 62.279298] FS: 00007f6705c5f580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 62.288337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.294753] CR2: 00007f6705a78000 CR3: 0000000103310006 CR4: 00000000003706e0 [ 62.302724] Call Trace: : 0000 ES: 0000 CR0: 0000000080050033 # [ 53.334256] CR2: fff[ 62.305458] __refcount_sub_and_test.constprop.0+0x34/0x40 f9330033acf80 CR3: 0000000100b84005 CR4: 00000000003706e0 # [ [ 62.317799] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 62.330239] direct_entry.cold+0x2c/0x38 53.342224] Call Trace: # [ 53.344953] ? execute_location+0x[ 62.334644] full_proxy_write+0x56/0x80 [ 62.345135] vfs_write+0xea/0x390 [ 62.348859] ksys_write+0x68/0xe0 48/0x56 # [ 53.349430] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ [ 62.352573] do_syscall_64+0x33/0x40 [ 62.362779] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.368450] RIP: 0033:0x7f6705b87f33 [ 62.372473] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.393482] RSP: 002b:00007ffdcea37188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.401941] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6705b87f33 [ 62.409913] RDX: 000000000000001f RSI: 00007f6705a78000 RDI: 0000000000000001 [ 62.417883] RBP: 00007f6705a78000 R08: 00007f6705a77010 R09: 0000000000000000 [ 62.425855] R10: 00007f6705c821c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.433825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.441798] irq event stamp: 0 [ 62.445210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.452212] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.461373] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.470509] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.477509] ---[ end trace 5750de976dd8ea1f ]--- [ 62.482663] lkdtm: Negative detected: saturated 53.360306] ? direct_entry.cold+0x2c/0x38 # [ 53.364879] ? full_proxy_write+0x56/0x80 # [ 53.369351] ? vfs_write+0xea/0x390 # [ 53.373240] ? ksys_write+0x68/0xe0 # [ 53.377131] ? do_syscall_64+0x33/0x40 # [ 53.381313] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.387147] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.419781] CR2: ffff9330033acf80 # [ 53.423476] ---[ end trace 5750de976dd8ea0f ]--- # [ 53.428629] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.433026] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc[ 62.567013] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 62.576158] lkdtm: attempting bad refcount_sub_and_test() below zero 0 83 05 30 1a 70 02 # [ 53.453996] RSP: 0018:ffffa0d781487e60[ 62.589500] ------------[ cut here ]------------ EFLAGS: 00010282 # [ 53.459828] RAX: ffffffffb50b1ae0 RBX: 0[ 62.600848] refcount_t: underflow; use-after-free. 000000000000001 RCX: 0000000000000000 # [ 53.467796] RDX: 000[ 62.612418] WARNING: CPU: 0 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ [ 62.627991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 53.475763] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 000[ 62.660637] CPU: 0 PID: 2288 Comm: cat Tainted: G D W 5.10.128-cip10 #1 0000000000001 # [ 53.483730] R10: 00000000ffffe000 R11: 3ffff[ 62.675526] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffffffff R12: 0000000000000004 # [ 53.491697] R13: ffffa0d[ 62.688541] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 53.[ 62.700488] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 499664] FS: 00007f13b2093580(0000) GS:ffff93307ac80000(0000) kn[ 62.727659] RSP: 0018:ffffa0d782c9fe40 EFLAGS: 00010286 lGS:0000000000000000 # [ 53.508699] CS: 0010 DS: 0000 ES: 00[ 62.739707] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00 CR0: 0000000080050033 # [ 53.515115] CR2: ffff9330033acf80[ 62.753893] RDX: ffff93307ac2c660 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 CR3: 0000000100b84005 CR4: 00000000003706e0 # EXEC_KMALLOC: sa[ 62.768086] RBP: ffffffffb60c0080 R08: 0000000000000000 R09: 0000000000000000 w 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # [ 62.782271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 53.598341] lk[ 62.796483] R13: ffffa0d782c9ff10 R14: ffffa0d782c9ff10 R15: ffff93300560e000 dtm: Performing direct entry EXEC_VMALLOC # [ 53.609749] lkdt[ 62.810650] FS: 00007f5ee2fd1580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 m: attempting ok execution at ffffffffb50b1eb0 # [ 53.622496][ 62.825908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lkdtm: attempting bad execution at ffffa0d7806d7000 # [ 53.6[ 62.838559] CR2: 00007f5ee2dea000 CR3: 0000000103704002 CR4: 00000000003706f0 35326] kernel tried to execute NX-protected page - exploit attem[ 62.852737] Call Trace: pt? (uid: 0) # [ 53.649861] BUG: unable to handle page fault [ 62.861684] __refcount_sub_and_test.constprop.0+0x34/0x40 for address: ffffa0d7806d7000 # [ 53.657538] #PF: supervisor [ 62.874044] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 instruction fetch in kernel mode # [ 53.663878] #PF: error_co[ 62.886465] direct_entry.cold+0x2c/0x38 de(0x0011) - permissions violation # [ 53.670100] PGD 1000000[ 62.897066] full_proxy_write+0x56/0x80 67 P4D 100000067 PUD 10020b067 PMD 104f30067 PTE 800000010394906[ 62.907602] vfs_write+0xea/0x390 3 # [ 53.679145] Oops: 0011 [#8] SMP PTI # [ 53.683037] CP[ 62.917501] ksys_write+0x68/0xe0 U: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.128-ci[ 62.927414] do_syscall_64+0x33/0x40 p10 #1 # [ 53.691677] Hardware name: Google Rammus/Rammus, BI[ 62.937665] entry_SYSCALL_64_after_hwframe+0x44/0xa9 OS 09/04/2020 # [ 53.698481] RIP: 0010:0xffffa0d7806d7000 #[ 62.949496] RIP: 0033:0x7f5ee2ef9f33 [ 53.702848] Code: Unable to access opcode bytes at RIP 0xfff[ 62.959708] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fa0d7806d6fd6. # [ 53.710526] RSP: 0018:ffffa0d78238fe38 EFLA[ 62.986903] RSP: 002b:00007ffd3b533f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 GS: 00010246 # [ 53.716359] RAX: 0000000000000033 RBX: 000000[ 63.001632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ee2ef9f33 0000000001 RCX: 0000000000000000 # [ 53.724327] RDX: 00000000[ 63.015777] RDX: 000000000000001f RSI: 00007f5ee2dea000 RDI: 0000000000000001 00000000 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 # [ 53.7[ 63.029990] RBP: 00007f5ee2dea000 R08: 00007f5ee2de9010 R09: 0000000000000000 32295] RBP: ffffa0d7806d7000 R08: 0000000000000000 R09: 00000000[ 63.044170] R10: 00007f5ee2ff41c0 R11: 0000000000000246 R12: 0000000000000001 00000000 # [ 53.740262] R10: 00000000ffffe000 R11: 3fffffffff[ 63.058350] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffff R12: 000000000000000d # [ 53.748231] R13: ffffa0d78238[ 63.072549] irq event stamp: 0 ff10 R14: ffffa0d78238ff10 R15: ffff933003949000 # [ 53.75620[ 63.082158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0] FS: 00007feba9ef3580(0000) GS:ffff93307ac00000(0000) knlGS:0[ 63.095380] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 000000000000000 # [ 53.765236] CS: 0010 DS: 0000 ES: 0000 CR[ 63.110726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0: 0000000080050033 # [ 53.771650] CR2: ffffa0d7806d6fd6 CR3:[ 63.126091] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000001031ec005 CR4: 00000000003706f0 # [ 53.779619] Call T[ 63.139296] ---[ end trace 5750de976dd8ea20 ]--- race: # [ 53.782348] ? execute_location+0x48/0x56 # [ 53.[ 63.150689] lkdtm: Negative detected: saturated 786829] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 53.791495] ? direct_entry.cold+0x2c/0x38 # [ 53.796065] ? full_proxy_write+0x56/0x80 # [ 53.800538] ? vfs_write+0xea/0x390 # [ 53.804453] ? ksys_write+0x68/0xe0 # [ 53.808344] ? do_syscall_64+0x33/0x40 # [ 53.812526] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.818360] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.844799] CR2: ffffa0d7806d7000 # [ 53.848495] ---[ end trace 5750de976dd8ea10 ]--- # [ 53.853648] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.858014] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 53.878994] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 53.884826] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.892794] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 53.900763] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.908732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.916700] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 53.924669] FS: 00007feba9ef3580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 53.933705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.940118] CR2: ffffa0d7806d6fd6 CR3: 00000001031ec005 CR4: 00000000003706f0 # [ 53.948087] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.957997] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat # [ 53.966451] INFO: lockdep is turned off. # [ 53.970827] irq event stamp: 0 # [ 53.974230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.981228] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.990363] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.999487] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.006484] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 54.015132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.021935] Call Trace: # [ 54.024655] dump_stack+0x77/0x97 # [ 54.028357] ___might_sleep.cold+0xa6/0xb6 # [ 54.032921] exit_signals+0x1c/0x2d0 # [ 54.036900] do_exit+0xd5/0xb00 # [ 54.040394] ? ksys_write+0x68/0xe0 # [ 54.044276] rewind_stack_do_exit+0x17/0x20 # [ 54.048943] RIP: 0033:0x7feba9e1bf33 # [ 54.052929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.073909] RSP: 002b:00007ffeeef569f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.082364] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007feba9e1bf33 # [ 54.090331] RDX: 000000000000000d RSI: 00007feba9d0c000 RDI: 0000000000000001 # [ 54.098299] RBP: 00007feba9d0c000 R08: 00007feba9d0b010 R09: 0000000000000000 # [ 54.106268] R10: 00007feba9f161c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.114236] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.239309] lkdtm: Performing direct entry EXEC_RODATA # [ 54.246072] lkdtm: attempting ok execution at ffffffffb50b1eb0 # [ 54.258807] lkdtm: attempting bad execution at ffffffffb5cd9f00 # [ 54.271637] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.286214] BUG: unable to handle page fault for address: ffffffffb5cd9f00 # [ 54.293894] #PF: supervisor instruction fetch in kernel mode # [ 54.300218] #PF: error_code(0x0011) - permissions violation # [ 54.306439] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 80000001332000e1 # [ 54.314219] Oops: 0011 [#9] SMP PTI # [ 54.324324] CPU: 1 PID: 1773 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 54.332975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.339781] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.345517] Code: ff ff d9 a2 6f b5 ff ff ff ff 8a 05 0c b6 ff ff ff ff 8f 8a 6f b5 ff ff ff [ 63.615702] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 63.626743] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 63.633852] lkdtm: Good: zero detected [ 63.638038] lkdtm: Correctly stayed at zero [ 63.642709] lkdtm: attempting bad refcount_inc() from zero ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 63.648836] ------------[ cut here ]------------ [ 63.660203] refcount_t: addition on 0; use-after-free. [ 63.665970] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 54[ 63.675307] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.707944] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 63.716608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.723448] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 63.729187] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d [ 63.750171] RSP: 0018:ffffa0d782d17e48 EFLAGS: 00010286 [ 63.756006] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 63.763975] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 [ 63.771938] RBP: ffffffffb60c0421 R08: 0000000000000000 R09: 0000000000000000 [ 63.779908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.787869] R13: ffffa0d782d17f10 R14: ffffa0d782d17f10 R15: ffff93300548c000 [ 63.795838] FS: 00007f7096102580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 63.804878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.811293] CR2: 00007f7095f1b000 CR3: 0000000103496006 CR4: 00000000003706e0 [ 63.819254] Call Trace: .372713] RSP: 0018:ffffa0d78243fe48 EFLAGS: 00010246 # [ 54.3[ 63.821986] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 63.833162] direct_entry.cold+0x2c/0x38 [ 63.837561] full_proxy_write+0x56/0x80 78537] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000000[ 63.841852] vfs_write+0xea/0x390 [ 63.851761] ksys_write+0x68/0xe0 [ 63.855460] do_syscall_64+0x33/0x40 [ 63.859451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.865093] RIP: 0033:0x7f709602af33 [ 63.869084] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.890067] RSP: 002b:00007ffd7b36d428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000 # [ 54.386530] RDX: 0000000000000000 RSI: ffff93307a[ 63.898527] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f709602af33 c9bf70 RDI: ffff93307ac9bf70 # [ 54.394498] RBP: ffffffffb5cd[ 63.912717] RDX: 0000000000000012 RSI: 00007f7095f1b000 RDI: 0000000000000001 [ 63.926906] RBP: 00007f7095f1b000 R08: 00007f7095f1a010 R09: 0000000000000000 [ 63.934910] R10: 00007f70961251c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.942883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.950861] irq event stamp: 0 [ 63.954325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 54.40246[ 63.961342] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.976682] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.985841] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.992843] ---[ end trace 5750de976dd8ea21 ]--- [ 63.997998] lkdtm: Zero detected: saturated 6] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.410433] R13: ffffa0d78243ff10 R14: ffffa0d78243ff10 R15: ffff93300361c000 # [ 54.418401] FS: 00007f503b67f580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 54.427438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.433852] CR2: ffffffffb5cd9f00 CR3: 00000001031d0005 CR4: 00000000003706e0 # [ 54.441821] Call Trace: # [ 54.444571] ? execute_location+0x48/0x56 # [ 54.449040] ? direct_entry.cold+0x2c/0x38 # [ 54.459821] ? full_proxy_write+0x56/0x80 # [ 54.464296] ? vfs_write+0xea/0x390 # [ 54.468188] ? ksys_write+0x68/0xe0 # [ 54.472072] ? do_syscall_64+0x33/0x40 # [ 54.476255] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 #[ 64.072227] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 54.482089] Modules linked in: fuse ip_tables cros_ec_sensor[ 64.083628] lkdtm: attempting safe refcount_add_not_zero() from zero s cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i[ 64.096947] lkdtm: Good: zero detected ndustrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_[ 64.107363] lkdtm: Correctly stayed at zero ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cr[ 64.118213] lkdtm: attempting bad refcount_add() from zero os_usbpd_notify # [ 54.514725] CR2: ffffffffb5cd9f00 # [ 5[ 64.130578] ------------[ cut here ]------------ 4.518422] ---[ end trace 5750de976dd8ea11 ]--- # [ 54.523578][ 64.141983] refcount_t: addition on 0; use-after-free. RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.527954] Code: 5b a5 ff 4[ 64.153971] WARNING: CPU: 0 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 8 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff[ 64.169501] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0[ 64.202166] CPU: 0 PID: 2352 Comm: cat Tainted: G D W 5.10.128-cip10 #1 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 5[ 64.217050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4.555146] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 54.[ 64.230065] RIP: 0010:refcount_warn_saturate+0x68/0xf0 560979] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000[ 64.242050] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 000000000 # [ 54.568947] RDX: 0000000000000000 RSI: ffff93307[ 64.269218] RSP: 0018:ffffa0d782d9fe48 EFLAGS: 00010286 ac9bf70 RDI: ffffffffb5cd9a70 # [ 54.576915] RBP: ffffffffb61[ 64.281308] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 1b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.5848[ 64.295468] RDX: ffff93307ac2c660 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 83] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 64.309660] RBP: ffffffffb60c0433 R08: 0000000000000000 R09: 0000000000000000 00004 # [ 54.592851] R13: ffffa0d781487f10 R14: ffffa0d781487[ 64.323839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 f10 R15: ffff933004ff8000 # [ 54.600819] FS: 00007f503b67f58[ 64.338040] R13: ffffa0d782d9ff10 R14: ffffa0d782d9ff10 R15: ffff933005cc9000 0(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ [ 64.352204] FS: 00007f224b0ec580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 54.609855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.367482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.616268] CR2: ffffffffb5cd9f00 CR3: 00000001031d0005 CR4: [ 64.380095] CR2: 00007f224af05000 CR3: 0000000103244002 CR4: 00000000003706f0 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 se[ 64.394321] Call Trace: lftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPA[ 64.403256] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd CE.sh # Killed # [ 54.698860] lkdtm: Performing direct entry[ 64.414427] direct_entry.cold+0x2c/0x38 EXEC_USERSPACE # [ 54.711074] lkdtm: attempting ok execution[ 64.425009] full_proxy_write+0x56/0x80 at ffffffffb50b1eb0 # [ 54.717603] lkdtm: attempting bad exe[ 64.435523] vfs_write+0xea/0x390 cution at 00007fbc27753000 # [ 54.724231] unable to execute u[ 64.445426] ksys_write+0x68/0xe0 serspace code (SMEP?) (uid: 0) # [ 54.730644] BUG: unable to [ 64.455366] do_syscall_64+0x33/0x40 handle page fault for address: 00007fbc27753000 # [ 54.738321[ 64.465560] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ] #PF: supervisor instruction fetch in kernel mode # [ 54.744[ 64.477430] RIP: 0033:0x7f224b014f33 639] #PF: error_code(0x0011) - permissions violation # [ 54.7[ 64.487640] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 50859] PGD 8000000104db1067 P4D 8000000104db1067 PUD 1040e0067 P[ 64.514849] RSP: 002b:00007ffed5507ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 MD 104e2d067 PTE 11694a067 # [ 54.760581] Oops: 0011 [#10] SM[ 64.529504] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f224b014f33 P PTI # [ 54.764568] CPU: 3 PID: 1809 Comm: cat Tainted: G [ 64.543710] RDX: 0000000000000012 RSI: 00007f224af05000 RDI: 0000000000000001 D W 5.10.128-cip10 #1 # [ 54.773218] Hardware name[ 64.557885] RBP: 00007f224af05000 R08: 00007f224af04010 R09: 0000000000000000 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.780022] RIP: [ 64.572094] R10: 00007f224b10f1c0 R11: 0000000000000246 R12: 0000000000000001 0010:0x7fbc27753000 # [ 54.784008] Code: Unable to access opc[ 64.586256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ode bytes at RIP 0x7fbc27752fd6. # [ 54.791297] RSP: 0018:fff[ 64.600476] irq event stamp: 0 fa0d7824c7e50 EFLAGS: 00010246 # [ 54.797130] RAX: 0000000000[ 64.610074] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 54.805[ 64.623298] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 100] RDX: 0000000000000000 RSI: ffff93307ad9bf70 RDI: ffff93307a[ 64.638640] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 d9bf70 # [ 54.813069] RBP: 00007fbc27753000 R08: 000000000000[ 64.654010] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000 R09: 0000000000000000 # [ 54.821038] R10: 00000000ffffe0[ 64.667210] ---[ end trace 5750de976dd8ea22 ]--- 00 R11: 3fffffffffffffff R12: 000000000000000f # [ 54.829006][ 64.678616] lkdtm: Zero detected: saturated R13: ffffa0d7824c7f10 R14: ffffa0d7824c7f10 R15: ffff9330055be000 # [ 54.836975] FS: 00007fbc27724580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 54.846011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.852426] CR2: 00007fbc27753000 CR3: 0000000104e4a002 CR4: 00000000003706e0 # [ 54.860394] Call Trace: # [ 54.863123] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 54.868471] ? direct_entry.cold+0x2c/0x38 # [ 54.873043] ? full_proxy_write+0x56/0x80 # [ 54.877519] ? vfs_write+0xea/0x390 # [ 54.881409] ? ksys_write+0x68/0xe0 # [ 54.885299] ? do_syscall_64+0x33/0x40 # [ 54.889482] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.895316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 64.762373] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 64.770853] lkdtm: attempting bad refcount_inc() from saturated [ 64.777472] ------------[ cut here ]------------ [ 64.782633] refcount_t: saturated; leaking memory. [ 64.788010] WARNING: CPU: 2 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 64.797349] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.829978] CPU: 2 PID: 2387 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 64.838627] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.845433] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 64.851172] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a [ 64.872153] RSP: 0018:ffffa0d782e57e48 EFLAGS: 00010286 [ 64.877988] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 64.885958] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 [ 64.893929] RBP: ffffffffb60c0445 R08: 0000000000000000 R09: 0000000000000000 [ 64.901900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 64.909869] R13: ffffa0d782e57f10 R14: ffffa0d782e57f10 R15: ffff933003436000 [ 64.917830] FS: 00007f5f477e1580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 64.926867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.933284] CR2: 00007f5f475fa000 CR3: 000000010547a003 CR4: 00000000003706e0 [ 64.941253] Call Trace: ros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cr[ 64.943989] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 64.955648] direct_entry.cold+0x2c/0x38 fy # [ 54.921772] CR2: 00007fbc27753000 # [ 54.931682] ---[ 64.966246] full_proxy_write+0x56/0x80 [ end trace 5750de976dd8ea12 ]--- # [ 54.936835] RIP: 0010:lk[ 64.976740] vfs_write+0xea/0x390 [ 64.986657] ksys_write+0x68/0xe0 dtm_BUG+0x5/0x10 # [ 54.941203] Code: 5b a5 ff 48 c7 c0 ea ff[ 64.990383] do_syscall_64+0x33/0x40 [ 65.000580] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.006221] RIP: 0033:0x7f5f47709f33 [ 65.010210] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.031198] RSP: 002b:00007ffc2368be28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 [ 65.039677] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5f47709f33 [ 65.053853] RDX: 0000000000000017 RSI: 00007f5f475fa000 RDI: 0000000000000001 [ 65.061822] RBP: 00007f5f475fa000 R08: 00007f5f475f9010 R09: 0000000000000000 [ 65.069782] R10: 00007f5f478041c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.077753] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.085725] irq event stamp: 0 [ 65.089133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.096134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.105272] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.114406] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.121399] ---[ end trace 5750de976dd8ea23 ]--- [ 65.126568] lkdtm: Saturation detected: still saturated cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 54.962184] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 54.968017] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.975986] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 54.983955] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.991924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.999892] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 55.007861] FS: 00007fbc27724580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 55.016898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.023312] CR2: 00007fbc27753000 CR3: 0000000104e4a002 CR4: 00000000003706e0 # [ 55.031283] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.041195] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name: cat # [ 55.049649] INFO: lockdep is turned off. # [ 55.054026] irq event stamp: 0 # [ 55.057431] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.064432] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.073568] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.082704] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.089704] CPU: 3 PID: 1809 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.098344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.105148] Call Trace: # [ 55.107876] dump_stack+0x77/0x97 # [ 55.111574] ___might_sleep.cold+0xa6/0xb6 # [ 55.116145] exit_signals+0x1c/0x2d0 # [ 55.120133] do_exit+0xd5/0xb00 # [ 55.123626] ? ksys_write+0x68/0xe0 # [ 55.127518] rewind_stack_do_exit+0x17/0x20 # [ 55.132177] RIP: 0033:0x7fbc2764cf33 # [ 55.136156] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.157130] RSP: 002b:00007ffeccf492a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.165584] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbc2764cf33 # [ 55.173566] RDX: 000[ 65.365424] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 65.372540] lkdtm: attempting bad refcount_dec() from saturated [ 65.379165] ------------[ cut here ]------------ [ 65.384330] refcount_t: decrement hit 0; leaking memory. [ 65.390284] WARNING: CPU: 3 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 65.399622] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000f RSI: 00007fbc2753d000 RDI: 0000000000000001 # [ [ 65.426081] CPU: 3 PID: 2422 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.440941] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.447749] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 65.453488] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 65.474473] RSP: 0018:ffffa0d782ee7e48 EFLAGS: 00010286 [ 65.480309] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 65.488281] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 65.496255] RBP: ffffffffb60c045c R08: 0000000000000000 R09: 0000000000000000 [ 65.504227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.512198] R13: ffffa0d782ee7f10 R14: ffffa0d782ee7f10 R15: ffff9330040df000 [ 65.520170] FS: 00007fa8bc9ef580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 65.529211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.535628] CR2: 00007fa8bc808000 CR3: 00000001027a4002 CR4: 00000000003706e0 [ 65.543613] Call Trace: [ 65.546377] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 65.551859] direct_entry.cold+0x2c/0x38 [ 65.556271] full_proxy_write+0x56/0x80 [ 65.560576] vfs_write+0xea/0x390 55.181534] RBP: 00007fbc2753d000 R08: 00007fbc2753c010 R09: 000[ 65.564282] ksys_write+0x68/0xe0 [ 65.574190] do_syscall_64+0x33/0x40 [ 65.578211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.583857] RIP: 0033:0x7fa8bc917f33 [ 65.587879] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.608861] RSP: 002b:00007fff5e11dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.617319] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa8bc917f33 [ 65.625292] RDX: 0000000000000017 RSI: 00007fa8bc808000 RDI: 0000000000000001 [ 65.633264] RBP: 00007fa8bc808000 R08: 00007fa8bc807010 R09: 0000000000000000 0000000000000 # [ 55.189503] R10: 00007fbc277471c0 R11: 00000[ 65.641237] R10: 00007fa8bca121c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.655424] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000246 R12: 0000000000000001 # [ 55.197472] R13: 0000000[ 65.663397] irq event stamp: 0 [ 65.673018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.680023] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.689190] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.698326] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.705329] ---[ end trace 5750de976dd8ea24 ]--- [ 65.710507] lkdtm: Saturation detected: still saturated 000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 55.286126] lkdtm: Performing direct entry EXEC_NULL # [ 55.291822] lkdtm: attempting ok execution at ffffffffb50b1eb0 # [ 55.304556] lkdtm: attempting bad execution at 0000000000000000 # [ 55.317405] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 55.331376] #PF: supervisor instruction fetch in kernel mode # [ 55.337696] #PF: error_code(0x0010) - not-present page # [ 55.343432] PGD 0 P4D 0 # [ 55.346260] Oops: 0010 [#11] SMP PTI # [ 55.356463] CPU: 1 PID: 1845 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.365114] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 65.791902] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 65.803964] lkdtm: attempting bad refcount_dec() from saturated 55.371920] RIP: 0010:0x0 # [ 55.374841] Code: Unable to acc[ 65.810604] ------------[ cut here ]------------ [ 65.821978] refcount_t: saturated; leaking memory. [ 65.827348] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 65.836702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ess opcode bytes at RIP 0xffffffffffffffd6. # [ 55.382509] RS[ 65.863161] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.878023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.884862] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 65.890619] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a [ 65.911623] RSP: 0018:ffffa0d782f37e48 EFLAGS: 00010286 [ 65.917461] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 65.925434] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 P: 0018:ffffa0d78256fe48 EFLAGS: 00010246 # [ 55.388343] RAX:[ 65.933406] RBP: ffffffffb60c0473 R08: 0000000000000000 R09: 0000000000000000 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 #[ 65.947594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 65.961779] R13: ffffa0d782f37f10 R14: ffffa0d782f37f10 R15: ffff933004098000 [ 65.969748] FS: 00007fe9d454b580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 65.978785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.985193] CR2: 00007fe9d4364000 CR3: 0000000103240004 CR4: 00000000003706e0 [ 65.993167] Call Trace: [ 65.995939] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 55.396312] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI:[ 66.001398] direct_entry.cold+0x2c/0x38 [ 66.011983] full_proxy_write+0x56/0x80 [ 66.016265] vfs_write+0xea/0x390 [ 66.019962] ksys_write+0x68/0xe0 [ 66.023660] do_syscall_64+0x33/0x40 [ 66.027649] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.033291] RIP: 0033:0x7fe9d4473f33 [ 66.037280] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.058262] RSP: 002b:00007ffc849ae638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.066719] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe9d4473f33 [ 66.074689] RDX: 0000000000000017 RSI: 00007fe9d4364000 RDI: 0000000000000001 [ 66.082658] RBP: 00007fe9d4364000 R08: 00007fe9d4363010 R09: 0000000000000000 [ 66.090628] R10: 00007fe9d456e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.098612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.106585] irq event stamp: 0 [ 66.110035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.117028] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.126164] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.135300] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.142298] ---[ end trace 5750de976dd8ea25 ]--- [ 66.147445] lkdtm: Saturation detected: still saturated ffff93307ac9bf70 # [ 55.404280] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.412248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.420216] R13: ffffa0d78256ff10 R14: ffffa0d78256ff10 R15: ffff933003436000 # [ 55.428184] FS: 00007fe769004580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 55.437212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.443625] CR2: ffffffffffffffd6 CR3: 000000010394c005 CR4: 00000000003706e0 # [ 55.451604] Call Trace: # [ 55.454342] execute_location+0x48/0x56 # [ 55.464833] direct_entry.cold+0x2c/0x38 # [ 55.469211] full_proxy_write+0x56/0x80 # [ 55.473494] vfs_write+0xea/0x390 # [ 55.483401] ksys_write+0x68/0xe0 # [ 55.487098] do_syscall_64+0x33/0x40 # [ 55.491077] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.496708] RIP: 0033:0x7fe768f2cf33 # [ 55.500687] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.521669] RSP: 002b:00007fff8a37d5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.530125] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe768f2cf33 # [ 55.538093] RDX: 000000000000000a RSI: 00007fe768e1d000 RDI: 0000000000000001 # [ 55.546061] RBP: 00007fe768e1d000 R08: 00007fe768e1c010 R09: 0000000000000000 # [ 55.554029] R10: 00007fe7690271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.561997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.569968] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.602602] CR2: 0000000000000000 # [ 55.606319] ---[ end trace 5750de976dd8ea13 ]--- # [ 55.611474] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.615850] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 55.636829] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 55.642661] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.650628] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 55.658596] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.666585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.674564] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 55.682533] FS: 00007fe769004580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 55.691571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.697986] CR2: ffffffffffffffd6 CR3: 000000010394c005 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 55.782751] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 55.792997] lkdtm: attempting bad read at 00007f3cd4ef7000 # [ 55.805349] BUG: unable to handle page fault for address: 00007f3cd4ef7000 # [ 55.819217] #PF: supervisor read access in kernel mode # [ 55.824954] #PF: error_code(0x0001) - permissions violation # [ 55.831175] PGD 8000000105699067 P4D 8000000105699067 PUD 10423b067 PMD 104084067 PTE 114ac3067 # [ 55.847113] Oops: 0001 [#12] SMP PTI # [ 55.851100] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 55.859746] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.866566] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 55.872778] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 0c b6 e8 73 9d fd ff 48 c7 c7 d0 12 0c b6 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 0c # [ 55.899971] RSP: 0018:ffffa0d7825b7e48 EFLAGS: 00010246 # [ 55.905805] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 55.913774] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb60c12d0 # [ 55.921743] RBP: 00007f3cd4ef7000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.929714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 55.937681] R13: ffffa0d7825b7f10 R14: ffffa0d7825b7f10 R15: ffff9330055d2000 # [ 55.945652] FS: 00007f3cd4ec8580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 55.954689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.961103] CR2: 00007f3cd4ef7000 CR3: 0000000103552003 CR4: 00000000003706e0 # [ 55.969071] Call Trace: # [ 55.971800] direct_entry.cold+0x2c/0x38 # [ 55.976180] full_proxy_write+0x56/0x80 # [ 55.986671] vfs_write+0xea/0x390 # [ 55.990368] ksys_write+0x68/0xe0 # [ 55.994065] do_syscall_64+0x33/0x40 # [ 55.998044] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.003674] RIP: 0033:0x7f3cd4df0f33 # [ 56.007659] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.028640] RSP: 002b:00007ffd8fcbbfb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.037087] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3cd4df0f33 # [ 56.045055] RDX: 0000000000000011 RSI: 00007f3cd4ce1000 RDI: 0000000000000001 # [ 56.053024] RBP: 00007f3cd4ce1000 R08: 00007f3cd4ce0010 R09: 0000000000000000 # [ 56.060993] R10: 00007f3cd4eeb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.068960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.076932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 66.744146] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sys[ 66.753885] lkdtm: attempting bad refcount_inc_not_zero() from saturated fs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sens[ 66.767592] ------------[ cut here ]------------ [ 66.778956] refcount_t: saturated; leaking memory. orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 66.784336] WARNING: CPU: 1 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 56.109570] CR2: 00007f3cd4ef7000 # [ 56.113267] ---[ end trac[ 66.799849] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e 5750de976dd8ea14 ]--- # [ 56.118413] RIP: 0010:lkdtm_BUG+0x[ 66.832487] CPU: 1 PID: 2489 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 66.847352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.854162] RIP: 0010:refcount_warn_saturate+0x87/0xf0 5/0x10 # [ 56.122789] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb [ 66.859926] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb [ 66.887117] RSP: 0018:ffffa0d782fffe38 EFLAGS: 00010282 e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc c[ 66.892954] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 66.907136] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 c cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 66.915107] RBP: ffffffffb60c00a0 R08: 0000000000000000 R09: 0000000000000000 [ 66.929286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 66.937257] R13: ffffa0d782ffff10 R14: ffffa0d782ffff10 R15: ffff933003241000 [ 66.945228] FS: 00007fd81cd48580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 56.143771] RSP: 0018:fff[ 66.954269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.966896] CR2: 00007fd81cb61000 CR3: 000000010362c005 CR4: 00000000003706e0 fa0d781487e60 EFLAGS: 00010282 # [ 56.149616] RAX: ffffffffb5[ 66.974870] Call Trace: 0b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.157[ 66.983809] __refcount_add_not_zero.constprop.0+0x2a/0x31 583] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5[ 66.996151] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 67.008686] direct_entry.cold+0x2c/0x38 cd9a70 # [ 56.165563] RBP: ffffffffb611b5a8 R08: 000000000000[ 67.013067] full_proxy_write+0x56/0x80 0001 R09: 0000000000000001 # [ 56.173532] R10: 00000000ffffe0[ 67.023562] vfs_write+0xea/0x390 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.181499][ 67.033474] ksys_write+0x68/0xe0 R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff80[ 67.043388] do_syscall_64+0x33/0x40 00 # [ 56.189467] FS: 00007f3cd4ec8580(0000) GS:ffff93307ac8[ 67.053637] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.065489] RIP: 0033:0x7fd81cc70f33 0000(0000) knlGS:0000000000000000 # [ 56.198503] CS: 0010 DS[ 67.069479] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000 ES: 0000 CR0: 0000000080050033 # [ 56.204917] CR2: 000[ 67.096693] RSP: 002b:00007ffeabfcedd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 07f3cd4ef7000 CR3: 0000000103552003 CR4: 00000000003706e0 # [ [ 67.111347] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd81cc70f33 [ 67.125528] RDX: 0000000000000020 RSI: 00007fd81cb61000 RDI: 0000000000000001 56.212884] BUG: sleeping function called from invalid context a[ 67.133526] RBP: 00007fd81cb61000 R08: 00007fd81cb60010 R09: 0000000000000000 [ 67.147706] R10: 00007fd81cd6b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.155677] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t include/linux/percpu-rwsem.h:49 # [ 56.222796] in_atomic():[ 67.163650] irq event stamp: 0 [ 67.173296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat # [ [ 67.180299] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.195643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 56.231248] INFO: lockdep is turned off. # [ 56.235621] irq [ 67.204779] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.217987] ---[ end trace 5750de976dd8ea26 ]--- [ 67.223142] lkdtm: Saturation detected: still saturated event stamp: 0 # [ 56.239026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.246027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.255163] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.264296] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.271295] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.279944] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.286747] Call Trace: # [ 56.289473] dump_stack+0x77/0x97 # [ 56.293172] ___might_sleep.cold+0xa6/0xb6 # [ 56.297742] exit_signals+0x1c/0x2d0 # [ 56.301731] do_exit+0xd5/0xb00 # [ 56.305225] ? ksys_write+0x68/0xe0 # [ 56.309118] rewind_stack_do_exit+0x17/0x20 # [ 56.313785] RIP:[ 67.304347] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 67.317465] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 67.324976] ------------[ cut here ]------------ 0033:0x7f3cd4df0f33 # [ 56.317771] Code: 8b 15 61 ef 0c 00 f[ 67.330147] refcount_t: saturated; leaking memory. 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 67.341726] WARNING: CPU: 2 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 67.357259] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 67.383718] CPU: 2 PID: 2521 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.398579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.405394] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 67.411156] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb [ 67.432136] RSP: 0018:ffffa0d78305fe38 EFLAGS: 00010282 [ 67.437972] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 67.445941] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 [ 67.453910] RBP: ffffffffb60c00c0 R08: 0000000000000000 R09: 0000000000000000 [ 67.461873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.469840] R13: ffffa0d78305ff10 R14: ffffa0d78305ff10 R15: ffff93300358e000 [ 67.477811] FS: 00007f2b817e0580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 [ 67.486850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.493267] CR2: 00007f2b815f9000 CR3: 00000001034b4001 CR4: 00000000003706e0 [ 67.501238] Call Trace: [ 67.503968] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 67.510098] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 67.516442] direct_entry.cold+0x2c/0x38 [ 67.520823] full_proxy_write+0x56/0x80 [ 67.525105] vfs_write+0xea/0x390 [ 67.528804] ksys_write+0x68/0xe0 [ 67.532502] do_syscall_64+0x33/0x40 [ 67.536493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.542133] RIP: 0033:0x7f2b81708f33 [ 67.546123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.567102] RSP: 002b:00007ffeca4798f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.575568] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2b81708f33 [ 67.583555] RDX: 0000000000000020 RSI: 00007f2b815f9000 RDI: 0000000000000001 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.338749][ 67.591534] RBP: 00007f2b815f9000 R08: 00007f2b815f8010 R09: 0000000000000000 [ 67.605712] R10: 00007f2b818031c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.613673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSP: 002b:00007ffd8fcbbfb8 EFLAGS: 00000246 ORIG_RAX: 000000000[ 67.621647] irq event stamp: 0 [ 67.631268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000001 # [ 56.347203] RAX: ffffffffffffffda RBX: 00000000000[ 67.638272] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.653624] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.662761] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.669760] ---[ end trace 5750de976dd8ea27 ]--- [ 67.674915] lkdtm: Saturation detected: still saturated 00011 RCX: 00007f3cd4df0f33 # [ 56.355171] RDX: 0000000000000011 RSI: 00007f3cd4ce1000 RDI: 0000000000000001 # [ 56.363139] RBP: 00007f3cd4ce1000 R08: 00007f3cd4ce0010 R09: 0000000000000000 # [ 56.371106] R10: 00007f3cd4eeb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.379074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 56.471767] lkdtm: Performing direct entry ACCESS_NULL # [ 56.479817] lkdtm: attempting bad read at 0000000000000000 # [ 56.492174] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.506152] #PF: supervisor read access in kernel mode # [ 56.511889] #PF: error_code(0x0000) - not-present page # [ 56.517625] PGD 0 P4D 0 # [ 56.520453] Oops: 0000 [#13] SMP PTI # [ 56.524442] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 56.539301] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.546111] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 56.551362] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 12 0c b6 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 0c b6 48 01 # [ 56.578566] RSP: 0018:ffffa0d7826b7e58 EFLAGS: 00010246 # [ 56.584398] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 56.592367] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 56.600335] RBP: ffffffffb60c0399 R08: 0000000000000000 R09: 0000000000000000 # [ 56.608303] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.616270] R13: ffffa0d7826b7f10 R14: ffffa0d7826b7f10 R15: ffff933004209000 # [ 56.624239] FS: 00007fefad323580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 56.633275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.639688] CR2: 0000000000000000 CR3: 00000001035ec004 CR4: 00000000003706e0 # [ 56.647656] Call Trace: # [ 56.650383] direct_entry.cold+0x2c/0x38 # [ 56.654762] full_proxy_write+0x56/0x80 # [ 56.665252] vfs_write+0xea/0x390 # [ 56.668949] ksys_write+0x68/0xe0 # [ 56.672638] do_syscall_64+0x33/0x40 # [ 56.676625] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.682264] RIP: 0033:0x7fefad24bf33 # [ 56.686241] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.707220] RSP: 002b:00007ffd5956e798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.715673] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fefad24bf33 # [ 56.723641] RDX: 000000000000000c RSI: 00007fefad13c000 RDI: 0000000000000001 # [ 56.731619] RBP: 00007fefad13c000 R08: 00007fefad13b010 R09: 0000000000000000 # [ 56.739586] R10: 00007fefad3461c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.747566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.755535] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.788168] CR2: 0000000000000000 # [ 56.791864] ---[ end trace 5750de976dd8ea15 ]--- # [ 56.797010] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.801386] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 56.822357] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 56.828188] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.836156] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 56.844122] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.852090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.860058] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 56.868026] FS: 00007fefad323580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 56.877055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.883469] CR2: 0000000000000000 CR3: 00000001035ec004 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 56.986277] lkdtm: Performing direct entry WRITE_RO # [ 56.996363] lkdtm: attempting bad rodata write at ffffffffb5cd9ef0 # [ 57.009484] BUG: unable to handle page fault for address: ffffffffb5cd9ef0 # [ 57.023367] #PF: supervisor write access in kernel mode # [ 57.029212] #PF: error_code(0x0003) - permissions violation # [ 57.035434] PGD 13[ 68.175648] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 68.186473] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 68.193978] ------------[ cut here ]------------ [ 68.199156] refcount_t: underflow; use-after-free. [ 68.204535] WARNING: CPU: 3 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 68.213881] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.240329] CPU: 3 PID: 2556 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.249006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.255814] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 68.261572] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 3829067 P4D 133829067 PUD 13382a063 PMD 80000001332000e1 # [ [ 68.282554] RSP: 0018:ffffa0d7830efe40 EFLAGS: 00010286 [ 68.294611] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 68.302618] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 68.310588] RBP: ffffffffb60c00e0 R08: 0000000000000000 R09: 0000000000000000 [ 68.318582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.326568] R13: ffffa0d7830eff10 R14: ffffa0d7830eff10 R15: ffff9330034b4000 [ 68.334558] FS: 00007f7723a53580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 57.043214] Oops: 0003 [#14] SMP PTI # [ 57.053416] CPU: 1 PI[ 68.343606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.356232] CR2: 00007f772386c000 CR3: 00000001057b0002 CR4: 00000000003706e0 [ 68.364204] Call Trace: [ 68.366936] __refcount_sub_and_test.constprop.0+0x34/0x40 D: 1950 Comm: cat Tainted: G D W 5.10.128-cip10 #1[ 68.373088] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 68.385619] direct_entry.cold+0x2c/0x38 [ 68.390024] full_proxy_write+0x56/0x80 [ 68.394309] vfs_write+0xea/0x390 [ 68.398008] ksys_write+0x68/0xe0 [ 68.401709] do_syscall_64+0x33/0x40 [ 68.405725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.411366] RIP: 0033:0x7f772397bf33 [ 68.415355] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.436341] RSP: 002b:00007ffc9d1a06a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.444800] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f772397bf33 # [ 57.062064] Hardware name: Google Rammus/Rammus, BIOS 09/[ 68.452774] RDX: 0000000000000020 RSI: 00007f772386c000 RDI: 0000000000000001 04/2020 # [ 57.068868] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 68.466962] RBP: 00007f772386c000 R08: 00007f772386b010 R09: 0000000000000000 [ 68.481148] R10: 00007f7723a761c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.489122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.497099] irq event stamp: 0 [ 68.500555] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.073829] Code: 00 48 c7 c7 88 11 0c b6 48 c7 c6 f0 9e cd b[ 68.507565] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.522936] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 5 e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8[ 68.532075] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.545283] ---[ end trace 5750de976dd8ea28 ]--- [ 68.550438] lkdtm: Saturation detected: still saturated 11 0c b6 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 # [ 57.101022] RSP: 0018:ffffa0d782757e60 EFLAGS: 00010202 # [ 57.106856] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 57.114824] RDX: 00000000abcd1234 RSI: ffff93307ac9bf70 RDI: ffffffffb60c11b8 # [ 57.122792] RBP: ffffffffb60c03a5 R08: 0000000000000000 R09: 0000000000000000 # [ 57.130760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 57.138729] R13: ffffa0d782757f10 R14: ffffa0d782757f10 R15: ffff9330055d9000 # [ 57.146697] FS: 00007fa7455db580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 57.155731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.162145] CR2: ffffffffb5cd9ef0 CR3: 000000010324a001 CR4: 00000000003706e0 # [ 57.170112] Call Trace: # [ 57.172837] direct_entry.cold+0x2c/0x38 # [ 57.177206] full_proxy_write+0x56/0x80 # [ 57.181488] vf[ 68.648215] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 68.657218] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 68.664728] ------------[ cut here ]------------ [ 68.669903] refcount_t: underflow; use-after-free. [ 68.675279] WARNING: CPU: 3 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 68.684620] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.711066] CPU: 3 PID: 2591 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.719718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.726526] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 s_write+0xea/0x390 # [ 57.191398] ksys_write+0x68/0xe0 # [ [ 68.732269] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 [ 68.759467] RSP: 0018:ffffa0d783157e40 EFLAGS: 00010286 [ 68.765302] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 68.773272] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 [ 68.781244] RBP: ffffffffb60c0100 R08: 0000000000000000 R09: 0000000000000000 [ 68.789215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.797186] R13: ffffa0d783157f10 R14: ffffa0d783157f10 R15: ffff933004224000 [ 68.805156] FS: 00007f9d46834580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 [ 68.814185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.820611] CR2: 00007f9d4664d000 CR3: 000000010575c004 CR4: 00000000003706e0 [ 68.828585] Call Trace: [ 68.831337] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 68.837487] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 68.843812] direct_entry.cold+0x2c/0x38 [ 68.848217] full_proxy_write+0x56/0x80 [ 68.852500] vfs_write+0xea/0x390 [ 68.856199] ksys_write+0x68/0xe0 [ 68.859898] do_syscall_64+0x33/0x40 [ 68.863888] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.869529] RIP: 0033:0x7f9d4675cf33 [ 68.873558] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 57.195095] do_syscall_64+0x33/0x40 # [ 57.199082] entry_S[ 68.894548] RSP: 002b:00007ffce064c588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.909215] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9d4675cf33 [ 68.917188] RDX: 0000000000000020 RSI: 00007f9d4664d000 RDI: 0000000000000001 [ 68.925159] RBP: 00007f9d4664d000 R08: 00007f9d4664c010 R09: 0000000000000000 [ 68.933120] R10: 00007f9d468571c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.941082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.949056] irq event stamp: 0 [ 68.952464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.959468] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.968609] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.977747] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.984746] ---[ end trace 5750de976dd8ea29 ]--- [ 68.989900] lkdtm: Saturation detected: still saturated YSCALL_64_after_hwframe+0x44/0xa9 # [ 57.204720] RIP: 0033:0x7fa745503f33 # [ 57.208706] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.229686] RSP: 002b:00007fff0f9ee108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.238140] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa745503f33 # [ 57.246108] RDX: 0000000000000009 RSI: 00007fa7453f4000 RDI: 0000000000000001 # [ 57.254075] RBP: 00007fa7453f4000 R08: 00007fa7453f3010 R09: 0000000000000000 # [ 57.262041] R10: 00007fa7455fe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.270006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.277976] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.310620] CR2: ffffffffb5cd9ef0 # [ 57.314315] ---[ end trace 5750de976dd8ea16 ]--- # [ 57.319468] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.323843] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 57.344822] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 57.350653] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.358622] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 57.366588] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.374568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.382554] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 57.390532] FS: 00007fa7455db580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 57.405780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.412193] CR2: ffffffffb5cd9ef0 CR3: 000000010324a001 CR4: 00000000003706e0 # [ 57.420163] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.430074] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1950, name: cat # [ 57.438526] INFO: lockdep is turned off. # [ 57.442901] irq event stamp: 0 # [ 57.446306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.453306] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.462438] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.471572] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.478569] CPU: 1 PID: 1950 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 57.487215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.494018] Call Trace: # [ 57.496744] dump_stack+0x77/0x97 # [ 57.500442] ___might_sleep.cold+0xa6/0xb6 # [ 57.505012] exit_signals+0x1c/0x2d0 # [ 57.508999] do_exit+0xd5/0xb00 # [ 57.512501] ? ksys_write+0x68/0xe0 # [ 57.516385] rewind_stack_do_exit+0x17/0x20 # [ 57.521050] RIP: 0033:0x7fa745503f33 # [ 57.525037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.546016] RSP: 002b:00007fff0f9ee108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.554470] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa745503f33 # [ 57.562437] RDX: 0000000000000009 RSI: 00007fa7453f4000 RDI: 0000000000000001 # [ 57.570407] RBP: 00007fa7453f4000 R08: 00007fa7453f3010 R09: 0000000000000000 # [ 57.578373] R10: 00007fa7455fe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.586343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 57.677420] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 57.687854] lkdtm: attempting bad ro_after_init write at ffffffffb613c328 # [ 57.695455] BUG: unable to handle page fault for address: ffffffffb613c328 # [ 57.703140] #PF: supervisor write access in kernel mode # [ 57.708973] #PF: error_code(0x0003) - permissions violation # [ 57.715194] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 100052063 PTE 800000013373c061 # [ 57.724234] Oops: 0003 [#15] SMP PTI # [ 57.734435] CPU: 2 PID: 1985 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 57.743086] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.749894] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 57.755921] Code: 11 0c b6 e9 45 9f fd ff 48 c7 c7 10 12 0c b6 e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 0c b6 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 57.783117] RSP: 0018:ffffa0d7827bfe60 EFLAGS: 00010202 # [ 57.788951] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 57.796920] RDX: 00000000abcd1234 RSI: ffff93307ad1bf70 RDI: ffffffffb60c11b8 # [ 57.804891] RBP: ffffffffb60c03ae R08: 0000000000000000 R09: 0000000000000000 # [ 57.812857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 57.820824] R13: ffffa0d7827bff10 R14: ffffa0d7827bff10 R15: ffff933003553000 # [ 57.828793] FS: 00007fc2c4a4a580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 57.837828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.844242] CR2: ffffffffb613c328 CR3: 000000010542e003 CR4: 00000000003706e0 # [ 57.852210] Call Trace: # [ 57.854936] direct_entry.cold+0x2c/0x38 # [ 57.859316] full_proxy_write+0x56/0x80 # [ 57.863612] vfs_write+0xea/0x390 # [ 57.867308] ksys_write+0x68/0xe0 # [ 57.871005] do_syscall_64+0x33/0x40 # [ 57.874985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.880618] RIP: 0033:0x7fc2c4972f33 # [ 57.884609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.905610] RSP: 002b:00007ffca8819dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.914064] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc2c4972f33 # [ 57.922034] RDX: 0000000000000014 RSI: 00007fc2c4863000 RDI: 0000000000000001 # [ 57.930003] RBP: 00007fc2c4863000 R08: 00007fc2c4862010 R09: 0000000000000000 # [ 57.937971] R10: 00007fc2c4a6d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.945937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.953908] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.980359] CR2: ffffffffb613c328 # [ 57.990269] ---[ end trace 5750de976dd8ea17 ]--- # [ 57.995412] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.999780] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 58.020752] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 58.026588] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.034565] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 58.042532] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.050499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.058467] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 58.066434] FS: 00007fc2c4a4a580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 58.075470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.081885] CR2: ffffffffb613c328 CR3: 000000010542e003 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 58.158899] lkdtm: Performing direct entry WRITE_KERN # [ 58.170138] lkdtm: attempting bad 6581924 byte write at ffffffffb56f8d54 # [ 58.183863] BUG: unable to handle page fault for address: ffffffffb56f8d54 # [ 58.197718] #PF: supervisor write access in kernel mode # [ 58.203551] #PF: error_code(0x0003) - permissions violation # [ 58.209773] PGD 133829067 P4D 133829067 PUD 13382a063 PMD 132c000e1 # [ 58.216872] Oops: 0003 [#16] SMP PTI # [ 58.220860] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.229499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.236308] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 58.241458] Code: 53 48 c7 c3 54 8d 6f b5 49 89 dc 48 89 da 49 81 ec b0 1e 0b b5 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 0b b5 a4 48 c7 c7 b8 11 0c b6 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 58.262441] RSP: 0018:ffffa0d78285fe50 EFLAGS: 00010246 # [ 58.268274] RAX: 000000000000003c RBX: ffffffffb56f8d54 RCX: 0000000000646ea4 # [ 58.276243] RDX: 0000000000000000 RSI: ffffffffb50b1eb0 RDI: ffffffffb56f8d54 # [ 58.284212] RBP: ffffffffb60c03c2 R08: 0000000000000000 R09: 0000000000000000 # [ 58.292181] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646ea4 # [ 58.300149] R13: ffffa0d78285ff10 R14: ffffa0d78285ff10 R15: ffff93300361d000 # [ 58.308121] FS: 00007efda998a580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 58.317150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.323565] CR2: ffffffffb56f8d54 CR3: 0000000103182001 CR4: 00000000003706f0 # [ 58.331535] Call Trace: # [ 58.334265] direct_entry.cold+0x2c/0x38 # [ 58.338650] full_proxy_write+0x56/0x80 # [ 58.342936] vfs_write+0xea/0x390 # [ 58.346634] ksys_write+0x68/0xe0 # [ 58.350332] do_syscall_64+0x33/0x40 # [ 58.354312] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.359952] RIP: 0033:0x7efda98b2f33 # [ 58.363930] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 70.049874] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 70.056970] lkdtm: attempting good copy_to_user of correct size [ 70.063597] lkdtm: attempting bad copy_to_user of too large size ec 28 48 89 54 24 18 # [ 58.384913] RSP: 002b:00007ffd54c86ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.393369] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efda98b2f33 # [ 58.401337] RDX: 000000000000000b RSI: 00007efda97a3000 RDI: 0000000000000001 # [ 58.409306] RBP: 00007efda97a3000 R08: 00007efda97a2010 R09: 0000000000000000 # [ 58.417273] R10: 00007efda99ad1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.425241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.433214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.459652] CR2: fffff[ 70.150806] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM fffb56f8d54 # [ 58.463349] ---[ end trace 5750de976dd8ea18 ]-[ 70.158072] lkdtm: attempting good copy_from_user of correct size -- # [ 58.468502] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.4728[ 70.171123] lkdtm: attempting bad copy_from_user of too large size 77] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 58.493859] RSP: 0018:ffffa0d781487e60 EFLAGS: 00010282 # [ 58.499691] RAX: ffffffffb50b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.507659] RDX: 0000000000000000 RSI: ffff93307ac9bf70 RDI: ffffffffb5cd9a70 # [ 58.515628] RBP: ffffffffb611b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.523599] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.531569] R13: ffffa0d781487f10 R14: ffffa0d781487f10 R15: ffff933004ff8000 # [ 58.539538] FS: 00007efda998a580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 58.548567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.554982] CR2: ffffffffb56f8d54 CR3: 0000000103182001 CR4: 00000000003706f0 # [ 58.562953] BUG: slee[ 70.275298] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 70.284694] lkdtm: attempting good copy_to_user inside whitelist [ 70.291460] lkdtm: attempting bad copy_to_user outside whitelist ping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.572865] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2020, name: cat # [ 58.581319] INFO: lockdep is turned off. # [ 58.585694] irq event stamp: 0 # [ 58.589098] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.596099] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.605233] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.614368] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.621367] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.630006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.636810] Call Trace: # [ 58.639539] dump_stack+0x77/0x97 # [ 58.643237] ___might_sleep.cold+0xa6/0xb6 # [ 58.647808] exit_signals+0x1c/0x2d0 # [ 58.651789] do_exit+0xd5/0xb00 # [ 58.655284] ? ksys_write+0x68/0xe0 # [ 58.659174] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 58.664611] rewind_stack_do_exit+0x17/0x20 # [ 58.669271] RIP: 0033:0x7efda98b2f33 # [ [ 70.404975] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 58.673249] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff f[ 70.417467] lkdtm: attempting good copy_from_user inside whitelist f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 70.430585] lkdtm: attempting bad copy_from_user outside whitelist 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.694233] RSP: 002b:00007ffd54c86ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.702680] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efda98b2f33 # [ 58.710648] RDX: 000000000000000b RSI: 00007efda97a3000 RDI: 0000000000000001 # [ 58.718616] RBP: 00007efda97a3000 R08: 00007efda97a2010 R09: 0000000000000000 # [ 58.726585] R10: 00007efda99ad1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.734553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 58.850991] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 58.861238] lkdtm: attempting good refcount_inc() without overflow # [ 58.874360] lkdtm: attempting bad refcount_inc() overflow # [ 58.886615] ------------[ cut here ]------------ # [ 58.891771] refcount_t: saturated; leaking memory. # [ 58.903363] WARNING: CPU: 1 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 58.918875] M[ 70.553125] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 70.562512] lkdtm: good_stack: ffffa0d7834cfe20-ffffa0d7834cfe40 [ 70.569238] lkdtm: bad_stack : ffffa0d7834cfda8-ffffa0d7834cfdc8 [ 70.575975] lkdtm: attempting good copy_to_user of local stack [ 70.582505] lkdtm: attempting bad copy_to_user of distant stack odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.951512] CPU: 1 PID: 2055 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 58.960164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.973181] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 58.985134] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a # [ 59.012331] RSP: 0018:ffffa0d782907e48 EFLAGS: 00010286 # [ 59.018168] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 59.032348] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 59.040324] RBP: ffffffffb6[ 70.680725] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 0c03cd R08: 0000000000000000 R09: 0000000000000000 # [ 59.054[ 70.689513] lkdtm: good_stack: ffffa0d78357fe20-ffffa0d78357fe40 513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 70.702452] lkdtm: bad_stack : ffffa0d78357fda8-ffffa0d78357fdc8 000016 # [ 59.068699] R13: ffffa0d782907f10 R14: ffffa0d78290[ 70.715370] lkdtm: attempting good copy_from_user of local stack 7f10 R15: ffff933003315000 # [ 59.076672] FS: 00007f5aca4eb5[ 70.728289] lkdtm: attempting bad copy_from_user of distant stack 80(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 59.091924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.104573] CR2: 00007f5aca304000 CR3: 00000001033fc001 CR4: 00000000003706e0 # [ 59.118755] Call Trace: # [ 59.127704] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 59.139275] direct_entry.cold+0x2c/0x38 # [ 59.149867] full_proxy_write+0x56/0x80 # [ 59.160359] vfs_write+0xea/0x390 # [ 59.170272] ksys_write+0x68/0xe0 # [ 59.180186] do_syscall_64+0x33/0x40 # [ 59.190391] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.202247] RIP: 0033:0x7f5aca413f33 # [ 59.212451] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.239648] RSP: 002b:00007ffe8c6b79f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.254318] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5aca413f33 # [ 59.268503][ 70.837762] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 70.847476] lkdtm: good_stack: ffffa0d783637e20-ffffa0d783637e40 [ 70.854196] lkdtm: bad_stack : ffffa0d783637ff8-ffffa0d783638018 RDX: 0000000000000016 RSI: 00007f5aca304000 RDI: 00000000000000[ 70.860916] lkdtm: attempting good copy_to_user of local stack [ 70.873663] lkdtm: attempting bad copy_to_user of distant stack 01 # [ 59.282690] RBP: 00007f5aca304000 R08: 00007f5aca303010[ 70.880288] lkdtm: copy_to_user failed, but lacked Oops R09: 0000000000000000 # [ 59.296876] R10: 00007f5aca50e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.311062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.325252] irq event stamp: 0 # [ 59.334871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.348089] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.363442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.378793] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.392006] ---[ end trace 5750de976dd8ea19 ]--- # [ 59.403377] 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 # [ 59.481922] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [[ 70.973467] lkdtm: Performing direct entry USERCOPY_KERNEL 59.489758] lkdtm: attempting good refcount_add() without over[ 70.985510] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb5cd9f10 flow # [ 59.502887] lkdtm: attempting bad refcount_add() over[ 71.000400] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb4ad1460 flow # [ 59.515120] ------------[ cut here ]------------ # [[ 71.014951] lkdtm: FAIL: survived bad copy_to_user() 59.526490] refcount_t: saturated; leaking memory. # [ 59.531870] WARNING: CPU: 1 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 59.547383] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.580045] CPU: 1 PID: 2087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 59.588721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.601741] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 59.613693] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a # [ 59.640886] RSP: 0018:f[ 71.112852] lkdtm: Performing direct entry STACKLEAK_ERASING fffa0d782967e48 EFLAGS: 00010286 # [ 59.652940] RAX: 00000000[ 71.120139] lkdtm: checking unused part of the thread stack (15928 bytes)... 00000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 59.6[ 71.134262] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 67127] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff9330[ 71.148233] lkdtm: FAIL: the thread stack is NOT properly erased 7ac9bf70 # [ 59.681314] RBP: ffffffffb60c03e3 R08: 0000000000[ 71.161166] CPU: 0 PID: 2956 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 71.176014] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.182817] Call Trace: [ 71.185548] dump_stack+0x77/0x97 [ 71.189252] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 71.194413] direct_entry.cold+0x2c/0x38 [ 71.198782] full_proxy_write+0x56/0x80 [ 71.203068] vfs_write+0xea/0x390 [ 71.206765] ksys_write+0x68/0xe0 [ 71.210462] do_syscall_64+0x33/0x40 [ 71.214444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.220084] RIP: 0033:0x7ff83c517f33 [ 71.224062] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.245043] RSP: 002b:00007ffc063c04b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.253498] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff83c517f33 [ 71.261467] RDX: 0000000000000012 RSI: 00007ff83c408000 RDI: 0000000000000001 [ 71.269435] RBP: 00007ff83c408000 R08: 00007ff83c407010 R09: 0000000000000000 [ 71.277403] R10: 00007ff83c6121c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.285370] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000 R09: 0000000000000000 # [ 59.695498] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.703471] R13: ffffa0d782967f10 R14: ffffa0d782967f10 R15: ffff933003737000 # [ 59.717651] FS: 00007fdcd6a8f580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 59.726693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.739320] CR2: 00007fdcd68a8000 CR3: 00000001034ac002 CR4: 00000000003706e0 # [ 59.747295] Call Trace: # [ 59.756237] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 59.756241] direct_entry.cold+0x2c/0x38 # [ 59.756246] full_proxy_write+0x56/0x80 # [ 59.782673] vfs_write+0xea/0x390 # [ 59.792586] ksys_write+0x68/0xe0 # [ 59.802501] do_syscall_64+0x33/0x40 # [ 59.812706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.824562] RIP: 0033:0x7fdcd69b7f33 # [ 59.834764] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.861960] RSP: 002b:00007ffcc61dde38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.876633] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdcd69b7f33 # [ 59.890822] RDX: 0000000000000016[ 71.412428] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 71.423997] lkdtm: Calling matched prototype ... [ 71.429179] lkdtm: Calling mismatched prototype ... [ 71.434653] lkdtm: Fail: survived mismatched prototype function call! RSI: 00007fdcd68a8000 RDI: 0000000000000001 # [ 59.905006] RBP: 00007fdcd68a8000 R08: 00007fdcd68a7010 R09: 0000000000000000 # [ 59.919192] R10: 00007fdcd6ab21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.933384] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.947573] irq event stamp: 0 # [ 59.957196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.970412] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.985770] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.001117] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.014329] ---[ end trace 5750de976dd8ea1a ]--- # [ 60.019487] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 60.114315] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 60.125366] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.138489] ------------[ cut here ]------------ # [ 60.149856] refcount_t: saturated; leaking memory. # [ 60.161435] WARNING: CPU: 1 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 60.176971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.209630] CPU: 1 PID: 2119 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 60.218304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.231325] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 60.243277] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb # [ 60.270469] RSP: 0018:ffffa0d782a1fe38 EFLAGS: 00010282 # [ 60.276307] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 60.290511] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 60.304676] RBP: ffffffffb60c0020 R08: 0000000000000000 R09: 0000000000000000 # [ 60.318859] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.326830] R13: ffffa0d782a1ff10 R14: ffffa0d782a1ff10 R15: ffff933004f0c000 # [ 60.334800] FS: 00007fecaeb03580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 60.343838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.350256] CR2: 00007fecae91c000 CR3: 000000010367a004 CR4: 00000000003706e0 # [ 60.358227] Call Trace: # [ 60.360957] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 60.373298] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 60.385735] direct_entry.cold+0x2c/0x38 # [ 60.390116] full_proxy_write+0x56/0x80 # [ 60.400618] vfs_write+0xea/0x390 # [ 60.404312] ksys_write+0x68/0xe0 # [ 60.414219] do_syscall_64+0x33/0x40 # [ 60.418235] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.430083] RIP: 0033:0x7fecaea2bf33 # [ 60.434076] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.461265] RSP: 002b:00007ffff27ebe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.469725] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fecaea2bf33 # [ 60.483905] RDX: 000000000000001f RSI: 00007fecae91c000 RDI: 0000000000000001 # [ 60.491879] RBP: 00007fecae91c000 R08: 00007fecae91b010 R09: 0000000000000000 # [ 60.506067] R10: 00007fecaeb261c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.520253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.528229] irq event stamp: 0 # [ 60.537841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.544846] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.560192] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.569329] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.582555] ---[ end trace 5750de976dd8ea1b ]--- # [ 60.587717] 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 # [ 60.674561] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 60.687393] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 60.694336] ------------[ cut here ]------------ # [ 60.699514] refcount_t: saturated; leaking memory. # [ 60.704901] WARNING: CPU: 3 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 60.714249] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.740698] CPU: 3 PID: 2151 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 60.749349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.756156] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 60.761896] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb # [ 60.782879] RSP: 0018:ffffa0d782a9fe38 EFLAGS: 00010282 # [ 60.788716] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 60.802906] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 60.817092] RBP: ffffffffb60c0040 R08: 0000000000000000 R09: 0000000000000000 # [ 60.825063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.833032] R13: ffffa0d782a9ff10 R14: ffffa0d782a9ff10 R15: ffff93300361b000 # [ 60.840992] FS: 00007fb1b6940580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 60.850031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.856448] CR2: 00007fb1b6759000 CR3: 000000010542e005 CR4: 00000000003706e0 # [ 60.864418] Call Trace: # [ 60.867150] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 60.873309] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 60.879534] direct_entry.cold+0x2c/0x38 # [ 60.883914] full_proxy_write+0x56/0x80 # [ 60.888220] vfs_write+0xea/0x390 # [ 60.891918] ksys_write+0x68/0xe0 # [ 60.895617] do_syscall_64+0x33/0x40 # [ 60.899612] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.905253] RIP: 0033:0x7fb1b6868f33 # [ 60.909242] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.930225] RSP: 002b:00007ffcc3a7c688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.938681] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb1b6868f33 # [ 60.946650] RDX: 000000000000001f RSI: 00007fb1b6759000 RDI: 0000000000000001 # [ 60.954610] RBP: 00007fb1b6759000 R08: 00007fb1b6758010 R09: 0000000000000000 # [ 60.962572] R10: 00007fb1b69631c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.970568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.978540] irq event stamp: 0 # [ 60.988155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.995156] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.004294] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.013428] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.020428] ---[ end trace 5750de976dd8ea1c ]--- # [ 61.025582] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 61.126910] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.136623] lkdtm: attempting good refcount_dec() # [ 61.148097] lkdtm: attempting bad refcount_dec() to zero # [ 61.160242] ------------[ cut here ]------------ # [ 61.171609] refcount_t: decrement hit 0; leaking memory. # [ 61.177571] WARNING: CPU: 1 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 61.193108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.225748] CPU: 1 PID: 2183 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 61.240614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.253632] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 61.265586] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 61.286573] RSP: 0018:ffffa0d782af7e48 EFLAGS: 00010286 # [ 61.298616] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 61.306601] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 61.314609] RBP: ffffffffb60c03f9 R08: 0000000000000000 R09: 0000000000000000 # [ 61.328791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 61.336762] R13: ffffa0d782af7f10 R14: ffffa0d782af7f10 R15: ffff93300378e000 # [ 61.344733] FS: 00007f60fa1e4580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 61.353774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.366400] CR2: 00007f60f9ffd000 CR3: 000000010554a005 CR4: 00000000003706e0 # [ 61.374371] Call Trace: # [ 61.377102] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 61.388305] direct_entry.cold+0x2c/0x38 # [ 61.398897] full_proxy_write+0x56/0x80 # [ 61.409393] vfs_write+0xea/0x390 # [ 61.419306] ksys_write+0x68/0xe0 # [ 61.423009] do_syscall_64+0x33/0x40 # [ 61.433207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.438850] RIP: 0033:0x7f60fa10cf33 # [ 61.449053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.476249] RSP: 002b:00007ffe3c04fad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.490919] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f60fa10cf33 # [ 61.498890] RDX: 0000000000000012 RSI: 00007f60f9ffd000 RDI: 0000000000000001 # [ 61.513069] RBP: 00007f60f9ffd000 R08: 00007f60f9ffc010 R09: 0000000000000000 # [ 61.521040] R10: 00007f60fa2071c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.529010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.536983] irq event stamp: 0 # [ 61.546627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.553631] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.568974] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.578112] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.591321] ---[ end trace 5750de976dd8ea1d ]--- # [ 61.596476] 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 # [ 61.671349] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 61.682487] lkdtm: attempting bad refcount_dec() below zero # [ 61.688733] ------------[ cut here ]------------ # [ 61.700092] refcount_t: decrement hit 0; leaking memory. # [ 61.706084] WARNING: CPU: 3 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 61.715422] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.748051] CPU: 3 PID: 2218 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 61.756707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.769731] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 61.781684] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 61.802669] RSP: 0018:ffffa0d782ba7e48 EFLAGS: 00010286 # [ 61.808506] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 61.816477] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 61.824448] RBP: ffffffffb60c040b R08: 0000000000000000 R09: 0000000000000000 # [ 61.832418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.840390] R13: ffffa0d782ba7f10 R14: ffffa0d782ba7f10 R15: ffff93300336a000 # [ 61.848361] FS: 00007f3deff6b580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 61.857390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.863805] CR2: 00007f3defd84000 CR3: 00000001057de004 CR4: 00000000003706e0 # [ 61.871766] Call Trace: # [ 61.874497] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 61.879850] direct_entry.cold+0x2c/0x38 # [ 61.884256] full_proxy_write+0x56/0x80 # [ 61.888558] vfs_write+0xea/0x390 # [ 61.892263] ksys_write+0x68/0xe0 # [ 61.902171] do_syscall_64+0x33/0x40 # [ 61.906161] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.911804] RIP: 0033:0x7f3defe93f33 # [ 61.915818] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.936801] RSP: 002b:00007ffff2d84cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.945259] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f3defe93f33 # [ 61.953229] RDX: 0000000000000016 RSI: 00007f3defd84000 RDI: 0000000000000001 # [ 61.961199] RBP: 00007f3defd84000 R08: 00007f3defd83010 R09: 0000000000000000 # [ 61.969160] R10: 00007f3deff8e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.977130] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.985103] irq event stamp: 0 # [ 61.988510] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.995512] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.004649] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.013783] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.020782] ---[ end trace 5750de976dd8ea1e ]--- # [ 62.025937] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 62.123339] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 62.131810] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 62.138915] ------------[ cut here ]------------ # [ 62.144079] refcount_t: underflow; use-after-free. # [ 62.149459] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 62.158794] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.191424] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.200074] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.206881] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 62.212621] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 # [ 62.233611] RSP: 0018:ffffa0d782c37e40 EFLAGS: 00010286 # [ 62.239446] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 62.247416] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 62.255387] RBP: ffffffffb60c0060 R08: 0000000000000000 R09: 0000000000000000 # [ 62.263357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.271326] R13: ffffa0d782c37f10 R14: ffffa0d782c37f10 R15: ffff93300267d000 # [ 62.279298] FS: 00007f6705c5f580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 62.288337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.294753] CR2: 00007f6705a78000 CR3: 0000000103310006 CR4: 00000000003706e0 # [ 62.302724] Call Trace: # [ 62.305458] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 62.317799] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 62.330239] direct_entry.cold+0x2c/0x38 # [ 62.334644] full_proxy_write+0x56/0x80 # [ 62.345135] vfs_write+0xea/0x390 # [ 62.348859] ksys_write+0x68/0xe0 # [ 62.352573] do_syscall_64+0x33/0x40 # [ 62.362779] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.368450] RIP: 0033:0x7f6705b87f33 # [ 62.372473] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.393482] RSP: 002b:00007ffdcea37188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.401941] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6705b87f33 # [ 62.409913] RDX: 000000000000001f RSI: 00007f6705a78000 RDI: 0000000000000001 # [ 62.417883] RBP: 00007f6705a78000 R08: 00007f6705a77010 R09: 0000000000000000 # [ 62.425855] R10: 00007f6705c821c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.433825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.441798] irq event stamp: 0 # [ 62.445210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.452212] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.461373] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.470509] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.477509] ---[ end trace 5750de976dd8ea1f ]--- # [ 62.482663] 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 # [ 62.567013] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 62.576158] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 62.589500] ------------[ cut here ]------------ # [ 62.600848] refcount_t: underflow; use-after-free. # [ 62.612418] WARNING: CPU: 0 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 62.627991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.660637] CPU: 0 PID: 2288 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 62.675526] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.688541] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 62.700488] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 # [ 62.727659] RSP: 0018:ffffa0d782c9fe40 EFLAGS: 00010286 # [ 62.739707] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 62.753893] RDX: ffff93307ac2c660 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 # [ 62.768086] RBP: ffffffffb60c0080 R08: 0000000000000000 R09: 0000000000000000 # [ 62.782271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.796483] R13: ffffa0d782c9ff10 R14: ffffa0d782c9ff10 R15: ffff93300560e000 # [ 62.810650] FS: 00007f5ee2fd1580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 62.825908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.838559] CR2: 00007f5ee2dea000 CR3: 0000000103704002 CR4: 00000000003706f0 # [ 62.852737] Call Trace: # [ 62.861684] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 62.874044] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 62.886465] direct_entry.cold+0x2c/0x38 # [ 62.897066] full_proxy_write+0x56/0x80 # [ 62.907602] vfs_write+0xea/0x390 # [ 62.917501] ksys_write+0x68/0xe0 # [ 62.927414] do_syscall_64+0x33/0x40 # [ 62.937665] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.949496] RIP: 0033:0x7f5ee2ef9f33 # [ 62.959708] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.986903] RSP: 002b:00007ffd3b533f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.001632] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5ee2ef9f33 # [ 63.015777] RDX: 000000000000001f RSI: 00007f5ee2dea000 RDI: 0000000000000001 # [ 63.029990] RBP: 00007f5ee2dea000 R08: 00007f5ee2de9010 R09: 0000000000000000 # [ 63.044170] R10: 00007f5ee2ff41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.058350] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.072549] irq event stamp: 0 # [ 63.082158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.095380] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.110726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.126091] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.139296] ---[ end trace 5750de976dd8ea20 ]--- # [ 63.150689] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 63.615702] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 63.626743] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 63.633852] lkdtm: Good: zero detected # [ 63.638038] lkdtm: Correctly stayed at zero # [ 63.642709] lkdtm: attempting bad refcount_inc() from zero # [ 63.648836] ------------[ cut here ]------------ # [ 63.660203] refcount_t: addition on 0; use-after-free. # [ 63.665970] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 63.675307] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.707944] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 63.716608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.723448] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 63.729187] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d # [ 63.750171] RSP: 0018:ffffa0d782d17e48 EFLAGS: 00010286 # [ 63.756006] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 63.763975] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 # [ 63.771938] RBP: ffffffffb60c0421 R08: 0000000000000000 R09: 0000000000000000 # [ 63.779908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.787869] R13: ffffa0d782d17f10 R14: ffffa0d782d17f10 R15: ffff93300548c000 # [ 63.795838] FS: 00007f7096102580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 63.804878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.811293] CR2: 00007f7095f1b000 CR3: 0000000103496006 CR4: 00000000003706e0 # [ 63.819254] Call Trace: # [ 63.821986] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 63.833162] direct_entry.cold+0x2c/0x38 # [ 63.837561] full_proxy_write+0x56/0x80 # [ 63.841852] vfs_write+0xea/0x390 # [ 63.851761] ksys_write+0x68/0xe0 # [ 63.855460] do_syscall_64+0x33/0x40 # [ 63.859451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.865093] RIP: 0033:0x7f709602af33 # [ 63.869084] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.890067] RSP: 002b:00007ffd7b36d428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.898527] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f709602af33 # [ 63.912717] RDX: 0000000000000012 RSI: 00007f7095f1b000 RDI: 0000000000000001 # [ 63.926906] RBP: 00007f7095f1b000 R08: 00007f7095f1a010 R09: 0000000000000000 # [ 63.934910] R10: 00007f70961251c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.942883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.950861] irq event stamp: 0 # [ 63.954325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.961342] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.976682] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.985841] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.992843] ---[ end trace 5750de976dd8ea21 ]--- # [ 63.997998] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 64.072227] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 64.083628] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 64.096947] lkdtm: Good: zero detected # [ 64.107363] lkdtm: Correctly stayed at zero # [ 64.118213] lkdtm: attempting bad refcount_add() from zero # [ 64.130578] ------------[ cut here ]------------ # [ 64.141983] refcount_t: addition on 0; use-after-free. # [ 64.153971] WARNING: CPU: 0 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 64.169501] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.202166] CPU: 0 PID: 2352 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.217050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.230065] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 64.242050] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d # [ 64.269218] RSP: 0018:ffffa0d782d9fe48 EFLAGS: 00010286 # [ 64.281308] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 64.295468] RDX: ffff93307ac2c660 RSI: ffff93307ac1bf70 RDI: ffff93307ac1bf70 # [ 64.309660] RBP: ffffffffb60c0433 R08: 0000000000000000 R09: 0000000000000000 # [ 64.323839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.338040] R13: ffffa0d782d9ff10 R14: ffffa0d782d9ff10 R15: ffff933005cc9000 # [ 64.352204] FS: 00007f224b0ec580(0000) GS:ffff93307ac00000(0000) knlGS:0000000000000000 # [ 64.367482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.380095] CR2: 00007f224af05000 CR3: 0000000103244002 CR4: 00000000003706f0 # [ 64.394321] Call Trace: # [ 64.403256] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 64.414427] direct_entry.cold+0x2c/0x38 # [ 64.425009] full_proxy_write+0x56/0x80 # [ 64.435523] vfs_write+0xea/0x390 # [ 64.445426] ksys_write+0x68/0xe0 # [ 64.455366] do_syscall_64+0x33/0x40 # [ 64.465560] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.477430] RIP: 0033:0x7f224b014f33 # [ 64.487640] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.514849] RSP: 002b:00007ffed5507ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.529504] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f224b014f33 # [ 64.543710] RDX: 0000000000000012 RSI: 00007f224af05000 RDI: 0000000000000001 # [ 64.557885] RBP: 00007f224af05000 R08: 00007f224af04010 R09: 0000000000000000 # [ 64.572094] R10: 00007f224b10f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.586256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.600476] irq event stamp: 0 # [ 64.610074] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.623298] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.638640] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.654010] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.667210] ---[ end trace 5750de976dd8ea22 ]--- # [ 64.678616] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 64.762373] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 64.770853] lkdtm: attempting bad refcount_inc() from saturated # [ 64.777472] ------------[ cut here ]------------ # [ 64.782633] refcount_t: saturated; leaking memory. # [ 64.788010] WARNING: CPU: 2 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 64.797349] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.829978] CPU: 2 PID: 2387 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.838627] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.845433] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 64.851172] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a # [ 64.872153] RSP: 0018:ffffa0d782e57e48 EFLAGS: 00010286 # [ 64.877988] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 64.885958] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 # [ 64.893929] RBP: ffffffffb60c0445 R08: 0000000000000000 R09: 0000000000000000 # [ 64.901900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 64.909869] R13: ffffa0d782e57f10 R14: ffffa0d782e57f10 R15: ffff933003436000 # [ 64.917830] FS: 00007f5f477e1580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 64.926867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.933284] CR2: 00007f5f475fa000 CR3: 000000010547a003 CR4: 00000000003706e0 # [ 64.941253] Call Trace: # [ 64.943989] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 64.955648] direct_entry.cold+0x2c/0x38 # [ 64.966246] full_proxy_write+0x56/0x80 # [ 64.976740] vfs_write+0xea/0x390 # [ 64.986657] ksys_write+0x68/0xe0 # [ 64.990383] do_syscall_64+0x33/0x40 # [ 65.000580] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.006221] RIP: 0033:0x7f5f47709f33 # [ 65.010210] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.031198] RSP: 002b:00007ffc2368be28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.039677] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5f47709f33 # [ 65.053853] RDX: 0000000000000017 RSI: 00007f5f475fa000 RDI: 0000000000000001 # [ 65.061822] RBP: 00007f5f475fa000 R08: 00007f5f475f9010 R09: 0000000000000000 # [ 65.069782] R10: 00007f5f478041c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.077753] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.085725] irq event stamp: 0 # [ 65.089133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.096134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.105272] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.114406] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.121399] ---[ end trace 5750de976dd8ea23 ]--- # [ 65.126568] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 65.365424] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 65.372540] lkdtm: attempting bad refcount_dec() from saturated # [ 65.379165] ------------[ cut here ]------------ # [ 65.384330] refcount_t: decrement hit 0; leaking memory. # [ 65.390284] WARNING: CPU: 3 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 65.399622] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.426081] CPU: 3 PID: 2422 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.440941] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.447749] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 65.453488] Code: ff 48 c7 c7 f0 be 05 b6 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 05 b6 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 65.474473] RSP: 0018:ffffa0d782ee7e48 EFLAGS: 00010286 # [ 65.480309] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 65.488281] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 65.496255] RBP: ffffffffb60c045c R08: 0000000000000000 R09: 0000000000000000 # [ 65.504227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.512198] R13: ffffa0d782ee7f10 R14: ffffa0d782ee7f10 R15: ffff9330040df000 # [ 65.520170] FS: 00007fa8bc9ef580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 65.529211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.535628] CR2: 00007fa8bc808000 CR3: 00000001027a4002 CR4: 00000000003706e0 # [ 65.543613] Call Trace: # [ 65.546377] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 65.551859] direct_entry.cold+0x2c/0x38 # [ 65.556271] full_proxy_write+0x56/0x80 # [ 65.560576] vfs_write+0xea/0x390 # [ 65.564282] ksys_write+0x68/0xe0 # [ 65.574190] do_syscall_64+0x33/0x40 # [ 65.578211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.583857] RIP: 0033:0x7fa8bc917f33 # [ 65.587879] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.608861] RSP: 002b:00007fff5e11dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.617319] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa8bc917f33 # [ 65.625292] RDX: 0000000000000017 RSI: 00007fa8bc808000 RDI: 0000000000000001 # [ 65.633264] RBP: 00007fa8bc808000 R08: 00007fa8bc807010 R09: 0000000000000000 # [ 65.641237] R10: 00007fa8bca121c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.655424] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.663397] irq event stamp: 0 # [ 65.673018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.680023] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.689190] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.698326] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.705329] ---[ end trace 5750de976dd8ea24 ]--- # [ 65.710507] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 65.791902] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 65.803964] lkdtm: attempting bad refcount_dec() from saturated # [ 65.810604] ------------[ cut here ]------------ # [ 65.821978] refcount_t: saturated; leaking memory. # [ 65.827348] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.836702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.863161] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.878023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.884862] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.890619] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 05 b6 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 05 b6 c6 05 3a # [ 65.911623] RSP: 0018:ffffa0d782f37e48 EFLAGS: 00010286 # [ 65.917461] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 65.925434] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 65.933406] RBP: ffffffffb60c0473 R08: 0000000000000000 R09: 0000000000000000 # [ 65.947594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.961779] R13: ffffa0d782f37f10 R14: ffffa0d782f37f10 R15: ffff933004098000 # [ 65.969748] FS: 00007fe9d454b580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 65.978785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.985193] CR2: 00007fe9d4364000 CR3: 0000000103240004 CR4: 00000000003706e0 # [ 65.993167] Call Trace: # [ 65.995939] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 66.001398] direct_entry.cold+0x2c/0x38 # [ 66.011983] full_proxy_write+0x56/0x80 # [ 66.016265] vfs_write+0xea/0x390 # [ 66.019962] ksys_write+0x68/0xe0 # [ 66.023660] do_syscall_64+0x33/0x40 # [ 66.027649] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.033291] RIP: 0033:0x7fe9d4473f33 # [ 66.037280] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.058262] RSP: 002b:00007ffc849ae638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.066719] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe9d4473f33 # [ 66.074689] RDX: 0000000000000017 RSI: 00007fe9d4364000 RDI: 0000000000000001 # [ 66.082658] RBP: 00007fe9d4364000 R08: 00007fe9d4363010 R09: 0000000000000000 # [ 66.090628] R10: 00007fe9d456e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.098612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.106585] irq event stamp: 0 # [ 66.110035] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.117028] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.126164] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.135300] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.142298] ---[ end trace 5750de976dd8ea25 ]--- # [ 66.147445] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 66.744146] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 66.753885] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 66.767592] ------------[ cut here ]------------ # [ 66.778956] refcount_t: saturated; leaking memory. # [ 66.784336] WARNING: CPU: 1 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 66.799849] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.832487] CPU: 1 PID: 2489 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 66.847352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.854162] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 66.859926] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb # [ 66.887117] RSP: 0018:ffffa0d782fffe38 EFLAGS: 00010282 # [ 66.892954] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 66.907136] RDX: ffff93307acac660 RSI: ffff93307ac9bf70 RDI: ffff93307ac9bf70 # [ 66.915107] RBP: ffffffffb60c00a0 R08: 0000000000000000 R09: 0000000000000000 # [ 66.929286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 66.937257] R13: ffffa0d782ffff10 R14: ffffa0d782ffff10 R15: ffff933003241000 # [ 66.945228] FS: 00007fd81cd48580(0000) GS:ffff93307ac80000(0000) knlGS:0000000000000000 # [ 66.954269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.966896] CR2: 00007fd81cb61000 CR3: 000000010362c005 CR4: 00000000003706e0 # [ 66.974870] Call Trace: # [ 66.983809] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 66.996151] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.008686] direct_entry.cold+0x2c/0x38 # [ 67.013067] full_proxy_write+0x56/0x80 # [ 67.023562] vfs_write+0xea/0x390 # [ 67.033474] ksys_write+0x68/0xe0 # [ 67.043388] do_syscall_64+0x33/0x40 # [ 67.053637] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.065489] RIP: 0033:0x7fd81cc70f33 # [ 67.069479] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.096693] RSP: 002b:00007ffeabfcedd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.111347] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd81cc70f33 # [ 67.125528] RDX: 0000000000000020 RSI: 00007fd81cb61000 RDI: 0000000000000001 # [ 67.133526] RBP: 00007fd81cb61000 R08: 00007fd81cb60010 R09: 0000000000000000 # [ 67.147706] R10: 00007fd81cd6b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.155677] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.163650] irq event stamp: 0 # [ 67.173296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.180299] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.195643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.204779] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.217987] ---[ end trace 5750de976dd8ea26 ]--- # [ 67.223142] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 67.304347] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 67.317465] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 67.324976] ------------[ cut here ]------------ # [ 67.330147] refcount_t: saturated; leaking memory. # [ 67.341726] WARNING: CPU: 2 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.357259] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.383718] CPU: 2 PID: 2521 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.398579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.405394] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.411156] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 05 b6 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb # [ 67.432136] RSP: 0018:ffffa0d78305fe38 EFLAGS: 00010282 # [ 67.437972] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.445941] RDX: ffff93307ad2c660 RSI: ffff93307ad1bf70 RDI: ffff93307ad1bf70 # [ 67.453910] RBP: ffffffffb60c00c0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.461873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.469840] R13: ffffa0d78305ff10 R14: ffffa0d78305ff10 R15: ffff93300358e000 # [ 67.477811] FS: 00007f2b817e0580(0000) GS:ffff93307ad00000(0000) knlGS:0000000000000000 # [ 67.486850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.493267] CR2: 00007f2b815f9000 CR3: 00000001034b4001 CR4: 00000000003706e0 # [ 67.501238] Call Trace: # [ 67.503968] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.510098] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.516442] direct_entry.cold+0x2c/0x38 # [ 67.520823] full_proxy_write+0x56/0x80 # [ 67.525105] vfs_write+0xea/0x390 # [ 67.528804] ksys_write+0x68/0xe0 # [ 67.532502] do_syscall_64+0x33/0x40 # [ 67.536493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.542133] RIP: 0033:0x7f2b81708f33 # [ 67.546123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.567102] RSP: 002b:00007ffeca4798f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.575568] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2b81708f33 # [ 67.583555] RDX: 0000000000000020 RSI: 00007f2b815f9000 RDI: 0000000000000001 # [ 67.591534] RBP: 00007f2b815f9000 R08: 00007f2b815f8010 R09: 0000000000000000 # [ 67.605712] R10: 00007f2b818031c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.613673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.621647] irq event stamp: 0 # [ 67.631268] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.638272] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.653624] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.662761] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.669760] ---[ end trace 5750de976dd8ea27 ]--- # [ 67.674915] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 68.175648] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.186473] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.193978] ------------[ cut here ]------------ # [ 68.199156] refcount_t: underflow; use-after-free. # [ 68.204535] WARNING: CPU: 3 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.213881] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.240329] CPU: 3 PID: 2556 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.249006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.255814] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.261572] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 # [ 68.282554] RSP: 0018:ffffa0d7830efe40 EFLAGS: 00010286 # [ 68.294611] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.302618] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 68.310588] RBP: ffffffffb60c00e0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.318582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.326568] R13: ffffa0d7830eff10 R14: ffffa0d7830eff10 R15: ffff9330034b4000 # [ 68.334558] FS: 00007f7723a53580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 68.343606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.356232] CR2: 00007f772386c000 CR3: 00000001057b0002 CR4: 00000000003706e0 # [ 68.364204] Call Trace: # [ 68.366936] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 68.373088] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 68.385619] direct_entry.cold+0x2c/0x38 # [ 68.390024] full_proxy_write+0x56/0x80 # [ 68.394309] vfs_write+0xea/0x390 # [ 68.398008] ksys_write+0x68/0xe0 # [ 68.401709] do_syscall_64+0x33/0x40 # [ 68.405725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.411366] RIP: 0033:0x7f772397bf33 # [ 68.415355] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.436341] RSP: 002b:00007ffc9d1a06a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.444800] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f772397bf33 # [ 68.452774] RDX: 0000000000000020 RSI: 00007f772386c000 RDI: 0000000000000001 # [ 68.466962] RBP: 00007f772386c000 R08: 00007f772386b010 R09: 0000000000000000 # [ 68.481148] R10: 00007f7723a761c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.489122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.497099] irq event stamp: 0 # [ 68.500555] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.507565] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.522936] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.532075] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.545283] ---[ end trace 5750de976dd8ea28 ]--- # [ 68.550438] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 68.648215] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 68.657218] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 68.664728] ------------[ cut here ]------------ # [ 68.669903] refcount_t: underflow; use-after-free. # [ 68.675279] WARNING: CPU: 3 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.684620] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.711066] CPU: 3 PID: 2591 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.719718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.726526] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.732269] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 05 b6 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 05 # [ 68.759467] RSP: 0018:ffffa0d783157e40 EFLAGS: 00010286 # [ 68.765302] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 68.773272] RDX: ffff93307adac660 RSI: ffff93307ad9bf70 RDI: ffff93307ad9bf70 # [ 68.781244] RBP: ffffffffb60c0100 R08: 0000000000000000 R09: 0000000000000000 # [ 68.789215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.797186] R13: ffffa0d783157f10 R14: ffffa0d783157f10 R15: ffff933004224000 # [ 68.805156] FS: 00007f9d46834580(0000) GS:ffff93307ad80000(0000) knlGS:0000000000000000 # [ 68.814185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.820611] CR2: 00007f9d4664d000 CR3: 000000010575c004 CR4: 00000000003706e0 # [ 68.828585] Call Trace: # [ 68.831337] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 68.837487] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 68.843812] direct_entry.cold+0x2c/0x38 # [ 68.848217] full_proxy_write+0x56/0x80 # [ 68.852500] vfs_write+0xea/0x390 # [ 68.856199] ksys_write+0x68/0xe0 # [ 68.859898] do_syscall_64+0x33/0x40 # [ 68.863888] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.869529] RIP: 0033:0x7f9d4675cf33 # [ 68.873558] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.894548] RSP: 002b:00007ffce064c588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.909215] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9d4675cf33 # [ 68.917188] RDX: 0000000000000020 RSI: 00007f9d4664d000 RDI: 0000000000000001 # [ 68.925159] RBP: 00007f9d4664d000 R08: 00007f9d4664c010 R09: 0000000000000000 # [ 68.933120] R10: 00007f9d468571c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.941082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.949056] irq event stamp: 0 # [ 68.952464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.959468] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.968609] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.977747] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.984746] ---[ end trace 5750de976dd8ea29 ]--- # [ 68.989900] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 70.049874] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.056970] lkdtm: attempting good copy_to_user of correct size # [ 70.063597] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 70.150806] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.158072] lkdtm: attempting good copy_from_user of correct size # [ 70.171123] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 70.275298] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.284694] lkdtm: attempting good copy_to_user inside whitelist # [ 70.291460] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 70.404975] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.417467] lkdtm: attempting good copy_from_user inside whitelist # [ 70.430585] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 70.553125] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.562512] lkdtm: good_stack: ffffa0d7834cfe20-ffffa0d7834cfe40 # [ 70.569238] lkdtm: bad_stack : ffffa0d7834cfda8-ffffa0d7834cfdc8 # [ 70.575975] lkdtm: attempting good copy_to_user of local stack # [ 70.582505] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 70.680725] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.689513] lkdtm: good_stack: ffffa0d78357fe20-ffffa0d78357fe40 # [ 70.702452] lkdtm: bad_stack : ffffa0d78357fda8-ffffa0d78357fdc8 # [ 70.715370] lkdtm: attempting good copy_from_user of local stack # [ 70.728289] 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 # [ 70.837762] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 70.847476] lkdtm: good_stack: ffffa0d783637e20-ffffa0d783637e40 # [ 70.854196] lkdtm: bad_stack : ffffa0d783637ff8-ffffa0d783638018 # [ 70.860916] lkdtm: attempting good copy_to_user of local stack # [ 70.873663] lkdtm: attempting bad copy_to_user of distant stack # [ 70.880288] 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 # [ 70.973467] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 70.985510] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb5cd9f10 # [ 71.000400] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb4ad1460 # [ 71.014951] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 71.112852] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.120139] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.134262] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.148233] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.161166] CPU: 0 PID: 2956 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.176014] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.182817] Call Trace: # [ 71.185548] dump_stack+0x77/0x97 # [ 71.189252] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 71.194413] direct_entry.cold+0x2c/0x38 # [ 71.198782] full_proxy_write+0x56/0x80 # [ 71.203068] vfs_write+0xea/0x390 # [ 71.206765] ksys_write+0x68/0xe0 # [ 71.210462] do_syscall_64+0x33/0x40 # [ 71.214444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.220084] RIP: 0033:0x7ff83c517f33 # [ 71.224062] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.245043] RSP: 002b:00007ffc063c04b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.253498] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff83c517f33 # [ 71.261467] RDX: 0000000000000012 RSI: 00007ff83c408000 RDI: 0000000000000001 # [ 71.269435] RBP: 00007ff83c408000 R08: 00007ff83c407010 R09: 0000000000000000 # [ 71.277403] R10: 00007ff83c6121c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.285370] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 71.412428] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.423997] lkdtm: Calling matched prototype ... # [ 71.429179] lkdtm: Calling mismatched prototype ... # [ 71.434653] 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 / #